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($toplevel_parent)) {
 560                         if (!empty($toplevel_parent[0]['addr'])) {
 561                                 $toplevel_contact = '@' . $toplevel_parent[0]['addr'];
 562                         } else {
 563                                 $toplevel_contact = '@' . $toplevel_parent[0]['nick'] . '+' . $toplevel_parent[0]['id'];
 564                         }
 565                 } else {
 566                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 567                         $toplevel_contact = '@[url=' . $toplevel_parent[0]['author-link'] . ']' . $toplevel_parent[0]['author-name'] . '[/url]';
 568                 }
 569
 570                 if (!in_array($toplevel_contact, $tags)) {
 571                         $tags[] = $toplevel_contact;
 572                 }
 573         }
 574
 575         $tagged = array();
 576
 577         $private_forum = false;
 578         $only_to_forum = false;
 579         $forum_contact = array();
 580
 581         if (count($tags)) {
 582                 foreach ($tags as $tag) {
 583
 584                         $tag_type = substr($tag, 0, 1);
 585
 586                         if ($tag_type == '#') {
 587                                 continue;
 588                         }
 589
 590                         /*
 591                          * If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 592                          * Robert Johnson should be first in the $tags array
 593                          */
 594                         $fullnametagged = false;
 595                         /// @TODO $tagged is initialized above if() block and is not filled, maybe old-lost code?
 596                         foreach ($tagged as $nextTag) {
 597                                 if (stristr($nextTag, $tag . ' ')) {
 598                                         $fullnametagged = true;
 599                                         break;
 600                                 }
 601                         }
 602                         if ($fullnametagged) {
 603                                 continue;
 604                         }
 605
 606                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 607                         if ($success['replaced']) {
 608                                 $tagged[] = $tag;
 609                         }
 610                         // When the forum is private or the forum is addressed with a "!" make the post private
 611                         if (is_array($success['contact']) && ($success['contact']['prv'] || ($tag_type == '!'))) {
 612                                 $private_forum = $success['contact']['prv'];
 613                                 $only_to_forum = ($tag_type == '!');
 614                                 $private_id = $success['contact']['id'];
 615                                 $forum_contact = $success['contact'];
 616                         } elseif (is_array($success['contact']) && $success['contact']['forum'] &&
 617                                 ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 618                                 $private_forum = false;
 619                                 $only_to_forum = true;
 620                                 $private_id = $success['contact']['id'];
 621                                 $forum_contact = $success['contact'];
 622                         }
 623                 }
 624         }
 625
 626         if (!$parent && count($forum_contact) && ($private_forum || $only_to_forum)) {
 627                 // we tagged a forum in a top level post. Now we change the post
 628                 $private = $private_forum;
 629
 630                 $str_group_allow = '';
 631                 $str_contact_deny = '';
 632                 $str_group_deny = '';
 633                 if ($private_forum) {
 634                         $str_contact_allow = '<' . $private_id . '>';
 635                 } else {
 636                         $str_contact_allow = '';
 637                 }
 638                 $contact_id = $private_id;
 639                 $contact_record = $forum_contact;
 640                 $_REQUEST['origin'] = false;
 641         }
 642
 643         $attachments = '';
 644         $match = false;
 645
 646         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 647                 foreach ($match[2] as $mtch) {
 648                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 649                                 intval($profile_uid),
 650                                 intval($mtch)
 651                         );
 652                         if (dbm::is_result($r)) {
 653                                 if (strlen($attachments)) {
 654                                         $attachments .= ',';
 655                                 }
 656                                 $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]';
 657                         }
 658                         $body = str_replace($match[1],'',$body);
 659                 }
 660         }
 661
 662         $wall = 0;
 663
 664         if (($post_type === 'wall' || $post_type === 'wall-comment') && !count($forum_contact)) {
 665                 $wall = 1;
 666         }
 667
 668         if (! strlen($verb)) {
 669                 $verb = ACTIVITY_POST ;
 670         }
 671
 672         if ($network == "") {
 673                 $network = NETWORK_DFRN;
 674         }
 675
 676         $gravity = (($parent) ? 6 : 0 );
 677
 678         // even if the post arrived via API we are considering that it
 679         // originated on this site by default for determining relayability.
