mod/item.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  * This is the POST destination for most all locally posted
  21  * text stuff. This function handles status, wall-to-wall status,
  22  * local comments, and remote coments that are posted on this site
  23  * (as opposed to being delivered in a feed).
  24  * Also processed here are posts and comments coming through the
  25  * statusnet/twitter API.
  26  *
  27  * All of these become an "item" which is our basic unit of
  28  * information.
  29  */
  30
  31 use Friendica\App;
  32 use Friendica\Content\Text\BBCode;
  33 use Friendica\Core\Hook;
  34 use Friendica\Core\Logger;
  35 use Friendica\Core\Protocol;
  36 use Friendica\Core\Session;
  37 use Friendica\Core\System;
  38 use Friendica\Core\Worker;
  39 use Friendica\Database\DBA;
  40 use Friendica\DI;
  41 use Friendica\Model\Attach;
  42 use Friendica\Model\Contact;
  43 use Friendica\Model\Conversation;
  44 use Friendica\Model\FileTag;
  45 use Friendica\Model\Item;
  46 use Friendica\Model\Notify\Type;
  47 use Friendica\Model\Photo;
  48 use Friendica\Model\Tag;
  49 use Friendica\Network\HTTPException;
  50 use Friendica\Object\EMail\ItemCCEMail;
  51 use Friendica\Protocol\Activity;
  52 use Friendica\Protocol\Diaspora;
  53 use Friendica\Util\DateTimeFormat;
  54 use Friendica\Util\Security;
  55 use Friendica\Util\Strings;
  56 use Friendica\Worker\Delivery;
  57
  58 require_once __DIR__ . '/../include/items.php';
  59
  60 function item_post(App $a) {
  61         if (!Session::isAuthenticated()) {
  62                 throw new HTTPException\ForbiddenException();
  63         }
  64
  65         $uid = local_user();
  66
  67         if (!empty($_REQUEST['dropitems'])) {
  68                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  69                 drop_items($arr_drop);
  70                 $json = ['success' => 1];
  71                 System::jsonExit($json);
  72         }
  73
  74         Hook::callAll('post_local_start', $_REQUEST);
  75
  76         Logger::debug('postvars', ['_REQUEST' => $_REQUEST]);
  77
  78         $api_source = $_REQUEST['api_source'] ?? false;
  79
  80         $message_id = ((!empty($_REQUEST['message_id']) && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  81
  82         $return_path = $_REQUEST['return'] ?? '';
  83         $preview = intval($_REQUEST['preview'] ?? 0);
  84
  85         /*
  86          * Check for doubly-submitted posts, and reject duplicates
  87          * Note that we have to ignore previews, otherwise nothing will post
  88          * after it's been previewed
  89          */
  90         if (!$preview && !empty($_REQUEST['post_id_random'])) {
  91                 if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  92                         Logger::info('item post: duplicate post');
  93                         item_post_return(DI::baseUrl(), $api_source, $return_path);
  94                 } else {
  95                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  96                 }
  97         }
  98
  99         // Is this a reply to something?
 100         $toplevel_item_id = intval($_REQUEST['parent'] ?? 0);
 101         $thr_parent_uri = trim($_REQUEST['parent_uri'] ?? '');
 102
 103         $toplevel_item = null;
 104         $parent_user = null;
 105
 106         $objecttype = null;
 107         $profile_uid = ($_REQUEST['profile_uid'] ?? 0) ?: local_user();
 108         $posttype = ($_REQUEST['post_type'] ?? '') ?: Item::PT_ARTICLE;
 109
 110         if ($toplevel_item_id || $thr_parent_uri) {
 111                 if ($toplevel_item_id) {
 112                         $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item_id]);
 113                 } elseif ($thr_parent_uri) {
 114                         $toplevel_item = Item::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
 115                 }
 116
 117                 // if this isn't the top-level parent of the conversation, find it
 118                 if (DBA::isResult($toplevel_item)) {
 119                         // The URI and the contact is taken from the direct parent which needn't to be the top parent
 120                         $thr_parent_uri = $toplevel_item['uri'];
 121
 122                         if ($toplevel_item['gravity'] != GRAVITY_PARENT) {
 123                                 $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item['parent']]);
 124                         }
 125                 }
 126
 127                 if (!DBA::isResult($toplevel_item)) {
 128                         notice(DI::l10n()->t('Unable to locate original post.'));
 129                         if ($return_path) {
 130                                 DI::baseUrl()->redirect($return_path);
 131                         }
 132                         throw new HTTPException\NotFoundException(DI::l10n()->t('Unable to locate original post.'));
 133                 }
 134
 135                 $toplevel_item_id = $toplevel_item['id'];
 136                 $parent_user = $toplevel_item['uid'];
 137
 138                 $objecttype = Activity\ObjectType::COMMENT;
 139         }
 140
 141         if ($toplevel_item_id) {
 142                 Logger::info('mod_item: item_post', ['parent' => $toplevel_item_id]);
 143         }
 144
 145         $post_id     = intval($_REQUEST['post_id'] ?? 0);
 146         $app         = strip_tags($_REQUEST['source'] ?? '');
 147         $extid       = strip_tags($_REQUEST['extid'] ?? '');
 148         $object      = $_REQUEST['object'] ?? '';
 149
 150         // Don't use "defaults" here. It would turn 0 to 1
 151         if (!isset($_REQUEST['wall'])) {
 152                 $wall = 1;
 153         } else {
 154                 $wall = $_REQUEST['wall'];
 155         }
 156
 157         // Ensure that the user id in a thread always stay the same
 158         if (!is_null($parent_user) && in_array($parent_user, [local_user(), 0])) {
 159                 $profile_uid = $parent_user;
 160         }
 161
