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\Config;
  20 use Friendica\Core\System;
  21 use Friendica\Core\Worker;
  22 use Friendica\Network\Probe;
  23 use Friendica\Protocol\Diaspora;
  24
  25 require_once 'include/crypto.php';
  26 require_once 'include/enotify.php';
  27 require_once 'include/email.php';
  28 require_once 'include/tags.php';
  29 require_once 'include/files.php';
  30 require_once 'include/threads.php';
  31 require_once 'include/text.php';
  32 require_once 'include/items.php';
  33 require_once 'include/Contact.php';
  34
  35 function item_post(App $a) {
  36
  37         if ((! local_user()) && (! remote_user()) && (! x($_REQUEST, 'commenter'))) {
  38                 return;
  39         }
  40
  41         require_once 'include/security.php';
  42
  43         $uid = local_user();
  44
  45         if (x($_REQUEST, 'dropitems')) {
  46                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  47                 drop_items($arr_drop);
  48                 $json = array('success' => 1);
  49                 echo json_encode($json);
  50                 killme();
  51         }
  52
  53         call_hooks('post_local_start', $_REQUEST);
  54         // logger('postinput ' . file_get_contents('php://input'));
  55         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  56
  57         $api_source = ((x($_REQUEST, 'api_source') && $_REQUEST['api_source']) ? true : false);
  58
  59         $message_id = ((x($_REQUEST, 'message_id') && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  60
  61         $return_path = ((x($_REQUEST, 'return')) ? $_REQUEST['return'] : '');
  62         $preview = ((x($_REQUEST, 'preview')) ? intval($_REQUEST['preview']) : 0);
  63
  64         /*
  65          * Check for doubly-submitted posts, and reject duplicates
  66          * Note that we have to ignore previews, otherwise nothing will post
  67          * after it's been previewed
  68          */
  69         if (!$preview && x($_REQUEST, 'post_id_random')) {
  70                 if (x($_SESSION, 'post-random') && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  71                         logger("item post: duplicate post", LOGGER_DEBUG);
  72                         item_post_return(System::baseUrl(), $api_source, $return_path);
  73                 } else {
  74                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  75                 }
  76         }
  77
  78         // Is this a reply to something?
  79         $parent = ((x($_REQUEST, 'parent')) ? intval($_REQUEST['parent']) : 0);
  80         $parent_uri = ((x($_REQUEST, 'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  81
  82         $parent_item = null;
  83         $parent_contact = null;
  84         $thr_parent = '';
  85         $parid = 0;
  86         $r = false;
  87         $objecttype = null;
  88
  89         if ($parent || $parent_uri) {
  90
  91                 $objecttype = ACTIVITY_OBJ_COMMENT;
  92
  93                 if (! x($_REQUEST, 'type')) {
  94                         $_REQUEST['type'] = 'net-comment';
  95                 }
  96
  97                 if ($parent) {
  98                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  99                                 intval($parent)
 100                         );
 101                 } elseif ($parent_uri && local_user()) {
 102                         // This is coming from an API source, and we are logged in
 103                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 104                                 dbesc($parent_uri),
 105                                 intval(local_user())
 106                         );
 107                 }
 108
 109                 // if this isn't the real parent of the conversation, find it
 110                 if (dbm::is_result($r)) {
 111                         $parid = $r[0]['parent'];
 112                         $parent_uri = $r[0]['uri'];
 113                         if ($r[0]['id'] != $r[0]['parent']) {
 114                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 115                                         intval($parid)
 116                                 );
 117                         }
 118                 }
 119
 120                 if (! dbm::is_result($r)) {
 121                         notice( t('Unable to locate original post.') . EOL);
 122                         if (x($_REQUEST, 'return')) {
 123                                 goaway($return_path);
 124                         }
 125                         killme();
 126                 }
 127                 $parent_item = $r[0];
 128                 $parent = $r[0]['id'];
 129
 130                 // multi-level threading - preserve the info but re-parent to our single level threading
 131                 //if(($parid) && ($parid != $parent))
 132                 $thr_parent = $parent_uri;
 133
 134                 if ($parent_item['contact-id'] && $uid) {
 135                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 136                                 intval($parent_item['contact-id']),
 137                                 intval($uid)
 138                         );
 139                         if (dbm::is_result($r)) {
 140                                 $parent_contact = $r[0];
 141                         }
 142
 143                         // If the contact id doesn't fit with the contact, then set the contact to null
 144                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 145                         if (dbm::is_result($thrparent) && ($thrparent[0]["network"] === NETWORK_OSTATUS)
 146                                 && (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 147                                 $parent_contact = get_contact_details_by_url($thrparent[0]["author-link"]);
 148
 149                                 if (!isset($parent_contact["nick"])) {
 150                                         $probed_contact = Probe::uri($thrparent[0]["author-link"]);
 151                                         if ($probed_contact["network"] != NETWORK_FEED) {
 152                                                 $parent_contact = $probed_contact;
 153                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 154                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 155                                                 $parent_contact["micro"] = $probed_contact["photo"];
 156                                                 $parent_contact["addr"] = $probed_contact["addr"];
 157                                         }
 158                                 }
 159                                 logger('no contact found: ' . print_r($thrparent, true), LOGGER_DEBUG);
 160                         } else {
 161                                 logger('parent contact: ' . print_r($parent_contact, true), LOGGER_DEBUG);
 162                         }
 163
 164                         if ($parent_contact["nick"] == "") {
 165                                 $parent_contact["nick"] = $parent_contact["name"];
 166                         }
 167                 }
 168         }
 169
 170         if ($parent) {
 171                 logger('mod_item: item_post parent=' . $parent);
 172         }
 173
 174         $profile_uid = ((x($_REQUEST, 'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 175         $post_id     = ((x($_REQUEST, 'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 176         $app         = ((x($_REQUEST, 'source'))      ? strip_tags($_REQUEST['source'])  : '');
 177         $extid       = ((x($_REQUEST, 'extid'))       ? strip_tags($_REQUEST['extid'])   : '');
 178         $object      = ((x($_REQUEST, 'object'))      ? $_REQUEST['object']              : '');
 179
 180         // Check for multiple posts with the same message id (when the post was created via API)
 181         if (($message_id != '') && ($profile_uid != 0)) {
 182                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 183                         dbesc($message_id),
 184                         intval($profile_uid)
 185                 );
 186
 187                 if (dbm::is_result($r)) {
 188                         logger("Message with URI ".$message_id." already exists for user ".$profile_uid, LOGGER_DEBUG);
 189                         return;
 190                 }
 191         }
 192
 193         $allow_moderated = false;
 194
 195         // here is where we are going to check for permission to post a moderated comment.