 680
 681         $origin = ((x($_REQUEST, 'origin')) ? intval($_REQUEST['origin']) : 1);
 682
 683         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 684
 685         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 686
 687         // Fallback so that we alway have a thr-parent
 688         if (!$thr_parent) {
 689                 $thr_parent = $uri;
 690         }
 691
 692         $datarray = array();
 693         $datarray['uid']           = $profile_uid;
 694         $datarray['type']          = $post_type;
 695         $datarray['wall']          = $wall;
 696         $datarray['gravity']       = $gravity;
 697         $datarray['network']       = $network;
 698         $datarray['contact-id']    = $contact_id;
 699         $datarray['owner-name']    = $contact_record['name'];
 700         $datarray['owner-link']    = $contact_record['url'];
 701         $datarray['owner-avatar']  = $contact_record['thumb'];
 702         $datarray['owner-id']      = get_contact($datarray['owner-link'], 0);
 703         $datarray['author-name']   = $author['name'];
 704         $datarray['author-link']   = $author['url'];
 705         $datarray['author-avatar'] = $author['thumb'];
 706         $datarray['author-id']     = get_contact($datarray['author-link'], 0);
 707         $datarray['created']       = datetime_convert();
 708         $datarray['edited']        = datetime_convert();
 709         $datarray['commented']     = datetime_convert();
 710         $datarray['received']      = datetime_convert();
 711         $datarray['changed']       = datetime_convert();
 712         $datarray['extid']         = $extid;
 713         $datarray['guid']          = $guid;
 714         $datarray['uri']           = $uri;
 715         $datarray['title']         = $title;
 716         $datarray['body']          = $body;
 717         $datarray['app']           = $app;
 718         $datarray['location']      = $location;
 719         $datarray['coord']         = $coord;
 720         $datarray['tag']           = $str_tags;
 721         $datarray['file']          = $categories;
 722         $datarray['inform']        = $inform;
 723         $datarray['verb']          = $verb;
 724         $datarray['object-type']   = $objecttype;
 725         $datarray['allow_cid']     = $str_contact_allow;
 726         $datarray['allow_gid']     = $str_group_allow;
 727         $datarray['deny_cid']      = $str_contact_deny;
 728         $datarray['deny_gid']      = $str_group_deny;
 729         $datarray['private']       = $private;
 730         $datarray['pubmail']       = $pubmail_enable;
 731         $datarray['attach']        = $attachments;
 732         $datarray['bookmark']      = intval($bookmark);
 733         $datarray['thr-parent']    = $thr_parent;
 734         $datarray['postopts']      = $postopts;
 735         $datarray['origin']        = $origin;
 736         $datarray['moderated']     = $allow_moderated;
 737         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 738                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 739         $datarray['object']        = $object;
 740
 741         /*
 742          * These fields are for the convenience of plugins...
 743          * 'self' if true indicates the owner is posting on their own wall
 744          * If parent is 0 it is a top-level post.
 745          */
 746         $datarray['parent']        = $parent;
 747         $datarray['self']          = $self;
 748 //      $datarray['prvnets']       = $user['prvnets'];
 749
 750         // This triggers posts via API and the mirror functions
 751         $datarray['api_source'] = $api_source;
 752
 753         $datarray['parent-uri'] = ($parent == 0) ? $uri : $parent_item['uri'];
 754         $datarray['plink'] = System::baseUrl() . '/display/' . urlencode($datarray['guid']);
 755         $datarray['last-child'] = 1;
 756         $datarray['visible'] = 1;
 757
 758         $datarray['protocol'] = PROTOCOL_DFRN;
 759
 760         $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $datarray['parent-uri']);
 761         if (dbm::is_result($r)) {
 762                 if ($r['conversation-uri'] != '') {
 763                         $datarray['conversation-uri'] = $r['conversation-uri'];
 764                 }
 765                 if ($r['conversation-href'] != '') {
 766                         $datarray['conversation-href'] = $r['conversation-href'];
 767                 }
 768         }
 769
 770         if ($orig_post) {
 771                 $datarray['edit'] = true;
 772         }
 773
 774         // Search for hashtags
 775         item_body_set_hashtags($datarray);
 776
 777         // preview mode - prepare the body for display and send it via json
 778         if ($preview) {
 779                 require_once 'include/conversation.php';
 780                 // We set the datarray ID to -1 because in preview mode the dataray
 781                 // doesn't have an ID.
