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('library/langdet/Text/LanguageDetect.php');
  22 require_once('include/tags.php');
  23 require_once('include/files.php');
  24 require_once('include/threads.php');
  25 require_once('include/text.php');
  26 require_once('include/items.php');
  27
  28 function item_post(&$a) {
  29
  30         if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
  31                 return;
  32
  33         require_once('include/security.php');
  34
  35         $uid = local_user();
  36
  37         if(x($_REQUEST,'dropitems')) {
  38                 $arr_drop = explode(',',$_REQUEST['dropitems']);
  39                 drop_items($arr_drop);
  40                 $json = array('success' => 1);
  41                 echo json_encode($json);
  42                 killme();
  43         }
  44
  45         call_hooks('post_local_start', $_REQUEST);
  46 //      logger('postinput ' . file_get_contents('php://input'));
  47         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  48
  49         $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
  50
  51         $message_id = ((x($_REQUEST,'message_id') && $api_source)  ? strip_tags($_REQUEST['message_id'])       : '');
  52
  53         $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
  54         $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
  55
  56
  57         // Check for doubly-submitted posts, and reject duplicates
  58         // Note that we have to ignore previews, otherwise nothing will post
  59         // after it's been previewed
  60         if(!$preview && x($_REQUEST['post_id_random'])) {
  61                 if(x($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  62                         logger("item post: duplicate post", LOGGER_DEBUG);
  63                         item_post_return($a->get_baseurl(), $api_source, $return_path);
  64                 }
  65                 else
  66                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  67         }
  68
  69         /**
  70          * Is this a reply to something?
  71          */
  72
  73         $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
  74         $parent_uri = ((x($_REQUEST,'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  75
  76         $parent_item = null;
  77         $parent_contact = null;
  78         $thr_parent = '';
  79         $parid = 0;
  80         $r = false;
  81         $objecttype = null;
  82
  83         if($parent || $parent_uri) {
  84
  85                 $objecttype = ACTIVITY_OBJ_COMMENT;
  86
  87                 if(! x($_REQUEST,'type'))
  88                         $_REQUEST['type'] = 'net-comment';
  89
  90                 if($parent) {
  91                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  92                                 intval($parent)
  93                         );
  94                 } elseif($parent_uri && local_user()) {
  95                         // This is coming from an API source, and we are logged in
  96                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  97                                 dbesc($parent_uri),
  98                                 intval(local_user())
  99                         );
 100                 }
 101
 102                 // if this isn't the real parent of the conversation, find it
 103                 if($r !== false && count($r)) {
 104                         $parid = $r[0]['parent'];
 105                         $parent_uri = $r[0]['uri'];
 106                         if($r[0]['id'] != $r[0]['parent']) {
 107                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 108                                         intval($parid)
 109                                 );
 110                         }
 111                 }
 112
 113                 if(($r === false) || (! count($r))) {
 114                         notice( t('Unable to locate original post.') . EOL);
 115                         if(x($_REQUEST,'return'))
 116                                 goaway($a->get_baseurl() . "/" . $return_path );
 117                         killme();
 118                 }
 119                 $parent_item = $r[0];
 120                 $parent = $r[0]['id'];
 121
 122                 // multi-level threading - preserve the info but re-parent to our single level threading
 123                 //if(($parid) && ($parid != $parent))
 124                 $thr_parent = $parent_uri;
 125
 126                 if($parent_item['contact-id'] && $uid) {
 127                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 128                                 intval($parent_item['contact-id']),
 129                                 intval($uid)
 130                         );
 131                         if(count($r))
 132                                 $parent_contact = $r[0];
 133
 134                         // If the contact id doesn't fit with the contact, then set the contact to null
 135                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 136                         if (count($thrparent) AND ($thrparent[0]["network"] === NETWORK_OSTATUS)
 137                                 AND (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 138                                 $parent_contact = null;
 139
 140                                 require_once("include/Scrape.php");
 141                                 $probed_contact = probe_url($thrparent[0]["author-link"]);
 142                                 if ($probed_contact["network"] != NETWORK_FEED) {
 143                                         $parent_contact = $probed_contact;
 144                                         $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 145                                         $parent_contact["thumb"] = $probed_contact["photo"];
 146                                         $parent_contact["micro"] = $probed_contact["photo"];
 147                                         $parent_contact["addr"] = $probed_contact["addr"];
 148                                 }
 149                                 logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 150                         } else
 151                                 logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 152                 }
 153         }
 154
 155         if($parent) logger('mod_item: item_post parent=' . $parent);
 156
 157         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 158         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 159         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 160         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])  : '');
 161
 162         $allow_moderated = false;
 163
 164         // here is where we are going to check for permission to post a moderated comment.
 165
 166         // First check that the parent exists and it is a wall item.
 167
 168         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 169                 notice( t('Permission denied.') . EOL) ;
 170                 if(x($_REQUEST,'return'))
 171                         goaway($a->get_baseurl() . "/" . $return_path );
 172                 killme();
 173         }
 174
 175         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 176         // have been provided, and run any anti-spam plugins
 177
 178
 179         // TODO
 180
 181
 182
 183
 184         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 185                 notice( t('Permission denied.') . EOL) ;
 186                 if(x($_REQUEST,'return'))
 187                         goaway($a->get_baseurl() . "/" . $return_path );
 188                 killme();
 189         }
 190
 191
 192         // is this an edited post?