 162         // Check for multiple posts with the same message id (when the post was created via API)
 163         if (($message_id != '') && ($profile_uid != 0)) {
 164                 if (Item::exists(['uri' => $message_id, 'uid' => $profile_uid])) {
 165                         Logger::info('Message already exists for user', ['uri' => $message_id, 'uid' => $profile_uid]);
 166                         return 0;
 167                 }
 168         }
 169
 170         // Allow commenting if it is an answer to a public post
 171         $allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
 172
 173         // Now check that valid personal details have been provided
 174         if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
 175                 notice(DI::l10n()->t('Permission denied.'));
 176                 if ($return_path) {
 177                         DI::baseUrl()->redirect($return_path);
 178                 }
 179
 180                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
 181         }
 182
 183         // Init post instance
 184         $orig_post = null;
 185
 186         // is this an edited post?
 187         if ($post_id > 0) {
 188                 $orig_post = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 189         }
 190
 191         $user = DBA::selectFirst('user', [], ['uid' => $profile_uid]);
 192
 193         if (!DBA::isResult($user) && !$toplevel_item_id) {
 194                 return 0;
 195         }
 196
 197         $categories = '';
 198         $postopts = '';
 199         $emailcc = '';
 200         $body = $_REQUEST['body'] ?? '';
 201         $has_attachment = $_REQUEST['has_attachment'] ?? 0;
 202
 203         // If we have a speparate attachment, we need to add it to the body.
 204         if (!empty($has_attachment)) {
 205                 $attachment_type  = $_REQUEST['attachment_type'] ??  '';
 206                 $attachment_title = $_REQUEST['attachment_title'] ?? '';
 207                 $attachment_text  = $_REQUEST['attachment_text'] ??  '';
 208
 209                 $attachment_url     = hex2bin($_REQUEST['attachment_url'] ??     '');
 210                 $attachment_img_src = hex2bin($_REQUEST['attachment_img_src'] ?? '');
 211
 212                 $attachment_img_width  = $_REQUEST['attachment_img_width'] ??  0;
 213                 $attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
 214                 $attachment = [
 215                         'type'   => $attachment_type,
 216                         'title'  => $attachment_title,
 217                         'text'   => $attachment_text,
 218                         'url'    => $attachment_url,
 219                 ];
 220
 221                 if (!empty($attachment_img_src)) {
 222                         $attachment['images'] = [
 223                                 0 => [
 224                                         'src'    => $attachment_img_src,
 225                                         'width'  => $attachment_img_width,
 226                                         'height' => $attachment_img_height
 227                                 ]
 228                         ];
 229                 }
 230
 231                 $att_bbcode = add_page_info_data($attachment);
 232                 $body .= $att_bbcode;
 233         }
 234
 235         // Convert links with empty descriptions to links without an explicit description
 236         $body = preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $body);
 237
 238         if (!empty($orig_post)) {
 239                 $str_group_allow   = $orig_post['allow_gid'];
 240                 $str_contact_allow = $orig_post['allow_cid'];
 241                 $str_group_deny    = $orig_post['deny_gid'];
 242                 $str_contact_deny  = $orig_post['deny_cid'];
 243                 $location          = $orig_post['location'];
 244                 $coord             = $orig_post['coord'];
 245                 $verb              = $orig_post['verb'];
 246                 $objecttype        = $orig_post['object-type'];
 247                 $app               = $orig_post['app'];
 248                 $categories        = $orig_post['file'] ?? '';
 249                 $title             = Strings::escapeTags(trim($_REQUEST['title']));
 250                 $body              = trim($body);
 251                 $private           = $orig_post['private'];
 252                 $pubmail_enabled   = $orig_post['pubmail'];
 253                 $network           = $orig_post['network'];
 254                 $guid              = $orig_post['guid'];
 255                 $extid             = $orig_post['extid'];
 256         } else {
 257                 $str_contact_allow = '';
 258                 $str_group_allow   = '';
 259                 $str_contact_deny  = '';
 260                 $str_group_deny    = '';
 261
 262                 if (($_REQUEST['visibility'] ?? '') !== 'public') {
 263                         $aclFormatter = DI::aclFormatter();
 264                         $str_contact_allow = isset($_REQUEST['contact_allow']) ? $aclFormatter->toString($_REQUEST['contact_allow']) : $user['allow_cid'] ?? '';
 265                         $str_group_allow   = isset($_REQUEST['group_allow'])   ? $aclFormatter->toString($_REQUEST['group_allow'])   : $user['allow_gid'] ?? '';
 266                         $str_contact_deny  = isset($_REQUEST['contact_deny'])  ? $aclFormatter->toString($_REQUEST['contact_deny'])  : $user['deny_cid']  ?? '';
 267                         $str_group_deny    = isset($_REQUEST['group_deny'])    ? $aclFormatter->toString($_REQUEST['group_deny'])    : $user['deny_gid']  ?? '';
 268                 }
 269
 270                 $title             = Strings::escapeTags(trim($_REQUEST['title']    ?? ''));
 271                 $location          = Strings::escapeTags(trim($_REQUEST['location'] ?? ''));
 272                 $coord             = Strings::escapeTags(trim($_REQUEST['coord']    ?? ''));
 273                 $verb              = Strings::escapeTags(trim($_REQUEST['verb']     ?? ''));
