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 require_once('include/Contact.php');
  29
  30 function item_post(App &$a) {
  31
  32         if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
  33                 return;
  34
  35         require_once('include/security.php');
  36
  37         $uid = local_user();
  38
  39         if(x($_REQUEST,'dropitems')) {
  40                 $arr_drop = explode(',',$_REQUEST['dropitems']);
  41                 drop_items($arr_drop);
  42                 $json = array('success' => 1);
  43                 echo json_encode($json);
  44                 killme();
  45         }
  46
  47         call_hooks('post_local_start', $_REQUEST);
  48 //      logger('postinput ' . file_get_contents('php://input'));
  49         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  50
  51         $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
  52
  53         $message_id = ((x($_REQUEST,'message_id') && $api_source)  ? strip_tags($_REQUEST['message_id'])       : '');
  54
  55         $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
  56         $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
  57
  58
  59         // Check for doubly-submitted posts, and reject duplicates
  60         // Note that we have to ignore previews, otherwise nothing will post
  61         // after it's been previewed
  62         if(!$preview && x($_REQUEST['post_id_random'])) {
  63                 if(x($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  64                         logger("item post: duplicate post", LOGGER_DEBUG);
  65                         item_post_return(App::get_baseurl(), $api_source, $return_path);
  66                 }
  67                 else
  68                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  69         }
  70
  71         /**
  72          * Is this a reply to something?
  73          */
  74
  75         $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
  76         $parent_uri = ((x($_REQUEST,'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  77
  78         $parent_item = null;
  79         $parent_contact = null;
  80         $thr_parent = '';
  81         $parid = 0;
  82         $r = false;
  83         $objecttype = null;
  84
  85         if($parent || $parent_uri) {
  86
  87                 $objecttype = ACTIVITY_OBJ_COMMENT;
  88
  89                 if(! x($_REQUEST,'type'))
  90                         $_REQUEST['type'] = 'net-comment';
  91
  92                 if($parent) {
  93                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  94                                 intval($parent)
  95                         );
  96                 } elseif($parent_uri && local_user()) {
  97                         // This is coming from an API source, and we are logged in
  98                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  99                                 dbesc($parent_uri),
 100                                 intval(local_user())
 101                         );
 102                 }
 103
 104                 // if this isn't the real parent of the conversation, find it
 105                 if (dbm::is_result($r)) {
 106                         $parid = $r[0]['parent'];
 107                         $parent_uri = $r[0]['uri'];
 108                         if($r[0]['id'] != $r[0]['parent']) {
 109                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 110                                         intval($parid)
 111                                 );
 112                         }
 113                 }
 114
 115                 if (! dbm::is_result($r)) {
 116                         notice( t('Unable to locate original post.') . EOL);
 117                         if(x($_REQUEST,'return'))
 118                                 goaway($return_path);
 119                         killme();
 120                 }
 121                 $parent_item = $r[0];
 122                 $parent = $r[0]['id'];
 123
 124                 // multi-level threading - preserve the info but re-parent to our single level threading
 125                 //if(($parid) && ($parid != $parent))
 126                 $thr_parent = $parent_uri;
 127
 128                 if($parent_item['contact-id'] && $uid) {
 129                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 130                                 intval($parent_item['contact-id']),
 131                                 intval($uid)
 132                         );
 133                         if (dbm::is_result($r))
 134                                 $parent_contact = $r[0];
 135
 136                         // If the contact id doesn't fit with the contact, then set the contact to null
 137                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 138                         if (count($thrparent) AND ($thrparent[0]["network"] === NETWORK_OSTATUS)
 139                                 AND (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 140                                 $parent_contact = null;
 141
 142                                 $r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 143                                         dbesc(normalise_link($thrparent[0]["author-link"])));
 144                                 if (dbm::is_result($r)) {
 145                                         $parent_contact = $r[0];
 146                                         $parent_contact["thumb"] = $parent_contact["photo"];
 147                                         $parent_contact["micro"] = $parent_contact["photo"];
 148                                         unset($parent_contact["id"]);
 149                                 }
 150
 151                                 if (!isset($parent_contact["nick"])) {
 152                                         require_once("include/Scrape.php");
 153                                         $probed_contact = probe_url($thrparent[0]["author-link"]);
 154                                         if ($probed_contact["network"] != NETWORK_FEED) {
 155                                                 $parent_contact = $probed_contact;
 156                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 157                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 158                                                 $parent_contact["micro"] = $probed_contact["photo"];
 159                                                 $parent_contact["addr"] = $probed_contact["addr"];
 160                                         }
 161                                 }
 162                                 logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 163                         } else
 164                                 logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 165
 166                         if ($parent_contact["nick"] == "")
 167                                 $parent_contact["nick"] = $parent_contact["name"];
 168                 }
 169         }
 170
 171         if($parent) logger('mod_item: item_post parent=' . $parent);
 172
 173         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 174         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 175         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 176         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])   : '');
 177         $object      = ((x($_REQUEST,'object'))      ? $_REQUEST['object']              : '');
 178
 179         // Check for multiple posts with the same message id (when the post was created via API)
 180         if (($message_id != '') AND ($profile_uid != 0)) {
 181                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 182                         dbesc($message_id),
 183                         intval($profile_uid)
 184                 );
 185
 186                 if (dbm::is_result($r)) {
 187                         logger("Message with URI ".$message_id." already exists for user ".$profile_uid, LOGGER_DEBUG);
 188                         return;
 189                 }
 190         }
 191
 192         $allow_moderated = false;
 193
 194         // here is where we are going to check for permission to post a moderated comment.