 193
 194         $orig_post = null;
 195
 196         if($post_id) {
 197                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 198                         intval($profile_uid),
 199                         intval($post_id)
 200                 );
 201                 if(! count($i))
 202                         killme();
 203                 $orig_post = $i[0];
 204         }
 205
 206         $user = null;
 207
 208         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 209                 intval($profile_uid)
 210         );
 211         if(count($r))
 212                 $user = $r[0];
 213
 214         if($orig_post) {
 215                 $str_group_allow   = $orig_post['allow_gid'];
 216                 $str_contact_allow = $orig_post['allow_cid'];
 217                 $str_group_deny    = $orig_post['deny_gid'];
 218                 $str_contact_deny  = $orig_post['deny_cid'];
 219                 $location          = $orig_post['location'];
 220                 $coord             = $orig_post['coord'];
 221                 $verb              = $orig_post['verb'];
 222                 $objecttype        = $orig_post['object-type'];
 223                 $emailcc           = $orig_post['emailcc'];
 224                 $app               = $orig_post['app'];
 225                 $categories        = $orig_post['file'];
 226                 $title             = notags(trim($_REQUEST['title']));
 227                 $body              = escape_tags(trim($_REQUEST['body']));
 228                 $private           = $orig_post['private'];
 229                 $pubmail_enable    = $orig_post['pubmail'];
 230                 $network           = $orig_post['network'];
 231                 $guid              = $orig_post['guid'];
 232                 $extid             = $orig_post['extid'];
 233
 234         } else {
 235
 236                 // if coming from the API and no privacy settings are set,
 237                 // use the user default permissions - as they won't have
 238                 // been supplied via a form.
 239
 240                 if(($api_source)
 241                         && (! array_key_exists('contact_allow',$_REQUEST))
 242                         && (! array_key_exists('group_allow',$_REQUEST))
 243                         && (! array_key_exists('contact_deny',$_REQUEST))
 244                         && (! array_key_exists('group_deny',$_REQUEST))) {
 245                         $str_group_allow   = $user['allow_gid'];
 246                         $str_contact_allow = $user['allow_cid'];
 247                         $str_group_deny    = $user['deny_gid'];
 248                         $str_contact_deny  = $user['deny_cid'];
 249                 }
 250                 else {
 251
 252                         // use the posted permissions
 253
 254                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 255                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 256                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 257                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 258                 }
 259
 260                 $title             = notags(trim($_REQUEST['title']));
 261                 $location          = notags(trim($_REQUEST['location']));
 262                 $coord             = notags(trim($_REQUEST['coord']));
 263                 $verb              = notags(trim($_REQUEST['verb']));
 264                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 265                 $body              = escape_tags(trim($_REQUEST['body']));
 266                 $network           = notags(trim($_REQUEST['network']));
 267                 $guid              = get_guid(32);
 268
 269
 270                 $naked_body = preg_replace('/\[(.+?)\]/','',$body);
 271
 272                 if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
 273                         $l = new Text_LanguageDetect;
 274                         //$lng = $l->detectConfidence($naked_body);
 275                         //$postopts = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
 276
 277                         $lng = $l->detect($naked_body, 3);
 278
 279                         if (sizeof($lng) > 0) {
 280                                 $postopts = "";
 281
 282                                 foreach ($lng as $language => $score) {
 283                                         if ($postopts == "")
 284                                                 $postopts = "lang=";
 285                                         else
 286                                                 $postopts .= ":";
 287
 288                                         $postopts .= $language.";".$score;
 289                                 }
 290                         }
 291
 292                         logger('mod_item: detect language' . print_r($lng,true) . $naked_body, LOGGER_DATA);
 293                 }
 294                 else
 295                         $postopts = '';
 296
 297
 298                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 299
 300
 301                 if($user['hidewall'])
 302                         $private = 2;
 303
 304                 // If this is a comment, set the permissions from the parent.
 305
 306                 if($parent_item) {
 307                         $private = 0;
 308
 309                         // for non native networks use the network of the original post as network of the item
 310                         if (($parent_item['network'] != NETWORK_DIASPORA)
 311                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 312                                 AND ($network == ""))
 313                                 $network = $parent_item['network'];
 314
 315                         if(($parent_item['private'])
 316                                 || strlen($parent_item['allow_cid'])
 317                                 || strlen($parent_item['allow_gid'])
 318                                 || strlen($parent_item['deny_cid'])
 319                                 || strlen($parent_item['deny_gid'])) {
 320                                 $private = (($parent_item['private']) ? $parent_item['private'] : 1);
 321                         }
 322
 323                         $str_contact_allow = $parent_item['allow_cid'];
 324                         $str_group_allow   = $parent_item['allow_gid'];
 325                         $str_contact_deny  = $parent_item['deny_cid'];
 326                         $str_group_deny    = $parent_item['deny_gid'];
 327                 }
 328                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 329
 330                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 331
 332                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 333                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 334                         if(! $mail_disabled) {
 335                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 336                                         intval(local_user())
 337                                 );
 338                                 if(count($r) && intval($r[0]['pubmail']))
 339                                         $pubmail_enabled = true;
 340                         }
 341                 }
 342
 343                 if(! strlen($body)) {
 344                         if($preview)
 345                                 killme();
 346                         info( t('Empty post discarded.') . EOL );
 347                         if(x($_REQUEST,'return'))
 348                                 goaway($a->get_baseurl() . "/" . $return_path );
 349                         killme();
 350                 }
 351         }
 352
 353         if(strlen($categories)) {
 354                 // get the "fileas" tags for this post
 355                 $filedas = file_tag_file_to_list($categories, 'file');
 356         }
 357         // save old and new categories, so we can determine what needs to be deleted from pconfig
 358         $categories_old = $categories;
 359         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 360         $categories_new = $categories;
 361         if(strlen($filedas)) {
 362                 // append the fileas stuff to the new categories list
 363                 $categories .= file_tag_list_to_file($filedas, 'file');
 364         }
 365
 366         // Work around doubled linefeeds in Tinymce 3.5b2
 367         // First figure out if it's a status post that would've been
 368         // created using tinymce. Otherwise leave it alone.
