mod/item.php

   1 <?php
   2
   3 /*
   4  * This is the POST destination for most all locally posted
   5  * text stuff. This function handles status, wall-to-wall status,
   6  * local comments, and remote coments that are posted on this site
   7  * (as opposed to being delivered in a feed).
   8  * Also processed here are posts and comments coming through the
   9  * statusnet/twitter API.
  10  *
  11  * All of these become an "item" which is our basic unit of
  12  * information.
  13  *
  14  * Posts that originate externally or do not fall into the above
  15  * posting categories go through item_store() instead of this function.
  16  */
  17
  18 use Friendica\App;
  19 use Friendica\Core\Config;
  20 use Friendica\Core\System;
  21 use Friendica\Core\Worker;
  22 use Friendica\Database\DBM;
  23 use Friendica\Network\Probe;
  24 use Friendica\Protocol\Diaspora;
  25
  26 require_once 'include/crypto.php';
  27 require_once 'include/enotify.php';
  28 require_once 'include/email.php';
  29 require_once 'include/tags.php';
  30 require_once 'include/files.php';
  31 require_once 'include/threads.php';
  32 require_once 'include/text.php';
  33 require_once 'include/items.php';
  34 require_once 'include/Contact.php';
  35
  36 function item_post(App $a) {
  37
  38         if ((! local_user()) && (! remote_user()) && (! x($_REQUEST, 'commenter'))) {
  39                 return;
  40         }
  41
  42         require_once 'include/security.php';
  43
  44         $uid = local_user();
  45
  46         if (x($_REQUEST, 'dropitems')) {
  47                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  48                 drop_items($arr_drop);
  49                 $json = array('success' => 1);
  50                 echo json_encode($json);
  51                 killme();
  52         }
  53
  54         call_hooks('post_local_start', $_REQUEST);
  55         // logger('postinput ' . file_get_contents('php://input'));
  56         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  57
  58         $api_source = ((x($_REQUEST, 'api_source') && $_REQUEST['api_source']) ? true : false);
  59
  60         $message_id = ((x($_REQUEST, 'message_id') && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  61
  62         $return_path = ((x($_REQUEST, 'return')) ? $_REQUEST['return'] : '');
  63         $preview = ((x($_REQUEST, 'preview')) ? intval($_REQUEST['preview']) : 0);
  64
  65         /*
  66          * Check for doubly-submitted posts, and reject duplicates
  67          * Note that we have to ignore previews, otherwise nothing will post
  68          * after it's been previewed
  69          */
  70         if (!$preview && x($_REQUEST, 'post_id_random')) {
  71                 if (x($_SESSION, 'post-random') && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  72                         logger("item post: duplicate post", LOGGER_DEBUG);
  73                         item_post_return(System::baseUrl(), $api_source, $return_path);
  74                 } else {
  75                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  76                 }
  77         }
  78
  79         // Is this a reply to something?
  80         $parent = ((x($_REQUEST, 'parent')) ? intval($_REQUEST['parent']) : 0);
  81         $parent_uri = ((x($_REQUEST, 'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  82
  83         $parent_item = null;
  84         $parent_contact = null;
  85         $thr_parent = '';
  86         $parid = 0;
  87         $r = false;
  88         $objecttype = null;
  89
  90         if ($parent || $parent_uri) {
  91
  92                 $objecttype = ACTIVITY_OBJ_COMMENT;
  93
  94                 if (! x($_REQUEST, 'type')) {
  95                         $_REQUEST['type'] = 'net-comment';
  96                 }
  97
  98                 if ($parent) {
  99                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 100                                 intval($parent)
 101                         );
 102                 } elseif ($parent_uri && local_user()) {
 103                         // This is coming from an API source, and we are logged in
 104                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 105                                 dbesc($parent_uri),
 106                                 intval(local_user())
 107                         );
 108                 }
 109
 110                 // if this isn't the real parent of the conversation, find it
 111                 if (DBM::is_result($r)) {
 112                         $parid = $r[0]['parent'];
 113                         $parent_uri = $r[0]['uri'];
 114                         if ($r[0]['id'] != $r[0]['parent']) {
 115                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 116                                         intval($parid)
 117                                 );
 118                         }
 119                 }
 120
 121                 if (! DBM::is_result($r)) {
 122                         notice( t('Unable to locate original post.') . EOL);
 123                         if (x($_REQUEST, 'return')) {
 124                                 goaway($return_path);
 125                         }
 126                         killme();
 127                 }
 128                 $parent_item = $r[0];
 129                 $parent = $r[0]['id'];
 130
 131                 // multi-level threading - preserve the info but re-parent to our single level threading
 132                 //if(($parid) && ($parid != $parent))
 133                 $thr_parent = $parent_uri;
 134
 135                 if ($parent_item['contact-id'] && $uid) {
 136                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 137                                 intval($parent_item['contact-id']),
 138                                 intval($uid)
 139                         );
 140                         if (DBM::is_result($r)) {
 141                                 $parent_contact = $r[0];
 142                         }
 143
 144                         // If the contact id doesn't fit with the contact, then set the contact to null
 145                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 146                         if (DBM::is_result($thrparent) && ($thrparent[0]["network"] === NETWORK_OSTATUS)
 147                                 && (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 148                                 $parent_contact = get_contact_details_by_url($thrparent[0]["author-link"]);
 149
 150                                 if (!isset($parent_contact["nick"])) {
 151                                         $probed_contact = Probe::uri($thrparent[0]["author-link"]);
 152                                         if ($probed_contact["network"] != NETWORK_FEED) {
 153                                                 $parent_contact = $probed_contact;
 154                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 155                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 156                                                 $parent_contact["micro"] = $probed_contact["photo"];
 157                                                 $parent_contact["addr"] = $probed_contact["addr"];
 158                                         }
 159                                 }
 160                                 logger('no contact found: ' . print_r($thrparent, true), LOGGER_DEBUG);
 161                         } else {
 162                                 logger('parent contact: ' . print_r($parent_contact, true), LOGGER_DEBUG);
 163                         }
 164
 165                         if ($parent_contact["nick"] == "") {
 166                                 $parent_contact["nick"] = $parent_contact["name"];
 167                         }
 168                 }
 169         }
 170
 171         if ($parent) {
 172                 logger('mod_item: item_post parent=' . $parent);
 173         }
 174
 175         $profile_uid = ((x($_REQUEST, 'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 176         $post_id     = ((x($_REQUEST, 'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 177         $app         = ((x($_REQUEST, 'source'))      ? strip_tags($_REQUEST['source'])  : '');
 178         $extid       = ((x($_REQUEST, 'extid'))       ? strip_tags($_REQUEST['extid'])   : '');
 179         $object      = ((x($_REQUEST, 'object'))      ? $_REQUEST['object']              : '');
 180
 181         // Check for multiple posts with the same message id (when the post was created via API)
 182         if (($message_id != '') && ($profile_uid != 0)) {
 183                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 184                         dbesc($message_id),
 185                         intval($profile_uid)
 186                 );
 187
 188                 if (DBM::is_result($r)) {
 189                         logger("Message with URI ".$message_id." already exists for user ".$profile_uid, LOGGER_DEBUG);
 190                         return;
 191                 }
 192         }
 193
 194         $allow_moderated = false;
 195
 196         // here is where we are going to check for permission to post a moderated comment.
