friendica-github/src/Content/Item.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Content;
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use Friendica\Content\Text\BBCode;
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use Friendica\Content\Text\HTML;
use Friendica\Core\Hook;
use Friendica\Core\L10n;
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use Friendica\Core\Logger;
use Friendica\Core\Protocol;
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use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
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use Friendica\Model\Group;
use Friendica\Model\Item as ItemModel;
use Friendica\Model\Photo;
use Friendica\Model\Tag;
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use Friendica\Model\Post;
use Friendica\Protocol\Activity;
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use Friendica\Protocol\Diaspora;
use Friendica\Util\Profiler;
use Friendica\Util\Proxy;
use Friendica\Util\XML;
/**
* A content helper class for displaying items
*/
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class Item
{
/** @var Activity */
private $activity;
/** @var L10n */
private $l10n;
/** @var Profiler */
private $profiler;
public function __construct(Profiler $profiler, Activity $activity, L10n $l10n)
{
$this->profiler = $profiler;
$this->activity = $activity;
$this->l10n = $l10n;
}
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/**
* Return array with details for categories and folders for an item
*
* @param array $item
* @param int $uid
* @return [array, array]
*
* [
* [ // categories array
* {
* 'name': 'category name',
* 'removeurl': 'url to remove this category',
* 'first': 'is the first in this array? true/false',
* 'last': 'is the last in this array? true/false',
* } ,
* ....
* ],
* [ //folders array
* {
* 'name': 'folder name',
* 'removeurl': 'url to remove this folder',
* 'first': 'is the first in this array? true/false',
* 'last': 'is the last in this array? true/false',
* } ,
* ....
* ]
* ]
*/
public function determineCategoriesTerms(array $item, int $uid = 0): array
{
$categories = [];
$folders = [];
$first = true;
$uid = $item['uid'] ?: $uid;
if (empty($item['has-categories'])) {
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return [$categories, $folders];
}
foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::CATEGORY) as $savedFolderName) {
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if (!empty($item['author-link'])) {
$url = $item['author-link'] . "?category=" . rawurlencode($savedFolderName);
} else {
$url = '#';
}
$categories[] = [
'name' => $savedFolderName,
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'url' => $url,
'removeurl' => DI::userSession()->getLocalUserId() == $uid ? 'filerm/' . $item['id'] . '?cat=' . rawurlencode($savedFolderName) : '',
'first' => $first,
'last' => false
];
$first = false;
}
if (count($categories)) {
$categories[count($categories) - 1]['last'] = true;
}
if (DI::userSession()->getLocalUserId() == $uid) {
foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::FILE) as $savedFolderName) {
$folders[] = [
'name' => $savedFolderName,
'url' => "#",
'removeurl' => DI::userSession()->getLocalUserId() == $uid ? 'filerm/' . $item['id'] . '?term=' . rawurlencode($savedFolderName) : '',
'first' => $first,
'last' => false
];
$first = false;
}
}
if (count($folders)) {
$folders[count($folders) - 1]['last'] = true;
}
return [$categories, $folders];
}
/**
* This function removes the tag $tag from the text $body and replaces it with
* the appropriate link.
*
* @param string $body the text to replace the tag in
* @param int $profile_uid the user id to replace the tag for (0 = anyone)
* @param string $tag the tag to replace
* @param string $network The network of the post
*
* @return array|bool ['replaced' => $replaced, 'contact' => $contact] or "false" on if already replaced
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function replaceTag(string &$body, int $profile_uid, string $tag, string $network = '')
{
$replaced = false;
//is it a person tag?
if (Tag::isType($tag, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION)) {
$tag_type = substr($tag, 0, 1);
//is it already replaced?
if (strpos($tag, '[url=')) {
return $replaced;
}
//get the person's name
$name = substr($tag, 1);
// Sometimes the tag detection doesn't seem to work right
// This is some workaround
$nameparts = explode(' ', $name);
$name = $nameparts[0];
// Try to detect the contact in various ways
if (strpos($name, 'http://') || strpos($name, '@')) {
$contact = Contact::getByURLForUser($name, $profile_uid);
} else {
$contact = false;
$fields = ['id', 'url', 'nick', 'name', 'alias', 'network', 'forum', 'prv'];
if (strrpos($name, '+')) {
// Is it in format @nick+number?
