4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\Content\Text\BBCode;
10 use Friendica\Content\Text\HTML;
11 use Friendica\Core\Config;
12 use Friendica\Core\Hook;
13 use Friendica\Core\L10n;
14 use Friendica\Core\Logger;
15 use Friendica\Core\Protocol;
16 use Friendica\Core\Renderer;
17 use Friendica\Core\Session;
18 use Friendica\Core\System;
19 use Friendica\Core\Worker;
20 use Friendica\Database\DBA;
22 use Friendica\Protocol\Activity;
23 use Friendica\Protocol\ActivityPub;
24 use Friendica\Protocol\Diaspora;
25 use Friendica\Protocol\OStatus;
26 use Friendica\Util\DateTimeFormat;
27 use Friendica\Util\Map;
28 use Friendica\Util\Network;
29 use Friendica\Util\Security;
30 use Friendica\Util\Strings;
31 use Friendica\Util\XML;
32 use Friendica\Worker\Delivery;
33 use Text_LanguageDetect;
37 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
44 const PT_DOCUMENT = 19;
46 const PT_PERSONAL_NOTE = 128;
48 // Field list that is used to display the items
49 const DISPLAY_FIELDLIST = [
50 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
51 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
52 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
53 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
54 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
55 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
56 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
57 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
58 'writable', 'self', 'cid', 'alias', 'pinned',
59 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
60 'event-summary', 'event-desc', 'event-location', 'event-type',
61 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
62 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
65 // Field list that is used to deliver items via the protocols
66 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
67 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
68 'private', 'title', 'body', 'location', 'coord', 'app',
69 'attach', 'tag', 'deleted', 'extid', 'post-type',
70 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
71 'author-id', 'author-link', 'owner-link', 'contact-uid',
72 'signed_text', 'signature', 'signer', 'network'];
74 // Field list for "item-content" table that is mixed with the item table
75 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
76 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
77 'object-type', 'object', 'target-type', 'target', 'plink'];
79 // Field list for "item-content" table that is not present in the "item" table
80 const CONTENT_FIELDLIST = ['language'];
82 // All fields in the item table
83 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
84 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
85 'created', 'edited', 'commented', 'received', 'changed', 'verb',
86 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
87 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
88 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
89 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
90 'title', 'content-warning', 'body', 'location', 'coord', 'app',
91 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
92 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
93 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
95 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
96 // The item-activity table only stores the index and needs this array to know the matching activity.
98 Activity::LIKE, Activity::DISLIKE,
99 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
103 private static $legacy_mode = null;
105 public static function isLegacyMode()
107 if (is_null(self::$legacy_mode)) {
108 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
111 return self::$legacy_mode;
115 * Set the pinned state of an item
117 * @param integer $iid Item ID
118 * @param integer $uid User ID
119 * @param boolean $pinned Pinned state
121 public static function setPinned(int $iid, int $uid, bool $pinned)
123 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
127 * Get the pinned state
129 * @param integer $iid Item ID
130 * @param integer $uid User ID
132 * @return boolean pinned state
134 public static function getPinned(int $iid, int $uid)
136 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
137 if (!DBA::isResult($useritem)) {
140 return (bool)$useritem['pinned'];
144 * Select pinned rows from the item table for a given user
146 * @param integer $uid User ID
147 * @param array $selected Array of selected fields, empty for all
148 * @param array $condition Array of fields for condition
149 * @param array $params Array of several parameters
151 * @return boolean|object
154 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
156 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
157 if (!DBA::isResult($useritems)) {
162 while ($useritem = self::fetch($useritems)) {
163 $pinned[] = $useritem['iid'];
165 DBA::close($useritems);
167 if (empty($pinned)) {
171 if (empty($condition) || !is_array($condition)) {
172 $condition = ['iid' => $pinned];
175 $first_key = key($condition);
176 if (!is_int($first_key)) {
177 $condition['iid'] = $pinned;
179 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
180 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
181 $condition = array_merge($condition, $pinned);
185 return self::selectThreadForUser($uid, $selected, $condition, $params);
189 * returns an activity index from an activity string
191 * @param string $activity activity string
192 * @return integer Activity index
194 public static function activityToIndex($activity)
196 $index = array_search($activity, self::ACTIVITIES);
198 if (is_bool($index)) {
206 * returns an activity string from an activity index
208 * @param integer $index activity index
209 * @return string Activity string
211 private static function indexToActivity($index)
213 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
217 return self::ACTIVITIES[$index];
221 * Fetch a single item row
223 * @param mixed $stmt statement object
224 * @return array current row
226 public static function fetch($stmt)
228 $row = DBA::fetch($stmt);
234 // ---------------------- Transform item structure data ----------------------
236 // We prefer the data from the user's contact over the public one
237 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
238 ($row['author-link'] == $row['contact-link'])) {
239 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
240 $row['author-avatar'] = $row['contact-avatar'];
242 if (isset($row['author-name']) && !empty($row['contact-name'])) {
243 $row['author-name'] = $row['contact-name'];
247 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
248 ($row['owner-link'] == $row['contact-link'])) {
249 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
250 $row['owner-avatar'] = $row['contact-avatar'];
252 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
253 $row['owner-name'] = $row['contact-name'];
257 // We can always comment on posts from these networks
258 if (array_key_exists('writable', $row) &&
259 in_array($row['internal-network'], Protocol::FEDERATED)) {
260 $row['writable'] = true;
263 // ---------------------- Transform item content data ----------------------
265 // Fetch data from the item-content table whenever there is content there
266 if (self::isLegacyMode()) {
267 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
268 foreach ($legacy_fields as $field) {
269 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
270 $row[$field] = $row['internal-item-' . $field];
272 unset($row['internal-item-' . $field]);
276 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
277 $row['verb'] = self::indexToActivity($row['internal-activity']);
278 if (array_key_exists('title', $row)) {
281 if (array_key_exists('body', $row)) {
282 $row['body'] = $row['verb'];
284 if (array_key_exists('object', $row)) {
287 if (array_key_exists('object-type', $row)) {
288 $row['object-type'] = Activity\ObjectType::NOTE;
290 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
291 // Posts don't have a target - but having tags or files.
292 // We safe some performance by building tag and file strings only here.
293 // We remove the target since they aren't used for this type.
294 // In mail posts we do store some mail header data in the object.
295 if (array_key_exists('target', $row)) {
300 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
301 // Build the tag string out of the term entries
302 if (array_key_exists('tag', $row) && empty($row['tag'])) {
303 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
306 // Build the file string out of the term entries
307 if (array_key_exists('file', $row) && empty($row['file'])) {
308 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
312 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
313 $row['signed_text'] = $row['interaction'];
316 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
317 $row['ignored'] = $row['internal-user-ignored'];
320 // Remove internal fields
321 unset($row['internal-activity']);
322 unset($row['internal-network']);
323 unset($row['internal-iid']);
324 unset($row['internal-iaid']);
325 unset($row['internal-icid']);
326 unset($row['internal-user-ignored']);
327 unset($row['interaction']);
333 * Fills an array with data from an item query
335 * @param object $stmt statement object
336 * @param bool $do_close
337 * @return array Data array
339 public static function inArray($stmt, $do_close = true) {
340 if (is_bool($stmt)) {
345 while ($row = self::fetch($stmt)) {
355 * Check if item data exists
357 * @param array $condition array of fields for condition
359 * @return boolean Are there rows for that condition?
