mod/item.php

   1 <?php
   2
   3 /**
   4  *
   5  * This is the POST destination for most all locally posted
   6  * text stuff. This function handles status, wall-to-wall status,
   7  * local comments, and remote coments that are posted on this site
   8  * (as opposed to being delivered in a feed).
   9  * Also processed here are posts and comments coming through the
  10  * statusnet/twitter API.
  11  * All of these become an "item" which is our basic unit of
  12  * information.
  13  * Posts that originate externally or do not fall into the above
  14  * posting categories go through item_store() instead of this function.
  15  *
  16  */
  17
  18 require_once('include/crypto.php');
  19 require_once('include/enotify.php');
  20 require_once('include/email.php');
  21 require_once('include/tags.php');
  22 require_once('include/files.php');
  23 require_once('include/threads.php');
  24 require_once('include/text.php');
  25 require_once('include/items.php');
  26 require_once('include/Scrape.php');
  27 require_once('include/diaspora.php');
  28
  29 function item_post(&$a) {
  30
  31         if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
  32                 return;
  33
  34         require_once('include/security.php');
  35
  36         $uid = local_user();
  37
  38         if(x($_REQUEST,'dropitems')) {
  39                 $arr_drop = explode(',',$_REQUEST['dropitems']);
  40                 drop_items($arr_drop);
  41                 $json = array('success' => 1);
  42                 echo json_encode($json);
  43                 killme();
  44         }
  45
  46         call_hooks('post_local_start', $_REQUEST);
  47 //      logger('postinput ' . file_get_contents('php://input'));
  48         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  49
  50         $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
  51
  52         $message_id = ((x($_REQUEST,'message_id') && $api_source)  ? strip_tags($_REQUEST['message_id'])       : '');
  53
  54         $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
  55         $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
  56
  57
  58         // Check for doubly-submitted posts, and reject duplicates
  59         // Note that we have to ignore previews, otherwise nothing will post
  60         // after it's been previewed
  61         if(!$preview && x($_REQUEST['post_id_random'])) {
  62                 if(x($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  63                         logger("item post: duplicate post", LOGGER_DEBUG);
  64                         item_post_return($a->get_baseurl(), $api_source, $return_path);
  65                 }
  66                 else
  67                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  68         }
  69
  70         /**
  71          * Is this a reply to something?
  72          */
  73
  74         $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
  75         $parent_uri = ((x($_REQUEST,'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  76
  77         $parent_item = null;
  78         $parent_contact = null;
  79         $thr_parent = '';
  80         $parid = 0;
  81         $r = false;
  82         $objecttype = null;
  83
  84         if($parent || $parent_uri) {
  85
  86                 $objecttype = ACTIVITY_OBJ_COMMENT;
  87
  88                 if(! x($_REQUEST,'type'))
  89                         $_REQUEST['type'] = 'net-comment';
  90
  91                 if($parent) {
  92                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  93                                 intval($parent)
  94                         );
  95                 } elseif($parent_uri && local_user()) {
  96                         // This is coming from an API source, and we are logged in
  97                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  98                                 dbesc($parent_uri),
  99                                 intval(local_user())
 100                         );
 101                 }
 102
 103                 // if this isn't the real parent of the conversation, find it
 104                 if($r !== false && count($r)) {
 105                         $parid = $r[0]['parent'];
 106                         $parent_uri = $r[0]['uri'];
 107                         if($r[0]['id'] != $r[0]['parent']) {
 108                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 109                                         intval($parid)
 110                                 );
 111                         }
 112                 }
 113
 114                 if(($r === false) || (! count($r))) {
 115                         notice( t('Unable to locate original post.') . EOL);
 116                         if(x($_REQUEST,'return'))
 117                                 goaway($a->get_baseurl() . "/" . $return_path );
 118                         killme();
 119                 }
 120                 $parent_item = $r[0];
 121                 $parent = $r[0]['id'];
 122
 123                 // multi-level threading - preserve the info but re-parent to our single level threading
 124                 //if(($parid) && ($parid != $parent))
 125                 $thr_parent = $parent_uri;
 126
 127                 if($parent_item['contact-id'] && $uid) {
 128                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 129                                 intval($parent_item['contact-id']),
 130                                 intval($uid)
 131                         );
 132                         if(count($r))
 133                                 $parent_contact = $r[0];
 134
 135                         // If the contact id doesn't fit with the contact, then set the contact to null
 136                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 137                         if (count($thrparent) AND ($thrparent[0]["network"] === NETWORK_OSTATUS)
 138                                 AND (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 139                                 $parent_contact = null;
 140
 141                                 $r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 142                                         dbesc(normalise_link($thrparent[0]["author-link"])));
 143                                 if (count($r)) {
 144                                         $parent_contact = $r[0];
 145                                         $parent_contact["thumb"] = $parent_contact["photo"];
 146                                         $parent_contact["micro"] = $parent_contact["photo"];
 147                                         unset($parent_contact["id"]);
 148                                 }
 149
 150                                 if (!isset($parent_contact["nick"])) {
 151                                         require_once("include/Scrape.php");
 152                                         $probed_contact = probe_url($thrparent[0]["author-link"]);
 153                                         if ($probed_contact["network"] != NETWORK_FEED) {
 154                                                 $parent_contact = $probed_contact;
 155                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 156                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 157                                                 $parent_contact["micro"] = $probed_contact["photo"];
 158                                                 $parent_contact["addr"] = $probed_contact["addr"];
 159                                         }
 160                                 }
 161                                 logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 162                         } else
 163                                 logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 164
 165                         if ($parent_contact["nick"] == "")
 166                                 $parent_contact["nick"] = $parent_contact["name"];
 167                 }
 168         }
 169
 170         if($parent) logger('mod_item: item_post parent=' . $parent);
 171
 172         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 173         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 174         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 175         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])  : '');
 176
 177         $allow_moderated = false;
 178
 179         // here is where we are going to check for permission to post a moderated comment.