 197
 198         // First check that the parent exists and it is a wall item.
 199
 200         if ((x($_REQUEST, 'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 201                 notice(t('Permission denied.') . EOL) ;
 202                 if (x($_REQUEST, 'return')) {
 203                         goaway($return_path);
 204                 }
 205                 killme();
 206         }
 207
 208         /*
 209          * Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 210          * have been provided, and run any anti-spam plugins
 211          */
 212         if ((! can_write_wall($a, $profile_uid)) && (! $allow_moderated)) {
 213                 notice(t('Permission denied.') . EOL) ;
 214                 if (x($_REQUEST, 'return')) {
 215                         goaway($return_path);
 216                 }
 217                 killme();
 218         }
 219
 220
 221         // is this an edited post?
 222
 223         $orig_post = null;
 224
 225         if ($post_id) {
 226                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 227                         intval($profile_uid),
 228                         intval($post_id)
 229                 );
 230                 if (! DBM::is_result($i)) {
 231                         killme();
 232                 }
 233                 $orig_post = $i[0];
 234         }
 235
 236         $user = null;
 237
 238         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 239                 intval($profile_uid)
 240         );
 241         if (DBM::is_result($r)) {
 242                 $user = $r[0];
 243         }
 244
 245         if ($orig_post) {
 246                 $str_group_allow   = $orig_post['allow_gid'];
 247                 $str_contact_allow = $orig_post['allow_cid'];
 248                 $str_group_deny    = $orig_post['deny_gid'];
 249                 $str_contact_deny  = $orig_post['deny_cid'];
 250                 $location          = $orig_post['location'];
 251                 $coord             = $orig_post['coord'];
 252                 $verb              = $orig_post['verb'];
 253                 $objecttype        = $orig_post['object-type'];
 254                 $emailcc           = $orig_post['emailcc'];
 255                 $app               = $orig_post['app'];
 256                 $categories        = $orig_post['file'];
 257                 $title             = notags(trim($_REQUEST['title']));
 258                 $body              = escape_tags(trim($_REQUEST['body']));
 259                 $private           = $orig_post['private'];
 260                 $pubmail_enable    = $orig_post['pubmail'];
 261                 $network           = $orig_post['network'];
 262                 $guid              = $orig_post['guid'];
 263                 $extid             = $orig_post['extid'];
 264
 265         } else {
 266
 267                 /*
 268                  * if coming from the API and no privacy settings are set,
 269                  * use the user default permissions - as they won't have
 270                  * been supplied via a form.
 271                  */
 272                 /// @TODO use x($_REQUEST, 'foo') here
 273                 if (($api_source)
 274                         && (! array_key_exists('contact_allow', $_REQUEST))
 275                         && (! array_key_exists('group_allow', $_REQUEST))
 276                         && (! array_key_exists('contact_deny', $_REQUEST))
 277                         && (! array_key_exists('group_deny', $_REQUEST))) {
 278                         $str_group_allow   = $user['allow_gid'];
 279                         $str_contact_allow = $user['allow_cid'];
 280                         $str_group_deny    = $user['deny_gid'];
 281                         $str_contact_deny  = $user['deny_cid'];
 282                 } else {
 283
 284                         // use the posted permissions
 285
 286                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 287                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 288                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 289                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 290                 }
 291
 292                 $title             = notags(trim($_REQUEST['title']));
 293                 $location          = notags(trim($_REQUEST['location']));
 294                 $coord             = notags(trim($_REQUEST['coord']));
 295                 $verb              = notags(trim($_REQUEST['verb']));
 296                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 297                 $body              = escape_tags(trim($_REQUEST['body']));
 298                 $network           = notags(trim($_REQUEST['network']));
 299                 $guid              = get_guid(32);
 300
 301                 item_add_language_opt($_REQUEST);
 302                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 303
 304                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 305
 306                 if ($user['hidewall']) {
 307                         $private = 2;
 308                 }
 309
 310                 // If this is a comment, set the permissions from the parent.