362 public static function exists($condition) {
363 $stmt = self::select(['id'], $condition, ['limit' => 1]);
365 if (is_bool($stmt)) {
368 $retval = (DBA::numRows($stmt) > 0);
377 * Retrieve a single record from the item table for a given user and returns it in an associative array
379 * @param integer $uid User ID
380 * @param array $selected
381 * @param array $condition
382 * @param array $params
387 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
389 $params['uid'] = $uid;
391 if (empty($selected)) {
392 $selected = Item::DISPLAY_FIELDLIST;
395 return self::selectFirst($selected, $condition, $params);
399 * Select rows from the item table for a given user
401 * @param integer $uid User ID
402 * @param array $selected Array of selected fields, empty for all
403 * @param array $condition Array of fields for condition
404 * @param array $params Array of several parameters
406 * @return boolean|object
409 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
411 $params['uid'] = $uid;
413 if (empty($selected)) {
414 $selected = Item::DISPLAY_FIELDLIST;
417 return self::select($selected, $condition, $params);
421 * Retrieve a single record from the item table and returns it in an associative array
423 * @param array $fields
424 * @param array $condition
425 * @param array $params
430 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
432 $params['limit'] = 1;
434 $result = self::select($fields, $condition, $params);
436 if (is_bool($result)) {
439 $row = self::fetch($result);
446 * Select rows from the item table and returns them as an array
448 * @param array $selected Array of selected fields, empty for all
449 * @param array $condition Array of fields for condition
450 * @param array $params Array of several parameters
455 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
457 $result = self::select($fields, $condition, $params);
459 if (is_bool($result)) {
464 while ($row = self::fetch($result)) {
473 * Select rows from the item table
475 * @param array $selected Array of selected fields, empty for all
476 * @param array $condition Array of fields for condition
477 * @param array $params Array of several parameters
479 * @return boolean|object
482 public static function select(array $selected = [], array $condition = [], $params = [])
487 if (isset($params['uid'])) {
488 $uid = $params['uid'];
492 $fields = self::fieldlist($usermode);
494 $select_fields = self::constructSelectFields($fields, $selected);
496 $condition_string = DBA::buildCondition($condition);
498 $condition_string = self::addTablesToFields($condition_string, $fields);
501 $condition_string = $condition_string . ' AND ' . self::condition(false);
504 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
506 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
508 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
510 return DBA::p($sql, $condition);
514 * Select rows from the starting post in the item table
516 * @param integer $uid User ID
517 * @param array $selected
518 * @param array $condition Array of fields for condition
519 * @param array $params Array of several parameters
521 * @return boolean|object
524 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
526 $params['uid'] = $uid;
528 if (empty($selected)) {
529 $selected = Item::DISPLAY_FIELDLIST;
532 return self::selectThread($selected, $condition, $params);
536 * Retrieve a single record from the starting post in the item table and returns it in an associative array
538 * @param integer $uid User ID
539 * @param array $selected
540 * @param array $condition
541 * @param array $params
546 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
548 $params['uid'] = $uid;
550 if (empty($selected)) {
551 $selected = Item::DISPLAY_FIELDLIST;
554 return self::selectFirstThread($selected, $condition, $params);
558 * Retrieve a single record from the starting post in the item table and returns it in an associative array
560 * @param array $fields
561 * @param array $condition
562 * @param array $params
567 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
569 $params['limit'] = 1;
570 $result = self::selectThread($fields, $condition, $params);
572 if (is_bool($result)) {
575 $row = self::fetch($result);
582 * Select rows from the starting post in the item table
584 * @param array $selected Array of selected fields, empty for all
585 * @param array $condition Array of fields for condition
586 * @param array $params Array of several parameters
588 * @return boolean|object
591 public static function selectThread(array $selected = [], array $condition = [], $params = [])
596 if (isset($params['uid'])) {
597 $uid = $params['uid'];
601 $fields = self::fieldlist($usermode);
603 $fields['thread'] = ['mention', 'ignored', 'iid'];
605 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
606 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
607 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
608 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
610 $select_fields = self::constructSelectFields($fields, $selected);
612 $condition_string = DBA::buildCondition($condition);
614 $condition_string = self::addTablesToFields($condition_string, $threadfields);
615 $condition_string = self::addTablesToFields($condition_string, $fields);
618 $condition_string = $condition_string . ' AND ' . self::condition(true);
621 $param_string = DBA::buildParameter($params);
622 $param_string = self::addTablesToFields($param_string, $threadfields);
623 $param_string = self::addTablesToFields($param_string, $fields);
625 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
627 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
629 return DBA::p($sql, $condition);
633 * Returns a list of fields that are associated with the item table
636 * @return array field list
638 private static function fieldlist($usermode)
642 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
643 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
644 'created', 'edited', 'commented', 'received', 'changed', 'psid',
645 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
646 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
647 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
648 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
649 'network' => 'internal-network', 'icid' => 'internal-icid',
650 'iaid' => 'internal-iaid'];
653 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
656 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
658 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
660 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
662 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
664 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
665 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
667 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
668 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
670 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
671 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
672 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
674 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
676 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
678 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
679 'start' => 'event-start','finish' => 'event-finish',
680 'summary' => 'event-summary','desc' => 'event-desc',
681 'location' => 'event-location', 'type' => 'event-type',
682 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
683 'ignore' => 'event-ignore', 'id' => 'event-id'];
685 $fields['sign'] = ['signed_text', 'signature', 'signer'];
687 $fields['diaspora-interaction'] = ['interaction'];
693 * Returns SQL condition for the "select" functions
695 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
697 * @return string SQL condition
699 private static function condition($thread_mode)
702 $master_table = "`thread`";
704 $master_table = "`item`";
706 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
707 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
708 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
709 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
710 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
711 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
712 GRAVITY_PARENT, GRAVITY_PARENT);
716 * Returns all needed "JOIN" commands for the "select" functions
718 * @param integer $uid User ID
719 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
720 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
723 * @return string The SQL joins for the "select" functions
725 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
728 $master_table = "`thread`";
729 $master_table_key = "`thread`.`iid`";
730 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
732 $master_table = "`item`";
733 $master_table_key = "`item`.`id`";
738 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
739 AND NOT `contact`.`blocked`
740 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
741 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
742 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
743 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
744 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
745 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
746 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
747 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
749 if (strpos($sql_commands, "`contact`.") !== false) {
750 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
752 if (strpos($sql_commands, "`author`.") !== false) {
753 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
755 if (strpos($sql_commands, "`owner`.") !== false) {
756 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
760 if (strpos($sql_commands, "`group_member`.") !== false) {
761 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
764 if (strpos($sql_commands, "`user`.") !== false) {
765 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
768 if (strpos($sql_commands, "`event`.") !== false) {
769 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
772 if (strpos($sql_commands, "`sign`.") !== false) {
773 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
776 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
777 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
780 if (strpos($sql_commands, "`item-activity`.") !== false) {
781 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
784 if (strpos($sql_commands, "`item-content`.") !== false) {
785 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
788 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
789 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
792 if (strpos($sql_commands, "`permissionset`.") !== false) {
793 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
796 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
797 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
800 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
801 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
808 * Add the field list for the "select" functions
810 * @param array $fields The field definition array
811 * @param array $selected The array with the selected fields from the "select" functions
813 * @return string The field list
815 private static function constructSelectFields($fields, $selected)
817 if (!empty($selected)) {
818 $selected[] = 'internal-iid';
819 $selected[] = 'internal-iaid';
820 $selected[] = 'internal-icid';
821 $selected[] = 'internal-network';
824 if (in_array('verb', $selected)) {
825 $selected[] = 'internal-activity';
828 if (in_array('ignored', $selected)) {
829 $selected[] = 'internal-user-ignored';
832 if (in_array('signed_text', $selected)) {
833 $selected[] = 'interaction';
836 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
839 foreach ($fields as $table => $table_fields) {
840 foreach ($table_fields as $field => $select) {
841 if (empty($selected) || in_array($select, $selected)) {
842 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
843 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
845 if (is_int($field)) {
846 $selection[] = "`" . $table . "`.`" . $select . "`";
848 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
853 return implode(", ", $selection);
857 * add table definition to fields in an SQL query
859 * @param string $query SQL query
860 * @param array $fields The field definition array
862 * @return string the changed SQL query
864 private static function addTablesToFields($query, $fields)
866 foreach ($fields as $table => $table_fields) {
867 foreach ($table_fields as $alias => $field) {
868 if (is_int($alias)) {
869 $replace_field = $field;
871 $replace_field = $alias;
874 $search = "/([^\.])`" . $field . "`/i";
875 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
876 $query = preg_replace($search, $replace, $query);
883 * Update existing item entries
885 * @param array $fields The fields that are to be changed
886 * @param array $condition The condition for finding the item entries
888 * In the future we may have to change permissions as well.
889 * Then we had to add the user id as third parameter.
891 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
893 * @return integer|boolean number of affected rows - or "false" if there was an error
894 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
896 public static function update(array $fields, array $condition)
898 if (empty($condition) || empty($fields)) {
902 // To ensure the data integrity we do it in an transaction
905 // We cannot simply expand the condition to check for origin entries
906 // The condition needn't to be a simple array but could be a complex condition.
907 // And we have to execute this query before the update to ensure to fetch the same data.
908 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
910 $content_fields = [];
911 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
912 if (isset($fields[$field])) {
913 $content_fields[$field] = $fields[$field];
914 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
915 unset($fields[$field]);
917 $fields[$field] = null;
922 $delivery_data = ItemDeliveryData::extractFields($fields);
924 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
925 foreach ($clear_fields as $field) {
926 if (array_key_exists($field, $fields)) {
927 $fields[$field] = null;
931 if (array_key_exists('tag', $fields)) {
932 $tags = $fields['tag'];
933 $fields['tag'] = null;
938 if (array_key_exists('file', $fields)) {
939 $files = $fields['file'];
940 $fields['file'] = null;
945 if (!empty($fields)) {
946 $success = DBA::update('item', $fields, $condition);
955 // When there is no content for the "old" item table, this will count the fetched items
956 $rows = DBA::affectedRows();
960 while ($item = DBA::fetch($items)) {
961 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
962 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
964 if (empty($item['iaid'])) {
965 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
966 if (DBA::isResult($item_activity)) {
967 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
968 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
969 if (self::isLegacyMode()) {
970 $item_fields[$field] = null;
972 unset($item_fields[$field]);
975 DBA::update('item', $item_fields, ['id' => $item['id']]);
977 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
978 DBA::delete('item-content', ['id' => $item['icid']]);
981 } elseif (!empty($item['icid'])) {
982 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
984 if (!DBA::exists('item', ['icid' => $item['icid']])) {
985 DBA::delete('item-content', ['id' => $item['icid']]);
989 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
991 if (empty($item['icid'])) {
992 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
993 if (DBA::isResult($item_content)) {
994 $item_fields = ['icid' => $item_content['id']];
995 // Clear all fields in the item table that have a content in the item-content table
996 foreach ($item_content as $field => $content) {
997 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
998 if (self::isLegacyMode()) {
999 $item_fields[$field] = null;
1001 unset($item_fields[$field]);
1005 DBA::update('item', $item_fields, ['id' => $item['id']]);
1010 if (!is_null($tags)) {
1011 Term::insertFromTagFieldByItemId($item['id'], $tags);
1012 if (!empty($item['tag'])) {
1013 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1017 if (!is_null($files)) {
1018 Term::insertFromFileFieldByItemId($item['id'], $files);
1019 if (!empty($item['file'])) {
1020 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1024 ItemDeliveryData::update($item['id'], $delivery_data);
1026 self::updateThread($item['id']);
1028 // We only need to notfiy others when it is an original entry from us.
