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