mod/item.php

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