From 5525caa7664c4fba5726cb630b0e14794a3aefd7 Mon Sep 17 00:00:00 2001
From: schlagmichdoch <schlagmichdoch@users.noreply.github.com>
Date: Tue, 17 Jan 2023 10:41:50 +0100
Subject: [PATCH] implement file receive request with image-thumbnail-preview,
 share-menu on click additional to download and multiple file support by
 zipping file(s) to prepare for sending; add status "waiting.." and
 "preparing..." to UX; lock pointer-input when peer-node busy; tidy-up
 paste-mode deactivation

---
 public/index.html           |  34 ++--
 public/scripts/clipboard.js |  38 ----
 public/scripts/network.js   | 236 +++++++++++++++++++----
 public/scripts/ui.js        | 363 +++++++++++++++++++++++++-----------
 public/scripts/util.js      |  79 ++++++++
 public/scripts/zip.min.js   |   1 +
 public/service-worker.js    |   6 +-
 public/styles.css           |  28 ++-
 8 files changed, 581 insertions(+), 204 deletions(-)
 delete mode 100644 public/scripts/clipboard.js
 create mode 100644 public/scripts/util.js
 create mode 100644 public/scripts/zip.min.js

diff --git a/public/index.html b/public/index.html
index f44bc7b..1f90077 100644
--- a/public/index.html
+++ b/public/index.html
@@ -131,17 +131,28 @@
     <x-dialog id="receiveDialog">
         <x-background class="full center">
             <x-paper shadow="2">
-                <h3>File Received</h3>
-                <div class="font-subheading" id="fileName">Filename</div>
-                <div class="font-body2" id="fileSize"></div>
-                <div class='preview' style="visibility: hidden;"></div>
-                <div class="row">
-                    <label for="autoDownload" class="grow">Ask to save each file before downloading</label>
-                    <input type="checkbox" id="autoDownload" checked="">
+                <h2 class="center">Pairdrop</h2>
+                <div class="text-center file-description"></div>
+                <div class="font-body2 text-center file-size"></div>
+                <div class="center file-preview"></div>
+                <div class="row-reverse space-between">
+                    <a class="button" id="shareOrDownload" autofocus></a>
+                    <button class="button" close>Close</button>
                 </div>
-                <div class="row-reverse">
-                    <a class="button" close id="download" title="Download File" autofocus>Save</a>
-                    <button class="button" close>Ignore</button>
+            </x-paper>
+        </x-background>
+    </x-dialog>
+    <!-- Receive Dialog -->
+    <x-dialog id="receiveRequestDialog">
+        <x-background class="full center">
+            <x-paper shadow="2">
+                <h2 class="center">Pairdrop</h2>
+                <div class="text-center file-description"></div>
+                <div class="font-body2 text-center file-size"></div>
+                <div class="center file-preview"></div>
+                <div class="row-reverse space-between">
+                    <button class="button" id="acceptRequest" title="Accept Request" close autofocus>Accept</button>
+                    <button class="button" id="declineRequest" title="Decline Request" close>Decline</button>
                 </div>
             </x-paper>
         </x-background>
@@ -272,11 +283,12 @@
         </symbol>
     </svg>
     <!-- Scripts -->
+    <script src="scripts/zip.min.js" async></script>
+    <script src="scripts/util.js"></script>
     <script src="scripts/network.js"></script>
     <script src="scripts/qrcode.js" async></script>
     <script src="scripts/ui.js"></script>
     <script src="scripts/theme.js" async></script>
-    <script src="scripts/clipboard.js" async></script>
     <!-- Sounds -->
     <audio id="blop" autobuffer="true">
         <source src="/sounds/blop.mp3" type="audio/mpeg">
diff --git a/public/scripts/clipboard.js b/public/scripts/clipboard.js
deleted file mode 100644
index f6a69df..0000000
--- a/public/scripts/clipboard.js
+++ /dev/null
@@ -1,38 +0,0 @@
-// Polyfill for Navigator.clipboard.writeText
-if (!navigator.clipboard) {
-    navigator.clipboard = {
-        writeText: text => {
-
-            // A <span> contains the text to copy
-            const span = document.createElement('span');
-            span.textContent = text;
-            span.style.whiteSpace = 'pre'; // Preserve consecutive spaces and newlines
-
-            // Paint the span outside the viewport
-            span.style.position = 'absolute';
-            span.style.left = '-9999px';
-            span.style.top = '-9999px';
-
-            const win = window;
-            const selection = win.getSelection();
-            win.document.body.appendChild(span);
-
-            const range = win.document.createRange();
-            selection.removeAllRanges();
-            range.selectNode(span);
-            selection.addRange(range);
-
-            let success = false;
-            try {
-                success = win.document.execCommand('copy');
-            } catch (err) {
-                return Promise.error();
-            }
-
-            selection.removeAllRanges();
-            span.remove();
-
-            return Promise.resolve();
-        }
-    }
-}
\ No newline at end of file
diff --git a/public/scripts/network.js b/public/scripts/network.js
index 1d7df5a..7aefdcf 100644
--- a/public/scripts/network.js
+++ b/public/scripts/network.js
@@ -17,6 +17,8 @@ class ServerConnection {
         Events.on('pair-device-initiate', _ => this._onPairDeviceInitiate());
         Events.on('pair-device-join', e => this._onPairDeviceJoin(e.detail));
         Events.on('pair-device-cancel', _ => this.send({ type: 'pair-device-cancel' }));
+        Events.on('offline', _ => clearTimeout(this._reconnectTimer));
+        Events.on('online', _ => this._connect());
     }
 
     _connect() {
@@ -50,7 +52,7 @@ class ServerConnection {
 
     _onPairDeviceJoin(roomKey) {
         if (!this._isConnected()) {
-            setTimeout(_ => this._onPairDeviceJoin(roomKey), 200);
+            setTimeout(_ => this._onPairDeviceJoin(roomKey), 1000);
             return;
         }
         this.send({ type: 'pair-device-join', roomKey: roomKey })
@@ -143,9 +145,9 @@ class ServerConnection {
 
     _onDisconnect() {
         console.log('WS: server disconnected');
-        Events.fire('notify-user', 'Connection lost. Retry in 5 seconds...');
+        Events.fire('notify-user', 'Connection lost. Retrying...');
         clearTimeout(this._reconnectTimer);
-        this._reconnectTimer = setTimeout(_ => this._connect(), 5000);
+        this._reconnectTimer = setTimeout(_ => this._connect(), 1000);
         Events.fire('ws-disconnected');
     }
 
@@ -187,10 +189,114 @@ class Peer {
         this._send(JSON.stringify(message));
     }
 
-    sendFiles(files) {
-        for (let i = 0; i < files.length; i++) {
-            this._filesQueue.push(files[i]);
+    async createHeader(file) {
+        let hashHex = await this.getHashHex(file);
+        return {
+            name: file.name,
+            mime: file.type,
+            size: file.size,
+            hashHex: hashHex
+        };
+    }
+
+    async getHashHex(file) {
+        if (!crypto.subtle) {
+            console.error("PairDrop only works in secure contexts.")
         }
+        const hashBuffer = await crypto.subtle.digest('SHA-256', await file.arrayBuffer());
+        // Convert hex to hash, see https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest#converting_a_digest_to_a_hex_string
+        const hashArray = Array.from(new Uint8Array(hashBuffer));
+        const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join(''); // convert bytes to hex string
+        return(hashHex);
+    }
+
+    getResizedImageDataUrl(file, width = undefined, height = undefined, quality = 0.7) {
+        return new Promise((resolve) => {
+            let image = new Image();
+            image.src = URL.createObjectURL(file);
+            image.onload = _ => {
+                let imageWidth = image.width;
+                let imageHeight = image.height;
+                let canvas = document.createElement('canvas');
+
+                // resize the canvas and draw the image data into it
+                if (width && height) {
+                    canvas.width = width;
+                    canvas.height = height;
+                } else if (width) {
+                    canvas.width = width;
+                    canvas.height = Math.floor(imageHeight * width / imageWidth)
+                } else if (height) {
+                    canvas.width = Math.floor(imageWidth * height / imageHeight);
+                    canvas.height = height;
+                } else {
+                    canvas.width = imageWidth;
+                    canvas.height = imageHeight
+                }
+
+                var ctx = canvas.getContext("2d");
+                ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
+
+                let dataUrl = canvas.toDataURL("image/jpeg", quality);
+                resolve(dataUrl);
+            }
+        }).then(dataUrl => {
+            return dataUrl;
+        })
+    }
+
+    async requestFileTransfer(files) {
+        Events.fire('set-progress', {peerId: this._peerId, progress: 0, status: 'prepare'})
+
+        let header = [];
+        let allFilesAreImages = true;
+        let combinedSize = 0;
+        for (let i=0; i<files.length; i++) {
+            header.push(await this.createHeader(files[i]));
+            if (files[i].type.split('/')[0] !== 'image') {
+                allFilesAreImages = false;
+            }
+            combinedSize += files[i].size;
+        }
+        this._fileHeaderRequested = header;
+        let bytesCompleted = 0;
+
+        for (let i=0; i<files.length; i++) {
+            const entry = await zipper.addFile(files[i], {
+                onprogress: (progress, total) => {
+                    Events.fire('set-progress', {
+                        peerId: this._peerId,
+                        progress: (bytesCompleted + progress) / combinedSize,
+                        status: 'prepare'
+                    })
+                }
+            });
+            bytesCompleted += files[i].size;
+        }
+        this.zipFileRequested = await zipper.getZipFile();
+
+        if (allFilesAreImages) {
+            this.getResizedImageDataUrl(files[0], 400, null, 0.9).then(dataUrl => {
+                this.sendJSON({type: 'request',
+                    header: header,
+                    size: combinedSize,
+                    thumbnailDataUrl: dataUrl
+                });
+            })
+        } else {
+            this.sendJSON({type: 'request',
+                header: header,
+                size: combinedSize,
+            });
+        }
+        Events.fire('set-progress', {peerId: this._peerId, progress: 0, status: 'wait'})
+    }
+
+    async sendFiles() {
+        console.debug("sendFiles")
+        console.debug(this.zipFileRequested);
+        this._filesQueue.push({zipFile: this.zipFileRequested, fileHeader: this._fileHeaderRequested});
+        this._fileHeaderRequested = null
         if (this._busy) return;
         this._dequeueFile();
     }
@@ -202,14 +308,13 @@ class Peer {
         this._sendFile(file);
     }
 
-    _sendFile(file) {
+    async _sendFile(file) {
         this.sendJSON({
             type: 'header',
-            name: file.name,
-            mime: file.type,
-            size: file.size
+            size: file.zipFile.size,
+            fileHeader: file.fileHeader
         });
-        this._chunker = new FileChunker(file,
+        this._chunker = new FileChunker(file.zipFile,
             chunk => this._send(chunk),
             offset => this._onPartitionEnd(offset));
         this._chunker.nextPartition();
@@ -240,8 +345,11 @@ class Peer {
         message = JSON.parse(message);
         console.log('RTC:', message);
         switch (message.type) {
+            case 'request':
+                this._onFilesTransferRequest(message);
+                break;
             case 'header':
-                this._onFileHeader(message);
+                this._onFilesHeader(message);
                 break;
             case 'partition':
                 this._onReceivedPartitionEnd(message);
@@ -252,6 +360,9 @@ class Peer {
             case 'progress':
                 this._onDownloadProgress(message.progress);
                 break;
+            case 'files-transfer-response':
+                this._onFileTransferResponded(message);
+                break;
             case 'file-transfer-complete':
                 this._onFileTransferCompleted();
                 break;
@@ -264,17 +375,37 @@ class Peer {
         }
     }
 
-    _onFileHeader(header) {
-        this._lastProgress = 0;
-        this._digester = new FileDigester({
-            name: header.name,
-            mime: header.mime,
-            size: header.size
-        }, file => this._onFileReceived(file));
+    _onFilesTransferRequest(request) {
+        if (this._requestPending) {
+            // Only accept one request at a time
+            this.sendJSON({type: 'files-transfer-response', accepted: false});
+            return;
+        }
+        this._requestPending = true;
+        Events.fire('files-transfer-request', {
+            request: request,
+            peerId: this._peerId
+        });
+    }
+
+    _respondToFileTransferRequest(header, accepted) {
+        this._requestPending = false;
+        this._acceptedHeader = header;
+        this.sendJSON({type: 'files-transfer-response', accepted: accepted});
+        if (accepted) this._busy = true;
+    }
+
+
+    _onFilesHeader(msg) {
+        if (JSON.stringify(this._acceptedHeader) === JSON.stringify(msg.fileHeader)) {
+            this._lastProgress = 0;
+            this._digester = new FileDigester(msg.size, blob => this._onFileReceived(blob, msg.fileHeader));
+            this._acceptedHeader = null;
+        }
     }
 
     _onChunkReceived(chunk) {
-        if(!(chunk.byteLength || chunk.size)) return;
+        if(!this._digester || !(chunk.byteLength || chunk.size)) return;
 
         this._digester.unchunk(chunk);
         const progress = this._digester.progress;
@@ -287,24 +418,58 @@ class Peer {
     }
 
     _onDownloadProgress(progress) {
-        Events.fire('file-progress', { sender: this._peerId, progress: progress });
+        if (this._busy) {
+            Events.fire('set-progress', {peerId: this._peerId, progress: progress, status: 'transfer'});
+        }
     }
 
-    _onFileReceived(proxyFile) {
-        Events.fire('file-received', proxyFile);
-        this.sendJSON({ type: 'file-transfer-complete' });
+    async _onFileReceived(zipBlob, fileHeader) {
+        Events.fire('set-progress', {peerId: this._peerId, progress: 0, status: 'wait'});
+
+        this._busy = false;
+        this.sendJSON({type: 'file-transfer-complete'});
+        let zipEntries = await zipper.getEntries(zipBlob);
+        let files = [];
+        let hashHexs = [];
+        for (let i=0; i<zipEntries.length; i++) {
+            let fileBlob = await zipper.getData(zipEntries[i]);
+            let hashHex = await this.getHashHex(fileBlob)
+            if (hashHex !== fileHeader[i].hashHex) {
+                Events.fire('notify-user', 'Files are malformed.');
+                Events.fire('set-progress', {peerId: this._peerId, progress: 1, status: 'wait'});
+                throw new Error("Hash of received file differs from hash of requested file. Abort!");
+            }
+            files.push(new File([fileBlob], zipEntries[i].filename, {
+                type: fileHeader[i].mime,
+                lastModified: new Date().getTime()
+            }));
+        }
+        Events.fire('files-received', {sender: this._peerId, files: files});
     }
 
     _onFileTransferCompleted() {
         this._onDownloadProgress(1);
-        this._reader = null;
+        this._digester = null;
         this._busy = false;
         this._dequeueFile();
         Events.fire('notify-user', 'File transfer completed.');
+        Events.fire('deactivate-paste-mode');
+    }
+
+    _onFileTransferResponded(message) {
+        if (!message.accepted) {
+            Events.fire('set-progress', {peerId: this._peerId, progress: 1, status: 'wait'});
+
+            this.zipFile = null;
+            return;
+        }
+        Events.fire('file-transfer-accepted');
+        this.sendFiles();
     }
 
     _onMessageTransferCompleted() {
         Events.fire('notify-user', 'Message transfer completed.');
+        Events.fire('deactivate-paste-mode');
     }
 
     sendText(text) {
@@ -477,6 +642,7 @@ class PeersManager {
         Events.on('signal', e => this._onMessage(e.detail));
         Events.on('peers', e => this._onPeers(e.detail));
         Events.on('files-selected', e => this._onFilesSelected(e.detail));
+        Events.on('respond-to-files-transfer-request', e => this._onRespondToFileTransferRequest(e.detail))
         Events.on('send-text', e => this._onSendText(e.detail));
         Events.on('peer-joined', e => this._onPeerJoined(e.detail));
         Events.on('peer-left', e => this._onPeerLeft(e.detail));
@@ -522,8 +688,12 @@ class PeersManager {
         this.peers[peerId].send(message);
     }
 
+    _onRespondToFileTransferRequest(detail) {
+        this.peers[detail.to]._respondToFileTransferRequest(detail.header, detail.accepted);
+    }
+
     _onFilesSelected(message) {
-        this.peers[message.to].sendFiles(message.files);
+        this.peers[message.to].requestFileTransfer(message.files);
     }
 
     _onSendText(message) {
@@ -614,12 +784,10 @@ class FileChunker {
 
 class FileDigester {
 
-    constructor(meta, callback) {
+    constructor(size, callback) {
         this._buffer = [];
         this._bytesReceived = 0;
-        this._size = meta.size;
-        this._mime = meta.mime || 'application/octet-stream';
-        this._name = meta.name;
+        this._size = size;
         this._callback = callback;
     }
 
@@ -631,13 +799,7 @@ class FileDigester {
 
         if (this._bytesReceived < this._size) return;
         // we are done
-        let blob = new Blob(this._buffer, { type: this._mime });
-        this._callback({
-            name: this._name,
-            mime: this._mime,
-            size: this._size,
-            blob: blob
-        });
+        this._callback(new Blob(this._buffer));
     }
 
 }
diff --git a/public/scripts/ui.js b/public/scripts/ui.js
index 6a3470c..2783e8a 100644
--- a/public/scripts/ui.js
+++ b/public/scripts/ui.js
@@ -1,9 +1,9 @@
 const $ = query => document.getElementById(query);
 const $$ = query => document.body.querySelector(query);
 const isURL = text => /^((https?:\/\/|www)[^\s]+)/g.test(text.toLowerCase());
-window.isDownloadSupported = (typeof document.createElement('a').download !== 'undefined');
 window.isProductionEnvironment = !window.location.host.startsWith('localhost');
 window.iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
+window.android = /android/i.test(navigator.userAgent);
 window.pasteMode = {};
 window.pasteMode.activated = false;
 
@@ -23,11 +23,22 @@ class PeersUI {
         Events.on('peer-connected', e => this._onPeerConnected(e.detail));
         Events.on('peer-disconnected', e => this._onPeerDisconnected(e.detail));
         Events.on('peers', e => this._onPeers(e.detail));
-        Events.on('file-progress', e => this._onFileProgress(e.detail));
+        Events.on('set-progress', e => this._onSetProgress(e.detail));
         Events.on('paste', e => this._onPaste(e));
         Events.on('ws-disconnected', _ => this._clearPeers());
         Events.on('secret-room-deleted', _ => this._clearPeers('secret'));
         this.peers = {};
+
+        this.$cancelPasteModeBtn = document.getElementById('cancelPasteModeBtn');
+        this.$cancelPasteModeBtn.addEventListener('click', this._cancelPasteMode);
+
+        Events.on('keydown', e => this._onKeyDown(e));
+    }
+
+    _onKeyDown(e) {
+        if (window.pasteMode.activated && e.code === "Escape") {
+            Events.fire('deactivate-paste-mode');
+        }
     }
 
     _onPeerJoined(msg) {
@@ -85,18 +96,16 @@ class PeersUI {
     _onSecretRoomDeleted(roomSecret) {
         for (const peerId in this.peers) {
             const peer = this.peers[peerId];
-            console.debug(peer);
             if (peer.roomSecret === roomSecret) {
                 this._onPeerLeft(peerId);
             }
         }
     }
 
-    _onFileProgress(progress) {
-        const peerId = progress.sender || progress.recipient;
-        const $peer = $(peerId);
+    _onSetProgress(progress) {
+        const $peer = $(progress.peerId);
         if (!$peer) return;
-        $peer.ui.setProgress(progress.progress);
+        $peer.ui.setProgress(progress.progress, progress.status)
     }
 
     _clearPeers(roomType = 'all') {
@@ -161,13 +170,9 @@ class PeersUI {
 
             const _callback = (e) => this._sendClipboardData(e, files, text);
             Events.on('paste-pointerdown', _callback);
+            Events.on('deactivate-paste-mode', _ => this._deactivatePasteMode(_callback));
 
-            const _deactivateCallback = (e) => this._deactivatePasteMode(e, _callback)
-            const cancelPasteModeBtn = document.getElementById('cancelPasteModeBtn');
-            cancelPasteModeBtn.addEventListener('click', this._cancelPasteMode)
-            cancelPasteModeBtn.removeAttribute('hidden');
-
-            Events.on('notify-user', _deactivateCallback);
+            this.$cancelPasteModeBtn.removeAttribute('hidden');
 
             window.pasteMode.descriptor = descriptor;
             window.pasteMode.activated = true;
@@ -179,10 +184,11 @@ class PeersUI {
 
     _cancelPasteMode() {
         Events.fire('notify-user', 'Paste Mode canceled');
+        Events.fire('deactivate-paste-mode');
     }
 
-    _deactivatePasteMode(e, _callback) {
-        if (window.pasteMode.activated && ['File transfer completed.', 'Message transfer completed.', 'Paste Mode canceled'].includes(e.detail)) {
+    _deactivatePasteMode(_callback) {
+        if (window.pasteMode.activated) {
             window.pasteMode.descriptor = undefined;
             window.pasteMode.activated = false;
             console.log('Paste mode deactivated.')
@@ -328,24 +334,23 @@ class PeerUI {
             files: files,
             to: this._peer.id
         });
-        $input.value = null; // reset input
+        $input.files = null; // reset input
     }
 
-    setProgress(progress) {
-        if (progress > 0) {
-            this.$el.setAttribute('transfer', '1');
-        }
-        if (progress > 0.5) {
+    setProgress(progress, status) {
+        if (0.5 < progress && progress < 1) {
             this.$progress.classList.add('over50');
         } else {
             this.$progress.classList.remove('over50');
         }
+        if (progress < 1) {
+            this.$el.setAttribute('status', status);
+        } else {
+            this.$el.removeAttribute('status');
+            progress = 0;
+        }
         const degrees = `rotate(${360 * progress}deg)`;
         this.$progress.style.setProperty('--progress', degrees);
-        if (progress >= 1) {
-            this.setProgress(0);
-            this.$el.removeAttribute('transfer');
-        }
     }
 
     _onDrop(e) {
@@ -410,76 +415,12 @@ class Dialog {
 }
 
 class ReceiveDialog extends Dialog {
+    constructor(id, hideOnDisconnect = true) {
+        super(id, hideOnDisconnect);
 
