mod/item.php

   1 <?php
   2
   3 /**
   4  *
   5  * This is the POST destination for most all locally posted
   6  * text stuff. This function handles status, wall-to-wall status,
   7  * local comments, and remote coments that are posted on this site
   8  * (as opposed to being delivered in a feed).
   9  * Also processed here are posts and comments coming through the
  10  * statusnet/twitter API.
  11  * All of these become an "item" which is our basic unit of
  12  * information.
  13  * Posts that originate externally or do not fall into the above
  14  * posting categories go through item_store() instead of this function.
  15  *
  16  */
  17
  18 require_once('include/crypto.php');
  19 require_once('include/enotify.php');
  20 require_once('include/email.php');
  21 require_once('include/tags.php');
  22 require_once('include/files.php');
  23 require_once('include/threads.php');
  24 require_once('include/text.php');
  25 require_once('include/items.php');
  26 require_once('include/Scrape.php');
  27
  28 if(! function_exists('item_post')) {
  29 function item_post(&$a) {
  30
  31         if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
  32                 return;
  33
  34         require_once('include/security.php');
  35
  36         $uid = local_user();
  37
  38         if(x($_REQUEST,'dropitems')) {
  39                 $arr_drop = explode(',',$_REQUEST['dropitems']);
  40                 drop_items($arr_drop);
  41                 $json = array('success' => 1);
  42                 echo json_encode($json);
  43                 killme();
  44         }
  45
  46         call_hooks('post_local_start', $_REQUEST);
  47 //      logger('postinput ' . file_get_contents('php://input'));
  48         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  49
  50         $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
  51
  52         $message_id = ((x($_REQUEST,'message_id') && $api_source)  ? strip_tags($_REQUEST['message_id'])       : '');
  53
  54         $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
  55         $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
  56
  57
  58         // Check for doubly-submitted posts, and reject duplicates
  59         // Note that we have to ignore previews, otherwise nothing will post
  60         // after it's been previewed
  61         if(!$preview && x($_REQUEST['post_id_random'])) {
  62                 if(x($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  63                         logger("item post: duplicate post", LOGGER_DEBUG);
  64                         item_post_return($a->get_baseurl(), $api_source, $return_path);
  65                 }
  66                 else
  67                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  68         }
  69
  70         /**
  71          * Is this a reply to something?
  72          */
  73
  74         $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
  75         $parent_uri = ((x($_REQUEST,'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  76
  77         $parent_item = null;
  78         $parent_contact = null;
  79         $thr_parent = '';
  80         $parid = 0;
  81         $r = false;
  82         $objecttype = null;
  83
  84         if($parent || $parent_uri) {
  85
  86                 $objecttype = ACTIVITY_OBJ_COMMENT;
  87
  88                 if(! x($_REQUEST,'type'))
  89                         $_REQUEST['type'] = 'net-comment';
  90
  91                 if($parent) {
  92                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  93                                 intval($parent)
  94                         );
  95                 } elseif($parent_uri && local_user()) {
  96                         // This is coming from an API source, and we are logged in
  97                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  98                                 dbesc($parent_uri),
  99                                 intval(local_user())
 100                         );
 101                 }
 102
 103                 // if this isn't the real parent of the conversation, find it
 104                 if($r !== false && count($r)) {
 105                         $parid = $r[0]['parent'];
 106                         $parent_uri = $r[0]['uri'];
 107                         if($r[0]['id'] != $r[0]['parent']) {
 108                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 109                                         intval($parid)
 110                                 );
 111                         }
 112                 }
 113
 114                 if(($r === false) || (! count($r))) {
 115                         notice( t('Unable to locate original post.') . EOL);
 116                         if(x($_REQUEST,'return'))
 117                                 goaway($a->get_baseurl() . "/" . $return_path );
 118                         killme();
 119                 }
 120                 $parent_item = $r[0];
 121                 $parent = $r[0]['id'];
 122
 123                 // multi-level threading - preserve the info but re-parent to our single level threading
 124                 //if(($parid) && ($parid != $parent))
 125                 $thr_parent = $parent_uri;
 126
 127                 if($parent_item['contact-id'] && $uid) {
 128                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 129                                 intval($parent_item['contact-id']),
 130                                 intval($uid)
 131                         );
 132                         if(count($r))
 133                                 $parent_contact = $r[0];
 134
 135                         // If the contact id doesn't fit with the contact, then set the contact to null
 136                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 137                         if (count($thrparent) AND ($thrparent[0]["network"] === NETWORK_OSTATUS)
 138                                 AND (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 139                                 $parent_contact = null;
 140
 141                                 $r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 142                                         dbesc(normalise_link($thrparent[0]["author-link"])));
 143                                 if (count($r)) {
 144                                         $parent_contact = $r[0];
 145                                         $parent_contact["thumb"] = $parent_contact["photo"];
 146                                         $parent_contact["micro"] = $parent_contact["photo"];
 147                                         unset($parent_contact["id"]);
 148                                 }
 149
 150                                 if (!isset($parent_contact["nick"])) {
 151                                         require_once("include/Scrape.php");
 152                                         $probed_contact = probe_url($thrparent[0]["author-link"]);
 153                                         if ($probed_contact["network"] != NETWORK_FEED) {
 154                                                 $parent_contact = $probed_contact;
 155                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 156                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 157                                                 $parent_contact["micro"] = $probed_contact["photo"];
 158                                                 $parent_contact["addr"] = $probed_contact["addr"];
 159                                         }
 160                                 }
 161                                 logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 162                         } else
 163                                 logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 164                 }
 165         }
 166
 167         if($parent) logger('mod_item: item_post parent=' . $parent);
 168
 169         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 170         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 171         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 172         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])  : '');
 173
 174         $allow_moderated = false;
 175
 176         // here is where we are going to check for permission to post a moderated comment.