1029 // Only call the notifier when the item has some content relevant change.
1030 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1031 $notify_items[] = $item['id'];
1038 foreach ($notify_items as $notify_item) {
1039 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1046 * Delete an item and notify others about it - if it was ours
1048 * @param array $condition The condition for finding the item entries
1049 * @param integer $priority Priority for the notification
1050 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1052 public static function delete($condition, $priority = PRIORITY_HIGH)
1054 $items = self::select(['id'], $condition);
1055 while ($item = self::fetch($items)) {
1056 self::deleteById($item['id'], $priority);
1062 * Delete an item for an user and notify others about it - if it was ours
1064 * @param array $condition The condition for finding the item entries
1065 * @param integer $uid User who wants to delete this item
1066 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1068 public static function deleteForUser($condition, $uid)
1074 $items = self::select(['id', 'uid'], $condition);
1075 while ($item = self::fetch($items)) {
1076 // "Deleting" global items just means hiding them
1077 if ($item['uid'] == 0) {
1078 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1080 // Delete notifications
1081 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1082 } elseif ($item['uid'] == $uid) {
1083 self::deleteById($item['id'], PRIORITY_HIGH);
1085 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1092 * Delete an item and notify others about it - if it was ours
1094 * @param integer $item_id Item ID that should be delete
1095 * @param integer $priority Priority for the notification
1097 * @return boolean success
1098 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1100 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1102 // locate item to be deleted
1103 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1104 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1105 'verb', 'object-type', 'object', 'target', 'contact-id',
1106 'icid', 'iaid', 'psid'];
1107 $item = self::selectFirst($fields, ['id' => $item_id]);
1108 if (!DBA::isResult($item)) {
1109 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1113 if ($item['deleted']) {
1114 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1118 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1119 if (!DBA::isResult($parent)) {
1120 $parent = ['origin' => false];
1123 // clean up categories and tags so they don't end up as orphans
1126 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1129 foreach ($matches as $mtch) {
1130 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1136 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1139 foreach ($matches as $mtch) {
1140 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1145 * If item is a link to a photo resource, nuke all the associated photos
1146 * (visitors will not have photo resources)
1147 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1148 * generate a resource-id and therefore aren't intimately linked to the item.
1150 /// @TODO: this should first check if photo is used elsewhere
1151 if (strlen($item['resource-id'])) {
1152 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1155 // If item is a link to an event, delete the event.
1156 if (intval($item['event-id'])) {
1157 Event::delete($item['event-id']);
1160 // If item has attachments, drop them
1161 /// @TODO: this should first check if attachment is used elsewhere
1162 foreach (explode(",", $item['attach']) as $attach) {
1163 preg_match("|attach/(\d+)|", $attach, $matches);
1164 if (is_array($matches) && count($matches) > 1) {
1165 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1169 // Delete tags that had been attached to other items
1170 self::deleteTagsFromItem($item);
1172 // Delete notifications
1173 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1175 // Set the item to "deleted"
1176 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1177 DBA::update('item', $item_fields, ['id' => $item['id']]);
1179 Term::insertFromTagFieldByItemId($item['id'], '');
1180 Term::insertFromFileFieldByItemId($item['id'], '');
1181 self::deleteThread($item['id'], $item['parent-uri']);
1183 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1184 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1187 ItemDeliveryData::delete($item['id']);
1189 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1191 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1192 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1194 // When the permission set will be used in photo and events as well,
1195 // this query here needs to be extended.
1196 // @todo Currently deactivated. We need the permission set in the deletion process.
1197 // This is a reminder to add the removal somewhere else.
1198 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1199 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1202 // If it's the parent of a comment thread, kill all the kids
1203 if ($item['id'] == $item['parent']) {
1204 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1207 // Is it our comment and/or our thread?
1208 if ($item['origin'] || $parent['origin']) {
1210 // When we delete the original post we will delete all existing copies on the server as well
1211 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1213 // send the notification upstream/downstream
1214 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1215 } elseif ($item['uid'] != 0) {
1217 // When we delete just our local user copy of an item, we have to set a marker to hide it
1218 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1219 if (DBA::isResult($global_item)) {
1220 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1224 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1229 private static function deleteTagsFromItem($item)
1231 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1235 $xo = XML::parseString($item["object"], false);
1236 $xt = XML::parseString($item["target"], false);
1238 if ($xt->type != Activity\ObjectType::NOTE) {
1242 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1243 if (!DBA::isResult($i)) {
1247 // For tags, the owner cannot remove the tag on the author's copy of the post.
1248 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1249 $author_copy = $item["origin"];
1251 if (($owner_remove && $author_copy) || !$owner_remove) {
1255 $tags = explode(',', $i["tag"]);
1258 foreach ($tags as $tag) {
1259 if (trim($tag) !== trim($xo->body)) {
1260 $newtags[] = trim($tag);
1264 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1267 private static function guid($item, $notify)
1269 if (!empty($item['guid'])) {
1270 return Strings::escapeTags(trim($item['guid']));
1274 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1275 // We add the hash of our own host because our host is the original creator of the post.
1276 $prefix_host = DI::baseUrl()->getHostname();
1280 // We are only storing the post so we create a GUID from the original hostname.
1281 if (!empty($item['author-link'])) {
1282 $parsed = parse_url($item['author-link']);
1283 if (!empty($parsed['host'])) {
1284 $prefix_host = $parsed['host'];
1288 if (empty($prefix_host) && !empty($item['plink'])) {
1289 $parsed = parse_url($item['plink']);
1290 if (!empty($parsed['host'])) {
1291 $prefix_host = $parsed['host'];
1295 if (empty($prefix_host) && !empty($item['uri'])) {
1296 $parsed = parse_url($item['uri']);
1297 if (!empty($parsed['host'])) {
1298 $prefix_host = $parsed['host'];
1302 // Is it in the format data@host.tld? - Used for mail contacts
1303 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1304 $mailparts = explode('@', $item['author-link']);
1305 $prefix_host = array_pop($mailparts);
1309 if (!empty($item['plink'])) {
1310 $guid = self::guidFromUri($item['plink'], $prefix_host);
1311 } elseif (!empty($item['uri'])) {
1312 $guid = self::guidFromUri($item['uri'], $prefix_host);
1314 $guid = System::createUUID(hash('crc32', $prefix_host));
1320 private static function contactId($item)
1322 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1323 return $item['contact-id'];
1324 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1325 return $item['contact-id'];
1326 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1327 return $item['author-id'];
1328 } elseif (!empty($item['contact-id'])) {
1329 return $item['contact-id'];
1331 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1332 if (!empty($contact_id)) {
1336 return $item['author-id'];
1339 // This function will finally cover most of the preparation functionality in mod/item.php
1340 public static function prepare(&$item)
1343 * @TODO: Unused code triggering inspection errors
1345 $data = BBCode::getAttachmentData($item['body']);
1346 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1347 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1348 $posttype = Item::PT_PAGE;
1349 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1355 * Write an item array into a spool file to be inserted later.
1356 * This command is called whenever there are issues storing an item.
1358 * @param array $item The item fields that are to be inserted
1359 * @throws \Exception
1361 private static function spool($orig_item)
1363 // Now we store the data in the spool directory
1364 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1365 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1367 $spoolpath = get_spoolpath();
1368 if ($spoolpath != "") {
1369 $spool = $spoolpath . '/' . $file;
1371 file_put_contents($spool, json_encode($orig_item));
1372 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1376 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1380 $priority = PRIORITY_HIGH;
1382 // If it is a posting where users should get notifications, then define it as wall posting
1385 $item['origin'] = 1;
1386 $item['network'] = Protocol::DFRN;
1387 $item['protocol'] = Conversation::PARCEL_DFRN;
1389 if (is_int($notify)) {
1390 $priority = $notify;
1393 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1396 $item['guid'] = self::guid($item, $notify);
1397 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1400 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1402 // Store conversation data
1403 $item = Conversation::insert($item);
1406 * If a Diaspora signature structure was passed in, pull it out of the
1407 * item array and set it aside for later storage.
1411 if (isset($item['dsprsig'])) {
1412 $encoded_signature = $item['dsprsig'];
1413 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1414 unset($item['dsprsig']);
1417 $diaspora_signed_text = '';
1418 if (isset($item['diaspora_signed_text'])) {
1419 $diaspora_signed_text = $item['diaspora_signed_text'];
1420 unset($item['diaspora_signed_text']);
1423 // Converting the plink
1424 /// @TODO Check if this is really still needed
1425 if ($item['network'] == Protocol::OSTATUS) {
1426 if (isset($item['plink'])) {
1427 $item['plink'] = OStatus::convertHref($item['plink']);
1428 } elseif (isset($item['uri'])) {
1429 $item['plink'] = OStatus::convertHref($item['uri']);
1433 if (!empty($item['thr-parent'])) {
1434 $item['parent-uri'] = $item['thr-parent'];
1437 $activity = DI::activity();
1439 if (isset($item['gravity'])) {
1440 $item['gravity'] = intval($item['gravity']);
1441 } elseif ($item['parent-uri'] === $item['uri']) {
1442 $item['gravity'] = GRAVITY_PARENT;
1443 } elseif ($activity->match($item['verb'], Activity::POST)) {
1444 $item['gravity'] = GRAVITY_COMMENT;
1445 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1446 $item['gravity'] = GRAVITY_ACTIVITY;
1448 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1449 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1452 $uid = intval($item['uid']);
1454 // check for create date and expire time
1455 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1457 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1458 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1459 $expire_interval = $user['expire'];
1462 if (($expire_interval > 0) && !empty($item['created'])) {
1463 $expire_date = time() - ($expire_interval * 86400);
1464 $created_date = strtotime($item['created']);
1465 if ($created_date < $expire_date) {
1466 Logger::notice('Item created before expiration interval.', [
1467 'created' => date('c', $created_date),
1468 'expired' => date('c', $expire_date),
1476 * Do we already have this item?