$tagcid = intval(substr($name, strrpos($name, '+') + 1));
$contact = DBA::selectFirst('contact', $fields, ['id' => $tagcid, 'uid' => $profile_uid]);
}
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// select someone by nick in the current network
if (!DBA::isResult($contact) && ($network != '')) {
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$condition = ["`nick` = ? AND `network` = ? AND `uid` = ?",
$name, $network, $profile_uid];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
// select someone by attag in the current network
if (!DBA::isResult($contact) && ($network != '')) {
$condition = ["`attag` = ? AND `network` = ? AND `uid` = ?",
$name, $network, $profile_uid];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
//select someone by name in the current network
if (!DBA::isResult($contact) && ($network != '')) {
$condition = ['name' => $name, 'network' => $network, 'uid' => $profile_uid];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
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// select someone by nick in any network
if (!DBA::isResult($contact)) {
$condition = ["`nick` = ? AND `uid` = ?", $name, $profile_uid];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
// select someone by attag in any network
if (!DBA::isResult($contact)) {
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$condition = ["`attag` = ? AND `uid` = ?", $name, $profile_uid];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
// select someone by name in any network
if (!DBA::isResult($contact)) {
$condition = ['name' => $name, 'uid' => $profile_uid];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
}
// Check if $contact has been successfully loaded
if (DBA::isResult($contact)) {
$profile = $contact['url'];
$newname = ($contact['name'] ?? '') ?: $contact['nick'];
}
//if there is an url for this persons profile
if (isset($profile) && ($newname != '')) {
$replaced = true;
// create profile link
$profile = str_replace(',', '%2c', $profile);
$newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
$body = str_replace($tag_type . $name, $newtag, $body);
}
}
return ['replaced' => $replaced, 'contact' => $contact];
}
/**
* Render actions localized
*
* @param array $item
* @return void
* @throws ImagickException
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public function localize(array &$item)
{
$this->profiler->startRecording('rendering');
/// @todo The following functionality needs to be cleaned up.
if (!empty($item['verb'])) {
$xmlhead = '<?xml version="1.0" encoding="UTF-8" ?>';
if ($this->activity->match($item['verb'], Activity::TAG)) {
$fields = ['author-id', 'author-link', 'author-name', 'author-network',
'verb', 'object-type', 'resource-id', 'body', 'plink'];
$obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
if (!DBA::isResult($obj)) {
$this->profiler->stopRecording();
return;
}
$author_arr = [
'uid' => 0,
'id' => $item['author-id'],
'network' => $item['author-network'],
'url' => $item['author-link'],
];
$author = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
$author_arr = [
'uid' => 0,
'id' => $obj['author-id'],
'network' => $obj['author-network'],
'url' => $obj['author-link'],
];
$objauthor = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
switch ($obj['verb']) {
case Activity::POST:
switch ($obj['object-type']) {
case Activity\ObjectType::EVENT:
$post_type = $this->l10n->t('event');
break;
default:
$post_type = $this->l10n->t('status');
}
break;
default:
if ($obj['resource-id']) {
$post_type = $this->l10n->t('photo');
$m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
$rr['plink'] = $m[1];
} else {
$post_type = $this->l10n->t('status');
}
// Let's break everthing ... ;-)