 782                 $datarray["id"] = -1;
 783                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 784                 logger('preview: ' . $o);
 785                 echo json_encode(array('preview' => $o));
 786                 killme();
 787         }
 788
 789         call_hooks('post_local',$datarray);
 790
 791         if (x($datarray, 'cancel')) {
 792                 logger('mod_item: post cancelled by plugin.');
 793                 if ($return_path) {
 794                         goaway($return_path);
 795                 }
 796
 797                 $json = array('cancel' => 1);
 798                 if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
 799                         $json['reload'] = System::baseUrl() . '/' . $_REQUEST['jsreload'];
 800                 }
 801
 802                 echo json_encode($json);
 803                 killme();
 804         }
 805
 806         // Fill the cache field
 807         put_item_in_cache($datarray);
 808
 809         $datarray = store_conversation($datarray);
 810
 811         if ($orig_post) {
 812                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 813                         dbesc($datarray['title']),
 814                         dbesc($datarray['body']),
 815                         dbesc($datarray['tag']),
 816                         dbesc($datarray['attach']),
 817                         dbesc($datarray['file']),
 818                         dbesc($datarray['rendered-html']),
 819                         dbesc($datarray['rendered-hash']),
 820                         dbesc(datetime_convert()),
 821                         dbesc(datetime_convert()),
 822                         intval($post_id),
 823                         intval($profile_uid)
 824                 );
 825
 826                 create_tags_from_item($post_id);
 827                 create_files_from_item($post_id);
 828                 update_thread($post_id);
 829
 830                 // update filetags in pconfig
 831                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 832
 833                 proc_run(PRIORITY_HIGH, "include/notifier.php", 'edit_post', $post_id);
 834                 if ((x($_REQUEST, 'return')) && strlen($return_path)) {
 835                         logger('return: ' . $return_path);
 836                         goaway($return_path);
 837                 }
 838                 killme();
 839         } else {
 840                 $post_id = 0;
 841         }
 842
 843         dba::transaction();
 844
 845         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,
 846                                         `owner-name`,`owner-link`,`owner-avatar`, `owner-id`,
 847                                         `author-name`, `author-link`, `author-avatar`, `author-id`,
 848                                         `created`, `edited`, `commented`, `received`, `changed`,
 849                                         `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 850                                         `tag`, `inform`, `verb`, `object-type`, `postopts`,
 851                                         `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`,
 852                                         `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`,
 853                                         `rendered-html`, `rendered-hash`, `gcontact-id`, `object`,
 854                                         `parent`, `parent-uri`, `plink`, `last-child`, `visible`)
 855                 VALUES('%s', '%s', %d, '%s', %d, %d, '%s', %d,
 856                         '%s', '%s', '%s', %d,
 857                         '%s', '%s', '%s', %d,
 858                         '%s', '%s', '%s', '%s', '%s',
 859                         '%s', '%s', '%s', '%s', '%s', '%s', '%s',
 860                         '%s', '%s', '%s', '%s', '%s',
 861                         '%s', '%s', '%s', '%s', %d,
 862                         %d, '%s', %d, %d, %d, '%s',
 863                         '%s', '%s', %d, '%s',
 864                         %d, '%s', '%s', %d, %d)",
 865                 dbesc($datarray['guid']),
 866                 dbesc($datarray['extid']),
 867                 intval($datarray['uid']),
 868                 dbesc($datarray['type']),
 869                 intval($datarray['wall']),
 870                 intval($datarray['gravity']),
 871                 dbesc($datarray['network']),
 872                 intval($datarray['contact-id']),
 873                 dbesc($datarray['owner-name']),
 874                 dbesc($datarray['owner-link']),
 875                 dbesc($datarray['owner-avatar']),
 876                 intval($datarray['owner-id']),
 877                 dbesc($datarray['author-name']),
 878                 dbesc($datarray['author-link']),
 879                 dbesc($datarray['author-avatar']),
 880                 intval($datarray['author-id']),
 881                 dbesc($datarray['created']),
 882                 dbesc($datarray['edited']),
 883                 dbesc($datarray['commented']),
 884                 dbesc($datarray['received']),
 885                 dbesc($datarray['changed']),
 886                 dbesc($datarray['uri']),
 887                 dbesc($datarray['thr-parent']),
 888                 dbesc($datarray['title']),
 889                 dbesc($datarray['body']),
 890                 dbesc($datarray['app']),