1477 * We have to check several networks since Friendica posts could be repeated
1478 * via OStatus (maybe Diasporsa as well)
1480 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1481 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1482 trim($item['uri']), $item['uid'],
1483 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1484 $existing = self::selectFirst(['id', 'network'], $condition);
1485 if (DBA::isResult($existing)) {
1486 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1488 Logger::notice('Item already existed for user', [
1489 'uri' => $item['uri'],
1491 'network' => $item['network'],
1492 'existing_id' => $existing["id"],
1493 'existing_network' => $existing["network"]
1497 return $existing["id"];
1501 $item['wall'] = intval($item['wall'] ?? 0);
1502 $item['extid'] = trim($item['extid'] ?? '');
1503 $item['author-name'] = trim($item['author-name'] ?? '');
1504 $item['author-link'] = trim($item['author-link'] ?? '');
1505 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1506 $item['owner-name'] = trim($item['owner-name'] ?? '');
1507 $item['owner-link'] = trim($item['owner-link'] ?? '');
1508 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1509 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1510 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1511 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1512 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1513 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1514 $item['title'] = trim($item['title'] ?? '');
1515 $item['location'] = trim($item['location'] ?? '');
1516 $item['coord'] = trim($item['coord'] ?? '');
1517 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1518 $item['deleted'] = 0;
1519 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1520 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1521 $item['verb'] = trim($item['verb'] ?? '');
1522 $item['object-type'] = trim($item['object-type'] ?? '');
1523 $item['object'] = trim($item['object'] ?? '');
1524 $item['target-type'] = trim($item['target-type'] ?? '');
1525 $item['target'] = trim($item['target'] ?? '');
1526 $item['plink'] = trim($item['plink'] ?? '');
1527 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1528 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1529 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1530 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1531 $item['private'] = intval($item['private'] ?? 0);
1532 $item['body'] = trim($item['body'] ?? '');
1533 $item['tag'] = trim($item['tag'] ?? '');
1534 $item['attach'] = trim($item['attach'] ?? '');
1535 $item['app'] = trim($item['app'] ?? '');
1536 $item['origin'] = intval($item['origin'] ?? 0);
1537 $item['postopts'] = trim($item['postopts'] ?? '');
1538 $item['resource-id'] = trim($item['resource-id'] ?? '');
1539 $item['event-id'] = intval($item['event-id'] ?? 0);
1540 $item['inform'] = trim($item['inform'] ?? '');
1541 $item['file'] = trim($item['file'] ?? '');
1543 // When there is no content then we don't post it
1544 if ($item['body'].$item['title'] == '') {
1545 Logger::notice('No body, no title.');
1549 self::addLanguageToItemArray($item);
1551 // Items cannot be stored before they happen ...
1552 if ($item['created'] > DateTimeFormat::utcNow()) {
1553 $item['created'] = DateTimeFormat::utcNow();
1556 // We haven't invented time travel by now.
1557 if ($item['edited'] > DateTimeFormat::utcNow()) {
1558 $item['edited'] = DateTimeFormat::utcNow();
1561 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1563 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1564 'photo' => $item['author-avatar'], 'network' => $item['network']];
1566 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1568 if (Contact::isBlocked($item['author-id'])) {
1569 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1573 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1574 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1578 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1579 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1583 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1584 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1586 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1588 if (Contact::isBlocked($item['owner-id'])) {
1589 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1593 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1594 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1598 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1599 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1603 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1604 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1605 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1609 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1610 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1614 // We don't store the causer, we only have it here for the checks above
1615 unset($item['causer-id']);
1616 unset($item['causer-link']);
1618 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1619 $item["contact-id"] = self::contactId($item);
1621 if ($item['network'] == Protocol::PHANTOM) {
1622 $item['network'] = Protocol::DFRN;
1623 Logger::notice('Missing network, setting to {network}.', [
1624 'uri' => $item["uri"],
1625 'network' => $item['network'],
1626 'callstack' => System::callstack()
1630 // Checking if there is already an item with the same guid
1631 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1632 if (self::exists($condition)) {
1633 Logger::notice('Found already existing item', [
1634 'guid' => $item['guid'],
1635 'uid' => $item['uid'],
1636 'network' => $item['network']
1641 if ($item['verb'] == Activity::FOLLOW) {
1642 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1643 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1644 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1648 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1649 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1650 if (self::exists($condition)) {
1651 // It happens that we receive multiple follow requests by the same author - we only store one.
1652 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1657 // Check for hashtags in the body and repair or add hashtag links
1658 self::setHashtags($item);
1660 $item['thr-parent'] = $item['parent-uri'];
1662 $notify_type = Delivery::POST;
1668 if ($item['parent-uri'] === $item['uri']) {
1670 $parent_deleted = 0;
1671 $allow_cid = $item['allow_cid'];
1672 $allow_gid = $item['allow_gid'];
1673 $deny_cid = $item['deny_cid'];
1674 $deny_gid = $item['deny_gid'];
1676 // find the parent and snarf the item id and ACLs
1677 // and anything else we need to inherit
1679 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1680 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1681 'wall', 'private', 'forum_mode', 'origin'];
1682 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1683 $params = ['order' => ['id' => false]];
1684 $parent = self::selectFirst($fields, $condition, $params);
1686 if (DBA::isResult($parent)) {
1687 // is the new message multi-level threaded?
1688 // even though we don't support it now, preserve the info
1689 // and re-attach to the conversation parent.
1691 if ($parent['uri'] != $parent['parent-uri']) {
1692 $item['parent-uri'] = $parent['parent-uri'];
1694 $condition = ['uri' => $item['parent-uri'],
1695 'parent-uri' => $item['parent-uri'],
1696 'uid' => $item['uid']];
1697 $params = ['order' => ['id' => false]];
1698 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1700 if (DBA::isResult($toplevel_parent)) {
1701 $parent = $toplevel_parent;
1705 $parent_id = $parent['id'];
1706 $parent_deleted = $parent['deleted'];
1707 $allow_cid = $parent['allow_cid'];
1708 $allow_gid = $parent['allow_gid'];
1709 $deny_cid = $parent['deny_cid'];
1710 $deny_gid = $parent['deny_gid'];
1711 $item['wall'] = $parent['wall'];
1714 * If the parent is private, force privacy for the entire conversation
1715 * This differs from the above settings as it subtly allows comments from
1716 * email correspondents to be private even if the overall thread is not.
1718 if ($parent['private']) {
1719 $item['private'] = $parent['private'];
1723 * Edge case. We host a public forum that was originally posted to privately.
1724 * The original author commented, but as this is a comment, the permissions
1725 * weren't fixed up so it will still show the comment as private unless we fix it here.
1727 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1728 $item['private'] = 0;
1731 // If its a post that originated here then tag the thread as "mention"
1732 if ($item['origin'] && $item['uid']) {
1733 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1734 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1738 * Allow one to see reply tweets from status.net even when
1739 * we don't have or can't see the original post.
1741 if ($force_parent) {
1742 Logger::log('$force_parent=true, reply converted to top-level post.');
1744 $item['parent-uri'] = $item['uri'];
1745 $item['gravity'] = GRAVITY_PARENT;
1747 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1751 $parent_deleted = 0;
1755 if (stristr($item['verb'], Activity::POKE)) {
1756 $notify_type = Delivery::POKE;
1759 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1760 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1762 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1763 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1764 if (self::exists($condition)) {
1765 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1769 // On Friendica and Diaspora the GUID is unique
1770 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1771 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1772 if (self::exists($condition)) {
1773 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1776 } elseif ($item['network'] == Protocol::OSTATUS) {
1777 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1778 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1779 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1780 if (self::exists($condition)) {
1781 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1786 // Is this item available in the global items (with uid=0)?
1787 if ($item["uid"] == 0) {
1788 $item["global"] = true;
1790 // Set the global flag on all items if this was a global item entry
1791 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1793 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1797 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1800 $private = $item['private'];
1803 $item["allow_cid"] = $allow_cid;
1804 $item["allow_gid"] = $allow_gid;
1805 $item["deny_cid"] = $deny_cid;
1806 $item["deny_gid"] = $deny_gid;
1807 $item["private"] = $private;
1808 $item["deleted"] = $parent_deleted;
1810 // Fill the cache field
1811 self::putInCache($item);
1814 $item['edit'] = false;
1815 $item['parent'] = $parent_id;
1816 Hook::callAll('post_local', $item);
1817 unset($item['edit']);
1818 unset($item['parent']);
1820 Hook::callAll('post_remote', $item);
1823 // This array field is used to trigger some automatic reactions
1824 // It is mainly used in the "post_local" hook.
1825 unset($item['api_source']);
1827 if (!empty($item['cancel'])) {
1828 Logger::log('post cancelled by addon.');
1833 * Check for already added items.
1834 * There is a timing issue here that sometimes creates double postings.
