friendica/mod/item.php

1092 lines
35 KiB
PHP

<?php
/**
* @file mod/item.php
*/
/*
* This is the POST destination for most all locally posted
* text stuff. This function handles status, wall-to-wall status,
* local comments, and remote coments that are posted on this site
* (as opposed to being delivered in a feed).
* Also processed here are posts and comments coming through the
* statusnet/twitter API.
*
* All of these become an "item" which is our basic unit of
* information.
*/
use Friendica\App;
use Friendica\Content\Pager;
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
use Friendica\Core\Config;
use Friendica\Core\Hook;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Session;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Attach;
use Friendica\Model\Contact;
use Friendica\Model\Conversation;
use Friendica\Model\FileTag;
use Friendica\Model\Item;
use Friendica\Model\Photo;
use Friendica\Model\Term;
use Friendica\Protocol\Activity;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\Email;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Emailer;
use Friendica\Util\Security;
use Friendica\Util\Strings;
use Friendica\Worker\Delivery;
require_once __DIR__ . '/../include/items.php';
function item_post(App $a) {
if (!Session::isAuthenticated()) {
return 0;
}
$uid = local_user();
if (!empty($_REQUEST['dropitems'])) {
$arr_drop = explode(',', $_REQUEST['dropitems']);
drop_items($arr_drop);
$json = ['success' => 1];
echo json_encode($json);
exit();
}
Hook::callAll('post_local_start', $_REQUEST);
Logger::log('postvars ' . print_r($_REQUEST, true), Logger::DATA);
$api_source = $_REQUEST['api_source'] ?? false;
$message_id = ((!empty($_REQUEST['message_id']) && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
$return_path = $_REQUEST['return'] ?? '';
$preview = intval($_REQUEST['preview'] ?? 0);
/*
* Check for doubly-submitted posts, and reject duplicates
* Note that we have to ignore previews, otherwise nothing will post
* after it's been previewed
*/
if (!$preview && !empty($_REQUEST['post_id_random'])) {
if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
Logger::log("item post: duplicate post", Logger::DEBUG);
item_post_return(System::baseUrl(), $api_source, $return_path);
} else {
$_SESSION['post-random'] = $_REQUEST['post_id_random'];
}
}
// Is this a reply to something?
$toplevel_item_id = intval($_REQUEST['parent'] ?? 0);
$thr_parent_uri = trim($_REQUEST['parent_uri'] ?? '');
$thread_parent_id = 0;
$thread_parent_contact = null;
$toplevel_item = null;
$parent_user = null;
$parent_contact = null;
$objecttype = null;
$profile_uid = ($_REQUEST['profile_uid'] ?? 0) ?: local_user();
$posttype = ($_REQUEST['post_type'] ?? '') ?: Item::PT_ARTICLE;
if ($toplevel_item_id || $thr_parent_uri) {
if ($toplevel_item_id) {
$toplevel_item = Item::selectFirst([], ['id' => $toplevel_item_id]);
} elseif ($thr_parent_uri) {
$toplevel_item = Item::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
}
// if this isn't the top-level parent of the conversation, find it
if (DBA::isResult($toplevel_item)) {
// The URI and the contact is taken from the direct parent which needn't to be the top parent
$thread_parent_id = $toplevel_item['id'];
$thr_parent_uri = $toplevel_item['uri'];
$thread_parent_contact = Contact::getDetailsByURL($toplevel_item["author-link"]);
if ($toplevel_item['id'] != $toplevel_item['parent']) {
$toplevel_item = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $toplevel_item['parent']]);
}
}
if (!DBA::isResult($toplevel_item)) {
notice(L10n::t('Unable to locate original post.') . EOL);
if (!empty($_REQUEST['return'])) {
DI::baseUrl()->redirect($return_path);
}
exit();