 180
 181         // First check that the parent exists and it is a wall item.
 182
 183         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 184                 notice( t('Permission denied.') . EOL) ;
 185                 if(x($_REQUEST,'return'))
 186                         goaway($a->get_baseurl() . "/" . $return_path );
 187                 killme();
 188         }
 189
 190         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 191         // have been provided, and run any anti-spam plugins
 192
 193
 194
 195         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 196                 notice( t('Permission denied.') . EOL) ;
 197                 if(x($_REQUEST,'return'))
 198                         goaway($a->get_baseurl() . "/" . $return_path );
 199                 killme();
 200         }
 201
 202
 203         // is this an edited post?
 204
 205         $orig_post = null;
 206
 207         if($post_id) {
 208                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 209                         intval($profile_uid),
 210                         intval($post_id)
 211                 );
 212                 if(! count($i))
 213                         killme();
 214                 $orig_post = $i[0];
 215         }
 216
 217         $user = null;
 218
 219         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 220                 intval($profile_uid)
 221         );
 222         if(count($r))
 223                 $user = $r[0];
 224
 225         if($orig_post) {
 226                 $str_group_allow   = $orig_post['allow_gid'];
 227                 $str_contact_allow = $orig_post['allow_cid'];
 228                 $str_group_deny    = $orig_post['deny_gid'];
 229                 $str_contact_deny  = $orig_post['deny_cid'];
 230                 $location          = $orig_post['location'];
 231                 $coord             = $orig_post['coord'];
 232                 $verb              = $orig_post['verb'];
 233                 $objecttype        = $orig_post['object-type'];
 234                 $emailcc           = $orig_post['emailcc'];
 235                 $app               = $orig_post['app'];
 236                 $categories        = $orig_post['file'];
 237                 $title             = notags(trim($_REQUEST['title']));
 238                 $body              = escape_tags(trim($_REQUEST['body']));
 239                 $private           = $orig_post['private'];
 240                 $pubmail_enable    = $orig_post['pubmail'];
 241                 $network           = $orig_post['network'];
 242                 $guid              = $orig_post['guid'];
 243                 $extid             = $orig_post['extid'];
 244
 245         } else {
 246
 247                 // if coming from the API and no privacy settings are set,
 248                 // use the user default permissions - as they won't have
 249                 // been supplied via a form.
 250
 251                 if(($api_source)
 252                         && (! array_key_exists('contact_allow',$_REQUEST))
 253                         && (! array_key_exists('group_allow',$_REQUEST))
 254                         && (! array_key_exists('contact_deny',$_REQUEST))
 255                         && (! array_key_exists('group_deny',$_REQUEST))) {
 256                         $str_group_allow   = $user['allow_gid'];
 257                         $str_contact_allow = $user['allow_cid'];
 258                         $str_group_deny    = $user['deny_gid'];
 259                         $str_contact_deny  = $user['deny_cid'];
 260                 }
 261                 else {
 262
 263                         // use the posted permissions
 264
 265                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 266                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 267                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 268                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 269                 }
 270
 271                 $title             = notags(trim($_REQUEST['title']));
 272                 $location          = notags(trim($_REQUEST['location']));
 273                 $coord             = notags(trim($_REQUEST['coord']));
 274                 $verb              = notags(trim($_REQUEST['verb']));
 275                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 276                 $body              = escape_tags(trim($_REQUEST['body']));
 277                 $network           = notags(trim($_REQUEST['network']));
 278                 $guid              = get_guid(32);
 279
 280
 281                 item_add_language_opt($_REQUEST);
 282                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 283
 284
 285                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 286
 287
 288                 if($user['hidewall'])
 289                         $private = 2;
 290
 291                 // If this is a comment, set the permissions from the parent.