 195
 196         // First check that the parent exists and it is a wall item.
 197
 198         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 199                 notice( t('Permission denied.') . EOL) ;
 200                 if(x($_REQUEST,'return'))
 201                         goaway($return_path);
 202                 killme();
 203         }
 204
 205         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 206         // have been provided, and run any anti-spam plugins
 207
 208
 209
 210         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 211                 notice( t('Permission denied.') . EOL) ;
 212                 if(x($_REQUEST,'return'))
 213                         goaway($return_path);
 214                 killme();
 215         }
 216
 217
 218         // is this an edited post?
 219
 220         $orig_post = null;
 221
 222         if($post_id) {
 223                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 224                         intval($profile_uid),
 225                         intval($post_id)
 226                 );
 227                 if (! dbm::is_result($i)) {
 228                         killme();
 229                 }
 230                 $orig_post = $i[0];
 231         }
 232
 233         $user = null;
 234
 235         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 236                 intval($profile_uid)
 237         );
 238         if (dbm::is_result($r))
 239                 $user = $r[0];
 240
 241         if($orig_post) {
 242                 $str_group_allow   = $orig_post['allow_gid'];
 243                 $str_contact_allow = $orig_post['allow_cid'];
 244                 $str_group_deny    = $orig_post['deny_gid'];
 245                 $str_contact_deny  = $orig_post['deny_cid'];
 246                 $location          = $orig_post['location'];
 247                 $coord             = $orig_post['coord'];
 248                 $verb              = $orig_post['verb'];
 249                 $objecttype        = $orig_post['object-type'];
 250                 $emailcc           = $orig_post['emailcc'];
 251                 $app               = $orig_post['app'];
 252                 $categories        = $orig_post['file'];
 253                 $title             = notags(trim($_REQUEST['title']));
 254                 $body              = escape_tags(trim($_REQUEST['body']));
 255                 $private           = $orig_post['private'];
 256                 $pubmail_enable    = $orig_post['pubmail'];
 257                 $network           = $orig_post['network'];
 258                 $guid              = $orig_post['guid'];
 259                 $extid             = $orig_post['extid'];
 260
 261         } else {
 262
 263                 // if coming from the API and no privacy settings are set,
 264                 // use the user default permissions - as they won't have
 265                 // been supplied via a form.
 266
 267                 if(($api_source)
 268                         && (! array_key_exists('contact_allow',$_REQUEST))
 269                         && (! array_key_exists('group_allow',$_REQUEST))
 270                         && (! array_key_exists('contact_deny',$_REQUEST))
 271                         && (! array_key_exists('group_deny',$_REQUEST))) {
 272                         $str_group_allow   = $user['allow_gid'];
 273                         $str_contact_allow = $user['allow_cid'];
 274                         $str_group_deny    = $user['deny_gid'];
 275                         $str_contact_deny  = $user['deny_cid'];
 276                 }
 277                 else {
 278
 279                         // use the posted permissions
 280
 281                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 282                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 283                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 284                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 285                 }
 286
 287                 $title             = notags(trim($_REQUEST['title']));
 288                 $location          = notags(trim($_REQUEST['location']));
 289                 $coord             = notags(trim($_REQUEST['coord']));
 290                 $verb              = notags(trim($_REQUEST['verb']));
 291                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 292                 $body              = escape_tags(trim($_REQUEST['body']));
 293                 $network           = notags(trim($_REQUEST['network']));
 294                 $guid              = get_guid(32);
 295
 296
 297                 item_add_language_opt($_REQUEST);
 298                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 299
 300
 301                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 302
 303
 304                 if($user['hidewall'])
 305                         $private = 2;
 306
 307                 // If this is a comment, set the permissions from the parent.
 308
 309                 if($parent_item) {
 310
 311                         // for non native networks use the network of the original post as network of the item
 312                         if (($parent_item['network'] != NETWORK_DIASPORA)
 313                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 314                                 AND ($network == ""))
 315                                 $network = $parent_item['network'];
 316
 317                         $str_contact_allow = $parent_item['allow_cid'];
 318                         $str_group_allow   = $parent_item['allow_gid'];
 319                         $str_contact_deny  = $parent_item['deny_cid'];
 320                         $str_group_deny    = $parent_item['deny_gid'];
 321                         $private           = $parent_item['private'];
 322                 }
 323
 324                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 325
 326                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 327
 328                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 329                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 330                         if(! $mail_disabled) {
 331                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 332                                         intval(local_user())
 333                                 );
 334                                 if (dbm::is_result($r) && intval($r[0]['pubmail']))
 335                                         $pubmail_enabled = true;
 336                         }
 337                 }
 338
 339                 if(! strlen($body)) {
 340                         if($preview)
 341                                 killme();
 342                         info( t('Empty post discarded.') . EOL );
 343                         if(x($_REQUEST,'return'))
 344                                 goaway($return_path);
 345                         killme();
 346                 }
 347         }
 348
 349         if(strlen($categories)) {
 350                 // get the "fileas" tags for this post
 351                 $filedas = file_tag_file_to_list($categories, 'file');
 352         }
 353         // save old and new categories, so we can determine what needs to be deleted from pconfig
 354         $categories_old = $categories;
 355         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 356         $categories_new = $categories;
 357         if(strlen($filedas)) {
 358                 // append the fileas stuff to the new categories list
 359                 $categories .= file_tag_list_to_file($filedas, 'file');
 360         }
 361
 362         // Work around doubled linefeeds in Tinymce 3.5b2
 363         // First figure out if it's a status post that would've been
 364         // created using tinymce. Otherwise leave it alone.
