New function to convert BBCode for a given ID

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2021.09-dev (Siberian Iris)
--- DB_UPDATE_VERSION 1425
+-- DB_UPDATE_VERSION 1426
 -- ------------------------------------------
 
 
@@ -563,6 +563,7 @@ CREATE TABLE IF NOT EXISTS `event` (
 	`uid` mediumint unsigned NOT NULL DEFAULT 0 COMMENT 'Owner User id',
 	`cid` int unsigned NOT NULL DEFAULT 0 COMMENT 'contact_id (ID of the contact in contact table)',
 	`uri` varchar(255) NOT NULL DEFAULT '' COMMENT '',
+	`uri-id` int unsigned COMMENT 'Id of the item-uri table entry that contains the event uri',
 	`created` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'creation time',
 	`edited` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'last edit time',
 	`start` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'event start time',
@@ -581,8 +582,10 @@ CREATE TABLE IF NOT EXISTS `event` (
 	 PRIMARY KEY(`id`),
 	 INDEX `uid_start` (`uid`,`start`),
 	 INDEX `cid` (`cid`),
+	 INDEX `uri-id` (`uri-id`),
 	FOREIGN KEY (`uid`) REFERENCES `user` (`uid`) ON UPDATE RESTRICT ON DELETE CASCADE,
-	FOREIGN KEY (`cid`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
+	FOREIGN KEY (`cid`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
+	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Events';
 
 --

doc/database/db_event.md

@@ -7,12 +7,13 @@ Fields
 ------
 
 | Field     | Description                                                | Type               | Null | Key | Default             | Extra          |
-| --------- | ------------------------------------------------------ | ------------------ | ---- | --- | ------------------- | -------------- |
+| --------- | ---------------------------------------------------------- | ------------------ | ---- | --- | ------------------- | -------------- |
 | id        | sequential ID                                              | int unsigned       | NO   | PRI | NULL                | auto_increment |
 | guid      |                                                            | varchar(255)       | NO   |     |                     |                |
 | uid       | Owner User id                                              | mediumint unsigned | NO   |     | 0                   |                |
 | cid       | contact_id (ID of the contact in contact table)            | int unsigned       | NO   |     | 0                   |                |
 | uri       |                                                            | varchar(255)       | NO   |     |                     |                |
+| uri-id    | Id of the item-uri table entry that contains the event uri | int unsigned       | YES  |     | NULL                |                |
 | created   | creation time                                              | datetime           | NO   |     | 0001-01-01 00:00:00 |                |
 | edited    | last edit time                                             | datetime           | NO   |     | 0001-01-01 00:00:00 |                |
 | start     | event start time                                           | datetime           | NO   |     | 0001-01-01 00:00:00 |                |
@@ -37,6 +38,7 @@ Indexes
 | PRIMARY   | id         |
 | uid_start | uid, start |
 | cid       | cid        |
+| uri-id    | uri-id     |
 
 Foreign Keys
 ------------
@@ -45,5 +47,6 @@ Foreign Keys
 |-------|--------------|--------------|
 | uid | [user](help/database/db_user) | uid |
 | cid | [contact](help/database/db_contact) | id |
+| uri-id | [item-uri](help/database/db_item-uri) | id |
 
 Return to [database documentation](help/database)

src/Content/Text/BBCode.php

@@ -1263,6 +1263,37 @@ class BBCode
 		return $bbcode;
 	}
 
+	/**
+	 * Converts a BBCode message for a given ID to a HTML message
+	 *
+	 * BBcode 2 HTML was written by WAY2WEB.net
+	 * extended to work with Mistpark/Friendica - Mike Macgirvin
+	 *
+	 * Simple HTML values meaning:
+	 * - 0: Friendica display
+	 * - 1: Unused
+	 * - 2: Used for Windows Phone push, Friendica API
+	 * - 3: Used before converting to Markdown in bb2diaspora.php
+	 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
+	 * - 5: Unused
+	 * - 6: Unused
+	 * - 7: Used for dfrn, OStatus
+	 * - 8: Used for Twitter, WP backlink text setting
+	 * - 9: ActivityPub
+	 *
+	 * @param int    $uriid
+	 * @param string $text
+	 * @param int    $simple_html
+	 * @return string
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	public static function convertForItem(int $uriid, string $text, int $simple_html = self::INTERNAL)
+	{
+		$try_oembed = ($simple_html == self::INTERNAL);
+
+		return self::convert($text, $try_oembed, $simple_html, false, $uriid);
+	}
+
 	/**
 	 * Converts a BBCode message to HTML message
 	 *

src/Model/Contact.php

@@ -1886,7 +1886,7 @@ class Contact
 	{
 		if (Strings::normaliseLink($new_url) != Strings::normaliseLink($old_url)) {
 			Logger::notice('New URL differs from old URL', ['old' => $old_url, 'new' => $new_url]);
-			// @todo It is to decide what to do when the URL is changed
+			return;
 		}
 
 		if (!DBA::update('contact', $fields, ['id' => $id])) {
@@ -2073,6 +2073,14 @@ class Contact
 			return false;
 		}
 