 196
 197         // First check that the parent exists and it is a wall item.
 198
 199         if ((x($_REQUEST, 'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 200                 notice(t('Permission denied.') . EOL) ;
 201                 if (x($_REQUEST, 'return')) {
 202                         goaway($return_path);
 203                 }
 204                 killme();
 205         }
 206
 207         /*
 208          * Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 209          * have been provided, and run any anti-spam plugins
 210          */
 211         if ((! can_write_wall($a, $profile_uid)) && (! $allow_moderated)) {
 212                 notice(t('Permission denied.') . EOL) ;
 213                 if (x($_REQUEST, 'return')) {
 214                         goaway($return_path);
 215                 }
 216                 killme();
 217         }
 218
 219
 220         // is this an edited post?
 221
 222         $orig_post = null;
 223
 224         if ($post_id) {
 225                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 226                         intval($profile_uid),
 227                         intval($post_id)
 228                 );
 229                 if (! dbm::is_result($i)) {
 230                         killme();
 231                 }
 232                 $orig_post = $i[0];
 233         }
 234
 235         $user = null;
 236
 237         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 238                 intval($profile_uid)
 239         );
 240         if (dbm::is_result($r)) {
 241                 $user = $r[0];
 242         }
 243
 244         if ($orig_post) {
 245                 $str_group_allow   = $orig_post['allow_gid'];
 246                 $str_contact_allow = $orig_post['allow_cid'];
 247                 $str_group_deny    = $orig_post['deny_gid'];
 248                 $str_contact_deny  = $orig_post['deny_cid'];
 249                 $location          = $orig_post['location'];
 250                 $coord             = $orig_post['coord'];
 251                 $verb              = $orig_post['verb'];
 252                 $objecttype        = $orig_post['object-type'];
 253                 $emailcc           = $orig_post['emailcc'];
 254                 $app               = $orig_post['app'];
 255                 $categories        = $orig_post['file'];
 256                 $title             = notags(trim($_REQUEST['title']));
 257                 $body              = escape_tags(trim($_REQUEST['body']));
 258                 $private           = $orig_post['private'];
 259                 $pubmail_enable    = $orig_post['pubmail'];
 260                 $network           = $orig_post['network'];
 261                 $guid              = $orig_post['guid'];
 262                 $extid             = $orig_post['extid'];
 263
 264         } else {
 265
 266                 /*
 267                  * if coming from the API and no privacy settings are set,
 268                  * use the user default permissions - as they won't have
 269                  * been supplied via a form.
 270                  */
 271                 /// @TODO use x($_REQUEST, 'foo') here
 272                 if (($api_source)
 273                         && (! array_key_exists('contact_allow', $_REQUEST))
 274                         && (! array_key_exists('group_allow', $_REQUEST))
 275                         && (! array_key_exists('contact_deny', $_REQUEST))
 276                         && (! array_key_exists('group_deny', $_REQUEST))) {
 277                         $str_group_allow   = $user['allow_gid'];
 278                         $str_contact_allow = $user['allow_cid'];
 279                         $str_group_deny    = $user['deny_gid'];
 280                         $str_contact_deny  = $user['deny_cid'];
 281                 } else {
 282
 283                         // use the posted permissions
 284
 285                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 286                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 287                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 288                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 289                 }
 290
 291                 $title             = notags(trim($_REQUEST['title']));
 292                 $location          = notags(trim($_REQUEST['location']));
 293                 $coord             = notags(trim($_REQUEST['coord']));
 294                 $verb              = notags(trim($_REQUEST['verb']));
 295                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 296                 $body              = escape_tags(trim($_REQUEST['body']));
 297                 $network           = notags(trim($_REQUEST['network']));
 298                 $guid              = get_guid(32);
 299
 300                 item_add_language_opt($_REQUEST);
 301                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 302
 303                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 304
 305                 if ($user['hidewall']) {
 306                         $private = 2;
 307                 }
 308
 309                 // If this is a comment, set the permissions from the parent.