 177
 178         // First check that the parent exists and it is a wall item.
 179
 180         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 181                 notice( t('Permission denied.') . EOL) ;
 182                 if(x($_REQUEST,'return'))
 183                         goaway($a->get_baseurl() . "/" . $return_path );
 184                 killme();
 185         }
 186
 187         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 188         // have been provided, and run any anti-spam plugins
 189
 190
 191
 192         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 193                 notice( t('Permission denied.') . EOL) ;
 194                 if(x($_REQUEST,'return'))
 195                         goaway($a->get_baseurl() . "/" . $return_path );
 196                 killme();
 197         }
 198
 199
 200         // is this an edited post?
 201
 202         $orig_post = null;
 203
 204         if($post_id) {
 205                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 206                         intval($profile_uid),
 207                         intval($post_id)
 208                 );
 209                 if(! count($i))
 210                         killme();
 211                 $orig_post = $i[0];
 212         }
 213
 214         $user = null;
 215
 216         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 217                 intval($profile_uid)
 218         );
 219         if(count($r))
 220                 $user = $r[0];
 221
 222         if($orig_post) {
 223                 $str_group_allow   = $orig_post['allow_gid'];
 224                 $str_contact_allow = $orig_post['allow_cid'];
 225                 $str_group_deny    = $orig_post['deny_gid'];
 226                 $str_contact_deny  = $orig_post['deny_cid'];
 227                 $location          = $orig_post['location'];
 228                 $coord             = $orig_post['coord'];
 229                 $verb              = $orig_post['verb'];
 230                 $objecttype        = $orig_post['object-type'];
 231                 $emailcc           = $orig_post['emailcc'];
 232                 $app               = $orig_post['app'];
 233                 $categories        = $orig_post['file'];
 234                 $title             = notags(trim($_REQUEST['title']));
 235                 $body              = escape_tags(trim($_REQUEST['body']));
 236                 $private           = $orig_post['private'];
 237                 $pubmail_enable    = $orig_post['pubmail'];
 238                 $network           = $orig_post['network'];
 239                 $guid              = $orig_post['guid'];
 240                 $extid             = $orig_post['extid'];
 241
 242         } else {
 243
 244                 // if coming from the API and no privacy settings are set,
 245                 // use the user default permissions - as they won't have
 246                 // been supplied via a form.
 247
 248                 if(($api_source)
 249                         && (! array_key_exists('contact_allow',$_REQUEST))
 250                         && (! array_key_exists('group_allow',$_REQUEST))
 251                         && (! array_key_exists('contact_deny',$_REQUEST))
 252                         && (! array_key_exists('group_deny',$_REQUEST))) {
 253                         $str_group_allow   = $user['allow_gid'];
 254                         $str_contact_allow = $user['allow_cid'];
 255                         $str_group_deny    = $user['deny_gid'];
 256                         $str_contact_deny  = $user['deny_cid'];
 257                 }
 258                 else {
 259
 260                         // use the posted permissions
 261
 262                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 263                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 264                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 265                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 266                 }
 267
 268                 $title             = notags(trim($_REQUEST['title']));
 269                 $location          = notags(trim($_REQUEST['location']));
 270                 $coord             = notags(trim($_REQUEST['coord']));
 271                 $verb              = notags(trim($_REQUEST['verb']));
 272                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 273                 $body              = escape_tags(trim($_REQUEST['body']));
 274                 $network           = notags(trim($_REQUEST['network']));
 275                 $guid              = get_guid(32);
 276
 277
 278                 item_add_language_opt($_REQUEST);
 279                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 280
 281
 282                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 283
 284
 285                 if($user['hidewall'])
 286                         $private = 2;
 287
 288                 // If this is a comment, set the permissions from the parent.