-    constructor() {
-        super('receiveDialog', false);
-        Events.on('file-received', e => {
-            this._nextFile(e.detail);
-            window.blop.play();
-        });
-        this._filesQueue = [];
-        this.$previewBox = this.$el.querySelector('.preview')
-    }
-
-    _nextFile(nextFile) {
-        if (nextFile) this._filesQueue.push(nextFile);
-        if (this._busy) return;
-        this._busy = true;
-        const file = this._filesQueue.shift();
-        this._displayFile(file);
-    }
-
-    _dequeueFile() {
-        if (!this._filesQueue.length) { // nothing to do
-            this._busy = false;
-            return;
-        }
-        // dequeue next file
-        setTimeout(_ => {
-            this._busy = false;
-            this._nextFile();
-        }, 300);
-    }
-
-    _displayFile(file) {
-        const $a = this.$el.querySelector('#download');
-        const url = URL.createObjectURL(file.blob);
-        $a.href = url;
-        $a.download = file.name;
-
-        if(this._autoDownload()){
-            $a.click()
-            return
-        }
-
-        let mime = file.mime.split('/')[0]
-        let previewElement = {
-            image: 'img',
-            audio: 'audio',
-            video: 'video'
-        }
-
-        if(Object.keys(previewElement).indexOf(mime) !== -1){
-            console.log('the file is able to preview');
-            let element = document.createElement(previewElement[mime]);
-            element.src = url;
-            element.controls = true;
-            element.classList = 'element-preview'
-
-            this.$previewBox.style.visibility = 'inherit';
-            this.$previewBox.appendChild(element)
-        }
-
-        this.$el.querySelector('#fileName').textContent = file.name;
-        this.$el.querySelector('#fileSize').textContent = this._formatFileSize(file.size);
-        this.show();
-
-        if (window.isDownloadSupported) return;
-        // fallback for iOS
-        $a.target = '_blank';
-        const reader = new FileReader();
-        reader.onload = _ => $a.href = reader.result;
-        reader.readAsDataURL(file.blob);
+        this.$fileDescriptionNode = this.$el.querySelector('.file-description');
+        this.$fileSizeNode = this.$el.querySelector('.file-size');
+        this.$previewBox = this.$el.querySelector('.file-preview')
     }
 
     _formatFileSize(bytes) {
@@ -493,17 +434,221 @@ class ReceiveDialog extends Dialog {
             return bytes + ' Bytes';
         }
     }
+}
+class ReceiveFileDialog extends ReceiveDialog {
+
+    constructor() {
+        super('receiveDialog', false);
+
+        this.$shareOrDownloadBtn = this.$el.querySelector('#shareOrDownload');
+
+        Events.on('files-received', e => this._onFilesReceived(e.detail.sender, e.detail.files));
+        this._filesQueue = [];
+    }
+
+    _onFilesReceived(sender, files) {
+        this._nextFiles(sender, files);
+        window.blop.play();
+    }
+
+    _nextFiles(sender, nextFiles) {
+        if (nextFiles) this._filesQueue.push({peerId: sender, files: nextFiles});
+        if (this._busy) return;
+        this._busy = true;
+        const {peerId, files} = this._filesQueue.shift();
+        this._displayFiles(peerId, files);
+    }
+
+    _dequeueFile() {
+        if (!this._filesQueue.length) { // nothing to do
+            this._busy = false;
+            return;
+        }
+        // dequeue next file
+        setTimeout(_ => {
+            this._busy = false;
+            this._nextFiles();
+        }, 300);
+    }
+
+    createPreviewElement(file) {
+        return new Promise((resolve) => {
+            let mime = file.type.split('/')[0]
+            let previewElement = {
+                image: 'img',
+                audio: 'audio',
+                video: 'video'
+            }
+
+            if (Object.keys(previewElement).indexOf(mime) === -1) {
+                resolve(false);
+            } else {
+                console.log('the file is able to preview');
+                let element = document.createElement(previewElement[mime]);
+                element.src = URL.createObjectURL(file);
+                element.controls = true;
+                element.classList = 'element-preview'
+
+                this.$previewBox.style.display = 'block';
+                this.$previewBox.appendChild(element)
+                element.onload = _ => resolve(true);
+            }
+        });
+    }
+
+    async _displayFiles(peerId, files) {
+        if (this.continueCallback) this.$shareOrDownloadBtn.removeEventListener("click", this.continueCallback);
+
+        let url;
+        let description;
+        let size;
+        let filename;
+        let shareTitle
+
+        if (files.length === 1) {
+            shareTitle = "PairDrop File"
+            description = files[0].name;
+            size = this._formatFileSize(files[0].size);
+            filename = files[0].name;
+            url = URL.createObjectURL(files[0])
+        } else {
+            shareTitle = "PairDrop Files";
+            let completeSize = 0
+            for (let i=0; i<files.length; i++) {
+                completeSize += files[0].size;
+            }
+            description = `${files[0].name} and ${files.length-1} more ${files.length>2 ? "files" : "file"}`;
+            size = this._formatFileSize(completeSize);
+
+            for (let i=0; i<files.length; i++) {
+                await zipper.addFile(files[i]);
+            }
+            url = await zipper.getBlobURL();
+
+            let now = new Date(Date.now());
+            let year = now.getFullYear().toString();
+            let month = (now.getMonth()+1).toString();
+            month = month.length < 2 ? "0" + month : month;
+            let date = now.getDate().toString();
+            date = date.length < 2 ? "0" + date : date;
+            let hours = now.getHours().toString();
+            hours = hours.length < 2 ? "0" + hours : hours;
+            let minutes = now.getMinutes().toString();
+            minutes = minutes.length < 2 ? "0" + minutes : minutes;
+            filename = `PairDrop_files_${year+month+date}_${hours+minutes}.zip`;
+        }
+
+        this.$fileDescriptionNode.textContent = description;
+        this.$fileSizeNode.textContent = size;
+        this.$shareOrDownloadBtn.download = filename;
+
+        if ((window.iOS || window.android) && !!navigator.share && navigator.canShare({files})) {
+            this.$shareOrDownloadBtn.innerText = "Share";
+            this.continueCallback = async _ => {
+                navigator.share({
+                    title: shareTitle,
+                    text: description,
+                    files: files
+                }).catch(err => console.error(err));
+            }
+            this.$shareOrDownloadBtn.addEventListener("click", this.continueCallback);
+        } else {
+            this.$shareOrDownloadBtn.innerText = "Download";
+            this.$shareOrDownloadBtn.href = url;
+        }
+
+        this.createPreviewElement(files[0]).then(_ => {
+            this.show()
+            Events.fire('set-progress', {
+                peerId: peerId,
+                progress: 1,
+                status: 'wait'
+            })
+            this.$shareOrDownloadBtn.click();
+        });
+    }
 
     hide() {
-        this.$previewBox.style.visibility = 'hidden';
+        this.$shareOrDownloadBtn.href = '';
+        this.$previewBox.style.display = 'none';
         this.$previewBox.innerHTML = '';
         super.hide();
         this._dequeueFile();
     }
+}
 
+class ReceiveRequestDialog extends ReceiveDialog {
 
-    _autoDownload(){
-        return !this.$el.querySelector('#autoDownload').checked
+    constructor() {
+        super('receiveRequestDialog', true);
+
+        this.$acceptRequestBtn = this.$el.querySelector('#acceptRequest');
+        this.$declineRequestBtn = this.$el.querySelector('#declineRequest');
+
+        this.$acceptRequestBtn.addEventListener('click', _ => this._respondToFileTransferRequest(true));
+        this.$declineRequestBtn.addEventListener('click', _ => this._respondToFileTransferRequest(false));
+
+        Events.on('files-transfer-request', e => this._onRequestFileTransfer(e.detail.request, e.detail.peerId))
+        Events.on('peer-left', e => this._onPeerDisconnectedOrLeft(e.detail))
+        Events.on('peer-disconnected', e => this._onPeerDisconnectedOrLeft(e.detail))
+        Events.on('keydown', e => this._onKeyDown(e));
+    }
+
+    _onKeyDown(e) {
+        if (this.$el.attributes["show"] && e.code === "Escape") {
+            this._respondToFileTransferRequest(false)
+            this.hide();
+        }
+    }
+
+    _onPeerDisconnectedOrLeft(peerId) {
+        if (peerId === this.requestingPeerId) {
+            this._respondToFileTransferRequest(false)
+            this.hide();
+        }
+    }
+
+    _onRequestFileTransfer(request, peerId) {
+        this.requestingPeerId = peerId;
+        this.requestedHeader = request.header;
+
+        const peer = $(peerId);
+        let peerDisplayName = peer.ui._displayName();
+        let fileDesc = request.header.length === 1
+            ? "a file"
+            : `${request.header.length} files`
+
+        this.$fileDescriptionNode.innerText = `${peerDisplayName} would like to share ${fileDesc}`;
+        this.$fileSizeNode.innerText = this._formatFileSize(request.size);
+
+        if (request.thumbnailDataUrl) {
+            let element = document.createElement('img');
+            element.src = request.thumbnailDataUrl;
+            element.classList = 'element-preview'
+
+            this.$previewBox.style.display = 'block';
+            this.$previewBox.appendChild(element)
+        }
+
+        this.show()
+    }
+
+    _respondToFileTransferRequest(accepted) {
+        Events.fire('respond-to-files-transfer-request', {
+            to: this.requestingPeerId,
+            header: this.requestedHeader,
+            accepted: accepted
+        })
+        this.requestingPeerId = null;
+        if (accepted) {
+            Events.fire('set-progress', {peerId: this._peerId, progress: 0, status: 'wait'});
+        }
+    }
+
+    hide() {
+        this.$previewBox.style.display = 'none';
+        this.$previewBox.innerHTML = '';
+        super.hide();
     }
 }
 
@@ -554,12 +699,14 @@ class PairDeviceDialog extends Dialog {
     }
 
     _onKeyDown(e) {
-        if (this.$el.attributes["show"] && e.code === "Escape") {
-            this.hide();
-            this._pairDeviceCancel();
-        }
-        if (this.$el.attributes["show"] && e.code === "keyO") {
-            this._onRoomSecretDelete()
+        if (this.$el.attributes["show"]) {
+            if (e.code === "Escape") {
+                this.hide();
+                this._pairDeviceCancel();
+            }
+            if (e.code === "keyO") {
+                this._onRoomSecretDelete()
+            }
         }
     }
 
@@ -701,7 +848,6 @@ class PairDeviceDialog extends Dialog {
 
     _onRoomSecretDelete(roomSecret) {
         PersistentStorage.deleteRoomSecret(roomSecret).then(_ => {
-            console.debug("then secret: " + roomSecret)
             Events.fire('room-secret-deleted', roomSecret)
             this._evaluateNumberRoomSecrets();
         }).catch((e) => console.error(e));
@@ -867,7 +1013,7 @@ class Notifications {
             this.$button.addEventListener('click', _ => this._requestPermission());
         }
         Events.on('text-received', e => this._messageNotification(e.detail.text));
-        Events.on('file-received', e => this._downloadNotification(e.detail.name));
+        Events.on('files-received', _ => this._downloadNotification());
     }
 
     _requestPermission() {
@@ -919,7 +1065,7 @@ class Notifications {
         }
     }
 
-    _downloadNotification(message) {
+    _downloadNotification() {
         if (document.visibilityState !== 'visible') {
             const notification = this._notify(message, 'Click to download');
             this._bind(notification, _ => this._download(notification));
@@ -927,7 +1073,7 @@ class Notifications {
     }
 
     _download(notification) {
-        document.querySelector('x-dialog [download]').click();
+        $('shareOrDownload').click();
         notification.close();
     }
 