 292
 293                 if($parent_item) {
 294                         $private = 0;
 295
 296                         // for non native networks use the network of the original post as network of the item
 297                         if (($parent_item['network'] != NETWORK_DIASPORA)
 298                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 299                                 AND ($network == ""))
 300                                 $network = $parent_item['network'];
 301
 302                         if(($parent_item['private'])
 303                                 || strlen($parent_item['allow_cid'])
 304                                 || strlen($parent_item['allow_gid'])
 305                                 || strlen($parent_item['deny_cid'])
 306                                 || strlen($parent_item['deny_gid'])) {
 307                                 $private = (($parent_item['private']) ? $parent_item['private'] : 1);
 308                         }
 309
 310                         $str_contact_allow = $parent_item['allow_cid'];
 311                         $str_group_allow   = $parent_item['allow_gid'];
 312                         $str_contact_deny  = $parent_item['deny_cid'];
 313                         $str_group_deny    = $parent_item['deny_gid'];
 314                 }
 315                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 316
 317                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 318
 319                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 320                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 321                         if(! $mail_disabled) {
 322                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 323                                         intval(local_user())
 324                                 );
 325                                 if(count($r) && intval($r[0]['pubmail']))
 326                                         $pubmail_enabled = true;
 327                         }
 328                 }
 329
 330                 if(! strlen($body)) {
 331                         if($preview)
 332                                 killme();
 333                         info( t('Empty post discarded.') . EOL );
 334                         if(x($_REQUEST,'return'))
 335                                 goaway($a->get_baseurl() . "/" . $return_path );
 336                         killme();
 337                 }
 338         }
 339
 340         if(strlen($categories)) {
 341                 // get the "fileas" tags for this post
 342                 $filedas = file_tag_file_to_list($categories, 'file');
 343         }
 344         // save old and new categories, so we can determine what needs to be deleted from pconfig
 345         $categories_old = $categories;
 346         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 347         $categories_new = $categories;
 348         if(strlen($filedas)) {
 349                 // append the fileas stuff to the new categories list
 350                 $categories .= file_tag_list_to_file($filedas, 'file');
 351         }
 352
 353         // Work around doubled linefeeds in Tinymce 3.5b2
 354         // First figure out if it's a status post that would've been
 355         // created using tinymce. Otherwise leave it alone.
 356
 357 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 358         if((! $parent) && (! $api_source) && (! $plaintext)) {
 359                 $body = fix_mce_lf($body);
 360         }*/
 361         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 362         if((! $parent) && (! $api_source) && (! $plaintext)) {
 363                 $body = fix_mce_lf($body);
 364         }
 365
 366
 367         // get contact info for poster
 368
 369         $author = null;
 370         $self   = false;
 371         $contact_id = 0;
 372
 373         if((local_user()) && (local_user() == $profile_uid)) {
 374                 $self = true;
 375                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 376                         intval($_SESSION['uid']));
 377         }
 378         elseif(remote_user()) {
 379                 if(is_array($_SESSION['remote'])) {
 380                         foreach($_SESSION['remote'] as $v) {
 381                                 if($v['uid'] == $profile_uid) {
 382                                         $contact_id = $v['cid'];
 383                                         break;
 384                                 }
 385                         }
 386                 }
 387                 if($contact_id) {
 388                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 389                                 intval($contact_id)
 390                         );
 391                 }
 392         }
 393
 394         if(count($r)) {
 395                 $author = $r[0];
 396                 $contact_id = $author['id'];
 397         }
 398
 399         // get contact info for owner
 400
 401         if($profile_uid == local_user()) {
 402                 $contact_record = $author;
 403         }
 404         else {
 405                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 406                         intval($profile_uid)
 407                 );
 408                 if(count($r))
 409                         $contact_record = $r[0];
 410         }
 411
 412         $post_type = notags(trim($_REQUEST['type']));
 413
 414         if($post_type === 'net-comment') {
 415                 if($parent_item !== null) {
 416                         if($parent_item['wall'] == 1)
 417                                 $post_type = 'wall-comment';
 418                         else
 419                                 $post_type = 'remote-comment';
 420                 }
 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
 435         $match = null;
 436
 437         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 438                 $images = $match[2];
 439                 if(count($images)) {
 440
 441                         $objecttype = ACTIVITY_OBJ_IMAGE;
 442
 443                         foreach($images as $image) {
 444                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 445                                         continue;
 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                                 $srch = '<' . intval($contact_id) . '>';
 451
 452                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 453                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 454                                         dbesc($srch),
 455                                         dbesc($image_uri),
 456                                         intval($profile_uid)
 457                                 );
 458
 459                                 if(! count($r))
 460                                         continue;
 461
 462
 463                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 464                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 465                                         dbesc($str_contact_allow),
 466                                         dbesc($str_group_allow),
 467                                         dbesc($str_contact_deny),
 468                                         dbesc($str_group_deny),
 469                                         dbesc($image_uri),
 470                                         intval($profile_uid),
 471                                         dbesc( t('Wall Photos'))
 472                                 );
 473
 474                         }
 475                 }
 476         }
 477
 478
 479         /**
 480          * Next link in any attachment references we find in the post.
