Friendica Communications Platform
(please note that this is a clone of the repository at github, issues are handled there)
https://friendi.ca
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3166 lines
102 KiB
3166 lines
102 KiB
<?php |
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/** |
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* @file src/Model/Item.php |
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*/ |
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namespace Friendica\Model; |
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use Friendica\BaseObject; |
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use Friendica\Content\Text\BBCode; |
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use Friendica\Core\Addon; |
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use Friendica\Core\Config; |
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use Friendica\Core\Lock; |
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use Friendica\Core\PConfig; |
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use Friendica\Core\System; |
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use Friendica\Core\Worker; |
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use Friendica\Database\DBA; |
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use Friendica\Model\Contact; |
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use Friendica\Model\PermissionSet; |
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use Friendica\Object\Image; |
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use Friendica\Protocol\Diaspora; |
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use Friendica\Protocol\OStatus; |
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use Friendica\Util\DateTimeFormat; |
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use Friendica\Util\XML; |
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use Text_LanguageDetect; |
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require_once 'boot.php'; |
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require_once 'include/items.php'; |
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require_once 'include/text.php'; |
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class Item extends BaseObject |
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{ |
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// Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types |
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const PT_ARTICLE = 0; |
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const PT_NOTE = 1; |
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const PT_PAGE = 2; |
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const PT_IMAGE = 16; |
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const PT_AUDIO = 17; |
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const PT_VIDEO = 18; |
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const PT_DOCUMENT = 19; |
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const PT_EVENT = 32; |
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const PT_PERSONAL_NOTE = 128; |
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// Field list that is used to display the items |
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const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', |
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'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink', |
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'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language', |
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'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object', |
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'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id', |
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'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', |
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'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', |
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'contact-id', 'contact-link', 'contact-name', 'contact-avatar', |
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'writable', 'self', 'cid', 'alias', |
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'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish', |
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'event-summary', 'event-desc', 'event-location', 'event-type', |
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'event-nofinish', 'event-adjust', 'event-ignore', 'event-id']; |
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// Field list that is used to deliver items via the protocols |
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const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', |
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'created', 'edited', 'verb', 'object-type', 'object', 'target', |
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'private', 'title', 'body', 'location', 'coord', 'app', |
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'attach', 'tag', 'deleted', 'extid', 'post-type', |
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'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', |
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'author-id', 'author-link', 'owner-link', 'contact-uid', |
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'signed_text', 'signature', 'signer', 'network']; |
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// Field list for "item-content" table that is mixed with the item table |
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const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location', |
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'coord', 'app', 'rendered-hash', 'rendered-html', 'verb', |
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'object-type', 'object', 'target-type', 'target', 'plink']; |
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// Field list for "item-content" table that is not present in the "item" table |
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const CONTENT_FIELDLIST = ['language']; |
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// Field list for additional delivery data |
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const DELIVERY_DATA_FIELDLIST = ['postopts', 'inform']; |
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// All fields in the item table |
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const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid', |
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'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid', |
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'created', 'edited', 'commented', 'received', 'changed', 'verb', |
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'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform', |
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'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', |
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'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', |
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'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network', |
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'title', 'content-warning', 'body', 'location', 'coord', 'app', |
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'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target', |
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'author-id', 'author-link', 'author-name', 'author-avatar', |
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'owner-id', 'owner-link', 'owner-name', 'owner-avatar']; |
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// Never reorder or remove entries from this list. Just add new ones at the end, if needed. |
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// The item-activity table only stores the index and needs this array to know the matching activity. |
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const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE]; |
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private static $legacy_mode = null; |
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public static function isLegacyMode() |
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{ |
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if (is_null(self::$legacy_mode)) { |
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self::$legacy_mode = (Config::get("system", "post_update_version") < 1279); |
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} |
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return self::$legacy_mode; |
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} |
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/** |
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* @brief returns an activity index from an activity string |
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* |
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* @param string $activity activity string |
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* @return integer Activity index |
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*/ |
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private static function activityToIndex($activity) |
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{ |
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$index = array_search($activity, self::ACTIVITIES); |
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if (is_bool($index)) { |
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$index = -1; |
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} |
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return $index; |
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} |
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/** |
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* @brief returns an activity string from an activity index |
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* |
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* @param integer $index activity index |
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* @return string Activity string |
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*/ |
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private static function indexToActivity($index) |
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{ |
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if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) { |
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return ''; |
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} |
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return self::ACTIVITIES[$index]; |
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} |
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/** |
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* @brief Fetch a single item row |
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* |
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* @param mixed $stmt statement object |
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* @return array current row |
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*/ |
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public static function fetch($stmt) |
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{ |
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$row = DBA::fetch($stmt); |
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if (is_bool($row)) { |
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return $row; |
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} |
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// ---------------------- Transform item structure data ---------------------- |
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// We prefer the data from the user's contact over the public one |
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if (!empty($row['author-link']) && !empty($row['contact-link']) && |
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($row['author-link'] == $row['contact-link'])) { |
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if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) { |
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$row['author-avatar'] = $row['contact-avatar']; |
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} |
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if (isset($row['author-name']) && !empty($row['contact-name'])) { |
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$row['author-name'] = $row['contact-name']; |
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} |
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} |
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if (!empty($row['owner-link']) && !empty($row['contact-link']) && |
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($row['owner-link'] == $row['contact-link'])) { |
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if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) { |
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$row['owner-avatar'] = $row['contact-avatar']; |
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} |
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if (isset($row['owner-name']) && !empty($row['contact-name'])) { |
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$row['owner-name'] = $row['contact-name']; |
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} |
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} |
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// We can always comment on posts from these networks |