@@ -1178,7 +1324,8 @@ class Pairdrop {
             const server = new ServerConnection();
             const peers = new PeersManager(server);
             const peersUI = new PeersUI();
-            const receiveDialog = new ReceiveDialog();
+            const receiveFileDialog = new ReceiveFileDialog();
+            const receiveRequestDialog = new ReceiveRequestDialog();
             const sendTextDialog = new SendTextDialog();
             const receiveTextDialog = new ReceiveTextDialog();
             const pairDeviceDialog = new PairDeviceDialog();
diff --git a/public/scripts/util.js b/public/scripts/util.js
new file mode 100644
index 0000000..f772549
--- /dev/null
+++ b/public/scripts/util.js
@@ -0,0 +1,79 @@
+// Polyfill for Navigator.clipboard.writeText
+if (!navigator.clipboard) {
+    navigator.clipboard = {
+        writeText: text => {
+
+            // A <span> contains the text to copy
+            const span = document.createElement('span');
+            span.textContent = text;
+            span.style.whiteSpace = 'pre'; // Preserve consecutive spaces and newlines
+
+            // Paint the span outside the viewport
+            span.style.position = 'absolute';
+            span.style.left = '-9999px';
+            span.style.top = '-9999px';
+
+            const win = window;
+            const selection = win.getSelection();
+            win.document.body.appendChild(span);
+
+            const range = win.document.createRange();
+            selection.removeAllRanges();
+            range.selectNode(span);
+            selection.addRange(range);
+
+            let success = false;
+            try {
+                success = win.document.execCommand('copy');
+            } catch (err) {
+                return Promise.error();
+            }
+
+            selection.removeAllRanges();
+            span.remove();
+
+            return Promise.resolve();
+        }
+    }
+}
+
+const zipper = (() => {
+
+    let zipWriter;
+    return {
+        addFile(file, options) {
+            if (!zipWriter) {
+                zipWriter = new zip.ZipWriter(new zip.BlobWriter("application/zip"), { bufferedWrite: true, level: 0 });
+            }
+            return zipWriter.add(file.name, new zip.BlobReader(file), options);
+        },
+        async getBlobURL() {
+            if (zipWriter) {
+                const blobURL = URL.createObjectURL(await zipWriter.close());
+                zipWriter = null;
+                return blobURL;
+            } else {
+                throw new Error("Zip file closed");
+            }
+        },
+        specifyOnProgress(onprogressCallback) {
+            zipWriter.onprogress = onprogressCallback;
+        },
+        async getZipFile(filename = "archive.zip") {
+            if (zipWriter) {
+                const file = new File([await zipWriter.close()], filename, {type: "application/zip"});
+                zipWriter = null;
+                return file;
+            } else {
+                throw new Error("Zip file closed");
+            }
+        },
+        async getEntries(file, options) {
+            return await (new zip.ZipReader(new zip.BlobReader(file))).getEntries(options);
+        },
+        async getData(entry, options) {
+            return await entry.getData(new zip.BlobWriter(), options);
+        },
+    };
+
+})();
diff --git a/public/scripts/zip.min.js b/public/scripts/zip.min.js
new file mode 100644
index 0000000..b9db6df
--- /dev/null
+++ b/public/scripts/zip.min.js
@@ -0,0 +1 @@
+((e,t)=>{"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).zip={})})(this,(function(e){"use strict";const{Array:t,Object:n,String:r,Number:s,BigInt:i,Math:a,Date:o,Map:c,Set:l,Response:u,URL:f,Error:d,Uint8Array:w,Uint16Array:h,Uint32Array:p,DataView:g,Blob:m,Promise:y,TextEncoder:b,TextDecoder:S,document:k,crypto:z,btoa:x,TransformStream:v,ReadableStream:C,WritableStream:_,CompressionStream:D,DecompressionStream:R,navigator:F,Worker:E}="undefined"!=typeof globalThis?globalThis:this||self,I=4294967295,A=65535,T=67324752,H=134695760,O=33639248,U=101075792,N=117853008,W=21589,q=2048,L="/",M=new o(2107,11,31),P=new o(1980,0,1),V=void 0,B="undefined",K="function";class Y{constructor(e){return class extends v{constructor(t,n){const r=new e(n);super({transform(e,t){t.enqueue(r.append(e))},flush(e){const t=r.flush();t&&e.enqueue(t)}})}}}}let Z=2;try{typeof F!=B&&F.hardwareConcurrency&&(Z=F.hardwareConcurrency)}catch(e){}const X={chunkSize:524288,maxWorkers:Z,terminateWorkerTimeout:5e3,useWebWorkers:!0,useCompressionStream:!0,workerScripts:V,CompressionStreamNative:typeof D!=B&&D,DecompressionStreamNative:typeof R!=B&&R},G=n.assign({},X);function j(){return G}function J(e){return a.max(e.chunkSize,64)}function Q(e){const{baseURL:n,chunkSize:r,maxWorkers:s,terminateWorkerTimeout:i,useCompressionStream:a,useWebWorkers:o,Deflate:c,Inflate:l,CompressionStream:u,DecompressionStream:f,workerScripts:w}=e;if($("baseURL",n),$("chunkSize",r),$("maxWorkers",s),$("terminateWorkerTimeout",i),$("useCompressionStream",a),$("useWebWorkers",o),c&&(G.CompressionStream=new Y(c)),l&&(G.DecompressionStream=new Y(l)),$("CompressionStream",u),$("DecompressionStream",f),w!==V){const{deflate:e,inflate:n}=w;if((e||n)&&(G.workerScripts||(G.workerScripts={})),e){if(!t.isArray(e))throw new d("workerScripts.deflate must be an array");G.workerScripts.deflate=e}if(n){if(!t.isArray(n))throw new d("workerScripts.inflate must be an array");G.workerScripts.inflate=n}}}function $(e,t){t!==V&&(G[e]=t)}function ee(e,t,r){return class{constructor(s){const i=this;n.hasOwn(s,"level")&&void 0===s.level&&delete s.level,i.codec=new e(n.assign({},t,s)),r(i.codec,(e=>{if(i.pendingData){const t=i.pendingData;i.pendingData=new w(t.length+e.length);const{pendingData:n}=i;n.set(t,0),n.set(e,t.length)}else i.pendingData=new w(e)}))}append(e){return this.codec.push(e),s(this)}flush(){return this.codec.push(new w,!0),s(this)}};function s(e){if(e.pendingData){const t=e.pendingData;return e.pendingData=null,t}return new w}}const te=[];for(let e=0;256>e;e++){let t=e;for(let e=0;8>e;e++)1&t?t=t>>>1^3988292384:t>>>=1;te[e]=t}class ne{constructor(e){this.crc=e||-1}append(e){let t=0|this.crc;for(let n=0,r=0|e.length;r>n;n++)t=t>>>8^te[255&(t^e[n])];this.crc=t}get(){return~this.crc}}class re extends v{constructor(){const e=new ne;super({transform(t){e.append(t)},flush(t){const n=new w(4);new g(n.buffer).setUint32(0,e.get()),t.enqueue(n)}})}}function se(e){if(void 0===b){const t=new w((e=unescape(encodeURIComponent(e))).length);for(let n=0;n<t.length;n++)t[n]=e.charCodeAt(n);return t}return(new b).encode(e)}const ie={concat(e,t){if(0===e.length||0===t.length)return e.concat(t);const n=e[e.length-1],r=ie.getPartial(n);return 32===r?e.concat(t):ie._shiftRight(t,r,0|n,e.slice(0,e.length-1))},bitLength(e){const t=e.length;if(0===t)return 0;const n=e[t-1];return 32*(t-1)+ie.getPartial(n)},clamp(e,t){if(32*e.length<t)return e;const n=(e=e.slice(0,a.ceil(t/32))).length;return t&=31,n>0&&t&&(e[n-1]=ie.partial(t,e[n-1]&2147483648>>t-1,1)),e},partial:(e,t,n)=>32===e?t:(n?0|t:t<<32-e)+1099511627776*e,getPartial:e=>a.round(e/1099511627776)||32,_shiftRight(e,t,n,r){for(void 0===r&&(r=[]);t>=32;t-=32)r.push(n),n=0;if(0===t)return r.concat(e);for(let s=0;s<e.length;s++)r.push(n|e[s]>>>t),n=e[s]<<32-t;const s=e.length?e[e.length-1]:0,i=ie.getPartial(s);return r.push(ie.partial(t+i&31,t+i>32?n:r.pop(),1)),r}},ae={bytes:{fromBits(e){const t=ie.bitLength(e)/8,n=new w(t);let r;for(let s=0;t>s;s++)0==(3&s)&&(r=e[s/4]),n[s]=r>>>24,r<<=8;return n},toBits(e){const t=[];let n,r=0;for(n=0;n<e.length;n++)r=r<<8|e[n],3==(3&n)&&(t.push(r),r=0);return 3&n&&t.push(ie.partial(8*(3&n),r)),t}}},oe={getRandomValues(e){const t=new p(e.buffer),n=e=>{let t=987654321;const n=4294967295;return()=>(t=36969*(65535&t)+(t>>16)&n,(((t<<16)+(e=18e3*(65535&e)+(e>>16)&n)&n)/4294967296+.5)*(a.random()>.5?1:-1))};for(let r,s=0;s<e.length;s+=4){const e=n(4294967296*(r||a.random()));r=987654071*e(),t[s/4]=4294967296*e()|0}return e}},ce={importKey:e=>new ce.hmacSha1(ae.bytes.toBits(e)),pbkdf2(e,t,n,r){if(n=n||1e4,0>r||0>n)throw new d("invalid params to pbkdf2");const s=1+(r>>5)<<2;let i,a,o,c,l;const u=new ArrayBuffer(s),f=new g(u);let w=0;const h=ie;for(t=ae.bytes.toBits(t),l=1;(s||1)>w;l++){for(i=a=e.encrypt(h.concat(t,[l])),o=1;n>o;o++)for(a=e.encrypt(a),c=0;c<a.length;c++)i[c]^=a[c];for(o=0;(s||1)>w&&o<i.length;o++)f.setInt32(w,i[o]),w+=4}return u.slice(0,r/8)},hmacSha1:class{constructor(e){const n=this,r=n._hash=class{constructor(e){const t=this;t.blockSize=512,t._init=[1732584193,4023233417,2562383102,271733878,3285377520],t._key=[1518500249,1859775393,2400959708,3395469782],e?(t._h=e._h.slice(0),t._buffer=e._buffer.slice(0),t._length=e._length):t.reset()}reset(){const e=this;return e._h=e._init.slice(0),e._buffer=[],e._length=0,e}update(e){const t=this;"string"==typeof e&&(e=ae.utf8String.toBits(e));const n=t._buffer=ie.concat(t._buffer,e),r=t._length,s=t._length=r+ie.bitLength(e);if(s>9007199254740991)throw new d("Cannot hash more than 2^53 - 1 bits");const i=new p(n);let a=0;for(let e=t.blockSize+r-(t.blockSize+r&t.blockSize-1);s>=e;e+=t.blockSize)t._block(i.subarray(16*a,16*(a+1))),a+=1;return n.splice(0,16*a),t}finalize(){const e=this;let t=e._buffer;const n=e._h;t=ie.concat(t,[ie.partial(1,1)]);for(let e=t.length+2;15&e;e++)t.push(0);for(t.push(a.floor(e._length/4294967296)),t.push(0|e._length);t.length;)e._block(t.splice(0,16));return e.reset(),n}_f(e,t,n,r){return e>19?e>39?e>59?e>79?void 0:t^n^r:t&n|t&r|n&r:t^n^r:t&n|~t&r}_S(e,t){return t<<e|t>>>32-e}_block(e){const n=this,r=n._h,s=t(80);for(let t=0;16>t;t++)s[t]=e[t];let i=r[0],o=r[1],c=r[2],l=r[3],u=r[4];for(let e=0;79>=e;e++){16>e||(s[e]=n._S(1,s[e-3]^s[e-8]^s[e-14]^s[e-16]));const t=n._S(5,i)+n._f(e,o,c,l)+u+s[e]+n._key[a.floor(e/20)]|0;u=l,l=c,c=n._S(30,o),o=i,i=t}r[0]=r[0]+i|0,r[1]=r[1]+o|0,r[2]=r[2]+c|0,r[3]=r[3]+l|0,r[4]=r[4]+u|0}},s=[[],[]];n._baseHash=[new r,new r];const i=n._baseHash[0].blockSize/32;e.length>i&&(e=r.hash(e));for(let t=0;i>t;t++)s[0][t]=909522486^e[t],s[1][t]=1549556828^e[t];n._baseHash[0].update(s[0]),n._baseHash[1].update(s[1]),n._resultHash=new r(n._baseHash[0])}reset(){const e=this;e._resultHash=new e._hash(e._baseHash[0]),e._updated=!1}update(e){this._updated=!0,this._resultHash.update(e)}digest(){const e=this,t=e._resultHash.finalize(),n=new e._hash(e._baseHash[1]).update(t).finalize();return e.reset(),n}encrypt(e){if(this._updated)throw new d("encrypt on already updated hmac called!");return this.update(e),this.digest(e)}}},le=void 0!==z&&"function"==typeof z.getRandomValues,ue="Invalid password",fe="Invalid signature";function de(e){return le?z.getRandomValues(e):oe.getRandomValues(e)}const we=16,he={name:"PBKDF2"},pe=n.assign({hash:{name:"HMAC"}},he),ge=n.assign({iterations:1e3,hash:{name:"SHA-1"}},he),me=["deriveBits"],ye=[8,12,16],be=[16,24,32],Se=10,ke=[0,0,0,0],ze="undefined",xe="function",ve=typeof z!=ze,Ce=ve&&z.subtle,_e=ve&&typeof Ce!=ze,De=ae.bytes,Re=class{constructor(e){const t=this;t._tables=[[[],[],[],[],[]],[[],[],[],[],[]]],t._tables[0][0][0]||t._precompute();const n=t._tables[0][4],r=t._tables[1],s=e.length;let i,a,o,c=1;if(4!==s&&6!==s&&8!==s)throw new d("invalid aes key size");for(t._key=[a=e.slice(0),o=[]],i=s;4*s+28>i;i++){let e=a[i-1];(i%s==0||8===s&&i%s==4)&&(e=n[e>>>24]<<24^n[e>>16&255]<<16^n[e>>8&255]<<8^n[255&e],i%s==0&&(e=e<<8^e>>>24^c<<24,c=c<<1^283*(c>>7))),a[i]=a[i-s]^e}for(let e=0;i;e++,i--){const t=a[3&e?i:i-4];o[e]=4>=i||4>e?t:r[0][n[t>>>24]]^r[1][n[t>>16&255]]^r[2][n[t>>8&255]]^r[3][n[255&t]]}}encrypt(e){return this._crypt(e,0)}decrypt(e){return this._crypt(e,1)}_precompute(){const e=this._tables[0],t=this._tables[1],n=e[4],r=t[4],s=[],i=[];let a,o,c,l;for(let e=0;256>e;e++)i[(s[e]=e<<1^283*(e>>7))^e]=e;for(let u=a=0;!n[u];u^=o||1,a=i[a]||1){let i=a^a<<1^a<<2^a<<3^a<<4;i=i>>8^255&i^99,n[u]=i,r[i]=u,l=s[c=s[o=s[u]]];let f=16843009*l^65537*c^257*o^16843008*u,d=257*s[i]^16843008*i;for(let n=0;4>n;n++)e[n][u]=d=d<<24^d>>>8,t[n][i]=f=f<<24^f>>>8}for(let n=0;5>n;n++)e[n]=e[n].slice(0),t[n]=t[n].slice(0)}_crypt(e,t){if(4!==e.length)throw new d("invalid aes block size");const n=this._key[t],r=n.length/4-2,s=[0,0,0,0],i=this._tables[t],a=i[0],o=i[1],c=i[2],l=i[3],u=i[4];let f,w,h,p=e[0]^n[0],g=e[t?3:1]^n[1],m=e[2]^n[2],y=e[t?1:3]^n[3],b=4;for(let e=0;r>e;e++)f=a[p>>>24]^o[g>>16&255]^c[m>>8&255]^l[255&y]^n[b],w=a[g>>>24]^o[m>>16&255]^c[y>>8&255]^l[255&p]^n[b+1],h=a[m>>>24]^o[y>>16&255]^c[p>>8&255]^l[255&g]^n[b+2],y=a[y>>>24]^o[p>>16&255]^c[g>>8&255]^l[255&m]^n[b+3],b+=4,p=f,g=w,m=h;for(let e=0;4>e;e++)s[t?3&-e:e]=u[p>>>24]<<24^u[g>>16&255]<<16^u[m>>8&255]<<8^u[255&y]^n[b++],f=p,p=g,g=m,m=y,y=f;return s}},Fe=class{constructor(e,t){this._prf=e,this._initIv=t,this._iv=t}reset(){this._iv=this._initIv}update(e){return this.calculate(this._prf,e,this._iv)}incWord(e){if(255==(e>>24&255)){let t=e>>16&255,n=e>>8&255,r=255&e;255===t?(t=0,255===n?(n=0,255===r?r=0:++r):++n):++t,e=0,e+=t<<16,e+=n<<8,e+=r}else e+=1<<24;return e}incCounter(e){0===(e[0]=this.incWord(e[0]))&&(e[1]=this.incWord(e[1]))}calculate(e,t,n){let r;if(!(r=t.length))return[];const s=ie.bitLength(t);for(let s=0;r>s;s+=4){this.incCounter(n);const r=e.encrypt(n);t[s]^=r[0],t[s+1]^=r[1],t[s+2]^=r[2],t[s+3]^=r[3]}return ie.clamp(t,s)}},Ee=ce.hmacSha1;let Ie=ve&&_e&&typeof Ce.importKey==xe,Ae=ve&&_e&&typeof Ce.deriveBits==xe;class Te extends v{constructor({password:e,signed:t,encryptionStrength:r}){super({start(){n.assign(this,{ready:new y((e=>this.resolveReady=e)),password:e,signed:t,strength:r-1,pending:new w})},async transform(e,t){const n=this,{password:r,strength:s,resolveReady:i,ready:a}=n;r?(await(async(e,t,n,r)=>{const s=await Ue(e,t,n,We(r,0,ye[t])),i=We(r,ye[t]);if(s[0]!=i[0]||s[1]!=i[1])throw new d(ue)})(n,s,r,We(e,0,ye[s]+2)),e=We(e,ye[s]+2),i()):await a;const o=new w(e.length-Se-(e.length-Se)%we);t.enqueue(Oe(n,e,o,0,Se,!0))},async flush(e){const{signed:t,ctr:n,hmac:r,pending:s,ready:i}=this;await i;const a=We(s,0,s.length-Se),o=We(s,s.length-Se);let c=new w;if(a.length){const e=Le(De,a);r.update(e);const t=n.update(e);c=qe(De,t)}if(t){const e=We(qe(De,r.digest()),0,Se);for(let t=0;Se>t;t++)if(e[t]!=o[t])throw new d(fe)}e.enqueue(c)}})}}class He extends v{constructor({password:e,encryptionStrength:t}){let r;super({start(){n.assign(this,{ready:new y((e=>this.resolveReady=e)),password:e,strength:t-1,pending:new w})},async transform(e,t){const n=this,{password:r,strength:s,resolveReady:i,ready:a}=n;let o=new w;r?(o=await(async(e,t,n)=>{const r=de(new w(ye[t]));return Ne(r,await Ue(e,t,n,r))})(n,s,r),i()):await a;const c=new w(o.length+e.length-e.length%we);c.set(o,0),t.enqueue(Oe(n,e,c,o.length,0))},async flush(e){const{ctr:t,hmac:n,pending:s,ready:i}=this;await i;let a=new w;if(s.length){const e=t.update(Le(De,s));n.update(e),a=qe(De,e)}r.signature=qe(De,n.digest()).slice(0,Se),e.enqueue(Ne(a,r.signature))}}),r=this}}function Oe(e,t,n,r,s,i){const{ctr:a,hmac:o,pending:c}=e,l=t.length-s;let u;for(c.length&&(t=Ne(c,t),n=((e,t)=>{if(t&&t>e.length){const n=e;(e=new w(t)).set(n,0)}return e})(n,l-l%we)),u=0;l-we>=u;u+=we){const e=Le(De,We(t,u,u+we));i&&o.update(e);const s=a.update(e);i||o.update(s),n.set(qe(De,s),u+r)}return e.pending=We(t,u),n}async function Ue(e,r,s,i){e.password=null;const a=se(s),o=await(async(e,t,n,r,s)=>{if(!Ie)return ce.importKey(t);try{return await Ce.importKey("raw",t,n,!1,s)}catch(e){return Ie=!1,ce.importKey(t)}})(0,a,pe,0,me),c=await(async(e,t,n)=>{if(!Ae)return ce.pbkdf2(t,e.salt,ge.iterations,n);try{return await Ce.deriveBits(e,t,n)}catch(r){return Ae=!1,ce.pbkdf2(t,e.salt,ge.iterations,n)}})(n.assign({salt:i},ge),o,8*(2*be[r]+2)),l=new w(c),u=Le(De,We(l,0,be[r])),f=Le(De,We(l,be[r],2*be[r])),d=We(l,2*be[r]);return n.assign(e,{keys:{key:u,authentication:f,passwordVerification:d},ctr:new Fe(new Re(u),t.from(ke)),hmac:new Ee(f)}),d}function Ne(e,t){let n=e;return e.length+t.length&&(n=new w(e.length+t.length),n.set(e,0),n.set(t,e.length)),n}function We(e,t,n){return e.subarray(t,n)}function qe(e,t){return e.fromBits(t)}function Le(e,t){return e.toBits(t)}class Me extends v{constructor({password:e,passwordVerification:t}){super({start(){n.assign(this,{password:e,passwordVerification:t}),Ke(this,e)},transform(e,t){const n=this;if(n.password){const t=Ve(n,e.subarray(0,12));if(n.password=null,t[11]!=n.passwordVerification)throw new d(ue);e=e.subarray(12)}t.enqueue(Ve(n,e))}})}}class Pe extends v{constructor({password:e,passwordVerification:t}){super({start(){n.assign(this,{password:e,passwordVerification:t}),Ke(this,e)},transform(e,t){const n=this;let r,s;if(n.password){n.password=null;const t=de(new w(12));t[11]=n.passwordVerification,r=new w(e.length+t.length),r.set(Be(n,t),0),s=12}else r=new w(e.length),s=0;r.set(Be(n,e),s),t.enqueue(r)}})}}function Ve(e,t){const n=new w(t.length);for(let r=0;r<t.length;r++)n[r]=Ze(e)^t[r],Ye(e,n[r]);return n}function Be(e,t){const n=new w(t.length);for(let r=0;r<t.length;r++)n[r]=Ze(e)^t[r],Ye(e,t[r]);return n}function Ke(e,t){const r=[305419896,591751049,878082192];n.assign(e,{keys:r,crcKey0:new ne(r[0]),crcKey2:new ne(r[2])});for(let n=0;n<t.length;n++)Ye(e,t.charCodeAt(n))}function Ye(e,t){let[n,r,s]=e.keys;e.crcKey0.append([t]),n=~e.crcKey0.get(),r=Ge(a.imul(Ge(r+Xe(n)),134775813)+1),e.crcKey2.append([r>>>24]),s=~e.crcKey2.get(),e.keys=[n,r,s]}function Ze(e){const t=2|e.keys[2];return Xe(a.imul(t,1^t)>>>8)}function Xe(e){return 255&e}function Ge(e){return 4294967295&e}const je="deflate-raw";class Je extends v{constructor(e,{chunkSize:t,CompressionStream:n,CompressionStreamNative:r}){super({});const{compressed:s,encrypted:i,useCompressionStream:a,zipCrypto:o,signed:c,level:l}=e,u=this;let f,d,w=$e(super.readable);i&&!o||!c||([w,f]=w.tee(),f=nt(f,new re)),s&&(w=tt(w,a,{level:l,chunkSize:t},r,n)),i&&(o?w=nt(w,new Pe(e)):(d=new He(e),w=nt(w,d))),et(u,w,(async()=>{let e;i&&!o&&(e=d.signature),i&&!o||!c||(e=await f.getReader().read(),e=new g(e.value.buffer).getUint32(0)),u.signature=e}))}}class Qe extends v{constructor(e,{chunkSize:t,DecompressionStream:n,DecompressionStreamNative:r}){super({});const{zipCrypto:s,encrypted:i,signed:a,signature:o,compressed:c,useCompressionStream:l}=e;let u,f,w=$e(super.readable);i&&(s?w=nt(w,new Me(e)):(f=new Te(e),w=nt(w,f))),c&&(w=tt(w,l,{chunkSize:t},r,n)),i&&!s||!a||([w,u]=w.tee(),u=nt(u,new re)),et(this,w,(async()=>{if((!i||s)&&a){const e=await u.getReader().read(),t=new g(e.value.buffer);if(o!=t.getUint32(0,!1))throw new d(fe)}}))}}function $e(e){return nt(e,new v({transform(e,t){e&&e.length&&t.enqueue(e)}}))}function et(e,t,r){t=nt(t,new v({flush:r})),n.defineProperty(e,"readable",{get:()=>t})}function tt(e,t,n,r,s){try{e=nt(e,new(t&&r?r:s)(je,n))}catch(r){if(!t)throw r;e=nt(e,new s(je,n))}return e}function nt(e,t){return e.pipeThrough(t)}const rt="data",st="deflate",it="inflate";class at extends v{constructor(e,t){super({});const r=this,{codecType:s}=e;let i;s.startsWith(st)?i=Je:s.startsWith(it)&&(i=Qe);let a=0;const o=new i(e,t),c=super.readable,l=new v({transform(e,t){e&&e.length&&(a+=e.length,t.enqueue(e))},flush(){const{signature:e}=o;n.assign(r,{signature:e,size:a})}});n.defineProperty(r,"readable",{get:()=>c.pipeThrough(o).pipeThrough(l)})}}const ot=typeof E!