 481          */
 482
 483         $match = false;
 484
 485         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 486                 $attaches = $match[1];
 487                 if(count($attaches)) {
 488                         foreach($attaches as $attach) {
 489                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 490                                         intval($profile_uid),
 491                                         intval($attach)
 492                                 );
 493                                 if(count($r)) {
 494                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 495                                                 WHERE `uid` = %d AND `id` = %d",
 496                                                 dbesc($str_contact_allow),
 497                                                 dbesc($str_group_allow),
 498                                                 dbesc($str_contact_deny),
 499                                                 dbesc($str_group_deny),
 500                                                 intval($profile_uid),
 501                                                 intval($attach)
 502                                         );
 503                                 }
 504                         }
 505                 }
 506         }
 507
 508         // embedded bookmark or attachment in post? set bookmark flag
 509
 510         $bookmark = 0;
 511         $data = get_attachment_data($body);
 512         if (preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) OR isset($data["type"])) {
 513                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 514                 $bookmark = 1;
 515         }
 516
 517         $body = bb_translate_video($body);
 518
 519
 520         /**
 521          * Fold multi-line [code] sequences
 522          */
 523
 524         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 525
 526         $body = scale_external_images($body,false);
 527
 528
 529         // Setting the object type if not defined before
 530         if (!$objecttype) {
 531                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 532                 require_once("include/plaintext.php");
 533                 $objectdata = get_attached_data($body);
 534
 535                 if ($post["type"] == "link")
 536                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 537                 elseif ($post["type"] == "video")
 538                         $objecttype = ACTIVITY_OBJ_VIDEO;
 539                 elseif ($post["type"] == "photo")
 540                         $objecttype = ACTIVITY_OBJ_IMAGE;
 541
 542         }
 543
 544         /**
 545          * Look for any tags and linkify them
 546          */
 547
 548         $str_tags = '';
 549         $inform   = '';
 550
 551
 552         $tags = get_tags($body);
 553
 554         /**
 555          * add a statusnet style reply tag if the original post was from there
 556          * and we are replying, and there isn't one already
 557          */
 558
 559         if($parent AND ($parent_contact['network'] === NETWORK_OSTATUS)) {
 560                 if ($parent_contact['id'] != "")
 561                         $contact = '@'.$parent_contact['nick'].'+'.$parent_contact['id'];
 562                 else
 563                         $contact = '@[url='.$parent_contact['url'].']'.$parent_contact['nick'].'[/url]';
 564
 565                 if (!in_array($contact,$tags)) {
 566                         $body = $contact.' '.$body;
 567                         $tags[] = $contact;
 568                 }
 569
 570                 $toplevel_contact = "";
 571                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 572                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 573                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 574                 if ($toplevel_parent)
 575                         $toplevel_contact = '@'.$toplevel_parent[0]['nick'].'+'.$toplevel_parent[0]['id'];
 576                 else {
 577                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 578                         $toplevel_contact = '@[url='.$toplevel_parent[0]['author-link'].']'.$toplevel_parent[0]['author-name'].'[/url]';
 579                 }
 580
 581                 if (!in_array($toplevel_contact,$tags))
 582                         $tags[] = $toplevel_contact;
 583         }
 584
 585         $tagged = array();
 586
 587         $private_forum = false;
 588
 589         if(count($tags)) {
 590                 foreach($tags as $tag) {
 591
 592                         if(strpos($tag,'#') === 0)
 593                                 continue;
 594
 595                         // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 596                         // Robert Johnson should be first in the $tags array
 597
 598                         $fullnametagged = false;
 599                         for($x = 0; $x < count($tagged); $x ++) {
 600                                 if(stristr($tagged[$x],$tag . ' ')) {
 601                                         $fullnametagged = true;
 602                                         break;
 603                                 }
 604                         }
 605                         if($fullnametagged)
 606                                 continue;
 607
 608                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 609                         if($success['replaced'])
 610                                 $tagged[] = $tag;
 611                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 612                                 $private_forum = true;
 613                                 $private_id = $success['contact']['id'];
 614                         }
 615                 }
 616         }
 617
 618         if(($private_forum) && (! $parent) && (! $private)) {
 619                 // we tagged a private forum in a top level post and the message was public.
 620                 // Restrict it.
 621                 $private = 1;
 622                 $str_contact_allow = '<' . $private_id . '>';
 623         }
 624
 625         $attachments = '';
 626         $match = false;
 627
 628         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 629                 foreach($match[2] as $mtch) {
 630                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 631                                 intval($profile_uid),
 632                                 intval($mtch)
 633                         );
 634                         if(count($r)) {
 635                                 if(strlen($attachments))
 636                                         $attachments .= ',';
 637                                 $attachments .= '[attach]href="' . $a->get_baseurl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . (($r[0]['filename']) ? $r[0]['filename'] : '') . '"[/attach]';
 638                         }
 639                         $body = str_replace($match[1],'',$body);
 640                 }
 641         }
 642
 643         $wall = 0;
 644
 645         if($post_type === 'wall' || $post_type === 'wall-comment')
 646                 $wall = 1;
 647
 648         if(! strlen($verb))
 649                 $verb = ACTIVITY_POST ;
 650
 651         if ($network == "")
 652                 $network = NETWORK_DFRN;
 653
 654         $gravity = (($parent) ? 6 : 0 );
 655
 656         // even if the post arrived via API we are considering that it
 657         // originated on this site by default for determining relayability.