+		if (Strings::normaliseLink($ret['url']) != Strings::normaliseLink($contact['url'])) {
+			$cid = self::getIdForURL($ret['url']);
+			if (!empty($cid) && ($cid != $id)) {
+				Logger::notice('URL of contact changed.', ['id' => $id, 'new_id' => $cid, 'old' => $contact['url'], 'new' => $ret['url']]);
+				return self::updateFromProbeArray($cid, $ret);
+			}
+		}
+
 		if (isset($ret['hide']) && is_bool($ret['hide'])) {
 			$ret['unsearchable'] = $ret['hide'];
 		}

src/Model/Event.php

@@ -273,6 +273,7 @@ class Event
 		$event['cid']       = intval($arr['cid']       ?? 0);
 		$event['guid']      =       ($arr['guid']      ?? '') ?: System::createUUID();
 		$event['uri']       =       ($arr['uri']       ?? '') ?: Item::newURI($event['uid'], $event['guid']);
+		$event['uri-id']    = ItemURI::insert(['uri' => $event['uri'], 'guid' => $event['guid']]);
 		$event['type']      =       ($arr['type']      ?? '') ?: 'event';
 		$event['summary']   =        $arr['summary']   ?? '';
 		$event['desc']      =        $arr['desc']      ?? '';
@@ -937,7 +938,7 @@ class Event
 		$tpl = Renderer::getMarkupTemplate('event_stream_item.tpl');
 		$return = Renderer::replaceMacros($tpl, [
 			'$id'             => $item['event-id'],
-			'$title'          => BBCode::convert($item['event-summary']),
+			'$title'          => BBCode::convertForItem($item['uri-id'], $item['event-summary']),
 			'$dtstart_label'  => DI::l10n()->t('Starts:'),
 			'$dtstart_title'  => $dtstart_title,
 			'$dtstart_dt'     => $dtstart_dt,
@@ -955,7 +956,7 @@ class Event
 			'$author_name'    => $item['author-name'],
 			'$author_link'    => $profile_link,
 			'$author_avatar'  => $item['author-avatar'],
-			'$description'    => BBCode::convert($item['event-desc']),
+			'$description'    => BBCode::convertForItem($item['uri-id'], $item['event-desc']),
 			'$location_label' => DI::l10n()->t('Location:'),
 			'$show_map_label' => DI::l10n()->t('Show map'),
 			'$hide_map_label' => DI::l10n()->t('Hide map'),

src/Model/Item.php

@@ -2640,7 +2640,7 @@ class Item
 		) {
 			self::addRedirToImageTags($item);
 
-			$item['rendered-html'] = BBCode::convert($item['body'], true, BBCode::INTERNAL, false, $item['uri-id']);
+			$item['rendered-html'] = BBCode::convertForItem($item['uri-id'], $item['body']);
 			$item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
 
 			$hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];

src/Module/Api/Mastodon/Statuses.php

@@ -140,6 +140,8 @@ class Statuses extends BaseApi
 			$item['gravity']     = GRAVITY_COMMENT;
 			$item['object-type'] = Activity\ObjectType::COMMENT;
 		} else {
+			self::checkThrottleLimit();
+
 			$item['gravity']     = GRAVITY_PARENT;
 			$item['object-type'] = Activity\ObjectType::NOTE;
 		}

src/Module/BaseApi.php

@@ -25,9 +25,11 @@ use Friendica\BaseModule;
 use Friendica\Core\Logger;
 use Friendica\Core\System;
 use Friendica\DI;
+use Friendica\Model\Post;
 use Friendica\Network\HTTPException;
 use Friendica\Security\BasicAuth;
 use Friendica\Security\OAuth;
+use Friendica\Util\DateTimeFormat;
 use Friendica\Util\HTTPInputData;
 
 require_once __DIR__ . '/../../include/api.php';
@@ -282,6 +284,60 @@ class BaseApi extends BaseModule
 		}
 	}
 