 289
 290                 if($parent_item) {
 291                         $private = 0;
 292
 293                         // for non native networks use the network of the original post as network of the item
 294                         if (($parent_item['network'] != NETWORK_DIASPORA)
 295                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 296                                 AND ($network == ""))
 297                                 $network = $parent_item['network'];
 298
 299                         if(($parent_item['private'])
 300                                 || strlen($parent_item['allow_cid'])
 301                                 || strlen($parent_item['allow_gid'])
 302                                 || strlen($parent_item['deny_cid'])
 303                                 || strlen($parent_item['deny_gid'])) {
 304                                 $private = (($parent_item['private']) ? $parent_item['private'] : 1);
 305                         }
 306
 307                         $str_contact_allow = $parent_item['allow_cid'];
 308                         $str_group_allow   = $parent_item['allow_gid'];
 309                         $str_contact_deny  = $parent_item['deny_cid'];
 310                         $str_group_deny    = $parent_item['deny_gid'];
 311                 }
 312                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 313
 314                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 315
 316                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 317                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 318                         if(! $mail_disabled) {
 319                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 320                                         intval(local_user())
 321                                 );
 322                                 if(count($r) && intval($r[0]['pubmail']))
 323                                         $pubmail_enabled = true;
 324                         }
 325                 }
 326
 327                 if(! strlen($body)) {
 328                         if($preview)
 329                                 killme();
 330                         info( t('Empty post discarded.') . EOL );
 331                         if(x($_REQUEST,'return'))
 332                                 goaway($a->get_baseurl() . "/" . $return_path );
 333                         killme();
 334                 }
 335         }
 336
 337         if(strlen($categories)) {
 338                 // get the "fileas" tags for this post
 339                 $filedas = file_tag_file_to_list($categories, 'file');
 340         }
 341         // save old and new categories, so we can determine what needs to be deleted from pconfig
 342         $categories_old = $categories;
 343         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 344         $categories_new = $categories;
 345         if(strlen($filedas)) {
 346                 // append the fileas stuff to the new categories list
 347                 $categories .= file_tag_list_to_file($filedas, 'file');
 348         }
 349
 350         // Work around doubled linefeeds in Tinymce 3.5b2
 351         // First figure out if it's a status post that would've been
 352         // created using tinymce. Otherwise leave it alone.
 353
 354 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 355         if((! $parent) && (! $api_source) && (! $plaintext)) {
 356                 $body = fix_mce_lf($body);
 357         }*/
 358         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 359         if((! $parent) && (! $api_source) && (! $plaintext)) {
 360                 $body = fix_mce_lf($body);
 361         }
 362
 363
 364         // get contact info for poster
 365
 366         $author = null;
 367         $self   = false;
 368         $contact_id = 0;
 369
 370         if((local_user()) && (local_user() == $profile_uid)) {
 371                 $self = true;
 372                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 373                         intval($_SESSION['uid']));
 374         }
 375         elseif(remote_user()) {
 376                 if(is_array($_SESSION['remote'])) {
 377                         foreach($_SESSION['remote'] as $v) {
 378                                 if($v['uid'] == $profile_uid) {
 379                                         $contact_id = $v['cid'];
 380                                         break;
 381                                 }
 382                         }
 383                 }
 384                 if($contact_id) {
 385                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 386                                 intval($contact_id)
 387                         );
 388                 }
 389         }
 390
 391         if(count($r)) {
 392                 $author = $r[0];
 393                 $contact_id = $author['id'];
 394         }
 395
 396         // get contact info for owner
 397
 398         if($profile_uid == local_user()) {
 399                 $contact_record = $author;
 400         }
 401         else {
 402                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 403                         intval($profile_uid)
 404                 );
 405                 if(count($r))
 406                         $contact_record = $r[0];
 407         }
 408
 409         $post_type = notags(trim($_REQUEST['type']));
 410
 411         if($post_type === 'net-comment') {
 412                 if($parent_item !== null) {
 413                         if($parent_item['wall'] == 1)
 414                                 $post_type = 'wall-comment';
 415                         else
 416                                 $post_type = 'remote-comment';
 417                 }
 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
 432         $match = null;
 433
 434         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 435                 $images = $match[2];
 436                 if(count($images)) {
 437
 438                         $objecttype = ACTIVITY_OBJ_IMAGE;
 439
 440                         foreach($images as $image) {
 441                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 442                                         continue;
 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                                 $srch = '<' . intval($contact_id) . '>';
 448
 449                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 450                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 451                                         dbesc($srch),
 452                                         dbesc($image_uri),
 453                                         intval($profile_uid)
 454                                 );
 455
 456                                 if(! count($r))
 457                                         continue;
 458
 459
 460                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 461                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 462                                         dbesc($str_contact_allow),
 463                                         dbesc($str_group_allow),
 464                                         dbesc($str_contact_deny),
 465                                         dbesc($str_group_deny),
 466                                         dbesc($image_uri),
 467                                         intval($profile_uid),
 468                                         dbesc( t('Wall Photos'))
 469                                 );
 470
 471                         }
 472                 }
 473         }
 474
 475
 476         /**
 477          * Next link in any attachment references we find in the post.