 365
 366 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 367         if((! $parent) && (! $api_source) && (! $plaintext)) {
 368                 $body = fix_mce_lf($body);
 369         }*/
 370         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 371         if((! $parent) && (! $api_source) && (! $plaintext)) {
 372                 $body = fix_mce_lf($body);
 373         }
 374
 375
 376         // get contact info for poster
 377
 378         $author = null;
 379         $self   = false;
 380         $contact_id = 0;
 381
 382         if((local_user()) && (local_user() == $profile_uid)) {
 383                 $self = true;
 384                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 385                         intval($_SESSION['uid']));
 386         }
 387         elseif(remote_user()) {
 388                 if(is_array($_SESSION['remote'])) {
 389                         foreach($_SESSION['remote'] as $v) {
 390                                 if($v['uid'] == $profile_uid) {
 391                                         $contact_id = $v['cid'];
 392                                         break;
 393                                 }
 394                         }
 395                 }
 396                 if($contact_id) {
 397                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 398                                 intval($contact_id)
 399                         );
 400                 }
 401         }
 402
 403         if (dbm::is_result($r)) {
 404                 $author = $r[0];
 405                 $contact_id = $author['id'];
 406         }
 407
 408         // get contact info for owner
 409
 410         if($profile_uid == local_user()) {
 411                 $contact_record = $author;
 412         }
 413         else {
 414                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 415                         intval($profile_uid)
 416                 );
 417                 if (dbm::is_result($r))
 418                         $contact_record = $r[0];
 419         }
 420
 421         $post_type = notags(trim($_REQUEST['type']));
 422
 423         if($post_type === 'net-comment') {
 424                 if($parent_item !== null) {
 425                         if($parent_item['wall'] == 1)
 426                                 $post_type = 'wall-comment';
 427                         else
 428                                 $post_type = 'remote-comment';
 429                 }
 430         }
 431
 432         /**
 433          *
 434          * When a photo was uploaded into the message using the (profile wall) ajax
 435          * uploader, The permissions are initially set to disallow anybody but the
 436          * owner from seeing it. This is because the permissions may not yet have been
 437          * set for the post. If it's private, the photo permissions should be set
 438          * appropriately. But we didn't know the final permissions on the post until
 439          * now. So now we'll look for links of uploaded messages that are in the
 440          * post and set them to the same permissions as the post itself.
 441          *
 442          */
 443
 444         $match = null;
 445
 446         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 447                 $images = $match[2];
 448                 if(count($images)) {
 449
 450                         $objecttype = ACTIVITY_OBJ_IMAGE;
 451
 452                         foreach($images as $image) {
 453                                 if(! stristr($image,App::get_baseurl() . '/photo/'))
 454                                         continue;
 455                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 456                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 457                                 if(! strlen($image_uri))
 458                                         continue;
 459                                 $srch = '<' . intval($contact_id) . '>';
 460
 461                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 462                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 463                                         dbesc($srch),
 464                                         dbesc($image_uri),
 465                                         intval($profile_uid)
 466                                 );
 467
 468                                 if (! dbm::is_result($r)) {
 469                                         continue;
 470                                 }
 471
 472                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 473                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 474                                         dbesc($str_contact_allow),
 475                                         dbesc($str_group_allow),
 476                                         dbesc($str_contact_deny),
 477                                         dbesc($str_group_deny),
 478                                         dbesc($image_uri),
 479                                         intval($profile_uid),
 480                                         dbesc( t('Wall Photos'))
 481                                 );
 482                         }
 483                 }
 484         }
 485
 486
 487         /**
 488          * Next link in any attachment references we find in the post.
 489          */
 490
 491         $match = false;
 492
 493         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 494                 $attaches = $match[1];
 495                 if(count($attaches)) {
 496                         foreach($attaches as $attach) {
 497                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 498                                         intval($profile_uid),
 499                                         intval($attach)
 500                                 );
 501                                 if (dbm::is_result($r)) {
 502                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 503                                                 WHERE `uid` = %d AND `id` = %d",
 504                                                 dbesc($str_contact_allow),
 505                                                 dbesc($str_group_allow),
 506                                                 dbesc($str_contact_deny),
 507                                                 dbesc($str_group_deny),
 508                                                 intval($profile_uid),
 509                                                 intval($attach)
 510                                         );
 511                                 }
 512                         }
 513                 }
 514         }
 515
 516         // embedded bookmark or attachment in post? set bookmark flag
 517
 518         $bookmark = 0;
 519         $data = get_attachment_data($body);
 520         if (preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) OR isset($data["type"])) {
 521                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 522                 $bookmark = 1;
 523         }
 524
 525         $body = bb_translate_video($body);
 526
 527
 528         /**
 529          * Fold multi-line [code] sequences
 530          */
 531
 532         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 533
 534         $body = scale_external_images($body,false);
 535
 536
 537         // Setting the object type if not defined before
 538         if (!$objecttype) {
 539                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 540                 require_once("include/plaintext.php");
 541                 $objectdata = get_attached_data($body);
 542
 543                 if ($post["type"] == "link")
 544                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 545                 elseif ($post["type"] == "video")
 546                         $objecttype = ACTIVITY_OBJ_VIDEO;
 547                 elseif ($post["type"] == "photo")
 548                         $objecttype = ACTIVITY_OBJ_IMAGE;
 549
 550         }
 551
 552         /**