1835 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1837 if ($item["uid"] == 0) {
1838 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1839 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1844 Logger::log('' . print_r($item,true), Logger::DATA);
1846 if (array_key_exists('tag', $item)) {
1847 $tags = $item['tag'];
1848 unset($item['tag']);
1853 if (array_key_exists('file', $item)) {
1854 $files = $item['file'];
1855 unset($item['file']);
1860 // Creates or assigns the permission set
1861 $item['psid'] = PermissionSet::fetchIDForPost($item);
1863 // We are doing this outside of the transaction to avoid timing problems
1864 if (!self::insertActivity($item)) {
1865 self::insertContent($item);
1868 $delivery_data = ItemDeliveryData::extractFields($item);
1870 unset($item['postopts']);
1871 unset($item['inform']);
1873 // These fields aren't stored anymore in the item table, they are fetched upon request
1874 unset($item['author-link']);
1875 unset($item['author-name']);
1876 unset($item['author-avatar']);
1877 unset($item['author-network']);
1879 unset($item['owner-link']);
1880 unset($item['owner-name']);
1881 unset($item['owner-avatar']);
1883 $like_no_comment = Config::get('system', 'like_no_comment');
1886 $ret = DBA::insert('item', $item);
1888 // When the item was successfully stored we fetch the ID of the item.
1889 if (DBA::isResult($ret)) {
1890 $current_post = DBA::lastInsertId();
1892 // This can happen - for example - if there are locking timeouts.
1895 // Store the data into a spool file so that we can try again later.
1896 self::spool($orig_item);
1900 if ($current_post == 0) {
1901 // This is one of these error messages that never should occur.
1902 Logger::log("couldn't find created item - we better quit now.");
1907 // How much entries have we created?
1908 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1909 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1912 // There are duplicates. We delete our just created entry.
1913 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1915 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1916 DBA::delete('item', ['id' => $current_post]);
1919 } elseif ($entries == 0) {
1920 // This really should never happen since we quit earlier if there were problems.
1921 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1926 Logger::log('created item '.$current_post);
1928 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1929 $parent_id = $current_post;
1933 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1935 $item['id'] = $current_post;
1936 $item['parent'] = $parent_id;
1938 // update the commented timestamp on the parent
1939 // Only update "commented" if it is really a comment
1940 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1941 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1943 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1948 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1949 * We can check for this condition when we decode and encode the stuff again.
1951 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1952 $dsprsig->signature = base64_decode($dsprsig->signature);
1953 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1956 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1957 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1959 // The other fields are used by very old Friendica servers, so we currently store them differently
1960 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1961 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1965 if (!empty($diaspora_signed_text)) {
1966 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1969 if ($item['parent-uri'] === $item['uri']) {
1970 self::addThread($current_post);
1972 self::updateThread($parent_id);
1975 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1976 ItemDeliveryData::insert($current_post, $delivery_data);
1982 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1983 * This is not perfect - but a workable solution until we found the reason for the problem.
1985 if (!empty($tags)) {
1986 Term::insertFromTagFieldByItemId($current_post, $tags);
1989 if (!empty($files)) {
1990 Term::insertFromFileFieldByItemId($current_post, $files);
1993 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1994 if (self::tagDeliver($item['uid'], $current_post)) {
1995 // Get the user information for the logging
1996 $user = User::getById($uid);
1998 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2003 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2004 if (DBA::isResult($posted_item)) {
2006 Hook::callAll('post_local_end', $posted_item);
2008 Hook::callAll('post_remote_end', $posted_item);
2011 Logger::log('new item not found in DB, id ' . $current_post);
2015 if ($item['parent-uri'] === $item['uri']) {
2016 self::addShadow($current_post);
2018 self::addShadowPost($current_post);
2021 self::updateContact($item);
2023 UserItem::setNotification($current_post);
2025 check_user_notification($current_post);
2027 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2028 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2031 return $current_post;
2035 * Insert a new item content entry
2037 * @param array $item The item fields that are to be inserted
2039 * @throws \Exception
2041 private static function insertActivity(&$item)
2043 $activity_index = self::activityToIndex($item['verb']);
2045 if ($activity_index < 0) {
2049 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2051 // We just remove everything that is content
2052 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2053 unset($item[$field]);
2056 // To avoid timing problems, we are using locks.
2057 $locked = DI::lock()->acquire('item_insert_activity');
2059 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2062 // Do we already have this content?
2063 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2064 if (DBA::isResult($item_activity)) {
2065 $item['iaid'] = $item_activity['id'];
2066 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2067 } elseif (DBA::insert('item-activity', $fields)) {
2068 $item['iaid'] = DBA::lastInsertId();
2069 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2071 // This shouldn't happen.
2072 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2073 DI::lock()->release('item_insert_activity');
2077 DI::lock()->release('item_insert_activity');
2083 * Insert a new item content entry
2085 * @param array $item The item fields that are to be inserted
2086 * @throws \Exception
2088 private static function insertContent(&$item)
2090 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2092 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2093 if (isset($item[$field])) {
2094 $fields[$field] = $item[$field];
2095 unset($item[$field]);
2099 // To avoid timing problems, we are using locks.
2100 $locked = DI::lock()->acquire('item_insert_content');
2102 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2105 // Do we already have this content?
2106 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2107 if (DBA::isResult($item_content)) {
2108 $item['icid'] = $item_content['id'];
2109 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2110 } elseif (DBA::insert('item-content', $fields)) {
2111 $item['icid'] = DBA::lastInsertId();
2112 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2114 // This shouldn't happen.
2115 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2118 DI::lock()->release('item_insert_content');
2123 * Update existing item content entries
2125 * @param array $item The item fields that are to be changed
2126 * @param array $condition The condition for finding the item content entries
2128 * @throws \Exception
2130 private static function updateActivity($item, $condition)
2132 if (empty($item['verb'])) {
2135 $activity_index = self::activityToIndex($item['verb']);
2137 if ($activity_index < 0) {
2141 $fields = ['activity' => $activity_index];
2143 Logger::log('Update activity for ' . json_encode($condition));
2145 DBA::update('item-activity', $fields, $condition, true);
2151 * Update existing item content entries
2153 * @param array $item The item fields that are to be changed
2154 * @param array $condition The condition for finding the item content entries
2155 * @throws \Exception
2157 private static function updateContent($item, $condition)
2159 // We have to select only the fields from the "item-content" table
2161 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2162 if (isset($item[$field])) {
2163 $fields[$field] = $item[$field];
2167 if (empty($fields)) {
2168 // when there are no fields at all, just use the condition
2169 // This is to ensure that we always store content.
2170 $fields = $condition;
2173 Logger::log('Update content for ' . json_encode($condition));
2175 DBA::update('item-content', $fields, $condition, true);
2179 * Distributes public items to the receivers
2181 * @param integer $itemid Item ID that should be added
2182 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2183 * @throws \Exception
2185 public static function distribute($itemid, $signed_text = '')
2187 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2188 $parent = self::selectFirst(['owner-id'], $condition);
2189 if (!DBA::isResult($parent)) {
2193 // Only distribute public items from native networks
2194 $condition = ['id' => $itemid, 'uid' => 0,
2195 'network' => array_merge(Protocol::FEDERATED ,['']),
2196 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2197 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2198 if (!DBA::isResult($item)) {
2202 $origin = $item['origin'];
2205 unset($item['parent']);
2206 unset($item['mention']);
2207 unset($item['wall']);
2208 unset($item['origin']);
2209 unset($item['starred']);
2213 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2214 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2215 if (!DBA::isResult($owner)) {
2219 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2220 $contacts = DBA::select('contact', ['uid'], $condition);
2221 while ($contact = DBA::fetch($contacts)) {
2222 if ($contact['uid'] == 0) {
2226 $users[$contact['uid']] = $contact['uid'];
2228 DBA::close($contacts);
2230 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2231 $contacts = DBA::select('contact', ['uid'], $condition);
2232 while ($contact = DBA::fetch($contacts)) {
2233 if ($contact['uid'] == 0) {
2237 $users[$contact['uid']] = $contact['uid'];
2239 DBA::close($contacts);
2241 if (!empty($owner['alias'])) {
2242 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2243 $contacts = DBA::select('contact', ['uid'], $condition);
2244 while ($contact = DBA::fetch($contacts)) {
2245 if ($contact['uid'] == 0) {
2249 $users[$contact['uid']] = $contact['uid'];
2251 DBA::close($contacts);
2256 if ($item['uri'] != $item['parent-uri']) {
2257 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2258 while ($parent = self::fetch($parents)) {
2259 $users[$parent['uid']] = $parent['uid'];
2260 if ($parent['origin'] && !$origin) {
2261 $origin_uid = $parent['uid'];
2266 foreach ($users as $uid) {
2267 if ($origin_uid == $uid) {
2268 $item['diaspora_signed_text'] = $signed_text;
2270 self::storeForUser($itemid, $item, $uid);
2275 * Store public items for the receivers
2277 * @param integer $itemid Item ID that should be added
2278 * @param array $item The item entry that will be stored
2279 * @param integer $uid The user that will receive the item entry
2280 * @throws \Exception
2282 private static function storeForUser($itemid, $item, $uid)
2284 $item['uid'] = $uid;
2285 $item['origin'] = 0;
2287 if ($item['uri'] == $item['parent-uri']) {
2288 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2290 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2293 if (empty($item['contact-id'])) {
2294 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2295 if (!DBA::isResult($self)) {
2298 $item['contact-id'] = $self['id'];
2301 /// @todo Handling of "event-id"
2304 if ($item['uri'] == $item['parent-uri']) {
2305 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2306 if (DBA::isResult($contact)) {
2307 $notify = self::isRemoteSelf($contact, $item);
2311 $distributed = self::insert($item, false, $notify, true);
2313 if (!$distributed) {
2314 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2316 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2321 * Add a shadow entry for a given item id that is a thread starter
2323 * We store every public item entry additionally with the user id "0".
2324 * This is used for the community page and for the search.