 478          */
 479
 480         $match = false;
 481
 482         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 483                 $attaches = $match[1];
 484                 if(count($attaches)) {
 485                         foreach($attaches as $attach) {
 486                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 487                                         intval($profile_uid),
 488                                         intval($attach)
 489                                 );
 490                                 if(count($r)) {
 491                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 492                                                 WHERE `uid` = %d AND `id` = %d",
 493                                                 dbesc($str_contact_allow),
 494                                                 dbesc($str_group_allow),
 495                                                 dbesc($str_contact_deny),
 496                                                 dbesc($str_group_deny),
 497                                                 intval($profile_uid),
 498                                                 intval($attach)
 499                                         );
 500                                 }
 501                         }
 502                 }
 503         }
 504
 505         // embedded bookmark in post? set bookmark flag
 506
 507         $bookmark = 0;
 508         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 509                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 510                 $bookmark = 1;
 511         }
 512
 513         $body = bb_translate_video($body);
 514
 515
 516         /**
 517          * Fold multi-line [code] sequences
 518          */
 519
 520         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 521
 522         $body = scale_external_images($body,false);
 523
 524
 525         // Setting the object type if not defined before
 526         if (!$objecttype) {
 527                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 528                 require_once("include/plaintext.php");
 529                 $objectdata = get_attached_data($body);
 530
 531                 if ($post["type"] == "link")
 532                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 533                 elseif ($post["type"] == "video")
 534                         $objecttype = ACTIVITY_OBJ_VIDEO;
 535                 elseif ($post["type"] == "photo")
 536                         $objecttype = ACTIVITY_OBJ_IMAGE;
 537
 538         }
 539
 540         /**
 541          * Look for any tags and linkify them
 542          */
 543
 544         $str_tags = '';
 545         $inform   = '';
 546
 547
 548         $tags = get_tags($body);
 549
 550         /**
 551          * add a statusnet style reply tag if the original post was from there
 552          * and we are replying, and there isn't one already
 553          */
 554
 555         if($parent AND ($parent_contact['network'] === NETWORK_OSTATUS)) {
 556                 if ($parent_contact['id'] != "")
 557                         $contact = '@'.$parent_contact['nick'].'+'.$parent_contact['id'];
 558                 else
 559                         $contact = '@[url='.$parent_contact['url'].']'.$parent_contact['nick'].'[/url]';
 560
 561                 if (!in_array($contact,$tags)) {
 562                         $body = $contact.' '.$body;
 563                         $tags[] = $contact;
 564                 }
 565
 566                 $toplevel_contact = "";
 567                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 568                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 569                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 570                 if ($toplevel_parent)
 571                         $toplevel_contact = '@'.$toplevel_parent[0]['nick'].'+'.$toplevel_parent[0]['id'];
 572                 else {
 573                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 574                         $toplevel_contact = '@[url='.$toplevel_parent[0]['author-link'].']'.$toplevel_parent[0]['author-name'].'[/url]';
 575                 }
 576
 577                 if (!in_array($toplevel_contact,$tags))
 578                         $tags[] = $toplevel_contact;
 579         }
 580
 581         $tagged = array();
 582
 583         $private_forum = false;
 584
 585         if(count($tags)) {
 586                 foreach($tags as $tag) {
 587
 588                         if(strpos($tag,'#') === 0)
 589                                 continue;
 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                         $fullnametagged = false;
 595                         for($x = 0; $x < count($tagged); $x ++) {
 596                                 if(stristr($tagged[$x],$tag . ' ')) {
 597                                         $fullnametagged = true;
 598                                         break;
 599                                 }
 600                         }
 601                         if($fullnametagged)
 602                                 continue;
 603
 604                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 605                         if($success['replaced'])
 606                                 $tagged[] = $tag;
 607                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 608                                 $private_forum = true;
 609                                 $private_id = $success['contact']['id'];
 610                         }
 611                 }
 612         }
 613
 614         if(($private_forum) && (! $parent) && (! $private)) {
 615                 // we tagged a private forum in a top level post and the message was public.
 616                 // Restrict it.
 617                 $private = 1;
 618                 $str_contact_allow = '<' . $private_id . '>';
 619         }
 620
 621         $attachments = '';
 622         $match = false;
 623
 624         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 625                 foreach($match[2] as $mtch) {
 626                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 627                                 intval($profile_uid),
 628                                 intval($mtch)
 629                         );
 630                         if(count($r)) {
 631                                 if(strlen($attachments))
 632                                         $attachments .= ',';
 633                                 $attachments .= '[attach]href="' . $a->get_baseurl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . (($r[0]['filename']) ? $r[0]['filename'] : '') . '"[/attach]';
 634                         }
 635                         $body = str_replace($match[1],'',$body);
 636                 }
 637         }
 638
 639         $wall = 0;
 640
 641         if($post_type === 'wall' || $post_type === 'wall-comment')
 642                 $wall = 1;
 643
 644         if(! strlen($verb))
 645                 $verb = ACTIVITY_POST ;
 646
 647         if ($network == "")
 648                 $network = NETWORK_DFRN;
 649
 650         $gravity = (($parent) ? 6 : 0 );
 651
 652         // even if the post arrived via API we are considering that it
 653         // originated on this site by default for determining relayability.