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if (array_key_exists('writable', $row) && |
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in_array($row['internal-network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) { |
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$row['writable'] = true; |
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} |
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// ---------------------- Transform item content data ---------------------- |
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// Fetch data from the item-content table whenever there is content there |
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if (self::isLegacyMode()) { |
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$legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST); |
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foreach ($legacy_fields as $field) { |
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if (empty($row[$field]) && !empty($row['internal-item-' . $field])) { |
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$row[$field] = $row['internal-item-' . $field]; |
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} |
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unset($row['internal-item-' . $field]); |
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} |
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} |
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if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) { |
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$row['verb'] = self::indexToActivity($row['internal-activity']); |
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if (array_key_exists('title', $row)) { |
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$row['title'] = ''; |
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} |
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if (array_key_exists('body', $row)) { |
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$row['body'] = $row['verb']; |
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} |
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if (array_key_exists('object', $row)) { |
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$row['object'] = ''; |
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} |
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if (array_key_exists('object-type', $row)) { |
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$row['object-type'] = ACTIVITY_OBJ_NOTE; |
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} |
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} elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) { |
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// Posts don't have an object or target - but having tags or files. |
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// We safe some performance by building tag and file strings only here. |
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// We remove object and target since they aren't used for this type. |
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if (array_key_exists('object', $row)) { |
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$row['object'] = ''; |
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} |
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if (array_key_exists('target', $row)) { |
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$row['target'] = ''; |
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} |
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} |
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if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) { |
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// Build the tag string out of the term entries |
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if (array_key_exists('tag', $row) && empty($row['tag'])) { |
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$row['tag'] = Term::tagTextFromItemId($row['internal-iid']); |
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} |
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// Build the file string out of the term entries |
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if (array_key_exists('file', $row) && empty($row['file'])) { |
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$row['file'] = Term::fileTextFromItemId($row['internal-iid']); |
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} |
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} |
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// Remove internal fields |
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unset($row['internal-activity']); |
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unset($row['internal-network']); |
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unset($row['internal-iid']); |
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unset($row['internal-iaid']); |
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unset($row['internal-icid']); |
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return $row; |
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} |
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/** |
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* @brief Fills an array with data from an item query |
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* |
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* @param object $stmt statement object |
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* @return array Data array |
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*/ |
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public static function inArray($stmt, $do_close = true) { |
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if (is_bool($stmt)) { |
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return $stmt; |
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} |
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$data = []; |
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while ($row = self::fetch($stmt)) { |
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$data[] = $row; |
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} |
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if ($do_close) { |
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DBA::close($stmt); |
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} |
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return $data; |
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} |
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/** |
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* @brief Check if item data exists |
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* |
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* @param array $condition array of fields for condition |
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* |
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* @return boolean Are there rows for that condition? |
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*/ |
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public static function exists($condition) { |
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$stmt = self::select(['id'], $condition, ['limit' => 1]); |
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if (is_bool($stmt)) { |
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$retval = $stmt; |
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} else { |
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$retval = (DBA::numRows($stmt) > 0); |
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} |
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DBA::close($stmt); |
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return $retval; |
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} |
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/** |
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* Retrieve a single record from the item table for a given user and returns it in an associative array |
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* |
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* @brief Retrieve a single record from a table |
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* @param integer $uid User ID |
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* @param array $fields |
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* @param array $condition |
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* @param array $params |
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* @return bool|array |
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* @see DBA::select |
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*/ |
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public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = []) |
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{ |
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$params['uid'] = $uid; |
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if (empty($selected)) { |
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$selected = Item::DISPLAY_FIELDLIST; |
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} |
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return self::selectFirst($selected, $condition, $params); |
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} |
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/** |
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* @brief Select rows from the item table for a given user |
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* |
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* @param integer $uid User ID |
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* @param array $selected Array of selected fields, empty for all |
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* @param array $condition Array of fields for condition |
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* @param array $params Array of several parameters |
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* |
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* @return boolean|object |
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*/ |
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public static function selectForUser($uid, array $selected = [], array $condition = [], $params = []) |
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{ |
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$params['uid'] = $uid; |
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if (empty($selected)) { |
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$selected = Item::DISPLAY_FIELDLIST; |
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} |
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return self::select($selected, $condition, $params); |
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} |
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/** |
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* Retrieve a single record from the item table and returns it in an associative array |
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* |
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* @brief Retrieve a single record from a table |
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* @param array $fields |
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* @param array $condition |
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* @param array $params |
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* @return bool|array |
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* @see DBA::select |
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*/ |
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public static function selectFirst(array $fields = [], array $condition = [], $params = []) |
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{ |
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$params['limit'] = 1; |
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$result = self::select($fields, $condition, $params); |
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if (is_bool($result)) { |
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return $result; |
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} else { |
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$row = self::fetch($result); |
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DBA::close($result); |
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return $row; |
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} |
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} |
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/** |
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* @brief Select rows from the item table |
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* |
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* @param array $selected Array of selected fields, empty for all |
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* @param array $condition Array of fields for condition |
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* @param array $params Array of several parameters |
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* |
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* @return boolean|object |
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*/ |
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public static function select(array $selected = [], array $condition = [], $params = []) |
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{ |
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$uid = 0; |
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$usermode = false; |