 310
 311                 if ($parent_item) {
 312
 313                         // for non native networks use the network of the original post as network of the item
 314                         if (($parent_item['network'] != NETWORK_DIASPORA)
 315                                 && ($parent_item['network'] != NETWORK_OSTATUS)
 316                                 && ($network == "")) {
 317                                 $network = $parent_item['network'];
 318                         }
 319
 320                         $str_contact_allow = $parent_item['allow_cid'];
 321                         $str_group_allow   = $parent_item['allow_gid'];
 322                         $str_contact_deny  = $parent_item['deny_cid'];
 323                         $str_group_deny    = $parent_item['deny_gid'];
 324                         $private           = $parent_item['private'];
 325                 }
 326
 327                 $pubmail_enable    = ((x($_REQUEST, 'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 328
 329                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 330
 331                 if ($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 332                         $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 333                         if (! $mail_disabled) {
 334                                 /// @TODO Check if only pubmail is loaded, * loads all columns
 335                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 336                                         intval(local_user())
 337                                 );
 338                                 if (dbm::is_result($r) && intval($r[0]['pubmail'])) {
 339                                         $pubmail_enabled = true;
 340                                 }
 341                         }
 342                 }
 343
 344                 if (! strlen($body)) {
 345                         if ($preview) {
 346                                 killme();
 347                         }
 348                         info(t('Empty post discarded.') . EOL );
 349                         if (x($_REQUEST, 'return')) {
 350                                 goaway($return_path);
 351                         }
 352                         killme();
 353                 }
 354         }
 355
 356         if (strlen($categories)) {
 357                 // get the "fileas" tags for this post
 358                 $filedas = file_tag_file_to_list($categories, 'file');
 359         }
 360         // save old and new categories, so we can determine what needs to be deleted from pconfig
 361         $categories_old = $categories;
 362         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 363         $categories_new = $categories;
 364         if (strlen($filedas)) {
 365                 // append the fileas stuff to the new categories list
 366                 $categories .= file_tag_list_to_file($filedas, 'file');
 367         }
 368
 369         // get contact info for poster
 370
 371         $author = null;
 372         $self   = false;
 373         $contact_id = 0;
 374
 375         if ((local_user()) && (local_user() == $profile_uid)) {
 376                 $self = true;
 377                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 378                         intval($_SESSION['uid']));
 379         } elseif(remote_user()) {
 380                 if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
 381                         foreach ($_SESSION['remote'] as $v) {
 382                                 if ($v['uid'] == $profile_uid) {
 383                                         $contact_id = $v['cid'];
 384                                         break;
 385                                 }
 386                         }
 387                 }
 388                 if ($contact_id) {
 389                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 390                                 intval($contact_id)
 391                         );
 392                 }
 393         }
 394
 395         if (dbm::is_result($r)) {
 396                 $author = $r[0];
 397                 $contact_id = $author['id'];
 398         }
 399
 400         // get contact info for owner
 401
 402         if ($profile_uid == local_user()) {
 403                 $contact_record = $author;
 404         } else {
 405                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 406                         intval($profile_uid)
 407                 );
 408                 if (dbm::is_result($r)) {
 409                         $contact_record = $r[0];
 410                 }
 411         }
 412
 413         $post_type = notags(trim($_REQUEST['type']));
 414
 415         if ($post_type === 'net-comment' && $parent_item !== null) {
 416                 if ($parent_item['wall'] == 1) {
 417                         $post_type = 'wall-comment';
 418                 } else {
 419                         $post_type = 'remote-comment';
 420                 }
 421         }
 422
 423         /*
 424          * When a photo was uploaded into the message using the (profile wall) ajax
 425          * uploader, The permissions are initially set to disallow anybody but the
 426          * owner from seeing it. This is because the permissions may not yet have been
 427          * set for the post. If it's private, the photo permissions should be set
 428          * appropriately. But we didn't know the final permissions on the post until
 429          * now. So now we'll look for links of uploaded messages that are in the
 430          * post and set them to the same permissions as the post itself.
 431          */
 432
 433         $match = null;
 434
 435         if ((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 436                 $images = $match[2];
 437                 if (count($images)) {
 438
 439                         $objecttype = ACTIVITY_OBJ_IMAGE;
 440
 441                         foreach ($images as $image) {
 442                                 if (! stristr($image,System::baseUrl() . '/photo/')) {
 443                                         continue;
 444                                 }
 445                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 446                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 447                                 if (! strlen($image_uri)) {
 448                                         continue;
 449                                 }
 450                                 $srch = '<' . intval($contact_id) . '>';
 451
 452                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 453                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 454                                         dbesc($srch),
 455                                         dbesc($image_uri),
 456                                         intval($profile_uid)
 457                                 );
 458
 459                                 if (! dbm::is_result($r)) {
 460                                         continue;
 461                                 }
 462
 463                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 464                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 465                                         dbesc($str_contact_allow),
 466                                         dbesc($str_group_allow),
 467                                         dbesc($str_contact_deny),
 468                                         dbesc($str_group_deny),
 469                                         dbesc($image_uri),
 470                                         intval($profile_uid),
 471                                         dbesc( t('Wall Photos'))
 472                                 );
 473                         }
 474                 }
 475         }
 476
 477
 478         /*
 479          * Next link in any attachment references we find in the post.
 480          */
 481         $match = false;
 482
 483         if ((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 484                 $attaches = $match[1];
 485                 if (count($attaches)) {
 486                         foreach ($attaches as $attach) {
 487                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 488                                         intval($profile_uid),
 489                                         intval($attach)
 490                                 );
 491                                 if (dbm::is_result($r)) {
 492                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 493                                                 WHERE `uid` = %d AND `id` = %d",