 369
 370 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 371         if((! $parent) && (! $api_source) && (! $plaintext)) {
 372                 $body = fix_mce_lf($body);
 373         }*/
 374         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 375         if((! $parent) && (! $api_source) && (! $plaintext)) {
 376                 $body = fix_mce_lf($body);
 377         }
 378
 379
 380         // get contact info for poster
 381
 382         $author = null;
 383         $self   = false;
 384         $contact_id = 0;
 385
 386         if((local_user()) && (local_user() == $profile_uid)) {
 387                 $self = true;
 388                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 389                         intval($_SESSION['uid'])
 390                 );
 391         }
 392         elseif(remote_user()) {
 393                 if(is_array($_SESSION['remote'])) {
 394                         foreach($_SESSION['remote'] as $v) {
 395                                 if($v['uid'] == $profile_uid) {
 396                                         $contact_id = $v['cid'];
 397                                         break;
 398                                 }
 399                         }
 400                 }
 401                 if($contact_id) {
 402                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 403                                 intval($contact_id)
 404                         );
 405                 }
 406         }
 407
 408         if(count($r)) {
 409                 $author = $r[0];
 410                 $contact_id = $author['id'];
 411         }
 412
 413         // get contact info for owner
 414
 415         if($profile_uid == local_user()) {
 416                 $contact_record = $author;
 417         }
 418         else {
 419                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 420                         intval($profile_uid)
 421                 );
 422                 if(count($r))
 423                         $contact_record = $r[0];
 424         }
 425
 426         $post_type = notags(trim($_REQUEST['type']));
 427
 428         if($post_type === 'net-comment') {
 429                 if($parent_item !== null) {
 430                         if($parent_item['wall'] == 1)
 431                                 $post_type = 'wall-comment';
 432                         else
 433                                 $post_type = 'remote-comment';
 434                 }
 435         }
 436
 437         /**
 438          *
 439          * When a photo was uploaded into the message using the (profile wall) ajax
 440          * uploader, The permissions are initially set to disallow anybody but the
 441          * owner from seeing it. This is because the permissions may not yet have been
 442          * set for the post. If it's private, the photo permissions should be set
 443          * appropriately. But we didn't know the final permissions on the post until
 444          * now. So now we'll look for links of uploaded messages that are in the
 445          * post and set them to the same permissions as the post itself.
 446          *
 447          */
 448
 449         $match = null;
 450
 451         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 452                 $images = $match[2];
 453                 if(count($images)) {
 454
 455                         $objecttype = ACTIVITY_OBJ_IMAGE;
 456
 457                         foreach($images as $image) {
 458                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 459                                         continue;
 460                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 461                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 462                                 if(! strlen($image_uri))
 463                                         continue;
 464                                 $srch = '<' . intval($contact_id) . '>';
 465
 466                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 467                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 468                                         dbesc($srch),
 469                                         dbesc($image_uri),
 470                                         intval($profile_uid)
 471                                 );
 472
 473                                 if(! count($r))
 474                                         continue;
 475
 476
 477                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 478                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 479                                         dbesc($str_contact_allow),
 480                                         dbesc($str_group_allow),
 481                                         dbesc($str_contact_deny),
 482                                         dbesc($str_group_deny),
 483                                         dbesc($image_uri),
 484                                         intval($profile_uid),
 485                                         dbesc( t('Wall Photos'))
 486                                 );
 487
 488                         }
 489                 }
 490         }
 491
 492
 493         /**
 494          * Next link in any attachment references we find in the post.