break;
}
$plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
$parsedobj = XML::parseString($xmlhead . $item['object']);
$tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
$item['body'] = $this->l10n->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
}
}
$this->profiler->stopRecording();
}
/**
* Renders photo menu based on item
*
* @param array $item
* @param string $formSecurityToken
* @return string
*/
public function photoMenu(array $item, string $formSecurityToken): string
{
$this->profiler->startRecording('rendering');
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$sub_link = $contact_url = $pm_url = $status_link = '';
$photos_link = $posts_link = $block_link = $ignore_link = '';
if (DI::userSession()->getLocalUserId() && DI::userSession()->getLocalUserId() == $item['uid'] && $item['gravity'] == ItemModel::GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
$sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
}
$author = [
'uid' => 0,
'id' => $item['author-id'],
'network' => $item['author-network'],
'url' => $item['author-link'],
];
$profile_link = Contact::magicLinkByContact($author, $item['author-link']);
$sparkle = (strpos($profile_link, 'redir/') === 0);
$cid = 0;
$pcid = $item['author-id'];
$network = '';
$rel = 0;
$condition = ['uid' => DI::userSession()->getLocalUserId(), 'uri-id' => $item['author-uri-id']];
$contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
if (DBA::isResult($contact)) {
$cid = $contact['id'];
$network = $contact['network'];
$rel = $contact['rel'];
}
if ($sparkle) {
$status_link = $profile_link . '/status';
$photos_link = str_replace('/profile/', '/photos/', $profile_link);
$profile_link = $profile_link . '/profile';
}
if (!empty($pcid)) {
$contact_url = 'contact/' . $pcid;
$posts_link = $contact_url . '/posts';
$block_link = $item['self'] ? '' : $contact_url . '/block?t=' . $formSecurityToken;
$ignore_link = $item['self'] ? '' : $contact_url . '/ignore?t=' . $formSecurityToken;
}
if ($cid && !$item['self']) {
$contact_url = 'contact/' . $cid;
$posts_link = $contact_url . '/posts';
if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
$pm_url = 'message/new/' . $cid;
}
}
if (DI::userSession()->getLocalUserId()) {
$menu = [
$this->l10n->t('Follow Thread') => $sub_link,
$this->l10n->t('View Status') => $status_link,
$this->l10n->t('View Profile') => $profile_link,
$this->l10n->t('View Photos') => $photos_link,
$this->l10n->t('Network Posts') => $posts_link,
$this->l10n->t('View Contact') => $contact_url,
$this->l10n->t('Send PM') => $pm_url,
$this->l10n->t('Block') => $block_link,
$this->l10n->t('Ignore') => $ignore_link
];
if (!empty($item['language'])) {
$menu[$this->l10n->t('Languages')] = 'javascript:alert(\'' . ItemModel::getLanguageMessage($item) . '\');';
}
if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
in_array($item['network'], Protocol::FEDERATED)) {
$menu[$this->l10n->t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']) . '&auto=1';
}
} else {
$menu = [$this->l10n->t('View Profile') => $item['author-link']];
}
$args = ['item' => $item, 'menu' => $menu];
Hook::callAll('item_photo_menu', $args);
$menu = $args['menu'];
$o = '';
foreach ($menu as $k => $v) {
if (strpos($v, 'javascript:') === 0) {
$v = substr($v, 11);
$o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
} elseif ($v) {
$o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
}
}
$this->profiler->stopRecording();
return $o;
}
/**
* Checks if the activity is visible to current user
*
* @param array $item Activity item
* @return bool Whether the item is visible to the user
*/
public function isVisibleActivity(array $item): bool
{
// Empty verb or hidden?