 891                 dbesc($datarray['location']),
 892                 dbesc($datarray['coord']),
 893                 dbesc($datarray['tag']),
 894                 dbesc($datarray['inform']),
 895                 dbesc($datarray['verb']),
 896                 dbesc($datarray['object-type']),
 897                 dbesc($datarray['postopts']),
 898                 dbesc($datarray['allow_cid']),
 899                 dbesc($datarray['allow_gid']),
 900                 dbesc($datarray['deny_cid']),
 901                 dbesc($datarray['deny_gid']),
 902                 intval($datarray['private']),
 903                 intval($datarray['pubmail']),
 904                 dbesc($datarray['attach']),
 905                 intval($datarray['bookmark']),
 906                 intval($datarray['origin']),
 907                 intval($datarray['moderated']),
 908                 dbesc($datarray['file']),
 909                 dbesc($datarray['rendered-html']),
 910                 dbesc($datarray['rendered-hash']),
 911                 intval($datarray['gcontact-id']),
 912                 dbesc($datarray['object']),
 913                 intval($datarray['parent']),
 914                 dbesc($datarray['parent-uri']),
 915                 dbesc($datarray['plink']),
 916                 intval($datarray['last-child']),
 917                 intval($datarray['visible'])
 918         );
 919
 920         if (dbm::is_result($r)) {
 921                 $post_id = dba::lastInsertId();
 922         } else {
 923                 logger('mod_item: unable to create post.');
 924                 $post_id = 0;
 925         }
 926
 927         if ($post_id == 0) {
 928                 dba::commit();
 929                 logger('mod_item: unable to retrieve post that was just stored.');
 930                 notice(t('System error. Post not saved.') . EOL);
 931                 goaway($return_path);
 932                 // NOTREACHED
 933         }
 934
 935         logger('mod_item: saved item ' . $post_id);
 936
 937         $datarray["id"] = $post_id;
 938
 939         item_set_last_item($datarray);
 940
 941         // update filetags in pconfig
 942         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 943
 944         if ($parent) {
 945
 946                 // This item is the last leaf and gets the comment box, clear any ancestors
 947                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d AND `last-child` AND `id` != %d",
 948                         dbesc(datetime_convert()),
 949                         intval($parent),
 950                         intval($post_id)
 951                 );
 952
 953                 // update the commented timestamp on the parent
 954                 q("UPDATE `item` SET `visible` = 1, `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 955                         dbesc(datetime_convert()),
 956                         dbesc(datetime_convert()),
 957                         intval($parent)
 958                 );
 959
 960                 if ($contact_record != $author) {
 961                         notification(array(
 962                                 'type'         => NOTIFY_COMMENT,
 963                                 'notify_flags' => $user['notify-flags'],
 964                                 'language'     => $user['language'],
 965                                 'to_name'      => $user['username'],
 966                                 'to_email'     => $user['email'],
 967                                 'uid'          => $user['uid'],
 968                                 'item'         => $datarray,
 969                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
 970                                 'source_name'  => $datarray['author-name'],
 971                                 'source_link'  => $datarray['author-link'],
 972                                 'source_photo' => $datarray['author-avatar'],
 973                                 'verb'         => ACTIVITY_POST,
 974                                 'otype'        => 'item',
 975                                 'parent'       => $parent,
 976                                 'parent_uri'   => $parent_item['uri']
 977                         ));
 978
 979                 }
 980
 981
 982                 // Store the comment signature information in case we need to relay to Diaspora
 983                 Diaspora::store_comment_signature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
 984
 985         } else {
 986                 $parent = $post_id;
 987
 988                 $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
 989                         intval($parent),
 990                         intval($post_id));
 991
 992                 if (($contact_record != $author) && !count($forum_contact)) {
 993                         notification(array(
 994                                 'type'         => NOTIFY_WALL,
 995                                 'notify_flags' => $user['notify-flags'],
 996                                 'language'     => $user['language'],
 997                                 'to_name'      => $user['username'],
 998                                 'to_email'     => $user['email'],
 999                                 'uid'          => $user['uid'],
1000                                 'item'         => $datarray,