 495          */
 496
 497         $match = false;
 498
 499         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 500                 $attaches = $match[1];
 501                 if(count($attaches)) {
 502                         foreach($attaches as $attach) {
 503                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 504                                         intval($profile_uid),
 505                                         intval($attach)
 506                                 );
 507                                 if(count($r)) {
 508                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 509                                                 WHERE `uid` = %d AND `id` = %d",
 510                                                 dbesc($str_contact_allow),
 511                                                 dbesc($str_group_allow),
 512                                                 dbesc($str_contact_deny),
 513                                                 dbesc($str_group_deny),
 514                                                 intval($profile_uid),
 515                                                 intval($attach)
 516                                         );
 517                                 }
 518                         }
 519                 }
 520         }
 521
 522         // embedded bookmark in post? set bookmark flag
 523
 524         $bookmark = 0;
 525         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 526                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 527                 $bookmark = 1;
 528         }
 529
 530         $body = bb_translate_video($body);
 531
 532
 533         /**
 534          * Fold multi-line [code] sequences
 535          */
 536
 537         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 538
 539         $body = scale_external_images($body,false);
 540
 541
 542         // Setting the object type if not defined before
 543         if (!$objecttype) {
 544                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 545                 require_once("include/plaintext.php");
 546                 $objectdata = get_attached_data($body);
 547
 548                 if ($post["type"] == "link")
 549                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 550                 elseif ($post["type"] == "video")
 551                         $objecttype = ACTIVITY_OBJ_VIDEO;
 552                 elseif ($post["type"] == "photo")
 553                         $objecttype = ACTIVITY_OBJ_IMAGE;
 554
 555         }
 556
 557         /**
 558          * Look for any tags and linkify them
 559          */
 560
 561         $str_tags = '';
 562         $inform   = '';
 563
 564
 565         $tags = get_tags($body);
 566
 567         /**
 568          * add a statusnet style reply tag if the original post was from there
 569          * and we are replying, and there isn't one already
 570          */
 571
 572         if($parent AND ($parent_contact['network'] === NETWORK_OSTATUS)) {
 573                 if ($parent_contact['id'] != "")
 574                         $contact = '@'.$parent_contact['nick'].'+'.$parent_contact['id'];
 575                 else
 576                         $contact = '@[url='.$parent_contact['url'].']'.$parent_contact['nick'].'[/url]';
 577
 578                 if (!in_array($contact,$tags)) {
 579                         $body = $contact.' '.$body;
 580                         $tags[] = $contact;
 581                 }
 582
 583                 $toplevel_contact = "";
 584                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 585                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 586                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 587                 if ($toplevel_parent)
 588                         $toplevel_contact = '@'.$toplevel_parent[0]['nick'].'+'.$toplevel_parent[0]['id'];
 589                 else {
 590                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 591                         $toplevel_contact = '@[url='.$toplevel_parent[0]['author-link'].']'.$toplevel_parent[0]['author-name'].'[/url]';
 592                 }
 593
 594                 if (!in_array($toplevel_contact,$tags))
 595                         $tags[] = $toplevel_contact;
 596         }
 597
 598         $tagged = array();
 599
 600         $private_forum = false;
 601
 602         if(count($tags)) {
 603                 foreach($tags as $tag) {
 604
 605                         if(strpos($tag,'#') === 0)
 606                                 continue;
 607
 608                         // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 609                         // Robert Johnson should be first in the $tags array
 610
 611                         $fullnametagged = false;
 612                         for($x = 0; $x < count($tagged); $x ++) {
 613                                 if(stristr($tagged[$x],$tag . ' ')) {
 614                                         $fullnametagged = true;
 615                                         break;
 616                                 }
 617                         }
 618                         if($fullnametagged)
 619                                 continue;
 620
 621                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 622                         if($success['replaced'])
 623                                 $tagged[] = $tag;
 624                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 625                                 $private_forum = true;
 626                                 $private_id = $success['contact']['id'];
 627                         }
 628                 }
 629         }
 630
 631         if(($private_forum) && (! $parent) && (! $private)) {
 632                 // we tagged a private forum in a top level post and the message was public.
 633                 // Restrict it.
 634                 $private = 1;
 635                 $str_contact_allow = '<' . $private_id . '>';
 636         }
 637
 638         $attachments = '';
 639         $match = false;
 640
 641         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 642                 foreach($match[2] as $mtch) {
 643                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 644                                 intval($profile_uid),
 645                                 intval($mtch)
 646                         );
 647                         if(count($r)) {
 648                                 if(strlen($attachments))
 649                                         $attachments .= ',';
 650                                 $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]';
 651                         }
 652                         $body = str_replace($match[1],'',$body);
 653                 }
 654         }
 655
 656         $wall = 0;
 657
 658         if($post_type === 'wall' || $post_type === 'wall-comment')
 659                 $wall = 1;
 660
 661         if(! strlen($verb))
 662                 $verb = ACTIVITY_POST ;
 663
 664         if ($network == "")
 665                 $network = NETWORK_DFRN;
 666
 667         $gravity = (($parent) ? 6 : 0 );
 668
 669         // even if the post arrived via API we are considering that it
 670         // originated on this site by default for determining relayability.