}
$toplevel_item_id = $toplevel_item['id'];
$parent_user = $toplevel_item['uid'];
$objecttype = Activity\ObjectType::COMMENT;
}
if ($toplevel_item_id) {
Logger::info('mod_item: item_post parent=' . $toplevel_item_id);
}
$post_id = intval($_REQUEST['post_id'] ?? 0);
$app = strip_tags($_REQUEST['source'] ?? '');
$extid = strip_tags($_REQUEST['extid'] ?? '');
$object = $_REQUEST['object'] ?? '';
// Don't use "defaults" here. It would turn 0 to 1
if (!isset($_REQUEST['wall'])) {
$wall = 1;
} else {
$wall = $_REQUEST['wall'];
}
// Ensure that the user id in a thread always stay the same
if (!is_null($parent_user) && in_array($parent_user, [local_user(), 0])) {
$profile_uid = $parent_user;
}
// Check for multiple posts with the same message id (when the post was created via API)
if (($message_id != '') && ($profile_uid != 0)) {
if (Item::exists(['uri' => $message_id, 'uid' => $profile_uid])) {
Logger::log("Message with URI ".$message_id." already exists for user ".$profile_uid, Logger::DEBUG);
return 0;
}
}
// Allow commenting if it is an answer to a public post
$allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
// Now check that valid personal details have been provided
if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
notice(L10n::t('Permission denied.') . EOL);
if (!empty($_REQUEST['return'])) {
DI::baseUrl()->redirect($return_path);
}
exit();
}
// Init post instance
$orig_post = null;
// is this an edited post?
if ($post_id > 0) {
$orig_post = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
}
$user = DBA::selectFirst('user', [], ['uid' => $profile_uid]);
if (!DBA::isResult($user) && !$toplevel_item_id) {
return 0;
}
$categories = '';
$postopts = '';
$emailcc = '';
$body = $_REQUEST['body'] ?? '';
$has_attachment = $_REQUEST['has_attachment'] ?? 0;
// If we have a speparate attachment, we need to add it to the body.
if (!empty($has_attachment)) {
$attachment_type = $_REQUEST['attachment_type'] ?? '';
$attachment_title = $_REQUEST['attachment_title'] ?? '';
$attachment_text = $_REQUEST['attachment_text'] ?? '';
$attachment_url = hex2bin($_REQUEST['attachment_url'] ?? '');
$attachment_img_src = hex2bin($_REQUEST['attachment_img_src'] ?? '');
$attachment_img_width = $_REQUEST['attachment_img_width'] ?? 0;
$attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
$attachment = [
'type' => $attachment_type,
'title' => $attachment_title,
'text' => $attachment_text,
'url' => $attachment_url,
];
if (!empty($attachment_img_src)) {
$attachment['images'] = [
0 => [
'src' => $attachment_img_src,
'width' => $attachment_img_width,
'height' => $attachment_img_height
]
];
}
$att_bbcode = add_page_info_data($attachment);
$body .= $att_bbcode;
}
// Convert links with empty descriptions to links without an explicit description
$body = preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $body);
if (!empty($orig_post)) {
$str_group_allow = $orig_post['allow_gid'];
$str_contact_allow = $orig_post['allow_cid'];
$str_group_deny = $orig_post['deny_gid'];
$str_contact_deny = $orig_post['deny_cid'];
$location = $orig_post['location'];
$coord = $orig_post['coord'];
$verb = $orig_post['verb'];
$objecttype = $orig_post['object-type'];
$app = $orig_post['app'];
$categories = $orig_post['file'];
$title = Strings::escapeTags(trim($_REQUEST['title']));
$body = Strings::escapeHtml(trim($body));
$private = $orig_post['private'];
$pubmail_enabled = $orig_post['pubmail'];
$network = $orig_post['network'];
$guid = $orig_post['guid'];
$extid = $orig_post['extid'];
} else {
/*
* if coming from the API and no privacy settings are set,
* use the user default permissions - as they won't have
* been supplied via a form.