 311
 312                 if ($parent_item) {
 313
 314                         // for non native networks use the network of the original post as network of the item
 315                         if (($parent_item['network'] != NETWORK_DIASPORA)
 316                                 && ($parent_item['network'] != NETWORK_OSTATUS)
 317                                 && ($network == "")) {
 318                                 $network = $parent_item['network'];
 319                         }
 320
 321                         $str_contact_allow = $parent_item['allow_cid'];
 322                         $str_group_allow   = $parent_item['allow_gid'];
 323                         $str_contact_deny  = $parent_item['deny_cid'];
 324                         $str_group_deny    = $parent_item['deny_gid'];
 325                         $private           = $parent_item['private'];
 326                 }
 327
 328                 $pubmail_enable    = ((x($_REQUEST, 'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 329
 330                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 331
 332                 if ($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 333                         $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 334                         if (! $mail_disabled) {
 335                                 /// @TODO Check if only pubmail is loaded, * loads all columns
 336                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 337                                         intval(local_user())
 338                                 );
 339                                 if (DBM::is_result($r) && intval($r[0]['pubmail'])) {
 340                                         $pubmail_enabled = true;
 341                                 }
 342                         }
 343                 }
 344
 345                 if (! strlen($body)) {
 346                         if ($preview) {
 347                                 killme();
 348                         }
 349                         info(t('Empty post discarded.') . EOL );
 350                         if (x($_REQUEST, 'return')) {
 351                                 goaway($return_path);
 352                         }
 353                         killme();
 354                 }
 355         }
 356
 357         if (strlen($categories)) {
 358                 // get the "fileas" tags for this post
 359                 $filedas = file_tag_file_to_list($categories, 'file');
 360         }
 361         // save old and new categories, so we can determine what needs to be deleted from pconfig
 362         $categories_old = $categories;
 363         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 364         $categories_new = $categories;
 365         if (strlen($filedas)) {
 366                 // append the fileas stuff to the new categories list
 367                 $categories .= file_tag_list_to_file($filedas, 'file');
 368         }
 369
 370         // get contact info for poster
 371
 372         $author = null;
 373         $self   = false;
 374         $contact_id = 0;
 375
 376         if ((local_user()) && (local_user() == $profile_uid)) {
 377                 $self = true;
 378                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 379                         intval($_SESSION['uid']));
 380         } elseif(remote_user()) {
 381                 if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
 382                         foreach ($_SESSION['remote'] as $v) {
 383                                 if ($v['uid'] == $profile_uid) {
 384                                         $contact_id = $v['cid'];
 385                                         break;
 386                                 }
 387                         }
 388                 }
 389                 if ($contact_id) {
 390                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 391                                 intval($contact_id)
 392                         );
 393                 }
 394         }
 395
 396         if (DBM::is_result($r)) {
 397                 $author = $r[0];
 398                 $contact_id = $author['id'];
 399         }
 400
 401         // get contact info for owner
 402
 403         if ($profile_uid == local_user()) {
 404                 $contact_record = $author;
 405         } else {
 406                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 407                         intval($profile_uid)
 408                 );
 409                 if (DBM::is_result($r)) {
 410                         $contact_record = $r[0];
 411                 }
 412         }
 413
 414         $post_type = notags(trim($_REQUEST['type']));
 415
 416         if ($post_type === 'net-comment' && $parent_item !== null) {
 417                 if ($parent_item['wall'] == 1) {
 418                         $post_type = 'wall-comment';
 419                 } else {
 420                         $post_type = 'remote-comment';
 421                 }
 422         }
 423
 424         /*
 425          * When a photo was uploaded into the message using the (profile wall) ajax
 426          * uploader, The permissions are initially set to disallow anybody but the
 427          * owner from seeing it. This is because the permissions may not yet have been
 428          * set for the post. If it's private, the photo permissions should be set
 429          * appropriately. But we didn't know the final permissions on the post until
 430          * now. So now we'll look for links of uploaded messages that are in the
 431          * post and set them to the same permissions as the post itself.
 432          */
 433
 434         $match = null;
 435
 436         if ((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 437                 $images = $match[2];
 438                 if (count($images)) {
 439
 440                         $objecttype = ACTIVITY_OBJ_IMAGE;
 441
 442                         foreach ($images as $image) {
 443                                 if (! stristr($image,System::baseUrl() . '/photo/')) {
 444                                         continue;
 445                                 }
 446                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 447                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 448                                 if (! strlen($image_uri)) {
 449                                         continue;
 450                                 }
 451                                 $srch = '<' . intval($contact_id) . '>';
 452
 453                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 454                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 455                                         dbesc($srch),
 456                                         dbesc($image_uri),
 457                                         intval($profile_uid)
 458                                 );
 459
 460                                 if (! DBM::is_result($r)) {
 461                                         continue;
 462                                 }
 463
 464                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 465                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 466                                         dbesc($str_contact_allow),
 467                                         dbesc($str_group_allow),
 468                                         dbesc($str_contact_deny),
 469                                         dbesc($str_group_deny),
 470                                         dbesc($image_uri),
 471                                         intval($profile_uid),
 472                                         dbesc( t('Wall Photos'))
 473                                 );
 474                         }
 475                 }
 476         }
 477
 478
 479         /*
 480          * Next link in any attachment references we find in the post.