 274                 $emailcc           = Strings::escapeTags(trim($_REQUEST['emailcc']  ?? ''));
 275                 $body              = trim($body);
 276                 $network           = Strings::escapeTags(trim(($_REQUEST['network']  ?? '') ?: Protocol::DFRN));
 277                 $guid              = System::createUUID();
 278
 279                 $postopts = $_REQUEST['postopts'] ?? '';
 280
 281                 if (strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) {
 282                         $private = Item::PRIVATE;
 283                 } elseif (DI::pConfig()->get($profile_uid, 'system', 'unlisted')) {
 284                         $private = Item::UNLISTED;
 285                 } else {
 286                         $private = Item::PUBLIC;
 287                 }
 288
 289                 // If this is a comment, set the permissions from the parent.
 290
 291                 if ($toplevel_item) {
 292                         // for non native networks use the network of the original post as network of the item
 293                         if (($toplevel_item['network'] != Protocol::DIASPORA)
 294                                 && ($toplevel_item['network'] != Protocol::OSTATUS)
 295                                 && ($network == "")) {
 296                                 $network = $toplevel_item['network'];
 297                         }
 298
 299                         $str_contact_allow = $toplevel_item['allow_cid'] ?? '';
 300                         $str_group_allow   = $toplevel_item['allow_gid'] ?? '';
 301                         $str_contact_deny  = $toplevel_item['deny_cid'] ?? '';
 302                         $str_group_deny    = $toplevel_item['deny_gid'] ?? '';
 303                         $private           = $toplevel_item['private'];
 304
 305                         $wall              = $toplevel_item['wall'];
 306                 }
 307
 308                 $pubmail_enabled = ($_REQUEST['pubmail_enable'] ?? false) && !$private;
 309
 310                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 311                 if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
 312                         if (function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) {
 313                                 $pubmail_enabled = DBA::exists('mailacct', ["`uid` = ? AND `server` != ? AND `pubmail`", local_user(), '']);
 314                         }
 315                 }
 316
 317                 if (!strlen($body)) {
 318                         if ($preview) {
 319                                 System::jsonExit(['preview' => '']);
 320                         }
 321
 322                         info(DI::l10n()->t('Empty post discarded.'));
 323                         if ($return_path) {
 324                                 DI::baseUrl()->redirect($return_path);
 325                         }
 326
 327                         throw new HTTPException\BadRequestException(DI::l10n()->t('Empty post discarded.'));
 328                 }
 329         }
 330
 331         if (!empty($categories)) {
 332                 // get the "fileas" tags for this post
 333                 $filedas = FileTag::fileToArray($categories);
 334         }
 335
 336         // save old and new categories, so we can determine what needs to be deleted from pconfig
 337         $categories_old = $categories;
 338         $categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
 339         $categories_new = $categories;
 340
 341         if (!empty($filedas) && is_array($filedas)) {
 342                 // append the fileas stuff to the new categories list
 343                 $categories .= FileTag::arrayToFile($filedas);
 344         }
 345
 346         // get contact info for poster
 347
 348         $author = null;
 349         $self   = false;
 350         $contact_id = 0;
 351
 352         if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
 353                 $self = true;
 354                 $author = DBA::selectFirst('contact', [], ['uid' => local_user(), 'self' => true]);
 355         } elseif (!empty(Session::getRemoteContactID($profile_uid))) {
 356                 $author = DBA::selectFirst('contact', [], ['id' => Session::getRemoteContactID($profile_uid)]);
 357         }
 358
 359         if (DBA::isResult($author)) {
 360                 $contact_id = $author['id'];
 361         }
 362
 363         // get contact info for owner
 364         if ($profile_uid == local_user() || $allow_comment) {
 365                 $contact_record = $author;
 366         } else {
 367                 $contact_record = DBA::selectFirst('contact', [], ['uid' => $profile_uid, 'self' => true]);
 368         }
 369
 370         // Look for any tags and linkify them
 371         $inform   = '';
 372         $private_forum = false;
 373         $private_id = null;
 374         $only_to_forum = false;
 375         $forum_contact = [];
 376
 377         BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
 378                 $tags = BBCode::getTags($body);
 379
 380                 $tagged = [];
 381
 382                 foreach ($tags as $tag) {
 383                         $tag_type = substr($tag, 0, 1);
 384
 385                         if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
 386                                 continue;
 387                         }
 388
 389                         /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 390                          * Robert Johnson should be first in the $tags array
 391                          */
 392                         foreach ($tagged as $nextTag) {
 393                                 if (stristr($nextTag, $tag . ' ')) {
 394                                         continue 2;
 395                                 }
 396                         }
 397
 398                         $success = handle_tag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network);
 399                         if ($success['replaced']) {
 400                                 $tagged[] = $tag;
 401                         }
