Signed Diaspora posts should now be stored more reliable

boot.php

@@ -41,7 +41,7 @@ define('FRIENDICA_PLATFORM',     'Friendica');
 define('FRIENDICA_CODENAME',     'The Tazmans Flax-lily');
 define('FRIENDICA_VERSION',      '2018.12-dev');
 define('DFRN_PROTOCOL_VERSION',  '2.23');
-define('DB_UPDATE_VERSION',      1286);
+define('DB_UPDATE_VERSION',      1287);
 define('NEW_UPDATE_ROUTINE_VERSION', 1170);
 
 /**

config/dbstructure.json

@@ -254,6 +254,16 @@
 			"received": ["received"]
 		}
 	},
+	"diaspora-interaction": {
+		"comment": "Signed Diaspora Interaction",
+		"fields": {
+			"uri-id": {"type": "int unsigned", "not null": "1", "primary": "1", "relation": {"item-uri": "id"}, "comment": "Id of the item-uri table entry that contains the item uri"},
+			"interaction": {"type": "mediumtext", "comment": "The Diaspora interaction"}
+		},
+		"indexes": {
+			"PRIMARY": ["uri-id"]
+		}
+	},
 	"event": {
 		"comment": "Events",
 		"fields": {

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2018.12-dev (The Tazmans Flax-lily)
--- DB_UPDATE_VERSION 1285
+-- DB_UPDATE_VERSION 1287
 -- ------------------------------------------
 
 
@@ -247,6 +247,15 @@ CREATE TABLE IF NOT EXISTS `conversation` (
 	 INDEX `received` (`received`)
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Raw data and structure information for messages';
 
+--
+-- TABLE diaspora-interaction
+--
+CREATE TABLE IF NOT EXISTS `diaspora-interaction` (
+	`uri-id` int unsigned NOT NULL COMMENT 'Id of the item-uri table entry that contains the item uri',
+	`interaction` mediumtext COMMENT 'The Diaspora interaction',
+	 PRIMARY KEY(`uri-id`)
+) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Signed Diaspora Interaction';
+
 --
 -- TABLE event
 --
@@ -1242,12 +1251,14 @@ CREATE TABLE IF NOT EXISTS `workerqueue` (
 	`created` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'Creation date',
 	`pid` int unsigned NOT NULL DEFAULT 0 COMMENT 'Process id of the worker',
 	`executed` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'Execution date',
+	`next_try` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'Next retrial date',
+	`retrial` tinyint NOT NULL DEFAULT 0 COMMENT 'Retrial counter',
 	`done` boolean NOT NULL DEFAULT '0' COMMENT 'Marked 1 when the task was done - will be deleted later',
 	 PRIMARY KEY(`id`),
 	 INDEX `pid` (`pid`),
 	 INDEX `parameter` (`parameter`(64)),
-	 INDEX `priority_created` (`priority`,`created`),
-	 INDEX `done_executed` (`done`,`executed`)
+	 INDEX `priority_created_next_try` (`priority`,`created`,`next_try`),
+	 INDEX `done_executed_next_try` (`done`,`executed`,`next_try`)
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Background tasks queue entries';
 
 

src/Model/Item.php

@@ -231,6 +231,10 @@ class Item extends BaseObject
 			}
 		}
 
+		if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
+			$row['signed_text'] = $row['interaction'];
+		}
+
 		if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
 			$row['ignored'] = $row['internal-user-ignored'];
 		}
@@ -242,6 +246,7 @@ class Item extends BaseObject
 		unset($row['internal-iaid']);
 		unset($row['internal-icid']);
 		unset($row['internal-user-ignored']);
+		unset($row['interaction']);
 
 		return $row;
 	}
@@ -567,6 +572,8 @@ class Item extends BaseObject
 
 		$fields['sign'] = ['signed_text', 'signature', 'signer'];
 
+		$fields['diaspora-interaction'] = ['interaction'];
+
 		return $fields;
 	}
 
@@ -653,6 +660,10 @@ class Item extends BaseObject
 			$joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
 		}
 
+		if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
+			$joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
+		}
+
 		if (strpos($sql_commands, "`item-activity`.") !== false) {
 			$joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
 		}
@@ -705,6 +716,10 @@ class Item extends BaseObject
 			$selected[] = 'internal-user-ignored';
 		}
 