 671
 672         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 673
 674         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 675
 676         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid));
 677
 678         // Fallback so that we alway have a thr-parent
 679         if(!$thr_parent)
 680                 $thr_parent = $uri;
 681
 682         $datarray = array();
 683         $datarray['uid']           = $profile_uid;
 684         $datarray['type']          = $post_type;
 685         $datarray['wall']          = $wall;
 686         $datarray['gravity']       = $gravity;
 687         $datarray['network']       = $network;
 688         $datarray['contact-id']    = $contact_id;
 689         $datarray['owner-name']    = $contact_record['name'];
 690         $datarray['owner-link']    = $contact_record['url'];
 691         $datarray['owner-avatar']  = $contact_record['thumb'];
 692         $datarray['author-name']   = $author['name'];
 693         $datarray['author-link']   = $author['url'];
 694         $datarray['author-avatar'] = $author['thumb'];
 695         $datarray['created']       = datetime_convert();
 696         $datarray['edited']        = datetime_convert();
 697         $datarray['commented']     = datetime_convert();
 698         $datarray['received']      = datetime_convert();
 699         $datarray['changed']       = datetime_convert();
 700         $datarray['extid']         = $extid;
 701         $datarray['guid']          = $guid;
 702         $datarray['uri']           = $uri;
 703         $datarray['title']         = $title;
 704         $datarray['body']          = $body;
 705         $datarray['app']           = $app;
 706         $datarray['location']      = $location;
 707         $datarray['coord']         = $coord;
 708         $datarray['tag']           = $str_tags;
 709         $datarray['file']          = $categories;
 710         $datarray['inform']        = $inform;
 711         $datarray['verb']          = $verb;
 712         $datarray['object-type']   = $objecttype;
 713         $datarray['allow_cid']     = $str_contact_allow;
 714         $datarray['allow_gid']     = $str_group_allow;
 715         $datarray['deny_cid']      = $str_contact_deny;
 716         $datarray['deny_gid']      = $str_group_deny;
 717         $datarray['private']       = $private;
 718         $datarray['pubmail']       = $pubmail_enable;
 719         $datarray['attach']        = $attachments;
 720         $datarray['bookmark']      = intval($bookmark);
 721         $datarray['thr-parent']    = $thr_parent;
 722         $datarray['postopts']      = $postopts;
 723         $datarray['origin']        = $origin;
 724         $datarray['moderated']     = $allow_moderated;
 725
 726         /**
 727          * These fields are for the convenience of plugins...
 728          * 'self' if true indicates the owner is posting on their own wall
 729          * If parent is 0 it is a top-level post.
 730          */
 731
 732         $datarray['parent']        = $parent;
 733         $datarray['self']          = $self;
 734 //      $datarray['prvnets']       = $user['prvnets'];
 735
 736         if($orig_post)
 737                 $datarray['edit']      = true;
 738
 739         // Search for hashtags
 740         item_body_set_hashtags($datarray);
 741
 742         // preview mode - prepare the body for display and send it via json
 743
 744         if($preview) {
 745                 require_once('include/conversation.php');
 746                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 747                 logger('preview: ' . $o);
 748                 echo json_encode(array('preview' => $o));
 749                 killme();
 750         }
 751
 752
 753         call_hooks('post_local',$datarray);
 754
 755         if(x($datarray,'cancel')) {
 756                 logger('mod_item: post cancelled by plugin.');
 757                 if($return_path) {
 758                         goaway($a->get_baseurl() . "/" . $return_path);
 759                 }
 760
 761                 $json = array('cancel' => 1);
 762                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 763                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 764
 765                 echo json_encode($json);
 766                 killme();
 767         }
 768
 769         // Fill the cache field
 770         put_item_in_cache($datarray);
 771
 772         if($orig_post) {
 773                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 774                         dbesc($datarray['title']),
 775                         dbesc($datarray['body']),
 776                         dbesc($datarray['tag']),
 777                         dbesc($datarray['attach']),
 778                         dbesc($datarray['file']),
 779                         dbesc($datarray['rendered-html']),
 780                         dbesc($datarray['rendered-hash']),
 781                         dbesc(datetime_convert()),
 782                         dbesc(datetime_convert()),
 783                         intval($post_id),
 784                         intval($profile_uid)
 785                 );
 786
 787                 create_tags_from_item($post_id);
 788                 create_files_from_item($post_id);
 789                 update_thread($post_id);
 790
 791                 // update filetags in pconfig
 792                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 793
 794                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 795                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 796                         logger('return: ' . $return_path);
 797                         goaway($a->get_baseurl() . "/" . $return_path );
 798                 }
 799                 killme();
 800         }
 801         else
 802                 $post_id = 0;
 803
 804
 805         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,
 806                 `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,
 807                 `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)
 808                 VALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')",
 809                 dbesc($datarray['guid']),
 810                 dbesc($datarray['extid']),
 811                 intval($datarray['uid']),
 812                 dbesc($datarray['type']),
 813                 intval($datarray['wall']),
 814                 intval($datarray['gravity']),
 815                 dbesc($datarray['network']),
 816                 intval($datarray['contact-id']),
 817                 dbesc($datarray['owner-name']),
 818                 dbesc($datarray['owner-link']),
 819                 dbesc($datarray['owner-avatar']),
 820                 dbesc($datarray['author-name']),
 821                 dbesc($datarray['author-link']),
 822                 dbesc($datarray['author-avatar']),
 823                 dbesc($datarray['created']),
 824                 dbesc($datarray['edited']),
 825                 dbesc($datarray['commented']),
 826                 dbesc($datarray['received']),
 827                 dbesc($datarray['changed']),
 828                 dbesc($datarray['uri']),
 829                 dbesc($datarray['thr-parent']),
 830                 dbesc($datarray['title']),
 831                 dbesc($datarray['body']),
 832                 dbesc($datarray['app']),
 833                 dbesc($datarray['location']),
 834                 dbesc($datarray['coord']),
 835                 dbesc($datarray['tag']),
 836                 dbesc($datarray['inform']),
 837                 dbesc($datarray['verb']),
 838                 dbesc($datarray['object-type']),
 839                 dbesc($datarray['postopts']),
 840                 dbesc($datarray['allow_cid']),
 841                 dbesc($datarray['allow_gid']),
 842                 dbesc($datarray['deny_cid']),
 843                 dbesc($datarray['deny_gid']),
 844                 intval($datarray['private']),
 845                 intval($datarray['pubmail']),
 846                 dbesc($datarray['attach']),
 847                 intval($datarray['bookmark']),
 848                 intval($datarray['origin']),
 849                 intval($datarray['moderated']),
 850                 dbesc($datarray['file']),
 851                 dbesc($datarray['rendered-html']),
 852                 dbesc($datarray['rendered-hash'])
 853                );
 854
 855         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 856                 dbesc($datarray['uri']));
 857         if(!count($r)) {
 858                 logger('mod_item: unable to retrieve post that was just stored.');
 859                 notice( t('System error. Post not saved.') . EOL);
 860                 goaway($a->get_baseurl() . "/" . $return_path );
 861                 // NOTREACHED
 862         }
 863
 864         // Store the guid and other relevant data
 865         add_guid($datarray);
 866
 867         $post_id = $r[0]['id'];
 868         logger('mod_item: saved item ' . $post_id);
 869
 870         $datarray["id"] = $post_id;
 871         $datarray["plink"] = $a->get_baseurl().'/display/'.urlencode($datarray["guid"]);
 872
 873         // update filetags in pconfig
 874         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 875
 876         if($parent) {
 877
 878                 // This item is the last leaf and gets the comment box, clear any ancestors
 879                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 880                         dbesc(datetime_convert()),
 881                         intval($parent)
 882                 );
 883                 update_thread($parent, true);
 884
 885                 // Inherit ACLs from the parent item.