*/
if ($api_source
&& !array_key_exists('contact_allow', $_REQUEST)
&& !array_key_exists('group_allow', $_REQUEST)
&& !array_key_exists('contact_deny', $_REQUEST)
&& !array_key_exists('group_deny', $_REQUEST)) {
$str_group_allow = $user['allow_gid'];
$str_contact_allow = $user['allow_cid'];
$str_group_deny = $user['deny_gid'];
$str_contact_deny = $user['deny_cid'];
} else {
// use the posted permissions
$aclFormatter = DI::aclFormatter();
$str_group_allow = $aclFormatter->toString($_REQUEST['group_allow'] ?? '');
$str_contact_allow = $aclFormatter->toString($_REQUEST['contact_allow'] ?? '');
$str_group_deny = $aclFormatter->toString($_REQUEST['group_deny'] ?? '');
$str_contact_deny = $aclFormatter->toString($_REQUEST['contact_deny'] ?? '');
}
$title = Strings::escapeTags(trim($_REQUEST['title'] ?? ''));
$location = Strings::escapeTags(trim($_REQUEST['location'] ?? ''));
$coord = Strings::escapeTags(trim($_REQUEST['coord'] ?? ''));
$verb = Strings::escapeTags(trim($_REQUEST['verb'] ?? ''));
$emailcc = Strings::escapeTags(trim($_REQUEST['emailcc'] ?? ''));
$body = Strings::escapeHtml(trim($body));
$network = Strings::escapeTags(trim(($_REQUEST['network'] ?? '') ?: Protocol::DFRN));
$guid = System::createUUID();
$postopts = $_REQUEST['postopts'] ?? '';
$private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
// If this is a comment, set the permissions from the parent.
if ($toplevel_item) {
// for non native networks use the network of the original post as network of the item
if (($toplevel_item['network'] != Protocol::DIASPORA)
&& ($toplevel_item['network'] != Protocol::OSTATUS)
&& ($network == "")) {
$network = $toplevel_item['network'];
}
$str_contact_allow = $toplevel_item['allow_cid'];
$str_group_allow = $toplevel_item['allow_gid'];
$str_contact_deny = $toplevel_item['deny_cid'];
$str_group_deny = $toplevel_item['deny_gid'];
$private = $toplevel_item['private'];
$wall = $toplevel_item['wall'];
}
$pubmail_enabled = ($_REQUEST['pubmail_enable'] ?? false) && !$private;
// if using the API, we won't see pubmail_enable - figure out if it should be set
if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
if (function_exists('imap_open') && !Config::get('system', 'imap_disabled')) {
$pubmail_enabled = DBA::exists('mailacct', ["`uid` = ? AND `server` != ? AND `pubmail`", local_user(), '']);
}
}
if (!strlen($body)) {
if ($preview) {
exit();
}
info(L10n::t('Empty post discarded.') . EOL);
if (!empty($_REQUEST['return'])) {
DI::baseUrl()->redirect($return_path);
}
exit();
}
}
if (!empty($categories)) {
// get the "fileas" tags for this post
$filedas = FileTag::fileToArray($categories);
}
// save old and new categories, so we can determine what needs to be deleted from pconfig
$categories_old = $categories;
$categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
$categories_new = $categories;
if (!empty($filedas) && is_array($filedas)) {
// append the fileas stuff to the new categories list
$categories .= FileTag::arrayToFile($filedas);
}
// get contact info for poster
$author = null;
$self = false;
$contact_id = 0;
if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
$self = true;
$author = DBA::selectFirst('contact', [], ['uid' => local_user(), 'self' => true]);
} elseif (!empty(Session::getRemoteContactID($profile_uid))) {
$author = DBA::selectFirst('contact', [], ['id' => Session::getRemoteContactID($profile_uid)]);
}
if (DBA::isResult($author)) {
$contact_id = $author['id'];
}
// get contact info for owner
if ($profile_uid == local_user() || $allow_comment) {
$contact_record = $author;
} else {
$contact_record = DBA::selectFirst('contact', [], ['uid' => $profile_uid, 'self' => true]);
}
// Look for any tags and linkify them
$str_tags = '';
$inform = '';
$tags = BBCode::getTags($body);
if ($thread_parent_id && !\Friendica\Content\Feature::isEnabled($uid, 'explicit_mentions')) {
$tags = item_add_implicit_mentions($tags, $thread_parent_contact, $thread_parent_id);
}
$tagged = [];
$private_forum = false;
$only_to_forum = false;
$forum_contact = [];
if (count($tags)) {
foreach ($tags as $tag) {
$tag_type = substr($tag, 0, 1);
if ($tag_type == Term::TAG_CHARACTER[Term::HASHTAG]) {
continue;
}
/*
* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
* Robert Johnson should be first in the $tags array
*/
$fullnametagged = false;
/// @TODO $tagged is initialized above if () block and is not filled, maybe old-lost code?