+		if (in_array('signed_text', $selected)) {
+			$selected[] = 'interaction';
+		}
+
 		$selection = [];
 		foreach ($fields as $table => $table_fields) {
 			foreach ($table_fields as $field => $select) {
@@ -1487,7 +1502,6 @@ class Item extends BaseObject
 		$deny_gid  = '';
 
 		if ($item['parent-uri'] === $item['uri']) {
-			$diaspora_signed_text = '';
 			$parent_id = 0;
 			$parent_deleted = 0;
 			$allow_cid = $item['allow_cid'];
@@ -1534,10 +1548,6 @@ class Item extends BaseObject
 				$item['wall']    = $parent['wall'];
 				$notify_type    = 'comment-new';
 
-				if (!$parent['origin']) {
-					$diaspora_signed_text = '';
-				}
-
 				/*
 				 * If the parent is private, force privacy for the entire conversation
 				 * This differs from the above settings as it subtly allows comments from
@@ -1578,7 +1588,6 @@ class Item extends BaseObject
 					$parent_id = 0;
 					$item['parent-uri'] = $item['uri'];
 					$item['gravity'] = GRAVITY_PARENT;
-					$diaspora_signed_text = '';
 				} else {
 					logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
 					return 0;
@@ -1803,14 +1812,17 @@ class Item extends BaseObject
 				logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
 			}
 
-			DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
-						'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
+			if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
+				DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
+			} else {
+				// The other fields are used by very old Friendica servers, so we currently store them differently
+				DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
+					'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
+			}
 		}
 
 		if (!empty($diaspora_signed_text)) {
-			// Formerly we stored the signed text, the signature and the author in different fields.
-			// We now store the raw data so that we are more flexible.
-			DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
+			DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
 		}
 
 		$deleted = self::tagDeliver($item['uid'], $current_post);

src/Protocol/Diaspora.php

@@ -3749,13 +3749,13 @@ class Diaspora
 	 *
 	 * @return string The message
 	 */
-	private static function messageFromSignature(array $item, array $signature)
+	private static function messageFromSignature(array $item)
 	{
 		// Split the signed text
-		$signed_parts = explode(";", $signature['signed_text']);
+		$signed_parts = explode(";", $item['signed_text']);
 
 		if ($item["deleted"]) {
-			$message = ["author" => $signature['signer'],
+			$message = ["author" => $item['signer'],
 					"target_guid" => $signed_parts[0],
 					"target_type" => $signed_parts[1]];
 		} elseif (in_array($item["verb"], [ACTIVITY_LIKE, ACTIVITY_DISLIKE])) {
@@ -3764,7 +3764,7 @@ class Diaspora
 					"parent_guid" => $signed_parts[3],
 					"parent_type" => $signed_parts[2],
 					"positive" => $signed_parts[0],
-					"author_signature" => $signature['signature'],
+					"author_signature" => $item['signature'],
 					"parent_author_signature" => ""];
 		} else {
 			// Remove the comment guid
@@ -3783,7 +3783,7 @@ class Diaspora
 					"guid" => $guid,
 					"parent_guid" => $parent_guid,
 					"text" => implode(";", $signed_parts),
-					"author_signature" => $signature['signature'],
+					"author_signature" => $item['signature'],
 					"parent_author_signature" => ""];
 		}
 		return $message;
@@ -3811,20 +3811,12 @@ class Diaspora
 
 		logger("Got relayable data ".$type." for item ".$item["guid"]." (".$item["id"].")", LOGGER_DEBUG);
 
-		// fetch the original signature
-		$fields = ['signed_text', 'signature', 'signer'];
-		$signature = DBA::selectFirst('sign', $fields, ['iid' => $item["id"]]);
-		if (!DBA::isResult($signature)) {
-			logger("Couldn't fetch signatur for item ".$item["guid"]." (".$item["id"].")", LOGGER_DEBUG);
-			return false;
-		}
-
 		// Old way - is used by the internal Friendica functions
 		/// @todo Change all signatur storing functions to the new format
-		if ($signature['signed_text'] && $signature['signature'] && $signature['signer']) {
-			$message = self::messageFromSignature($item, $signature);
+		if ($item['signed_text'] && $item['signature'] && $item['signer']) {
+			$message = self::messageFromSignature($item);
 		} else {// New way
-			$msg = json_decode($signature['signed_text'], true);
+			$msg = json_decode($item['signed_text'], true);
 
 			$message = [];
 			if (is_array($msg)) {
@@ -3841,7 +3833,7 @@ class Diaspora
 					$message[$field] = $data;
 				}
 			} else {
-				logger("Signature text for item ".$item["guid"]." (".$item["id"].") couldn't be extracted: ".$signature['signed_text'], LOGGER_DEBUG);
+				logger("Signature text for item ".$item["guid"]." (".$item["id"].") couldn't be extracted: ".$item['signed_text'], LOGGER_DEBUG);
 			}
 		}