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 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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 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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 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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 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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 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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 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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;
 }