foreach ($tagged as $nextTag) {
if (stristr($nextTag, $tag . ' ')) {
$fullnametagged = true;
break;
}
}
if ($fullnametagged) {
continue;
}
$success = handle_tag($body, $inform, $str_tags, local_user() ? local_user() : $profile_uid, $tag, $network);
if ($success['replaced']) {
$tagged[] = $tag;
}
// When the forum is private or the forum is addressed with a "!" make the post private
if (is_array($success['contact']) && (!empty($success['contact']['prv']) || ($tag_type == Term::TAG_CHARACTER[Term::EXCLUSIVE_MENTION]))) {
$private_forum = $success['contact']['prv'];
$only_to_forum = ($tag_type == Term::TAG_CHARACTER[Term::EXCLUSIVE_MENTION]);
$private_id = $success['contact']['id'];
$forum_contact = $success['contact'];
} elseif (is_array($success['contact']) && !empty($success['contact']['forum']) &&
($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
$private_forum = false;
$only_to_forum = true;
$private_id = $success['contact']['id'];
$forum_contact = $success['contact'];
}
}
}
$original_contact_id = $contact_id;
if (!$toplevel_item_id && count($forum_contact) && ($private_forum || $only_to_forum)) {
// we tagged a forum in a top level post. Now we change the post
$private = $private_forum;
$str_group_allow = '';
$str_contact_deny = '';
$str_group_deny = '';
if ($private_forum) {
$str_contact_allow = '<' . $private_id . '>';
} else {
$str_contact_allow = '';
}
$contact_id = $private_id;
$contact_record = $forum_contact;
$_REQUEST['origin'] = false;
$wall = 0;
}
/*
* When a photo was uploaded into the message using the (profile wall) ajax
* uploader, The permissions are initially set to disallow anybody but the
* owner from seeing it. This is because the permissions may not yet have been
* set for the post. If it's private, the photo permissions should be set
* appropriately. But we didn't know the final permissions on the post until
* now. So now we'll look for links of uploaded messages that are in the
* post and set them to the same permissions as the post itself.
*/
$match = null;
if (!$preview && Photo::setPermissionFromBody($body, $profile_uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)) {
$objecttype = Activity\ObjectType::IMAGE;
}
/*
* Next link in any attachment references we find in the post.
*/
$match = false;
/// @todo these lines should be moved to Model/Attach (Once it exists)
if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
$attaches = $match[1];
if (count($attaches)) {
foreach ($attaches as $attach) {
// Ensure to only modify attachments that you own
$srch = '<' . intval($original_contact_id) . '>';
$condition = ['allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
'id' => $attach];
if (!Attach::exists($condition)) {
continue;
}
$fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
$condition = ['id' => $attach];
Attach::update($fields, $condition);
}
}
}
// embedded bookmark or attachment in post? set bookmark flag
$data = BBCode::getAttachmentData($body);
if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
&& ($posttype != Item::PT_PERSONAL_NOTE)) {
$posttype = Item::PT_PAGE;
$objecttype = Activity\ObjectType::BOOKMARK;
}
$body = DI::bbCodeVideo()->transform($body);
// Fold multi-line [code] sequences
$body = preg_replace('/\[\/code\]\s*\[code\]/ism', "\n", $body);
$body = BBCode::scaleExternalImages($body, false);
// Setting the object type if not defined before
if (!$objecttype) {
$objecttype = Activity\ObjectType::NOTE; // Default value
$objectdata = BBCode::getAttachedData($body);
if ($objectdata["type"] == "link") {
$objecttype = Activity\ObjectType::BOOKMARK;
} elseif ($objectdata["type"] == "video") {
$objecttype = Activity\ObjectType::VIDEO;
} elseif ($objectdata["type"] == "photo") {
$objecttype = Activity\ObjectType::IMAGE;
}
}
$attachments = '';
$match = false;
if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
foreach ($match[2] as $mtch) {
$fields = ['id', 'filename', 'filesize', 'filetype'];
$attachment = Attach::selectFirst($fields, ['id' => $mtch]);
if ($attachment !== false) {
if (strlen($attachments)) {
$attachments .= ',';
}
$attachments .= '[attach]href="' . System::baseUrl() . '/attach/' . $attachment['id'] .