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if (isset($params['uid'])) { |
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$uid = $params['uid']; |
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$usermode = true; |
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} |
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$fields = self::fieldlist($selected); |
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$select_fields = self::constructSelectFields($fields, $selected); |
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$condition_string = DBA::buildCondition($condition); |
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$condition_string = self::addTablesToFields($condition_string, $fields); |
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if ($usermode) { |
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$condition_string = $condition_string . ' AND ' . self::condition(false); |
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} |
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$param_string = self::addTablesToFields(DBA::buildParameter($params), $fields); |
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$table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode); |
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$sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string; |
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return DBA::p($sql, $condition); |
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} |
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/** |
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* @brief Select rows from the starting post in the item table |
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* |
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* @param integer $uid User ID |
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* @param array $fields Array of selected fields, empty for all |
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* @param array $condition Array of fields for condition |
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* @param array $params Array of several parameters |
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* |
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* @return boolean|object |
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*/ |
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public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = []) |
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{ |
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$params['uid'] = $uid; |
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if (empty($selected)) { |
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$selected = Item::DISPLAY_FIELDLIST; |
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} |
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return self::selectThread($selected, $condition, $params); |
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} |
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/** |
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* Retrieve a single record from the starting post in the item table and returns it in an associative array |
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* |
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* @brief Retrieve a single record from a table |
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* @param integer $uid User ID |
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* @param array $selected |
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* @param array $condition |
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* @param array $params |
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* @return bool|array |
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* @see DBA::select |
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*/ |
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public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = []) |
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{ |
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$params['uid'] = $uid; |
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if (empty($selected)) { |
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$selected = Item::DISPLAY_FIELDLIST; |
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} |
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return self::selectFirstThread($selected, $condition, $params); |
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} |
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/** |
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* Retrieve a single record from the starting post in the item table and returns it in an associative array |
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* |
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* @brief Retrieve a single record from a table |
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* @param array $fields |
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* @param array $condition |
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* @param array $params |
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* @return bool|array |
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* @see DBA::select |
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*/ |
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public static function selectFirstThread(array $fields = [], array $condition = [], $params = []) |
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{ |
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$params['limit'] = 1; |
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$result = self::selectThread($fields, $condition, $params); |
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if (is_bool($result)) { |
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return $result; |
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} else { |
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$row = self::fetch($result); |
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DBA::close($result); |
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return $row; |
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} |
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} |
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/** |
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* @brief Select rows from the starting post in the item table |
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* |
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* @param array $selected Array of selected fields, empty for all |
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* @param array $condition Array of fields for condition |
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* @param array $params Array of several parameters |
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* |
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* @return boolean|object |
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*/ |
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public static function selectThread(array $selected = [], array $condition = [], $params = []) |
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{ |
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$uid = 0; |
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$usermode = false; |
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if (isset($params['uid'])) { |
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$uid = $params['uid']; |
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$usermode = true; |
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} |
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$fields = self::fieldlist($selected); |
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$threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id', |
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'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', |
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'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type', |
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'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']]; |
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$select_fields = self::constructSelectFields($fields, $selected); |
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$condition_string = DBA::buildCondition($condition); |
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$condition_string = self::addTablesToFields($condition_string, $threadfields); |
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$condition_string = self::addTablesToFields($condition_string, $fields); |
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if ($usermode) { |
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$condition_string = $condition_string . ' AND ' . self::condition(true); |
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} |
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$param_string = DBA::buildParameter($params); |
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$param_string = self::addTablesToFields($param_string, $threadfields); |
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$param_string = self::addTablesToFields($param_string, $fields); |
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$table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode); |
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$sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string; |
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return DBA::p($sql, $condition); |
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} |
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/** |
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* @brief Returns a list of fields that are associated with the item table |
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* |
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* @return array field list |
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*/ |
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private static function fieldlist($selected) |
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{ |
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$fields = []; |
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$fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid', |
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'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid', |
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'created', 'edited', 'commented', 'received', 'changed', 'psid', |
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'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file', |
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'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', |
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'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', |
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'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid', |
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'network' => 'internal-network', 'icid' => 'internal-icid', |
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'iaid' => 'internal-iaid']; |
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$fields['item-activity'] = ['activity', 'activity' => 'internal-activity']; |
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$fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST); |
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$fields['item-delivery-data'] = self::DELIVERY_DATA_FIELDLIST; |
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$fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid']; |
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$fields['author'] = ['url' => 'author-link', 'name' => 'author-name', |
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'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network']; |
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$fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', |
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'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network']; |
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$fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar', |
|
'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid', |
|
'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id']; |
|
|
|
$fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network']; |
|
|
|
$fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name']; |
|
|
|
$fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited', |
|
'start' => 'event-start','finish' => 'event-finish', |
|
'summary' => 'event-summary','desc' => 'event-desc', |
|
'location' => 'event-location', 'type' => 'event-type', |
|
'nofinish' => 'event-nofinish','adjust' => 'event-adjust', |
|
'ignore' => 'event-ignore', 'id' => 'event-id']; |
|
|
|
$fields['sign'] = ['signed_text', 'signature', 'signer']; |
|
|
|
return $fields; |
|
} |
|
|
|
/** |
|
* @brief Returns SQL condition for the "select" functions |
|
* |
|
* @param boolean $thread_mode Called for the items (false) or for the threads (true) |
|
* |
|
* @return string SQL condition |
|
*/ |
|
private static function condition($thread_mode) |
|
{ |
|
if ($thread_mode) { |
|
$master_table = "`thread`"; |
|
} else { |
|
$master_table = "`item`"; |
|
} |
|
return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) "; |
|
} |
|
|
|
/** |
|
* @brief Returns all needed "JOIN" commands for the "select" functions |
|
* |
|
* @param integer $uid User ID |
|
* @param string $sql_commands The parts of the built SQL commands in the "select" functions |