 658
 659         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 660
 661         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 662
 663         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 664
 665         // Fallback so that we alway have a thr-parent
 666         if(!$thr_parent)
 667                 $thr_parent = $uri;
 668
 669         $datarray = array();
 670         $datarray['uid']           = $profile_uid;
 671         $datarray['type']          = $post_type;
 672         $datarray['wall']          = $wall;
 673         $datarray['gravity']       = $gravity;
 674         $datarray['network']       = $network;
 675         $datarray['contact-id']    = $contact_id;
 676         $datarray['owner-name']    = $contact_record['name'];
 677         $datarray['owner-link']    = $contact_record['url'];
 678         $datarray['owner-avatar']  = $contact_record['thumb'];
 679         $datarray['author-name']   = $author['name'];
 680         $datarray['author-link']   = $author['url'];
 681         $datarray['author-avatar'] = $author['thumb'];
 682         $datarray['created']       = datetime_convert();
 683         $datarray['edited']        = datetime_convert();
 684         $datarray['commented']     = datetime_convert();
 685         $datarray['received']      = datetime_convert();
 686         $datarray['changed']       = datetime_convert();
 687         $datarray['extid']         = $extid;
 688         $datarray['guid']          = $guid;
 689         $datarray['uri']           = $uri;
 690         $datarray['title']         = $title;
 691         $datarray['body']          = $body;
 692         $datarray['app']           = $app;
 693         $datarray['location']      = $location;
 694         $datarray['coord']         = $coord;
 695         $datarray['tag']           = $str_tags;
 696         $datarray['file']          = $categories;
 697         $datarray['inform']        = $inform;
 698         $datarray['verb']          = $verb;
 699         $datarray['object-type']   = $objecttype;
 700         $datarray['allow_cid']     = $str_contact_allow;
 701         $datarray['allow_gid']     = $str_group_allow;
 702         $datarray['deny_cid']      = $str_contact_deny;
 703         $datarray['deny_gid']      = $str_group_deny;
 704         $datarray['private']       = $private;
 705         $datarray['pubmail']       = $pubmail_enable;
 706         $datarray['attach']        = $attachments;
 707         $datarray['bookmark']      = intval($bookmark);
 708         $datarray['thr-parent']    = $thr_parent;
 709         $datarray['postopts']      = $postopts;
 710         $datarray['origin']        = $origin;
 711         $datarray['moderated']     = $allow_moderated;
 712         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 713                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 714         /**
 715          * These fields are for the convenience of plugins...
 716          * 'self' if true indicates the owner is posting on their own wall
 717          * If parent is 0 it is a top-level post.
 718          */
 719
 720         $datarray['parent']        = $parent;
 721         $datarray['self']          = $self;
 722 //      $datarray['prvnets']       = $user['prvnets'];
 723
 724         if($orig_post)
 725                 $datarray['edit']      = true;
 726
 727         // Search for hashtags
 728         item_body_set_hashtags($datarray);
 729
 730         // preview mode - prepare the body for display and send it via json
 731
 732         if($preview) {
 733                 require_once('include/conversation.php');
 734                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 735                 logger('preview: ' . $o);
 736                 echo json_encode(array('preview' => $o));
 737                 killme();
 738         }
 739
 740
 741         call_hooks('post_local',$datarray);
 742
 743         if(x($datarray,'cancel')) {
 744                 logger('mod_item: post cancelled by plugin.');
 745                 if($return_path) {
 746                         goaway($a->get_baseurl() . "/" . $return_path);
 747                 }
 748
 749                 $json = array('cancel' => 1);
 750                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 751                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 752
 753                 echo json_encode($json);
 754                 killme();
 755         }
 756
 757         // Fill the cache field
 758         put_item_in_cache($datarray);
 759
 760         if($orig_post) {
 761                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 762                         dbesc($datarray['title']),
 763                         dbesc($datarray['body']),
 764                         dbesc($datarray['tag']),
 765                         dbesc($datarray['attach']),
 766                         dbesc($datarray['file']),
 767                         dbesc($datarray['rendered-html']),
 768                         dbesc($datarray['rendered-hash']),
 769                         dbesc(datetime_convert()),
 770                         dbesc(datetime_convert()),
 771                         intval($post_id),
 772                         intval($profile_uid)
 773                 );
 774
 775                 create_tags_from_item($post_id);
 776                 create_files_from_item($post_id);
 777                 update_thread($post_id);
 778
 779                 // update filetags in pconfig
 780                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 781
 782                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 783                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 784                         logger('return: ' . $return_path);
 785                         goaway($a->get_baseurl() . "/" . $return_path );
 786                 }
 787                 killme();
 788         }
 789         else
 790                 $post_id = 0;
 791
 792
 793         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,
 794                 `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,
 795                 `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)
 796                 VALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')",
 797                 dbesc($datarray['guid']),
 798                 dbesc($datarray['extid']),
 799                 intval($datarray['uid']),
 800                 dbesc($datarray['type']),
 801                 intval($datarray['wall']),
 802                 intval($datarray['gravity']),
 803                 dbesc($datarray['network']),
 804                 intval($datarray['contact-id']),
 805                 dbesc($datarray['owner-name']),
 806                 dbesc($datarray['owner-link']),
 807                 dbesc($datarray['owner-avatar']),