'" length="' . $attachment['filesize'] . '" type="' . $attachment['filetype'] .
'" title="' . ($attachment['filename'] ? $attachment['filename'] : '') . '"[/attach]';
}
$body = str_replace($match[1],'',$body);
}
}
if (!strlen($verb)) {
$verb = Activity::POST;
}
if ($network == "") {
$network = Protocol::DFRN;
}
$gravity = ($toplevel_item_id ? GRAVITY_COMMENT : GRAVITY_PARENT);
// even if the post arrived via API we are considering that it
// originated on this site by default for determining relayability.
// Don't use "defaults" here. It would turn 0 to 1
if (!isset($_REQUEST['origin'])) {
$origin = 1;
} else {
$origin = $_REQUEST['origin'];
}
$uri = ($message_id ? $message_id : Item::newURI($api_source ? $profile_uid : $uid, $guid));
// Fallback so that we alway have a parent uri
if (!$thr_parent_uri || !$toplevel_item_id) {
$thr_parent_uri = $uri;
}
$datarray = [];
$datarray['uid'] = $profile_uid;
$datarray['wall'] = $wall;
$datarray['gravity'] = $gravity;
$datarray['network'] = $network;
$datarray['contact-id'] = $contact_id;
$datarray['owner-name'] = $contact_record['name'];
$datarray['owner-link'] = $contact_record['url'];
$datarray['owner-avatar'] = $contact_record['thumb'];
$datarray['owner-id'] = Contact::getIdForURL($datarray['owner-link']);
$datarray['author-name'] = $author['name'];
$datarray['author-link'] = $author['url'];
$datarray['author-avatar'] = $author['thumb'];
$datarray['author-id'] = Contact::getIdForURL($datarray['author-link']);
$datarray['created'] = DateTimeFormat::utcNow();
$datarray['edited'] = DateTimeFormat::utcNow();
$datarray['commented'] = DateTimeFormat::utcNow();
$datarray['received'] = DateTimeFormat::utcNow();
$datarray['changed'] = DateTimeFormat::utcNow();
$datarray['extid'] = $extid;
$datarray['guid'] = $guid;
$datarray['uri'] = $uri;
$datarray['title'] = $title;
$datarray['body'] = $body;
$datarray['app'] = $app;
$datarray['location'] = $location;
$datarray['coord'] = $coord;
$datarray['tag'] = $str_tags;
$datarray['file'] = $categories;
$datarray['inform'] = $inform;
$datarray['verb'] = $verb;
$datarray['post-type'] = $posttype;
$datarray['object-type'] = $objecttype;
$datarray['allow_cid'] = $str_contact_allow;
$datarray['allow_gid'] = $str_group_allow;
$datarray['deny_cid'] = $str_contact_deny;
$datarray['deny_gid'] = $str_group_deny;
$datarray['private'] = $private;
$datarray['pubmail'] = $pubmail_enabled;
$datarray['attach'] = $attachments;
// This is not a bug. The item store function changes 'parent-uri' to 'thr-parent' and fetches 'parent-uri' new. (We should change this)
$datarray['parent-uri'] = $thr_parent_uri;
$datarray['postopts'] = $postopts;
$datarray['origin'] = $origin;
$datarray['moderated'] = false;
$datarray['object'] = $object;
/*
* These fields are for the convenience of addons...
* 'self' if true indicates the owner is posting on their own wall
* If parent is 0 it is a top-level post.