=B;class ct{constructor(e,{readable:t,writable:r},{options:s,config:i,streamOptions:a,useWebWorkers:o,transferStreams:c,scripts:l},u){const{signal:f}=a;return n.assign(e,{busy:!0,readable:t.pipeThrough(new lt(t,a,i),{signal:f}),writable:r,options:n.assign({},s),scripts:l,transferStreams:c,terminate(){const{worker:t,busy:n}=e;t&&!n&&(t.terminate(),e.interface=null)},onTaskFinished(){e.busy=!1,u(e)}}),(o&&ot?dt:ft)(e,i)}}class lt extends v{constructor(e,{onstart:t,onprogress:n,size:r,onend:s},{chunkSize:i}){let a=0;super({start(){t&&ut(t,r)},async transform(e,t){a+=e.length,n&&await ut(n,a,r),t.enqueue(e)},flush(){e.size=a,s&&ut(s,a)}},{highWaterMark:1,size:()=>i})}}async function ut(e,...t){try{await e(...t)}catch(e){}}function ft(e,t){return{run:()=>(async({options:e,readable:t,writable:n,onTaskFinished:r},s)=>{const i=new at(e,s);try{await t.pipeThrough(i).pipeTo(n,{preventClose:!0,preventAbort:!0});const{signature:e,size:s}=i;return{signature:e,size:s}}finally{r()}})(e,t)}}function dt(e,{baseURL:t,chunkSize:r}){return e.interface||n.assign(e,{worker:pt(e.scripts[0],t,e),interface:{run:()=>(async(e,t)=>{let r,s;const i=new y(((e,t)=>{r=e,s=t}));n.assign(e,{reader:null,writer:null,resolveResult:r,rejectResult:s,result:i});const{readable:a,options:o,scripts:c}=e,{writable:l,closed:u}=(e=>{const t=e.getWriter();let n;const r=new y((e=>n=e));return{writable:new _({async write(e){await t.ready,await t.write(e)},close(){t.releaseLock(),n()},abort:e=>t.abort(e)}),closed:r}})(e.writable);gt({type:"start",scripts:c.slice(1),options:o,config:t,readable:a,writable:l},e)||n.assign(e,{reader:a.getReader(),writer:l.getWriter()});const f=await i;try{await l.close()}catch(e){}return await u,f})(e,{chunkSize:r})}}),e.interface}let wt=!0,ht=!0;function pt(e,t,r){const s={type:"module"};let i,a;typeof e==K&&(e=e());try{i=new f(e,t)}catch(t){i=e}if(wt)try{a=new E(i)}catch(e){wt=!1,a=new E(i,s)}else a=new E(i,s);return a.addEventListener("message",(e=>(async({data:e},t)=>{const{type:r,value:s,messageId:i,result:a,error:o}=e,{reader:c,writer:l,resolveResult:u,rejectResult:f,onTaskFinished:h}=t;try{if(o){const{message:e,stack:t,code:r,name:s}=o,i=new d(e);n.assign(i,{stack:t,code:r,name:s}),p(i)}else{if("pull"==r){const{value:e,done:n}=await c.read();gt({type:rt,value:e,done:n,messageId:i},t)}r==rt&&(await l.ready,await l.write(new w(s)),gt({type:"ack",messageId:i},t)),"close"==r&&p(null,a)}}catch(o){p(o)}function p(e,t){e?f(e):u(t),l&&l.releaseLock(),h()}})(e,r))),a}function gt(e,{worker:t,writer:n,onTaskFinished:r,transferStreams:s}){try{let{value:n,readable:r,writable:i}=e;const a=[];if(n){const{buffer:t,length:r}=n;r!=t.byteLength&&(n=new w(n)),e.value=n.buffer,a.push(e.value)}if(s&&ht?(r&&a.push(r),i&&a.push(i)):e.readable=e.writable=null,a.length)try{return t.postMessage(e,a),!0}catch(n){ht=!1,e.readable=e.writable=null,t.postMessage(e)}else t.postMessage(e)}catch(e){throw n&&n.releaseLock(),r(),e}}let mt=[];const yt=[];let bt=0;async function St(e,t){const{options:n,config:r}=t,{transferStreams:i,useWebWorkers:a,useCompressionStream:o,codecType:c,compressed:l,signed:u,encrypted:f}=n,{workerScripts:d,maxWorkers:w,terminateWorkerTimeout:h}=r;t.transferStreams=i||i===V;const p=!(l||u||f||t.transferStreams);let g;t.useWebWorkers=!p&&(a||a===V&&r.useWebWorkers),t.scripts=t.useWebWorkers&&d?d[c]:[],n.useCompressionStream=o||o===V&&r.useCompressionStream;const m=mt.find((e=>!e.busy));if(m)kt(m),g=new ct(m,e,t,b);else if(mt.length<w){const n={indexWorker:bt};bt++,mt.push(n),g=new ct(n,e,t,b)}else g=await new y((n=>yt.push({resolve:n,stream:e,workerOptions:t})));return g.run();function b(e){if(yt.length){const[{resolve:t,stream:n,workerOptions:r}]=yt.splice(0,1);t(new ct(e,n,r,b))}else e.worker?(kt(e),s.isFinite(h)&&h>=0&&(e.terminateTimeout=setTimeout((()=>{mt=mt.filter((t=>t!=e)),e.terminate()}),h))):mt=mt.filter((t=>t!=e))}}function kt(e){const{terminateTimeout:t}=e;t&&(clearTimeout(t),e.terminateTimeout=null)}const zt="HTTP error ",xt="HTTP Range not supported",vt="Writer iterator completed too soon",Ct="GET",_t=65536,Dt="writable";class Rt{constructor(){this.size=0}init(){this.initialized=!0}}class Ft extends Rt{get readable(){const e=this,{chunkSize:t=_t}=e,n=new C({start(){this.chunkOffset=0},async pull(r){const{offset:s=0,size:i,diskNumberStart:o}=n,{chunkOffset:c}=this;r.enqueue(await Qt(e,s+c,a.min(t,i-c),o)),c+t>i?r.close():this.chunkOffset+=t}});return n}}class Et extends Rt{constructor(){super();const e=this,t=new _({write:t=>e.writeUint8Array(t)});n.defineProperty(e,Dt,{get:()=>t})}writeUint8Array(){}}class It extends Ft{constructor(e){super(),n.assign(this,{blob:e,size:e.size})}async readUint8Array(e,t){const n=this,r=e+t,s=e||r<n.size?n.blob.slice(e,r):n.blob;return new w(await s.arrayBuffer())}}class At extends Rt{constructor(e){super();const t=new v,r=[];e&&r.push(["Content-Type",e]),n.defineProperty(this,Dt,{get:()=>t.writable}),this.blob=new u(t.readable,{headers:r}).blob()}getData(){return this.blob}}class Tt extends Ft{constructor(e,t){super(),Ot(this,e,t)}async init(){super.init(),await Ut(this,Bt,Lt)}readUint8Array(e,t){return Nt(this,e,t,Bt,Lt)}}class Ht extends Ft{constructor(e,t){super(),Ot(this,e,t)}async init(){super.init(),await Ut(this,Kt,Mt)}readUint8Array(e,t){return Nt(this,e,t,Kt,Mt)}}function Ot(e,t,r){const{preventHeadRequest:s,useRangeHeader:i,forceRangeRequests:a}=r;delete(r=n.assign({},r)).preventHeadRequest,delete r.useRangeHeader,delete r.forceRangeRequests,delete r.useXHR,n.assign(e,{url:t,options:r,preventHeadRequest:s,useRangeHeader:i,forceRangeRequests:a})}async function Ut(e,t,n){const{url:r,useRangeHeader:i,forceRangeRequests:a}=e;if((e=>{const{baseURL:t}=j(),{protocol:n}=new f(e,t);return"http:"==n||"https:"==n})(r)&&(i||a)){const{headers:r}=await t(Ct,e,Wt(e));if(!a&&"bytes"!=r.get("Accept-Ranges"))throw new d(xt);{let i;const a=r.get("Content-Range");if(a){const e=a.trim().split(/\s*\/\s*/);if(e.length){const t=e[1];t&&"*"!=t&&(i=s(t))}}i===V?await Vt(e,t,n):e.size=i}}else await Vt(e,t,n)}async function Nt(e,t,n,r,s){const{useRangeHeader:i,forceRangeRequests:a,options:o}=e;if(i||a){const s=await r(Ct,e,Wt(e,t,n));if(206!=s.status)throw new d(xt);return new w(await s.arrayBuffer())}{const{data:r}=e;return r||await s(e,o),new w(e.data.subarray(t,t+n))}}function Wt(e,t=0,r=1){return n.assign({},qt(e),{Range:"bytes="+t+"-"+(t+r-1)})}function qt({options:e}){const{headers:t}=e;if(t)return Symbol.iterator in t?n.fromEntries(t):t}async function Lt(e){await Pt(e,Bt)}async function Mt(e){await Pt(e,Kt)}async function Pt(e,t){const n=await t(Ct,e,qt(e));e.data=new w(await n.arrayBuffer()),e.size||(e.size=e.data.length)}async function Vt(e,t,n){if(e.preventHeadRequest)await n(e,e.options);else{const r=(await t("HEAD",e,qt(e))).headers.get("Content-Length");r?e.size=s(r):await n(e,e.options)}}async function Bt(e,{options:t,url:r},s){const i=await fetch(r,n.assign({},t,{method:e,headers:s}));if(400>i.status)return i;throw 416==i.status?new d(xt):new d(zt+(i.statusText||i.status))}function Kt(e,{url:t},r){return new y(((s,i)=>{const a=new XMLHttpRequest;if(a.addEventListener("load",(()=>{if(400>a.status){const e=[];a.getAllResponseHeaders().trim().split(/[\r\n]+/).forEach((t=>{const n=t.trim().split(/\s*:\s*/);n[0]=n[0].trim().replace(/^[a-z]|-[a-z]/g,(e=>e.toUpperCase())),e.push(n)})),s({status:a.status,arrayBuffer:()=>a.response,headers:new c(e)})}else i(416==a.status?new d(xt):new d(zt+(a.statusText||a.status)))}),!1),a.addEventListener("error",(e=>i(e.detail.error)),!1),a.open(e,t),r)for(const e of n.entries(r))a.setRequestHeader(e[0],e[1]);a.responseType="arraybuffer",a.send()}))}class Yt extends Ft{constructor(e,t={}){super(),n.assign(this,{url:e,reader:t.useXHR?new Ht(e,t):new Tt(e,t)})}set size(e){}get size(){return this.reader.size}async init(){super.init(),await this.reader.init()}readUint8Array(e,t){return this.reader.readUint8Array(e,t)}}class Zt extends Ft{constructor(e){super(),this.readers=e}async init(){super.init();const e=this,{readers:t}=e;e.lastDiskNumber=0,await y.all(t.map((async t=>{await t.init(),e.size+=t.size})))}async readUint8Array(e,t,n=0){const r=this,{readers:s}=this;let i,o=n;-1==o&&(o=s.length-1);let c=e;for(;c>=s[o].size;)c-=s[o].size,o++;const l=s[o],u=l.size;if(c+t>u){const s=u-c;i=new w(t),i.set(await Qt(l,c,s)),i.set(await r.readUint8Array(e+s,t-s,n),s)}else i=await Qt(l,c,t);return r.lastDiskNumber=a.max(o,r.lastDiskNumber),i}}class Xt extends Rt{constructor(e,t=4294967295){super();const r=this;let s,i,a;n.assign(r,{diskNumber:0,diskOffset:0,size:0,maxSize:t,availableSize:t});const o=new _({async write(t){const{availableSize:n}=r;if(a)t.length<n?await c(t):(await c(t.slice(0,n)),await l(),r.diskOffset+=s.size,r.diskNumber++,a=null,await this.write(t.slice(n)));else{const{value:n,done:o}=await e.next();if(o&&!n)throw new d(vt);s=n,s.size=0,s.maxSize&&(r.maxSize=s.maxSize),r.availableSize=r.maxSize,await Gt(s),i=n.writable,a=i.getWriter(),await this.write(t)}},async close(){await a.ready,await l()}});async function c(e){const t=e.length;t&&(await a.ready,await a.write(e),s.size+=t,r.size+=t,r.availableSize-=t)}async function l(){i.size=s.size,await a.close()}n.defineProperty(r,Dt,{get:()=>o})}}async function Gt(e,t){e.init&&!e.initialized&&await e.init(t)}function jt(e){return t.isArray(e)&&(e=new Zt(e)),e instanceof C&&(e={readable:e}),e}function Jt(e){e.writable===V&&typeof e.next==K&&(e=new Xt(e)),e instanceof _&&(e={writable:e});const{writable:t}=e;return t.size===V&&(t.size=0),e instanceof Xt||n.assign(e,{diskNumber:0,diskOffset:0,availableSize:1/0,maxSize:1/0}),e}function Qt(e,t,n,r){return e.readUint8Array(t,n,r)}const $t=Zt,en=Xt,tn="\0☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼ !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~⌂ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ ".split("");function nn(e,t){return t&&"cp437"==t.trim().toLowerCase()?(e=>{{let t="";for(let n=0;n<e.length;n++)t+=tn[e[n]];return t}})(e):new S(t).decode(e)}const rn="filename",sn="rawFilename",an="comment",on="rawComment",cn="uncompressedSize",ln="compressedSize",un="offset",fn="diskNumberStart",dn="lastModDate",wn="rawLastModDate",hn="lastAccessDate",pn="creationDate",gn="internalFileAttribute",mn="externalFileAttribute",yn="msDosCompatible",bn="zip64",Sn=[rn,sn,ln,cn,dn,wn,an,on,hn,pn,un,fn,fn,gn,mn,yn,bn,"directory","bitFlag","encrypted","signature","filenameUTF8","commentUTF8","compressionMethod","version","versionMadeBy","extraField","rawExtraField","extraFieldZip64","extraFieldUnicodePath","extraFieldUnicodeComment","extraFieldAES","extraFieldNTFS","extraFieldExtendedTimestamp"];class kn{constructor(e){Sn.forEach((t=>this[t]=e[t]))}}const zn="File format is not recognized",xn="End of central directory not found",vn="End of Zip64 central directory not found",Cn="End of Zip64 central directory locator not found",_n="Central directory header not found",Dn="Local file header not found",Rn="Zip64 extra field not found",Fn="File contains encrypted entry",En="Encryption method not supported",In="Compression method not supported",An="Split zip file",Tn="utf-8",Hn="cp437",On=[[cn,I],[ln,I],[un,I],[fn,A]],Un={[A]:{getValue:Yn,bytes:4},[I]:{getValue:Zn,bytes:8}};class Nn{constructor(e,t,r){n.assign(this,{reader:e,config:t,options:r})}async getData(e,t,r={}){const s=this,{reader:i,offset:a,diskNumberStart:o,extraFieldAES:c,compressionMethod:l,config:u,bitFlag:f,signature:h,rawLastModDate:p,uncompressedSize:g,compressedSize:m}=s,y=s.localDirectory={},b=Xn(await Qt(i,a,30,o));let S=Mn(s,r,"password");if(S=S&&S.length&&S,c&&99!=c.originalCompressionMethod)throw new d(In);if(0!=l&&8!=l)throw new d(In);if(Yn(b,0)!=T)throw new d(Dn);Wn(y,b,4),y.rawExtraField=y.extraFieldLength?await Qt(i,a+30+y.filenameLength,y.extraFieldLength,o):new w,await qn(s,y,b,4),n.assign(t,{lastAccessDate:y.lastAccessDate,creationDate:y.creationDate});const k=s.encrypted&&y.encrypted,z=k&&!c;if(k){if(!z&&c.strength===V)throw new d(En);if(!S)throw new d(Fn)}const x=a+30+y.filenameLength+y.extraFieldLength,v=i.readable;v.diskNumberStart=o,v.offset=x;const C=v.size=m,_=Mn(s,r,"signal");e=Jt(e),await Gt(e,g);const{writable:D}=e,{onstart:R,onprogress:F,onend:E}=r,I={options:{codecType:it,password:S,zipCrypto:z,encryptionStrength:c&&c.strength,signed:Mn(s,r,"checkSignature"),passwordVerification:z&&(f.dataDescriptor?p>>>8&255:h>>>24&255),signature:h,compressed:0!=l,encrypted:k,useWebWorkers:Mn(s,r,"useWebWorkers"),useCompressionStream:Mn(s,r,"useCompressionStream"),transferStreams:Mn(s,r,"transferStreams")},config:u,streamOptions:{signal:_,size:C,onstart:R,onprogress:F,onend:E}};return D.size+=(await St({readable:v,writable:D},I)).size,Mn(s,r,"preventClose")||await D.close(),e.getData?e.getData():D}}function Wn(e,t,r){const s=e.rawBitFlag=Kn(t,r+2),i=1==(1&s),a=Yn(t,r+6);n.assign(e,{encrypted:i,version:Kn(t,r),bitFlag:{level:(6&s)>>1,dataDescriptor:8==(8&s),languageEncodingFlag:(s&q)==q},rawLastModDate:a,lastModDate:Pn(a),filenameLength:Kn(t,r+22),extraFieldLength:Kn(t,r+24)})}async function qn(e,t,r,s){const{rawExtraField:i}=t,a=t.extraField=new c,l=Xn(new w(i));let u=0;try{for(;u<i.length;){const e=Kn(l,u),t=Kn(l,u+2);a.set(e,{type:e,data:i.slice(u+4,u+4+t)}),u+=4+t}}catch(e){}const f=Kn(r,s+4);n.assign(t,{signature:Yn(r,s+10),uncompressedSize:Yn(r,s+18),compressedSize:Yn(r,s+14)});const h=a.get(1);h&&(((e,t)=>{t.zip64=!0;const n=Xn(e.data),r=On.filter((([e,n])=>t[e]==n));for(let s=0,i=0;s<r.length;s++){const[a,o]=r[s];if(t[a]==o){const r=Un[o];t[a]=e[a]=r.getValue(n,i),i+=r.bytes}else if(e[a])throw new d(Rn)}})(h,t),t.extraFieldZip64=h);const p=a.get(28789);p&&(await Ln(p,rn,sn,t,e),t.extraFieldUnicodePath=p);const g=a.get(25461);g&&(await Ln(g,an,on,t,e),t.extraFieldUnicodeComment=g);const m=a.get(39169);m?(((e,t,r)=>{const s=Xn(e.data),i=Bn(s,4);n.assign(e,{vendorVersion:Bn(s,0),vendorId:Bn(s,2),strength:i,originalCompressionMethod:r,compressionMethod:Kn(s,5)}),t.compressionMethod=e.compressionMethod})(m,t,f),t.extraFieldAES=m):t.compressionMethod=f;const y=a.get(10);y&&(((e,t)=>{const r=Xn(e.data);let s,i=4;try{for(;i<e.data.length&&!s;){const t=Kn(r,i),n=Kn(r,i+2);1==t&&(s=e.data.slice(i+4,i+4+n)),i+=4+n}}catch(e){}try{if(s&&24==s.length){const r=Xn(s),i=r.getBigUint64(0,!0),a=r.getBigUint64(8,!0),o=r.getBigUint64(16,!0);n.assign(e,{rawLastModDate:i,rawLastAccessDate:a,rawCreationDate:o});const c={lastModDate:Vn(i),lastAccessDate:Vn(a),creationDate:Vn(o)};n.assign(e,c),n.assign(t,c)}}catch(e){}})(y,t),t.extraFieldNTFS=y);const b=a.get(W);b&&(((e,t)=>{const n=Xn(e.data),r=Bn(n,0),s=[],i=[];1==(1&r)&&(s.push(dn),i.push(wn)),2==(2&r)&&(s.push(hn),i.push("rawLastAccessDate")),4==(4&r)&&(s.push(pn),i.push("rawCreationDate"));let a=1;s.forEach(((r,s)=>{if(e.data.length>=a+4){const c=Yn(n,a);t[r]=e[r]=new o(1e3*c);const l=i[s];e[l]=c}a+=4}))})(b,t),t.extraFieldExtendedTimestamp=b)}async function Ln(e,t,r,s,i){const a=Xn(e.data),o=new ne;o.append(i[r]);const c=Xn(new w(4));c.setUint32(0,o.get(),!0),n.assign(e,{version:Bn(a,0),signature:Yn(a,1),[t]:await nn(e.data.subarray(5)),valid:!i.bitFlag.languageEncodingFlag&&e.signature==Yn(c,0)}),e.valid&&(s[t]=e[t],s[t+"UTF8"]=!0)}function Mn(e,t,n){return t[n]===V?e.options[n]:t[n]}function Pn(e){const t=(4294901760&e)>>16,n=65535&e;try{return new o(1980+((65024&t)>>9),((480&t)>>5)-1,31&t,(63488&n)>>11,(2016&n)>>5,2*(31&n),0)}catch(e){}}function Vn(e){return new o(s(e/i(1e4)-i(116444736e5)))}function Bn(e,t){return e.getUint8(t)}function Kn(e,t){return e.getUint16(t,!0)}function Yn(e,t){return e.getUint32(t,!0)}function Zn(e,t){return s(e.getBigUint64(t,!0))}function Xn(e){return new g(e.buffer)}const Gn="File already exists",jn="Zip file comment exceeds 64KB",Jn="File entry comment exceeds 64KB",Qn="File entry name exceeds 64KB",$n="Version exceeds 65535",er="The strength must equal 1, 2, or 3",tr="Extra field type exceeds 65535",nr="Extra field data exceeds 64KB",rr="Zip64 is not supported (make sure 'keepOrder' is set to 'true')",sr=new w([7,0,2,0,65,69,3,0,0]);let ir=0;const ar=[];async function or(e,t){const n=e.getWriter();await n.ready,e.size+=gr(t),await n.write(t),n.releaseLock()}function cr(e){if(e)return(i(e.getTime())+i(116444736e5))*i(1e4)}function lr(e,t,n,r){const s=t[n]===V?e.options[n]:t[n];return s===V?r:s}function ur(e,t,n){e.setUint8(t,n)}function fr(e,t,n){e.setUint16(t,n,!0)}function dr(e,t,n){e.setUint32(t,n,!0)}function wr(e,t,n){e.setBigUint64(t,n,!0)}function hr(e,t,n){e.set(t,n)}function pr(e){return new g(e.buffer)}function gr(...e){let t=0;return e.forEach((e=>e&&(t+=e.length))),t}let mr;try{mr=void 0===k&&"undefined"==typeof location?new(require("url").URL)("file:"+__filename).href:void 0===k?location.href:k.currentScript&&k.currentScript.src||new f("zip.min.js",k.baseURI).href}catch(e){}Q({baseURL:mr}),(e=>{const t=()=>f.createObjectURL(new m(['const{Array:e,Object:t,Number:n,Math:r,Error:s,Uint8Array:i,Uint16Array:o,Uint32Array:c,Int32Array:f,Map:a,DataView:l,Promise:u,TextEncoder:w,crypto:h,postMessage:d,TransformStream:p,ReadableStream:y,WritableStream:m,CompressionStream:b,DecompressionStream:g}=self;class k{constructor(e){return class extends p{constructor(t,n){const r=new e(n);super({transform(e,t){t.enqueue(r.append(e))},flush(e){const t=r.flush();t&&e.enqueue(t)}})}}}}const v=[];for(let e=0;256>e;e++){let t=e;for(let e=0;8>e;e++)1&t?t=t>>>1^3988292384:t>>>=1;v[e]=t}class S{constructor(e){this.t=e||-1}append(e){let t=0|this.t;for(let n=0,r=0|e.length;r>n;n++)t=t>>>8^v[255&(t^e[n])];this.t=t}get(){return~this.t}}class z extends p{constructor(){const e=new S;super({transform(t){e.append(t)},flush(t){const n=new i(4);new l(n.buffer).setUint32(0,e.get()),t.enqueue(n)}})}}const C={concat(e,t){if(0===e.length||0===t.length)return e.concat(t);const n=e[e.length-1],r=C.i(n);return 32===r?e.concat(t):C.o(t,r,0|n,e.slice(0,e.length-1))},l(e){const t=e.length;if(0===t)return 0;const n=e[t-1];return 32*(t-1)+C.i(n)},u(e,t){if(32*e.length<t)return e;const n=(e=e.slice(0,r.ceil(t/32))).length;return t&=31,n>0&&t&&(e[n-1]=C.h(t,e[n-1]&2147483648>>t-1,1)),e},h:(e,t,n)=>32===e?t:(n?0|t:t<<32-e)+1099511627776*e,i:e=>r.round(e/1099511627776)||32,o(e,t,n,r){for(void 0===r&&(r=[]);t>=32;t-=32)r.push(n),n=0;if(0===t)return r.concat(e);for(let s=0;s<e.length;s++)r.push(n|e[s]>>>t),n=e[s]<<32-t;const s=e.length?e[e.length-1]:0,i=C.i(s);return r.push(C.h(t+i&31,t+i>32?n:r.pop(),1)),r}},I={p:{m(e){const t=C.l(e)/8,n=new i(t);let r;for(let s=0;t>s;s++)0==(3&s)&&(r=e[s/4]),n[s]=r>>>24,r<<=8;return n},g(e){const t=[];let n,r=0;for(n=0;n<e.length;n++)r=r<<8|e[n],3==(3&n)&&(t.push(r),r=0);return 3&n&&t.push(C.h(8*(3&n),r)),t}}},x={getRandomValues(e){const t=new c(e.buffer),n=e=>{let t=987654321;const n=4294967295;return()=>(t=36969*(65535&t)+(t>>16)&n,(((t<<16)+(e=18e3*(65535&e)+(e>>16)&n)&n)/4294967296+.5)*(r.random()>.5?1:-1))};for(let s,i=0;i<e.length;i+=4){const e=n(4294967296*(s||r.random()));s=987654071*e(),t[i/4]=4294967296*e()|0}return e}},_={importKey:e=>new _.k(I.p.g(e)),v(e,t,n,r){if(n=n||1e4,0>r||0>n)throw new s("invalid params to pbkdf2");const i=1+(r>>5)<<2;let o,c,f,a,u;const w=new ArrayBuffer(i),h=new l(w);let d=0;const p=C;for(t=I.p.g(t),u=1;(i||1)>d;u++){for(o=c=e.encrypt(p.concat(t,[u])),f=1;n>f;f++)for(c=e.encrypt(c),a=0;a<c.length;a++)o[a]^=c[a];for(f=0;(i||1)>d&&f<o.length;f++)h.setInt32(d,o[f]),d+=4}return w.slice(0,r/8)},k:class{constructor(t){const n=this,i=n.S=class{constructor(e){const t=this;t.blockSize=512,t.C=[1732584193,4023233417,2562383102,271733878,3285377520],t.I=[1518500249,1859775393,2400959708,3395469782],e?