 654
 655         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 656
 657         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 658
 659         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 660
 661         // Fallback so that we alway have a thr-parent
 662         if(!$thr_parent)
 663                 $thr_parent = $uri;
 664
 665         $datarray = array();
 666         $datarray['uid']           = $profile_uid;
 667         $datarray['type']          = $post_type;
 668         $datarray['wall']          = $wall;
 669         $datarray['gravity']       = $gravity;
 670         $datarray['network']       = $network;
 671         $datarray['contact-id']    = $contact_id;
 672         $datarray['owner-name']    = $contact_record['name'];
 673         $datarray['owner-link']    = $contact_record['url'];
 674         $datarray['owner-avatar']  = $contact_record['thumb'];
 675         $datarray['author-name']   = $author['name'];
 676         $datarray['author-link']   = $author['url'];
 677         $datarray['author-avatar'] = $author['thumb'];
 678         $datarray['created']       = datetime_convert();
 679         $datarray['edited']        = datetime_convert();
 680         $datarray['commented']     = datetime_convert();
 681         $datarray['received']      = datetime_convert();
 682         $datarray['changed']       = datetime_convert();
 683         $datarray['extid']         = $extid;
 684         $datarray['guid']          = $guid;
 685         $datarray['uri']           = $uri;
 686         $datarray['title']         = $title;
 687         $datarray['body']          = $body;
 688         $datarray['app']           = $app;
 689         $datarray['location']      = $location;
 690         $datarray['coord']         = $coord;
 691         $datarray['tag']           = $str_tags;
 692         $datarray['file']          = $categories;
 693         $datarray['inform']        = $inform;
 694         $datarray['verb']          = $verb;
 695         $datarray['object-type']   = $objecttype;
 696         $datarray['allow_cid']     = $str_contact_allow;
 697         $datarray['allow_gid']     = $str_group_allow;
 698         $datarray['deny_cid']      = $str_contact_deny;
 699         $datarray['deny_gid']      = $str_group_deny;
 700         $datarray['private']       = $private;
 701         $datarray['pubmail']       = $pubmail_enable;
 702         $datarray['attach']        = $attachments;
 703         $datarray['bookmark']      = intval($bookmark);
 704         $datarray['thr-parent']    = $thr_parent;
 705         $datarray['postopts']      = $postopts;
 706         $datarray['origin']        = $origin;
 707         $datarray['moderated']     = $allow_moderated;
 708         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 709                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 710         /**
 711          * These fields are for the convenience of plugins...
 712          * 'self' if true indicates the owner is posting on their own wall
 713          * If parent is 0 it is a top-level post.
 714          */
 715
 716         $datarray['parent']        = $parent;
 717         $datarray['self']          = $self;
 718 //      $datarray['prvnets']       = $user['prvnets'];
 719
 720         if($orig_post)
 721                 $datarray['edit']      = true;
 722
 723         // Search for hashtags
 724         item_body_set_hashtags($datarray);
 725
 726         // preview mode - prepare the body for display and send it via json
 727
 728         if($preview) {
 729                 require_once('include/conversation.php');
 730                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 731                 logger('preview: ' . $o);
 732                 echo json_encode(array('preview' => $o));
 733                 killme();
 734         }
 735
 736
 737         call_hooks('post_local',$datarray);
 738
 739         if(x($datarray,'cancel')) {
 740                 logger('mod_item: post cancelled by plugin.');
 741                 if($return_path) {
 742                         goaway($a->get_baseurl() . "/" . $return_path);
 743                 }
 744
 745                 $json = array('cancel' => 1);
 746                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 747                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 748
 749                 echo json_encode($json);
 750                 killme();
 751         }
 752
 753         // Fill the cache field
 754         put_item_in_cache($datarray);
 755
 756         if($orig_post) {
 757                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 758                         dbesc($datarray['title']),
 759                         dbesc($datarray['body']),
 760                         dbesc($datarray['tag']),
 761                         dbesc($datarray['attach']),
 762                         dbesc($datarray['file']),
 763                         dbesc($datarray['rendered-html']),
 764                         dbesc($datarray['rendered-hash']),
 765                         dbesc(datetime_convert()),
 766                         dbesc(datetime_convert()),
 767                         intval($post_id),
 768                         intval($profile_uid)
 769                 );
 770
 771                 create_tags_from_item($post_id);
 772                 create_files_from_item($post_id);
 773                 update_thread($post_id);
 774
 775                 // update filetags in pconfig
 776                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 777
 778                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 779                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 780                         logger('return: ' . $return_path);
 781                         goaway($a->get_baseurl() . "/" . $return_path );
 782                 }
 783                 killme();
 784         }
 785         else
 786                 $post_id = 0;
 787
 788
 789         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,
 790                 `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,
 791                 `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)
 792                 VALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')",
 793                 dbesc($datarray['guid']),
 794                 dbesc($datarray['extid']),
 795                 intval($datarray['uid']),
 796                 dbesc($datarray['type']),
 797                 intval($datarray['wall']),
 798                 intval($datarray['gravity']),
 799                 dbesc($datarray['network']),
 800                 intval($datarray['contact-id']),
 801                 dbesc($datarray['owner-name']),
 802                 dbesc($datarray['owner-link']),
 803                 dbesc($datarray['owner-avatar']),
 804                 dbesc($datarray['author-name']),
 805                 dbesc($datarray['author-link']),
 806                 dbesc($datarray['author-avatar']),
 807                 dbesc($datarray['created']),
 808                 dbesc($datarray['edited']),
 809                 dbesc($datarray['commented']),
 810                 dbesc($datarray['received']),
 811                 dbesc($datarray['changed']),
 812                 dbesc($datarray['uri']),
 813                 dbesc($datarray['thr-parent']),
 814                 dbesc($datarray['title']),
 815                 dbesc($datarray['body']),
 816                 dbesc($datarray['app']),
 817                 dbesc($datarray['location']),
 818                 dbesc($datarray['coord']),
 819                 dbesc($datarray['tag']),
 820                 dbesc($datarray['inform']),
 821                 dbesc($datarray['verb']),
 822                 dbesc($datarray['object-type']),
 823                 dbesc($datarray['postopts']),
 824                 dbesc($datarray['allow_cid']),
 825                 dbesc($datarray['allow_gid']),
 826                 dbesc($datarray['deny_cid']),
 827                 dbesc($datarray['deny_gid']),
 828                 intval($datarray['private']),
 829                 intval($datarray['pubmail']),
 830                 dbesc($datarray['attach']),
 831                 intval($datarray['bookmark']),
 832                 intval($datarray['origin']),
 833                 intval($datarray['moderated']),
 834                 dbesc($datarray['file']),
 835                 dbesc($datarray['rendered-html']),
 836                 dbesc($datarray['rendered-hash'])
 837                );
 838
 839         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 840                 dbesc($datarray['uri']));
 841         if(!count($r)) {
 842                 logger('mod_item: unable to retrieve post that was just stored.');
 843                 notice( t('System error. Post not saved.') . EOL);
 844                 goaway($a->get_baseurl() . "/" . $return_path );
 845                 // NOTREACHED
 846         }
 847
 848         // Store the guid and other relevant data
 849         add_guid($datarray);
 850
 851         $post_id = $r[0]['id'];
 852         logger('mod_item: saved item ' . $post_id);
 853
 854         $datarray["id"] = $post_id;
 855         $datarray["plink"] = $a->get_baseurl().'/display/'.urlencode($datarray["guid"]);
 856
 857         // update filetags in pconfig
 858         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 859
 860         if($parent) {
 861
 862                 // This item is the last leaf and gets the comment box, clear any ancestors
 863                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 864                         dbesc(datetime_convert()),
 865                         intval($parent)
 866                 );
 867                 update_thread($parent, true);
 868
 869                 // Inherit ACLs from the parent item.