*/
$datarray['parent'] = $toplevel_item_id;
$datarray['self'] = $self;
// This triggers posts via API and the mirror functions
$datarray['api_source'] = $api_source;
// This field is for storing the raw conversation data
$datarray['protocol'] = Conversation::PARCEL_DFRN;
$conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $datarray['parent-uri']]);
if (DBA::isResult($conversation)) {
if ($conversation['conversation-uri'] != '') {
$datarray['conversation-uri'] = $conversation['conversation-uri'];
}
if ($conversation['conversation-href'] != '') {
$datarray['conversation-href'] = $conversation['conversation-href'];
}
}
if ($orig_post) {
$datarray['edit'] = true;
} else {
// If this was a share, add missing data here
$datarray = Item::addShareDataFromOriginal($datarray);
$datarray['edit'] = false;
}
// Check for hashtags in the body and repair or add hashtag links
if ($preview || $orig_post) {
Item::setHashtags($datarray);
}
// preview mode - prepare the body for display and send it via json
if ($preview) {
// We set the datarray ID to -1 because in preview mode the dataray
// doesn't have an ID.
$datarray["id"] = -1;
$datarray["item_id"] = -1;
$datarray["author-network"] = Protocol::DFRN;
$o = conversation($a, [array_merge($contact_record, $datarray)], new Pager($a->query_string), 'search', false, true);
Logger::log('preview: ' . $o);
echo json_encode(['preview' => $o]);
exit();
}
Hook::callAll('post_local',$datarray);
if (!empty($datarray['cancel'])) {
Logger::log('mod_item: post cancelled by addon.');
if ($return_path) {
DI::baseUrl()->redirect($return_path);
}
$json = ['cancel' => 1];
if (!empty($_REQUEST['jsreload'])) {
$json['reload'] = System::baseUrl() . '/' . $_REQUEST['jsreload'];
}
echo json_encode($json);
exit();
}
if ($orig_post) {
// Fill the cache field
// This could be done in Item::update as well - but we have to check for the existance of some fields.
Item::putInCache($datarray);
$fields = [
'title' => $datarray['title'],
'body' => $datarray['body'],
'tag' => $datarray['tag'],
'attach' => $datarray['attach'],
'file' => $datarray['file'],
'rendered-html' => $datarray['rendered-html'],
'rendered-hash' => $datarray['rendered-hash'],
'edited' => DateTimeFormat::utcNow(),
'changed' => DateTimeFormat::utcNow()];
Item::update($fields, ['id' => $post_id]);
// update filetags in pconfig
FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
if (!empty($_REQUEST['return']) && strlen($return_path)) {
Logger::log('return: ' . $return_path);
DI::baseUrl()->redirect($return_path);
}
exit();
}
unset($datarray['edit']);
unset($datarray['self']);
unset($datarray['api_source']);
if ($origin) {
$signed = Diaspora::createCommentSignature($uid, $datarray);
if (!empty($signed)) {
$datarray['diaspora_signed_text'] = json_encode($signed);
}
}
$post_id = Item::insert($datarray);
if (!$post_id) {
Logger::log("Item wasn't stored.");
DI::baseUrl()->redirect($return_path);
}
$datarray = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
if (!DBA::isResult($datarray)) {
Logger::log("Item with id ".$post_id." couldn't be fetched.");
DI::baseUrl()->redirect($return_path);
}
// update filetags in pconfig
FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
// These notifications are sent if someone else is commenting other your wall
if ($toplevel_item_id) {
if ($contact_record != $author) {
notification([
'type' => NOTIFY_COMMENT,
'notify_flags' => $user['notify-flags'],
'language' => $user['language'],
'to_name' => $user['username'],
'to_email' => $user['email'],
'uid' => $user['uid'],
'item' => $datarray,
'link' => System::baseUrl().'/display/'.urlencode($datarray['guid']),
'source_name' => $datarray['author-name'],
'source_link' => $datarray['author-link'],
'source_photo' => $datarray['author-avatar'],