 494                                                 dbesc($str_contact_allow),
 495                                                 dbesc($str_group_allow),
 496                                                 dbesc($str_contact_deny),
 497                                                 dbesc($str_group_deny),
 498                                                 intval($profile_uid),
 499                                                 intval($attach)
 500                                         );
 501                                 }
 502                         }
 503                 }
 504         }
 505
 506         // embedded bookmark or attachment in post? set bookmark flag
 507
 508         $bookmark = 0;
 509         $data = get_attachment_data($body);
 510         if (preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"])) {
 511                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 512                 $bookmark = 1;
 513         }
 514
 515         $body = bb_translate_video($body);
 516
 517
 518         // Fold multi-line [code] sequences
 519         $body = preg_replace('/\[\/code\]\s*\[code\]/ism', "\n", $body);
 520
 521         $body = scale_external_images($body, false);
 522
 523         // Setting the object type if not defined before
 524         if (!$objecttype) {
 525                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 526                 require_once 'include/plaintext.php';
 527                 $objectdata = get_attached_data($body);
 528
 529                 if ($post["type"] == "link") {
 530                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 531                 } elseif ($post["type"] == "video") {
 532                         $objecttype = ACTIVITY_OBJ_VIDEO;
 533                 } elseif ($post["type"] == "photo") {
 534                         $objecttype = ACTIVITY_OBJ_IMAGE;
 535                 }
 536
 537         }
 538
 539         // Look for any tags and linkify them
 540         $str_tags = '';
 541         $inform   = '';
 542
 543         $tags = get_tags($body);
 544
 545         /*
 546          * add a statusnet style reply tag if the original post was from there
 547          * and we are replying, and there isn't one already
 548          */
 549         if ($parent && ($parent_contact['network'] == NETWORK_OSTATUS)) {
 550                 $contact = '@[url=' . $parent_contact['url'] . ']' . $parent_contact['nick'] . '[/url]';
 551
 552                 if (!in_array($contact, $tags)) {
 553                         $body = $contact . ' ' . $body;
 554                         $tags[] = $contact;
 555                 }
 556
 557                 $toplevel_contact = "";
 558                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 559                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 560                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 561                 if (dbm::is_result($toplevel_parent)) {
 562                         if (!empty($toplevel_parent[0]['addr'])) {
 563                                 $toplevel_contact = '@' . $toplevel_parent[0]['addr'];
 564                         } else {
 565                                 $toplevel_contact = '@' . $toplevel_parent[0]['nick'] . '+' . $toplevel_parent[0]['id'];
 566                         }
 567                 } else {
 568                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 569                         $toplevel_contact = '@[url=' . $toplevel_parent[0]['author-link'] . ']' . $toplevel_parent[0]['author-name'] . '[/url]';
 570                 }
 571
 572                 if (!in_array($toplevel_contact, $tags)) {
 573                         $tags[] = $toplevel_contact;
 574                 }
 575         }
 576
 577         $tagged = array();
 578
 579         $private_forum = false;
 580         $only_to_forum = false;
 581         $forum_contact = array();
 582
 583         if (count($tags)) {
 584                 foreach ($tags as $tag) {
 585
 586                         $tag_type = substr($tag, 0, 1);
 587
 588                         if ($tag_type == '#') {
 589                                 continue;
 590                         }
 591
 592                         /*
 593                          * If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 594                          * Robert Johnson should be first in the $tags array
 595                          */
 596                         $fullnametagged = false;
 597                         /// @TODO $tagged is initialized above if() block and is not filled, maybe old-lost code?
 598                         foreach ($tagged as $nextTag) {
 599                                 if (stristr($nextTag, $tag . ' ')) {
 600                                         $fullnametagged = true;
 601                                         break;
 602                                 }
 603                         }
 604                         if ($fullnametagged) {
 605                                 continue;
 606                         }
 607
 608                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 609                         if ($success['replaced']) {
 610                                 $tagged[] = $tag;
 611                         }
 612                         // When the forum is private or the forum is addressed with a "!" make the post private
 613                         if (is_array($success['contact']) && ($success['contact']['prv'] || ($tag_type == '!'))) {
 614                                 $private_forum = $success['contact']['prv'];
 615                                 $only_to_forum = ($tag_type == '!');
 616                                 $private_id = $success['contact']['id'];
 617                                 $forum_contact = $success['contact'];
 618                         } elseif (is_array($success['contact']) && $success['contact']['forum'] &&
 619                                 ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 620                                 $private_forum = false;
 621                                 $only_to_forum = true;
 622                                 $private_id = $success['contact']['id'];
 623                                 $forum_contact = $success['contact'];
 624                         }
 625                 }
 626         }
 627
 628         if (!$parent && count($forum_contact) && ($private_forum || $only_to_forum)) {
 629                 // we tagged a forum in a top level post. Now we change the post
 630                 $private = $private_forum;
 631
 632                 $str_group_allow = '';
 633                 $str_contact_deny = '';
 634                 $str_group_deny = '';
 635                 if ($private_forum) {
 636                         $str_contact_allow = '<' . $private_id . '>';
 637                 } else {
 638                         $str_contact_allow = '';
 639                 }
 640                 $contact_id = $private_id;
 641                 $contact_record = $forum_contact;
 642                 $_REQUEST['origin'] = false;
 643         }
 644
 645         $attachments = '';
 646         $match = false;
 647
 648         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 649                 foreach ($match[2] as $mtch) {
 650                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 651                                 intval($profile_uid),
 652                                 intval($mtch)
 653                         );
 654                         if (dbm::is_result($r)) {
 655                                 if (strlen($attachments)) {
 656                                         $attachments .= ',';
 657                                 }
 658                                 $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]';
 659                         }
 660                         $body = str_replace($match[1],'',$body);
 661                 }
 662         }
 663
 664         $wall = 0;
 665
 666         if (($post_type === 'wall' || $post_type === 'wall-comment') && !count($forum_contact)) {
 667                 $wall = 1;
 668         }
 669
 670         if (! strlen($verb)) {
 671                 $verb = ACTIVITY_POST ;
 672         }
 673
 674         if ($network == "") {
 675                 $network = NETWORK_DFRN;
 676         }
 677
 678         $gravity = (($parent) ? 6 : 0 );
 679
 680         // even if the post arrived via API we are considering that it
 681         // originated on this site by default for determining relayability.