 481          */
 482         $match = false;
 483
 484         if ((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 485                 $attaches = $match[1];
 486                 if (count($attaches)) {
 487                         foreach ($attaches as $attach) {
 488                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 489                                         intval($profile_uid),
 490                                         intval($attach)
 491                                 );
 492                                 if (DBM::is_result($r)) {
 493                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 494                                                 WHERE `uid` = %d AND `id` = %d",
 495                                                 dbesc($str_contact_allow),
 496                                                 dbesc($str_group_allow),
 497                                                 dbesc($str_contact_deny),
 498                                                 dbesc($str_group_deny),
 499                                                 intval($profile_uid),
 500                                                 intval($attach)
 501                                         );
 502                                 }
 503                         }
 504                 }
 505         }
 506
 507         // embedded bookmark or attachment in post? set bookmark flag
 508
 509         $bookmark = 0;
 510         $data = get_attachment_data($body);
 511         if (preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"])) {
 512                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 513                 $bookmark = 1;
 514         }
 515
 516         $body = bb_translate_video($body);
 517
 518
 519         // Fold multi-line [code] sequences
 520         $body = preg_replace('/\[\/code\]\s*\[code\]/ism', "\n", $body);
 521
 522         $body = scale_external_images($body, false);
 523
 524         // Setting the object type if not defined before
 525         if (!$objecttype) {
 526                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 527                 require_once 'include/plaintext.php';
 528                 $objectdata = get_attached_data($body);
 529
 530                 if ($post["type"] == "link") {
 531                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 532                 } elseif ($post["type"] == "video") {
 533                         $objecttype = ACTIVITY_OBJ_VIDEO;
 534                 } elseif ($post["type"] == "photo") {
 535                         $objecttype = ACTIVITY_OBJ_IMAGE;
 536                 }
 537
 538         }
 539
 540         // Look for any tags and linkify them
 541         $str_tags = '';
 542         $inform   = '';
 543
 544         $tags = get_tags($body);
 545
 546         /*
 547          * add a statusnet style reply tag if the original post was from there
 548          * and we are replying, and there isn't one already
 549          */
 550         if ($parent && ($parent_contact['network'] == NETWORK_OSTATUS)) {
 551                 $contact = '@[url=' . $parent_contact['url'] . ']' . $parent_contact['nick'] . '[/url]';
 552
 553                 if (!in_array($contact, $tags)) {
 554                         $body = $contact . ' ' . $body;
 555                         $tags[] = $contact;
 556                 }
 557
 558                 $toplevel_contact = "";
 559                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 560                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 561                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 562                 if (DBM::is_result($toplevel_parent)) {
 563                         if (!empty($toplevel_parent[0]['addr'])) {
 564                                 $toplevel_contact = '@' . $toplevel_parent[0]['addr'];
 565                         } else {
 566                                 $toplevel_contact = '@' . $toplevel_parent[0]['nick'] . '+' . $toplevel_parent[0]['id'];
 567                         }
 568                 } else {
 569                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 570                         $toplevel_contact = '@[url=' . $toplevel_parent[0]['author-link'] . ']' . $toplevel_parent[0]['author-name'] . '[/url]';
 571                 }
 572
 573                 if (!in_array($toplevel_contact, $tags)) {
 574                         $tags[] = $toplevel_contact;
 575                 }
 576         }
 577
 578         $tagged = array();
 579
 580         $private_forum = false;
 581         $only_to_forum = false;
 582         $forum_contact = array();
 583
 584         if (count($tags)) {
 585                 foreach ($tags as $tag) {
 586
 587                         $tag_type = substr($tag, 0, 1);
 588
 589                         if ($tag_type == '#') {
 590                                 continue;
 591                         }
 592
 593                         /*
 594                          * If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 595                          * Robert Johnson should be first in the $tags array
 596                          */
 597                         $fullnametagged = false;
 598                         /// @TODO $tagged is initialized above if() block and is not filled, maybe old-lost code?
 599                         foreach ($tagged as $nextTag) {
 600                                 if (stristr($nextTag, $tag . ' ')) {
 601                                         $fullnametagged = true;
 602                                         break;
 603                                 }
 604                         }
 605                         if ($fullnametagged) {
 606                                 continue;
 607                         }
 608
 609                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 610                         if ($success['replaced']) {
 611                                 $tagged[] = $tag;
 612                         }
 613                         // When the forum is private or the forum is addressed with a "!" make the post private
 614                         if (is_array($success['contact']) && ($success['contact']['prv'] || ($tag_type == '!'))) {
 615                                 $private_forum = $success['contact']['prv'];
 616                                 $only_to_forum = ($tag_type == '!');
 617                                 $private_id = $success['contact']['id'];
 618                                 $forum_contact = $success['contact'];
 619                         } elseif (is_array($success['contact']) && $success['contact']['forum'] &&
 620                                 ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 621                                 $private_forum = false;
 622                                 $only_to_forum = true;
 623                                 $private_id = $success['contact']['id'];
 624                                 $forum_contact = $success['contact'];
 625                         }
 626                 }
 627         }
 628
 629         if (!$parent && count($forum_contact) && ($private_forum || $only_to_forum)) {
 630                 // we tagged a forum in a top level post. Now we change the post
 631                 $private = $private_forum;
 632
 633                 $str_group_allow = '';
 634                 $str_contact_deny = '';
 635                 $str_group_deny = '';
 636                 if ($private_forum) {
 637                         $str_contact_allow = '<' . $private_id . '>';
 638                 } else {
 639                         $str_contact_allow = '';
 640                 }
 641                 $contact_id = $private_id;
 642                 $contact_record = $forum_contact;
 643                 $_REQUEST['origin'] = false;
 644         }
 645
 646         $attachments = '';
 647         $match = false;
 648
 649         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 650                 foreach ($match[2] as $mtch) {
 651                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 652                                 intval($profile_uid),
 653                                 intval($mtch)
 654                         );
 655                         if (DBM::is_result($r)) {
 656                                 if (strlen($attachments)) {
 657                                         $attachments .= ',';
 658                                 }
 659                                 $attachments .= '[attach]href="' . System::baseUrl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . (($r[0]['filename']) ? $r[0]['filename'] : '') . '"[/attach]';
 660                         }
 661                         $body = str_replace($match[1],'',$body);
 662                 }
 663         }
 664
 665         $wall = 0;
 666
 667         if (($post_type === 'wall' || $post_type === 'wall-comment') && !count($forum_contact)) {
 668                 $wall = 1;
 669         }
 670
 671         if (! strlen($verb)) {
 672                 $verb = ACTIVITY_POST ;
 673         }
 674
 675         if ($network == "") {
 676                 $network = NETWORK_DFRN;
 677         }
 678
 679         $gravity = (($parent) ? 6 : 0 );
 680
 681         // even if the post arrived via API we are considering that it
 682         // originated on this site by default for determining relayability.
