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