 402                         // When the forum is private or the forum is addressed with a "!" make the post private
 403                         if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 404                                 $private_forum = $success['contact']['prv'];
 405                                 $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 406                                 $private_id = $success['contact']['id'];
 407                                 $forum_contact = $success['contact'];
 408                         } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 409                                 $private_forum = false;
 410                                 $only_to_forum = true;
 411                                 $private_id = $success['contact']['id'];
 412                                 $forum_contact = $success['contact'];
 413                         }
 414                 }
 415
 416                 return $body;
 417         });
 418
 419
 420         $original_contact_id = $contact_id;
 421
 422         if (!$toplevel_item_id && count($forum_contact) && ($private_forum || $only_to_forum)) {
 423                 // we tagged a forum in a top level post. Now we change the post
 424                 $private = $private_forum;
 425
 426                 $str_group_allow = '';
 427                 $str_contact_deny = '';
 428                 $str_group_deny = '';
 429                 if ($private_forum) {
 430                         $str_contact_allow = '<' . $private_id . '>';
 431                 } else {
 432                         $str_contact_allow = '';
 433                 }
 434                 $contact_id = $private_id;
 435                 $contact_record = $forum_contact;
 436                 $_REQUEST['origin'] = false;
 437                 $wall = 0;
 438         }
 439
 440         /*
 441          * When a photo was uploaded into the message using the (profile wall) ajax
 442          * uploader, The permissions are initially set to disallow anybody but the
 443          * owner from seeing it. This is because the permissions may not yet have been
 444          * set for the post. If it's private, the photo permissions should be set
 445          * appropriately. But we didn't know the final permissions on the post until
 446          * now. So now we'll look for links of uploaded messages that are in the
 447          * post and set them to the same permissions as the post itself.
 448          */
 449
 450         $match = null;
 451
 452         if (!$preview && Photo::setPermissionFromBody($body, $uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)) {
 453                 $objecttype = Activity\ObjectType::IMAGE;
 454         }
 455
 456         /*
 457          * Next link in any attachment references we find in the post.
 458          */
 459         $match = false;
 460
 461         /// @todo these lines should be moved to Model/Attach (Once it exists)
 462         if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 463                 $attaches = $match[1];
 464                 if (count($attaches)) {
 465                         foreach ($attaches as $attach) {
 466                                 // Ensure to only modify attachments that you own
 467                                 $srch = '<' . intval($original_contact_id) . '>';
 468
 469                                 $condition = ['allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
 470                                                 'id' => $attach];
 471                                 if (!Attach::exists($condition)) {
 472                                         continue;
 473                                 }
 474
 475                                 $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
 476                                                 'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
 477                                 $condition = ['id' => $attach];
 478                                 Attach::update($fields, $condition);
 479                         }
 480                 }
 481         }
 482
 483         // embedded bookmark or attachment in post? set bookmark flag
 484
 485         $data = BBCode::getAttachmentData($body);
 486         if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
 487                 && ($posttype != Item::PT_PERSONAL_NOTE)) {
 488                 $posttype = Item::PT_PAGE;
 489                 $objecttype =  Activity\ObjectType::BOOKMARK;
 490         }
 491
 492         $body = DI::bbCodeVideo()->transform($body);
 493
 494         $body = BBCode::scaleExternalImages($body);
 495
 496         // Setting the object type if not defined before
 497         if (!$objecttype) {
 498                 $objecttype = Activity\ObjectType::NOTE; // Default value
 499                 $objectdata = BBCode::getAttachedData($body);
 500
 501                 if ($objectdata["type"] == "link") {
 502                         $objecttype = Activity\ObjectType::BOOKMARK;
 503                 } elseif ($objectdata["type"] == "video") {
 504                         $objecttype = Activity\ObjectType::VIDEO;
 505                 } elseif ($objectdata["type"] == "photo") {
 506                         $objecttype = Activity\ObjectType::IMAGE;
 507                 }
 508
 509         }
 510
 511         $attachments = '';
 512         $match = false;
 513
 514         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 515                 foreach ($match[2] as $mtch) {
 516                         $fields = ['id', 'filename', 'filesize', 'filetype'];
 517                         $attachment = Attach::selectFirst($fields, ['id' => $mtch]);
 518                         if ($attachment !== false) {
 519                                 if (strlen($attachments)) {
 520                                         $attachments .= ',';
 521                                 }
 522                                 $attachments .= '[attach]href="' . DI::baseUrl() . '/attach/' . $attachment['id'] .