 683
 684         $origin = ((x($_REQUEST, 'origin')) ? intval($_REQUEST['origin']) : 1);
 685
 686         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 687
 688         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 689
 690         // Fallback so that we alway have a thr-parent
 691         if (!$thr_parent) {
 692                 $thr_parent = $uri;
 693         }
 694
 695         $datarray = array();
 696         $datarray['uid']           = $profile_uid;
 697         $datarray['type']          = $post_type;
 698         $datarray['wall']          = $wall;
 699         $datarray['gravity']       = $gravity;
 700         $datarray['network']       = $network;
 701         $datarray['contact-id']    = $contact_id;
 702         $datarray['owner-name']    = $contact_record['name'];
 703         $datarray['owner-link']    = $contact_record['url'];
 704         $datarray['owner-avatar']  = $contact_record['thumb'];
 705         $datarray['owner-id']      = get_contact($datarray['owner-link'], 0);
 706         $datarray['author-name']   = $author['name'];
 707         $datarray['author-link']   = $author['url'];
 708         $datarray['author-avatar'] = $author['thumb'];
 709         $datarray['author-id']     = get_contact($datarray['author-link'], 0);
 710         $datarray['created']       = datetime_convert();
 711         $datarray['edited']        = datetime_convert();
 712         $datarray['commented']     = datetime_convert();
 713         $datarray['received']      = datetime_convert();
 714         $datarray['changed']       = datetime_convert();
 715         $datarray['extid']         = $extid;
 716         $datarray['guid']          = $guid;
 717         $datarray['uri']           = $uri;
 718         $datarray['title']         = $title;
 719         $datarray['body']          = $body;
 720         $datarray['app']           = $app;
 721         $datarray['location']      = $location;
 722         $datarray['coord']         = $coord;
 723         $datarray['tag']           = $str_tags;
 724         $datarray['file']          = $categories;
 725         $datarray['inform']        = $inform;
 726         $datarray['verb']          = $verb;
 727         $datarray['object-type']   = $objecttype;
 728         $datarray['allow_cid']     = $str_contact_allow;
 729         $datarray['allow_gid']     = $str_group_allow;
 730         $datarray['deny_cid']      = $str_contact_deny;
 731         $datarray['deny_gid']      = $str_group_deny;
 732         $datarray['private']       = $private;
 733         $datarray['pubmail']       = $pubmail_enable;
 734         $datarray['attach']        = $attachments;
 735         $datarray['bookmark']      = intval($bookmark);
 736         $datarray['thr-parent']    = $thr_parent;
 737         $datarray['postopts']      = $postopts;
 738         $datarray['origin']        = $origin;
 739         $datarray['moderated']     = $allow_moderated;
 740         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 741                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 742         $datarray['object']        = $object;
 743
 744         /*
 745          * These fields are for the convenience of plugins...
 746          * 'self' if true indicates the owner is posting on their own wall
 747          * If parent is 0 it is a top-level post.
 748          */
 749         $datarray['parent']        = $parent;
 750         $datarray['self']          = $self;
 751 //      $datarray['prvnets']       = $user['prvnets'];
 752
 753         // This triggers posts via API and the mirror functions
 754         $datarray['api_source'] = $api_source;
 755
 756         $datarray['parent-uri'] = ($parent == 0) ? $uri : $parent_item['uri'];
 757         $datarray['plink'] = System::baseUrl() . '/display/' . urlencode($datarray['guid']);
 758         $datarray['last-child'] = 1;
 759         $datarray['visible'] = 1;
 760
 761         $datarray['protocol'] = PROTOCOL_DFRN;
 762
 763         $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $datarray['parent-uri']);
 764         if (DBM::is_result($r)) {
 765                 if ($r['conversation-uri'] != '') {
 766                         $datarray['conversation-uri'] = $r['conversation-uri'];
 767                 }
 768                 if ($r['conversation-href'] != '') {
 769                         $datarray['conversation-href'] = $r['conversation-href'];
 770                 }
 771         }
 772
 773         if ($orig_post) {
 774                 $datarray['edit'] = true;
 775         }
 776
 777         // Search for hashtags
 778         item_body_set_hashtags($datarray);
 779
 780         // preview mode - prepare the body for display and send it via json
 781         if ($preview) {
 782                 require_once 'include/conversation.php';
 783                 // We set the datarray ID to -1 because in preview mode the dataray
 784                 // doesn't have an ID.
 785                 $datarray["id"] = -1;
 786                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 787                 logger('preview: ' . $o);
 788                 echo json_encode(array('preview' => $o));
 789                 killme();
 790         }
 791
 792         call_hooks('post_local',$datarray);
 793
 794         if (x($datarray, 'cancel')) {
 795                 logger('mod_item: post cancelled by plugin.');
 796                 if ($return_path) {
 797                         goaway($return_path);
 798                 }
 799
 800                 $json = array('cancel' => 1);
 801                 if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
 802                         $json['reload'] = System::baseUrl() . '/' . $_REQUEST['jsreload'];
 803                 }
 804
 805                 echo json_encode($json);
 806                 killme();
 807         }
 808
 809         // Fill the cache field
 810         put_item_in_cache($datarray);
 811
 812         $datarray = store_conversation($datarray);
 813
 814         if ($orig_post) {
 815                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 816                         dbesc($datarray['title']),
 817                         dbesc($datarray['body']),
 818                         dbesc($datarray['tag']),
 819                         dbesc($datarray['attach']),
 820                         dbesc($datarray['file']),
 821                         dbesc($datarray['rendered-html']),
 822                         dbesc($datarray['rendered-hash']),
 823                         dbesc(datetime_convert()),
 824                         dbesc(datetime_convert()),
 825                         intval($post_id),
 826                         intval($profile_uid)
 827                 );
 828
 829                 create_tags_from_item($post_id);
 830                 create_files_from_item($post_id);
 831                 update_thread($post_id);
 832
 833                 // update filetags in pconfig
 834                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 835
 836                 Worker::add(PRIORITY_HIGH, "notifier", 'edit_post', $post_id);
 837                 if ((x($_REQUEST, 'return')) && strlen($return_path)) {
 838                         logger('return: ' . $return_path);
 839                         goaway($return_path);
 840                 }
 841                 killme();