 870
 871                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 872                         WHERE `id` = %d",
 873                         dbesc($parent_item['allow_cid']),
 874                         dbesc($parent_item['allow_gid']),
 875                         dbesc($parent_item['deny_cid']),
 876                         dbesc($parent_item['deny_gid']),
 877                         intval($parent_item['private']),
 878                         intval($post_id)
 879                 );
 880
 881                 if($contact_record != $author) {
 882                         notification(array(
 883                                 'type'         => NOTIFY_COMMENT,
 884                                 'notify_flags' => $user['notify-flags'],
 885                                 'language'     => $user['language'],
 886                                 'to_name'      => $user['username'],
 887                                 'to_email'     => $user['email'],
 888                                 'uid'          => $user['uid'],
 889                                 'item'         => $datarray,
 890                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 891                                 'source_name'  => $datarray['author-name'],
 892                                 'source_link'  => $datarray['author-link'],
 893                                 'source_photo' => $datarray['author-avatar'],
 894                                 'verb'         => ACTIVITY_POST,
 895                                 'otype'        => 'item',
 896                                 'parent'       => $parent,
 897                                 'parent_uri'   => $parent_item['uri']
 898                         ));
 899
 900                 }
 901
 902
 903                 // Store the comment signature information in case we need to relay to Diaspora
 904                 store_diaspora_comment_sig($datarray, $author, ($self ? $user['prvkey'] : false), $parent_item, $post_id);
 905
 906         } else {
 907                 $parent = $post_id;
 908
 909                 if($contact_record != $author) {
 910                         notification(array(
 911                                 'type'         => NOTIFY_WALL,
 912                                 'notify_flags' => $user['notify-flags'],
 913                                 'language'     => $user['language'],
 914                                 'to_name'      => $user['username'],
 915                                 'to_email'     => $user['email'],
 916                                 'uid'          => $user['uid'],
 917                                 'item'         => $datarray,
 918                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 919                                 'source_name'  => $datarray['author-name'],
 920                                 'source_link'  => $datarray['author-link'],
 921                                 'source_photo' => $datarray['author-avatar'],
 922                                 'verb'         => ACTIVITY_POST,
 923                                 'otype'        => 'item'
 924                         ));
 925                 }
 926         }
 927
 928         // fallback so that parent always gets set to non-zero.
 929
 930         if(! $parent)
 931                 $parent = $post_id;
 932
 933         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 934                 WHERE `id` = %d",
 935                 intval($parent),
 936                 dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 937                 dbesc($a->get_baseurl().'/display/'.urlencode($datarray['guid'])),
 938                 dbesc(datetime_convert()),
 939                 intval($post_id)
 940         );
 941
 942         // photo comments turn the corresponding item visible to the profile wall
 943         // This way we don't see every picture in your new photo album posted to your wall at once.
 944         // They will show up as people comment on them.
 945
 946         if(! $parent_item['visible']) {
 947                 $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d",
 948                         intval($parent_item['id'])
 949                 );
 950                 update_thread($parent_item['id']);
 951         }
 952
 953         // update the commented timestamp on the parent
 954
 955         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 956                 dbesc(datetime_convert()),
 957                 dbesc(datetime_convert()),
 958                 intval($parent)
 959         );
 960         if ($post_id != $parent)
 961                 update_thread($parent);
 962
 963         call_hooks('post_local_end', $datarray);
 964
 965         if(strlen($emailcc) && $profile_uid == local_user()) {
 966                 $erecips = explode(',', $emailcc);
 967                 if(count($erecips)) {
 968                         foreach($erecips as $recip) {
 969                                 $addr = trim($recip);
 970                                 if(! strlen($addr))
 971                                         continue;
 972                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 973                                         . '<br />';
 974                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 975                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 976                                 if (!$datarray['title']=='') {
 977                                     $subject = email_header_encode($datarray['title'],'UTF-8');
 978                                 } else {
 979                                     $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
 980                                 }
 981                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 982                                 $html    = prepare_body($datarray);
 983                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 984                                 include_once('include/html2plain.php');
 985                                 $params = array (
 986                                     'fromName' => $a->user['username'],
 987                                     'fromEmail' => $a->user['email'],
 988                                     'toEmail' => $addr,
 989                                     'replyTo' => $a->user['email'],
 990                                     'messageSubject' => $subject,
 991                                     'htmlVersion' => $message,
 992                                     'textVersion' => html2plain($html.$disclaimer),
 993                                 );
 994                                 Emailer::send($params);
 995                         }
 996                 }
 997         }
 998
 999         create_tags_from_item($post_id);
1000         create_files_from_item($post_id);
1001
1002         if ($post_id == $parent)
1003                 add_thread($post_id);
1004
1005         // This is a real juggling act on shared hosting services which kill your processes
1006         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
1007         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
1008         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
1009         // likely to get killed off. If you end up looking at an /item URL and a blank page,
1010         // it's very likely the delivery got killed before all your friends could be notified.