 523                                                 '" length="' . $attachment['filesize'] . '" type="' . $attachment['filetype'] .
 524                                                 '" title="' . ($attachment['filename'] ? $attachment['filename'] : '') . '"[/attach]';
 525                         }
 526                         $body = str_replace($match[1],'',$body);
 527                 }
 528         }
 529
 530         if (!strlen($verb)) {
 531                 $verb = Activity::POST;
 532         }
 533
 534         if ($network == "") {
 535                 $network = Protocol::DFRN;
 536         }
 537
 538         $gravity = ($toplevel_item_id ? GRAVITY_COMMENT : GRAVITY_PARENT);
 539
 540         // even if the post arrived via API we are considering that it
 541         // originated on this site by default for determining relayability.
 542
 543         // Don't use "defaults" here. It would turn 0 to 1
 544         if (!isset($_REQUEST['origin'])) {
 545                 $origin = 1;
 546         } else {
 547                 $origin = $_REQUEST['origin'];
 548         }
 549
 550         $uri = ($message_id ? $message_id : Item::newURI($api_source ? $profile_uid : $uid, $guid));
 551
 552         // Fallback so that we alway have a parent uri
 553         if (!$thr_parent_uri || !$toplevel_item_id) {
 554                 $thr_parent_uri = $uri;
 555         }
 556
 557         $datarray = [];
 558         $datarray['uid']           = $profile_uid;
 559         $datarray['wall']          = $wall;
 560         $datarray['gravity']       = $gravity;
 561         $datarray['network']       = $network;
 562         $datarray['contact-id']    = $contact_id;
 563         $datarray['owner-name']    = $contact_record['name'];
 564         $datarray['owner-link']    = $contact_record['url'];
 565         $datarray['owner-avatar']  = $contact_record['thumb'];
 566         $datarray['owner-id']      = Contact::getIdForURL($datarray['owner-link']);
 567         $datarray['author-name']   = $author['name'];
 568         $datarray['author-link']   = $author['url'];
 569         $datarray['author-avatar'] = $author['thumb'];
 570         $datarray['author-id']     = Contact::getIdForURL($datarray['author-link']);
 571         $datarray['created']       = DateTimeFormat::utcNow();
 572         $datarray['edited']        = DateTimeFormat::utcNow();
 573         $datarray['commented']     = DateTimeFormat::utcNow();
 574         $datarray['received']      = DateTimeFormat::utcNow();
 575         $datarray['changed']       = DateTimeFormat::utcNow();
 576         $datarray['extid']         = $extid;
 577         $datarray['guid']          = $guid;
 578         $datarray['uri']           = $uri;
 579         $datarray['title']         = $title;
 580         $datarray['body']          = $body;
 581         $datarray['app']           = $app;
 582         $datarray['location']      = $location;
 583         $datarray['coord']         = $coord;
 584         $datarray['file']          = $categories;
 585         $datarray['inform']        = $inform;
 586         $datarray['verb']          = $verb;
 587         $datarray['post-type']     = $posttype;
 588         $datarray['object-type']   = $objecttype;
 589         $datarray['allow_cid']     = $str_contact_allow;
 590         $datarray['allow_gid']     = $str_group_allow;
 591         $datarray['deny_cid']      = $str_contact_deny;
 592         $datarray['deny_gid']      = $str_group_deny;
 593         $datarray['private']       = $private;
 594         $datarray['pubmail']       = $pubmail_enabled;
 595         $datarray['attach']        = $attachments;
 596
 597         // This is not a bug. The item store function changes 'parent-uri' to 'thr-parent' and fetches 'parent-uri' new. (We should change this)
 598         $datarray['parent-uri']    = $thr_parent_uri;
 599
 600         $datarray['postopts']      = $postopts;
 601         $datarray['origin']        = $origin;
 602         $datarray['moderated']     = false;
 603         $datarray['object']        = $object;
 604
 605         /*
 606          * These fields are for the convenience of addons...
 607          * 'self' if true indicates the owner is posting on their own wall
 608          * If parent is 0 it is a top-level post.