 808                 dbesc($datarray['author-name']),
 809                 dbesc($datarray['author-link']),
 810                 dbesc($datarray['author-avatar']),
 811                 dbesc($datarray['created']),
 812                 dbesc($datarray['edited']),
 813                 dbesc($datarray['commented']),
 814                 dbesc($datarray['received']),
 815                 dbesc($datarray['changed']),
 816                 dbesc($datarray['uri']),
 817                 dbesc($datarray['thr-parent']),
 818                 dbesc($datarray['title']),
 819                 dbesc($datarray['body']),
 820                 dbesc($datarray['app']),
 821                 dbesc($datarray['location']),
 822                 dbesc($datarray['coord']),
 823                 dbesc($datarray['tag']),
 824                 dbesc($datarray['inform']),
 825                 dbesc($datarray['verb']),
 826                 dbesc($datarray['object-type']),
 827                 dbesc($datarray['postopts']),
 828                 dbesc($datarray['allow_cid']),
 829                 dbesc($datarray['allow_gid']),
 830                 dbesc($datarray['deny_cid']),
 831                 dbesc($datarray['deny_gid']),
 832                 intval($datarray['private']),
 833                 intval($datarray['pubmail']),
 834                 dbesc($datarray['attach']),
 835                 intval($datarray['bookmark']),
 836                 intval($datarray['origin']),
 837                 intval($datarray['moderated']),
 838                 dbesc($datarray['file']),
 839                 dbesc($datarray['rendered-html']),
 840                 dbesc($datarray['rendered-hash'])
 841                );
 842
 843         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 844                 dbesc($datarray['uri']));
 845         if(!count($r)) {
 846                 logger('mod_item: unable to retrieve post that was just stored.');
 847                 notice( t('System error. Post not saved.') . EOL);
 848                 goaway($a->get_baseurl() . "/" . $return_path );
 849                 // NOTREACHED
 850         }
 851
 852         $post_id = $r[0]['id'];
 853         logger('mod_item: saved item ' . $post_id);
 854
 855         $datarray["id"] = $post_id;
 856         $datarray["plink"] = $a->get_baseurl().'/display/'.urlencode($datarray["guid"]);
 857
 858         // update filetags in pconfig
 859         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 860
 861         if($parent) {
 862
 863                 // This item is the last leaf and gets the comment box, clear any ancestors
 864                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 865                         dbesc(datetime_convert()),
 866                         intval($parent)
 867                 );
 868                 update_thread($parent, true);
 869
 870                 // Inherit ACLs from the parent item.
 871
 872                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 873                         WHERE `id` = %d",
 874                         dbesc($parent_item['allow_cid']),
 875                         dbesc($parent_item['allow_gid']),
 876                         dbesc($parent_item['deny_cid']),
 877                         dbesc($parent_item['deny_gid']),
 878                         intval($parent_item['private']),
 879                         intval($post_id)
 880                 );
 881
 882                 if($contact_record != $author) {
 883                         notification(array(
 884                                 'type'         => NOTIFY_COMMENT,
 885                                 'notify_flags' => $user['notify-flags'],
 886                                 'language'     => $user['language'],
 887                                 'to_name'      => $user['username'],
 888                                 'to_email'     => $user['email'],
 889                                 'uid'          => $user['uid'],
 890                                 'item'         => $datarray,
 891                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 892                                 'source_name'  => $datarray['author-name'],
 893                                 'source_link'  => $datarray['author-link'],
 894                                 'source_photo' => $datarray['author-avatar'],
 895                                 'verb'         => ACTIVITY_POST,
 896                                 'otype'        => 'item',
 897                                 'parent'       => $parent,
 898                                 'parent_uri'   => $parent_item['uri']
 899                         ));
 900
 901                 }
 902
 903
 904                 // Store the comment signature information in case we need to relay to Diaspora
 905                 diaspora::store_comment_signature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
 906
 907         } else {
 908                 $parent = $post_id;
 909
 910                 if($contact_record != $author) {
 911                         notification(array(
 912                                 'type'         => NOTIFY_WALL,
 913                                 'notify_flags' => $user['notify-flags'],
 914                                 'language'     => $user['language'],
 915                                 'to_name'      => $user['username'],
 916                                 'to_email'     => $user['email'],
 917                                 'uid'          => $user['uid'],
 918                                 'item'         => $datarray,
 919                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 920                                 'source_name'  => $datarray['author-name'],
 921                                 'source_link'  => $datarray['author-link'],
 922                                 'source_photo' => $datarray['author-avatar'],
 923                                 'verb'         => ACTIVITY_POST,
 924                                 'otype'        => 'item'
 925                         ));
 926                 }
 927         }
 928
 929         // fallback so that parent always gets set to non-zero.
 930
 931         if(! $parent)
 932                 $parent = $post_id;
 933
 934         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 935                 WHERE `id` = %d",
 936                 intval($parent),
 937                 dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 938                 dbesc($a->get_baseurl().'/display/'.urlencode($datarray['guid'])),
 939                 dbesc(datetime_convert()),
 940                 intval($post_id)
 941         );
 942
 943         // photo comments turn the corresponding item visible to the profile wall
 944         // This way we don't see every picture in your new photo album posted to your wall at once.
 945         // They will show up as people comment on them.