|
* @param boolean $thread_mode Called for the items (false) or for the threads (true) |
|
* |
|
* @return string The SQL joins for the "select" functions |
|
*/ |
|
private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode) |
|
{ |
|
if ($thread_mode) { |
|
$master_table = "`thread`"; |
|
$master_table_key = "`thread`.`iid`"; |
|
$joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` "; |
|
} else { |
|
$master_table = "`item`"; |
|
$master_table_key = "`item`.`id`"; |
|
$joins = ''; |
|
} |
|
|
|
if ($user_mode) { |
|
$joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id` |
|
AND NOT `contact`.`blocked` |
|
AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s))) |
|
OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0) |
|
STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked` |
|
STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked` |
|
LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d", |
|
Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid)); |
|
} else { |
|
if (strpos($sql_commands, "`contact`.") !== false) { |
|
$joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`"; |
|
} |
|
if (strpos($sql_commands, "`author`.") !== false) { |
|
$joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`"; |
|
} |
|
if (strpos($sql_commands, "`owner`.") !== false) { |
|
$joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`"; |
|
} |
|
} |
|
|
|
if (strpos($sql_commands, "`group_member`.") !== false) { |
|
$joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`user`.") !== false) { |
|
$joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`event`.") !== false) { |
|
$joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`sign`.") !== false) { |
|
$joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`item-activity`.") !== false) { |
|
$joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`item-content`.") !== false) { |
|
$joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`item-delivery-data`.") !== false) { |
|
$joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`permissionset`.") !== false) { |
|
$joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`"; |
|
} |
|
|
|
if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) { |
|
$joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`"; |
|
} |
|
|
|
if (strpos($sql_commands, "`parent-item-author`.") !== false) { |
|
$joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`"; |
|
} |
|
|
|
return $joins; |
|
} |
|
|
|
/** |
|
* @brief Add the field list for the "select" functions |
|
* |
|
* @param array $fields The field definition array |
|
* @param array $selected The array with the selected fields from the "select" functions |
|
* |
|
* @return string The field list |
|
*/ |
|
private static function constructSelectFields($fields, $selected) |
|
{ |
|
if (!empty($selected)) { |
|
$selected[] = 'internal-iid'; |
|
$selected[] = 'internal-iaid'; |
|
$selected[] = 'internal-icid'; |
|
$selected[] = 'internal-network'; |
|
} |
|
|
|
if (in_array('verb', $selected)) { |
|
$selected[] = 'internal-activity'; |
|
} |
|
|
|
$selection = []; |
|
foreach ($fields as $table => $table_fields) { |
|
foreach ($table_fields as $field => $select) { |
|
if (empty($selected) || in_array($select, $selected)) { |
|
$legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST); |
|
if (self::isLegacyMode() && in_array($select, $legacy_fields)) { |
|
$selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`"; |
|
} |
|
if (is_int($field)) { |
|
$selection[] = "`" . $table . "`.`" . $select . "`"; |
|
} else { |
|
$selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`"; |
|
} |
|
} |
|
} |
|
} |
|
return implode(", ", $selection); |
|
} |
|
|
|
/** |
|
* @brief add table definition to fields in an SQL query |
|
* |
|
* @param string $query SQL query |
|
* @param array $fields The field definition array |
|
* |
|
* @return string the changed SQL query |
|
*/ |
|
private static function addTablesToFields($query, $fields) |
|
{ |
|
foreach ($fields as $table => $table_fields) { |
|
foreach ($table_fields as $alias => $field) { |
|
if (is_int($alias)) { |
|
$replace_field = $field; |
|
} else { |
|
$replace_field = $alias; |
|
} |
|
|
|
$search = "/([^\.])`" . $field . "`/i"; |
|
$replace = "$1`" . $table . "`.`" . $replace_field . "`"; |
|
$query = preg_replace($search, $replace, $query); |
|
} |
|
} |
|
return $query; |
|
} |
|
|
|
/** |
|
* @brief Generate a server unique item hash for linking between the item tables |
|
* |
|
* @param string $uri Item URI |
|
* @param date $created Item creation date |
|
* |
|
* @return string the item hash |
|
*/ |
|
private static function itemHash($uri, $created) |
|
{ |
|
return round(strtotime($created) / 100) . hash('ripemd128', $uri); |
|
} |
|
|
|
/** |
|
* @brief Update existing item entries |
|
* |
|
* @param array $fields The fields that are to be changed |
|
* @param array $condition The condition for finding the item entries |
|
* |
|
* In the future we may have to change permissions as well. |
|
* Then we had to add the user id as third parameter. |
|
* |
|
* A return value of "0" doesn't mean an error - but that 0 rows had been changed. |
|
* |
|
* @return integer|boolean number of affected rows - or "false" if there was an error |
|
*/ |
|
public static function update(array $fields, array $condition) |
|
{ |
|
if (empty($condition) || empty($fields)) { |
|
return false; |
|
} |
|
|
|
// To ensure the data integrity we do it in an transaction |
|
DBA::transaction(); |
|
|
|
// We cannot simply expand the condition to check for origin entries |
|
// The condition needn't to be a simple array but could be a complex condition. |
|
// And we have to execute this query before the update to ensure to fetch the same data. |
|
$items = DBA::select('item', ['id', 'origin', 'uri', 'created', 'uri-hash', 'iaid', 'icid', 'tag', 'file'], $condition); |
|
|
|
$content_fields = []; |
|
foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { |
|
if (isset($fields[$field])) { |
|
$content_fields[$field] = $fields[$field]; |
|
if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) { |
|
unset($fields[$field]); |
|
} else { |
|
$fields[$field] = null; |
|
} |
|
} |
|
} |
|
|
|
$clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link']; |
|
foreach ($clear_fields as $field) { |
|
if (array_key_exists($field, $fields)) { |
|
$fields[$field] = null; |
|
} |
|
} |
|
|
|
if (array_key_exists('tag', $fields)) { |
|
$tags = $fields['tag']; |
|
$fields['tag'] = null; |
|
} else { |
|
$tags = ''; |
|
} |
|
|
|
if (array_key_exists('file', $fields)) { |
|
$files = $fields['file']; |
|
$fields['file'] = null; |
|
} else { |
|
$files = ''; |
|
} |
|
|
|
$delivery_data = ['postopts' => defaults($fields, 'postopts', ''), |
|
'inform' => defaults($fields, 'inform', '')]; |
|
|
|
$fields['postopts'] = null; |
|
$fields['inform'] = null; |
|
|
|
if (!empty($fields)) { |
|
$success = DBA::update('item', $fields, $condition); |
|
|
|
if (!$success) { |
|
DBA::close($items); |
|
DBA::rollback(); |
|
return false; |
|
} |
|
} |
|
|
|
// When there is no content for the "old" item table, this will count the fetched items |
|
$rows = DBA::affectedRows(); |
|
|
|
while ($item = DBA::fetch($items)) { |
|
|
|
// This part here can safely be removed when the legacy fields in the item had been removed |
|
if (empty($item['uri-hash']) && !empty($item['uri']) && !empty($item['created'])) { |
|
|
|
// Fetch the uri-hash from an existing item entry if there is one |
|
$item_condition = ["`uri` = ? AND `uri-hash` != ''", $item['uri']]; |
|
$existing = DBA::selectfirst('item', ['uri-hash'], $item_condition); |
|
if (DBA::isResult($existing)) { |
|
$item['uri-hash'] = $existing['uri-hash']; |
|
} else { |
|
$item['uri-hash'] = self::itemHash($item['uri'], $item['created']); |
|
} |
|
|
|
DBA::update('item', ['uri-hash' => $item['uri-hash']], ['id' => $item['id']]); |
|
DBA::update('item-activity', ['uri-hash' => $item['uri-hash']], ["`uri` = ? AND `uri-hash` = ''", $item['uri']]); |
|
DBA::update('item-content', ['uri-plink-hash' => $item['uri-hash']], ["`uri` = ? AND `uri-plink-hash` = ''", $item['uri']]); |
|
} |
|
|
|
if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) { |
|
if (!empty($item['iaid'])) { |
|
$update_condition = ['id' => $item['iaid']]; |
|
} else { |
|
$update_condition = ['uri-hash' => $item['uri-hash']]; |
|
} |
|
self::updateActivity($content_fields, $update_condition); |
|
|
|
if (empty($item['iaid'])) { |
|
$item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-hash' => $item['uri-hash']]); |
|
if (DBA::isResult($item_activity)) { |
|
$item_fields = ['iaid' => $item_activity['id'], 'icid' => null]; |
|
foreach (self::MIXED_CONTENT_FIELDLIST as $field) { |
|
if (self::isLegacyMode()) { |
|
$item_fields[$field] = null; |
|
} else { |
|
unset($item_fields[$field]); |
|
} |
|
} |
|
DBA::update('item', $item_fields, ['id' => $item['id']]); |
|
|
|
if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) { |
|
DBA::delete('item-content', ['id' => $item['icid']]); |
|
} |
|
} |
|
} elseif (!empty($item['icid'])) { |
|
DBA::update('item', ['icid' => null], ['id' => $item['id']]); |
|
|
|
if (!DBA::exists('item', ['icid' => $item['icid']])) { |
|
DBA::delete('item-content', ['id' => $item['icid']]); |
|
} |
|
} |
|
} else { |
|
if (!empty($item['icid'])) { |
|
$update_condition = ['id' => $item['icid']]; |
|
} else { |
|
$update_condition = ['uri-plink-hash' => $item['uri-hash']]; |
|
} |
|
self::updateContent($content_fields, $update_condition); |
|
|
|
if (empty($item['icid'])) { |
|
$item_content = DBA::selectFirst('item-content', [], ['uri-plink-hash' => $item['uri-hash']]); |
|
if (DBA::isResult($item_content)) { |
|
$item_fields = ['icid' => $item_content['id']]; |
|
// Clear all fields in the item table that have a content in the item-content table |
|
foreach ($item_content as $field => $content) { |
|
if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) { |
|
if (self::isLegacyMode()) { |
|
$item_fields[$field] = null; |
|
} else { |
|
unset($item_fields[$field]); |
|
} |
|
} |
|
} |
|
DBA::update('item', $item_fields, ['id' => $item['id']]); |
|
} |
|
} |
|
} |
|
|
|
if (!empty($tags)) { |
|
Term::insertFromTagFieldByItemId($item['id'], $tags); |
|
if (!empty($item['tag'])) { |
|
DBA::update('item', ['tag' => ''], ['id' => $item['id']]); |
|
} |
|
} |
|
|
|
if (!empty($files)) { |
|
Term::insertFromFileFieldByItemId($item['id'], $files); |
|
if (!empty($item['file'])) { |
|
DBA::update('item', ['file' => ''], ['id' => $item['id']]); |
|
} |
|
} |
|
|
|
self::updateDeliveryData($item['id'], $delivery_data); |
|
|
|
self::updateThread($item['id']); |
|
|
|
// We only need to notfiy others when it is an original entry from us. |
|
// Only call the notifier when the item has some content relevant change. |
|
if ($item['origin'] && in_array('edited', array_keys($fields))) { |
|
Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']); |
|
} |
|
} |
|
|
|
DBA::close($items); |
|
DBA::commit(); |
|
return $rows; |
|
} |
|
|
|
/** |
|
* @brief Delete an item and notify others about it - if it was ours |
|
* |
|
* @param array $condition The condition for finding the item entries |
|
* @param integer $priority Priority for the notification |
|
*/ |
|
public static function delete($condition, $priority = PRIORITY_HIGH) |
|
{ |
|
$items = DBA::select('item', ['id'], $condition); |
|
while ($item = DBA::fetch($items)) { |
|
self::deleteById($item['id'], $priority); |
|
} |
|
DBA::close($items); |
|
} |
|
|
|
/** |
|
* @brief Delete an item for an user and notify others about it - if it was ours |
|
* |
|
* @param array $condition The condition for finding the item entries |
|
* @param integer $uid User who wants to delete this item |
|
*/ |
|
public static function deleteForUser($condition, $uid) |
|
{ |
|
if ($uid == 0) { |
|
return; |
|
} |
|
|
|
$items = DBA::select('item', ['id', 'uid'], $condition); |
|
while ($item = DBA::fetch($items)) { |
|
// "Deleting" global items just means hiding them |
|
if ($item['uid'] == 0) { |
|
DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true); |
|
} elseif ($item['uid'] == $uid) { |
|
self::deleteById($item['id'], PRIORITY_HIGH); |
|
} else { |
|
logger('Wrong ownership. Not deleting item ' . $item['id']); |
|
} |
|
} |
|
DBA::close($items); |
|
} |
|
|
|
/** |
|
* @brief Delete an item and notify others about it - if it was ours |
|
* |
|
* @param integer $item_id Item ID that should be delete |
|
* @param integer $priority Priority for the notification |
|
* |
|
* @return boolean success |
|
*/ |
|
private static function deleteById($item_id, $priority = PRIORITY_HIGH) |
|
{ |
|
// locate item to be deleted |
|
$fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin', |
|
'deleted', 'file', 'resource-id', 'event-id', 'attach', |
|
'verb', 'object-type', 'object', 'target', 'contact-id', |
|
'icid', 'iaid', 'psid']; |
|
$item = self::selectFirst($fields, ['id' => $item_id]); |
|
if (!DBA::isResult($item)) { |
|
logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG); |
|
return false; |
|
} |
|
|
|
if ($item['deleted']) { |
|
logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG); |
|
return false; |
|
} |
|
|
|
$parent = self::selectFirst(['origin'], ['id' => $item['parent']]); |
|
if (!DBA::isResult($parent)) { |
|
$parent = ['origin' => false]; |
|
} |
|
|
|
// clean up categories and tags so they don't end up as orphans |
|
|
|
$matches = false; |
|
$cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER); |
|
if ($cnt) { |
|
foreach ($matches as $mtch) { |
|
file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true); |
|
} |
|
} |
|
|
|
$matches = false; |
|
|
|
$cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER); |
|
if ($cnt) { |
|
foreach ($matches as $mtch) { |
|