 682
 683         $origin = ((x($_REQUEST, 'origin')) ? intval($_REQUEST['origin']) : 1);
 684
 685         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 686
 687         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 688
 689         // Fallback so that we alway have a thr-parent
 690         if (!$thr_parent) {
 691                 $thr_parent = $uri;
 692         }
 693
 694         $datarray = array();
 695         $datarray['uid']           = $profile_uid;
 696         $datarray['type']          = $post_type;
 697         $datarray['wall']          = $wall;
 698         $datarray['gravity']       = $gravity;
 699         $datarray['network']       = $network;
 700         $datarray['contact-id']    = $contact_id;
 701         $datarray['owner-name']    = $contact_record['name'];
 702         $datarray['owner-link']    = $contact_record['url'];
 703         $datarray['owner-avatar']  = $contact_record['thumb'];
 704         $datarray['owner-id']      = get_contact($datarray['owner-link'], 0);
 705         $datarray['author-name']   = $author['name'];
 706         $datarray['author-link']   = $author['url'];
 707         $datarray['author-avatar'] = $author['thumb'];
 708         $datarray['author-id']     = get_contact($datarray['author-link'], 0);
 709         $datarray['created']       = datetime_convert();
 710         $datarray['edited']        = datetime_convert();
 711         $datarray['commented']     = datetime_convert();
 712         $datarray['received']      = datetime_convert();
 713         $datarray['changed']       = datetime_convert();
 714         $datarray['extid']         = $extid;
 715         $datarray['guid']          = $guid;
 716         $datarray['uri']           = $uri;
 717         $datarray['title']         = $title;
 718         $datarray['body']          = $body;
 719         $datarray['app']           = $app;
 720         $datarray['location']      = $location;
 721         $datarray['coord']         = $coord;
 722         $datarray['tag']           = $str_tags;
 723         $datarray['file']          = $categories;
 724         $datarray['inform']        = $inform;
 725         $datarray['verb']          = $verb;
 726         $datarray['object-type']   = $objecttype;
 727         $datarray['allow_cid']     = $str_contact_allow;
 728         $datarray['allow_gid']     = $str_group_allow;
 729         $datarray['deny_cid']      = $str_contact_deny;
 730         $datarray['deny_gid']      = $str_group_deny;
 731         $datarray['private']       = $private;
 732         $datarray['pubmail']       = $pubmail_enable;
 733         $datarray['attach']        = $attachments;
 734         $datarray['bookmark']      = intval($bookmark);
 735         $datarray['thr-parent']    = $thr_parent;
 736         $datarray['postopts']      = $postopts;
 737         $datarray['origin']        = $origin;
 738         $datarray['moderated']     = $allow_moderated;
 739         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 740                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 741         $datarray['object']        = $object;
 742
 743         /*
 744          * These fields are for the convenience of plugins...
 745          * 'self' if true indicates the owner is posting on their own wall
 746          * If parent is 0 it is a top-level post.
 747          */
 748         $datarray['parent']        = $parent;
 749         $datarray['self']          = $self;
 750 //      $datarray['prvnets']       = $user['prvnets'];
 751
 752         // This triggers posts via API and the mirror functions
 753         $datarray['api_source'] = $api_source;
 754
 755         $datarray['parent-uri'] = ($parent == 0) ? $uri : $parent_item['uri'];
 756         $datarray['plink'] = System::baseUrl() . '/display/' . urlencode($datarray['guid']);
 757         $datarray['last-child'] = 1;
 758         $datarray['visible'] = 1;
 759
 760         $datarray['protocol'] = PROTOCOL_DFRN;
 761
 762         $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $datarray['parent-uri']);
 763         if (dbm::is_result($r)) {
 764                 if ($r['conversation-uri'] != '') {
 765                         $datarray['conversation-uri'] = $r['conversation-uri'];
 766                 }
 767                 if ($r['conversation-href'] != '') {
 768                         $datarray['conversation-href'] = $r['conversation-href'];
 769                 }
 770         }
 771
 772         if ($orig_post) {
 773                 $datarray['edit'] = true;
 774         }
 775
 776         // Search for hashtags
 777         item_body_set_hashtags($datarray);
 778
 779         // preview mode - prepare the body for display and send it via json
 780         if ($preview) {
 781                 require_once 'include/conversation.php';
 782                 // We set the datarray ID to -1 because in preview mode the dataray
 783                 // doesn't have an ID.
 784                 $datarray["id"] = -1;
 785                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 786                 logger('preview: ' . $o);
 787                 echo json_encode(array('preview' => $o));
 788                 killme();
 789         }
 790
 791         call_hooks('post_local',$datarray);
 792
 793         if (x($datarray, 'cancel')) {
 794                 logger('mod_item: post cancelled by plugin.');
 795                 if ($return_path) {
 796                         goaway($return_path);
 797                 }
 798
 799                 $json = array('cancel' => 1);
 800                 if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
 801                         $json['reload'] = System::baseUrl() . '/' . $_REQUEST['jsreload'];
 802                 }
 803
 804                 echo json_encode($json);
 805                 killme();
 806         }
 807
 808         // Fill the cache field
 809         put_item_in_cache($datarray);
 810
 811         $datarray = store_conversation($datarray);
 812
 813         if ($orig_post) {
 814                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 815                         dbesc($datarray['title']),
 816                         dbesc($datarray['body']),
 817                         dbesc($datarray['tag']),
 818                         dbesc($datarray['attach']),
 819                         dbesc($datarray['file']),
 820                         dbesc($datarray['rendered-html']),
 821                         dbesc($datarray['rendered-hash']),
 822                         dbesc(datetime_convert()),
 823                         dbesc(datetime_convert()),
 824                         intval($post_id),
 825                         intval($profile_uid)
 826                 );
 827
 828                 create_tags_from_item($post_id);
 829                 create_files_from_item($post_id);
 830                 update_thread($post_id);
 831
 832                 // update filetags in pconfig
 833                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 834
 835                 Worker::add(PRIORITY_HIGH, "notifier", 'edit_post', $post_id);
 836                 if ((x($_REQUEST, 'return')) && strlen($return_path)) {
 837                         logger('return: ' . $return_path);
 838                         goaway($return_path);
 839                 }
 840                 killme();