 842         } else {
 843                 $post_id = 0;
 844         }
 845
 846         dba::transaction();
 847
 848         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,
 849                                         `owner-name`,`owner-link`,`owner-avatar`, `owner-id`,
 850                                         `author-name`, `author-link`, `author-avatar`, `author-id`,
 851                                         `created`, `edited`, `commented`, `received`, `changed`,
 852                                         `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 853                                         `tag`, `inform`, `verb`, `object-type`, `postopts`,
 854                                         `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`,
 855                                         `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`,
 856                                         `rendered-html`, `rendered-hash`, `gcontact-id`, `object`,
 857                                         `parent`, `parent-uri`, `plink`, `last-child`, `visible`)
 858                 VALUES('%s', '%s', %d, '%s', %d, %d, '%s', %d,
 859                         '%s', '%s', '%s', %d,
 860                         '%s', '%s', '%s', %d,
 861                         '%s', '%s', '%s', '%s', '%s',
 862                         '%s', '%s', '%s', '%s', '%s', '%s', '%s',
 863                         '%s', '%s', '%s', '%s', '%s',
 864                         '%s', '%s', '%s', '%s', %d,
 865                         %d, '%s', %d, %d, %d, '%s',
 866                         '%s', '%s', %d, '%s',
 867                         %d, '%s', '%s', %d, %d)",
 868                 dbesc($datarray['guid']),
 869                 dbesc($datarray['extid']),
 870                 intval($datarray['uid']),
 871                 dbesc($datarray['type']),
 872                 intval($datarray['wall']),
 873                 intval($datarray['gravity']),
 874                 dbesc($datarray['network']),
 875                 intval($datarray['contact-id']),
 876                 dbesc($datarray['owner-name']),
 877                 dbesc($datarray['owner-link']),
 878                 dbesc($datarray['owner-avatar']),
 879                 intval($datarray['owner-id']),
 880                 dbesc($datarray['author-name']),
 881                 dbesc($datarray['author-link']),
 882                 dbesc($datarray['author-avatar']),
 883                 intval($datarray['author-id']),
 884                 dbesc($datarray['created']),
 885                 dbesc($datarray['edited']),
 886                 dbesc($datarray['commented']),
 887                 dbesc($datarray['received']),
 888                 dbesc($datarray['changed']),
 889                 dbesc($datarray['uri']),
 890                 dbesc($datarray['thr-parent']),
 891                 dbesc($datarray['title']),
 892                 dbesc($datarray['body']),
 893                 dbesc($datarray['app']),
 894                 dbesc($datarray['location']),
 895                 dbesc($datarray['coord']),
 896                 dbesc($datarray['tag']),
 897                 dbesc($datarray['inform']),
 898                 dbesc($datarray['verb']),
 899                 dbesc($datarray['object-type']),
 900                 dbesc($datarray['postopts']),
 901                 dbesc($datarray['allow_cid']),
 902                 dbesc($datarray['allow_gid']),
 903                 dbesc($datarray['deny_cid']),
 904                 dbesc($datarray['deny_gid']),
 905                 intval($datarray['private']),
 906                 intval($datarray['pubmail']),
 907                 dbesc($datarray['attach']),
 908                 intval($datarray['bookmark']),
 909                 intval($datarray['origin']),
 910                 intval($datarray['moderated']),
 911                 dbesc($datarray['file']),
 912                 dbesc($datarray['rendered-html']),
 913                 dbesc($datarray['rendered-hash']),
 914                 intval($datarray['gcontact-id']),
 915                 dbesc($datarray['object']),
 916                 intval($datarray['parent']),
 917                 dbesc($datarray['parent-uri']),
 918                 dbesc($datarray['plink']),
 919                 intval($datarray['last-child']),
 920                 intval($datarray['visible'])
 921         );
 922
 923         if (DBM::is_result($r)) {
 924                 $post_id = dba::lastInsertId();
 925         } else {
 926                 logger('mod_item: unable to create post.');
 927                 $post_id = 0;
 928         }
 929
 930         if ($post_id == 0) {
 931                 dba::commit();
 932                 logger('mod_item: unable to retrieve post that was just stored.');
 933                 notice(t('System error. Post not saved.') . EOL);
 934                 goaway($return_path);
 935                 // NOTREACHED
 936         }
 937
 938         logger('mod_item: saved item ' . $post_id);
 939
 940         $datarray["id"] = $post_id;
 941
 942         item_set_last_item($datarray);
 943
 944         // update filetags in pconfig
 945         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 946
 947         if ($parent) {
 948
 949                 // This item is the last leaf and gets the comment box, clear any ancestors
 950                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d AND `last-child` AND `id` != %d",
 951                         dbesc(datetime_convert()),
 952                         intval($parent),
 953                         intval($post_id)
 954                 );
 955
 956                 // update the commented timestamp on the parent
 957                 q("UPDATE `item` SET `visible` = 1, `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 958                         dbesc(datetime_convert()),
 959                         dbesc(datetime_convert()),
 960                         intval($parent)
 961                 );
 962
 963                 if ($contact_record != $author) {
 964                         notification(array(
 965                                 'type'         => NOTIFY_COMMENT,
 966                                 'notify_flags' => $user['notify-flags'],
 967                                 'language'     => $user['language'],
 968                                 'to_name'      => $user['username'],
 969                                 'to_email'     => $user['email'],
 970                                 'uid'          => $user['uid'],
 971                                 'item'         => $datarray,
 972                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
 973                                 'source_name'  => $datarray['author-name'],
 974                                 'source_link'  => $datarray['author-link'],
 975                                 'source_photo' => $datarray['author-avatar'],
 976                                 'verb'         => ACTIVITY_POST,
 977                                 'otype'        => 'item',
 978                                 'parent'       => $parent,
 979                                 'parent_uri'   => $parent_item['uri']
 980                         ));
 981
 982                 }
 983
 984
 985                 // Store the comment signature information in case we need to relay to Diaspora