 609          */
 610         $datarray['parent']        = $toplevel_item_id;
 611         $datarray['self']          = $self;
 612
 613         // This triggers posts via API and the mirror functions
 614         $datarray['api_source'] = $api_source;
 615
 616         // This field is for storing the raw conversation data
 617         $datarray['protocol'] = Conversation::PARCEL_DFRN;
 618
 619         $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $datarray['parent-uri']]);
 620         if (DBA::isResult($conversation)) {
 621                 if ($conversation['conversation-uri'] != '') {
 622                         $datarray['conversation-uri'] = $conversation['conversation-uri'];
 623                 }
 624                 if ($conversation['conversation-href'] != '') {
 625                         $datarray['conversation-href'] = $conversation['conversation-href'];
 626                 }
 627         }
 628
 629         if ($orig_post) {
 630                 $datarray['edit'] = true;
 631         } else {
 632                 // If this was a share, add missing data here
 633                 $datarray = Item::addShareDataFromOriginal($datarray);
 634
 635                 $datarray['edit'] = false;
 636         }
 637
 638         // Check for hashtags in the body and repair or add hashtag links
 639         if ($preview || $orig_post) {
 640                 $datarray['body'] = Item::setHashtags($datarray['body']);
 641         }
 642
 643         // preview mode - prepare the body for display and send it via json
 644         if ($preview) {
 645                 // We set the datarray ID to -1 because in preview mode the dataray
 646                 // doesn't have an ID.
 647                 $datarray["id"] = -1;
 648                 $datarray["uri-id"] = -1;
 649                 $datarray["item_id"] = -1;
 650                 $datarray["author-network"] = Protocol::DFRN;
 651
 652                 $o = conversation($a, [array_merge($contact_record, $datarray)], 'search', false, true);
 653
 654                 System::jsonExit(['preview' => $o]);
 655         }
 656
 657         Hook::callAll('post_local',$datarray);
 658
 659         if (!empty($datarray['cancel'])) {
 660                 Logger::info('mod_item: post cancelled by addon.');
 661                 if ($return_path) {
 662                         DI::baseUrl()->redirect($return_path);
 663                 }
 664
 665                 $json = ['cancel' => 1];
 666                 if (!empty($_REQUEST['jsreload'])) {
 667                         $json['reload'] = DI::baseUrl() . '/' . $_REQUEST['jsreload'];
 668                 }
 669
 670                 System::jsonExit($json);
 671         }
 672
 673         if ($orig_post) {
 674                 // Fill the cache field
 675                 // This could be done in Item::update as well - but we have to check for the existance of some fields.
 676                 Item::putInCache($datarray);
 677
 678                 $fields = [
 679                         'title' => $datarray['title'],
 680                         'body' => $datarray['body'],
 681                         'attach' => $datarray['attach'],
 682                         'file' => $datarray['file'],
 683                         'rendered-html' => $datarray['rendered-html'],
 684                         'rendered-hash' => $datarray['rendered-hash'],
 685                         'edited' => DateTimeFormat::utcNow(),
 686                         'changed' => DateTimeFormat::utcNow()];
 687
 688                 Item::update($fields, ['id' => $post_id]);
 689
 690                 // update filetags in pconfig
 691                 FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 692
 693                 info(DI::l10n()->t('Post updated.'));
 694                 if ($return_path) {
 695                         DI::baseUrl()->redirect($return_path);
 696                 }
 697
 698                 throw new HTTPException\OKException(DI::l10n()->t('Post updated.'));
 699         }
 700
 701         unset($datarray['edit']);
 702         unset($datarray['self']);
 703         unset($datarray['api_source']);
 704
 705         if ($origin) {
 706                 $signed = Diaspora::createCommentSignature($uid, $datarray);
 707                 if (!empty($signed)) {
 708                         $datarray['diaspora_signed_text'] = json_encode($signed);
 709                 }
 710         }
 711
 712         $post_id = Item::insert($datarray);
 713
 714         if (!$post_id) {
 715                 info(DI::l10n()->t('Item wasn\'t stored.'));
 716                 if ($return_path) {
 717                         DI::baseUrl()->redirect($return_path);
 718                 }
 719
 720                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item wasn\'t stored.'));
 721         }
 722
 723         $datarray = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 724
 725         if (!DBA::isResult($datarray)) {
 726                 Logger::error('Item couldn\'t be fetched.', ['post_id' => $post_id]);
 727                 if ($return_path) {
 728                         DI::baseUrl()->redirect($return_path);
 729                 }
 730
 731                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item couldn\'t be fetched.'));
 732         }
 733
 734         Tag::storeFromBody($datarray['uri-id'], $datarray['body']);
 735
 736         if (!\Friendica\Content\Feature::isEnabled($uid, 'explicit_mentions') && ($datarray['gravity'] == GRAVITY_COMMENT)) {
 737                 Tag::createImplicitMentions($datarray['uri-id'], $datarray['thr-parent-id']);
 738         }
 739
 740         // update filetags in pconfig
 741         FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 742
 743         // These notifications are sent if someone else is commenting other your wall
 744         if ($toplevel_item_id) {
 745                 if ($contact_record != $author) {