file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false); |
|
} |
|
} |
|
|
|
/* |
|
* If item is a link to a photo resource, nuke all the associated photos |
|
* (visitors will not have photo resources) |
|
* This only applies to photos uploaded from the photos page. Photos inserted into a post do not |
|
* generate a resource-id and therefore aren't intimately linked to the item. |
|
*/ |
|
if (strlen($item['resource-id'])) { |
|
DBA::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]); |
|
} |
|
|
|
// If item is a link to an event, delete the event. |
|
if (intval($item['event-id'])) { |
|
Event::delete($item['event-id']); |
|
} |
|
|
|
// If item has attachments, drop them |
|
foreach (explode(", ", $item['attach']) as $attach) { |
|
preg_match("|attach/(\d+)|", $attach, $matches); |
|
if (is_array($matches) && count($matches) > 1) { |
|
DBA::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]); |
|
} |
|
} |
|
|
|
// Delete tags that had been attached to other items |
|
self::deleteTagsFromItem($item); |
|
|
|
// Set the item to "deleted" |
|
$item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()]; |
|
DBA::update('item', $item_fields, ['id' => $item['id']]); |
|
|
|
Term::insertFromTagFieldByItemId($item['id'], ''); |
|
Term::insertFromFileFieldByItemId($item['id'], ''); |
|
self::deleteThread($item['id'], $item['parent-uri']); |
|
|
|
if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) { |
|
self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority); |
|
} |
|
|
|
DBA::delete('item-delivery-data', ['iid' => $item['id']]); |
|
|
|
if (!empty($item['iaid']) && !DBA::exists('item', ['iaid' => $item['iaid'], 'deleted' => false])) { |
|
DBA::delete('item-activity', ['id' => $item['iaid']], ['cascade' => false]); |
|
} |
|
if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid'], 'deleted' => false])) { |
|
DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]); |
|
} |
|
// When the permission set will be used in photo and events as well, |
|
// this query here needs to be extended. |
|
if (!empty($item['psid']) && !DBA::exists('item', ['psid' => $item['psid'], 'deleted' => false])) { |
|
DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]); |
|
} |
|
|
|
// If it's the parent of a comment thread, kill all the kids |
|
if ($item['id'] == $item['parent']) { |
|
self::delete(['parent' => $item['parent'], 'deleted' => false], $priority); |
|
} |
|
|
|
// Is it our comment and/or our thread? |
|
if ($item['origin'] || $parent['origin']) { |
|
|
|
// When we delete the original post we will delete all existing copies on the server as well |
|
self::delete(['uri' => $item['uri'], 'deleted' => false], $priority); |
|
|
|
// send the notification upstream/downstream |
|
Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id'])); |
|
} elseif ($item['uid'] != 0) { |
|
|
|
// When we delete just our local user copy of an item, we have to set a marker to hide it |
|
$global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]); |
|
if (DBA::isResult($global_item)) { |
|
DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true); |
|
} |
|
} |
|
|
|
logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG); |
|
|
|
return true; |
|
} |
|
|
|
private static function deleteTagsFromItem($item) |
|
{ |
|
if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) { |
|
return; |
|
} |
|
|
|
$xo = XML::parseString($item["object"], false); |
|
$xt = XML::parseString($item["target"], false); |
|
|
|
if ($xt->type != ACTIVITY_OBJ_NOTE) { |
|
return; |
|
} |
|
|
|
$i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]); |
|
if (!DBA::isResult($i)) { |
|
return; |
|
} |
|
|
|
// For tags, the owner cannot remove the tag on the author's copy of the post. |
|
$owner_remove = ($item["contact-id"] == $i["contact-id"]); |
|
$author_copy = $item["origin"]; |
|
|
|
if (($owner_remove && $author_copy) || !$owner_remove) { |
|
return; |
|
} |
|
|
|
$tags = explode(',', $i["tag"]); |
|
$newtags = []; |
|
if (count($tags)) { |
|
foreach ($tags as $tag) { |
|
if (trim($tag) !== trim($xo->body)) { |
|
$newtags[] = trim($tag); |
|
} |
|
} |
|
} |
|
self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]); |
|
} |
|
|
|
private static function guid($item, $notify) |
|
{ |
|
if (!empty($item['guid'])) { |
|
return notags(trim($item['guid'])); |
|
} |
|
|
|
if ($notify) { |
|
// We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri. |
|
// We add the hash of our own host because our host is the original creator of the post. |
|
$prefix_host = get_app()->get_hostname(); |
|
} else { |
|
$prefix_host = ''; |
|
|
|
// We are only storing the post so we create a GUID from the original hostname. |
|
if (!empty($item['author-link'])) { |
|
$parsed = parse_url($item['author-link']); |
|
if (!empty($parsed['host'])) { |
|
$prefix_host = $parsed['host']; |
|
} |
|
} |
|
|
|
if (empty($prefix_host) && !empty($item['plink'])) { |
|
$parsed = parse_url($item['plink']); |
|
if (!empty($parsed['host'])) { |
|
$prefix_host = $parsed['host']; |
|
} |
|
} |
|
|
|
if (empty($prefix_host) && !empty($item['uri'])) { |
|
$parsed = parse_url($item['uri']); |
|
if (!empty($parsed['host'])) { |
|
$prefix_host = $parsed['host']; |
|
} |
|
} |
|
|
|
// Is it in the format data@host.tld? - Used for mail contacts |
|
if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) { |
|
$mailparts = explode('@', $item['author-link']); |
|
$prefix_host = array_pop($mailparts); |
|
} |
|
} |
|
|
|
if (!empty($item['plink'])) { |
|
$guid = self::guidFromUri($item['plink'], $prefix_host); |
|
} elseif (!empty($item['uri'])) { |
|
$guid = self::guidFromUri($item['uri'], $prefix_host); |
|
} else { |
|
$guid = System::createGUID(32, hash('crc32', $prefix_host)); |
|
} |
|
|
|
return $guid; |
|
} |
|
|
|
private static function contactId($item) |
|
{ |
|
$contact_id = (int)$item["contact-id"]; |
|
|
|
if (!empty($contact_id)) { |
|
return $contact_id; |
|
} |
|
logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG); |
|
/* |
|
* First we are looking for a suitable contact that matches with the author of the post |
|
* This is done only for comments |
|
*/ |
|
if ($item['parent-uri'] != $item['uri']) { |
|
$contact_id = Contact::getIdForURL($item['author-link'], $item['uid']); |
|
} |
|
|
|
// If not present then maybe the owner was found |
|
if ($contact_id == 0) { |
|
$contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']); |
|
} |
|
|
|
// Still missing? Then use the "self" contact of the current user |
|
if ($contact_id == 0) { |
|
$self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]); |
|
if (DBA::isResult($self)) { |
|
$contact_id = $self["id"]; |
|
} |
|
} |
|
logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG); |
|
|
|
return $contact_id; |
|
} |
|
|
|
// This function will finally cover most of the preparation functionality in mod/item.php |
|
public static function prepare(&$item) |
|
{ |
|
$data = BBCode::getAttachmentData($item['body']); |
|
if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"])) |
|
&& ($posttype != Item::PT_PERSONAL_NOTE)) { |
|
$posttype = Item::PT_PAGE; |
|
$objecttype = ACTIVITY_OBJ_BOOKMARK; |
|
} |
|
} |
|
|
|
public static function insert($item, $force_parent = false, $notify = false, $dontcache = false) |
|
{ |
|
$a = get_app(); |
|
|
|
// If it is a posting where users should get notifications, then define it as wall posting |
|
if ($notify) { |
|
$item['wall'] = 1; |
|
$item['origin'] = 1; |
|
$item['network'] = NETWORK_DFRN; |
|
$item['protocol'] = PROTOCOL_DFRN; |
|
|
|
if (is_int($notify)) { |
|
$priority = $notify; |
|
} else { |
|
$priority = PRIORITY_HIGH; |
|
} |
|
} else { |
|
$item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM)); |
|
} |
|
|
|
$item['guid'] = self::guid($item, $notify); |
|
$item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid'])))); |
|
|
|
// Store conversation data |
|
$item = Conversation::insert($item); |
|
|
|
/* |
|
* If a Diaspora signature structure was passed in, pull it out of the |
|
* item array and set it aside for later storage. |
|
*/ |
|
|
|
$dsprsig = null; |
|
if (x($item, 'dsprsig')) { |
|
$encoded_signature = $item['dsprsig']; |
|
$dsprsig = json_decode(base64_decode($item['dsprsig'])); |
|
unset($item['dsprsig']); |
|
} |
|
|
|
if (!empty($item['diaspora_signed_text'])) { |
|
$diaspora_signed_text = $item['diaspora_signed_text']; |
|
unset($item['diaspora_signed_text']); |
|
} else { |
|
$diaspora_signed_text = ''; |
|
} |
|
|
|
// Converting the plink |
|
/// @TODO Check if this is really still needed |
|
if ($item['network'] == NETWORK_OSTATUS) { |
|
if (isset($item['plink'])) { |
|
$item['plink'] = OStatus::convertHref($item['plink']); |
|
} elseif (isset($item['uri'])) { |
|
$item['plink'] = OStatus::convertHref($item['uri']); |
|
} |
|
} |
|
|
|
if (!empty($item['thr-parent'])) { |
|
$item['parent-uri'] = $item['thr-parent']; |
|
} |
|
|
|
if (isset($item['gravity'])) { |
|
$item['gravity'] = intval($item['gravity']); |
|
} elseif ($item['parent-uri'] === $item['uri']) { |
|
$item['gravity'] = GRAVITY_PARENT; |
|
} elseif (activity_match($item['verb'], ACTIVITY_POST)) { |
|
$item['gravity'] = GRAVITY_COMMENT; |
|
} else { |
|
$item['gravity'] = GRAVITY_UNKNOWN; // Should not happen |
|
logger('Unknown gravity for verb: ' . $item['verb'], LOGGER_DEBUG); |
|
} |
|
|
|
$uid = intval($item['uid']); |
|
|
|
// check for create date and expire time |
|
$expire_interval = Config::get('system', 'dbclean-expire-days', 0); |
|
|
|
$user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]); |
|
if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) { |
|
$expire_interval = $user['expire']; |
|
} |
|
|
|
if (($expire_interval > 0) && !empty($item['created'])) { |
|
$expire_date = time() - ($expire_interval * 86400); |
|
$created_date = strtotime($item['created']); |
|
if ($created_date < $expire_date) { |
|
logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG); |
|
return 0; |
|
} |
|
} |
|
|
|
/* |
|
* Do we already have this item? |
|
* We have to check several networks since Friendica posts could be repeated |
|
* via OStatus (maybe Diasporsa as well) |
|
*/ |
|
if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) { |
|
$condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)", |
|
trim($item['uri']), $item['uid'], |
|
NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS]; |
|
$existing = self::selectFirst(['id', 'network'], $condition); |
|
if (DBA::isResult($existing)) { |
|
// We only log the entries with a different user id than 0. Otherwise we would have too many false positives |
|
if ($uid != 0) { |
|
logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']); |
|
} |
|
|
|
return $existing["id"]; |
|
} |
|
} |
|
|
|
// Ensure to always have the same creation date. |
|
$existing = DBA::selectfirst('item', ['created', 'uri-hash'], ['uri' => $item['uri']]); |
|
if (DBA::isResult($existing)) { |
|
$item['created'] = $existing['created']; |
|
$item['uri-hash'] = $existing['uri-hash']; |
|
} |
|
|
|
$item['wall'] = intval(defaults($item, 'wall', 0)); |
|
$item['extid'] = trim(defaults($item, 'extid', '')); |
|
$item['author-name'] = trim(defaults($item, 'author-name', '')); |
|
$item['author-link'] = trim(defaults($item, 'author-link', '')); |
|
$item['author-avatar'] = trim(defaults($item, 'author-avatar', '')); |
|
$item['owner-name'] = trim(defaults($item, 'owner-name', '')); |
|
$item['owner-link'] = trim(defaults($item, 'owner-link', '')); |
|
$item['owner-avatar'] = trim(defaults($item, 'owner-avatar', '')); |
|
$item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow()); |
|
$item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']); |
|
$item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']); |
|
$item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']); |
|
$item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']); |
|
$item['title'] = trim(defaults($item, 'title', '')); |
|
$item['location'] = trim(defaults($item, 'location', '')); |
|
$item['coord'] = trim(defaults($item, 'coord', '')); |
|
$item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1); |
|
$item['deleted'] = 0; |
|
$item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri'])); |
|
$item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE); |
|
$item['verb'] = trim(defaults($item, 'verb', '')); |
|
$item['object-type'] = trim(defaults($item, 'object-type', '')); |
|
$item['object'] = trim(defaults($item, 'object', '')); |
|
$item['target-type'] = trim(defaults($item, 'target-type', '')); |
|
$item['target'] = trim(defaults($item, 'target', '')); |
|
$item['plink'] = trim(defaults($item, 'plink', '')); |
|
$item['allow_cid'] = trim(defaults($item, 'allow_cid', '')); |
|
$item['allow_gid'] = trim(defaults($item, 'allow_gid', '')); |
|
$item['deny_cid'] = trim(defaults($item, 'deny_cid', '')); |
|
$item['deny_gid'] = trim(defaults($item, 'deny_gid', '')); |
|
$item['private'] = intval(defaults($item, 'private', 0)); |
|
$item['body'] = trim(defaults($item, 'body', '')); |
|
$item['tag'] = trim(defaults($item, 'tag', '')); |
|
$item['attach'] = trim(defaults($item, 'attach', '')); |
|
$item['app'] = trim(defaults($item, 'app', '')); |
|
$item['origin'] = intval(defaults($item, 'origin', 0)); |
|
$item['postopts'] = trim(defaults($item, 'postopts', '')); |
|
$item['resource-id'] = trim(defaults($item, 'resource-id', '')); |
|
$item['event-id'] = intval(defaults($item, 'event-id', 0)); |
|
$item['inform'] = trim(defaults($item, 'inform', '')); |
|
$item['file'] = trim(defaults($item, 'file', '')); |
|
|
|
// Unique identifier to be linked against item-activities and item-content |
|
$item['uri-hash'] = defaults($item, 'uri-hash', self::itemHash($item['uri'], $item['created'])); |
|
|
|
// When there is no content then we don't post it |
|
if ($item['body'].$item['title'] == '') { |
|
logger('No body, no title.'); |