2325 * It is planned that in the future we will store public item entries only once.
2327 * @param integer $itemid Item ID that should be added
2328 * @throws \Exception
2330 public static function addShadow($itemid)
2332 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2333 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2334 $item = self::selectFirst($fields, $condition);
2336 if (!DBA::isResult($item)) {
2340 // is it already a copy?
2341 if (($itemid == 0) || ($item['uid'] == 0)) {
2345 // Is it a visible public post?
2346 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2350 // is it an entry from a connector? Only add an entry for natively connected networks
2351 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2355 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2359 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2361 if (DBA::isResult($item)) {
2362 // Preparing public shadow (removing user specific data)
2365 unset($item['parent']);
2366 unset($item['wall']);
2367 unset($item['mention']);
2368 unset($item['origin']);
2369 unset($item['starred']);
2370 unset($item['postopts']);
2371 unset($item['inform']);
2372 if ($item['uri'] == $item['parent-uri']) {
2373 $item['contact-id'] = $item['owner-id'];
2375 $item['contact-id'] = $item['author-id'];
2378 $public_shadow = self::insert($item, false, false, true);
2380 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2385 * Add a shadow entry for a given item id that is a comment
2387 * This function does the same like the function above - but for comments
2389 * @param integer $itemid Item ID that should be added
2390 * @throws \Exception
2392 public static function addShadowPost($itemid)
2394 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2395 if (!DBA::isResult($item)) {
2399 // Is it a toplevel post?
2400 if ($item['id'] == $item['parent']) {
2401 self::addShadow($itemid);
2405 // Is this a shadow entry?
2406 if ($item['uid'] == 0) {
2410 // Is there a shadow parent?
2411 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2415 // Is there already a shadow entry?
2416 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2420 // Save "origin" and "parent" state
2421 $origin = $item['origin'];
2422 $parent = $item['parent'];
2424 // Preparing public shadow (removing user specific data)
2427 unset($item['parent']);
2428 unset($item['wall']);
2429 unset($item['mention']);
2430 unset($item['origin']);
2431 unset($item['starred']);
2432 unset($item['postopts']);
2433 unset($item['inform']);
2434 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2436 $public_shadow = self::insert($item, false, false, true);
2438 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2440 // If this was a comment to a Diaspora post we don't get our comment back.
2441 // This means that we have to distribute the comment by ourselves.
2442 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2443 self::distribute($public_shadow);
2448 * Adds a language specification in a "language" element of given $arr.
2449 * Expects "body" element to exist in $arr.
2452 * @throws \Text_LanguageDetect_Exception
2454 private static function addLanguageToItemArray(&$item)
2456 $naked_body = BBCode::toPlaintext($item['body'], false);
2458 $ld = new Text_LanguageDetect();
2459 $ld->setNameMode(2);
2460 $languages = $ld->detect($naked_body, 3);
2462 if (is_array($languages)) {
2463 $item['language'] = json_encode($languages);
2468 * Creates an unique guid out of a given uri
2470 * @param string $uri uri of an item entry
2471 * @param string $host hostname for the GUID prefix
2472 * @return string unique guid
2474 public static function guidFromUri($uri, $host)
2476 // Our regular guid routine is using this kind of prefix as well
2477 // We have to avoid that different routines could accidentally create the same value
2478 $parsed = parse_url($uri);
2480 // We use a hash of the hostname as prefix for the guid
2481 $guid_prefix = hash("crc32", $host);
2483 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2484 unset($parsed["scheme"]);
2486 // Glue it together to be able to make a hash from it
2487 $host_id = implode("/", $parsed);
2489 // We could use any hash algorithm since it isn't a security issue
2490 $host_hash = hash("ripemd128", $host_id);
2492 return $guid_prefix.$host_hash;
2496 * generate an unique URI
2498 * @param integer $uid User id
2499 * @param string $guid An existing GUID (Otherwise it will be generated)
2502 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2504 public static function newURI($uid, $guid = "")
2507 $guid = System::createUUID();
2510 return DI::baseUrl()->get() . '/objects/' . $guid;
2514 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2516 * This can be used to filter for inactive contacts.
2517 * Only do this for public postings to avoid privacy problems, since poco data is public.
2518 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2520 * @param array $arr Contains the just posted item record
2521 * @throws \Exception
2523 private static function updateContact($arr)
2525 // Unarchive the author
2526 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2527 if (DBA::isResult($contact)) {
2528 Contact::unmarkForArchival($contact);
2531 // Unarchive the contact if it's not our own contact
2532 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2533 if (DBA::isResult($contact)) {
2534 Contact::unmarkForArchival($contact);
2537 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2539 // Is it a forum? Then we don't care about the rules from above
2540 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2541 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2547 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2548 ['id' => $arr['contact-id']]);
2550 // Now do the same for the system wide contacts with uid=0
2551 if (!$arr['private']) {
2552 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2553 ['id' => $arr['owner-id']]);
2555 if ($arr['owner-id'] != $arr['author-id']) {
2556 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2557 ['id' => $arr['author-id']]);
2562 public static function setHashtags(&$item)
2564 $tags = BBCode::getTags($item["body"]);
2567 if (!count($tags)) {
2571 // What happens in [code], stays in [code]!
2572 // escape the # and the [
2573 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2574 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2576 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2578 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2579 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2582 // This sorting is important when there are hashtags that are part of other hashtags
2583 // Otherwise there could be problems with hashtags like #test and #test2
2586 $URLSearchString = "^\[\]";
2588 // All hashtags should point to the home server if "local_tags" is activated
2589 if (Config::get('system', 'local_tags')) {
2590 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2591 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2593 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2594 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2597 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2598 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2600 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2603 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2605 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2608 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2610 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2613 // Repair recursive urls
2614 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2615 "#$2", $item["body"]);
2617 foreach ($tags as $tag) {
2618 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2622 $basetag = str_replace('_',' ',substr($tag,1));
2623 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2625 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2627 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2628 if (strlen($item["tag"])) {
2629 $item["tag"] = ',' . $item["tag"];
2631 $item["tag"] = $newtag . $item["tag"];
2635 // Convert back the masked hashtags
2636 $item["body"] = str_replace("#", "#", $item["body"]);
2638 // Remember! What happens in [code], stays in [code]
2639 // roleback the # and [
2640 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2642 // we truly unESCape all sharp and leftsquarebracket
2643 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2644 $replace = ['#', '['];
2645 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2650 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2653 * @param int $item_id
2654 * @return boolean true if item was deleted, else false
2655 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2656 * @throws \ImagickException
2658 private static function tagDeliver($uid, $item_id)
2662 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2663 if (!DBA::isResult($user)) {
2667 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2668 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2670 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2671 if (!DBA::isResult($item)) {
2675 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2678 * Diaspora uses their own hardwired link URL in @-tags
2679 * instead of the one we supply with webfinger
2681 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2683 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2685 foreach ($matches as $mtch) {
2686 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2688 Logger::log('mention found: ' . $mtch[2]);
2694 if (($community_page || $prvgroup) &&
2695 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2696 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2698 Logger::log("no-mention top-level post to community or private group. delete.");
2699 DBA::delete('item', ['id' => $item_id]);
2705 $arr = ['item' => $item, 'user' => $user];
2707 Hook::callAll('tagged', $arr);
2709 if (!$community_page && !$prvgroup) {
2714 * tgroup delivery - setup a second delivery chain
2715 * prevent delivery looping - only proceed
2716 * if the message originated elsewhere and is a top-level post
2718 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2722 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2723 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2724 if (!DBA::isResult($self)) {
2728 $owner_id = Contact::getIdForURL($self['url']);
2730 // also reset all the privacy bits to the forum default permissions
2732 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2734 $psid = PermissionSet::fetchIDForPost($user);
2736 $forum_mode = ($prvgroup ? 2 : 1);
2738 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2739 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2740 self::update($fields, ['id' => $item_id]);
2742 self::updateThread($item_id);
2744 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2749 public static function isRemoteSelf($contact, &$datarray)
2751 if (!$contact['remote_self']) {
2755 // Prevent the forwarding of posts that are forwarded
2756 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2757 Logger::log('Already forwarded', Logger::DEBUG);
2761 // Prevent to forward already forwarded posts
2762 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2763 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2767 // Only forward posts
2768 if ($datarray["verb"] != Activity::POST) {
2769 Logger::log('No post', Logger::DEBUG);
2773 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2774 Logger::log('Not public', Logger::DEBUG);
2778 $datarray2 = $datarray;
2779 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2780 if ($contact['remote_self'] == 2) {
2781 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2782 ['uid' => $contact['uid'], 'self' => true]);
2783 if (DBA::isResult($self)) {
2784 $datarray['contact-id'] = $self["id"];
2786 $datarray['owner-name'] = $self["name"];
2787 $datarray['owner-link'] = $self["url"];
2788 $datarray['owner-avatar'] = $self["thumb"];
2790 $datarray['author-name'] = $datarray['owner-name'];
2791 $datarray['author-link'] = $datarray['owner-link'];
2792 $datarray['author-avatar'] = $datarray['owner-avatar'];
2794 unset($datarray['edited']);
2796 unset($datarray['network']);
2797 unset($datarray['owner-id']);
2798 unset($datarray['author-id']);
2801 if ($contact['network'] != Protocol::FEED) {
2802 $datarray["guid"] = System::createUUID();
2803 unset($datarray["plink"]);
2804 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2805 $datarray["parent-uri"] = $datarray["uri"];
2806 $datarray["thr-parent"] = $datarray["uri"];
2807 $datarray["extid"] = Protocol::DFRN;
2808 $urlpart = parse_url($datarray2['author-link']);
2809 $datarray["app"] = $urlpart["host"];
2811 $datarray['private'] = 0;
2815 if ($contact['network'] != Protocol::FEED) {
2816 // Store the original post
2817 $result = self::insert($datarray2, false, false);
2818 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2820 $datarray["app"] = "Feed";
2824 // Trigger automatic reactions for addons
2825 $datarray['api_source'] = true;
2827 // We have to tell the hooks who we are - this really should be improved
2828 $_SESSION["authenticated"] = true;
2829 $_SESSION["uid"] = $contact['uid'];
2838 * @param array $item
2841 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2842 * @throws \ImagickException
2844 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2846 if (Config::get('system', 'disable_embedded')) {
2850 Logger::log('check for photos', Logger::DEBUG);
2851 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2856 $img_start = strpos($orig_body, '[img');
2857 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2858 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2860 while (($img_st_close !== false) && ($img_len !== false)) {
2861 $img_st_close++; // make it point to AFTER the closing bracket
2862 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2864 Logger::log('found photo ' . $image, Logger::DEBUG);
2866 if (stristr($image, $site . '/photo/')) {
2867 // Only embed locally hosted photos
2869 $i = basename($image);
2870 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2871 $x = strpos($i, '-');
2874 $res = substr($i, $x + 1);
2875 $i = substr($i, 0, $x);
2876 $photo = Photo::getPhotoForUser($uid, $i, $res);
2877 if (DBA::isResult($photo)) {
2879 * Check to see if we should replace this photo link with an embedded image
2880 * 1. No need to do so if the photo is public
2881 * 2. If there's a contact-id provided, see if they're in the access list
2882 * for the photo. If so, embed it.