+	public static function checkThrottleLimit()
+	{
+		$uid = self::getCurrentUserID();
+
+		// Check for throttling (maximum posts per day, week and month)
+		$throttle_day = DI::config()->get('system', 'throttle_limit_day');
+		if ($throttle_day > 0) {
+			$datefrom = date(DateTimeFormat::MYSQL, time() - 24*60*60);
+
+			$condition = ["`gravity` = ? AND `uid` = ? AND `wall` AND `received` > ?", GRAVITY_PARENT, $uid, $datefrom];
+			$posts_day = Post::count($condition);
+
+			if ($posts_day > $throttle_day) {
+				Logger::info('Daily posting limit reached', ['uid' => $uid, 'posts' => $posts_day, 'limit' => $throttle_day]);
+				$error = DI::l10n()->t('Too Many Requests');
+				$error_description = DI::l10n()->tt("Daily posting limit of %d post reached. The post was rejected.", "Daily posting limit of %d posts reached. The post was rejected.", $throttle_day);
+				$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
+				System::jsonError(429, $errorobj->toArray());
+			}
+		}
+
+		$throttle_week = DI::config()->get('system', 'throttle_limit_week');
+		if ($throttle_week > 0) {
+			$datefrom = date(DateTimeFormat::MYSQL, time() - 24*60*60*7);
+
+			$condition = ["`gravity` = ? AND `uid` = ? AND `wall` AND `received` > ?", GRAVITY_PARENT, $uid, $datefrom];
+			$posts_week = Post::count($condition);
+
+			if ($posts_week > $throttle_week) {
+				Logger::info('Weekly posting limit reached', ['uid' => $uid, 'posts' => $posts_week, 'limit' => $throttle_week]);
+				$error = DI::l10n()->t('Too Many Requests');
+				$error_description = DI::l10n()->tt("Weekly posting limit of %d post reached. The post was rejected.", "Weekly posting limit of %d posts reached. The post was rejected.", $throttle_week);
+				$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
+				System::jsonError(429, $errorobj->toArray());
+			}
+		}
+
+		$throttle_month = DI::config()->get('system', 'throttle_limit_month');
+		if ($throttle_month > 0) {
+			$datefrom = date(DateTimeFormat::MYSQL, time() - 24*60*60*30);
+
+			$condition = ["`gravity` = ? AND `uid` = ? AND `wall` AND `received` > ?", GRAVITY_PARENT, $uid, $datefrom];
+			$posts_month = Post::count($condition);
+
+			if ($posts_month > $throttle_month) {
+				Logger::info('Monthly posting limit reached', ['uid' => $uid, 'posts' => $posts_month, 'limit' => $throttle_month]);
+				$error = DI::l10n()->t('Too Many Requests');
+				$error_description = DI::l10n()->t("Monthly posting limit of %d post reached. The post was rejected.", "Monthly posting limit of %d posts reached. The post was rejected.", $throttle_month);
+				$errorobj = new \Friendica\Object\Api\Mastodon\Error($error, $error_description);
+				System::jsonError(429, $errorobj->toArray());
+			}
+		}
+	}
+
 	/**
 	 * Get user info array.
 	 *

src/Object/Api/Mastodon/Status.php

@@ -131,7 +131,7 @@ class Status extends BaseDataTransferObject
 		$this->muted = $userAttributes->muted;
 		$this->bookmarked = $userAttributes->bookmarked;
 		$this->pinned = $userAttributes->pinned;
-		$this->content = BBCode::convert($item['raw-body'] ?? $item['body'], false, BBCode::API, false, $item['uri-id']);
+		$this->content = BBCode::convertForItem($item['uri-id'], ($item['raw-body'] ?? $item['body']), BBCode::API);
 		$this->reblog = $reblog;
 		$this->application = $application->toArray();
 		$this->account = $account->toArray();

src/Protocol/ActivityPub/Transmitter.php

@@ -1464,7 +1464,7 @@ class Transmitter
 	{
 		$event = [];
 		$event['name'] = $item['event-summary'];
-		$event['content'] = BBCode::convert($item['event-desc'], false, BBCode::ACTIVITYPUB, false, $item['uri-id']);
+		$event['content'] = BBCode::convertForItem($item['uri-id'], $item['event-desc'], BBCode::ACTIVITYPUB);
 		$event['startTime'] = DateTimeFormat::utc($item['event-start'] . '+00:00', DateTimeFormat::ATOM);
 
 		if (!$item['event-nofinish']) {
@@ -1571,7 +1571,7 @@ class Transmitter
 			$regexp = "/[@!]\[url\=([^\[\]]*)\].*?\[\/url\]/ism";
 			$body = preg_replace_callback($regexp, ['self', 'mentionCallback'], $body);
 