(t._=e._.slice(0),t.A=e.A.slice(0),t.D=e.D):t.reset()}reset(){const e=this;return e._=e.C.slice(0),e.A=[],e.D=0,e}update(e){const t=this;"string"==typeof e&&(e=I.V.g(e));const n=t.A=C.concat(t.A,e),r=t.D,i=t.D=r+C.l(e);if(i>9007199254740991)throw new s("Cannot hash more than 2^53 - 1 bits");const o=new c(n);let f=0;for(let e=t.blockSize+r-(t.blockSize+r&t.blockSize-1);i>=e;e+=t.blockSize)t.R(o.subarray(16*f,16*(f+1))),f+=1;return n.splice(0,16*f),t}B(){const e=this;let t=e.A;const n=e._;t=C.concat(t,[C.h(1,1)]);for(let e=t.length+2;15&e;e++)t.push(0);for(t.push(r.floor(e.D/4294967296)),t.push(0|e.D);t.length;)e.R(t.splice(0,16));return e.reset(),n}M(e,t,n,r){return e>19?e>39?e>59?e>79?void 0:t^n^r:t&n|t&r|n&r:t^n^r:t&n|~t&r}K(e,t){return t<<e|t>>>32-e}R(t){const n=this,s=n._,i=e(80);for(let e=0;16>e;e++)i[e]=t[e];let o=s[0],c=s[1],f=s[2],a=s[3],l=s[4];for(let e=0;79>=e;e++){16>e||(i[e]=n.K(1,i[e-3]^i[e-8]^i[e-14]^i[e-16]));const t=n.K(5,o)+n.M(e,c,f,a)+l+i[e]+n.I[r.floor(e/20)]|0;l=a,a=f,f=n.K(30,c),c=o,o=t}s[0]=s[0]+o|0,s[1]=s[1]+c|0,s[2]=s[2]+f|0,s[3]=s[3]+a|0,s[4]=s[4]+l|0}},o=[[],[]];n.P=[new i,new i];const f=n.P[0].blockSize/32;t.length>f&&(t=i.hash(t));for(let e=0;f>e;e++)o[0][e]=909522486^t[e],o[1][e]=1549556828^t[e];n.P[0].update(o[0]),n.P[1].update(o[1]),n.U=new i(n.P[0])}reset(){const e=this;e.U=new e.S(e.P[0]),e.N=!1}update(e){this.N=!0,this.U.update(e)}digest(){const e=this,t=e.U.B(),n=new e.S(e.P[1]).update(t).B();return e.reset(),n}encrypt(e){if(this.N)throw new s("encrypt on already updated hmac called!");return this.update(e),this.digest(e)}}},A=void 0!==h&&"function"==typeof h.getRandomValues;function D(e){return A?h.getRandomValues(e):x.getRandomValues(e)}const V={name:"PBKDF2"},R=t.assign({hash:{name:"HMAC"}},V),B=t.assign({iterations:1e3,hash:{name:"SHA-1"}},V),E=["deriveBits"],M=[8,12,16],K=[16,24,32],P=[0,0,0,0],U=void 0!==h,N=U&&h.subtle,T=U&&void 0!==N,W=I.p,H=class{constructor(e){const t=this;t.T=[[[],[],[],[],[]],[[],[],[],[],[]]],t.T[0][0][0]||t.W();const n=t.T[0][4],r=t.T[1],i=e.length;let o,c,f,a=1;if(4!==i&&6!==i&&8!==i)throw new s("invalid aes key size");for(t.I=[c=e.slice(0),f=[]],o=i;4*i+28>o;o++){let e=c[o-1];(o%i==0||8===i&&o%i==4)&&(e=n[e>>>24]<<24^n[e>>16&255]<<16^n[e>>8&255]<<8^n[255&e],o%i==0&&(e=e<<8^e>>>24^a<<24,a=a<<1^283*(a>>7))),c[o]=c[o-i]^e}for(let e=0;o;e++,o--){const t=c[3&e?o:o-4];f[e]=4>=o||4>e?t:r[0][n[t>>>24]]^r[1][n[t>>16&255]]^r[2][n[t>>8&255]]^r[3][n[255&t]]}}encrypt(e){return this.H(e,0)}decrypt(e){return this.H(e,1)}W(){const e=this.T[0],t=this.T[1],n=e[4],r=t[4],s=[],i=[];let o,c,f,a;for(let e=0;256>e;e++)i[(s[e]=e<<1^283*(e>>7))^e]=e;for(let l=o=0;!n[l];l^=c||1,o=i[o]||1){let i=o^o<<1^o<<2^o<<3^o<<4;i=i>>8^255&i^99,n[l]=i,r[i]=l,a=s[f=s[c=s[l]]];let u=16843009*a^65537*f^257*c^16843008*l,w=257*s[i]^16843008*i;for(let n=0;4>n;n++)e[n][l]=w=w<<24^w>>>8,t[n][i]=u=u<<24^u>>>8}for(let n=0;5>n;n++)e[n]=e[n].slice(0),t[n]=t[n].slice(0)}H(e,t){if(4!==e.length)throw new s("invalid aes block size");const n=this.I[t],r=n.length/4-2,i=[0,0,0,0],o=this.T[t],c=o[0],f=o[1],a=o[2],l=o[3],u=o[4];let w,h,d,p=e[0]^n[0],y=e[t?3:1]^n[1],m=e[2]^n[2],b=e[t?1:3]^n[3],g=4;for(let e=0;r>e;e++)w=c[p>>>24]^f[y>>16&255]^a[m>>8&255]^l[255&b]^n[g],h=c[y>>>24]^f[m>>16&255]^a[b>>8&255]^l[255&p]^n[g+1],d=c[m>>>24]^f[b>>16&255]^a[p>>8&255]^l[255&y]^n[g+2],b=c[b>>>24]^f[p>>16&255]^a[y>>8&255]^l[255&m]^n[g+3],g+=4,p=w,y=h,m=d;for(let e=0;4>e;e++)i[t?3&-e:e]=u[p>>>24]<<24^u[y>>16&255]<<16^u[m>>8&255]<<8^u[255&b]^n[g++],w=p,p=y,y=m,m=b,b=w;return i}},L=class{constructor(e,t){this.L=e,this.j=t,this.F=t}reset(){this.F=this.j}update(e){return this.O(this.L,e,this.F)}q(e){if(255==(e>>24&255)){let t=e>>16&255,n=e>>8&255,r=255&e;255===t?(t=0,255===n?(n=0,255===r?r=0:++r):++n):++t,e=0,e+=t<<16,e+=n<<8,e+=r}else e+=1<<24;return e}G(e){0===(e[0]=this.q(e[0]))&&(e[1]=this.q(e[1]))}O(e,t,n){let r;if(!(r=t.length))return[];const s=C.l(t);for(let s=0;r>s;s+=4){this.G(n);const r=e.encrypt(n);t[s]^=r[0],t[s+1]^=r[1],t[s+2]^=r[2],t[s+3]^=r[3]}return C.u(t,s)}},j=_.k;let F=U&&T&&"function"==typeof N.importKey,O=U&&T&&"function"==typeof N.deriveBits;class q extends p{constructor({password:e,signed:n,encryptionStrength:r}){super({start(){t.assign(this,{ready:new u((e=>this.J=e)),password:e,signed:n,X:r-1,pending:new i})},async transform(e,t){const n=this,{password:r,X:o,J:c,ready:f}=n;r?(await(async(e,t,n,r)=>{const i=await Q(e,t,n,Y(r,0,M[t])),o=Y(r,M[t]);if(i[0]!=o[0]||i[1]!=o[1])throw new s("Invalid password")})(n,o,r,Y(e,0,M[o]+2)),e=Y(e,M[o]+2),c()):await f;const a=new i(e.length-10-(e.length-10)%16);t.enqueue(J(n,e,a,0,10,!0))},async flush(e){const{signed:t,Y:n,Z:r,pending:o,ready:c}=this;await c;const f=Y(o,0,o.length-10),a=Y(o,o.length-10);let l=new i;if(f.length){const e=$(W,f);r.update(e);const t=n.update(e);l=Z(W,t)}if(t){const e=Y(Z(W,r.digest()),0,10);for(let t=0;10>t;t++)if(e[t]!=a[t])throw new s("Invalid signature")}e.enqueue(l)}})}}class G extends p{constructor({password:e,encryptionStrength:n}){let r;super({start(){t.assign(this,{ready:new u((e=>this.J=e)),password:e,X:n-1,pending:new i})},async transform(e,t){const n=this,{password:r,X:s,J:o,ready:c}=n;let f=new i;r?(f=await(async(e,t,n)=>{const r=D(new i(M[t]));return X(r,await Q(e,t,n,r))})(n,s,r),o()):await c;const a=new i(f.length+e.length-e.length%16);a.set(f,0),t.enqueue(J(n,e,a,f.length,0))},async flush(e){const{Y:t,Z:n,pending:s,ready:o}=this;await o;let c=new i;if(s.length){const e=t.update($(W,s));n.update(e),c=Z(W,e)}r.signature=Z(W,n.digest()).slice(0,10),e.enqueue(X(c,r.signature))}}),r=this}}function J(e,t,n,r,s,o){const{Y:c,Z:f,pending:a}=e,l=t.length-s;let u;for(a.length&&(t=X(a,t),n=((e,t)=>{if(t&&t>e.length){const n=e;(e=new i(t)).set(n,0)}return e})(n,l-l%16)),u=0;l-16>=u;u+=16){const e=$(W,Y(t,u,u+16));o&&f.update(e);const s=c.update(e);o||f.update(s),n.set(Z(W,s),u+r)}return e.pending=Y(t,u),n}async function Q(n,r,s,o){n.password=null;const c=(e=>{if(void 0===w){const t=new i((e=unescape(encodeURIComponent(e))).length);for(let n=0;n<t.length;n++)t[n]=e.charCodeAt(n);return t}return(new w).encode(e)})(s),f=await(async(e,t,n,r,s)=>{if(!F)return _.importKey(t);try{return await N.importKey("raw",t,n,!1,s)}catch(e){return F=!1,_.importKey(t)}})(0,c,R,0,E),a=await(async(e,t,n)=>{if(!O)return _.v(t,e.salt,B.iterations,n);try{return await N.deriveBits(e,t,n)}catch(r){return O=!1,_.v(t,e.salt,B.iterations,n)}})(t.assign({salt:o},B),f,8*(2*K[r]+2)),l=new i(a),u=$(W,Y(l,0,K[r])),h=$(W,Y(l,K[r],2*K[r])),d=Y(l,2*K[r]);return t.assign(n,{keys:{key:u,$:h,passwordVerification:d},Y:new L(new H(u),e.from(P)),Z:new j(h)}),d}function X(e,t){let n=e;return e.length+t.length&&(n=new i(e.length+t.length),n.set(e,0),n.set(t,e.length)),n}function Y(e,t,n){return e.subarray(t,n)}function Z(e,t){return e.m(t)}function $(e,t){return e.g(t)}class ee extends p{constructor({password:e,passwordVerification:n}){super({start(){t.assign(this,{password:e,passwordVerification:n}),se(this,e)},transform(e,t){const n=this;if(n.password){const t=ne(n,e.subarray(0,12));if(n.password=null,t[11]!=n.passwordVerification)throw new s("Invalid password");e=e.subarray(12)}t.enqueue(ne(n,e))}})}}class te extends p{constructor({password:e,passwordVerification:n}){super({start(){t.assign(this,{password:e,passwordVerification:n}),se(this,e)},transform(e,t){const n=this;let r,s;if(n.password){n.password=null;const t=D(new i(12));t[11]=n.passwordVerification,r=new i(e.length+t.length),r.set(re(n,t),0),s=12}else r=new i(e.length),s=0;r.set(re(n,e),s),t.enqueue(r)}})}}function ne(e,t){const n=new i(t.length);for(let r=0;r<t.length;r++)n[r]=oe(e)^t[r],ie(e,n[r]);return n}function re(e,t){const n=new i(t.length);for(let r=0;r<t.length;r++)n[r]=oe(e)^t[r],ie(e,t[r]);return n}function se(e,n){const r=[305419896,591751049,878082192];t.assign(e,{keys:r,ee:new S(r[0]),te:new S(r[2])});for(let t=0;t<n.length;t++)ie(e,n.charCodeAt(t))}function ie(e,t){let[n,s,i]=e.keys;e.ee.append([t]),n=~e.ee.get(),s=fe(r.imul(fe(s+ce(n)),134775813)+1),e.te.append([s>>>24]),i=~e.te.get(),e.keys=[n,s,i]}function oe(e){const t=2|e.keys[2];return ce(r.imul(t,1^t)>>>8)}function ce(e){return 255&e}function fe(e){return 4294967295&e}class ae extends p{constructor(e,{chunkSize:t,CompressionStream:n,CompressionStreamNative:r}){super({});const{compressed:s,encrypted:i,useCompressionStream:o,zipCrypto:c,signed:f,level:a}=e,u=this;let w,h,d=ue(super.readable);i&&!c||!f||([d,w]=d.tee(),w=de(w,new z)),s&&(d=he(d,o,{level:a,chunkSize:t},r,n)),i&&(c?d=de(d,new te(e)):(h=new G(e),d=de(d,h))),we(u,d,(async()=>{let e;i&&!c&&(e=h.signature),i&&!c||!f||(e=await w.getReader().read(),e=new l(e.value.buffer).getUint32(0)),u.signature=e}))}}class le extends p{constructor(e,{chunkSize:t,DecompressionStream:n,DecompressionStreamNative:r}){super({});const{zipCrypto:i,encrypted:o,signed:c,signature:f,compressed:a,useCompressionStream:u}=e;let w,h,d=ue(super.readable);o&&(i?d=de(d,new ee(e)):(h=new q(e),d=de(d,h))),a&&(d=he(d,u,{chunkSize:t},r,n)),o&&!i||!c||([d,w]=d.tee(),w=de(w,new z)),we(this,d,(async()=>{if((!o||i)&&c){const e=await w.getReader().read(),t=new l(e.value.buffer);if(f!=t.getUint32(0,!1))throw new s("Invalid signature")}}))}}function ue(e){return de(e,new p({transform(e,t){e&&e.length&&t.enqueue(e)}}))}function we(e,n,r){n=de(n,new p({flush:r})),t.defineProperty(e,"readable",{get:()=>n})}function he(e,t,n,r,s){try{e=de(e,new(t&&r?r:s)("deflate-raw",n))}catch(r){if(!t)throw r;e=de(e,new s("deflate-raw",n))}return e}function de(e,t){return e.pipeThrough(t)}class pe extends p{constructor(e,n){super({});const r=this,{codecType:s}=e;let i;s.startsWith("deflate")?i=ae:s.startsWith("inflate")&&(i=le);let o=0;const c=new i(e,n),f=super.readable,a=new p({transform(e,t){e&&e.length&&(o+=e.length,t.enqueue(e))},flush(){const{signature:e}=c;t.assign(r,{signature:e,size:o})}});t.defineProperty(r,"readable",{get:()=>f.pipeThrough(c).pipeThrough(a)})}}const ye=new a,me=new a;let be=0;async function ge(e){try{const{options:t,scripts:r,config:s}=e;r&&r.length&&importScripts.apply(void 0,r),self.initCodec&&self.initCodec(),s.CompressionStreamNative=self.CompressionStream,s.DecompressionStreamNative=self.DecompressionStream,self.Deflate&&(s.CompressionStream=new k(self.Deflate)),self.Inflate&&(s.DecompressionStream=new k(self.Inflate));const i={highWaterMark:1,size:()=>s.chunkSize},o=e.readable||new y({async pull(e){const t=new u((e=>ye.set(be,e)));ke({type:"pull",messageId:be}),be=(be+1)%n.MAX_SAFE_INTEGER;const{value:r,done:s}=await t;e.enqueue(r),s&&e.close()}},i),c=e.writable||new m({async write(e){let t;const r=new u((e=>t=e));me.set(be,t),ke({type:"data",value:e,messageId:be}),be=(be+1)%n.MAX_SAFE_INTEGER,await r}},i),f=new pe(t,s);await o.pipeThrough(f).pipeTo(c,{preventAbort:!0});try{await c.close()}catch(e){}const{signature:a,size:l}=f;ke({type:"close",result:{signature:a,size:l}})}catch(e){ve(e)}}function ke(e){let{value:t}=e;if(t)if(t.length)try{t=new i(t),e.value=t.buffer,d(e,[e.value])}catch(t){d(e)}else d(e);else d(e)}function ve(e){const{message:t,stack:n,code:r,name:s}=e;d({error:{message:t,stack:n,code:r,name:s}})}function Se(t){return ze(t.map((([t,n])=>new e(t).fill(n,0,t))))}function ze(t){return t.reduce(((t,n)=>t.concat(e.isArray(n)?ze(n):n)),[])}addEventListener("message",(({data:e})=>{const{type:t,messageId:n,value:r,done:s}=e;try{if("start"==t&&ge(e),"data"==t){const e=ye.get(n);ye.delete(n),e({value:new i(r),done:s})}if("ack"==t){const e=me.get(n);me.delete(n),e()}}catch(e){ve(e)}}));const Ce=[0,1,2,3].concat(...Se([[2,4],[2,5],[4,6],[4,7],[8,8],[8,9],[16,10],[16,11],[32,12],[32,13],[64,14],[64,15],[2,0],[1,16],[1,17],[2,18],[2,19],[4,20],[4,21],[8,22],[8,23],[16,24],[16,25],[32,26],[32,27],[64,28],[64,29]]));function Ie(){const e=this;function t(e,t){let n=0;do{n|=1&e,e>>>=1,n<<=1}while(--t>0);return n>>>1}e.ne=n=>{const s=e.re,i=e.ie.se,o=e.ie.oe;let c,f,a,l=-1;for(n.ce=0,n.fe=573,c=0;o>c;c++)0!==s[2*c]?(n.ae[++n.ce]=l=c,n.le[c]=0):s[2*c+1]=0;for(;2>n.ce;)a=n.ae[++n.ce]=2>l?++l:0,s[2*a]=1,n.le[a]=0,n.ue--,i&&(n.we-=i[2*a+1]);for(e.he=l,c=r.floor(n.ce/2);c>=1;c--)n.de(s,c);a=o;do{c=n.ae[1],n.ae[1]=n.ae[n.ce--],n.de(s,1),f=n.ae[1],n.ae[--n.fe]=c,n.ae[--n.fe]=f,s[2*a]=s[2*c]+s[2*f],n.le[a]=r.max(n.le[c],n.le[f])+1,s[2*c+1]=s[2*f+1]=a,n.ae[1]=a++,n.de(s,1)}while(n.ce>=2);n.ae[--n.fe]=n.ae[1],(t=>{const n=e.re,r=e.ie.se,s=e.ie.pe,i=e.ie.ye,o=e.ie.me;let c,f,a,l,u,w,h=0;for(l=0;15>=l;l++)t.be[l]=0;for(n[2*t.ae[t.fe]+1]=0,c=t.fe+1;573>c;c++)f=t.ae[c],l=n[2*n[2*f+1]+1]+1,l>o&&(l=o,h++),n[2*f+1]=l,f>e.he||(t.be[l]++,u=0,i>f||(u=s[f-i]),w=n[2*f],t.ue+=w*(l+u),r&&(t.we+=w*(r[2*f+1]+u)));if(0!==h){do{for(l=o-1;0===t.be[l];)l--;t.be[l]--,t.be[l+1]+=2,t.be[o]--,h-=2}while(h>0);for(l=o;0!==l;l--)for(f=t.be[l];0!==f;)a=t.ae[--c],a>e.he||(n[2*a+1]!=l&&(t.ue+=(l-n[2*a+1])*n[2*a],n[2*a+1]=l),f--)}})(n),((e,n,r)=>{const s=[];let i,o,c,f=0;for(i=1;15>=i;i++)s[i]=f=f+r[i-1]<<1;for(o=0;n>=o;o++)c=e[2*o+1],0!==c&&(e[2*o]=t(s[c]++,c))})(s,e.he,n.be)}}function xe(e,t,n,r,s){const i=this;i.se=e,i.pe=t,i.ye=n,i.oe=r,i.me=s}Ie.ge=[0,1,2,3,4,5,6,7].concat(...Se([[2,8],[2,9],[2,10],[2,11],[4,12],[4,13],[4,14],[4,15],[8,16],[8,17],[8,18],[8,19],[16,20],[16,21],[16,22],[16,23],[32,24],[32,25],[32,26],[31,27],[1,28]])),Ie.ke=[0,1,2,3,4,5,6,7,8,10,12,14,16,20,24,28,32,40,48,56,64,80,96,112,128,160,192,224,0],Ie.ve=[0,1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,512,768,1024,1536,2048,3072,4096,6144,8192,12288,16384,24576],Ie.Se=e=>256>e?Ce[e]:Ce[256+(e>>>7)],Ie.ze=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],Ie.Ce=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],Ie.Ie=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],Ie.xe=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];const _e=Se([[144,8],[112,9],[24,7],[8,8]]);xe._e=ze([12,140,76,204,44,172,108,236,28,156,92,220,60,188,124,252,2,130,66,194,34,162,98,226,18,146,82,210,50,178,114,242,10,138,74,202,42,170,106,234,26,154,90,218,58,186,122,250,6,134,70,198,38,166,102,230,22,150,86,214,54,182,118,246,14,142,78,206,46,174,110,238,30,158,94,222,62,190,126,254,1,129,65,193,33,161,97,225,17,145,81,209,49,177,113,241,9,137,73,201,41,169,105,233,25,153,89,217,57,185,121,249,5,133,69,197,37,165,101,229,21,149,85,213,53,181,117,245,13,141,77,205,45,173,109,237,29,157,93,221,61,189,125,253,19,275,147,403,83,339,211,467,51,307,179,435,115,371,243,499,11,267,139,395,75,331,203,459,43,299,171,427,107,363,235,491,27,283,155,411,91,347,219,475,59,315,187,443,123,379,251,507,7,263,135,391,71,327,199,455,39,295,167,423,103,359,231,487,23,279,151,407,87,343,215,471,55,311,183,439,119,375,247,503,15,271,143,399,79,335,207,463,47,303,175,431,111,367,239,495,31,287,159,415,95,351,223,479,63,319,191,447,127,383,255,511,0,64,32,96,16,80,48,112,8,72,40,104,24,88,56,120,4,68,36,100,20,84,52,116,3,131,67,195,35,163,99,227].map(((e,t)=>[e,_e[t]])));const Ae=Se([[30,5]]);function De(e,t,n,r,s){const i=this;i.Ae=e,i.De=t,i.Ve=n,i.Re=r,i.Be=s}xe.Ee=ze([0,16,8,24,4,20,12,28,2,18,10,26,6,22,14,30,1,17,9,25,5,21,13,29,3,19,11,27,7,23].map(((e,t)=>[e,Ae[t]]))),xe.Me=new xe(xe._e,Ie.ze,257,286,15),xe.Ke=new xe(xe.Ee,Ie.Ce,0,30,15),xe.Pe=new xe(null,Ie.Ie,0,19,7);const Ve=[new De(0,0,0,0,0),new De(4,4,8,4,1),new De(4,5,16,8,1),new De(4,6,32,32,1),new De(4,4,16,16,2),new De(8,16,32,32,2),new De(8,16,128,128,2),new De(8,32,128,256,2),new De(32,128,258,1024,2),new De(32,258,258,4096,2)],Re=["need dictionary","stream end","","","stream error","data error","","buffer error","",""];function Be(e,t,n,r){const s=e[2*t],i=e[2*n];return i>s||s==i&&r[t]<=r[n]}function Ee(){const e=this;let t,n,s,c,f,a,l,u,w,h,d,p,y,m,b,g,k,v,S,z,C,I,x,_,A,D,V,R,B,E,M,K,P;const U=new Ie,N=new Ie,T=new Ie;let W,H,L,j,F,O;function q(){let t;for(t=0;286>t;t++)M[2*t]=0;for(t=0;30>t;t++)K[2*t]=0;for(t=0;19>t;t++)P[2*t]=0;M[512]=1,e.ue=e.we=0,H=L=0}function G(e,t){let n,r=-1,s=e[1],i=0,o=7,c=4;0===s&&(o=138,c=3),e[2*(t+1)+1]=65535;for(let f=0;t>=f;f++)n=s,s=e[2*(f+1)+1],++i<o&&n==s||(c>i?P[2*n]+=i:0!==n?(n!=r&&P[2*n]++,P[32]++):i>10?P[36]++:P[34]++,i=0,r=n,0===s?(o=138,c=3):n==s?(o=6,c=3):(o=7,c=4))}function J(t){e.Ue[e.pending++]=t}function Q(e){J(255&e),J(e>>>8&255)}function X(e,t){let n;const r=t;O>16-r?(n=e,F|=n<<O&65535,Q(F),F=n>>>16-O,O+=r-16):(F|=e<<O&65535,O+=r)}function Y(e,t){const n=2*e;X(65535&t[n],65535&t[n+1])}function Z(e,t){let n,r,s=-1,i=e[1],o=0,c=7,f=4;for(0===i&&(c=138,f=3),n=0;t>=n;n++)if(r=i,i=e[2*(n+1)+1],++o>=c||r!=i){if(f>o)do{Y(r,P)}while(0!=--o);else 0!==r?(r!=s&&(Y(r,P),o--),Y(16,P),X(o-3,2)):o>10?(Y(18,P),X(o-11,7)):(Y(17,P),X(o-3,3));o=0,s=r,0===i?(c=138,f=3):r==i?(c=6,f=3):(c=7,f=4)}}function $(){16==O?(Q(F),F=0,O=0):8>O||(J(255&F),F>>>=8,O-=8)}function ee(t,n){let s,i,o;if(e.Ne[H]=t,e.Te[H]=255&n,H++,0===t?M[2*n]++:(L++,t--,M[2*(Ie.ge[n]+256+1)]++,K[2*Ie.Se(t)]++),0==(8191&H)&&V>2){for(s=8*H,i=C-k,o=0;30>o;o++)s+=K[2*o]*(5+Ie.Ce[o]);if(s>>>=3,L<r.floor(H/2)&&s<r.floor(i/2))return!0}return H==W-1}function te(t,n){let r,s,i,o,c=0;if(0!==H)do{r=e.Ne[c],s=e.Te[c],c++,0===r?Y(s,t):(i=Ie.ge[s],Y(i+256+1,t),o=Ie.ze[i],0!==o&&(s-=Ie.ke[i],X(s,o)),r--,i=Ie.Se(r),Y(i,n),o=Ie.Ce[i],0!==o&&(r-=Ie.ve[i],X(r,o)))}while(H>c);Y(256,t),j=t[513]}function ne(){O>8?Q(F):O>0&&J(255&F),F=0,O=0}function re(t,n,r){X(0+(r?1:0),3),((t,n)=>{ne(),j=8,Q(n),Q(~n),e.Ue.set(u.subarray(t,t+n),e.pending),e.pending+=n})(t,n)}function se(n){((t,n,r)=>{let s,i,o=0;V>0?(U.ne(e),N.ne(e),o=(()=>{let t;for(G(M,U.he),G(K,N.he),T.ne(e),t=18;t>=3&&0===P[2*Ie.xe[t]+1];t--);return e.ue+=14+3*(t+1),t})(),s=e.ue+3+7>>>3,i=e.we+3+7>>>3,i>s||(s=i)):s=i=n+5,n+4>s||-1==t?i==s?(X(2+(r?1:0),3),te(xe._e,xe.Ee)):(X(4+(r?1:0),3),((e,t,n)=>{let r;for(X(e-257,5),X(t-1,5),X(n-4,4),r=0;n>r;r++)X(P[2*Ie.xe[r]+1],3);Z(M,e-1),Z(K,t-1)})(U.he+1,N.he+1,o+1),te(M,K)):re(t,n,r),q(),r&&ne()})(0>k?-1:k,C-k,n),k=C,t.We()}function ie(){let e,n,r,s;do{if(s=w-x-C,0===s&&0===C&&0===x)s=f;else if(-1==s)s--;else if(C>=f+f-262){u.set(u.subarray(f,f+f),0),I-=f,C-=f,k-=f,e=y,r=e;do{n=65535&d[--r],d[r]=f>n?0:n-f}while(0!=--e);e=f,r=e;do{n=65535&h[--r],h[r]=f>n?0:n-f}while(0!=--e);s+=f}if(0===t.He)return;e=t.Le(u,C+x,s),x+=e,3>x||(p=255&u[C],p=(p<<g^255&u[C+1])&b)}while(262>x&&0!==t.He)}function oe(e){let t,n,r=A,s=C,i=_;const o=C>f-262?C-(f-262):0;let c=E;const a=l,w=C+258;let d=u[s+i-1],p=u[s+i];B>_||(r>>=2),c>x&&(c=x);do{if(t=e,u[t+i]==p&&u[t+i-1]==d&&u[t]==u[s]&&u[++t]==u[s+1]){s+=2,t++;do{}while(u[++s]==u[++t]&&u[++s]==u[++t]&&u[++s]==u[++t]&&u[++s]==u[++t]&&u[++s]==u[++t]&&u[++s]==u[++t]&&u[++s]==u[++t]&&u[++s]==u[++t]&&w>s);if(n=258-(w-s),s=w-258,n>i){if(I=e,i=n,n>=c)break;d=u[s+i-1],p=u[s+i]}}}while((e=65535&h[e&a])>o&&0!=--r);return i>x?x:i}e.le=[],e.be=[],e.ae=[],M=[],K=[],P=[],e.de=(t,n)=>{const r=e.ae,s=r[n];let i=n<<1;for(;i<=e.ce&&(i<e.ce&&Be(t,r[i+1],r[i],e.le)&&i++,!Be(t,s,r[i],e.le));)r[n]=r[i],n=i,i<<=1;r[n]=s},e.je=(t,S,I,H,L,G)=>(H||(H=8),L||(L=8),G||(G=0),t.Fe=null,-1==S&&(S=6),1>L||L>9||8!=H||9>I||I>15||0>S||S>9||0>G||G>2?-2:(t.Oe=e,a=I,f=1<<a,l=f-1,m=L+7,y=1<<m,b=y-1,g=r.floor((m+3-1)/3),u=new i(2*f),h=[],d=[],W=1<<L+6,e.Ue=new i(4*W),s=4*W,e.Ne=new o(W),e.Te=new i(W),V=S,R=G,(t=>(t.qe=t.Ge=0,t.Fe=null,e.pending=0,e.Je=0,n=113,c=0,U.re=M,U.ie=xe.Me,N.re=K,N.ie=xe.Ke,T.re=P,T.ie=xe.Pe,F=0,O=0,j=8,q(),(()=>{w=2*f,d[y-1]=0;for(let e=0;y-1>e;e++)d[e]=0;D=Ve[V].De,B=Ve[V].Ae,E=Ve[V].Ve,A=Ve[V].Re,C=0,k=0,x=0,v=_=2,z=0,p=0})(),0))(t))),e.Qe=()=>42!=n&&113!=n&&666!=n?-2:(e.Te=null,e.Ne=null,e.Ue=null,d=null,h=null,u=null,e.Oe=null,113==n?-3:0),e.Xe=(e,t,n)=>{let r=0;return-1==t&&(t=6),0>t||t>9||0>n||n>2?-2:(Ve[V].Be!=Ve[t].Be&&0!==e.qe&&(r=e.Ye(1)),V!=t&&(V=t,D=Ve[V].De,B=Ve[V].Ae,E=Ve[V].Ve,A=Ve[V].Re),R=n,r)},e.Ze=(e,t,r)=>{let s,i=r,o=0;if(!t||42!=n)return-2;if(3>i)return 0;for(i>f-262&&(i=f-262,o=r-i),u.set(t.subarray(o,o+i),0),C=i,k=i,p=255&u[0],p=(p<<g^255&u[1])&b,s=0;i-3>=s;s++)p=(p<<g^255&u[s+2])&b,h[s&l]=d[p],d[p]=s;return 0},e.Ye=(r,i)=>{let o,w,m,A,B;if(i>4||0>i)return-2;if(!r.$e||!r.et&&0!