1001                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
1002                                 'source_name'  => $datarray['author-name'],
1003                                 'source_link'  => $datarray['author-link'],
1004                                 'source_photo' => $datarray['author-avatar'],
1005                                 'verb'         => ACTIVITY_POST,
1006                                 'otype'        => 'item'
1007                         ));
1008                 }
1009         }
1010
1011         call_hooks('post_local_end', $datarray);
1012
1013         if (strlen($emailcc) && $profile_uid == local_user()) {
1014                 $erecips = explode(',', $emailcc);
1015                 if (count($erecips)) {
1016                         foreach ($erecips as $recip) {
1017                                 $addr = trim($recip);
1018                                 if (! strlen($addr)) {
1019                                         continue;
1020                                 }
1021                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username'])
1022                                         . '<br />';
1023                                 $disclaimer .= sprintf( t('You may visit them online at %s'), System::baseUrl() . '/profile/' . $a->user['nickname']) . EOL;
1024                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
1025                                 if (!$datarray['title']=='') {
1026                                         $subject = email_header_encode($datarray['title'], 'UTF-8');
1027                                 } else {
1028                                         $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'), $a->user['username']), 'UTF-8');
1029                                 }
1030                                 $link = '<a href="' . System::baseUrl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
1031                                 $html    = prepare_body($datarray);
1032                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
1033                                 include_once 'include/html2plain.php';
1034                                 $params = array (
1035                                     'fromName' => $a->user['username'],
1036                                     'fromEmail' => $a->user['email'],
1037                                     'toEmail' => $addr,
1038                                     'replyTo' => $a->user['email'],
1039                                     'messageSubject' => $subject,
1040                                     'htmlVersion' => $message,
1041                                     'textVersion' => html2plain($html.$disclaimer),
1042                                 );
1043                                 Emailer::send($params);
1044                         }
1045                 }
1046         }
1047
1048         if ($post_id == $parent) {
1049                 add_thread($post_id);
1050         } else {
1051                 update_thread($parent, true);
1052         }
1053
1054         dba::commit();
1055
1056         create_tags_from_item($post_id);
1057         create_files_from_item($post_id);
1058
1059         // Insert an item entry for UID=0 for global entries.
1060         // We now do it in the background to save some time.
1061         // This is important in interactive environments like the frontend or the API.
1062         // We don't fork a new process since this is done anyway with the following command
1063         proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
1064
1065         // Call the background process that is delivering the item to the receivers
1066         proc_run(PRIORITY_HIGH, "include/notifier.php", $notify_type, $post_id);
1067
1068         logger('post_complete');
1069
1070         item_post_return(System::baseUrl(), $api_source, $return_path);
1071         // NOTREACHED
1072 }
1073
1074 function item_post_return($baseurl, $api_source, $return_path) {
1075         // figure out how to return, depending on from whence we came
1076
1077         if ($api_source) {
1078                 return;
1079         }
1080
1081         if ($return_path) {
1082                 goaway($return_path);
1083         }
1084
1085         $json = array('success' => 1);
1086         if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
1087                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1088         }
1089
1090         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1091
1092         echo json_encode($json);
1093         killme();
1094 }
1095
1096
1097
1098 function item_content(App $a) {
1099
1100         if ((! local_user()) && (! remote_user())) {
1101                 return;
1102         }
1103
1104         require_once 'include/security.php';
1105
1106         $o = '';
1107         if (($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1108                 $o = drop_item($a->argv[2], !is_ajax());
1109                 if (is_ajax()) {
1110                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1111                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1112                         killme();
1113                 }
1114         }
1115         return $o;
1116 }
1117
1118 /**
1119  * This function removes the tag $tag from the text $body and replaces it with
1120  * the appropiate link.