-			$data['content'] = BBCode::convert($body, false, BBCode::ACTIVITYPUB, false, $item['uri-id']);
+			$data['content'] = BBCode::convertForItem($item['uri-id'], $body, BBCode::ACTIVITYPUB);
 		}
 
 		// The regular "content" field does contain a minimized HTML. This is done since systems like
@@ -1583,7 +1583,7 @@ class Transmitter
 			$richbody = preg_replace_callback($regexp, ['self', 'mentionCallback'], $item['body']);
 			$richbody = BBCode::removeAttachment($richbody);
 
-			$data['contentMap'][$language] = BBCode::convert($richbody, false, BBCode::EXTERNAL, false, $item['uri-id']);
+			$data['contentMap'][$language] = BBCode::convertForItem($item['uri-id'], $richbody, BBCode::EXTERNAL);
 		}
 
 		$data['source'] = ['content' => $item['body'], 'mediaType' => "text/bbcode"];

src/Protocol/DFRN.php

@@ -918,7 +918,7 @@ class DFRN
 				$htmlbody = "[b]" . $item['title'] . "[/b]\n\n" . $htmlbody;
 			}
 
-			$htmlbody = BBCode::convert($htmlbody, false, BBCode::OSTATUS, false, $item['uri-id']);
+			$htmlbody = BBCode::convert($item['uri-id'], $htmlbody, BBCode::OSTATUS);
 		}
 
 		$author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);

src/Protocol/Feed.php

@@ -1109,7 +1109,7 @@ class Feed
 
 		$body = OStatus::formatPicturePost($item['body'], $item['uri-id']);
 
-		$body = BBCode::convert($body, false, BBCode::OSTATUS, false, $item['uri-id']);
+		$body = BBCode::convertForItem($item['uri-id'], $body, BBCode::OSTATUS, false);
 
 		XML::addElement($doc, $entry, "content", $body, ["type" => "html"]);
 
@@ -1186,7 +1186,7 @@ class Feed
 	private static function getTitle(array $item)
 	{
 		if ($item['title'] != '') {
-			return BBCode::convert($item['title'], false, BBCode::OSTATUS, false, $item['uri-id']);
+			return BBCode::convertForItem($item['uri-id'], $item['title'], BBCode::OSTATUS);
 		}
 
 		// Fetch information about the post

src/Protocol/OStatus.php

@@ -1803,7 +1803,7 @@ class OStatus
 
 		if (!$toplevel) {
 			if (!empty($item['title'])) {
-				$title = BBCode::convert($item['title'], false, BBCode::OSTATUS, false, $item['uri-id']);
+				$title = BBCode::convertForItem($item['uri-id'], $item['title'], BBCode::OSTATUS);
 			} else {
 				$title = sprintf("New note by %s", $owner["nick"]);
 			}
@@ -1892,7 +1892,7 @@ class OStatus
 			$body = "[b]".$item['title']."[/b]\n\n".$body;
 		}
 
-		$body = BBCode::convert($body, false, BBCode::OSTATUS, false, $item['uri-id']);
+		$body = BBCode::convertForItem($item['uri-id'], $body, BBCode::OSTATUS);
 
 		XML::addElement($doc, $entry, "content", $body, ["type" => "html"]);
 

src/Worker/ExpirePosts.php

@@ -183,6 +183,7 @@ class ExpirePosts
 			AND NOT EXISTS(SELECT `thr-parent-id` FROM `post-user` WHERE `thr-parent-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `external-id` FROM `post-user` WHERE `external-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `uri-id` FROM `mail` WHERE `uri-id` = `item-uri`.`id`)
+			AND NOT EXISTS(SELECT `uri-id` FROM `event` WHERE `uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `parent-uri-id` FROM `mail` WHERE `parent-uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `thr-parent-id` FROM `mail` WHERE `thr-parent-id` = `item-uri`.`id`)", $item['uri-id']]);
 

static/dbstructure.config.php

@@ -55,7 +55,7 @@
 use Friendica\Database\DBA;
 
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1425);
+	define('DB_UPDATE_VERSION', 1426);
 }
 
 return [
@@ -628,6 +628,7 @@ return [
 			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"], "comment" => "Owner User id"],
 			"cid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id"], "comment" => "contact_id (ID of the contact in contact table)"],
 			"uri" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
+			"uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the event uri"],
 			"created" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "creation time"],
 			"edited" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "last edit time"],
 			"start" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "event start time"],
@@ -648,6 +649,7 @@ return [
 			"PRIMARY" => ["id"],
 			"uid_start" => ["uid", "start"],
 			"cid" => ["cid"],
+			"uri-id" => ["uri-id"],
 		]
 	],
 	"fcontact" => [