==r.He||666==n&&4!=i)return r.Fe=Re[4],-2;if(0===r.tt)return r.Fe=Re[7],-5;var E;if(t=r,A=c,c=i,42==n&&(w=8+(a-8<<4)<<8,m=(V-1&255)>>1,m>3&&(m=3),w|=m<<6,0!==C&&(w|=32),w+=31-w%31,n=113,J((E=w)>>8&255),J(255&E)),0!==e.pending){if(t.We(),0===t.tt)return c=-1,0}else if(0===t.He&&A>=i&&4!=i)return t.Fe=Re[7],-5;if(666==n&&0!==t.He)return r.Fe=Re[7],-5;if(0!==t.He||0!==x||0!=i&&666!=n){switch(B=-1,Ve[V].Be){case 0:B=(e=>{let n,r=65535;for(r>s-5&&(r=s-5);;){if(1>=x){if(ie(),0===x&&0==e)return 0;if(0===x)break}if(C+=x,x=0,n=k+r,(0===C||C>=n)&&(x=C-n,C=n,se(!1),0===t.tt))return 0;if(C-k>=f-262&&(se(!1),0===t.tt))return 0}return se(4==e),0===t.tt?4==e?2:0:4==e?3:1})(i);break;case 1:B=(e=>{let n,r=0;for(;;){if(262>x){if(ie(),262>x&&0==e)return 0;if(0===x)break}if(3>x||(p=(p<<g^255&u[C+2])&b,r=65535&d[p],h[C&l]=d[p],d[p]=C),0===r||(C-r&65535)>f-262||2!=R&&(v=oe(r)),3>v)n=ee(0,255&u[C]),x--,C++;else if(n=ee(C-I,v-3),x-=v,v>D||3>x)C+=v,v=0,p=255&u[C],p=(p<<g^255&u[C+1])&b;else{v--;do{C++,p=(p<<g^255&u[C+2])&b,r=65535&d[p],h[C&l]=d[p],d[p]=C}while(0!=--v);C++}if(n&&(se(!1),0===t.tt))return 0}return se(4==e),0===t.tt?4==e?2:0:4==e?3:1})(i);break;case 2:B=(e=>{let n,r,s=0;for(;;){if(262>x){if(ie(),262>x&&0==e)return 0;if(0===x)break}if(3>x||(p=(p<<g^255&u[C+2])&b,s=65535&d[p],h[C&l]=d[p],d[p]=C),_=v,S=I,v=2,0!==s&&D>_&&f-262>=(C-s&65535)&&(2!=R&&(v=oe(s)),5>=v&&(1==R||3==v&&C-I>4096)&&(v=2)),3>_||v>_)if(0!==z){if(n=ee(0,255&u[C-1]),n&&se(!1),C++,x--,0===t.tt)return 0}else z=1,C++,x--;else{r=C+x-3,n=ee(C-1-S,_-3),x-=_-1,_-=2;do{++C>r||(p=(p<<g^255&u[C+2])&b,s=65535&d[p],h[C&l]=d[p],d[p]=C)}while(0!=--_);if(z=0,v=2,C++,n&&(se(!1),0===t.tt))return 0}}return 0!==z&&(n=ee(0,255&u[C-1]),z=0),se(4==e),0===t.tt?4==e?2:0:4==e?3:1})(i)}if(2!=B&&3!=B||(n=666),0==B||2==B)return 0===t.tt&&(c=-1),0;if(1==B){if(1==i)X(2,3),Y(256,xe._e),$(),9>1+j+10-O&&(X(2,3),Y(256,xe._e),$()),j=7;else if(re(0,0,!1),3==i)for(o=0;y>o;o++)d[o]=0;if(t.We(),0===t.tt)return c=-1,0}}return 4!=i?0:1}}function Me(){const e=this;e.nt=0,e.rt=0,e.He=0,e.qe=0,e.tt=0,e.Ge=0}function Ke(e){const t=new Me,n=(o=e&&e.chunkSize?e.chunkSize:65536)+5*(r.floor(o/16383)+1);var o;const c=new i(n);let f=e?e.level:-1;void 0===f&&(f=-1),t.je(f),t.$e=c,this.append=(e,r)=>{let o,f,a=0,l=0,u=0;const w=[];if(e.length){t.nt=0,t.et=e,t.He=e.length;do{if(t.rt=0,t.tt=n,o=t.Ye(0),0!=o)throw new s("deflating: "+t.Fe);t.rt&&(t.rt==n?w.push(new i(c)):w.push(c.slice(0,t.rt))),u+=t.rt,r&&t.nt>0&&t.nt!=a&&(r(t.nt),a=t.nt)}while(t.He>0||0===t.tt);return w.length>1?(f=new i(u),w.forEach((e=>{f.set(e,l),l+=e.length}))):f=w[0]||new i,f}},this.flush=()=>{let e,r,o=0,f=0;const a=[];do{if(t.rt=0,t.tt=n,e=t.Ye(4),1!=e&&0!=e)throw new s("deflating: "+t.Fe);n-t.tt>0&&a.push(c.slice(0,t.rt)),f+=t.rt}while(t.He>0||0===t.tt);return t.Qe(),r=new i(f),a.forEach((e=>{r.set(e,o),o+=e.length})),r}}Me.prototype={je(e,t){const n=this;return n.Oe=new Ee,t||(t=15),n.Oe.je(n,e,t)},Ye(e){const t=this;return t.Oe?t.Oe.Ye(t,e):-2},Qe(){const e=this;if(!e.Oe)return-2;const t=e.Oe.Qe();return e.Oe=null,t},Xe(e,t){const n=this;return n.Oe?n.Oe.Xe(n,e,t):-2},Ze(e,t){const n=this;return n.Oe?n.Oe.Ze(n,e,t):-2},Le(e,t,n){const r=this;let s=r.He;return s>n&&(s=n),0===s?0:(r.He-=s,e.set(r.et.subarray(r.nt,r.nt+s),t),r.nt+=s,r.qe+=s,s)},We(){const e=this;let t=e.Oe.pending;t>e.tt&&(t=e.tt),0!==t&&(e.$e.set(e.Oe.Ue.subarray(e.Oe.Je,e.Oe.Je+t),e.rt),e.rt+=t,e.Oe.Je+=t,e.Ge+=t,e.tt-=t,e.Oe.pending-=t,0===e.Oe.pending&&(e.Oe.Je=0))}};const Pe=[0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535],Ue=[96,7,256,0,8,80,0,8,16,84,8,115,82,7,31,0,8,112,0,8,48,0,9,192,80,7,10,0,8,96,0,8,32,0,9,160,0,8,0,0,8,128,0,8,64,0,9,224,80,7,6,0,8,88,0,8,24,0,9,144,83,7,59,0,8,120,0,8,56,0,9,208,81,7,17,0,8,104,0,8,40,0,9,176,0,8,8,0,8,136,0,8,72,0,9,240,80,7,4,0,8,84,0,8,20,85,8,227,83,7,43,0,8,116,0,8,52,0,9,200,81,7,13,0,8,100,0,8,36,0,9,168,0,8,4,0,8,132,0,8,68,0,9,232,80,7,8,0,8,92,0,8,28,0,9,152,84,7,83,0,8,124,0,8,60,0,9,216,82,7,23,0,8,108,0,8,44,0,9,184,0,8,12,0,8,140,0,8,76,0,9,248,80,7,3,0,8,82,0,8,18,85,8,163,83,7,35,0,8,114,0,8,50,0,9,196,81,7,11,0,8,98,0,8,34,0,9,164,0,8,2,0,8,130,0,8,66,0,9,228,80,7,7,0,8,90,0,8,26,0,9,148,84,7,67,0,8,122,0,8,58,0,9,212,82,7,19,0,8,106,0,8,42,0,9,180,0,8,10,0,8,138,0,8,74,0,9,244,80,7,5,0,8,86,0,8,22,192,8,0,83,7,51,0,8,118,0,8,54,0,9,204,81,7,15,0,8,102,0,8,38,0,9,172,0,8,6,0,8,134,0,8,70,0,9,236,80,7,9,0,8,94,0,8,30,0,9,156,84,7,99,0,8,126,0,8,62,0,9,220,82,7,27,0,8,110,0,8,46,0,9,188,0,8,14,0,8,142,0,8,78,0,9,252,96,7,256,0,8,81,0,8,17,85,8,131,82,7,31,0,8,113,0,8,49,0,9,194,80,7,10,0,8,97,0,8,33,0,9,162,0,8,1,0,8,129,0,8,65,0,9,226,80,7,6,0,8,89,0,8,25,0,9,146,83,7,59,0,8,121,0,8,57,0,9,210,81,7,17,0,8,105,0,8,41,0,9,178,0,8,9,0,8,137,0,8,73,0,9,242,80,7,4,0,8,85,0,8,21,80,8,258,83,7,43,0,8,117,0,8,53,0,9,202,81,7,13,0,8,101,0,8,37,0,9,170,0,8,5,0,8,133,0,8,69,0,9,234,80,7,8,0,8,93,0,8,29,0,9,154,84,7,83,0,8,125,0,8,61,0,9,218,82,7,23,0,8,109,0,8,45,0,9,186,0,8,13,0,8,141,0,8,77,0,9,250,80,7,3,0,8,83,0,8,19,85,8,195,83,7,35,0,8,115,0,8,51,0,9,198,81,7,11,0,8,99,0,8,35,0,9,166,0,8,3,0,8,131,0,8,67,0,9,230,80,7,7,0,8,91,0,8,27,0,9,150,84,7,67,0,8,123,0,8,59,0,9,214,82,7,19,0,8,107,0,8,43,0,9,182,0,8,11,0,8,139,0,8,75,0,9,246,80,7,5,0,8,87,0,8,23,192,8,0,83,7,51,0,8,119,0,8,55,0,9,206,81,7,15,0,8,103,0,8,39,0,9,174,0,8,7,0,8,135,0,8,71,0,9,238,80,7,9,0,8,95,0,8,31,0,9,158,84,7,99,0,8,127,0,8,63,0,9,222,82,7,27,0,8,111,0,8,47,0,9,190,0,8,15,0,8,143,0,8,79,0,9,254,96,7,256,0,8,80,0,8,16,84,8,115,82,7,31,0,8,112,0,8,48,0,9,193,80,7,10,0,8,96,0,8,32,0,9,161,0,8,0,0,8,128,0,8,64,0,9,225,80,7,6,0,8,88,0,8,24,0,9,145,83,7,59,0,8,120,0,8,56,0,9,209,81,7,17,0,8,104,0,8,40,0,9,177,0,8,8,0,8,136,0,8,72,0,9,241,80,7,4,0,8,84,0,8,20,85,8,227,83,7,43,0,8,116,0,8,52,0,9,201,81,7,13,0,8,100,0,8,36,0,9,169,0,8,4,0,8,132,0,8,68,0,9,233,80,7,8,0,8,92,0,8,28,0,9,153,84,7,83,0,8,124,0,8,60,0,9,217,82,7,23,0,8,108,0,8,44,0,9,185,0,8,12,0,8,140,0,8,76,0,9,249,80,7,3,0,8,82,0,8,18,85,8,163,83,7,35,0,8,114,0,8,50,0,9,197,81,7,11,0,8,98,0,8,34,0,9,165,0,8,2,0,8,130,0,8,66,0,9,229,80,7,7,0,8,90,0,8,26,0,9,149,84,7,67,0,8,122,0,8,58,0,9,213,82,7,19,0,8,106,0,8,42,0,9,181,0,8,10,0,8,138,0,8,74,0,9,245,80,7,5,0,8,86,0,8,22,192,8,0,83,7,51,0,8,118,0,8,54,0,9,205,81,7,15,0,8,102,0,8,38,0,9,173,0,8,6,0,8,134,0,8,70,0,9,237,80,7,9,0,8,94,0,8,30,0,9,157,84,7,99,0,8,126,0,8,62,0,9,221,82,7,27,0,8,110,0,8,46,0,9,189,0,8,14,0,8,142,0,8,78,0,9,253,96,7,256,0,8,81,0,8,17,85,8,131,82,7,31,0,8,113,0,8,49,0,9,195,80,7,10,0,8,97,0,8,33,0,9,163,0,8,1,0,8,129,0,8,65,0,9,227,80,7,6,0,8,89,0,8,25,0,9,147,83,7,59,0,8,121,0,8,57,0,9,211,81,7,17,0,8,105,0,8,41,0,9,179,0,8,9,0,8,137,0,8,73,0,9,243,80,7,4,0,8,85,0,8,21,80,8,258,83,7,43,0,8,117,0,8,53,0,9,203,81,7,13,0,8,101,0,8,37,0,9,171,0,8,5,0,8,133,0,8,69,0,9,235,80,7,8,0,8,93,0,8,29,0,9,155,84,7,83,0,8,125,0,8,61,0,9,219,82,7,23,0,8,109,0,8,45,0,9,187,0,8,13,0,8,141,0,8,77,0,9,251,80,7,3,0,8,83,0,8,19,85,8,195,83,7,35,0,8,115,0,8,51,0,9,199,81,7,11,0,8,99,0,8,35,0,9,167,0,8,3,0,8,131,0,8,67,0,9,231,80,7,7,0,8,91,0,8,27,0,9,151,84,7,67,0,8,123,0,8,59,0,9,215,82,7,19,0,8,107,0,8,43,0,9,183,0,8,11,0,8,139,0,8,75,0,9,247,80,7,5,0,8,87,0,8,23,192,8,0,83,7,51,0,8,119,0,8,55,0,9,207,81,7,15,0,8,103,0,8,39,0,9,175,0,8,7,0,8,135,0,8,71,0,9,239,80,7,9,0,8,95,0,8,31,0,9,159,84,7,99,0,8,127,0,8,63,0,9,223,82,7,27,0,8,111,0,8,47,0,9,191,0,8,15,0,8,143,0,8,79,0,9,255],Ne=[80,5,1,87,5,257,83,5,17,91,5,4097,81,5,5,89,5,1025,85,5,65,93,5,16385,80,5,3,88,5,513,84,5,33,92,5,8193,82,5,9,90,5,2049,86,5,129,192,5,24577,80,5,2,87,5,385,83,5,25,91,5,6145,81,5,7,89,5,1537,85,5,97,93,5,24577,80,5,4,88,5,769,84,5,49,92,5,12289,82,5,13,90,5,3073,86,5,193,192,5,24577],Te=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],We=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,112,112],He=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],Le=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];function je(){let e,t,n,r,s,i;function o(e,t,o,c,f,a,l,u,w,h,d){let p,y,m,b,g,k,v,S,z,C,I,x,_,A,D;C=0,g=o;do{n[e[t+C]]++,C++,g--}while(0!==g);if(n[0]==o)return l[0]=-1,u[0]=0,0;for(S=u[0],k=1;15>=k&&0===n[k];k++);for(v=k,k>S&&(S=k),g=15;0!==g&&0===n[g];g--);for(m=g,S>g&&(S=g),u[0]=S,A=1<<k;g>k;k++,A<<=1)if(0>(A-=n[k]))return-3;if(0>(A-=n[g]))return-3;for(n[g]+=A,i[1]=k=0,C=1,_=2;0!=--g;)i[_]=k+=n[C],_++,C++;g=0,C=0;do{0!==(k=e[t+C])&&(d[i[k]++]=g),C++}while(++g<o);for(o=i[m],i[0]=g=0,C=0,b=-1,x=-S,s[0]=0,I=0,D=0;m>=v;v++)for(p=n[v];0!=p--;){for(;v>x+S;){if(b++,x+=S,D=m-x,D=D>S?S:D,(y=1<<(k=v-x))>p+1&&(y-=p+1,_=v,D>k))for(;++k<D&&(y<<=1)>n[++_];)y-=n[_];if(D=1<<k,h[0]+D>1440)return-3;s[b]=I=h[0],h[0]+=D,0!==b?(i[b]=g,r[0]=k,r[1]=S,k=g>>>x-S,r[2]=I-s[b-1]-k,w.set(r,3*(s[b-1]+k))):l[0]=I}for(r[1]=v-x,o>C?d[C]<c?(r[0]=256>d[C]?0:96,r[2]=d[C++]):(r[0]=a[d[C]-c]+16+64,r[2]=f[d[C++]-c]):r[0]=192,y=1<<v-x,k=g>>>x;D>k;k+=y)w.set(r,3*(I+k));for(k=1<<v-1;0!=(g&k);k>>>=1)g^=k;for(g^=k,z=(1<<x)-1;(g&z)!=i[b];)b--,x-=S,z=(1<<x)-1}return 0!==A&&1!=m?-5:0}function c(o){let c;for(e||(e=[],t=[],n=new f(16),r=[],s=new f(15),i=new f(16)),t.length<o&&(t=[]),c=0;o>c;c++)t[c]=0;for(c=0;16>c;c++)n[c]=0;for(c=0;3>c;c++)r[c]=0;s.set(n.subarray(0,15),0),i.set(n.subarray(0,16),0)}this.st=(n,r,s,i,f)=>{let a;return c(19),e[0]=0,a=o(n,0,19,19,null,null,s,r,i,e,t),-3==a?f.Fe="oversubscribed dynamic bit lengths tree":-5!=a&&0!==r[0]||(f.Fe="incomplete dynamic bit lengths tree",a=-3),a},this.it=(n,r,s,i,f,a,l,u,w)=>{let h;return c(288),e[0]=0,h=o(s,0,n,257,Te,We,a,i,u,e,t),0!=h||0===i[0]?(-3==h?w.Fe="oversubscribed literal/length tree":-4!=h&&(w.Fe="incomplete literal/length tree",h=-3),h):(c(288),h=o(s,n,r,0,He,Le,l,f,u,e,t),0!=h||0===f[0]&&n>257?(-3==h?w.Fe="oversubscribed distance tree":-5==h?(w.Fe="incomplete distance tree",h=-3):-4!=h&&(w.Fe="empty distance tree with lengths",h=-3),h):0)}}function Fe(){const e=this;let t,n,r,s,i=0,o=0,c=0,f=0,a=0,l=0,u=0,w=0,h=0,d=0;function p(e,t,n,r,s,i,o,c){let f,a,l,u,w,h,d,p,y,m,b,g,k,v,S,z;d=c.nt,p=c.He,w=o.ot,h=o.ct,y=o.write,m=y<o.read?o.read-y-1:o.end-y,b=Pe[e],g=Pe[t];do{for(;20>h;)p--,w|=(255&c.ft(d++))<<h,h+=8;if(f=w&b,a=n,l=r,z=3*(l+f),0!==(u=a[z]))for(;;){if(w>>=a[z+1],h-=a[z+1],0!=(16&u)){for(u&=15,k=a[z+2]+(w&Pe[u]),w>>=u,h-=u;15>h;)p--,w|=(255&c.ft(d++))<<h,h+=8;for(f=w&g,a=s,l=i,z=3*(l+f),u=a[z];;){if(w>>=a[z+1],h-=a[z+1],0!=(16&u)){for(u&=15;u>h;)p--,w|=(255&c.ft(d++))<<h,h+=8;if(v=a[z+2]+(w&Pe[u]),w>>=u,h-=u,m-=k,v>y){S=y-v;do{S+=o.end}while(0>S);if(u=o.end-S,k>u){if(k-=u,y-S>0&&u>y-S)do{o.lt[y++]=o.lt[S++]}while(0!=--u);else o.lt.set(o.lt.subarray(S,S+u),y),y+=u,S+=u,u=0;S=0}}else S=y-v,y-S>0&&2>y-S?(o.lt[y++]=o.lt[S++],o.lt[y++]=o.lt[S++],k-=2):(o.lt.set(o.lt.subarray(S,S+2),y),y+=2,S+=2,k-=2);if(y-S>0&&k>y-S)do{o.lt[y++]=o.lt[S++]}while(0!=--k);else o.lt.set(o.lt.subarray(S,S+k),y),y+=k,S+=k,k=0;break}if(0!=(64&u))return c.Fe="invalid distance code",k=c.He-p,k=k>h>>3?h>>3:k,p+=k,d-=k,h-=k<<3,o.ot=w,o.ct=h,c.He=p,c.qe+=d-c.nt,c.nt=d,o.write=y,-3;f+=a[z+2],f+=w&Pe[u],z=3*(l+f),u=a[z]}break}if(0!=(64&u))return 0!=(32&u)?(k=c.He-p,k=k>h>>3?h>>3:k,p+=k,d-=k,h-=k<<3,o.ot=w,o.ct=h,c.He=p,c.qe+=d-c.nt,c.nt=d,o.write=y,1):(c.Fe="invalid literal/length code",k=c.He-p,k=k>h>>3?h>>3:k,p+=k,d-=k,h-=k<<3,o.ot=w,o.ct=h,c.He=p,c.qe+=d-c.nt,c.nt=d,o.write=y,-3);if(f+=a[z+2],f+=w&Pe[u],z=3*(l+f),0===(u=a[z])){w>>=a[z+1],h-=a[z+1],o.lt[y++]=a[z+2],m--;break}}else w>>=a[z+1],h-=a[z+1],o.lt[y++]=a[z+2],m--}while(m>=258&&p>=10);return k=c.He-p,k=k>h>>3?h>>3:k,p+=k,d-=k,h-=k<<3,o.ot=w,o.ct=h,c.He=p,c.qe+=d-c.nt,c.nt=d,o.write=y,0}e.init=(e,i,o,c,f,a)=>{t=0,u=e,w=i,r=o,h=c,s=f,d=a,n=null},e.ut=(e,y,m)=>{let b,g,k,v,S,z,C,I=0,x=0,_=0;for(_=y.nt,v=y.He,I=e.ot,x=e.ct,S=e.write,z=S<e.read?e.read-S-1:e.end-S;;)switch(t){case 0:if(z>=258&&v>=10&&(e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,m=p(u,w,r,h,s,d,e,y),_=y.nt,v=y.He,I=e.ot,x=e.ct,S=e.write,z=S<e.read?e.read-S-1:e.end-S,0!=m)){t=1==m?7:9;break}c=u,n=r,o=h,t=1;case 1:for(b=c;b>x;){if(0===v)return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);m=0,v--,I|=(255&y.ft(_++))<<x,x+=8}if(g=3*(o+(I&Pe[b])),I>>>=n[g+1],x-=n[g+1],k=n[g],0===k){f=n[g+2],t=6;break}if(0!=(16&k)){a=15&k,i=n[g+2],t=2;break}if(0==(64&k)){c=k,o=g/3+n[g+2];break}if(0!=(32&k)){t=7;break}return t=9,y.Fe="invalid literal/length code",m=-3,e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);case 2:for(b=a;b>x;){if(0===v)return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);m=0,v--,I|=(255&y.ft(_++))<<x,x+=8}i+=I&Pe[b],I>>=b,x-=b,c=w,n=s,o=d,t=3;case 3:for(b=c;b>x;){if(0===v)return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);m=0,v--,I|=(255&y.ft(_++))<<x,x+=8}if(g=3*(o+(I&Pe[b])),I>>=n[g+1],x-=n[g+1],k=n[g],0!=(16&k)){a=15&k,l=n[g+2],t=4;break}if(0==(64&k)){c=k,o=g/3+n[g+2];break}return t=9,y.Fe="invalid distance code",m=-3,e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);case 4:for(b=a;b>x;){if(0===v)return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);m=0,v--,I|=(255&y.ft(_++))<<x,x+=8}l+=I&Pe[b],I>>=b,x-=b,t=5;case 5:for(C=S-l;0>C;)C+=e.end;for(;0!==i;){if(0===z&&(S==e.end&&0!==e.read&&(S=0,z=S<e.read?e.read-S-1:e.end-S),0===z&&(e.write=S,m=e.wt(y,m),S=e.write,z=S<e.read?e.read-S-1:e.end-S,S==e.end&&0!==e.read&&(S=0,z=S<e.read?e.read-S-1:e.end-S),0===z)))return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);e.lt[S++]=e.lt[C++],z--,C==e.end&&(C=0),i--}t=0;break;case 6:if(0===z&&(S==e.end&&0!==e.read&&(S=0,z=S<e.read?e.read-S-1:e.end-S),0===z&&(e.write=S,m=e.wt(y,m),S=e.write,z=S<e.read?e.read-S-1:e.end-S,S==e.end&&0!==e.read&&(S=0,z=S<e.read?e.read-S-1:e.end-S),0===z)))return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);m=0,e.lt[S++]=f,z--,t=0;break;case 7:if(x>7&&(x-=8,v++,_--),e.write=S,m=e.wt(y,m),S=e.write,z=S<e.read?e.read-S-1:e.end-S,e.read!=e.write)return e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);t=8;case 8:return m=1,e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);case 9:return m=-3,e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m);default:return m=-2,e.ot=I,e.ct=x,y.He=v,y.qe+=_-y.nt,y.nt=_,e.write=S,e.wt(y,m)}},e.ht=()=>{}}je.dt=(e,t,n,r)=>(e[0]=9,t[0]=5,n[0]=Ue,r[0]=Ne,0);const Oe=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];function qe(e,t){const n=this;let r,s=0,o=0,c=0,a=0;const l=[0],u=[0],w=new Fe;let h=0,d=new f(4320);const p=new je;n.ct=0,n.ot=0,n.lt=new i(t),n.end=t,n.read=0,n.write=0,n.reset=(e,t)=>{t&&(t[0]=0),6==s&&w.ht(e),s=0,n.ct=0,n.ot=0,n.read=n.write=0},n.reset(e,null),n.wt=(e,t)=>{let r,s,i;return s=e.rt,i=n.read,r=(i>n.write?n.end:n.write)-i,r>e.tt&&(r=e.tt),0!==r&&-5==t&&(t=0),e.tt-=r,e.Ge+=r,e.$e.set(n.lt.subarray(i,i+r),s),s+=r,i+=r,i==n.end&&(i=0,n.write==n.end&&(n.write=0),r=n.write-i,r>e.tt&&(r=e.tt),0!==r&&-5==t&&(t=0),e.tt-=r,e.Ge+=r,e.$e.set(n.lt.subarray(i,i+r),s),s+=r,i+=r),e.rt=s,n.read=i,t},n.ut=(e,t)=>{let i,f,y,m,b,g,k,v;for(m=e.nt,b=e.He,f=n.ot,y=n.ct,g=n.write,k=g<n.read?n.read-g-1:n.end-g;;){let S,z,C,I,x,_,A,D;switch(s){case 0:for(;3>y;){if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);t=0,b--,f|=(255&e.ft(m++))<<y,y+=8}switch(i=7&f,h=1&i,i>>>1){case 0:f>>>=3,y-=3,i=7&y,f>>>=i,y-=i,s=1;break;case 1:S=[],z=[],C=[[]],I=[[]],je.dt(S,z,C,I),w.init(S[0],z[0],C[0],0,I[0],0),f>>>=3,y-=3,s=6;break;case 2:f>>>=3,y-=3,s=3;break;case 3:return f>>>=3,y-=3,s=9,e.Fe="invalid block type",t=-3,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t)}break;case 1:for(;32>y;){if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);t=0,b--,f|=(255&e.ft(m++))<<y,y+=8}if((~f>>>16&65535)!=(65535&f))return s=9,e.Fe="invalid stored block lengths",t=-3,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);o=65535&f,f=y=0,s=0!==o?2:0!==h?7:0;break;case 2:if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);if(0===k&&(g==n.end&&0!==n.read&&(g=0,k=g<n.read?n.read-g-1:n.end-g),0===k&&(n.write=g,t=n.wt(e,t),g=n.write,k=g<n.read?n.read-g-1:n.end-g,g==n.end&&0!==n.read&&(g=0,k=g<n.read?n.read-g-1:n.end-g),0===k)))return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);if(t=0,i=o,i>b&&(i=b),i>k&&(i=k),n.lt.set(e.Le(m,i),g),m+=i,b-=i,g+=i,k-=i,0!=(o-=i))break;s=0!==h?7:0;break;case 3:for(;14>y;){if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);t=0,b--,f|=(255&e.ft(m++))<<y,y+=8}if(c=i=16383&f,(31&i)>29||(i>>5&31)>29)return s=9,e.Fe="too many length or distance symbols",t=-3,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);if(i=258+(31&i)+(i>>5&31),!r||r.length<i)r=[];else for(v=0;i>v;v++)r[v]=0;f>>>=14,y-=14,a=0,s=4;case 4:for(;4+(c>>>10)>a;){for(;3>y;){if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);t=0,b--,f|=(255&e.ft(m++))<<y,y+=8}r[Oe[a++]]=7&f,f>>>=3,y-=3}for(;19>a;)r[Oe[a++]]=0;if(l[0]=7,i=p.st(r,l,u,d,e),0!=i)return-3==(t=i)&&(r=null,s=9),n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);a=0,s=5;case 5:for(;i=c,258+(31&i)+(i>>5&31)>a;){let o,w;for(i=l[0];i>y;){if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);t=0,b--,f|=(255&e.ft(m++))<<y,y+=8}if(i=d[3*(u[0]+(f&Pe[i]))+1],w=d[3*(u[0]+(f&Pe[i]))+2],16>w)f>>>=i,y-=i,r[a++]=w;else{for(v=18==w?7:w-14,o=18==w?11:3;i+v>y;){if(0===b)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);t=0,b--,f|=(255&e.ft(m++))<<y,y+=8}if(f>>>=i,y-=i,o+=f&Pe[v],f>>>=v,y-=v,v=a,i=c,v+o>258+(31&i)+(i>>5&31)||16==w&&1>v)return r=null,s=9,e.Fe="invalid bit length repeat",t=-3,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);w=16==w?r[v-1]:0;do{r[v++]=w}while(0!=--o);a=v}}if(u[0]=-1,x=[],_=[],A=[],D=[],x[0]=9,_[0]=6,i=c,i=p.it(257+(31&i),1+(i>>5&31),r,x,_,A,D,d,e),0!=i)return-3==i&&(r=null,s=9),t=i,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);w.init(x[0],_[0],d,A[0],d,D[0]),s=6;case 6:if(n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,1!=(t=w.ut(n,e,t)))return n.wt(e,t);if(t=0,w.ht(e),m=e.nt,b=e.He,f=n.ot,y=n.ct,g=n.write,k=g<n.read?n.read-g-1:n.end-g,0===h){s=0;break}s=7;case 7:if(n.write=g,t=n.wt(e,t),g=n.write,k=g<n.read?n.read-g-1:n.end-g,n.read!=n.write)return n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);s=8;case 8:return t=1,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);case 9:return t=-3,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t);default:return t=-2,n.ot=f,n.ct=y,e.He=b,e.qe+=m-e.nt,e.nt=m,n.write=g,n.wt(e,t)}}},n.ht=e=>{n.reset(e,null),n.lt=null,d=null},n.yt=(e,t,r)=>{n.lt.set(e.subarray(t,t+r),0),n.read=n.write=r},n.bt=()=>1==s?1:0}const Ge=[0,0,255,255];function Je(){const e=this;function t(e){return e&&e.gt?(e.qe=e.Ge=0,e.Fe=null,e.gt.mode=7,e.gt.kt.reset(e,null),0):-2}e.mode=0,e.method=0,e.vt=[0],e.St=0,e.marker=0,e.zt=0,e.Ct=t=>(e.kt&&e.kt.ht(t),e.kt=null,0),e.It=(n,r)=>(n.Fe=null,e.kt=null,8>r||r>15?(e.Ct(n),-2):(e.zt=r,n.gt.kt=new qe(n,1<<r),t(n),0)),e.xt=(e,t)=>{let n,r;if(!e||!e.gt||!e.et)return-2;const s=e.gt;for(t=4==t?-5:0,n=-5;;)switch(s.mode){case 0:if(0===e.He)return n;if(n=t,e.He--,e.qe++,8!=(15&(s.method=e.ft(e.nt++)))){s.mode=13,e.Fe="unknown compression method",s.marker=5;break}if(8+(s.method>>4)>s.zt){s.mode=13,e.Fe="invalid win size",s.marker=5;break}s.mode=1;case 1:if(0===e.He)return n;if(n=t,e.He--,e.qe++,r=255&e.ft(e.nt++),((s.method<<8)+r)%31!=0){s.mode=13,e.Fe="incorrect header check",s.marker=5;break}if(0==(32&r)){s.mode=7;break}s.mode=2;case 2:if(0===e.He)return n;n=t,e.He--,e.qe++,s.St=(255&e.ft(e.nt++))<<24&4278190080,s.mode=3;case 3:if(0===e.He)return n;n=t,e.He--,e.qe++,s.St+=(255&e.ft(e.nt++))<<16&16711680,s.mode=4;case 4:if(0===e.He)return n;n=t,e.He--,e.qe++,s.St+=(255&e.ft(e.nt++))<<8&65280,s.mode=5;case 5:return 0===e.He?n:(n=t,e.He--,e.qe++,s.St+=255&e.ft(e.nt++),s.mode=6,2);case 6:return s.mode=13,e.Fe="need dictionary",s.marker=0,-2;case 7:if(n=s.kt.ut(e,n),-3==n){s.mode=13,s.marker=0;break}if(0==n&&(n=t),1!