1121  *
1122  * @param App $a Application instance @TODO is unused in this function's scope (excluding included files)
1123  * @param unknown_type $body the text to replace the tag in
1124  * @param string $inform a comma-seperated string containing everybody to inform
1125  * @param string $str_tags string to add the tag to
1126  * @param integer $profile_uid
1127  * @param string $tag the tag to replace
1128  * @param string $network The network of the post
1129  *
1130  * @return boolean true if replaced, false if not replaced
1131  */
1132 function handle_tag(App $a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1133         require_once 'include/socgraph.php';
1134
1135         $replaced = false;
1136         $r = null;
1137         $tag_type = '@';
1138
1139         //is it a person tag?
1140         if ((strpos($tag, '@') === 0) || (strpos($tag, '!') === 0)) {
1141                 $tag_type = substr($tag, 0, 1);
1142                 //is it already replaced?
1143                 if (strpos($tag, '[url=')) {
1144                         //append tag to str_tags
1145                         if (!stristr($str_tags, $tag)) {
1146                                 if (strlen($str_tags)) {
1147                                         $str_tags .= ',';
1148                                 }
1149                                 $str_tags .= $tag;
1150                         }
1151
1152                         // Checking for the alias that is used for OStatus
1153                         $pattern = "/[@!]\[url\=(.*?)\](.*?)\[\/url\]/ism";
1154                         if (preg_match($pattern, $tag, $matches)) {
1155
1156                                 $r = q("SELECT `alias`, `name` FROM `contact` WHERE `nurl` = '%s' AND `alias` != '' AND `uid` = 0",
1157                                         normalise_link($matches[1]));
1158                                 if (!dbm::is_result($r)) {
1159                                         $r = q("SELECT `alias`, `name` FROM `gcontact` WHERE `nurl` = '%s' AND `alias` != ''",
1160                                                 normalise_link($matches[1]));
1161                                 }
1162                                 if (dbm::is_result($r)) {
1163                                         $data = $r[0];
1164                                 } else {
1165                                         $data = probe_url($matches[1]);
1166                                 }
1167
1168                                 if ($data["alias"] != "") {
1169                                         $newtag = '@[url=' . $data["alias"] . ']' . $data["name"] . '[/url]';
1170                                         if (!stristr($str_tags, $newtag)) {
1171                                                 if (strlen($str_tags)) {
1172                                                         $str_tags .= ',';
1173                                                 }
1174                                                 $str_tags .= $newtag;
1175                                         }
1176                                 }
1177                         }
1178
1179                         return $replaced;
1180                 }
1181                 $stat = false;
1182                 //get the person's name
1183                 $name = substr($tag, 1);
1184
1185                 // Sometimes the tag detection doesn't seem to work right
1186                 // This is some workaround
1187                 $nameparts = explode(" ", $name);
1188                 $name = $nameparts[0];
1189
1190                 // Try to detect the contact in various ways
1191                 if ((strpos($name, '@')) || (strpos($name, 'http://'))) {
1192                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1193
1194                         // First check the contact table for the address
1195                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1196                                 WHERE `addr` = '%s' AND `uid` = %d AND
1197                                         (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1198                                 LIMIT 1",
1199                                         dbesc($name),
1200                                         intval($profile_uid),
1201                                         dbesc(NETWORK_OSTATUS)
1202                         );
1203
1204                         // Then check in the contact table for the url
1205                         if (!dbm::is_result($r)) {
1206                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1207                                         WHERE `nurl` = '%s' AND `uid` = %d AND
1208                                                 (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1209                                         LIMIT 1",
1210                                                 dbesc(normalise_link($name)),
1211                                                 intval($profile_uid),
1212                                                 dbesc(NETWORK_OSTATUS)
1213                                 );
1214                         }
1215
1216                         // Then check in the global contacts for the address
1217                         if (!dbm::is_result($r)) {
1218                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1219                                         WHERE `addr` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1220                                         LIMIT 1",
1221                                                 dbesc($name),
1222                                                 dbesc(NETWORK_OSTATUS)
1223                                 );
1224                         }
1225
1226                         // Then check in the global contacts for the url
1227                         if (!dbm::is_result($r)) {
1228                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1229                                         WHERE `nurl` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1230                                         LIMIT 1",
1231                                                 dbesc(normalise_link($name)),
1232                                                 dbesc(NETWORK_OSTATUS)
1233                                 );
1234                         }
1235
1236                         if (!dbm::is_result($r)) {
1237                                 $probed = probe_url($name);
1238                                 if ($result['network'] != NETWORK_PHANTOM) {
1239                                         update_gcontact($probed);
1240                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1241                                                 dbesc(normalise_link($probed["url"])));
1242                                 }
1243                         }
1244                 } else {
1245                         $r = false;
1246                         if (strrpos($name, '+')) {
1247                                 // Is it in format @nick+number?