if (empty($item['verb']) || $this->activity->isHidden($item['verb'])) {
return false;
}
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// Check conditions
return (!($this->activity->match($item['verb'], Activity::FOLLOW) &&
$item['object-type'] === Activity\ObjectType::NOTE &&
empty($item['self']) &&
$item['uid'] == DI::userSession()->getLocalUserId())
);
}
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public function expandTags(array $item, bool $setPermissions = false): array
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{
// Look for any tags and linkify them
$item['inform'] = '';
$private_forum = false;
$private_id = null;
$only_to_forum = false;
$forum_contact = [];
$receivers = [];
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// Convert mentions in the body to a unified format
$item['body'] = BBCode::setMentions($item['body'], $item['uid'], $item['network']);
// Search for forum mentions
foreach (Tag::getFromBody($item['body'], Tag::TAG_CHARACTER[Tag::MENTION] . Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]) as $tag) {
$contact = Contact::getByURLForUser($tag[2], $item['uid']);
if (empty($contact)) {
continue;
}
$receivers[] = $contact['id'];
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if (!empty($item['inform'])) {
$item['inform'] .= ',';
}
$item['inform'] .= 'cid:' . $contact['id'];
if (($item['gravity'] == ItemModel::GRAVITY_COMMENT) || empty($contact['cid']) || ($contact['contact-type'] != Contact::TYPE_COMMUNITY)) {
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continue;
}
if (!empty($contact['prv']) || ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
$private_forum = $contact['prv'];
$only_to_forum = ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
$private_id = $contact['id'];
$forum_contact = $contact;
Logger::info('Private forum or exclusive mention', ['url' => $tag[2], 'mention' => $tag[1]]);
} elseif ($item['allow_cid'] == '<' . $contact['id'] . '>') {
$private_forum = false;
$only_to_forum = true;
$private_id = $contact['id'];
$forum_contact = $contact;
Logger::info('Public forum', ['url' => $tag[2], 'mention' => $tag[1]]);
} else {
Logger::info('Post with forum mention will not be converted to a forum post', ['url' => $tag[2], 'mention' => $tag[1]]);
}
}
Logger::info('Got inform', ['inform' => $item['inform']]);
if (($item['gravity'] == ItemModel::GRAVITY_PARENT) && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
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// we tagged a forum in a top level post. Now we change the post
$item['private'] = $private_forum ? ItemModel::PRIVATE : ItemModel::UNLISTED;
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if ($only_to_forum) {
$item['postopts'] = '';
}
$item['deny_cid'] = '';
$item['deny_gid'] = '';
if ($private_forum) {
$item['allow_cid'] = '<' . $private_id . '>';
$item['allow_gid'] = '<' . Group::getIdForForum($forum_contact['id']) . '>';
} else {
$item['allow_cid'] = '';
$item['allow_gid'] = '';
}
} elseif ($setPermissions && ($item['gravity'] == ItemModel::GRAVITY_PARENT)) {
if (empty($receivers)) {
// For security reasons direct posts without any receiver will be posts to yourself
$self = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
$receivers[] = $self['id'];
}
$item['private'] = ItemModel::PRIVATE;
$item['allow_cid'] = '';
$item['allow_gid'] = '';
$item['deny_cid'] = '';
$item['deny_gid'] = '';
foreach ($receivers as $receiver) {
$item['allow_cid'] .= '<' . $receiver . '>';
}
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}
return $item;
}
public function getAuthorAvatar(array $item): string
{
if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
$author_avatar = $item['contact-id'];
$author_updated = '';
$author_thumb = $item['contact-avatar'];
} else {
$author_avatar = $item['author-id'];
$author_updated = $item['author-updated'];
$author_thumb = $item['author-avatar'];
}
if (empty($author_thumb) || Photo::isPhotoURI($author_thumb)) {
$author_thumb = Contact::getAvatarUrlForId($author_avatar, Proxy::SIZE_THUMB, $author_updated);
}
return $author_thumb;
}
public function getOwnerAvatar(array $item): string
{
if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
$owner_avatar = $item['contact-id'];
$owner_updated = '';
$owner_thumb = $item['contact-avatar'];
} else {
$owner_avatar = $item['owner-id'];
$owner_updated = $item['owner-updated'];
$owner_thumb = $item['owner-avatar'];
}
if (empty($owner_thumb) || Photo::isPhotoURI($owner_thumb)) {
$owner_thumb = Contact::getAvatarUrlForId($owner_avatar, Proxy::SIZE_THUMB, $owner_updated);
}
return $owner_thumb;
}
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/**
* Add a share block for the given url
*
* @param string $url
* @param integer $uid
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* @param bool $add_media
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* @return string
*/
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public function createSharedPostByUrl(string $url, int $uid = 0, bool $add_media = false): string
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{
if (!empty($uid)) {
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$id = ItemModel::searchByLink($url, $uid);
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}
if (empty($id)) {