 886
 887                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 888                         WHERE `id` = %d",
 889                         dbesc($parent_item['allow_cid']),
 890                         dbesc($parent_item['allow_gid']),
 891                         dbesc($parent_item['deny_cid']),
 892                         dbesc($parent_item['deny_gid']),
 893                         intval($parent_item['private']),
 894                         intval($post_id)
 895                 );
 896
 897                 if($contact_record != $author) {
 898                         notification(array(
 899                                 'type'         => NOTIFY_COMMENT,
 900                                 'notify_flags' => $user['notify-flags'],
 901                                 'language'     => $user['language'],
 902                                 'to_name'      => $user['username'],
 903                                 'to_email'     => $user['email'],
 904                                 'uid'          => $user['uid'],
 905                                 'item'         => $datarray,
 906                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 907                                 'source_name'  => $datarray['author-name'],
 908                                 'source_link'  => $datarray['author-link'],
 909                                 'source_photo' => $datarray['author-avatar'],
 910                                 'verb'         => ACTIVITY_POST,
 911                                 'otype'        => 'item',
 912                                 'parent'       => $parent,
 913                                 'parent_uri'   => $parent_item['uri']
 914                         ));
 915
 916                 }
 917
 918
 919                 // Store the comment signature information in case we need to relay to Diaspora
 920                 store_diaspora_comment_sig($datarray, $author, ($self ? $a->user['prvkey'] : false), $parent_item, $post_id);
 921
 922         } else {
 923                 $parent = $post_id;
 924
 925                 if($contact_record != $author) {
 926                         notification(array(
 927                                 'type'         => NOTIFY_WALL,
 928                                 'notify_flags' => $user['notify-flags'],
 929                                 'language'     => $user['language'],
 930                                 'to_name'      => $user['username'],
 931                                 'to_email'     => $user['email'],
 932                                 'uid'          => $user['uid'],
 933                                 'item'         => $datarray,
 934                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 935                                 'source_name'  => $datarray['author-name'],
 936                                 'source_link'  => $datarray['author-link'],
 937                                 'source_photo' => $datarray['author-avatar'],
 938                                 'verb'         => ACTIVITY_POST,
 939                                 'otype'        => 'item'
 940                         ));
 941                 }
 942         }
 943
 944         // fallback so that parent always gets set to non-zero.
 945
 946         if(! $parent)
 947                 $parent = $post_id;
 948
 949         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 950                 WHERE `id` = %d",
 951                 intval($parent),
 952                 dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 953                 dbesc($a->get_baseurl().'/display/'.urlencode($datarray['guid'])),
 954                 dbesc(datetime_convert()),
 955                 intval($post_id)
 956         );
 957
 958         // photo comments turn the corresponding item visible to the profile wall
 959         // This way we don't see every picture in your new photo album posted to your wall at once.
 960         // They will show up as people comment on them.