'verb' => Activity::POST,
'otype' => 'item',
'parent' => $toplevel_item_id,
'parent_uri' => $toplevel_item['uri']
]);
}
} else {
if (($contact_record != $author) && !count($forum_contact)) {
notification([
'type' => NOTIFY_WALL,
'notify_flags' => $user['notify-flags'],
'language' => $user['language'],
'to_name' => $user['username'],
'to_email' => $user['email'],
'uid' => $user['uid'],
'item' => $datarray,
'link' => System::baseUrl().'/display/'.urlencode($datarray['guid']),
'source_name' => $datarray['author-name'],
'source_link' => $datarray['author-link'],
'source_photo' => $datarray['author-avatar'],
'verb' => Activity::POST,
'otype' => 'item'
]);
}
}
Hook::callAll('post_local_end', $datarray);
if (strlen($emailcc) && $profile_uid == local_user()) {
$erecips = explode(',', $emailcc);
if (count($erecips)) {
foreach ($erecips as $recip) {
$addr = trim($recip);
if (!strlen($addr)) {
continue;
}
$disclaimer = '<hr />' . L10n::t('This message was sent to you by %s, a member of the Friendica social network.', $a->user['username'])
. '<br />';
$disclaimer .= L10n::t('You may visit them online at %s', System::baseUrl() . '/profile/' . $a->user['nickname']) . EOL;
$disclaimer .= L10n::t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
if (!$datarray['title']=='') {
$subject = Email::encodeHeader($datarray['title'], 'UTF-8');
} else {
$subject = Email::encodeHeader('[Friendica]' . ' ' . L10n::t('%s posted an update.', $a->user['username']), 'UTF-8');
}
$link = '<a href="' . System::baseUrl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
$html = Item::prepareBody($datarray);
$message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
$params = [
'fromName' => $a->user['username'],
'fromEmail' => $a->user['email'],
'toEmail' => $addr,
'replyTo' => $a->user['email'],
'messageSubject' => $subject,
'htmlVersion' => $message,
'textVersion' => HTML::toPlaintext($html.$disclaimer)
];
Emailer::send($params);
}
}
}
// Insert an item entry for UID=0 for global entries.
// We now do it in the background to save some time.
// This is important in interactive environments like the frontend or the API.
// We don't fork a new process since this is done anyway with the following command
Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "CreateShadowEntry", $post_id);
// When we are doing some forum posting via ! we have to start the notifier manually.
// These kind of posts don't initiate the notifier call in the item class.
if ($only_to_forum) {
Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
}
Logger::log('post_complete');
if ($api_source) {
return $post_id;
}
item_post_return(System::baseUrl(), $api_source, $return_path);
// NOTREACHED
}
function item_post_return($baseurl, $api_source, $return_path)
{
// figure out how to return, depending on from whence we came
$a = \get_app();
if ($api_source) {
return;
}
if ($return_path) {
DI::baseUrl()->redirect($return_path);
}
$json = ['success' => 1];
if (!empty($_REQUEST['jsreload'])) {
$json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
}
Logger::log('post_json: ' . print_r($json, true), Logger::DEBUG);
echo json_encode($json);
exit();
}
function item_content(App $a)
{
if (!Session::isAuthenticated()) {
return;
}
$o = '';
if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
if (DI::mode()->isAjax()) {
$o = Item::deleteForUser(['id' => $a->argv[2]], local_user());
} else {
if (!empty($a->argv[3])) {
$o = drop_item($a->argv[2], $a->argv[3]);
}
else {
$o = drop_item($a->argv[2]);
}
}
if (DI::mode()->isAjax()) {
// ajax return: [<item id>, 0 (no perm) | <owner id>]
echo json_encode([intval($a->argv[2]), intval($o)]);
exit();
}
}
return $o;
}
/**
* This function removes the tag $tag from the text $body and replaces it with
* the appropriate link.
