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"] = $probed_contact["addr"];
 148                                         }
 149                                         logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 150                                 } else
 151                                         logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 152                         }
 153                 }
 154         }
 155
 156         if($parent) logger('mod_item: item_post parent=' . $parent);
 157
 158         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 159         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 160         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 161         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])  : '');
 162
 163         $allow_moderated = false;
 164
 165         // here is where we are going to check for permission to post a moderated comment.
 166
 167         // First check that the parent exists and it is a wall item.
 168
 169         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 170                 notice( t('Permission denied.') . EOL) ;
 171                 if(x($_REQUEST,'return'))
 172                         goaway($a->get_baseurl() . "/" . $return_path );
 173                 killme();
 174         }
 175
 176         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 177         // have been provided, and run any anti-spam plugins
 178
 179
 180         // TODO
 181
 182
 183
 184
 185         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 186                 notice( t('Permission denied.') . EOL) ;
 187                 if(x($_REQUEST,'return'))
 188                         goaway($a->get_baseurl() . "/" . $return_path );
 189                 killme();
 190         }
 191
 192
 193         // is this an edited post?
 194
 195         $orig_post = null;
 196
 197         if($post_id) {
 198                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 199                         intval($profile_uid),
 200                         intval($post_id)
 201                 );
 202                 if(! count($i))
 203                         killme();
 204                 $orig_post = $i[0];
 205         }
 206
 207         $user = null;
 208
 209         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 210                 intval($profile_uid)
 211         );
 212         if(count($r))
 213                 $user = $r[0];
 214
 215         if($orig_post) {
 216                 $str_group_allow   = $orig_post['allow_gid'];
 217                 $str_contact_allow = $orig_post['allow_cid'];
 218                 $str_group_deny    = $orig_post['deny_gid'];
 219                 $str_contact_deny  = $orig_post['deny_cid'];
 220                 $location          = $orig_post['location'];
 221                 $coord             = $orig_post['coord'];
 222                 $verb              = $orig_post['verb'];
 223                 $objecttype        = $orig_post['object-type'];
 224                 $emailcc           = $orig_post['emailcc'];
 225                 $app               = $orig_post['app'];
 226                 $categories        = $orig_post['file'];
 227                 $title             = notags(trim($_REQUEST['title']));
 228                 $body              = escape_tags(trim($_REQUEST['body']));
 229                 $private           = $orig_post['private'];
 230                 $pubmail_enable    = $orig_post['pubmail'];
 231                 $network           = $orig_post['network'];
 232                 $guid              = $orig_post['guid'];
 233                 $extid             = $orig_post['extid'];
 234
 235         } else {
 236
 237                 // if coming from the API and no privacy settings are set,
 238                 // use the user default permissions - as they won't have
 239                 // been supplied via a form.
 240
 241                 if(($api_source)
 242                         && (! array_key_exists('contact_allow',$_REQUEST))
 243                         && (! array_key_exists('group_allow',$_REQUEST))
 244                         && (! array_key_exists('contact_deny',$_REQUEST))
 245                         && (! array_key_exists('group_deny',$_REQUEST))) {
 246                         $str_group_allow   = $user['allow_gid'];
 247                         $str_contact_allow = $user['allow_cid'];
 248                         $str_group_deny    = $user['deny_gid'];
 249                         $str_contact_deny  = $user['deny_cid'];
 250                 }
 251                 else {
 252
 253                         // use the posted permissions
 254
 255                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 256                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 257                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 258                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 259                 }
 260
 261                 $title             = notags(trim($_REQUEST['title']));
 262                 $location          = notags(trim($_REQUEST['location']));
 263                 $coord             = notags(trim($_REQUEST['coord']));
 264                 $verb              = notags(trim($_REQUEST['verb']));
 265                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 266                 $body              = escape_tags(trim($_REQUEST['body']));
 267                 $network           = notags(trim($_REQUEST['network']));
 268                 $guid              = get_guid(32);
 269
 270
 271                 $naked_body = preg_replace('/\[(.+?)\]/','',$body);
 272
 273                 if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
 274                         $l = new Text_LanguageDetect;
 275                         //$lng = $l->detectConfidence($naked_body);
 276                         //$postopts = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
 277
 278                         $lng = $l->detect($naked_body, 3);
 279
 280                         if (sizeof($lng) > 0) {
 281                                 $postopts = "";
 282
 283                                 foreach ($lng as $language => $score) {
 284                                         if ($postopts == "")
 285                                                 $postopts = "lang=";
 286                                         else
 287                                                 $postopts .= ":";
 288
 289                                         $postopts .= $language.";".$score;
 290                                 }
 291                         }
 292
 293                         logger('mod_item: detect language' . print_r($lng,true) . $naked_body, LOGGER_DATA);
 294                 }
 295                 else
 296                         $postopts = '';
 297
 298
 299                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 300
 301
 302                 if($user['hidewall'])
 303                         $private = 2;
 304
 305                 // If this is a comment, set the permissions from the parent.