|
return 0; |
|
} |
|
|
|
self::addLanguageToItemArray($item); |
|
|
|
// Items cannot be stored before they happen ... |
|
if ($item['created'] > DateTimeFormat::utcNow()) { |
|
$item['created'] = DateTimeFormat::utcNow(); |
|
} |
|
|
|
// We haven't invented time travel by now. |
|
if ($item['edited'] > DateTimeFormat::utcNow()) { |
|
$item['edited'] = DateTimeFormat::utcNow(); |
|
} |
|
|
|
$item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid'])); |
|
|
|
// The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes |
|
$item["contact-id"] = self::contactId($item); |
|
|
|
$default = ['url' => $item['author-link'], 'name' => $item['author-name'], |
|
'photo' => $item['author-avatar'], 'network' => $item['network']]; |
|
|
|
$item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default)); |
|
|
|
if (Contact::isBlocked($item["author-id"])) { |
|
logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored'); |
|
return 0; |
|
} |
|
|
|
$default = ['url' => $item['owner-link'], 'name' => $item['owner-name'], |
|
'photo' => $item['owner-avatar'], 'network' => $item['network']]; |
|
|
|
$item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default)); |
|
|
|
if (Contact::isBlocked($item["owner-id"])) { |
|
logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored'); |
|
return 0; |
|
} |
|
|
|
// These fields aren't stored anymore in the item table, they are fetched upon request |
|
unset($item['author-link']); |
|
unset($item['author-name']); |
|
unset($item['author-avatar']); |
|
|
|
unset($item['owner-link']); |
|
unset($item['owner-name']); |
|
unset($item['owner-avatar']); |
|
|
|
if ($item['network'] == NETWORK_PHANTOM) { |
|
logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG); |
|
|
|
$item['network'] = NETWORK_DFRN; |
|
logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG); |
|
} |
|
|
|
// Checking if there is already an item with the same guid |
|
logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG); |
|
$condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']]; |
|
if (self::exists($condition)) { |
|
logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG); |
|
return 0; |
|
} |
|
|
|
// Check for hashtags in the body and repair or add hashtag links |
|
self::setHashtags($item); |
|
|
|
$item['thr-parent'] = $item['parent-uri']; |
|
|
|
$notify_type = ''; |
|
$allow_cid = ''; |
|
$allow_gid = ''; |
|
$deny_cid = ''; |
|
$deny_gid = ''; |
|
|
|
if ($item['parent-uri'] === $item['uri']) { |
|
$parent_id = 0; |
|
$parent_deleted = 0; |
|
$allow_cid = $item['allow_cid']; |
|
$allow_gid = $item['allow_gid']; |
|
$deny_cid = $item['deny_cid']; |
|
$deny_gid = $item['deny_gid']; |
|
$notify_type = 'wall-new'; |
|
} else { |
|
// find the parent and snarf the item id and ACLs |
|
// and anything else we need to inherit |
|
|
|
$fields = ['uri', 'parent-uri', 'id', 'deleted', |
|
'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', |
|
'wall', 'private', 'forum_mode', 'origin']; |
|
$condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']]; |
|
$params = ['order' => ['id' => false]]; |
|
$parent = self::selectFirst($fields, $condition, $params); |
|
|
|
if (DBA::isResult($parent)) { |
|
// is the new message multi-level threaded? |
|
// even though we don't support it now, preserve the info |
|
// and re-attach to the conversation parent. |
|
|
|
if ($parent['uri'] != $parent['parent-uri']) { |
|
$item['parent-uri'] = $parent['parent-uri']; |
|
|
|
$condition = ['uri' => $item['parent-uri'], |
|
'parent-uri' => $item['parent-uri'], |
|
'uid' => $item['uid']]; |
|
$params = ['order' => ['id' => false]]; |
|
$toplevel_parent = self::selectFirst($fields, $condition, $params); |
|
|
|
if (DBA::isResult($toplevel_parent)) { |
|
$parent = $toplevel_parent; |
|
} |
|
} |
|
|
|
$parent_id = $parent['id']; |
|
$parent_deleted = $parent['deleted']; |
|
$allow_cid = $parent['allow_cid']; |
|
$allow_gid = $parent['allow_gid']; |
|
$deny_cid = $parent['deny_cid']; |
|
$deny_gid = $parent['deny_gid']; |
|
$item['wall'] = $parent['wall']; |
|
$notify_type = 'comment-new'; |
|
|
|
/* |
|
* If the parent is private, force privacy for the entire conversation |
|
* This differs from the above settings as it subtly allows comments from |
|
* email correspondents to be private even if the overall thread is not. |
|
*/ |
|
if ($parent['private']) { |
|
$item['private'] = $parent['private']; |
|
} |
|
|
|
/* |
|
* Edge case. We host a public forum that was originally posted to privately. |
|
* The original author commented, but as this is a comment, the permissions |
|
* weren't fixed up so it will still show the comment as private unless we fix it here. |
|
*/ |
|
if ((intval($parent['forum_mode']) == 1) && $parent['private']) { |
|
$item['private'] = 0; |
|
} |
|
|
|
// If its a post from myself then tag the thread as "mention" |
|
logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG); |
|
$user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]); |
|
if (DBA::isResult($user)) { |
|
$self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']); |
|
$self_id = Contact::getIdForURL($self, 0, true); |
|
logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG); |
|
if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) { |
|
DBA::update('thread', ['mention' => true], ['iid' => $parent_id]); |
|
logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG); |
|
} |
|
} |
|
} else { |
|
/* |
|
* Allow one to see reply tweets from status.net even when |
|
* we don't have or can't see the original post. |
|
*/ |
|
if ($force_parent) { |
|
logger('$force_parent=true, reply converted to top-level post.'); |
|
$parent_id = 0; |
|
$item['parent-uri'] = $item['uri']; |
|
$item['gravity'] = GRAVITY_PARENT; |
|
} else { |
|
logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item'); |
|
return 0; |
|
} |
|
|
|
$parent_deleted = 0; |
|
} |
|
} |
|
|
|
$condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?", |
|
$item['uri'], $item['network'], NETWORK_DFRN, $item['uid']]; |
|
if (self::exists($condition)) { |
|
logger('duplicated item with the same uri found. '.print_r($item,true)); |
|
return 0; |
|
} |
|
|
|
// On Friendica and Diaspora the GUID is unique |
|
if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) { |
|
$condition = ['guid' => $item['guid'], 'uid' => $item['uid']]; |
|
if (self::exists($condition)) { |
|
logger('duplicated item with the same guid found. '.print_r($item,true)); |
|
return 0; |
|
} |
|
} else { |
|
// Check for an existing post with the same content. There seems to be a problem with OStatus. |
|
$condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?", |
|
$item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']]; |
|
if (self::exists($condition)) { |
|
logger('duplicated item with the same body found. '.print_r($item,true)); |
|
return 0; |
|
} |
|
} |
|
|
|
// Is this item available in the global items (with uid=0)? |
|
if ($item["uid"] == 0) { |
|
$item["global"] = true; |
|
|
|
// Set the global flag on all items if this was a global item entry |
|
DBA::update('item', ['global' => true], ['uri' => $item["uri"]]); |
|
} else { |
|
$item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]); |
|
} |
|
|
|
// ACL settings |
|
if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) { |
|
$private = 1; |
|
} else { |
|
$private = $item['private']; |
|
} |
|
|
|
$item["allow_cid"] = $allow_cid; |
|
$item["allow_gid"] = $allow_gid; |
|
$item["deny_cid"] = $deny_cid; |
|
$item["deny_gid"] = $deny_gid; |
|
$item["private"] = $private; |
|
$item["deleted"] = $parent_deleted; |
|
|
|
// Fill the cache field |
|
put_item_in_cache($item); |
|
|
|
if ($notify) { |
|
$item['edit'] = false; |
|
$item['parent'] = $parent_id; |
|
Addon::callHooks('post_local', $item); |
|
unset($item['edit']); |
|
unset($item['parent']); |
|
} else { |
|
Addon::callHooks('post_remote', $item); |
|
} |
|
|
|
// This array field is used to trigger some automatic reactions |
|
// It is mainly used in the "post_local" hook. |
|
unset($item['api_source']); |
|
|
|
if (x($item, 'cancel')) { |
|
logger('post cancelled by addon.'); |
|
return 0; |
|
} |
|
|
|
/* |
|
* Check for already added items. |
|
* There is a timing issue here that sometimes creates double postings. |
|
* An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this. |
|
*/ |
|
if ($item["uid"] == 0) { |
|
if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) { |
|
logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG); |
|
return 0; |
|
} |
|
} |
|
|
|
logger('' . print_r($item,true), LOGGER_DATA); |
|
|
|
if (array_key_exists('tag', $item)) { |
|
$tags = $item['tag']; |
|
unset($item['tag']); |
|
} else { |
|
$tags = ''; |
|
} |
|
|
|
if (array_key_exists('file', $item)) { |
|
$files = $item['file']; |
|
unset($item['file']); |
|
} else { |
|
$files = ''; |
|
} |
|
|
|
// Creates or assigns the permission set |
|
$item['psid'] = PermissionSet::fetchIDForPost($item); |
|
|
|
// We are doing this outside of the transaction to avoid timing problems |
|
if (!self::insertActivity($item)) { |
|
self::insertContent($item); |
|
} |
|
|
|
$delivery_data = ['postopts' => defaults($item, 'postopts', ''), |
|
'inform' => defaults($item, 'inform', '')]; |
|
|
|
unset($item['postopts']); |
|
unset($item['inform']); |
|
|
|
DBA::transaction(); |
|
$ret = DBA::insert('item', $item); |
|
|
|
// When the item was successfully stored we fetch the ID of the item. |
|
if (DBA::isResult($ret)) { |
|
$current_post = DBA::lastInsertId(); |
|
} else { |
|
// This can happen - for example - if there are locking timeouts. |
|
DBA::rollback(); |
|
|
|
// Store the data into a spool file so that we can try again later. |
|
|
|
// At first we restore the Diaspora signature that we removed above. |
|
if (isset($encoded_signature)) { |
|
$item['dsprsig'] = $encoded_signature; |
|
} |
|
|
|
// Now we store the data in the spool directory |
|
// We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates |
|
$file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg'; |
|
|
|
$spoolpath = get_spoolpath(); |
|
if ($spoolpath != "") { |
|
$spool = $spoolpath.'/'.$file; |
|
|
|
// Ensure to have the removed data from above again in the item array |
|
$item = array_merge($item, $delivery_data); |
|
|
|
file_put_contents($spool, json_encode($item)); |
|
logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG); |
|
} |
|
return 0; |
|
} |
|
|
|
if ($current_post == 0) { |
|
// This is one of these error messages that never should occur. |
|
logger("couldn't find created item - we better quit now."); |
|
DBA::rollback(); |
|
return 0; |
|
} |
|
|
|
// How much entries have we created? |
|
// We wouldn't need this query when we could use an unique index - but MySQL has length problems with them. |
|
$entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]); |
|
|
|
if ($entries > 1) { |
|
// There are duplicates. We delete our just created entry. |
|
logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']); |
|
|
|
// Yes, we could do a rollback here - but we are having many users with MyISAM. |
|
DBA::delete('item', ['id' => $current_post]); |
|
DBA::commit(); |
|
return 0; |
|
} elseif ($entries == 0) { |
|
// This really should never happen since we quit earlier if there were problems. |
|
logger("Something is terribly wrong. We haven't found our created entry."); |
|
DBA::rollback(); |
|
return 0; |
|
} |
|
|
|
logger('created item '.$current_post); |
|
self::updateContact($item); |
|
|
|
if (!$parent_id || ($item['parent-uri'] === $item['uri'])) { |
|
$parent_id = $current_post; |
|
} |
|
|
|
// Set parent id |
|
DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]); |
|
|
|
$item['id'] = $current_post; |
|
$item['parent'] = $parent_id; |
|
|
|
// update the commented timestamp on the parent |
|
// Only update "commented" if it is really a comment |
|
if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) { |
|
DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]); |
|
} else { |
|
DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]); |
|
} |
|
|
|
if ($dsprsig) { |
|
/* |
|
* Friendica servers lower than 3.4.3-2 had double encoded the signature ... |
|
* We can check for this condition when we decode and encode the stuff again. |
|
*/ |
|
if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) { |
|
$dsprsig->signature = base64_decode($dsprsig->signature); |
|
logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG); |
|
} |
|
|
|
DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text, |
|
'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]); |
|
} |
|
|
|
if (!empty($diaspora_signed_text)) { |
|
// Formerly we stored the signed text, the signature and the author in different fields. |
|
// We now store the raw data so that we are more flexible. |
|
DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]); |
|
} |
|
|
|
$deleted = self::tagDeliver($item['uid'], $current_post); |
|
|
|
/* |
|
* current post can be deleted if is for a community page and no mention are |
|
* in it. |
|
*/ |
|
if (!$deleted && !$dontcache) { |
|
$posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]); |
|
if (DBA::isResult($posted_item)) { |
|
if ($notify) { |
|
Addon::callHooks('post_local_end', $posted_item); |
|
} else { |
|
Addon::callHooks('post_remote_end', $posted_item); |
|
} |
|
} else { |
|
logger('new item not found in DB, id ' . $current_post); |
|
} |
|
} |
|
|
|
if ($item['parent-uri'] === $item['uri']) { |
|
self::addThread($current_post); |
|
} else { |
|
self::updateThread($parent_id); |
|
} |
|
|
|
$delivery_data['iid'] = $current_post; |
|
|
|
self::insertDeliveryData($delivery_data); |
|
|
|
DBA::commit(); |
|
|
|
/* |
|
* Due to deadlock issues with the "term" table we are doing these steps after the commit. |
|
* This is not perfect - but a workable solution until we found the reason for the problem. |