 841         } else {
 842                 $post_id = 0;
 843         }
 844
 845         dba::transaction();
 846
 847         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,
 848                                         `owner-name`,`owner-link`,`owner-avatar`, `owner-id`,
 849                                         `author-name`, `author-link`, `author-avatar`, `author-id`,
 850                                         `created`, `edited`, `commented`, `received`, `changed`,
 851                                         `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 852                                         `tag`, `inform`, `verb`, `object-type`, `postopts`,
 853                                         `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`,
 854                                         `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`,
 855                                         `rendered-html`, `rendered-hash`, `gcontact-id`, `object`,
 856                                         `parent`, `parent-uri`, `plink`, `last-child`, `visible`)
 857                 VALUES('%s', '%s', %d, '%s', %d, %d, '%s', %d,
 858                         '%s', '%s', '%s', %d,
 859                         '%s', '%s', '%s', %d,
 860                         '%s', '%s', '%s', '%s', '%s',
 861                         '%s', '%s', '%s', '%s', '%s', '%s', '%s',
 862                         '%s', '%s', '%s', '%s', '%s',
 863                         '%s', '%s', '%s', '%s', %d,
 864                         %d, '%s', %d, %d, %d, '%s',
 865                         '%s', '%s', %d, '%s',
 866                         %d, '%s', '%s', %d, %d)",
 867                 dbesc($datarray['guid']),
 868                 dbesc($datarray['extid']),
 869                 intval($datarray['uid']),
 870                 dbesc($datarray['type']),
 871                 intval($datarray['wall']),
 872                 intval($datarray['gravity']),
 873                 dbesc($datarray['network']),
 874                 intval($datarray['contact-id']),
 875                 dbesc($datarray['owner-name']),
 876                 dbesc($datarray['owner-link']),
 877                 dbesc($datarray['owner-avatar']),
 878                 intval($datarray['owner-id']),
 879                 dbesc($datarray['author-name']),
 880                 dbesc($datarray['author-link']),
 881                 dbesc($datarray['author-avatar']),
 882                 intval($datarray['author-id']),
 883                 dbesc($datarray['created']),
 884                 dbesc($datarray['edited']),
 885                 dbesc($datarray['commented']),
 886                 dbesc($datarray['received']),
 887                 dbesc($datarray['changed']),
 888                 dbesc($datarray['uri']),
 889                 dbesc($datarray['thr-parent']),
 890                 dbesc($datarray['title']),
 891                 dbesc($datarray['body']),
 892                 dbesc($datarray['app']),
 893                 dbesc($datarray['location']),
 894                 dbesc($datarray['coord']),
 895                 dbesc($datarray['tag']),
 896                 dbesc($datarray['inform']),
 897                 dbesc($datarray['verb']),
 898                 dbesc($datarray['object-type']),
 899                 dbesc($datarray['postopts']),
 900                 dbesc($datarray['allow_cid']),
 901                 dbesc($datarray['allow_gid']),
 902                 dbesc($datarray['deny_cid']),
 903                 dbesc($datarray['deny_gid']),
 904                 intval($datarray['private']),
 905                 intval($datarray['pubmail']),
 906                 dbesc($datarray['attach']),
 907                 intval($datarray['bookmark']),
 908                 intval($datarray['origin']),
 909                 intval($datarray['moderated']),
 910                 dbesc($datarray['file']),
 911                 dbesc($datarray['rendered-html']),
 912                 dbesc($datarray['rendered-hash']),
 913                 intval($datarray['gcontact-id']),
 914                 dbesc($datarray['object']),
 915                 intval($datarray['parent']),
 916                 dbesc($datarray['parent-uri']),
 917                 dbesc($datarray['plink']),
 918                 intval($datarray['last-child']),
 919                 intval($datarray['visible'])
 920         );
 921
 922         if (dbm::is_result($r)) {
 923                 $post_id = dba::lastInsertId();
 924         } else {
 925                 logger('mod_item: unable to create post.');
 926                 $post_id = 0;
 927         }
 928
 929         if ($post_id == 0) {
 930                 dba::commit();
 931                 logger('mod_item: unable to retrieve post that was just stored.');
 932                 notice(t('System error. Post not saved.') . EOL);
 933                 goaway($return_path);
 934                 // NOTREACHED
 935         }
 936
 937         logger('mod_item: saved item ' . $post_id);
 938
 939         $datarray["id"] = $post_id;
 940
 941         item_set_last_item($datarray);
 942
 943         // update filetags in pconfig
 944         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 945
 946         if ($parent) {
 947
 948                 // This item is the last leaf and gets the comment box, clear any ancestors
 949                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d AND `last-child` AND `id` != %d",
 950                         dbesc(datetime_convert()),
 951                         intval($parent),
 952                         intval($post_id)
 953                 );
 954
 955                 // update the commented timestamp on the parent
 956                 q("UPDATE `item` SET `visible` = 1, `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 957                         dbesc(datetime_convert()),
 958                         dbesc(datetime_convert()),
 959                         intval($parent)
 960                 );
 961
 962                 if ($contact_record != $author) {
 963                         notification(array(
 964                                 'type'         => NOTIFY_COMMENT,
 965                                 'notify_flags' => $user['notify-flags'],
 966                                 'language'     => $user['language'],
 967                                 'to_name'      => $user['username'],
 968                                 'to_email'     => $user['email'],
 969                                 'uid'          => $user['uid'],
 970                                 'item'         => $datarray,
 971                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
 972                                 'source_name'  => $datarray['author-name'],
 973                                 'source_link'  => $datarray['author-link'],
 974                                 'source_photo' => $datarray['author-avatar'],
 975                                 'verb'         => ACTIVITY_POST,
 976                                 'otype'        => 'item',
 977                                 'parent'       => $parent,
 978                                 'parent_uri'   => $parent_item['uri']
 979                         ));
 980
 981                 }
 982
 983
 984                 // Store the comment signature information in case we need to relay to Diaspora