 553          * Look for any tags and linkify them
 554          */
 555
 556         $str_tags = '';
 557         $inform   = '';
 558
 559
 560         $tags = get_tags($body);
 561
 562         /**
 563          * add a statusnet style reply tag if the original post was from there
 564          * and we are replying, and there isn't one already
 565          */
 566
 567         if($parent AND ($parent_contact['network'] === NETWORK_OSTATUS)) {
 568                 if ($parent_contact['id'] != "")
 569                         $contact = '@'.$parent_contact['nick'].'+'.$parent_contact['id'];
 570                 else
 571                         $contact = '@[url='.$parent_contact['url'].']'.$parent_contact['nick'].'[/url]';
 572
 573                 if (!in_array($contact,$tags)) {
 574                         $body = $contact.' '.$body;
 575                         $tags[] = $contact;
 576                 }
 577
 578                 $toplevel_contact = "";
 579                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 580                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 581                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 582                 if ($toplevel_parent)
 583                         $toplevel_contact = '@'.$toplevel_parent[0]['nick'].'+'.$toplevel_parent[0]['id'];
 584                 else {
 585                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 586                         $toplevel_contact = '@[url='.$toplevel_parent[0]['author-link'].']'.$toplevel_parent[0]['author-name'].'[/url]';
 587                 }
 588
 589                 if (!in_array($toplevel_contact,$tags))
 590                         $tags[] = $toplevel_contact;
 591         }
 592
 593         $tagged = array();
 594
 595         $private_forum = false;
 596
 597         if(count($tags)) {
 598                 foreach($tags as $tag) {
 599
 600                         if(strpos($tag,'#') === 0)
 601                                 continue;
 602
 603                         // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 604                         // Robert Johnson should be first in the $tags array
 605
 606                         $fullnametagged = false;
 607                         for($x = 0; $x < count($tagged); $x ++) {
 608                                 if(stristr($tagged[$x],$tag . ' ')) {
 609                                         $fullnametagged = true;
 610                                         break;
 611                                 }
 612                         }
 613                         if($fullnametagged)
 614                                 continue;
 615
 616                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 617                         if($success['replaced'])
 618                                 $tagged[] = $tag;
 619                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 620                                 $private_forum = true;
 621                                 $private_id = $success['contact']['id'];
 622                         }
 623                 }
 624         }
 625
 626         if(($private_forum) && (! $parent) && (! $private)) {
 627                 // we tagged a private forum in a top level post and the message was public.
 628                 // Restrict it.
 629                 $private = 1;
 630                 $str_contact_allow = '<' . $private_id . '>';
 631         }
 632
 633         $attachments = '';
 634         $match = false;
 635
 636         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 637                 foreach($match[2] as $mtch) {
 638                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 639                                 intval($profile_uid),
 640                                 intval($mtch)
 641                         );
 642                         if (dbm::is_result($r)) {
 643                                 if(strlen($attachments))
 644                                         $attachments .= ',';
 645                                 $attachments .= '[attach]href="' . App::get_baseurl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . (($r[0]['filename']) ? $r[0]['filename'] : '') . '"[/attach]';
 646                         }
 647                         $body = str_replace($match[1],'',$body);
 648                 }
 649         }
 650
 651         $wall = 0;
 652
 653         if($post_type === 'wall' || $post_type === 'wall-comment')
 654                 $wall = 1;
 655
 656         if(! strlen($verb))
 657                 $verb = ACTIVITY_POST ;
 658
 659         if ($network == "")
 660                 $network = NETWORK_DFRN;
 661
 662         $gravity = (($parent) ? 6 : 0 );
 663
 664         // even if the post arrived via API we are considering that it
 665         // originated on this site by default for determining relayability.
 666
 667         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 668
 669         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 670
 671         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 672
 673         // Fallback so that we alway have a thr-parent
 674         if(!$thr_parent)
 675                 $thr_parent = $uri;
 676
 677         $datarray = array();
 678         $datarray['uid']           = $profile_uid;
 679         $datarray['type']          = $post_type;
 680         $datarray['wall']          = $wall;
 681         $datarray['gravity']       = $gravity;
 682         $datarray['network']       = $network;
 683         $datarray['contact-id']    = $contact_id;
 684         $datarray['owner-name']    = $contact_record['name'];
 685         $datarray['owner-link']    = $contact_record['url'];
 686         $datarray['owner-avatar']  = $contact_record['thumb'];
 687         $datarray["owner-id"]      = get_contact($datarray["owner-link"], 0);
 688         $datarray['author-name']   = $author['name'];
 689         $datarray['author-link']   = $author['url'];
 690         $datarray['author-avatar'] = $author['thumb'];
 691         $datarray["author-id"]     = get_contact($datarray["author-link"], 0);
 692         $datarray['created']       = datetime_convert();
 693         $datarray['edited']        = datetime_convert();
 694         $datarray['commented']     = datetime_convert();
 695         $datarray['received']      = datetime_convert();
 696         $datarray['changed']       = datetime_convert();
 697         $datarray['extid']         = $extid;
 698         $datarray['guid']          = $guid;
 699         $datarray['uri']           = $uri;
 700         $datarray['title']         = $title;
 701         $datarray['body']          = $body;
 702         $datarray['app']           = $app;
 703         $datarray['location']      = $location;
 704         $datarray['coord']         = $coord;
 705         $datarray['tag']           = $str_tags;
 706         $datarray['file']          = $categories;
 707         $datarray['inform']        = $inform;
 708         $datarray['verb']          = $verb;
 709         $datarray['object-type']   = $objecttype;
 710         $datarray['allow_cid']     = $str_contact_allow;
 711         $datarray['allow_gid']     = $str_group_allow;
 712         $datarray['deny_cid']      = $str_contact_deny;
 713         $datarray['deny_gid']      = $str_group_deny;
 714         $datarray['private']       = $private;
 715         $datarray['pubmail']       = $pubmail_enable;
 716         $datarray['attach']        = $attachments;
 717         $datarray['bookmark']      = intval($bookmark);
 718         $datarray['thr-parent']    = $thr_parent;
 719         $datarray['postopts']      = $postopts;
 720         $datarray['origin']        = $origin;
 721         $datarray['moderated']     = $allow_moderated;
 722         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 723                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 724         $datarray['object']        = $object;
 725
 726         /**
 727          * These fields are for the convenience of plugins...