*
* @param App $a
* @param string $body the text to replace the tag in
* @param string $inform a comma-seperated string containing everybody to inform
* @param string $str_tags string to add the tag to
* @param integer $profile_uid
* @param string $tag the tag to replace
* @param string $network The network of the post
*
* @return array|bool ['replaced' => $replaced, 'contact' => $contact];
* @throws ImagickException
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
function handle_tag(&$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "")
{
$replaced = false;
$r = null;
//is it a person tag?
if (Term::isType($tag, Term::MENTION, Term::IMPLICIT_MENTION, Term::EXCLUSIVE_MENTION)) {
$tag_type = substr($tag, 0, 1);
//is it already replaced?
if (strpos($tag, '[url=')) {
//append tag to str_tags
if (!stristr($str_tags, $tag)) {
if (strlen($str_tags)) {
$str_tags .= ',';
}
$str_tags .= $tag;
}
// Checking for the alias that is used for OStatus
$pattern = "/[@!]\[url\=(.*?)\](.*?)\[\/url\]/ism";
if (preg_match($pattern, $tag, $matches)) {
$data = Contact::getDetailsByURL($matches[1]);
if ($data["alias"] != "") {
$newtag = '@[url=' . $data["alias"] . ']' . $data["nick"] . '[/url]';
if (!stripos($str_tags, '[url=' . $data["alias"] . ']')) {
if (strlen($str_tags)) {
$str_tags .= ',';
}
$str_tags .= $newtag;
}
}
}
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://')) {
// At first we have to ensure that the contact exists
Contact::getIdForURL($name);
// Now we should have something
$contact = Contact::getDetailsByURL($name);
} elseif (strpos($name, '@')) {
// This function automatically probes when no entry was found
$contact = Contact::getDetailsByAddr($name);
} 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' => $profile_uid]);
}
// select someone by nick or attag in the current network
if (!DBA::isResult($contact) && ($network != "")) {
$condition = ["(`nick` = ? OR `attag` = ?) AND `network` = ? AND `uid` = ?",
$name, $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, $condition);
}
// select someone by nick or attag in any network
if (!DBA::isResult($contact)) {
$condition = ["(`nick` = ? OR `attag` = ?) AND `uid` = ?", $name, $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)) {
if (strlen($inform) && (isset($contact["notify"]) || isset($contact["id"]))) {
$inform .= ',';
}
if (isset($contact["id"])) {
$inform .= 'cid:' . $contact["id"];
} elseif (isset($contact["notify"])) {
$inform .= $contact["notify"];
}
$profile = $contact["url"];
$alias = $contact["alias"];
$newname = ($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, $body);
// append tag to str_tags
if (!stristr($str_tags, $newtag)) {
if (strlen($str_tags)) {
$str_tags .= ',';
}
$str_tags .= $newtag;
}
/*
* Status.Net seems to require the numeric ID URL in a mention if the person isn't
* subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
*/
if (!empty($alias)) {
$newtag = '@[url=' . $alias . ']' . $newname . '[/url]';
if (!stripos($str_tags, '[url=' . $alias . ']')) {
if (strlen($str_tags)) {
$str_tags .= ',';
}
$str_tags .= $newtag;
}
}
}
}
return ['replaced' => $replaced, 'contact' => $contact];
}
function item_add_implicit_mentions(array $tags, array $thread_parent_contact, $thread_parent_id)
{
if (Config::get('system', 'disable_implicit_mentions')) {
// Add a tag if the parent contact is from ActivityPub or OStatus (This will notify them)
if (in_array($thread_parent_contact['network'], [Protocol::OSTATUS, Protocol::ACTIVITYPUB])) {
$contact = Term::TAG_CHARACTER[Term::MENTION] . '[url=' . $thread_parent_contact['url'] . ']' . $thread_parent_contact['nick'] . '[/url]';
if (!stripos(implode($tags), '[url=' . $thread_parent_contact['url'] . ']')) {
$tags[] = $contact;
}
}
} else {
$implicit_mentions = [
$thread_parent_contact['url'] => $thread_parent_contact['nick']
];
$parent_terms = Term::tagArrayFromItemId($thread_parent_id, [Term::MENTION, Term::IMPLICIT_MENTION]);
foreach ($parent_terms as $parent_term) {
$implicit_mentions[$parent_term['url']] = $parent_term['term'];
}
foreach ($implicit_mentions as $url => $label) {
if ($url != \Friendica\Model\Profile::getMyURL() && !stripos(implode($tags), '[url=' . $url . ']')) {
$tags[] = Term::TAG_CHARACTER[Term::IMPLICIT_MENTION] . '[url=' . $url . ']' . $label . '[/url]';
}
}
}
return $tags;
}