 986                 Diaspora::store_comment_signature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
 987
 988         } else {
 989                 $parent = $post_id;
 990
 991                 $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
 992                         intval($parent),
 993                         intval($post_id));
 994
 995                 if (($contact_record != $author) && !count($forum_contact)) {
 996                         notification(array(
 997                                 'type'         => NOTIFY_WALL,
 998                                 'notify_flags' => $user['notify-flags'],
 999                                 'language'     => $user['language'],
1000                                 'to_name'      => $user['username'],
1001                                 'to_email'     => $user['email'],
1002                                 'uid'          => $user['uid'],
1003                                 'item'         => $datarray,
1004                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
1005                                 'source_name'  => $datarray['author-name'],
1006                                 'source_link'  => $datarray['author-link'],
1007                                 'source_photo' => $datarray['author-avatar'],
1008                                 'verb'         => ACTIVITY_POST,
1009                                 'otype'        => 'item'
1010                         ));
1011                 }
1012         }
1013
1014         call_hooks('post_local_end', $datarray);
1015
1016         if (strlen($emailcc) && $profile_uid == local_user()) {
1017                 $erecips = explode(',', $emailcc);
1018                 if (count($erecips)) {
1019                         foreach ($erecips as $recip) {
1020                                 $addr = trim($recip);
1021                                 if (! strlen($addr)) {
1022                                         continue;
1023                                 }
1024                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username'])
1025                                         . '<br />';
1026                                 $disclaimer .= sprintf( t('You may visit them online at %s'), System::baseUrl() . '/profile/' . $a->user['nickname']) . EOL;
1027                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
1028                                 if (!$datarray['title']=='') {
1029                                         $subject = email_header_encode($datarray['title'], 'UTF-8');
1030                                 } else {
1031                                         $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'), $a->user['username']), 'UTF-8');
1032                                 }
1033                                 $link = '<a href="' . System::baseUrl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
1034                                 $html    = prepare_body($datarray);
1035                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
1036                                 include_once 'include/html2plain.php';
1037                                 $params = array (
1038                                     'fromName' => $a->user['username'],
1039                                     'fromEmail' => $a->user['email'],
1040                                     'toEmail' => $addr,
1041                                     'replyTo' => $a->user['email'],
1042                                     'messageSubject' => $subject,
1043                                     'htmlVersion' => $message,
1044                                     'textVersion' => html2plain($html.$disclaimer),
1045                                 );
1046                                 Emailer::send($params);
1047                         }
1048                 }
1049         }
1050
1051         if ($post_id == $parent) {
1052                 add_thread($post_id);
1053         } else {
1054                 update_thread($parent, true);
1055         }
1056
1057         dba::commit();
1058
1059         create_tags_from_item($post_id);
1060         create_files_from_item($post_id);
1061
1062         // Insert an item entry for UID=0 for global entries.
1063         // We now do it in the background to save some time.
1064         // This is important in interactive environments like the frontend or the API.
1065         // We don't fork a new process since this is done anyway with the following command
1066         Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "create_shadowentry", $post_id);
1067
1068         // Call the background process that is delivering the item to the receivers
1069         Worker::add(PRIORITY_HIGH, "notifier", $notify_type, $post_id);
1070
1071         logger('post_complete');
1072
1073         item_post_return(System::baseUrl(), $api_source, $return_path);
1074         // NOTREACHED
1075 }
1076
1077 function item_post_return($baseurl, $api_source, $return_path) {
1078         // figure out how to return, depending on from whence we came
1079
1080         if ($api_source) {
1081                 return;
1082         }
1083
1084         if ($return_path) {
1085                 goaway($return_path);
1086         }
1087
1088         $json = array('success' => 1);
1089         if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
1090                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1091         }
1092
1093         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1094
1095         echo json_encode($json);
1096         killme();
1097 }
1098
1099
1100
1101 function item_content(App $a) {
1102
1103         if ((! local_user()) && (! remote_user())) {
1104                 return;
1105         }
1106
1107         require_once 'include/security.php';
1108
1109         $o = '';
1110         if (($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1111                 $o = drop_item($a->argv[2], !is_ajax());
1112                 if (is_ajax()) {
1113                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1114                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1115                         killme();
1116                 }
1117         }
1118         return $o;
1119 }
1120
1121 /**
1122  * This function removes the tag $tag from the text $body and replaces it with
1123  * the appropiate link.
1124  *
1125  * @param App $a Application instance @TODO is unused in this function's scope (excluding included files)
1126  * @param unknown_type $body the text to replace the tag in
1127  * @param string $inform a comma-seperated string containing everybody to inform
1128  * @param string $str_tags string to add the tag to
1129  * @param integer $profile_uid
1130  * @param string $tag the tag to replace
1131  * @param string $network The network of the post
1132  *
1133  * @return boolean true if replaced, false if not replaced
1134  */
1135 function handle_tag(App $a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1136         require_once 'include/socgraph.php';
1137
1138         $replaced = false;
1139         $r = null;
1140         $tag_type = '@';
1141
1142         //is it a person tag?
1143         if ((strpos($tag, '@') === 0) || (strpos($tag, '!') === 0)) {
1144                 $tag_type = substr($tag, 0, 1);
1145                 //is it already replaced?