 728          * 'self' if true indicates the owner is posting on their own wall
 729          * If parent is 0 it is a top-level post.
 730          */
 731
 732         $datarray['parent']        = $parent;
 733         $datarray['self']          = $self;
 734 //      $datarray['prvnets']       = $user['prvnets'];
 735
 736         $datarray['parent-uri'] = ($parent == 0) ? $uri : $parent_item['uri'];
 737         $datarray['plink'] = App::get_baseurl().'/display/'.urlencode($datarray['guid']);
 738         $datarray['last-child'] = 1;
 739         $datarray['visible'] = 1;
 740
 741         if($orig_post)
 742                 $datarray['edit']      = true;
 743
 744         // Search for hashtags
 745         item_body_set_hashtags($datarray);
 746
 747         // preview mode - prepare the body for display and send it via json
 748
 749         if($preview) {
 750                 require_once('include/conversation.php');
 751                 // We set the datarray ID to -1 because in preview mode the dataray
 752                 // doesn't have an ID.
 753                 $datarray["id"] = -1;
 754                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 755                 logger('preview: ' . $o);
 756                 echo json_encode(array('preview' => $o));
 757                 killme();
 758         }
 759
 760
 761         call_hooks('post_local',$datarray);
 762
 763         if(x($datarray,'cancel')) {
 764                 logger('mod_item: post cancelled by plugin.');
 765                 if($return_path) {
 766                         goaway($return_path);
 767                 }
 768
 769                 $json = array('cancel' => 1);
 770                 if (x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload'])) {
 771                         $json['reload'] = App::get_baseurl() . '/' . $_REQUEST['jsreload'];
 772                 }
 773
 774                 echo json_encode($json);
 775                 killme();
 776         }
 777
 778         // Fill the cache field
 779         put_item_in_cache($datarray);
 780
 781         if($orig_post) {
 782                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 783                         dbesc($datarray['title']),
 784                         dbesc($datarray['body']),
 785                         dbesc($datarray['tag']),
 786                         dbesc($datarray['attach']),
 787                         dbesc($datarray['file']),
 788                         dbesc($datarray['rendered-html']),
 789                         dbesc($datarray['rendered-hash']),
 790                         dbesc(datetime_convert()),
 791                         dbesc(datetime_convert()),
 792                         intval($post_id),
 793                         intval($profile_uid)
 794                 );
 795
 796                 create_tags_from_item($post_id);
 797                 create_files_from_item($post_id);
 798                 update_thread($post_id);
 799
 800                 // update filetags in pconfig
 801                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 802
 803                 proc_run(PRIORITY_HIGH, "include/notifier.php", 'edit_post', $post_id);
 804                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 805                         logger('return: ' . $return_path);
 806                         goaway($return_path);
 807                 }
 808                 killme();
 809         } else
 810                 $post_id = 0;
 811
 812         q("COMMIT");
 813         q("START TRANSACTION;");
 814
 815         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,
 816                                         `owner-name`,`owner-link`,`owner-avatar`, `owner-id`,
 817                                         `author-name`, `author-link`, `author-avatar`, `author-id`,
 818                                         `created`, `edited`, `commented`, `received`, `changed`,
 819                                         `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 820                                         `tag`, `inform`, `verb`, `object-type`, `postopts`,
 821                                         `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`,
 822                                         `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`,
 823                                         `rendered-html`, `rendered-hash`, `gcontact-id`, `object`,
 824                                         `parent`, `parent-uri`, `plink`, `last-child`, `visible`)
 825                 VALUES('%s', '%s', %d, '%s', %d, %d, '%s', %d,
 826                         '%s', '%s', '%s', %d,
 827                         '%s', '%s', '%s', %d,
 828                         '%s', '%s', '%s', '%s', '%s',
 829                         '%s', '%s', '%s', '%s', '%s', '%s', '%s',
 830                         '%s', '%s', '%s', '%s', '%s',
 831                         '%s', '%s', '%s', '%s', %d,
 832                         %d, '%s', %d, %d, %d, '%s',
 833                         '%s', '%s', %d, '%s',
 834                         %d, '%s', '%s', %d, %d)",
 835                 dbesc($datarray['guid']),
 836                 dbesc($datarray['extid']),
 837                 intval($datarray['uid']),
 838                 dbesc($datarray['type']),
 839                 intval($datarray['wall']),
 840                 intval($datarray['gravity']),
 841                 dbesc($datarray['network']),
 842                 intval($datarray['contact-id']),
 843                 dbesc($datarray['owner-name']),
 844                 dbesc($datarray['owner-link']),
 845                 dbesc($datarray['owner-avatar']),
 846                 intval($datarray['owner-id']),
 847                 dbesc($datarray['author-name']),
 848                 dbesc($datarray['author-link']),
 849                 dbesc($datarray['author-avatar']),
 850                 intval($datarray['author-id']),
 851                 dbesc($datarray['created']),
 852                 dbesc($datarray['edited']),
 853                 dbesc($datarray['commented']),