 946
 947         if(! $parent_item['visible']) {
 948                 $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d",
 949                         intval($parent_item['id'])
 950                 );
 951                 update_thread($parent_item['id']);
 952         }
 953
 954         // update the commented timestamp on the parent
 955
 956         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 957                 dbesc(datetime_convert()),
 958                 dbesc(datetime_convert()),
 959                 intval($parent)
 960         );
 961         if ($post_id != $parent)
 962                 update_thread($parent);
 963
 964         call_hooks('post_local_end', $datarray);
 965
 966         if(strlen($emailcc) && $profile_uid == local_user()) {
 967                 $erecips = explode(',', $emailcc);
 968                 if(count($erecips)) {
 969                         foreach($erecips as $recip) {
 970                                 $addr = trim($recip);
 971                                 if(! strlen($addr))
 972                                         continue;
 973                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 974                                         . '<br />';
 975                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 976                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 977                                 if (!$datarray['title']=='') {
 978                                     $subject = email_header_encode($datarray['title'],'UTF-8');
 979                                 } else {
 980                                     $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
 981                                 }
 982                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 983                                 $html    = prepare_body($datarray);
 984                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 985                                 include_once('include/html2plain.php');
 986                                 $params = array (
 987                                     'fromName' => $a->user['username'],
 988                                     'fromEmail' => $a->user['email'],
 989                                     'toEmail' => $addr,
 990                                     'replyTo' => $a->user['email'],
 991                                     'messageSubject' => $subject,
 992                                     'htmlVersion' => $message,
 993                                     'textVersion' => html2plain($html.$disclaimer),
 994                                 );
 995                                 Emailer::send($params);
 996                         }
 997                 }
 998         }
 999
1000         create_tags_from_item($post_id);
1001         create_files_from_item($post_id);
1002
1003         if ($post_id == $parent)
1004                 add_thread($post_id);
1005
1006         // This is a real juggling act on shared hosting services which kill your processes
1007         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
1008         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
1009         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
1010         // likely to get killed off. If you end up looking at an /item URL and a blank page,
1011         // it's very likely the delivery got killed before all your friends could be notified.
1012         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
1013         // or cut back on plugins which do remote deliveries.
1014
1015         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
1016
1017         logger('post_complete');
1018
1019         item_post_return($a->get_baseurl(), $api_source, $return_path);
1020         // NOTREACHED
1021 }
1022
1023 function item_post_return($baseurl, $api_source, $return_path) {
1024         // figure out how to return, depending on from whence we came
1025
1026         if($api_source)
1027                 return;
1028
1029         if($return_path) {
1030                 goaway($baseurl . "/" . $return_path);
1031         }
1032
1033         $json = array('success' => 1);
1034         if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
1035                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1036
1037         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1038
1039         echo json_encode($json);
1040         killme();
1041 }
1042
1043
1044
1045 function item_content(&$a) {
1046
1047         if((! local_user()) && (! remote_user()))
1048                 return;
1049
1050         require_once('include/security.php');
1051
1052         $o = '';
1053         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1054                 $o = drop_item($a->argv[2], !is_ajax());
1055                 if (is_ajax()){
1056                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1057                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1058                         killme();
1059                 }
1060         }
1061         return $o;
1062 }
1063
1064 /**
1065  * This function removes the tag $tag from the text $body and replaces it with
1066  * the appropiate link.
1067  *
1068  * @param unknown_type $body the text to replace the tag in
1069  * @param string $inform a comma-seperated string containing everybody to inform
1070  * @param string $str_tags string to add the tag to
1071  * @param integer $profile_uid
1072  * @param string $tag the tag to replace
1073  * @param string $network The network of the post
1074  *
1075  * @return boolean true if replaced, false if not replaced
1076  */
1077 function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1078         require_once("include/Scrape.php");
1079         require_once("include/socgraph.php");
1080
1081         $replaced = false;
1082         $r = null;
1083
1084         //is it a person tag?
1085         if(strpos($tag,'@') === 0) {
1086                 //is it already replaced?