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$id = ItemModel::fetchByLink($url);
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}
if (!$id) {
Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid, 'callstack' => System::callstack()]);
return '';
}
Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid, 'callstack' => System::callstack()]);
$shared_item = Post::selectFirst(['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'], ['id' => $id]);
if (!DBA::isResult($shared_item)) {
Logger::warning('Post does not exist.', ['id' => $id, 'url' => $url, 'uid' => $uid]);
return '';
}
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return $this->createSharedBlockByArray($shared_item, $add_media);
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}
/**
* Add a share block for the given uri-id
*
* @param integer $UriId
* @param integer $uid
* @param bool $add_media
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* @return string
*/
public function createSharedPostByUriId(int $UriId, int $uid = 0, bool $add_media = false): string
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{
$fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'];
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$shared_item = Post::selectFirst($fields, ['uri-id' => $UriId, 'uid' => [$uid, 0], 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
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if (!DBA::isResult($shared_item)) {
Logger::notice('Post does not exist.', ['uri-id' => $UriId, 'uid' => $uid]);
return '';
}
return $this->createSharedBlockByArray($shared_item, $add_media);
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}
/**
* Add a share block for the given guid
*
* @param string $guid
* @param integer $uid
* @param bool $add_media
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* @return string
*/
public function createSharedPostByGuid(string $guid, int $uid = 0, string $host = '', bool $add_media = false): string
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{
$fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'];
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$shared_item = Post::selectFirst($fields, ['guid' => $guid, 'uid' => [$uid, 0], 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
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if (!DBA::isResult($shared_item) && !empty($host) && Diaspora::storeByGuid($guid, $host, true)) {
Logger::debug('Fetched post', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
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$shared_item = Post::selectFirst($fields, ['guid' => $guid, 'uid' => [$uid, 0], 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
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} elseif (DBA::isResult($shared_item)) {
Logger::debug('Found existing post', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
}
if (!DBA::isResult($shared_item)) {
Logger::notice('Post does not exist.', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
return '';
}
return $this->createSharedBlockByArray($shared_item, $add_media);
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}
/**
* Add a share block for the given item array
*
* @param array $item
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* @param bool $add_media
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* @return string
*/
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public function createSharedBlockByArray(array $item, bool $add_media = false): string
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{
if ($item['network'] == Protocol::FEED) {
return PageInfo::getFooterFromUrl($item['plink']);
} elseif (!in_array($item['network'] ?? '', Protocol::FEDERATED)) {
$item['guid'] = '';
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$item['uri'] = '';
$item['body'] = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
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} elseif ($add_media) {
$item['body'] = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
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}
$shared_content = BBCode::getShareOpeningTag($item['author-name'], $item['author-link'], $item['author-avatar'], $item['plink'], $item['created'], $item['guid'], $item['uri']);
if (!empty($item['title'])) {
$shared_content .= '[h3]' . $item['title'] . "[/h3]\n";
}
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$shared = BBCode::fetchShareAttributes($item['body']);
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// If it is a reshared post then reformat it to avoid display problems with two share elements
if (Diaspora::isReshare($item['body'], false)) {
if (!empty($shared['guid']) && ($encaspulated_share = self::createSharedPostByGuid($shared['guid'], 0, '', $add_media))) {
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$item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $encaspulated_share, $item['body']);
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}
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$item['body'] = HTML::toBBCode(BBCode::convertForUriId($item['uri-id'], $item['body'], BBCode::ACTIVITYPUB));
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}
$shared_content .= $item['body'] . '[/share]';
return $shared_content;
}
}