 854                 dbesc($datarray['received']),
 855                 dbesc($datarray['changed']),
 856                 dbesc($datarray['uri']),
 857                 dbesc($datarray['thr-parent']),
 858                 dbesc($datarray['title']),
 859                 dbesc($datarray['body']),
 860                 dbesc($datarray['app']),
 861                 dbesc($datarray['location']),
 862                 dbesc($datarray['coord']),
 863                 dbesc($datarray['tag']),
 864                 dbesc($datarray['inform']),
 865                 dbesc($datarray['verb']),
 866                 dbesc($datarray['object-type']),
 867                 dbesc($datarray['postopts']),
 868                 dbesc($datarray['allow_cid']),
 869                 dbesc($datarray['allow_gid']),
 870                 dbesc($datarray['deny_cid']),
 871                 dbesc($datarray['deny_gid']),
 872                 intval($datarray['private']),
 873                 intval($datarray['pubmail']),
 874                 dbesc($datarray['attach']),
 875                 intval($datarray['bookmark']),
 876                 intval($datarray['origin']),
 877                 intval($datarray['moderated']),
 878                 dbesc($datarray['file']),
 879                 dbesc($datarray['rendered-html']),
 880                 dbesc($datarray['rendered-hash']),
 881                 intval($datarray['gcontact-id']),
 882                 dbesc($datarray['object']),
 883                 intval($datarray['parent']),
 884                 dbesc($datarray['parent-uri']),
 885                 dbesc($datarray['plink']),
 886                 intval($datarray['last-child']),
 887                 intval($datarray['visible'])
 888                );
 889
 890         if (dbm::is_result($r)) {
 891                 $r = q("SELECT LAST_INSERT_ID() AS `item-id`");
 892                 if (dbm::is_result($r)) {
 893                         $post_id = $r[0]['item-id'];
 894                 } else {
 895                         $post_id = 0;
 896                 }
 897         } else {
 898                 logger('mod_item: unable to create post.');
 899                 $post_id = 0;
 900         }
 901
 902         if ($post_id == 0) {
 903                 q("COMMIT");
 904                 logger('mod_item: unable to retrieve post that was just stored.');
 905                 notice(t('System error. Post not saved.') . EOL);
 906                 goaway($return_path);
 907                 // NOTREACHED
 908         }
 909
 910         logger('mod_item: saved item ' . $post_id);
 911
 912         $datarray["id"] = $post_id;
 913
 914         item_set_last_item($datarray);
 915
 916         // update filetags in pconfig
 917         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 918
 919         if($parent) {
 920
 921                 // This item is the last leaf and gets the comment box, clear any ancestors
 922                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d AND `last-child` AND `id` != %d",
 923                         dbesc(datetime_convert()),
 924                         intval($parent),
 925                         intval($post_id)
 926                 );
 927
 928                 // update the commented timestamp on the parent
 929                 q("UPDATE `item` SET `visible` = 1, `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 930                         dbesc(datetime_convert()),
 931                         dbesc(datetime_convert()),
 932                         intval($parent)
 933                 );
 934
 935                 if($contact_record != $author) {
 936                         notification(array(
 937                                 'type'         => NOTIFY_COMMENT,
 938                                 'notify_flags' => $user['notify-flags'],
 939                                 'language'     => $user['language'],
 940                                 'to_name'      => $user['username'],
 941                                 'to_email'     => $user['email'],
 942                                 'uid'          => $user['uid'],
 943                                 'item'         => $datarray,
 944                                 'link'          => App::get_baseurl().'/display/'.urlencode($datarray['guid']),
 945                                 'source_name'  => $datarray['author-name'],
 946                                 'source_link'  => $datarray['author-link'],
 947                                 'source_photo' => $datarray['author-avatar'],
 948                                 'verb'         => ACTIVITY_POST,
 949                                 'otype'        => 'item',
 950                                 'parent'       => $parent,
 951                                 'parent_uri'   => $parent_item['uri']
 952                         ));
 953
 954                 }
 955
 956
 957                 // Store the comment signature information in case we need to relay to Diaspora
 958                 diaspora::store_comment_signature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
 959
 960         } else {
 961                 $parent = $post_id;
 962
 963                 $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
 964                         intval($parent),
 965                         intval($post_id));
 966
 967                 if($contact_record != $author) {
 968                         notification(array(
 969                                 'type'         => NOTIFY_WALL,
 970                                 'notify_flags' => $user['notify-flags'],
 971                                 'language'     => $user['language'],
 972                                 'to_name'      => $user['username'],
 973                                 'to_email'     => $user['email'],
 974                                 'uid'          => $user['uid'],
 975                                 'item'         => $datarray,
 976                                 'link'          => App::get_baseurl().'/display/'.urlencode($datarray['guid']),