1087                 if(strpos($tag,'[url=')) {
1088                         //append tag to str_tags
1089                         if(!stristr($str_tags,$tag)) {
1090                                 if(strlen($str_tags))
1091                                         $str_tags .= ',';
1092                                 $str_tags .= $tag;
1093                         }
1094
1095                         // Checking for the alias that is used for OStatus
1096                         $pattern = "/@\[url\=(.*?)\](.*?)\[\/url\]/ism";
1097                         if (preg_match($pattern, $tag, $matches)) {
1098                                 $data = probe_url($matches[1]);
1099                                 if ($data["alias"] != "") {
1100                                         $newtag = '@[url='.$data["alias"].']'.$data["name"].'[/url]';
1101                                         if(!stristr($str_tags,$newtag)) {
1102                                                 if(strlen($str_tags))
1103                                                         $str_tags .= ',';
1104                                                 $str_tags .= $newtag;
1105                                         }
1106                                 }
1107                         }
1108
1109                         return $replaced;
1110                 }
1111                 $stat = false;
1112                 //get the person's name
1113                 $name = substr($tag,1);
1114
1115                 // Sometimes the tag detection doesn't seem to work right
1116                 // This is some workaround
1117                 $nameparts = explode(" ", $name);
1118                 $name = $nameparts[0];
1119
1120                 // Try to detect the contact in various ways
1121                 if ((strpos($name,'@')) || (strpos($name,'http://'))) {
1122                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1123
1124                         // First check the contact table for the address
1125                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `contact`
1126                                 WHERE `addr` = '%s' AND `uid` = %d AND
1127                                         (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1128                                 LIMIT 1",
1129                                         dbesc($name),
1130                                         intval($profile_uid),
1131                                         dbesc(NETWORK_OSTATUS)
1132                         );
1133
1134                         // Then check in the contact table for the url
1135                         if (!$r)
1136                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `contact`
1137                                         WHERE `nurl` = '%s' AND `uid` = %d AND
1138                                                 (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1139                                         LIMIT 1",
1140                                                 dbesc(normalise_link($name)),
1141                                                 intval($profile_uid),
1142                                                 dbesc(NETWORK_OSTATUS)
1143                                 );
1144
1145                         // Then check in the global contacts for the address
1146                         if (!$r)
1147                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1148                                         WHERE `addr` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1149                                         LIMIT 1",
1150                                                 dbesc($name),
1151                                                 dbesc(NETWORK_OSTATUS)
1152                                 );
1153
1154                         // Then check in the global contacts for the url
1155                         if (!$r)
1156                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1157                                         WHERE `nurl` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1158                                         LIMIT 1",
1159                                                 dbesc(normalise_link($name)),
1160                                                 dbesc(NETWORK_OSTATUS)
1161                                 );
1162
1163                         if (!$r) {
1164                                 $probed = probe_url($name);
1165                                 if ($result['network'] != NETWORK_PHANTOM) {
1166                                         update_gcontact($probed);
1167                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1168                                                 dbesc(normalise_link($probed["url"])));
1169                                 }
1170                         }
1171                 } else {
1172                         $r = false;
1173                         if (strrpos($name,'+')) {
1174                                 // Is it in format @nick+number?
1175                                 $tagcid = intval(substr($name,strrpos($name,'+') + 1));
1176
1177                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1178                                                 intval($tagcid),
1179                                                 intval($profile_uid)
1180                                 );
1181                         }
1182
1183                         //select someone by attag or nick and the name passed in the current network
1184                         if(!$r AND ($network != ""))
1185                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1186                                                 dbesc($name),
1187                                                 dbesc($name),
1188                                                 dbesc($network),
1189                                                 intval($profile_uid)
1190                                 );
1191
1192                         //select someone from this user's contacts by name in the current network
1193                         if (!$r AND ($network != ""))
1194                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1195                                                 dbesc($name),
1196                                                 dbesc($network),
1197                                                 intval($profile_uid)
1198                                 );
1199
1200                         //select someone by attag or nick and the name passed in
1201                         if(!$r)
1202                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1203                                                 dbesc($name),
1204                                                 dbesc($name),
1205                                                 intval($profile_uid)
1206                                 );
1207
1208
1209                         //select someone from this user's contacts by name
1210                         if(!$r)
1211                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1212                                                 dbesc($name),
1213                                                 intval($profile_uid)
1214                                 );
1215                 }
1216
1217                 if ($r) {
1218                         if(strlen($inform) AND (isset($r[0]["notify"]) OR isset($r[0]["id"])))
1219                                 $inform .= ',';
1220
1221                         if (isset($r[0]["id"]))
1222                                 $inform .= 'cid:' . $r[0]["id"];
1223                         elseif (isset($r[0]["notify"]))
1224                                 $inform  .= $r[0]["notify"];
1225
1226                         $profile = $r[0]["url"];
1227                         $alias   = $r[0]["alias"];
1228                         $newname = $r[0]["nick"];
1229                         if (($newname == "") OR (($r[0]["network"] != NETWORK_OSTATUS) AND ($r[0]["network"] != NETWORK_TWITTER)
1230                                 AND ($r[0]["network"] != NETWORK_STATUSNET) AND ($r[0]["network"] != NETWORK_APPNET)))
1231                                 $newname = $r[0]["name"];
1232                 }
1233
1234                 //if there is an url for this persons profile
1235                 if (isset($profile) AND ($newname != "")) {
1236
1237                         $replaced = true;
1238                         //create profile link
1239                         $profile = str_replace(',','%2c',$profile);
1240                         $newtag = '@[url='.$profile.']'.$newname.'[/url]';
1241                         $body = str_replace('@'.$name, $newtag, $body);
1242                         //append tag to str_tags
1243                         if(! stristr($str_tags,$newtag)) {
1244                                 if(strlen($str_tags))
1245                                         $str_tags .= ',';
1246                                 $str_tags .= $newtag;
1247                         }
1248
1249                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
1250                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1251
1252                         if(strlen($alias)) {
1253                                 $newtag = '@[url='.$alias.']'.$newname.'[/url]';
1254                                 if(! stristr($str_tags,$newtag)) {
1255                                         if(strlen($str_tags))
1256                                                 $str_tags .= ',';
1257                                         $str_tags .= $newtag;
1258                                 }
1259                         }
1260                 }
1261         }
1262
1263         return array('replaced' => $replaced, 'contact' => $r[0]);
1264 }