=n)return n;n=t,s.kt.reset(e,s.vt),s.mode=12;case 12:return e.He=0,1;case 13:return-3;default:return-2}},e._t=(e,t,n)=>{let r=0,s=n;if(!e||!e.gt||6!=e.gt.mode)return-2;const i=e.gt;return s<1<<i.zt||(s=(1<<i.zt)-1,r=n-s),i.kt.yt(t,r,s),i.mode=7,0},e.At=e=>{let n,r,s,i,o;if(!e||!e.gt)return-2;const c=e.gt;if(13!=c.mode&&(c.mode=13,c.marker=0),0===(n=e.He))return-5;for(r=e.nt,s=c.marker;0!==n&&4>s;)e.ft(r)==Ge[s]?s++:s=0!==e.ft(r)?0:4-s,r++,n--;return e.qe+=r-e.nt,e.nt=r,e.He=n,c.marker=s,4!=s?-3:(i=e.qe,o=e.Ge,t(e),e.qe=i,e.Ge=o,c.mode=7,0)},e.Dt=e=>e&&e.gt&&e.gt.kt?e.gt.kt.bt():-2}function Qe(){}function Xe(e){const t=new Qe,n=e&&e.chunkSize?r.floor(2*e.chunkSize):131072,o=new i(n);let c=!1;t.It(),t.$e=o,this.append=(e,r)=>{const f=[];let a,l,u=0,w=0,h=0;if(0!==e.length){t.nt=0,t.et=e,t.He=e.length;do{if(t.rt=0,t.tt=n,0!==t.He||c||(t.nt=0,c=!0),a=t.xt(0),c&&-5===a){if(0!==t.He)throw new s("inflating: bad input")}else if(0!==a&&1!==a)throw new s("inflating: "+t.Fe);if((c||1===a)&&t.He===e.length)throw new s("inflating: bad input");t.rt&&(t.rt===n?f.push(new i(o)):f.push(o.slice(0,t.rt))),h+=t.rt,r&&t.nt>0&&t.nt!=u&&(r(t.nt),u=t.nt)}while(t.He>0||0===t.tt);return f.length>1?(l=new i(h),f.forEach((e=>{l.set(e,w),w+=e.length}))):l=f[0]||new i,l}},this.flush=()=>{t.Ct()}}Qe.prototype={It(e){const t=this;return t.gt=new Je,e||(e=15),t.gt.It(t,e)},xt(e){const t=this;return t.gt?t.gt.xt(t,e):-2},Ct(){const e=this;if(!e.gt)return-2;const t=e.gt.Ct(e);return e.gt=null,t},At(){const e=this;return e.gt?e.gt.At(e):-2},_t(e,t){const n=this;return n.gt?n.gt._t(n,e,t):-2},ft(e){return this.et[e]},Le(e,t){return this.et.subarray(e,e+t)}},self.initCodec=()=>{self.Deflate=Ke,self.Inflate=Xe};\n'],{type:"text/javascript"}));e({workerScripts:{inflate:[t],deflate:[t]}})})(Q),e.BlobReader=It,e.BlobWriter=At,e.Data64URIReader=class extends Ft{constructor(e){super();let t=e.length;for(;"="==e.charAt(t-1);)t--;const r=e.indexOf(",")+1;n.assign(this,{dataURI:e,dataStart:r,size:a.floor(.75*(t-r))})}readUint8Array(e,t){const{dataStart:n,dataURI:r}=this,s=new w(t),i=4*a.floor(e/3),o=atob(r.substring(i+n,4*a.ceil((e+t)/3)+n)),c=e-3*a.floor(i/4);for(let e=c;c+t>e;e++)s[e-c]=o.charCodeAt(e);return s}},e.Data64URIWriter=class extends Et{constructor(e){super(),n.assign(this,{data:"data:"+(e||"")+";base64,",pending:[]})}writeUint8Array(e){const t=this;let n=0,s=t.pending;const i=t.pending.length;for(t.pending="",n=0;n<3*a.floor((i+e.length)/3)-i;n++)s+=r.fromCharCode(e[n]);for(;n<e.length;n++)t.pending+=r.fromCharCode(e[n]);s.length>2?t.data+=x(s):t.pending=s}getData(){return this.data+x(this.pending)}},e.ERR_BAD_FORMAT=zn,e.ERR_CENTRAL_DIRECTORY_NOT_FOUND=_n,e.ERR_DUPLICATED_NAME=Gn,e.ERR_ENCRYPTED=Fn,e.ERR_EOCDR_LOCATOR_ZIP64_NOT_FOUND=Cn,e.ERR_EOCDR_NOT_FOUND=xn,e.ERR_EOCDR_ZIP64_NOT_FOUND=vn,e.ERR_EXTRAFIELD_ZIP64_NOT_FOUND=Rn,e.ERR_HTTP_RANGE=xt,e.ERR_INVALID_COMMENT=jn,e.ERR_INVALID_ENCRYPTION_STRENGTH=er,e.ERR_INVALID_ENTRY_COMMENT=Jn,e.ERR_INVALID_ENTRY_NAME=Qn,e.ERR_INVALID_EXTRAFIELD_DATA=nr,e.ERR_INVALID_EXTRAFIELD_TYPE=tr,e.ERR_INVALID_PASSWORD=ue,e.ERR_INVALID_SIGNATURE=fe,e.ERR_INVALID_VERSION=$n,e.ERR_ITERATOR_COMPLETED_TOO_SOON=vt,e.ERR_LOCAL_FILE_HEADER_NOT_FOUND=Dn,e.ERR_SPLIT_ZIP_FILE=An,e.ERR_UNSUPPORTED_COMPRESSION=In,e.ERR_UNSUPPORTED_ENCRYPTION=En,e.ERR_UNSUPPORTED_FORMAT=rr,e.HttpRangeReader=class extends Yt{constructor(e,t={}){t.useRangeHeader=!0,super(e,t)}},e.HttpReader=Yt,e.Reader=Ft,e.SplitDataReader=Zt,e.SplitDataWriter=Xt,e.SplitZipReader=$t,e.SplitZipWriter=en,e.TextReader=class extends It{constructor(e){super(new m([e],{type:"text/plain"}))}},e.TextWriter=class extends At{constructor(e){super(e),n.assign(this,{encoding:e,utf8:!e||"utf-8"==e.toLowerCase()})}async getData(){const{encoding:e,utf8:t}=this,r=await super.getData();if(r.text&&t)return r.text();{const t=new FileReader;return new y(((s,i)=>{n.assign(t,{onload:({target:e})=>s(e.result),onerror:()=>i(t.error)}),t.readAsText(r,e)}))}}},e.Uint8ArrayReader=class extends Ft{constructor(e){super(),n.assign(this,{array:e,size:e.length})}readUint8Array(e,t){return this.array.slice(e,e+t)}},e.Uint8ArrayWriter=class extends Et{init(e=0){super.init(),n.assign(this,{offset:0,array:new w(e)})}writeUint8Array(e){const t=this;if(t.offset+e.length>t.array.length){const n=t.array;t.array=new w(n.length+e.length),t.array.set(n)}t.array.set(e,t.offset),t.offset+=e.length}getData(){return this.array}},e.Writer=Et,e.ZipReader=class{constructor(e,t={}){n.assign(this,{reader:jt(e),options:t,config:j()})}async*getEntriesGenerator(e={}){const t=this;let{reader:r}=t;const{config:s}=t;if(await Gt(r),r.size!==V&&r.readUint8Array||(r=new It(await new u(r.readable).blob()),await Gt(r)),22>r.size)throw new d(zn);r.chunkSize=J(s);const i=await(async(e,t,n)=>{const r=new w(4);return Xn(r).setUint32(0,101010256,!0),await s(22)||await s(a.min(1048582,n));async function s(t){const s=n-t,i=await Qt(e,s,t);for(let e=i.length-22;e>=0;e--)if(i[e]==r[0]&&i[e+1]==r[1]&&i[e+2]==r[2]&&i[e+3]==r[3])return{offset:s+e,buffer:i.slice(e,e+22).buffer}}})(r,0,r.size);if(!i)throw Yn(Xn(await Qt(r,0,4)))==H?new d(An):new d(xn);const o=Xn(i);let c=Yn(o,12),l=Yn(o,16);const f=i.offset,h=Kn(o,20),p=f+22+h;let g=Kn(o,4);const m=r.lastDiskNumber||0;let b=Kn(o,6),S=Kn(o,8),k=0,z=0;if(l==I||c==I||S==A||b==A){const e=Xn(await Qt(r,i.offset-20,20));if(Yn(e,0)!=N)throw new d(vn);l=Zn(e,8);let t=await Qt(r,l,56,-1),n=Xn(t);const s=i.offset-20-56;if(Yn(n,0)!=U&&l!=s){const e=l;l=s,k=l-e,t=await Qt(r,l,56,-1),n=Xn(t)}if(Yn(n,0)!=U)throw new d(Cn);g==A&&(g=Yn(n,16)),b==A&&(b=Yn(n,20)),S==A&&(S=Zn(n,32)),c==I&&(c=Zn(n,40)),l-=c}if(m!=g)throw new d(An);if(0>l||l>=r.size)throw new d(zn);let x=0,v=await Qt(r,l,c,b),C=Xn(v);if(c){const e=i.offset-c;if(Yn(C,x)!=O&&l!=e){const t=l;l=e,k=l-t,v=await Qt(r,l,c,b),C=Xn(v)}}if(0>l||l>=r.size)throw new d(zn);const _=Mn(t,e,"filenameEncoding"),D=Mn(t,e,"commentEncoding");for(let i=0;S>i;i++){const o=new Nn(r,s,t.options);if(Yn(C,x)!=O)throw new d(_n);Wn(o,C,x+6);const c=!!o.bitFlag.languageEncodingFlag,l=x+46,u=l+o.filenameLength,f=u+o.extraFieldLength,w=Kn(C,x+4),h=0==(0&w),p=v.subarray(l,u),g=Kn(C,x+32),m=f+g,b=v.subarray(f,m),R=c,F=c,E=h&&16==(16&Bn(C,x+38)),I=Yn(C,x+42)+k;n.assign(o,{versionMadeBy:w,msDosCompatible:h,compressedSize:0,uncompressedSize:0,commentLength:g,directory:E,offset:I,diskNumberStart:Kn(C,x+34),internalFileAttribute:Kn(C,x+36),externalFileAttribute:Yn(C,x+38),rawFilename:p,filenameUTF8:R,commentUTF8:F,rawExtraField:v.subarray(u,f)});const[A,T]=await y.all([nn(p,R?Tn:_||Hn),nn(b,F?Tn:D||Hn)]);n.assign(o,{rawComment:b,filename:A,comment:T,directory:E||A.endsWith(L)}),z=a.max(I,z),await qn(o,o,C,x+6);const H=new kn(o);H.getData=(e,t)=>o.getData(e,H,t),x=m;const{onprogress:U}=e;if(U)try{await U(i+1,S,new kn(o))}catch(e){}yield H}const R=Mn(t,e,"extractPrependedData"),F=Mn(t,e,"extractAppendedData");return R&&(t.prependedData=z>0?await Qt(r,0,z):new w),t.comment=h?await Qt(r,f+22,h):new w,F&&(t.appendedData=p<r.size?await Qt(r,p,r.size-p):new w),!0}async getEntries(e={}){const t=[];for await(const n of this.getEntriesGenerator(e))t.push(n);return t}async close(){}},e.ZipWriter=class{constructor(e,t={}){e=Jt(e),n.assign(this,{writer:e,addSplitZipSignature:e instanceof Xt,options:t,config:j(),files:new c,filenames:new l,offset:e.writable.size,pendingEntriesSize:0,pendingAddFileCalls:new l,bufferedWrites:0})}async add(e="",r,s={}){const c=this,{pendingAddFileCalls:l,config:u}=c;let f;ir<u.maxWorkers?ir++:await new y((e=>ar.push(e)));try{if(e=e.trim(),c.filenames.has(e))throw new d(Gn);return c.filenames.add(e),f=(async(e,r,s,c)=>{r=r.trim(),c.directory&&!r.endsWith(L)?r+=L:c.directory=r.endsWith(L);const l=se(r);if(gr(l)>A)throw new d(Qn);const u=c.comment||"",f=se(u);if(gr(f)>A)throw new d(Jn);const m=lr(e,c,"version",20);if(m>A)throw new d($n);const b=lr(e,c,"versionMadeBy",20);if(b>A)throw new d($n);const S=lr(e,c,dn,new o),k=lr(e,c,hn),z=lr(e,c,pn),x=lr(e,c,yn,!0),v=lr(e,c,gn,0),C=lr(e,c,mn,0),_=lr(e,c,"password"),D=lr(e,c,"encryptionStrength",3),R=lr(e,c,"zipCrypto"),F=lr(e,c,"extendedTimestamp",!0),E=lr(e,c,"keepOrder",!0),O=lr(e,c,"level"),U=lr(e,c,"useWebWorkers"),N=lr(e,c,"bufferedWrite"),B=lr(e,c,"dataDescriptorSignature",!1),K=lr(e,c,"signal"),Y=lr(e,c,"useCompressionStream");let Z=lr(e,c,"dataDescriptor",!0),X=lr(e,c,bn);if(_!==V&&D!==V&&(1>D||D>3))throw new d(er);let G=new w;const{extraField:j}=c;if(j){let e=0,t=0;j.forEach((t=>e+=4+gr(t))),G=new w(e),j.forEach(((e,n)=>{if(n>A)throw new d(tr);if(gr(e)>A)throw new d(nr);hr(G,new h([n]),t),hr(G,new h([gr(e)]),t+2),hr(G,e,t+4),t+=4+gr(e)}))}let Q=0,$=0,ee=0;const te=!0===X;s&&(s=jt(s),await Gt(s),s.size===V?(Z=!0,(X||X===V)&&(X=!0,Q=I)):(ee=s.size,Q=(e=>e+5*(a.floor(e/16383)+1))(ee)));const{diskOffset:ne,diskNumber:re,maxSize:ie}=e.writer,ae=te||ee>=I,oe=te||Q>=I,ce=te||e.offset+e.pendingEntriesSize-ne>=I,le=lr(e,c,"supportZip64SplitFile",!0)&&te||re+a.ceil(e.pendingEntriesSize/ie)>=A;if(ce||ae||oe||le){if(!1===X||!E)throw new d(rr);X=!0}X=X||!1;const ue=(e=>{const{rawFilename:t,lastModDate:n,lastAccessDate:r,creationDate:s,password:i,level:o,zip64:c,zipCrypto:l,dataDescriptor:u,directory:f,rawExtraField:d,encryptionStrength:h,extendedTimestamp:g}=e,m=0!==o&&!f,y=!(!i||!gr(i));let b,S,k,z=e.version;if(y&&!l){b=new w(gr(sr)+2);const e=pr(b);fr(e,0,39169),hr(b,sr,2),ur(e,8,h)}else b=new w;if(g){k=new w(9+(r?4:0)+(s?4:0));const e=pr(k);fr(e,0,W),fr(e,2,gr(k)-4),ur(e,4,1+(r?2:0)+(s?4:0)),dr(e,5,a.floor(n.getTime()/1e3)),r&&dr(e,9,a.floor(r.getTime()/1e3)),s&&dr(e,13,a.floor(s.getTime()/1e3));try{S=new w(36);const e=pr(S),t=cr(n);fr(e,0,10),fr(e,2,32),fr(e,8,1),fr(e,10,24),wr(e,12,t),wr(e,20,cr(r)||t),wr(e,28,cr(s)||t)}catch(e){S=new w}}else S=k=new w;let x=q;u&&(x|=8);let v=0;m&&(v=8),c&&(z=z>45?z:45),y&&(x|=1,l||(z=z>51?z:51,v=99,m&&(b[9]=8)));const C=new w(26),_=pr(C);fr(_,0,z),fr(_,2,x),fr(_,4,v);const D=new p(1),R=pr(D);let F;F=P>n?P:n>M?M:n,fr(R,0,(F.getHours()<<6|F.getMinutes())<<5|F.getSeconds()/2),fr(R,2,(F.getFullYear()-1980<<4|F.getMonth()+1)<<5|F.getDate());const E=D[0];dr(_,6,E),fr(_,22,gr(t));const I=gr(b,k,S,d);fr(_,24,I);const A=new w(30+gr(t)+I);return dr(pr(A),0,T),hr(A,C,4),hr(A,t,30),hr(A,b,30+gr(t)),hr(A,k,30+gr(t,b)),hr(A,S,30+gr(t,b,k)),hr(A,d,30+gr(t,b,k,S)),{localHeaderArray:A,headerArray:C,headerView:_,lastModDate:n,rawLastModDate:E,encrypted:y,compressed:m,version:z,compressionMethod:v,rawExtraFieldExtendedTimestamp:k,rawExtraFieldNTFS:S,rawExtraFieldAES:b}})(c=n.assign({},c,{rawFilename:l,rawComment:f,version:m,versionMadeBy:b,lastModDate:S,lastAccessDate:k,creationDate:z,rawExtraField:G,zip64:X,zip64UncompressedSize:ae,zip64CompressedSize:oe,zip64Offset:ce,zip64DiskNumberStart:le,password:_,level:O,useWebWorkers:U,encryptionStrength:D,extendedTimestamp:F,zipCrypto:R,bufferedWrite:N,keepOrder:E,dataDescriptor:Z,dataDescriptorSignature:B,signal:K,msDosCompatible:x,internalFileAttribute:v,externalFileAttribute:C,useCompressionStream:Y})),fe=(e=>{const{zip64:t,dataDescriptor:n,dataDescriptorSignature:r}=e;let s,i=new w,a=0;return n&&(i=new w(t?r?24:20:r?16:12),s=pr(i),r&&(a=4,dr(s,0,134695760))),{dataDescriptorArray:i,dataDescriptorView:s,dataDescriptorOffset:a}})(c);let de;$=gr(ue.localHeaderArray,fe.dataDescriptorArray)+Q,e.pendingEntriesSize+=$;try{de=await(async(e,r,s,a,o)=>{const{files:c,writer:l}=e,{keepOrder:u,dataDescriptor:f,signal:h}=o,{headerInfo:p}=a,m=t.from(c.values()).pop();let b,S,k,z,x,v,C={};c.set(r,C);try{let t;u&&(t=m&&m.lock,C.lock=new y((e=>k=e))),o.bufferedWrite||e.writerLocked||e.bufferedWrites&&u||!f?(v=new At,v.writable.size=0,b=!0,e.bufferedWrites++,await Gt(l)):(v=l,await _()),await Gt(v);const{writable:p}=l;let{diskOffset:R}=l;if(e.addSplitZipSignature){delete e.addSplitZipSignature;const t=new w(4);dr(pr(t),0,H),await or(p,t),e.offset+=4}b||(await t,await D(p));const{diskNumber:F}=l;if(x=!0,C.diskNumberStart=F,C=await(async(e,t,{diskNumberStart:r,lock:s},a,o,c)=>{const{headerInfo:l,dataDescriptorInfo:u}=a,{localHeaderArray:f,headerArray:d,lastModDate:h,rawLastModDate:p,encrypted:g,compressed:m,version:y,compressionMethod:b,rawExtraFieldExtendedTimestamp:S,rawExtraFieldNTFS:k,rawExtraFieldAES:z}=l,{dataDescriptorArray:x}=u,{rawFilename:v,lastAccessDate:C,creationDate:_,password:D,level:R,zip64:F,zip64UncompressedSize:E,zip64CompressedSize:A,zip64Offset:T,zip64DiskNumberStart:H,zipCrypto:O,dataDescriptor:U,directory:N,versionMadeBy:W,rawComment:q,rawExtraField:L,useWebWorkers:M,onstart:P,onprogress:B,onend:K,signal:Y,encryptionStrength:Z,extendedTimestamp:X,msDosCompatible:G,internalFileAttribute:j,externalFileAttribute:Q,useCompressionStream:$}=c,ee={lock:s,versionMadeBy:W,zip64:F,directory:!!N,filenameUTF8:!0,rawFilename:v,commentUTF8:!0,rawComment:q,rawExtraFieldExtendedTimestamp:S,rawExtraFieldNTFS:k,rawExtraFieldAES:z,rawExtraField:L,extendedTimestamp:X,msDosCompatible:G,internalFileAttribute:j,externalFileAttribute:Q,diskNumberStart:r};let te,ne=0,re=0;const{writable:se}=t;if(e){e.chunkSize=J(o),await or(se,f);const t=e.readable,n=t.size=e.size,r={options:{codecType:st,level:R,password:D,encryptionStrength:Z,zipCrypto:g&&O,passwordVerification:g&&O&&p>>8&255,signed:!0,compressed:m,encrypted:g,useWebWorkers:M,useCompressionStream:$,transferStreams:!1},config:o,streamOptions:{signal:Y,size:n,onstart:P,onprogress:B,onend:K}},s=await St({readable:t,writable:se},r);se.size+=s.size,te=s.signature,re=e.size=t.size,ne=s.size}else await or(se,f);let ie;if(F){let e=4;E&&(e+=8),A&&(e+=8),T&&(e+=8),H&&(e+=4),ie=new w(e)}else ie=new w;return e&&((e,t)=>{const{signature:n,rawExtraFieldZip64:r,compressedSize:s,uncompressedSize:a,headerInfo:o,dataDescriptorInfo:c}=e,{headerView:l,encrypted:u}=o,{dataDescriptorView:f,dataDescriptorOffset:d}=c,{zip64:w,zip64UncompressedSize:h,zip64CompressedSize:p,zipCrypto:g,dataDescriptor:m}=t;if(u&&!g||n===V||(dr(l,10,n),m&&dr(f,d,n)),w){const e=pr(r);fr(e,0,1),fr(e,2,r.length-4);let t=4;h&&(dr(l,18,I),wr(e,t,i(a)),t+=8),p&&(dr(l,14,I),wr(e,t,i(s))),m&&(wr(f,d+4,i(s)),wr(f,d+12,i(a)))}else dr(l,14,s),dr(l,18,a),m&&(dr(f,d+4,s),dr(f,d+8,a))})({signature:te,rawExtraFieldZip64:ie,compressedSize:ne,uncompressedSize:re,headerInfo:l,dataDescriptorInfo:u},c),U&&await or(se,x),n.assign(ee,{uncompressedSize:re,compressedSize:ne,lastModDate:h,rawLastModDate:p,creationDate:_,lastAccessDate:C,encrypted:g,length:gr(f,x)+ne,compressionMethod:b,version:y,headerArray:d,signature:te,rawExtraFieldZip64:ie,zip64UncompressedSize:E,zip64CompressedSize:A,zip64Offset:T,zip64DiskNumberStart:H}),ee})(s,v,C,a,e.config,o),x=!1,c.set(r,C),C.filename=r,b){await v.writable.close();let e=await v.getData();await t,await _(),z=!0,f||(e=await(async(e,t,n,{zipCrypto:r})=>{const s=await(e=>e.slice(0,26).arrayBuffer())(t),i=new g(s);return e.encrypted&&!r||dr(i,14,e.signature),e.zip64?(dr(i,18,I),dr(i,22,I)):(dr(i,18,e.compressedSize),dr(i,22,e.uncompressedSize)),await or(n,new w(s)),t.slice(s.byteLength)})(C,e,p,o)),await D(p),C.diskNumberStart=l.diskNumber,R=l.diskOffset,await e.stream().pipeTo(p,{preventClose:!0,signal:h}),p.size+=e.size,z=!1}if(C.offset=e.offset-R,C.zip64)((e,t)=>{const{rawExtraFieldZip64:n,offset:r,diskNumberStart:s}=e,{zip64UncompressedSize:a,zip64CompressedSize:o,zip64Offset:c,zip64DiskNumberStart:l}=t,u=pr(n);let f=4;a&&(f+=8),o&&(f+=8),c&&(wr(u,f,i(r)),f+=8),l&&dr(u,f,s)})(C,o);else if(C.offset>=I)throw new d(rr);return e.offset+=C.length,C}catch(t){throw(b&&z||!b&&x)&&(e.hasCorruptedEntries=!0,t&&(t.corruptedEntry=!0),b?e.offset+=v.writable.size:e.offset=v.writable.size),c.delete(r),t}finally{b&&e.bufferedWrites--,k&&k(),S&&S()}async function _(){e.writerLocked=!0;const{lockWriter:t}=e;e.lockWriter=new y((t=>S=()=>{e.writerLocked=!1,t()})),await t}async function D(e){p.localHeaderArray.length>l.availableSize&&(l.availableSize=0,await or(e,new w))}})(e,r,s,{headerInfo:ue,dataDescriptorInfo:fe},c)}finally{e.pendingEntriesSize-=$}return n.assign(de,{name:r,comment:u,extraField:j}),new kn(de)})(c,e,r,s),l.add(f),await f}catch(t){throw c.filenames.delete(e),t}finally{l.delete(f);const e=ar.shift();e?e():ir--}}async close(e=new w,n={}){const{pendingAddFileCalls:r,writer:s}=this,{writable:o}=s;for(;r.size;)await y.all(t.from(r));return await(async(e,n,r)=>{const{files:s,writer:o}=e,{diskOffset:c,writable:l}=o;let{diskNumber:u}=o,f=0,h=0,p=e.offset-c,g=s.size;for(const[,{rawFilename:e,rawExtraFieldZip64:t,rawExtraFieldAES:n,rawExtraField:r,rawComment:i,rawExtraFieldExtendedTimestamp:a,rawExtraFieldNTFS:o}]of s)h+=46+gr(e,i,t,n,a,o,r);const m=new w(h),y=pr(m);await Gt(o);let b=0;for(const[e,n]of t.from(s.values()).entries()){const{offset:t,rawFilename:i,rawExtraFieldZip64:c,rawExtraFieldAES:u,rawExtraFieldNTFS:d,rawExtraField:h,rawComment:p,versionMadeBy:g,headerArray:S,directory:k,zip64:z,zip64UncompressedSize:x,zip64CompressedSize:v,zip64DiskNumberStart:C,zip64Offset:_,msDosCompatible:D,internalFileAttribute:R,externalFileAttribute:F,extendedTimestamp:E,lastModDate:T,diskNumberStart:H,uncompressedSize:U,compressedSize:N}=n;let q;if(E){q=new w(9);const e=pr(q);fr(e,0,W),fr(e,2,gr(q)-4),ur(e,4,1),dr(e,5,a.floor(T.getTime()/1e3))}else q=new w;const L=gr(c,u,q,d,h);dr(y,f,O),fr(y,f+4,g);const M=pr(S);x||dr(M,18,U),v||dr(M,14,N),hr(m,S,f+6),fr(y,f+30,L),fr(y,f+32,gr(p)),fr(y,f+34,z&&C?A:H),fr(y,f+36,R),F?dr(y,f+38,F):k&&D&&ur(y,f+38,16),dr(y,f+42,z&&_?I:t),hr(m,i,f+46),hr(m,c,f+46+gr(i)),hr(m,u,f+46+gr(i,c)),hr(m,q,f+46+gr(i,c,u)),hr(m,d,f+46+gr(i,c,u,q)),hr(m,h,f+46+gr(i,c,u,q,d)),hr(m,p,f+46+gr(i)+L);const P=46+gr(i,p)+L;if(f-b>o.availableSize&&(o.availableSize=0,await or(l,m.slice(b,f)),b=f),f+=P,r.onprogress)try{await r.onprogress(e+1,s.size,new kn(n))}catch(e){}}await or(l,b?m.slice(b):m);let S=o.diskNumber;const{availableSize:k}=o;22>k&&S++;let z=lr(e,r,"zip64");if(!(I>p&&I>h&&A>g&&A>S)){if(!1===z)throw new d(rr);z=!0}const x=new w(z?98:22),v=pr(x);f=0,z&&(dr(v,0,U),wr(v,4,i(44)),fr(v,12,45),fr(v,14,45),dr(v,16,S),dr(v,20,u),wr(v,24,i(g)),wr(v,32,i(g)),wr(v,40,i(h)),wr(v,48,i(p)),dr(v,56,N),wr(v,64,i(p)+i(h)),dr(v,72,S+1),lr(e,r,"supportZip64SplitFile",!0)&&(S=A,u=A),g=A,p=I,h=I,f+=76),dr(v,f,101010256),fr(v,f+4,S),fr(v,f+6,u),fr(v,f+8,g),fr(v,f+10,g),dr(v,f+12,h),dr(v,f+16,p);const C=gr(n);if(C){if(C>A)throw new d(jn);fr(v,f+20,C)}await or(l,x),C&&await or(l,n)})(this,e,n),lr(this,n,"preventClose")||await o.close(),s.getData?s.getData():o}},e.configure=Q,e.getMimeType=()=>"application/octet-stream",e.initReader=jt,e.initShimAsyncCodec=(e,t={},n)=>({Deflate:ee(e.Deflate,t.deflate,n),Inflate:ee(e.Inflate,t.inflate,n)}),e.initStream=Gt,e.initWriter=Jt,e.readUint8Array=Qt,e.terminateWorkers=()=>{mt.forEach((e=>{kt(e),e.terminate()}))},n.defineProperty(e,"__esModule",{value:!0})}));
diff --git a/public/service-worker.js b/public/service-worker.js
index ff1a816..e0538b7 100644
--- a/public/service-worker.js
+++ b/public/service-worker.js
@@ -1,11 +1,13 @@
-var CACHE_NAME = 'pairdrop-cache-v2';
+var CACHE_NAME = 'pairdrop-cache-v3';
 var urlsToCache = [
   'index.html',
   './',
   'styles.css',
   'scripts/network.js',
   'scripts/ui.js',
-  'scripts/clipboard.js',
+  'scripts/util.js',
+  'scripts/qrcode.js',
+  'scripts/zip.min.js',
   'scripts/theme.js',
   'sounds/blop.mp3',
   'images/favicon-96x96.png'
diff --git a/public/styles.css b/public/styles.css
index a713ca7..4160435 100644
--- a/public/styles.css
+++ b/public/styles.css
@@ -105,7 +105,7 @@ h2 {
     font-weight: 400;
     letter-spacing: -.012em;
     line-height: 32px;
-}
+    color: var(--primary-color);}
 