 746                         notification([
 747                                 'type'         => Type::COMMENT,
 748                                 'notify_flags' => $user['notify-flags'],
 749                                 'language'     => $user['language'],
 750                                 'to_name'      => $user['username'],
 751                                 'to_email'     => $user['email'],
 752                                 'uid'          => $user['uid'],
 753                                 'item'         => $datarray,
 754                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 755                                 'source_name'  => $datarray['author-name'],
 756                                 'source_link'  => $datarray['author-link'],
 757                                 'source_photo' => $datarray['author-avatar'],
 758                                 'verb'         => Activity::POST,
 759                                 'otype'        => 'item',
 760                                 'parent'       => $toplevel_item_id,
 761                                 'parent_uri'   => $toplevel_item['uri']
 762                         ]);
 763                 }
 764         } else {
 765                 if (($contact_record != $author) && !count($forum_contact)) {
 766                         notification([
 767                                 'type'         => Type::WALL,
 768                                 'notify_flags' => $user['notify-flags'],
 769                                 'language'     => $user['language'],
 770                                 'to_name'      => $user['username'],
 771                                 'to_email'     => $user['email'],
 772                                 'uid'          => $user['uid'],
 773                                 'item'         => $datarray,
 774                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 775                                 'source_name'  => $datarray['author-name'],
 776                                 'source_link'  => $datarray['author-link'],
 777                                 'source_photo' => $datarray['author-avatar'],
 778                                 'verb'         => Activity::POST,
 779                                 'otype'        => 'item'
 780                         ]);
 781                 }
 782         }
 783
 784         Hook::callAll('post_local_end', $datarray);
 785
 786         if (strlen($emailcc) && $profile_uid == local_user()) {
 787                 $recipients = explode(',', $emailcc);
 788                 if (count($recipients)) {
 789                         foreach ($recipients as $recipient) {
 790                                 $address = trim($recipient);
 791                                 if (!strlen($address)) {
 792                                         continue;
 793                                 }
 794                                 DI::emailer()->send(new ItemCCEMail(DI::app(), DI::l10n(), DI::baseUrl(),
 795                                         $datarray, $address, $author['thumb'] ?? ''));
 796                         }
 797                 }
 798         }
 799
 800         // Insert an item entry for UID=0 for global entries.
 801         // We now do it in the background to save some time.
 802         // This is important in interactive environments like the frontend or the API.
 803         // We don't fork a new process since this is done anyway with the following command
 804         Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "CreateShadowEntry", $post_id);
 805
 806         // When we are doing some forum posting via ! we have to start the notifier manually.
 807         // These kind of posts don't initiate the notifier call in the item class.
 808         if ($only_to_forum) {
 809                 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
 810         }
 811
 812         Logger::info('post_complete');
 813
 814         if ($api_source) {
 815                 return $post_id;
 816         }
 817
 818         info(DI::l10n()->t('Post published.'));
 819         item_post_return(DI::baseUrl(), $api_source, $return_path);
 820         // NOTREACHED
 821 }
 822
 823 function item_post_return($baseurl, $api_source, $return_path)
 824 {
 825         if ($api_source) {
 826                 return;
 827         }
 828
 829         if ($return_path) {
 830                 DI::baseUrl()->redirect($return_path);
 831         }
 832
 833         $json = ['success' => 1];
 834         if (!empty($_REQUEST['jsreload'])) {
 835                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
 836         }
 837
 838         Logger::info('post_json', ['json' => $json]);
 839
 840         System::jsonExit($json);
 841 }
 842
 843 function item_content(App $a)
 844 {
 845         if (!Session::isAuthenticated()) {
 846                 return;
 847         }
 848
 849         $o = '';
 850
 851         if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 852                 if (DI::mode()->isAjax()) {
 853                         $o = Item::deleteForUser(['id' => $a->argv[2]], local_user());
 854                 } else {
 855                         if (!empty($a->argv[3])) {
 856                                 $o = drop_item($a->argv[2], $a->argv[3]);
 857                         }
 858                         else {
 859                                 $o = drop_item($a->argv[2]);
 860                         }
 861                 }
 862
 863                 if (DI::mode()->isAjax()) {
 864                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
 865                         System::jsonExit([intval($a->argv[2]), intval($o)]);
 866                 }
 867         }
 868
 869         return $o;
 870 }
 871
 872 /**
 873  * This function removes the tag $tag from the text $body and replaces it with
 874  * the appropriate link.