 985                 Diaspora::store_comment_signature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
 986
 987         } else {
 988                 $parent = $post_id;
 989
 990                 $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
 991                         intval($parent),
 992                         intval($post_id));
 993
 994                 if (($contact_record != $author) && !count($forum_contact)) {
 995                         notification(array(
 996                                 'type'         => NOTIFY_WALL,
 997                                 'notify_flags' => $user['notify-flags'],
 998                                 'language'     => $user['language'],
 999                                 'to_name'      => $user['username'],
1000                                 'to_email'     => $user['email'],
1001                                 'uid'          => $user['uid'],
1002                                 'item'         => $datarray,
1003                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
1004                                 'source_name'  => $datarray['author-name'],
1005                                 'source_link'  => $datarray['author-link'],
1006                                 'source_photo' => $datarray['author-avatar'],
1007                                 'verb'         => ACTIVITY_POST,
1008                                 'otype'        => 'item'
1009                         ));
1010                 }
1011         }
1012
1013         call_hooks('post_local_end', $datarray);
1014
1015         if (strlen($emailcc) && $profile_uid == local_user()) {
1016                 $erecips = explode(',', $emailcc);
1017                 if (count($erecips)) {
1018                         foreach ($erecips as $recip) {
1019                                 $addr = trim($recip);
1020                                 if (! strlen($addr)) {
1021                                         continue;
1022                                 }
1023                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username'])
1024                                         . '<br />';
1025                                 $disclaimer .= sprintf( t('You may visit them online at %s'), System::baseUrl() . '/profile/' . $a->user['nickname']) . EOL;
1026                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
1027                                 if (!$datarray['title']=='') {
1028                                         $subject = email_header_encode($datarray['title'], 'UTF-8');
1029                                 } else {
1030                                         $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'), $a->user['username']), 'UTF-8');
1031                                 }
1032                                 $link = '<a href="' . System::baseUrl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
1033                                 $html    = prepare_body($datarray);
1034                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
1035                                 include_once 'include/html2plain.php';
1036                                 $params = array (
1037                                     'fromName' => $a->user['username'],
1038                                     'fromEmail' => $a->user['email'],
1039                                     'toEmail' => $addr,
1040                                     'replyTo' => $a->user['email'],
1041                                     'messageSubject' => $subject,
1042                                     'htmlVersion' => $message,
1043                                     'textVersion' => html2plain($html.$disclaimer),
1044                                 );
1045                                 Emailer::send($params);
1046                         }
1047                 }
1048         }
1049
1050         if ($post_id == $parent) {
1051                 add_thread($post_id);
1052         } else {
1053                 update_thread($parent, true);
1054         }
1055
1056         dba::commit();
1057
1058         create_tags_from_item($post_id);
1059         create_files_from_item($post_id);
1060
1061         // Insert an item entry for UID=0 for global entries.
1062         // We now do it in the background to save some time.
1063         // This is important in interactive environments like the frontend or the API.
1064         // We don't fork a new process since this is done anyway with the following command
1065         Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "create_shadowentry", $post_id);
1066
1067         // Call the background process that is delivering the item to the receivers
1068         Worker::add(PRIORITY_HIGH, "notifier", $notify_type, $post_id);
1069
1070         logger('post_complete');
1071
1072         item_post_return(System::baseUrl(), $api_source, $return_path);
1073         // NOTREACHED
1074 }
1075
1076 function item_post_return($baseurl, $api_source, $return_path) {
1077         // figure out how to return, depending on from whence we came
1078
1079         if ($api_source) {
1080                 return;
1081         }
1082
1083         if ($return_path) {
1084                 goaway($return_path);
1085         }
1086
1087         $json = array('success' => 1);
1088         if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
1089                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1090         }
1091
1092         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1093
1094         echo json_encode($json);
1095         killme();
1096 }
1097
1098
1099
1100 function item_content(App $a) {
1101
1102         if ((! local_user()) && (! remote_user())) {
1103                 return;
1104         }
1105
1106         require_once 'include/security.php';
1107
1108         $o = '';
1109         if (($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1110                 $o = drop_item($a->argv[2], !is_ajax());
1111                 if (is_ajax()) {
1112                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1113                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1114                         killme();
1115                 }
1116         }
1117         return $o;
1118 }
1119
1120 /**
1121  * This function removes the tag $tag from the text $body and replaces it with
1122  * the appropiate link.
1123  *
1124  * @param App $a Application instance @TODO is unused in this function's scope (excluding included files)
1125  * @param unknown_type $body the text to replace the tag in
1126  * @param string $inform a comma-seperated string containing everybody to inform
1127  * @param string $str_tags string to add the tag to
1128  * @param integer $profile_uid
1129  * @param string $tag the tag to replace
1130  * @param string $network The network of the post
1131  *
1132  * @return boolean true if replaced, false if not replaced
1133  */
1134 function handle_tag(App $a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1135         require_once 'include/socgraph.php';
1136
1137         $replaced = false;
1138         $r = null;
1139         $tag_type = '@';
1140
1141         //is it a person tag?
1142         if ((strpos($tag, '@') === 0) || (strpos($tag, '!') === 0)) {
1143                 $tag_type = substr($tag, 0, 1);
1144                 //is it already replaced?