1146                 if (strpos($tag, '[url=')) {
1147                         //append tag to str_tags
1148                         if (!stristr($str_tags, $tag)) {
1149                                 if (strlen($str_tags)) {
1150                                         $str_tags .= ',';
1151                                 }
1152                                 $str_tags .= $tag;
1153                         }
1154
1155                         // Checking for the alias that is used for OStatus
1156                         $pattern = "/[@!]\[url\=(.*?)\](.*?)\[\/url\]/ism";
1157                         if (preg_match($pattern, $tag, $matches)) {
1158
1159                                 $r = q("SELECT `alias`, `name` FROM `contact` WHERE `nurl` = '%s' AND `alias` != '' AND `uid` = 0",
1160                                         normalise_link($matches[1]));
1161                                 if (!DBM::is_result($r)) {
1162                                         $r = q("SELECT `alias`, `name` FROM `gcontact` WHERE `nurl` = '%s' AND `alias` != ''",
1163                                                 normalise_link($matches[1]));
1164                                 }
1165                                 if (DBM::is_result($r)) {
1166                                         $data = $r[0];
1167                                 } else {
1168                                         $data = Probe::uri($matches[1]);
1169                                 }
1170
1171                                 if ($data["alias"] != "") {
1172                                         $newtag = '@[url=' . $data["alias"] . ']' . $data["name"] . '[/url]';
1173                                         if (!stristr($str_tags, $newtag)) {
1174                                                 if (strlen($str_tags)) {
1175                                                         $str_tags .= ',';
1176                                                 }
1177                                                 $str_tags .= $newtag;
1178                                         }
1179                                 }
1180                         }
1181
1182                         return $replaced;
1183                 }
1184                 $stat = false;
1185                 //get the person's name
1186                 $name = substr($tag, 1);
1187
1188                 // Sometimes the tag detection doesn't seem to work right
1189                 // This is some workaround
1190                 $nameparts = explode(" ", $name);
1191                 $name = $nameparts[0];
1192
1193                 // Try to detect the contact in various ways
1194                 if ((strpos($name, '@')) || (strpos($name, 'http://'))) {
1195                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1196
1197                         // First check the contact table for the address
1198                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1199                                 WHERE `addr` = '%s' AND `uid` = %d AND
1200                                         (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1201                                 LIMIT 1",
1202                                         dbesc($name),
1203                                         intval($profile_uid),
1204                                         dbesc(NETWORK_OSTATUS)
1205                         );
1206
1207                         // Then check in the contact table for the url
1208                         if (!DBM::is_result($r)) {
1209                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1210                                         WHERE `nurl` = '%s' AND `uid` = %d AND
1211                                                 (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1212                                         LIMIT 1",
1213                                                 dbesc(normalise_link($name)),
1214                                                 intval($profile_uid),
1215                                                 dbesc(NETWORK_OSTATUS)
1216                                 );
1217                         }
1218
1219                         // Then check in the global contacts for the address
1220                         if (!DBM::is_result($r)) {
1221                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1222                                         WHERE `addr` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1223                                         LIMIT 1",
1224                                                 dbesc($name),
1225                                                 dbesc(NETWORK_OSTATUS)
1226                                 );
1227                         }
1228
1229                         // Then check in the global contacts for the url
1230                         if (!DBM::is_result($r)) {
1231                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1232                                         WHERE `nurl` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1233                                         LIMIT 1",
1234                                                 dbesc(normalise_link($name)),
1235                                                 dbesc(NETWORK_OSTATUS)
1236                                 );
1237                         }
1238
1239                         if (!DBM::is_result($r)) {
1240                                 $probed = Probe::uri($name);
1241                                 if ($result['network'] != NETWORK_PHANTOM) {
1242                                         update_gcontact($probed);
1243                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1244                                                 dbesc(normalise_link($probed["url"])));
1245                                 }
1246                         }
1247                 } else {
1248                         $r = false;
1249                         if (strrpos($name, '+')) {
1250                                 // Is it in format @nick+number?
1251                                 $tagcid = intval(substr($name, strrpos($name, '+') + 1));
1252
1253                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1254                                                 intval($tagcid),
1255                                                 intval($profile_uid)
1256                                 );
1257                         }
1258
1259                         // select someone by attag or nick and the name passed in the current network
1260                         if(!DBM::is_result($r) && ($network != ""))
1261                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1262                                                 dbesc($name),
1263                                                 dbesc($name),
1264                                                 dbesc($network),
1265                                                 intval($profile_uid)
1266                                 );
1267
1268                         //select someone from this user's contacts by name in the current network
1269                         if (!DBM::is_result($r) && ($network != "")) {
1270                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1271                                                 dbesc($name),
1272                                                 dbesc($network),
1273                                                 intval($profile_uid)
1274                                 );
1275                         }
1276
1277                         // select someone by attag or nick and the name passed in
1278                         if(!DBM::is_result($r)) {
1279                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1280                                                 dbesc($name),
1281                                                 dbesc($name),
1282                                                 intval($profile_uid)
1283                                 );
1284                         }
1285
1286                         // select someone from this user's contacts by name
1287                         if(!DBM::is_result($r)) {
1288                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1289                                                 dbesc($name),
1290                                                 intval($profile_uid)
1291                                 );
1292                         }
1293                 }
1294
1295                 if (DBM::is_result($r)) {
1296                         if (strlen($inform) && (isset($r[0]["notify"]) || isset($r[0]["id"]))) {
1297                                 $inform .= ',';
1298                         }
1299
1300                         if (isset($r[0]["id"])) {
1301                                 $inform .= 'cid:' . $r[0]["id"];
1302                         } elseif (isset($r[0]["notify"])) {
1303                                 $inform  .= $r[0]["notify"];
1304                         }
1305
1306                         $profile = $r[0]["url"];
1307                         $alias   = $r[0]["alias"];
1308                         $newname = $r[0]["nick"];
1309                         if (($newname == "") || (($r[0]["network"] != NETWORK_OSTATUS) && ($r[0]["network"] != NETWORK_TWITTER)
1310                                 && ($r[0]["network"] != NETWORK_STATUSNET) && ($r[0]["network"] != NETWORK_APPNET))) {
1311                                 $newname = $r[0]["name"];
1312                         }
1313                 }
1314
1315                 //if there is an url for this persons profile
1316                 if (isset($profile) && ($newname != "")) {
1317                         $replaced = true;
1318                         // create profile link
1319                         $profile = str_replace(',', '%2c', $profile);
1320                         $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
1321                         $body = str_replace($tag_type . $name, $newtag, $body);
1322                         // append tag to str_tags
1323                         if (! stristr($str_tags, $newtag)) {
1324                                 if (strlen($str_tags)) {
1325                                         $str_tags .= ',';
1326                                 }
1327                                 $str_tags .= $newtag;
1328                         }
1329
1330                         /*
1331                          * Status.Net seems to require the numeric ID URL in a mention if the person isn't
1332                          * subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1333                          */
1334                         if (strlen($alias)) {
1335                                 $newtag = '@[url=' . $alias . ']' . $newname . '[/url]';
1336                                 if (! stristr($str_tags, $newtag)) {
1337                                         if (strlen($str_tags)) {
1338                                                 $str_tags .= ',';
1339                                         }
1340                                         $str_tags .= $newtag;
1341                                 }
1342                         }
1343                 }
1344         }
1345
1346         return array('replaced' => $replaced, 'contact' => $r[0]);
1347 }