 961
 962         if(! $parent_item['visible']) {
 963                 $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d",
 964                         intval($parent_item['id'])
 965                 );
 966                 update_thread($parent_item['id']);
 967         }
 968
 969         // update the commented timestamp on the parent
 970
 971         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 972                 dbesc(datetime_convert()),
 973                 dbesc(datetime_convert()),
 974                 intval($parent)
 975         );
 976         if ($post_id != $parent)
 977                 update_thread($parent);
 978
 979         call_hooks('post_local_end', $datarray);
 980
 981         if(strlen($emailcc) && $profile_uid == local_user()) {
 982                 $erecips = explode(',', $emailcc);
 983                 if(count($erecips)) {
 984                         foreach($erecips as $recip) {
 985                                 $addr = trim($recip);
 986                                 if(! strlen($addr))
 987                                         continue;
 988                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 989                                         . '<br />';
 990                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 991                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 992                                 if (!$datarray['title']=='') {
 993                                     $subject = email_header_encode($datarray['title'],'UTF-8');
 994                                 } else {
 995                                     $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
 996                                 }
 997                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 998                                 $html    = prepare_body($datarray);
 999                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
1000                                 include_once('include/html2plain.php');
1001                                 $params = array (
1002                                     'fromName' => $a->user['username'],
1003                                     'fromEmail' => $a->user['email'],
1004                                     'toEmail' => $addr,
1005                                     'replyTo' => $a->user['email'],
1006                                     'messageSubject' => $subject,
1007                                     'htmlVersion' => $message,
1008                                     'textVersion' => html2plain($html.$disclaimer),
1009                                 );
1010                                 Emailer::send($params);
1011                         }
1012                 }
1013         }
1014
1015         create_tags_from_item($post_id);
1016         create_files_from_item($post_id);
1017
1018         if ($post_id == $parent)
1019                 add_thread($post_id);
1020
1021         // This is a real juggling act on shared hosting services which kill your processes
1022         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
1023         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
1024         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
1025         // likely to get killed off. If you end up looking at an /item URL and a blank page,
1026         // it's very likely the delivery got killed before all your friends could be notified.
1027         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
1028         // or cut back on plugins which do remote deliveries.
1029
1030         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
1031
1032         logger('post_complete');
1033
1034         item_post_return($a->get_baseurl(), $api_source, $return_path);
1035         // NOTREACHED
1036 }
1037
1038 function item_post_return($baseurl, $api_source, $return_path) {
1039         // figure out how to return, depending on from whence we came
1040
1041         if($api_source)
1042                 return;
1043
1044         if($return_path) {
1045                 goaway($baseurl . "/" . $return_path);
1046         }
1047
1048         $json = array('success' => 1);
1049         if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
1050                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1051
1052         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1053
1054         echo json_encode($json);
1055         killme();
1056 }
1057
1058
1059
1060 function item_content(&$a) {
1061
1062         if((! local_user()) && (! remote_user()))
1063                 return;
1064
1065         require_once('include/security.php');
1066
1067         $o = '';
1068         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1069                 $o = drop_item($a->argv[2], !is_ajax());
1070                 if (is_ajax()){
1071                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1072                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1073                         killme();
1074                 }
1075         }
1076         return $o;
1077 }
1078
1079 /**
1080  * This function removes the tag $tag from the text $body and replaces it with
1081  * the appropiate link.
1082  *
1083  * @param unknown_type $body the text to replace the tag in
1084  * @param unknown_type $inform a comma-seperated string containing everybody to inform
1085  * @param unknown_type $str_tags string to add the tag to
1086  * @param unknown_type $profile_uid
1087  * @param unknown_type $tag the tag to replace
1088  *
1089  * @return boolean true if replaced, false if not replaced
1090  */
1091 function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1092
1093         $replaced = false;
1094         $r = null;
1095
1096         //is it a person tag?
1097         if(strpos($tag,'@') === 0) {
1098                 //is it already replaced?
1099                 if(strpos($tag,'[url=')) {
1100                         //append tag to str_tags
1101                         if(!stristr($str_tags,$tag)) {
1102                                 if(strlen($str_tags))
1103                                         $str_tags .= ',';
1104                                 $str_tags .= $tag;
1105                         }
1106
1107                         // Checking for the alias that is used for OStatus
1108                         $pattern = "/@\[url\=(.*?)\](.*?)\[\/url\]/ism";
1109                         if (preg_match($pattern, $tag, $matches)) {
1110                                 $data = probe_url($matches[1]);
1111                                 if ($data["alias"] != "") {
1112                                         $newtag = '@[url='.$data["alias"].']'.$data["name"].'[/url]';
1113                                         if(!stristr($str_tags,$newtag)) {
1114                                                 if(strlen($str_tags))
1115                                                         $str_tags .= ',';
1116                                                 $str_tags .= $newtag;
1117                                         }
1118                                 }
1119                         }
1120
1121                         return $replaced;
1122                 }
1123                 $stat = false;
1124                 //get the person's name
1125                 $name = substr($tag,1);
1126                 //is it a link or a full dfrn address?
1127                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
1128                         $newname = $name;
1129                         //get the profile links
1130                         $links = @lrdd($name);
1131                         if(count($links)) {
1132                                 //for all links, collect how is to inform and how's profile is to link
1133                                 foreach($links as $link) {
1134                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
1135                                                 $profile = $link['@attributes']['href'];
1136                                         if($link['@attributes']['rel'] === 'salmon') {
1137                                                 if(strlen($inform))
1138                                                         $inform .= ',';
1139                                                 $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
1140                                         }
1141                                 }
1142                         }
1143                 } elseif (($network != NETWORK_OSTATUS) AND ($network != NETWORK_TWITTER) AND
1144                         ($network != NETWORK_STATUSNET) AND ($network != NETWORK_APPNET)) {
1145                         //if it is a name rather than an address
1146                         $newname = $name;
1147                         $alias = '';
1148                         $tagcid = 0;
1149                         //is it some generated name?