 h3 {
     font-size: 20px;
@@ -269,12 +269,12 @@ x-peer:not(.type-ip) x-icon {
     background: #00a69c;
 }
 
-x-peer:not([transfer]):hover x-icon,
-x-peer:not([transfer]):focus x-icon {
+x-peer:not([status]):hover x-icon,
+x-peer:not([status]):focus x-icon {
     transform: scale(1.05);
 }
 
-x-peer[transfer] x-icon {
+x-peer[status] x-icon {
     box-shadow: none;
     opacity: 0.8;
     transform: scale(1);
@@ -291,15 +291,27 @@ x-peer[transfer] x-icon {
     white-space: nowrap;
 }
 
-x-peer[transfer] .status:before {
+x-peer[status=transfer] .status:before {
     content: 'Transferring...';
 }
 
-x-peer:not([transfer]) .status,
-x-peer[transfer] .device-name {
+x-peer[status=prepare] .status:before {
+    content: 'Preparing...';
+}
+
+x-peer[status=wait] .status:before {
+    content: 'Waiting...';
+}
+
+x-peer:not([status]) .status,
+x-peer[status] .device-name {
     display: none;
 }
 
+x-peer[status] {
+    pointer-events: none;
+}
+
 x-peer x-icon {
     animation: pop 600ms ease-out 1;
 }
@@ -437,7 +449,7 @@ x-dialog .font-subheading {
     height: 80px;
 }
 
-#pairDeviceDialog>*>*>*>hr {
+#pairDeviceDialog hr {
     margin-top: 40px;
     margin-bottom: 40px;
 }