1248                                 $tagcid = intval(substr($name, strrpos($name, '+') + 1));
1249
1250                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1251                                                 intval($tagcid),
1252                                                 intval($profile_uid)
1253                                 );
1254                         }
1255
1256                         // select someone by attag or nick and the name passed in the current network
1257                         if(!dbm::is_result($r) && ($network != ""))
1258                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1259                                                 dbesc($name),
1260                                                 dbesc($name),
1261                                                 dbesc($network),
1262                                                 intval($profile_uid)
1263                                 );
1264
1265                         //select someone from this user's contacts by name in the current network
1266                         if (!dbm::is_result($r) && ($network != "")) {
1267                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1268                                                 dbesc($name),
1269                                                 dbesc($network),
1270                                                 intval($profile_uid)
1271                                 );
1272                         }
1273
1274                         // select someone by attag or nick and the name passed in
1275                         if(!dbm::is_result($r)) {
1276                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1277                                                 dbesc($name),
1278                                                 dbesc($name),
1279                                                 intval($profile_uid)
1280                                 );
1281                         }
1282
1283                         // select someone from this user's contacts by name
1284                         if(!dbm::is_result($r)) {
1285                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1286                                                 dbesc($name),
1287                                                 intval($profile_uid)
1288                                 );
1289                         }
1290                 }
1291
1292                 if (dbm::is_result($r)) {
1293                         if (strlen($inform) && (isset($r[0]["notify"]) || isset($r[0]["id"]))) {
1294                                 $inform .= ',';
1295                         }
1296
1297                         if (isset($r[0]["id"])) {
1298                                 $inform .= 'cid:' . $r[0]["id"];
1299                         } elseif (isset($r[0]["notify"])) {
1300                                 $inform  .= $r[0]["notify"];
1301                         }
1302
1303                         $profile = $r[0]["url"];
1304                         $alias   = $r[0]["alias"];
1305                         $newname = $r[0]["nick"];
1306                         if (($newname == "") || (($r[0]["network"] != NETWORK_OSTATUS) && ($r[0]["network"] != NETWORK_TWITTER)
1307                                 && ($r[0]["network"] != NETWORK_STATUSNET) && ($r[0]["network"] != NETWORK_APPNET))) {
1308                                 $newname = $r[0]["name"];
1309                         }
1310                 }
1311
1312                 //if there is an url for this persons profile
1313                 if (isset($profile) && ($newname != "")) {
1314                         $replaced = true;
1315                         // create profile link
1316                         $profile = str_replace(',', '%2c', $profile);
1317                         $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
1318                         $body = str_replace($tag_type . $name, $newtag, $body);
1319                         // append tag to str_tags
1320                         if (! stristr($str_tags, $newtag)) {
1321                                 if (strlen($str_tags)) {
1322                                         $str_tags .= ',';
1323                                 }
1324                                 $str_tags .= $newtag;
1325                         }
1326
1327                         /*
1328                          * Status.Net seems to require the numeric ID URL in a mention if the person isn't
1329                          * subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1330                          */
1331                         if (strlen($alias)) {
1332                                 $newtag = '@[url=' . $alias . ']' . $newname . '[/url]';
1333                                 if (! stristr($str_tags, $newtag)) {
1334                                         if (strlen($str_tags)) {
1335                                                 $str_tags .= ',';
1336                                         }
1337                                         $str_tags .= $newtag;
1338                                 }
1339                         }
1340                 }
1341         }
1342
1343         return array('replaced' => $replaced, 'contact' => $r[0]);
1344 }