1150                         if(strrpos($newname,'+')) {
1151                                 //get the id
1152                                 $tagcid = intval(substr($newname,strrpos($newname,'+') + 1));
1153                                 //remove the next word from tag's name
1154                                 if(strpos($name,' ')) {
1155                                         $name = substr($name,0,strpos($name,' '));
1156                                 }
1157                         }
1158                         if($tagcid) { //if there was an id
1159                                 //select contact with that id from the logged in user's contact list
1160                                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1161                                                 intval($tagcid),
1162                                                 intval($profile_uid)
1163                                 );
1164                         }
1165                         else {
1166                                 $newname = str_replace('_',' ',$name);
1167
1168                                 // At first try to fetch a contact according to the given network
1169                                 if ($network != "") {
1170                                         //select someone from this user's contacts by name
1171                                         $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1172                                                         dbesc($newname),
1173                                                         dbesc($network),
1174                                                         intval($profile_uid)
1175                                         );
1176                                         if(! $r) {
1177                                                 //select someone by attag or nick and the name passed in
1178                                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1179                                                                 dbesc($name),
1180                                                                 dbesc($name),
1181                                                                 dbesc($network),
1182                                                                 intval($profile_uid)
1183                                                 );
1184                                         }
1185                                 } else
1186                                         $r = false;
1187
1188                                 if(! $r) {
1189                                         //select someone from this user's contacts by name
1190                                         $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1191                                                         dbesc($newname),
1192                                                         intval($profile_uid)
1193                                         );
1194                                 }
1195
1196                                 if(! $r) {
1197                                         //select someone by attag or nick and the name passed in
1198                                         $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1199                                                         dbesc($name),
1200                                                         dbesc($name),
1201                                                         intval($profile_uid)
1202                                         );
1203                                 }
1204                         }
1205 /*                      } elseif(strstr($name,'_') || strstr($name,' ')) { //no id
1206                                 //get the real name
1207                                 $newname = str_replace('_',' ',$name);
1208                                 //select someone from this user's contacts by name
1209                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1210                                                 dbesc($newname),
1211                                                 intval($profile_uid)
1212                                 );
1213                         } else {
1214                                 //select someone by attag or nick and the name passed in
1215                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1216                                                 dbesc($name),
1217                                                 dbesc($name),
1218                                                 intval($profile_uid)
1219                                 );
1220                         }*/
1221                         //$r is set, if someone could be selected
1222                         if(count($r)) {
1223                                 $profile = $r[0]['url'];
1224                                 //set newname to nick, find alias
1225                                 if(($r[0]['network'] === NETWORK_OSTATUS) OR ($r[0]['network'] === NETWORK_TWITTER)
1226                                         OR ($r[0]['network'] === NETWORK_STATUSNET) OR ($r[0]['network'] === NETWORK_APPNET)) {
1227                                         $newname = $r[0]['nick'];
1228                                         $stat = true;
1229                                         if($r[0]['alias'])
1230                                                 $alias = $r[0]['alias'];
1231                                 }
1232                                 else
1233                                         $newname = $r[0]['name'];
1234                                 //add person's id to $inform
1235                                 if(strlen($inform))
1236                                         $inform .= ',';
1237                                 $inform .= 'cid:' . $r[0]['id'];
1238                         }
1239                 }
1240                 //if there is an url for this persons profile
1241                 if(isset($profile)) {
1242                         $replaced = true;
1243                         //create profile link
1244                         $profile = str_replace(',','%2c',$profile);
1245                         $newtag = '@[url=' . $profile . ']' . $newname  . '[/url]';
1246                         $body = str_replace('@' . $name, $newtag, $body);
1247                         //append tag to str_tags
1248                         if(! stristr($str_tags,$newtag)) {
1249                                 if(strlen($str_tags))
1250                                         $str_tags .= ',';
1251                                 $str_tags .= $newtag;
1252                         }
1253
1254                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
1255                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1256
1257                         if(strlen($alias)) {
1258                                 $newtag = '@[url=' . $alias . ']' . $newname    . '[/url]';
1259                                 if(! stristr($str_tags,$newtag)) {
1260                                         if(strlen($str_tags))
1261                                                 $str_tags .= ',';
1262                                         $str_tags .= $newtag;
1263                                 }
1264                         }
1265                 }
1266         }
1267
1268         return array('replaced' => $replaced, 'contact' => $r[0]);
1269 }
1270
1271
1272 function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item, $post_id) {
1273         // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
1274
1275         $enabled = intval(get_config('system','diaspora_enabled'));
1276         if(! $enabled) {
1277                 logger('mod_item: diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
1278                 return;
1279         }
1280
1281
1282         logger('mod_item: storing diaspora comment signature');
1283
1284         require_once('include/bb2diaspora.php');
1285         $signed_body = html_entity_decode(bb2diaspora($datarray['body']));
1286
1287         // Only works for NETWORK_DFRN
1288         $contact_baseurl_start = strpos($author['url'],'://') + 3;
1289         $contact_baseurl_length = strpos($author['url'],'/profile') - $contact_baseurl_start;
1290         $contact_baseurl = substr($author['url'], $contact_baseurl_start, $contact_baseurl_length);
1291         $diaspora_handle = $author['nick'] . '@' . $contact_baseurl;
1292
1293         $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
1294
1295         if( $uprvkey !== false )
1296                 $authorsig = base64_encode(rsa_sign($signed_text,$uprvkey,'sha256'));
1297         else
1298                 $authorsig = '';
1299
1300         q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1301                 intval($post_id),
1302                 dbesc($signed_text),
1303                 dbesc(base64_encode($authorsig)),
1304                 dbesc($diaspora_handle)
1305         );
1306
1307         return;
1308 }