2883 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2884 * permissions, regardless of order but first check to see if they're an exact
2885 * match to save some processing overhead.
2887 if (self::hasPermissions($photo)) {
2889 $recips = self::enumeratePermissions($photo);
2890 if (in_array($cid, $recips)) {
2894 if (self::samePermissions($uid, $item, $photo)) {
2900 $photo_img = Photo::getImageForPhoto($photo);
2901 // If a custom width and height were specified, apply before embedding
2902 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2903 Logger::log('scaling photo', Logger::DEBUG);
2905 $width = intval($match[1]);
2906 $height = intval($match[2]);
2908 $photo_img->scaleDown(max($width, $height));
2911 $data = $photo_img->asString();
2912 $type = $photo_img->getType();
2914 Logger::log('replacing photo', Logger::DEBUG);
2915 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2916 Logger::log('replaced: ' . $image, Logger::DATA);
2922 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2923 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2924 if ($orig_body === false) {
2928 $img_start = strpos($orig_body, '[img');
2929 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2930 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2933 $new_body = $new_body . $orig_body;
2938 private static function hasPermissions($obj)
2940 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2941 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2944 private static function samePermissions($uid, $obj1, $obj2)
2946 // first part is easy. Check that these are exactly the same.
2947 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2948 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2949 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2950 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2954 // This is harder. Parse all the permissions and compare the resulting set.
2955 $recipients1 = self::enumeratePermissions($obj1);
2956 $recipients2 = self::enumeratePermissions($obj2);
2960 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2961 return ($recipients1 == $recipients2);
2965 * Returns an array of contact-ids that are allowed to see this object
2967 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2968 * @param bool $check_dead Prunes unavailable contacts from the result
2970 * @throws \Exception
2972 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2974 $aclFormater = DI::aclFormatter();
2976 $allow_people = $aclFormater->expand($obj['allow_cid']);
2977 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2978 $deny_people = $aclFormater->expand($obj['deny_cid']);
2979 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2980 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2981 $deny = array_unique(array_merge($deny_people, $deny_groups));
2982 $recipients = array_diff($recipients, $deny);
2986 public static function getFeedTags($item)
2990 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2992 for ($x = 0; $x < $cnt; $x ++) {
2993 if ($matches[1][$x]) {
2994 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2999 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3001 for ($x = 0; $x < $cnt; $x ++) {
3002 if ($matches[1][$x]) {
3003 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3010 public static function expire($uid, $days, $network = "", $force = false)
3012 if (!$uid || ($days < 1)) {
3016 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3017 $uid, GRAVITY_PARENT];
3020 * $expire_network_only = save your own wall posts
3021 * and just expire conversations started by others
3023 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3025 if ($expire_network_only) {
3026 $condition[0] .= " AND NOT `wall`";
3029 if ($network != "") {
3030 $condition[0] .= " AND `network` = ?";
3031 $condition[] = $network;
3034 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3035 $condition[] = $days;
3037 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3039 if (!DBA::isResult($items)) {
3043 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3045 // Forcing expiring of items - but not notes and marked items
3047 $expire_items = true;
3050 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3051 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3052 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3056 while ($item = Item::fetch($items)) {
3057 // don't expire filed items
3059 if (strpos($item['file'], '[') !== false) {
3063 // Only expire posts, not photos and photo comments
3065 if (!$expire_photos && strlen($item['resource-id'])) {
3067 } elseif (!$expire_starred && intval($item['starred'])) {
3069 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3071 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3075 self::deleteById($item['id'], PRIORITY_LOW);
3080 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3083 public static function firstPostDate($uid, $wall = false)
3085 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3086 $params = ['order' => ['received' => false]];
3087 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3088 if (DBA::isResult($thread)) {
3089 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3095 * add/remove activity to an item
3097 * Toggle activities as like,dislike,attend of an item
3099 * @param string $item_id
3100 * @param string $verb
3101 * Activity verb. One of
3102 * like, unlike, dislike, undislike, attendyes, unattendyes,
3103 * attendno, unattendno, attendmaybe, unattendmaybe
3105 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3106 * @throws \ImagickException
3107 * @hook 'post_local_end'
3109 * 'post_id' => ID of posted item
3111 public static function performLike($item_id, $verb)
3113 if (!Session::isAuthenticated()) {
3120 $activity = Activity::LIKE;
3124 $activity = Activity::DISLIKE;
3128 $activity = Activity::ATTEND;
3132 $activity = Activity::ATTENDNO;
3135 case 'unattendmaybe':
3136 $activity = Activity::ATTENDMAYBE;
3139 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3143 // Enable activity toggling instead of on/off
3144 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3146 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3148 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3149 if (!DBA::isResult($item)) {
3150 Logger::log('like: unknown item ' . $item_id);
3154 $item_uri = $item['uri'];
3156 $uid = $item['uid'];
3157 if (($uid == 0) && local_user()) {
3158 $uid = local_user();
3161 if (!Security::canWriteToUserWall($uid)) {
3162 Logger::log('like: unable to write on wall ' . $uid);
3166 // Retrieves the local post owner
3167 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3168 if (!DBA::isResult($owner_self_contact)) {
3169 Logger::log('like: unknown owner ' . $uid);
3173 // Retrieve the current logged in user's public contact
3174 $author_id = public_contact();
3176 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3177 if (!DBA::isResult($author_contact)) {
3178 Logger::log('like: unknown author ' . $author_id);
3182 // Contact-id is the uid-dependant author contact
3183 if (local_user() == $uid) {
3184 $item_contact_id = $owner_self_contact['id'];
3186 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3187 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3188 if (!DBA::isResult($item_contact)) {
3189 Logger::log('like: unknown item contact ' . $item_contact_id);
3194 // Look for an existing verb row
3195 // event participation are essentially radio toggles. If you make a subsequent choice,
3196 // we need to eradicate your first choice.
3197 if ($event_verb_flag) {
3198 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3200 // Translate to the index based activity index
3202 foreach ($verbs as $verb) {
3203 $activities[] = self::activityToIndex($verb);
3206 $activities = self::activityToIndex($activity);
3209 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3210 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3212 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3214 // If it exists, mark it as deleted
3215 if (DBA::isResult($like_item)) {
3216 self::deleteById($like_item['id']);
3218 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3223 // Verb is "un-something", just trying to delete existing entries
3224 if (strpos($verb, 'un') === 0) {
3228 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3231 'guid' => System::createUUID(),
3232 'uri' => self::newURI($item['uid']),
3233 'uid' => $item['uid'],
3234 'contact-id' => $item_contact_id,
3235 'wall' => $item['wall'],
3237 'network' => Protocol::DFRN,
3238 'gravity' => GRAVITY_ACTIVITY,
3239 'parent' => $item['id'],
3240 'parent-uri' => $item['uri'],
3241 'thr-parent' => $item['uri'],
3242 'owner-id' => $author_id,
3243 'author-id' => $author_id,
3244 'body' => $activity,
3245 'verb' => $activity,
3246 'object-type' => $objtype,
3247 'allow_cid' => $item['allow_cid'],
3248 'allow_gid' => $item['allow_gid'],
3249 'deny_cid' => $item['deny_cid'],
3250 'deny_gid' => $item['deny_gid'],
3255 $signed = Diaspora::createLikeSignature($uid, $new_item);
3256 if (!empty($signed)) {
3257 $new_item['diaspora_signed_text'] = json_encode($signed);
3260 $new_item_id = self::insert($new_item);
3262 // If the parent item isn't visible then set it to visible
3263 if (!$item['visible']) {
3264 self::update(['visible' => true], ['id' => $item['id']]);
3267 $new_item['id'] = $new_item_id;
3269 Hook::callAll('post_local_end', $new_item);
3274 private static function addThread($itemid, $onlyshadow = false)
3276 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3277 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3278 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3279 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3280 $item = self::selectFirst($fields, $condition);
3282 if (!DBA::isResult($item)) {
3286 $item['iid'] = $itemid;
3289 $result = DBA::insert('thread', $item);
3291 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3295 private static function updateThread($itemid, $setmention = false)
3297 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3298 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3299 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3300 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3302 $item = self::selectFirst($fields, $condition);
3303 if (!DBA::isResult($item)) {
3308 $item["mention"] = 1;
3313 foreach ($item as $field => $data) {
3314 if (!in_array($field, ["guid"])) {
3315 $fields[$field] = $data;
3319 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3321 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3324 private static function deleteThread($itemid, $itemuri = "")
3326 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3327 if (!DBA::isResult($item)) {
3328 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3332 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3334 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3336 if ($itemuri != "") {
3337 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3338 if (!self::exists($condition)) {
3339 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3340 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3345 public static function getPermissionsSQLByUserId($owner_id)
3347 $local_user = local_user();
3348 $remote_user = Session::getRemoteContactID($owner_id);
3351 * Construct permissions
3353 * default permissions - anonymous user
3355 $sql = " AND NOT `item`.`private`";
3357 // Profile owner - everything is visible
3358 if ($local_user && ($local_user == $owner_id)) {
3360 } elseif ($remote_user) {
3362 * Authenticated visitor. Unless pre-verified,
3363 * check that the contact belongs to this $owner_id
3364 * and load the groups the visitor belongs to.