 977                                 'source_name'  => $datarray['author-name'],
 978                                 'source_link'  => $datarray['author-link'],
 979                                 'source_photo' => $datarray['author-avatar'],
 980                                 'verb'         => ACTIVITY_POST,
 981                                 'otype'        => 'item'
 982                         ));
 983                 }
 984         }
 985
 986         call_hooks('post_local_end', $datarray);
 987
 988         if(strlen($emailcc) && $profile_uid == local_user()) {
 989                 $erecips = explode(',', $emailcc);
 990                 if(count($erecips)) {
 991                         foreach($erecips as $recip) {
 992                                 $addr = trim($recip);
 993                                 if(! strlen($addr))
 994                                         continue;
 995                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 996                                         . '<br />';
 997                                 $disclaimer .= sprintf( t('You may visit them online at %s'), App::get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 998                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 999                                 if (!$datarray['title']=='') {
1000                                     $subject = email_header_encode($datarray['title'],'UTF-8');
1001                                 } else {
1002                                     $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
1003                                 }
1004                                 $link = '<a href="' . App::get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
1005                                 $html    = prepare_body($datarray);
1006                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
1007                                 include_once('include/html2plain.php');
1008                                 $params = array (
1009                                     'fromName' => $a->user['username'],
1010                                     'fromEmail' => $a->user['email'],
1011                                     'toEmail' => $addr,
1012                                     'replyTo' => $a->user['email'],
1013                                     'messageSubject' => $subject,
1014                                     'htmlVersion' => $message,
1015                                     'textVersion' => html2plain($html.$disclaimer),
1016                                 );
1017                                 Emailer::send($params);
1018                         }
1019                 }
1020         }
1021
1022         if ($post_id == $parent) {
1023                 add_thread($post_id);
1024         } else {
1025                 update_thread($parent, true);
1026         }
1027
1028         q("COMMIT");
1029
1030         create_tags_from_item($post_id);
1031         create_files_from_item($post_id);
1032
1033         // Insert an item entry for UID=0 for global entries.
1034         // We now do it in the background to save some time.
1035         // This is important in interactive environments like the frontend or the API.
1036         // We don't fork a new process since this is done anyway with the following command
1037         proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
1038
1039         // Call the background process that is delivering the item to the receivers
1040         proc_run(PRIORITY_HIGH, "include/notifier.php", $notify_type, $post_id);
1041
1042         logger('post_complete');
1043
1044         item_post_return(App::get_baseurl(), $api_source, $return_path);
1045         // NOTREACHED
1046 }
1047
1048 function item_post_return($baseurl, $api_source, $return_path) {
1049         // figure out how to return, depending on from whence we came
1050
1051         if($api_source)
1052                 return;
1053
1054         if ($return_path) {
1055                 goaway($return_path);
1056         }
1057
1058         $json = array('success' => 1);
1059         if (x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload'])) {
1060                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1061         }
1062
1063         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1064
1065         echo json_encode($json);
1066         killme();
1067 }
1068
1069
1070
1071 function item_content(App &$a) {
1072
1073         if ((! local_user()) && (! remote_user())) {
1074                 return;
1075         }
1076
1077         require_once('include/security.php');
1078
1079         $o = '';
1080         if (($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1081                 $o = drop_item($a->argv[2], !is_ajax());
1082                 if (is_ajax()) {
1083                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1084                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1085                         killme();
1086                 }
1087         }
1088         return $o;
1089 }
1090
1091 /**
1092  * This function removes the tag $tag from the text $body and replaces it with
1093  * the appropiate link.
1094  *
1095  * @param App $a Application instance @TODO is unused in this function's scope (excluding included files)
1096  * @param unknown_type $body the text to replace the tag in
1097  * @param string $inform a comma-seperated string containing everybody to inform
1098  * @param string $str_tags string to add the tag to
1099  * @param integer $profile_uid
1100  * @param string $tag the tag to replace
1101  * @param string $network The network of the post
1102  *
1103  * @return boolean true if replaced, false if not replaced
1104  */
1105 function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1106         require_once("include/Scrape.php");
1107         require_once("include/socgraph.php");
1108
1109         $replaced = false;
1110         $r = null;
1111
1112         //is it a person tag?
1113         if (strpos($tag,'@') === 0) {
1114                 //is it already replaced?