 875  *
 876  * @param App     $a
 877  * @param string  $body     the text to replace the tag in
 878  * @param string  $inform   a comma-seperated string containing everybody to inform
 879  * @param integer $profile_uid
 880  * @param string  $tag      the tag to replace
 881  * @param string  $network  The network of the post
 882  *
 883  * @return array|bool ['replaced' => $replaced, 'contact' => $contact];
 884  * @throws ImagickException
 885  * @throws HTTPException\InternalServerErrorException
 886  */
 887 function handle_tag(&$body, &$inform, $profile_uid, $tag, $network = "")
 888 {
 889         $replaced = false;
 890
 891         //is it a person tag?
 892         if (Tag::isType($tag, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION)) {
 893                 $tag_type = substr($tag, 0, 1);
 894                 //is it already replaced?
 895                 if (strpos($tag, '[url=')) {
 896                         // Checking for the alias that is used for OStatus
 897                         $pattern = "/[@!]\[url\=(.*?)\](.*?)\[\/url\]/ism";
 898                         if (preg_match($pattern, $tag, $matches)) {
 899                                 $data = Contact::getDetailsByURL($matches[1]);
 900
 901                                 if ($data["alias"] != "") {
 902                                         $newtag = '@[url=' . $data["alias"] . ']' . $data["nick"] . '[/url]';
 903                                 }
 904                         }
 905
 906                         return $replaced;
 907                 }
 908
 909                 //get the person's name
 910                 $name = substr($tag, 1);
 911
 912                 // Sometimes the tag detection doesn't seem to work right
 913                 // This is some workaround
 914                 $nameparts = explode(" ", $name);
 915                 $name = $nameparts[0];
 916
 917                 // Try to detect the contact in various ways
 918                 if (strpos($name, 'http://')) {
 919                         // At first we have to ensure that the contact exists
 920                         Contact::getIdForURL($name);
 921
 922                         // Now we should have something
 923                         $contact = Contact::getDetailsByURL($name);
 924                 } elseif (strpos($name, '@')) {
 925                         // This function automatically probes when no entry was found
 926                         $contact = Contact::getDetailsByAddr($name);
 927                 } else {
 928                         $contact = false;
 929                         $fields = ['id', 'url', 'nick', 'name', 'alias', 'network', 'forum', 'prv'];
 930
 931                         if (strrpos($name, '+')) {
 932                                 // Is it in format @nick+number?
 933                                 $tagcid = intval(substr($name, strrpos($name, '+') + 1));
 934                                 $contact = DBA::selectFirst('contact', $fields, ['id' => $tagcid, 'uid' => $profile_uid]);
 935                         }
 936
 937                         // select someone by nick or attag in the current network
 938                         if (!DBA::isResult($contact) && ($network != "")) {
 939                                 $condition = ["(`nick` = ? OR `attag` = ?) AND `network` = ? AND `uid` = ?",
 940                                                 $name, $name, $network, $profile_uid];
 941                                 $contact = DBA::selectFirst('contact', $fields, $condition);
 942                         }
 943
 944                         //select someone by name in the current network
 945                         if (!DBA::isResult($contact) && ($network != "")) {
 946                                 $condition = ['name' => $name, 'network' => $network, 'uid' => $profile_uid];
 947                                 $contact = DBA::selectFirst('contact', $fields, $condition);
 948                         }
 949
 950                         // select someone by nick or attag in any network
 951                         if (!DBA::isResult($contact)) {
 952                                 $condition = ["(`nick` = ? OR `attag` = ?) AND `uid` = ?", $name, $name, $profile_uid];
 953                                 $contact = DBA::selectFirst('contact', $fields, $condition);
 954                         }
 955
 956                         // select someone by name in any network
 957                         if (!DBA::isResult($contact)) {
 958                                 $condition = ['name' => $name, 'uid' => $profile_uid];
 959                                 $contact = DBA::selectFirst('contact', $fields, $condition);
 960                         }
 961                 }
 962
 963                 // Check if $contact has been successfully loaded
 964                 if (DBA::isResult($contact)) {
 965                         if (strlen($inform) && (isset($contact["notify"]) || isset($contact["id"]))) {
 966                                 $inform .= ',';
 967                         }
 968
 969                         if (isset($contact["id"])) {
 970                                 $inform .= 'cid:' . $contact["id"];
 971                         } elseif (isset($contact["notify"])) {
 972                                 $inform  .= $contact["notify"];
 973                         }
 974
 975                         $profile = $contact["url"];
 976                         $newname = ($contact["name"] ?? '') ?: $contact["nick"];
 977                 }
 978
 979                 //if there is an url for this persons profile
 980                 if (isset($profile) && ($newname != "")) {
 981                         $replaced = true;
 982                         // create profile link
 983                         $profile = str_replace(',', '%2c', $profile);
 984                         $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
 985                         $body = str_replace($tag_type . $name, $newtag, $body);
 986                 }
 987         }
 988
 989         return ['replaced' => $replaced, 'contact' => $contact];
 990 }