1011         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
1012         // or cut back on plugins which do remote deliveries.
1013
1014         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
1015
1016         logger('post_complete');
1017
1018         item_post_return($a->get_baseurl(), $api_source, $return_path);
1019         // NOTREACHED
1020 }
1021 }
1022
1023 if(! function_exists('item_post_return')) {
1024 function item_post_return($baseurl, $api_source, $return_path) {
1025         // figure out how to return, depending on from whence we came
1026
1027         if($api_source)
1028                 return;
1029
1030         if($return_path) {
1031                 goaway($baseurl . "/" . $return_path);
1032         }
1033
1034         $json = array('success' => 1);
1035         if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
1036                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1037
1038         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1039
1040         echo json_encode($json);
1041         killme();
1042 }
1043 }
1044
1045 if(! function_exists('item_content')) {
1046 function item_content(&$a) {
1047
1048         if((! local_user()) && (! remote_user()))
1049                 return;
1050
1051         require_once('include/security.php');
1052
1053         $o = '';
1054         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1055                 $o = drop_item($a->argv[2], !is_ajax());
1056                 if (is_ajax()){
1057                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1058                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1059                         killme();
1060                 }
1061         }
1062         return $o;
1063 }
1064 }
1065
1066 /**
1067  * This function removes the tag $tag from the text $body and replaces it with
1068  * the appropiate link.
1069  *
1070  * @param unknown_type $body the text to replace the tag in
1071  * @param unknown_type $inform a comma-seperated string containing everybody to inform
1072  * @param unknown_type $str_tags string to add the tag to
1073  * @param unknown_type $profile_uid
1074  * @param unknown_type $tag the tag to replace
1075  *
1076  * @return boolean true if replaced, false if not replaced
1077  */
1078 if(! function_exists('handle_tag')) {
1079 function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1080         require_once("include/Scrape.php");
1081         require_once("include/socgraph.php");
1082
1083         $replaced = false;
1084         $r = null;
1085
1086         //is it a person tag?
1087         if(strpos($tag,'@') === 0) {
1088                 //is it already replaced?
1089                 if(strpos($tag,'[url=')) {
1090                         //append tag to str_tags
1091                         if(!stristr($str_tags,$tag)) {
1092                                 if(strlen($str_tags))
1093                                         $str_tags .= ',';
1094                                 $str_tags .= $tag;
1095                         }
1096
1097                         // Checking for the alias that is used for OStatus
1098                         $pattern = "/@\[url\=(.*?)\](.*?)\[\/url\]/ism";
1099                         if (preg_match($pattern, $tag, $matches)) {
1100                                 $data = probe_url($matches[1]);
1101                                 if ($data["alias"] != "") {
1102                                         $newtag = '@[url='.$data["alias"].']'.$data["name"].'[/url]';
1103                                         if(!stristr($str_tags,$newtag)) {
1104                                                 if(strlen($str_tags))
1105                                                         $str_tags .= ',';
1106                                                 $str_tags .= $newtag;
1107                                         }
1108                                 }
1109                         }
1110
1111                         return $replaced;
1112                 }
1113                 $stat = false;
1114                 //get the person's name
1115                 $name = substr($tag,1);
1116
1117                 // Sometimes the tag detection doesn't seem to work right
1118                 // This is some workaround
1119                 $nameparts = explode(" ", $name);
1120                 $name = $nameparts[0];
1121
1122                 // Try to detect the contact in various ways
1123                 if ((strpos($name,'@')) || (strpos($name,'http://'))) {
1124                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1125
1126                         // First check the contact table for the address
1127                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `contact` WHERE `addr` = '%s' AND `uid` = %d LIMIT 1",
1128                                         dbesc($name),
1129                                         intval($profile_uid)
1130                         );
1131
1132                         // Then check in the contact table for the url
1133                         if (!$r)
1134                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `notify`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
1135                                                 dbesc(normalise_link($name)),
1136                                                 intval($profile_uid)
1137                                 );
1138
1139                         // Then check in the global contacts for the address
1140                         if (!$r)
1141                                 $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `addr` = '%s' LIMIT 1", dbesc($name));
1142
1143                         // Then check in the global contacts for the url
1144                         if (!$r)
1145                                 $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1", dbesc(normalise_link($name)));
1146
1147                         // If the data isn't complete then refetch the data
1148                         if ($r AND ($r[0]["network"] == NETWORK_OSTATUS) AND (($r[0]["notify"] == "") OR ($r[0]["alias"] == "")))
1149                                 $r = false;
1150
1151                         if (!$r) {
1152                                 $probed = probe_url($name);
1153                                 if (isset($probed["url"])) {
1154                                         update_gcontact($probed);
1155                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1156                                                 dbesc(normalise_link($probed["url"])));
1157                                 }
1158                         }
1159                 } else {
1160                         $r = false;
1161                         if (strrpos($name,'+')) {
1162                                 // Is it in format @nick+number?