3365 * If pre-verified, the caller is expected to have already
3366 * done this and passed the groups into this function.
3368 $set = PermissionSet::get($owner_id, $remote_user);
3371 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3376 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3383 * get translated item type
3388 public static function postType($item)
3390 if (!empty($item['event-id'])) {
3391 return L10n::t('event');
3392 } elseif (!empty($item['resource-id'])) {
3393 return L10n::t('photo');
3394 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3395 return L10n::t('activity');
3396 } elseif ($item['id'] != $item['parent']) {
3397 return L10n::t('comment');
3400 return L10n::t('post');
3404 * Sets the "rendered-html" field of the provided item
3406 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3408 * @param array $item
3409 * @param bool $update
3411 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3412 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3414 public static function putInCache(&$item, $update = false)
3416 $body = $item["body"];
3418 $rendered_hash = $item['rendered-hash'] ?? '';
3419 $rendered_html = $item['rendered-html'] ?? '';
3421 if ($rendered_hash == ''
3422 || $rendered_html == ""
3423 || $rendered_hash != hash("md5", $item["body"])
3424 || Config::get("system", "ignore_cache")
3426 self::addRedirToImageTags($item);
3428 $item["rendered-html"] = BBCode::convert($item["body"]);
3429 $item["rendered-hash"] = hash("md5", $item["body"]);
3431 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3432 Hook::callAll('put_item_in_cache', $hook_data);
3433 $item['rendered-html'] = $hook_data['rendered-html'];
3434 $item['rendered-hash'] = $hook_data['rendered-hash'];
3437 // Force an update if the generated values differ from the existing ones
3438 if ($rendered_hash != $item["rendered-hash"]) {
3442 // Only compare the HTML when we forcefully ignore the cache
3443 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3447 if ($update && !empty($item["id"])) {
3450 'rendered-html' => $item["rendered-html"],
3451 'rendered-hash' => $item["rendered-hash"]
3453 ['id' => $item["id"]]
3458 $item["body"] = $body;
3462 * Find any non-embedded images in private items and add redir links to them
3464 * @param array &$item The field array of an item row
3466 private static function addRedirToImageTags(array &$item)
3471 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3473 foreach ($matches as $mtch) {
3474 if (strpos($mtch[1], '/redir') !== false) {
3478 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3479 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3480 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3487 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3488 * If attach is true, also add icons for item attachments.
3490 * @param array $item
3491 * @param boolean $attach
3492 * @param boolean $is_preview
3493 * @return string item body html
3494 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3495 * @throws \ImagickException
3496 * @hook prepare_body_init item array before any work
3497 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3498 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3499 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3501 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3504 Hook::callAll('prepare_body_init', $item);
3506 // In order to provide theme developers more possibilities, event items
3507 // are treated differently.
3508 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3509 $ev = Event::getItemHTML($item);
3513 $tags = Term::populateTagsFromItem($item);
3515 $item['tags'] = $tags['tags'];
3516 $item['hashtags'] = $tags['hashtags'];
3517 $item['mentions'] = $tags['mentions'];
3519 // Compile eventual content filter reasons
3520 $filter_reasons = [];
3521 if (!$is_preview && public_contact() != $item['author-id']) {
3522 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3523 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3528 'filter_reasons' => $filter_reasons
3530 Hook::callAll('prepare_body_content_filter', $hook_data);
3531 $filter_reasons = $hook_data['filter_reasons'];
3535 // Update the cached values if there is no "zrl=..." on the links.
3536 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3538 // Or update it if the current viewer is the intented viewer.
3539 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3543 self::putInCache($item, $update);
3544 $s = $item["rendered-html"];
3549 'preview' => $is_preview,
3550 'filter_reasons' => $filter_reasons
3552 Hook::callAll('prepare_body', $hook_data);
3553 $s = $hook_data['html'];
3557 // Replace the blockquotes with quotes that are used in mails.
3558 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3559 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3566 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3567 foreach ($matches as $mtch) {
3570 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3572 if (strpos($mime, 'video') !== false) {
3575 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3578 $url_parts = explode('/', $the_url);
3579 $id = end($url_parts);
3580 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3583 'title' => L10n::t('View Video'),
3590 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3592 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3593 $filesubtype = str_replace('.', '-', $filesubtype);
3596 $filesubtype = 'unkn';
3599 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3600 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3602 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3603 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3607 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3611 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3612 $x = Map::byCoordinates(trim($item['coord']));
3614 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3618 // Replace friendica image url size with theme preference.
3619 if (!empty($a->theme_info['item_image_size'])) {
3620 $ps = $a->theme_info['item_image_size'];
3621 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3624 $s = HTML::applyContentFilter($s, $filter_reasons);
3626 $hook_data = ['item' => $item, 'html' => $s];
3627 Hook::callAll('prepare_body_final', $hook_data);
3629 return $hook_data['html'];
3633 * get private link for item
3635 * @param array $item
3636 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3637 * @throws \Exception
3639 public static function getPlink($item)
3643 if ($a->user['nickname'] != "") {
3645 'href' => "display/" . $item['guid'],
3646 'orig' => "display/" . $item['guid'],
3647 'title' => L10n::t('View on separate page'),
3648 'orig_title' => L10n::t('view on separate page'),
3651 if (!empty($item['plink'])) {
3652 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3653 $ret["title"] = L10n::t('link to source');
3656 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3658 'href' => $item['plink'],
3659 'orig' => $item['plink'],
3660 'title' => L10n::t('link to source'),
3670 * Is the given item array a post that is sent as starting post to a forum?
3672 * @param array $item
3673 * @param array $owner
3675 * @return boolean "true" when it is a forum post
3677 public static function isForumPost(array $item, array $owner = [])
3679 if (empty($owner)) {
3680 $owner = User::getOwnerDataById($item['uid']);
3681 if (empty($owner)) {
3686 if (($item['author-id'] == $item['owner-id']) ||
3687 ($owner['id'] == $item['contact-id']) ||
3688 ($item['uri'] != $item['parent-uri']) ||
3693 return Contact::isForum($item['contact-id']);
3697 * Search item id for given URI or plink
3699 * @param string $uri
3700 * @param integer $uid
3702 * @return integer item id
3704 public static function searchByLink($uri, $uid = 0)
3706 $ssl_uri = str_replace('http://', 'https://', $uri);
3707 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3709 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3710 if (DBA::isResult($item)) {
3714 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3715 if (!DBA::isResult($itemcontent)) {
3719 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3720 if (!DBA::isResult($itemuri)) {
3724 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3725 if (DBA::isResult($item)) {
3733 * Fetches item for given URI or plink
3735 * @param string $uri
3736 * @param integer $uid
3738 * @return integer item id
3740 public static function fetchByLink($uri, $uid = 0)
3742 $item_id = self::searchByLink($uri, $uid);
3743 if (!empty($item_id)) {
3747 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3748 $item_id = self::searchByLink($uri, $uid);
3750 $item_id = Diaspora::fetchByURL($uri);
3753 if (!empty($item_id)) {
3761 * Return share data from an item array (if the item is shared item)
3762 * We are providing the complete Item array, because at some time in the future
3763 * we hopefully will define these values not in the body anymore but in some item fields.
3764 * This function is meant to replace all similar functions in the system.
3766 * @param array $item
3768 * @return array with share information
3770 public static function getShareArray($item)
3772 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3776 $attribute_string = $matches[2];
3777 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3778 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3779 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3780 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3787 * Fetch item information for shared items from the original items and adds it.
3789 * @param array $item
3791 * @return array item array with data from the original item
3793 public static function addShareDataFromOriginal($item)
3795 $shared = self::getShareArray($item);
3796 if (empty($shared)) {
3800 // Real reshares always have got a GUID.
3801 if (empty($shared['guid'])) {
3805 $uid = $item['uid'] ?? 0;
3807 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3808 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3809 if (!DBA::isResult($shared_item)) {
3810 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3811 $id = self::fetchByLink($shared['link'], $uid);
3813 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3817 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3818 if (!DBA::isResult($shared_item)) {
3821 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3823 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3826 if (!empty($shared_item['title'])) {
3827 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3828 unset($shared_item['title']);
3830 $body = $shared_item['body'];
3833 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3834 unset($shared_item['body']);
3836 return array_merge($item, $shared_item);