1145                 if (strpos($tag, '[url=')) {
1146                         //append tag to str_tags
1147                         if (!stristr($str_tags, $tag)) {
1148                                 if (strlen($str_tags)) {
1149                                         $str_tags .= ',';
1150                                 }
1151                                 $str_tags .= $tag;
1152                         }
1153
1154                         // Checking for the alias that is used for OStatus
1155                         $pattern = "/[@!]\[url\=(.*?)\](.*?)\[\/url\]/ism";
1156                         if (preg_match($pattern, $tag, $matches)) {
1157
1158                                 $r = q("SELECT `alias`, `name` FROM `contact` WHERE `nurl` = '%s' AND `alias` != '' AND `uid` = 0",
1159                                         normalise_link($matches[1]));
1160                                 if (!dbm::is_result($r)) {
1161                                         $r = q("SELECT `alias`, `name` FROM `gcontact` WHERE `nurl` = '%s' AND `alias` != ''",
1162                                                 normalise_link($matches[1]));
1163                                 }
1164                                 if (dbm::is_result($r)) {
1165                                         $data = $r[0];
1166                                 } else {
1167                                         $data = Probe::uri($matches[1]);
1168                                 }
1169
1170                                 if ($data["alias"] != "") {
1171                                         $newtag = '@[url=' . $data["alias"] . ']' . $data["name"] . '[/url]';
1172                                         if (!stristr($str_tags, $newtag)) {
1173                                                 if (strlen($str_tags)) {
1174                                                         $str_tags .= ',';
1175                                                 }
1176                                                 $str_tags .= $newtag;
1177                                         }
1178                                 }
1179                         }
1180
1181                         return $replaced;
1182                 }
1183                 $stat = false;
1184                 //get the person's name
1185                 $name = substr($tag, 1);
1186
1187                 // Sometimes the tag detection doesn't seem to work right
1188                 // This is some workaround
1189                 $nameparts = explode(" ", $name);
1190                 $name = $nameparts[0];
1191
1192                 // Try to detect the contact in various ways
1193                 if ((strpos($name, '@')) || (strpos($name, 'http://'))) {
1194                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1195
1196                         // First check the contact table for the address
1197                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1198                                 WHERE `addr` = '%s' AND `uid` = %d AND
1199                                         (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1200                                 LIMIT 1",
1201                                         dbesc($name),
1202                                         intval($profile_uid),
1203                                         dbesc(NETWORK_OSTATUS)
1204                         );
1205
1206                         // Then check in the contact table for the url
1207                         if (!dbm::is_result($r)) {
1208                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1209                                         WHERE `nurl` = '%s' AND `uid` = %d AND
1210                                                 (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1211                                         LIMIT 1",
1212                                                 dbesc(normalise_link($name)),
1213                                                 intval($profile_uid),
1214                                                 dbesc(NETWORK_OSTATUS)
1215                                 );
1216                         }
1217
1218                         // Then check in the global contacts for the address
1219                         if (!dbm::is_result($r)) {
1220                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1221                                         WHERE `addr` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1222                                         LIMIT 1",
1223                                                 dbesc($name),
1224                                                 dbesc(NETWORK_OSTATUS)
1225                                 );
1226                         }
1227
1228                         // Then check in the global contacts for the url
1229                         if (!dbm::is_result($r)) {
1230                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1231                                         WHERE `nurl` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1232                                         LIMIT 1",
1233                                                 dbesc(normalise_link($name)),
1234                                                 dbesc(NETWORK_OSTATUS)
1235                                 );
1236                         }
1237
1238                         if (!dbm::is_result($r)) {
1239                                 $probed = Probe::uri($name);
1240                                 if ($result['network'] != NETWORK_PHANTOM) {
1241                                         update_gcontact($probed);
1242                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1243                                                 dbesc(normalise_link($probed["url"])));
1244                                 }
1245                         }
1246                 } else {
1247                         $r = false;
1248                         if (strrpos($name, '+')) {
1249                                 // Is it in format @nick+number?
1250                                 $tagcid = intval(substr($name, strrpos($name, '+') + 1));
1251
1252                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1253                                                 intval($tagcid),
1254                                                 intval($profile_uid)
1255                                 );
1256                         }
1257
1258                         // select someone by attag or nick and the name passed in the current network
1259                         if(!dbm::is_result($r) && ($network != ""))
1260                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1261                                                 dbesc($name),
1262                                                 dbesc($name),
1263                                                 dbesc($network),
1264                                                 intval($profile_uid)
1265                                 );
1266
1267                         //select someone from this user's contacts by name in the current network
1268                         if (!dbm::is_result($r) && ($network != "")) {
1269                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1270                                                 dbesc($name),
1271                                                 dbesc($network),
1272                                                 intval($profile_uid)
1273                                 );
1274                         }
1275
1276                         // select someone by attag or nick and the name passed in
1277                         if(!dbm::is_result($r)) {
1278                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1279                                                 dbesc($name),
1280                                                 dbesc($name),
1281                                                 intval($profile_uid)
1282                                 );
1283                         }
1284
1285                         // select someone from this user's contacts by name
1286                         if(!dbm::is_result($r)) {
1287                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1288                                                 dbesc($name),
1289                                                 intval($profile_uid)
1290                                 );
1291                         }
1292                 }
1293
1294                 if (dbm::is_result($r)) {
1295                         if (strlen($inform) && (isset($r[0]["notify"]) || isset($r[0]["id"]))) {
1296                                 $inform .= ',';
1297                         }
1298
1299                         if (isset($r[0]["id"])) {
1300                                 $inform .= 'cid:' . $r[0]["id"];
1301                         } elseif (isset($r[0]["notify"])) {
1302                                 $inform  .= $r[0]["notify"];
1303                         }
1304
1305                         $profile = $r[0]["url"];
1306                         $alias   = $r[0]["alias"];
1307                         $newname = $r[0]["nick"];
1308                         if (($newname == "") || (($r[0]["network"] != NETWORK_OSTATUS) && ($r[0]["network"] != NETWORK_TWITTER)
1309                                 && ($r[0]["network"] != NETWORK_STATUSNET) && ($r[0]["network"] != NETWORK_APPNET))) {
1310                                 $newname = $r[0]["name"];
1311                         }
1312                 }
1313
1314                 //if there is an url for this persons profile
1315                 if (isset($profile) && ($newname != "")) {
1316                         $replaced = true;
1317                         // create profile link
1318                         $profile = str_replace(',', '%2c', $profile);
1319                         $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
1320                         $body = str_replace($tag_type . $name, $newtag, $body);
1321                         // append tag to str_tags
1322                         if (! stristr($str_tags, $newtag)) {
1323                                 if (strlen($str_tags)) {
1324                                         $str_tags .= ',';
1325                                 }
1326                                 $str_tags .= $newtag;
1327                         }
1328
1329                         /*
1330                          * Status.Net seems to require the numeric ID URL in a mention if the person isn't
1331                          * subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1332                          */
1333                         if (strlen($alias)) {
1334                                 $newtag = '@[url=' . $alias . ']' . $newname . '[/url]';
1335                                 if (! stristr($str_tags, $newtag)) {
1336                                         if (strlen($str_tags)) {
1337                                                 $str_tags .= ',';
1338                                         }
1339                                         $str_tags .= $newtag;
1340                                 }
1341                         }
1342                 }
1343         }
1344
1345         return array('replaced' => $replaced, 'contact' => $r[0]);
1346 }