1115                 if (strpos($tag,'[url=')) {
1116                         //append tag to str_tags
1117                         if (!stristr($str_tags,$tag)) {
1118                                 if (strlen($str_tags)) {
1119                                         $str_tags .= ',';
1120                                 }
1121                                 $str_tags .= $tag;
1122                         }
1123
1124                         // Checking for the alias that is used for OStatus
1125                         $pattern = "/@\[url\=(.*?)\](.*?)\[\/url\]/ism";
1126                         if (preg_match($pattern, $tag, $matches)) {
1127
1128                                 $r = q("SELECT `alias`, `name` FROM `contact` WHERE `nurl` = '%s' AND `alias` != '' AND `uid` = 0",
1129                                         normalise_link($matches[1]));
1130                                 if (!$r)
1131                                         $r = q("SELECT `alias`, `name` FROM `gcontact` WHERE `nurl` = '%s' AND `alias` != ''",
1132                                                 normalise_link($matches[1]));
1133                                 if ($r)
1134                                         $data = $r[0];
1135                                 else
1136                                         $data = probe_url($matches[1]);
1137
1138                                 if ($data["alias"] != "") {
1139                                         $newtag = '@[url='.$data["alias"].']'.$data["name"].'[/url]';
1140                                         if(!stristr($str_tags,$newtag)) {
1141                                                 if(strlen($str_tags))
1142                                                         $str_tags .= ',';
1143                                                 $str_tags .= $newtag;
1144                                         }
1145                                 }
1146                         }
1147
1148                         return $replaced;
1149                 }
1150                 $stat = false;
1151                 //get the person's name
1152                 $name = substr($tag,1);
1153
1154                 // Sometimes the tag detection doesn't seem to work right
1155                 // This is some workaround
1156                 $nameparts = explode(" ", $name);
1157                 $name = $nameparts[0];
1158
1159                 // Try to detect the contact in various ways
1160                 if ((strpos($name,'@')) || (strpos($name,'http://'))) {
1161                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1162
1163                         // First check the contact table for the address
1164                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `contact`
1165                                 WHERE `addr` = '%s' AND `uid` = %d AND
1166                                         (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1167                                 LIMIT 1",
1168                                         dbesc($name),
1169                                         intval($profile_uid),
1170                                         dbesc(NETWORK_OSTATUS)
1171                         );
1172
1173                         // Then check in the contact table for the url
1174                         if (!$r)
1175                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `contact`
1176                                         WHERE `nurl` = '%s' AND `uid` = %d AND
1177                                                 (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1178                                         LIMIT 1",
1179                                                 dbesc(normalise_link($name)),
1180                                                 intval($profile_uid),
1181                                                 dbesc(NETWORK_OSTATUS)
1182                                 );
1183
1184                         // Then check in the global contacts for the address
1185                         if (!$r)
1186                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1187                                         WHERE `addr` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1188                                         LIMIT 1",
1189                                                 dbesc($name),
1190                                                 dbesc(NETWORK_OSTATUS)
1191                                 );
1192
1193                         // Then check in the global contacts for the url
1194                         if (!$r)
1195                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1196                                         WHERE `nurl` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1197                                         LIMIT 1",
1198                                                 dbesc(normalise_link($name)),
1199                                                 dbesc(NETWORK_OSTATUS)
1200                                 );
1201
1202                         if (!$r) {
1203                                 $probed = probe_url($name);
1204                                 if ($result['network'] != NETWORK_PHANTOM) {
1205                                         update_gcontact($probed);
1206                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1207                                                 dbesc(normalise_link($probed["url"])));
1208                                 }
1209                         }
1210                 } else {
1211                         $r = false;
1212                         if (strrpos($name,'+')) {
1213                                 // Is it in format @nick+number?
1214                                 $tagcid = intval(substr($name,strrpos($name,'+') + 1));
1215
1216                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1217                                                 intval($tagcid),
1218                                                 intval($profile_uid)
1219                                 );
1220                         }
1221
1222                         //select someone by attag or nick and the name passed in the current network
1223                         if(!$r AND ($network != ""))
1224                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1225                                                 dbesc($name),
1226                                                 dbesc($name),
1227                                                 dbesc($network),
1228                                                 intval($profile_uid)
1229                                 );
1230
1231                         //select someone from this user's contacts by name in the current network
1232                         if (!$r AND ($network != ""))
1233                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1234                                                 dbesc($name),
1235                                                 dbesc($network),
1236                                                 intval($profile_uid)
1237                                 );
1238
1239                         //select someone by attag or nick and the name passed in
1240                         if(!$r)
1241                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1242                                                 dbesc($name),
1243                                                 dbesc($name),
1244                                                 intval($profile_uid)
1245                                 );
1246
1247
1248                         //select someone from this user's contacts by name
1249                         if(!$r)
1250                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1251                                                 dbesc($name),
1252                                                 intval($profile_uid)
1253                                 );
1254                 }
1255
1256                 if ($r) {
1257                         if(strlen($inform) AND (isset($r[0]["notify"]) OR isset($r[0]["id"])))
1258                                 $inform .= ',';
1259
1260                         if (isset($r[0]["id"]))
1261                                 $inform .= 'cid:' . $r[0]["id"];
1262                         elseif (isset($r[0]["notify"]))
1263                                 $inform  .= $r[0]["notify"];
1264
1265                         $profile = $r[0]["url"];
1266                         $alias   = $r[0]["alias"];
1267                         $newname = $r[0]["nick"];
1268                         if (($newname == "") OR (($r[0]["network"] != NETWORK_OSTATUS) AND ($r[0]["network"] != NETWORK_TWITTER)
1269                                 AND ($r[0]["network"] != NETWORK_STATUSNET) AND ($r[0]["network"] != NETWORK_APPNET)))
1270                                 $newname = $r[0]["name"];
1271                 }
1272
1273                 //if there is an url for this persons profile
1274                 if (isset($profile) AND ($newname != "")) {
1275
1276                         $replaced = true;
1277                         //create profile link
1278                         $profile = str_replace(',','%2c',$profile);
1279                         $newtag = '@[url='.$profile.']'.$newname.'[/url]';
1280                         $body = str_replace('@'.$name, $newtag, $body);
1281                         //append tag to str_tags
1282                         if(! stristr($str_tags,$newtag)) {
1283                                 if(strlen($str_tags))
1284                                         $str_tags .= ',';
1285                                 $str_tags .= $newtag;
1286                         }
1287
1288                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
1289                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1290
1291                         if(strlen($alias)) {
1292                                 $newtag = '@[url='.$alias.']'.$newname.'[/url]';
1293                                 if(! stristr($str_tags,$newtag)) {
1294                                         if(strlen($str_tags))
1295                                                 $str_tags .= ',';
1296                                         $str_tags .= $newtag;
1297                                 }
1298                         }
1299                 }
1300         }
1301
1302         return array('replaced' => $replaced, 'contact' => $r[0]);
1303 }