|
*/ |
|
if (!empty($tags)) { |
|
Term::insertFromTagFieldByItemId($current_post, $tags); |
|
} |
|
|
|
if (!empty($files)) { |
|
Term::insertFromFileFieldByItemId($current_post, $files); |
|
} |
|
|
|
if ($item['parent-uri'] === $item['uri']) { |
|
self::addShadow($current_post); |
|
} else { |
|
self::addShadowPost($current_post); |
|
} |
|
|
|
check_user_notification($current_post); |
|
|
|
if ($notify) { |
|
Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post); |
|
} elseif (!empty($parent) && $parent['origin']) { |
|
Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post); |
|
} |
|
|
|
return $current_post; |
|
} |
|
|
|
/** |
|
* @brief Insert a new item delivery data entry |
|
* |
|
* @param array $item The item fields that are to be inserted |
|
*/ |
|
private static function insertDeliveryData($delivery_data) |
|
{ |
|
if (empty($delivery_data['iid']) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) { |
|
return; |
|
} |
|
|
|
DBA::insert('item-delivery-data', $delivery_data); |
|
} |
|
|
|
/** |
|
* @brief Update an existing item delivery data entry |
|
* |
|
* @param integer $id The item id that is to be updated |
|
* @param array $item The item fields that are to be inserted |
|
*/ |
|
private static function updateDeliveryData($id, $delivery_data) |
|
{ |
|
if (empty($id) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) { |
|
return; |
|
} |
|
|
|
DBA::update('item-delivery-data', $delivery_data, ['iid' => $id], true); |
|
} |
|
|
|
/** |
|
* @brief Insert a new item content entry |
|
* |
|
* @param array $item The item fields that are to be inserted |
|
*/ |
|
private static function insertActivity(&$item) |
|
{ |
|
$activity_index = self::activityToIndex($item['verb']); |
|
|
|
if ($activity_index < 0) { |
|
return false; |
|
} |
|
|
|
$fields = ['uri' => $item['uri'], 'activity' => $activity_index, |
|
'uri-hash' => $item['uri-hash']]; |
|
|
|
// We just remove everything that is content |
|
foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { |
|
unset($item[$field]); |
|
} |
|
|
|
// To avoid timing problems, we are using locks. |
|
$locked = Lock::acquire('item_insert_activity'); |
|
if (!$locked) { |
|
logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway."); |
|
} |
|
|
|
// Do we already have this content? |
|
$item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-hash' => $item['uri-hash']]); |
|
if (DBA::isResult($item_activity)) { |
|
$item['iaid'] = $item_activity['id']; |
|
logger('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')'); |
|
} elseif (DBA::insert('item-activity', $fields)) { |
|
$item['iaid'] = DBA::lastInsertId(); |
|
logger('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')'); |
|
} else { |
|
// This shouldn't happen. |
|
logger('Could not insert activity for URI ' . $item['uri'] . ' - should not happen'); |
|
return false; |
|
} |
|
if ($locked) { |
|
Lock::release('item_insert_activity'); |
|
} |
|
return true; |
|
} |
|
|
|
/** |
|
* @brief Insert a new item content entry |
|
* |
|
* @param array $item The item fields that are to be inserted |
|
*/ |
|
private static function insertContent(&$item) |
|
{ |
|
$fields = ['uri' => $item['uri'], 'uri-plink-hash' => $item['uri-hash']]; |
|
|
|
foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { |
|
if (isset($item[$field])) { |
|
$fields[$field] = $item[$field]; |
|
unset($item[$field]); |
|
} |
|
} |
|
|
|
// To avoid timing problems, we are using locks. |
|
$locked = Lock::acquire('item_insert_content'); |
|
if (!$locked) { |
|
logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway."); |
|
} |
|
|
|
// Do we already have this content? |
|
$item_content = DBA::selectFirst('item-content', ['id'], ['uri-plink-hash' => $item['uri-hash']]); |
|
if (DBA::isResult($item_content)) { |
|
$item['icid'] = $item_content['id']; |
|
logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')'); |
|
} elseif (DBA::insert('item-content', $fields)) { |
|
$item['icid'] = DBA::lastInsertId(); |
|
logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')'); |
|
} else { |
|
// This shouldn't happen. |
|
logger('Could not insert content for URI ' . $item['uri'] . ' - should not happen'); |
|
} |
|
if ($locked) { |
|
Lock::release('item_insert_content'); |
|
} |
|
} |
|
|
|
/** |
|
* @brief Update existing item content entries |
|
* |
|
* @param array $item The item fields that are to be changed |
|
* @param array $condition The condition for finding the item content entries |
|
*/ |
|
private static function updateActivity($item, $condition) |
|
{ |
|
if (empty($item['verb'])) { |
|
return false; |
|
} |
|
$activity_index = self::activityToIndex($item['verb']); |
|
|
|
if ($activity_index < 0) { |
|
return false; |
|
} |
|
|
|
$fields = ['activity' => $activity_index]; |
|
|
|
logger('Update activity for ' . json_encode($condition)); |
|
|
|
DBA::update('item-activity', $fields, $condition, true); |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* @brief Update existing item content entries |
|
* |
|
* @param array $item The item fields that are to be changed |
|
* @param array $condition The condition for finding the item content entries |
|
*/ |
|
private static function updateContent($item, $condition) |
|
{ |
|
// We have to select only the fields from the "item-content" table |
|
$fields = []; |
|
foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { |
|
if (isset($item[$field])) { |
|
$fields[$field] = $item[$field]; |
|
} |
|
} |
|
|
|
if (empty($fields)) { |
|
// when there are no fields at all, just use the condition |
|
// This is to ensure that we always store content. |
|
$fields = $condition; |
|
} |
|
|
|
logger('Update content for ' . json_encode($condition)); |
|
|
|
DBA::update('item-content', $fields, $condition, true); |
|
} |
|
|
|
/** |
|
* @brief Distributes public items to the receivers |
|
* |
|
* @param integer $itemid Item ID that should be added |
|
* @param string $signed_text Original text (for Diaspora signatures), JSON encoded. |
|
*/ |
|
public static function distribute($itemid, $signed_text = '') |
|
{ |
|
$condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid]; |
|
$parent = self::selectFirst(['owner-id'], $condition); |
|
if (!DBA::isResult($parent)) { |
|
return; |
|
} |
|
|
|
// Only distribute public items from native networks |
|
$condition = ['id' => $itemid, 'uid' => 0, |
|
'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""], |
|
'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false]; |
|
$item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]); |
|
if (!DBA::isResult($item)) { |
|
return; |
|
} |
|
|
|
$origin = $item['origin']; |
|
|
|
unset($item['id']); |
|
unset($item['parent']); |
|
unset($item['mention']); |
|
unset($item['wall']); |
|
unset($item['origin']); |
|
unset($item['starred']); |
|
|
|
$users = []; |
|
|
|
$condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)", |
|
$parent['owner-id'], Contact::SHARING, Contact::FRIEND]; |
|
|
|
$contacts = DBA::select('contact', ['uid'], $condition); |
|
|
|
while ($contact = DBA::fetch($contacts)) { |
|
$users[$contact['uid']] = $contact['uid']; |
|
} |
|
|
|
$origin_uid = 0; |
|
|
|
if ($item['uri'] != $item['parent-uri']) { |
|
$parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]); |
|
while ($parent = DBA::fetch($parents)) { |
|
$users[$parent['uid']] = $parent['uid']; |
|
if ($parent['origin'] && !$origin) { |
|
$origin_uid = $parent['uid']; |
|
} |
|
} |
|
} |
|
|
|
foreach ($users as $uid) { |
|
if ($origin_uid == $uid) { |
|
$item['diaspora_signed_text'] = $signed_text; |
|
} |
|
self::storeForUser($itemid, $item, $uid); |
|
} |
|
} |
|
|
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/** |
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* @brief Store public items for the receivers |
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* |
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* @param integer $itemid Item ID that should be added |
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* @param array $item The item entry that will be stored |
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* @param integer $uid The user that will receive the item entry |
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*/ |
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private static function storeForUser($itemid, $item, $uid) |
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{ |
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$item['uid'] = $uid; |
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$item['origin'] = 0; |
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$item['wall'] = 0; |
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if ($item['uri'] == $item['parent-uri']) { |
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$item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid); |
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} else { |
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$item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid); |
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} |
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if (empty($item['contact-id'])) { |
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$self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]); |
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if (!DBA::isResult($self)) { |
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return; |
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} |
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$item['contact-id'] = $self['id']; |
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} |
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/// @todo Handling of "event-id" |
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$notify = false; |
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if ($item['uri'] == $item['parent-uri']) { |
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$contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]); |
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if (DBA::isResult($contact)) { |
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$notify = self::isRemoteSelf($contact, $item); |
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} |
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} |
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$distributed = self::insert($item, false, $notify, true); |
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if (!$distributed) { |
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logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG); |
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} else { |
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logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG); |
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} |
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} |
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/** |
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* @brief Add a shadow entry for a given item id that is a thread starter |
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* |
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* We store every public item entry additionally with the user id "0". |
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* This is used for the community page and for the search. |
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* It is planned that in the future we will store public item entries only once. |
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* |
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* @param integer $itemid Item ID that should be added |
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*/ |
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public static function addShadow($itemid) |
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{ |
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$fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri']; |
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$condition = ['id' => $itemid, 'parent' => [0, $itemid]]; |
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$item = self::selectFirst($fields, $condition); |
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if (!DBA::isResult($item)) { |
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return; |
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} |
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// is it already a copy? |
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if (($itemid == 0) || ($item['uid'] == 0)) { |
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return; |
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} |
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// Is it a visible public post? |
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if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) { |
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return; |
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} |
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// is it an entry from a connector? Only add an entry for natively connected networks |
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if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) { |
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return; |
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} |
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if (self::exists(['uri' => $item['uri'], 'uid' => 0])) { |
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return; |
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} |
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$item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]); |