1163                                 $tagcid = intval(substr($name,strrpos($name,'+') + 1));
1164
1165                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1166                                                 intval($tagcid),
1167                                                 intval($profile_uid)
1168                                 );
1169                         }
1170
1171                         //select someone by attag or nick and the name passed in the current network
1172                         if(!$r AND ($network != ""))
1173                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1174                                                 dbesc($name),
1175                                                 dbesc($name),
1176                                                 dbesc($network),
1177                                                 intval($profile_uid)
1178                                 );
1179
1180                         //select someone from this user's contacts by name in the current network
1181                         if (!$r AND ($network != ""))
1182                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1183                                                 dbesc($newname),
1184                                                 dbesc($network),
1185                                                 intval($profile_uid)
1186                                 );
1187
1188                         //select someone by attag or nick and the name passed in
1189                         if(!$r)
1190                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1191                                                 dbesc($name),
1192                                                 dbesc($name),
1193                                                 intval($profile_uid)
1194                                 );
1195
1196
1197                         //select someone from this user's contacts by name
1198                         if(!$r)
1199                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1200                                                 dbesc($newname),
1201                                                 intval($profile_uid)
1202                                 );
1203                 }
1204
1205                 if ($r) {
1206                         if(strlen($inform) AND (isset($r[0]["notify"]) OR isset($r[0]["id"])))
1207                                 $inform .= ',';
1208
1209                         if (isset($r[0]["id"]))
1210                                 $inform .= 'cid:' . $r[0]["id"];
1211                         elseif (isset($r[0]["notify"]))
1212                                 $inform  .= $r[0]["notify"];
1213
1214                         $profile = $r[0]["url"];
1215                         $alias   = $r[0]["alias"];
1216                         $newname = $r[0]["nick"];
1217                         if (($newname == "") OR (($r[0]["network"] != NETWORK_OSTATUS) AND ($r[0]["network"] != NETWORK_TWITTER)
1218                                 AND ($r[0]["network"] != NETWORK_STATUSNET) AND ($r[0]["network"] != NETWORK_APPNET)))
1219                                 $newname = $r[0]["name"];
1220                 }
1221
1222                 //if there is an url for this persons profile
1223                 if(isset($profile)) {
1224
1225                         $replaced = true;
1226                         //create profile link
1227                         $profile = str_replace(',','%2c',$profile);
1228                         $newtag = '@[url=' . $profile . ']' . $newname  . '[/url]';
1229                         $body = str_replace('@' . $name, $newtag, $body);
1230                         //append tag to str_tags
1231                         if(! stristr($str_tags,$newtag)) {
1232                                 if(strlen($str_tags))
1233                                         $str_tags .= ',';
1234                                 $str_tags .= $newtag;
1235                         }
1236
1237                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
1238                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1239
1240                         if(strlen($alias)) {
1241                                 $newtag = '@[url=' . $alias . ']' . $newname    . '[/url]';
1242                                 if(! stristr($str_tags,$newtag)) {
1243                                         if(strlen($str_tags))
1244                                                 $str_tags .= ',';
1245                                         $str_tags .= $newtag;
1246                                 }
1247                         }
1248                 }
1249         }
1250
1251         return array('replaced' => $replaced, 'contact' => $r[0]);
1252 }
1253 }
1254
1255 if(! function_exists('store_diaspora_comment_sig')) {
1256 function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item, $post_id) {
1257         // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
1258
1259         $enabled = intval(get_config('system','diaspora_enabled'));
1260         if(! $enabled) {
1261                 logger('mod_item: diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
1262                 return;
1263         }
1264
1265
1266         logger('mod_item: storing diaspora comment signature');
1267
1268         require_once('include/bb2diaspora.php');
1269         $signed_body = html_entity_decode(bb2diaspora($datarray['body']));
1270
1271         // Only works for NETWORK_DFRN
1272         $contact_baseurl_start = strpos($author['url'],'://') + 3;
1273         $contact_baseurl_length = strpos($author['url'],'/profile') - $contact_baseurl_start;
1274         $contact_baseurl = substr($author['url'], $contact_baseurl_start, $contact_baseurl_length);
1275         $diaspora_handle = $author['nick'] . '@' . $contact_baseurl;
1276
1277         $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
1278
1279         if( $uprvkey !== false )
1280                 $authorsig = rsa_sign($signed_text,$uprvkey,'sha256');
1281         else
1282                 $authorsig = '';
1283
1284         q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1285                 intval($post_id),
1286                 dbesc($signed_text),
1287                 dbesc(base64_encode($authorsig)),
1288                 dbesc($diaspora_handle)
1289         );
1290
1291         return;
1292 }
1293 }