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if (DBA::isResult($item)) { |
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// Preparing public shadow (removing user specific data) |
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$item['uid'] = 0; |
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unset($item['id']); |
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unset($item['parent']); |
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unset($item['wall']); |
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unset($item['mention']); |
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unset($item['origin']); |
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unset($item['starred']); |
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unset($item['postopts']); |
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unset($item['inform']); |
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if ($item['uri'] == $item['parent-uri']) { |
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$item['contact-id'] = $item['owner-id']; |
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} else { |
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$item['contact-id'] = $item['author-id']; |
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} |
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$public_shadow = self::insert($item, false, false, true); |
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logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG); |
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} |
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} |
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/** |
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* @brief Add a shadow entry for a given item id that is a comment |
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* |
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* This function does the same like the function above - but for comments |
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* |
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* @param integer $itemid Item ID that should be added |
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*/ |
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public static function addShadowPost($itemid) |
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{ |
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$item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]); |
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if (!DBA::isResult($item)) { |
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return; |
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} |
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// Is it a toplevel post? |
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if ($item['id'] == $item['parent']) { |
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self::addShadow($itemid); |
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return; |
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} |
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// Is this a shadow entry? |
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if ($item['uid'] == 0) { |
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return; |
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} |
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// Is there a shadow parent? |
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if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) { |
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return; |
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} |
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// Is there already a shadow entry? |
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if (self::exists(['uri' => $item['uri'], 'uid' => 0])) { |
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return; |
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} |
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// Save "origin" and "parent" state |
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$origin = $item['origin']; |
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$parent = $item['parent']; |
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// Preparing public shadow (removing user specific data) |
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$item['uid'] = 0; |
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unset($item['id']); |
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unset($item['parent']); |
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unset($item['wall']); |
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unset($item['mention']); |
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unset($item['origin']); |
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unset($item['starred']); |
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unset($item['postopts']); |
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unset($item['inform']); |
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$item['contact-id'] = Contact::getIdForURL($item['author-link']); |
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$public_shadow = self::insert($item, false, false, true); |
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logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG); |
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// If this was a comment to a Diaspora post we don't get our comment back. |
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// This means that we have to distribute the comment by ourselves. |
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if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) { |
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self::distribute($public_shadow); |
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} |
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} |
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/** |
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* Adds a language specification in a "language" element of given $arr. |
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* Expects "body" element to exist in $arr. |
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*/ |
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private static function addLanguageToItemArray(&$item) |
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{ |
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$naked_body = BBCode::toPlaintext($item['body'], false); |
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$ld = new Text_LanguageDetect(); |
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$ld->setNameMode(2); |
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$languages = $ld->detect($naked_body, 3); |
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if (is_array($languages)) { |
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$item['language'] = json_encode($languages); |
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} |
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} |
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/** |
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* @brief Creates an unique guid out of a given uri |
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* |
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* @param string $uri uri of an item entry |
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* @param string $host hostname for the GUID prefix |
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* @return string unique guid |
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*/ |
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public static function guidFromUri($uri, $host) |
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{ |
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// Our regular guid routine is using this kind of prefix as well |
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// We have to avoid that different routines could accidentally create the same value |
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$parsed = parse_url($uri); |
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// We use a hash of the hostname as prefix for the guid |
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$guid_prefix = hash("crc32", $host); |
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// Remove the scheme to make sure that "https" and "http" doesn't make a difference |
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unset($parsed["scheme"]); |
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// Glue it together to be able to make a hash from it |
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$host_id = implode("/", $parsed); |
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// We could use any hash algorithm since it isn't a security issue |
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$host_hash = hash("ripemd128", $host_id); |
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return $guid_prefix.$host_hash; |
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} |
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/** |
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* generate an unique URI |
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* |
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* @param integer $uid User id |
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* @param string $guid An existing GUID (Otherwise it will be generated) |
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* |
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* @return string |
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*/ |
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public static function newURI($uid, $guid = "") |
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{ |
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if ($guid == "") { |
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$guid = System::createGUID(32); |
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} |
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$hostname = self::getApp()->get_hostname(); |
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$user = DBA::selectFirst('user', ['nickname'], ['uid' => $uid]); |
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$uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid; |
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return $uri; |
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} |
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/** |
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* @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact |
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* |
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* This can be used to filter for inactive contacts. |
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* Only do this for public postings to avoid privacy problems, since poco data is public. |
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* Don't set this value if it isn't from the owner (could be an author that we don't know) |
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* |
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* @param array $arr Contains the just posted item record |
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*/ |
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private static function updateContact($arr) |
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{ |
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// Unarchive the author |
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$contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]); |
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if (DBA::isResult($contact)) { |
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Contact::unmarkForArchival($contact); |
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} |
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// Unarchive the contact if it's not our own contact |
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$contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]); |
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if (DBA::isResult($contact)) { |
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Contact::unmarkForArchival($contact); |
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} |
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$update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"]))); |
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// Is it a forum? Then we don't care about the rules from above |
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if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) { |
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if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) { |
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$update = true; |
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} |
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} |
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if ($update) { |
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DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], |
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['id' => $arr['contact-id']]); |
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} |
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// Now do the same for the system wide contacts with uid=0 |
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if (!$arr['private']) { |
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DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr[ |