 306
 307                 if($parent_item) {
 308                         $private = 0;
 309
 310                         // for non native networks use the network of the original post as network of the item
 311                         if (($parent_item['network'] != NETWORK_DIASPORA)
 312                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 313                                 AND ($network == ""))
 314                                 $network = $parent_item['network'];
 315
 316                         if(($parent_item['private'])
 317                                 || strlen($parent_item['allow_cid'])
 318                                 || strlen($parent_item['allow_gid'])
 319                                 || strlen($parent_item['deny_cid'])
 320                                 || strlen($parent_item['deny_gid'])) {
 321                                 $private = (($parent_item['private']) ? $parent_item['private'] : 1);
 322                         }
 323
 324                         $str_contact_allow = $parent_item['allow_cid'];
 325                         $str_group_allow   = $parent_item['allow_gid'];
 326                         $str_contact_deny  = $parent_item['deny_cid'];
 327                         $str_group_deny    = $parent_item['deny_gid'];
 328                 }
 329                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 330
 331                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 332
 333                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 334                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 335                         if(! $mail_disabled) {
 336                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 337                                         intval(local_user())
 338                                 );
 339                                 if(count($r) && intval($r[0]['pubmail']))
 340                                         $pubmail_enabled = true;
 341                         }
 342                 }
 343
 344                 if(! strlen($body)) {
 345                         if($preview)
 346                                 killme();
 347                         info( t('Empty post discarded.') . EOL );
 348                         if(x($_REQUEST,'return'))
 349                                 goaway($a->get_baseurl() . "/" . $return_path );
 350                         killme();
 351                 }
 352         }
 353
 354         if(strlen($categories)) {
 355                 // get the "fileas" tags for this post
 356                 $filedas = file_tag_file_to_list($categories, 'file');
 357         }
 358         // save old and new categories, so we can determine what needs to be deleted from pconfig
 359         $categories_old = $categories;
 360         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 361         $categories_new = $categories;
 362         if(strlen($filedas)) {
 363                 // append the fileas stuff to the new categories list
 364                 $categories .= file_tag_list_to_file($filedas, 'file');
 365         }
 366
 367         // Work around doubled linefeeds in Tinymce 3.5b2
 368         // First figure out if it's a status post that would've been
 369         // created using tinymce. Otherwise leave it alone.
 370
 371 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 372         if((! $parent) && (! $api_source) && (! $plaintext)) {
 373                 $body = fix_mce_lf($body);
 374         }*/
 375         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 376         if((! $parent) && (! $api_source) && (! $plaintext)) {
 377                 $body = fix_mce_lf($body);
 378         }
 379
 380
 381         // get contact info for poster
 382
 383         $author = null;
 384         $self   = false;
 385         $contact_id = 0;
 386
 387         if((local_user()) && (local_user() == $profile_uid)) {
 388                 $self = true;
 389                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 390                         intval($_SESSION['uid'])
 391                 );
 392         }
 393         elseif(remote_user()) {
 394                 if(is_array($_SESSION['remote'])) {
 395                         foreach($_SESSION['remote'] as $v) {
 396                                 if($v['uid'] == $profile_uid) {
 397                                         $contact_id = $v['cid'];
 398                                         break;
 399                                 }
 400                         }
 401                 }
 402                 if($contact_id) {
 403                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 404                                 intval($contact_id)
 405                         );
 406                 }
 407         }
 408
 409         if(count($r)) {
 410                 $author = $r[0];
 411                 $contact_id = $author['id'];
 412         }
 413
 414         // get contact info for owner
 415
 416         if($profile_uid == local_user()) {
 417                 $contact_record = $author;
 418         }
 419         else {
 420                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 421                         intval($profile_uid)
 422                 );
 423                 if(count($r))
 424                         $contact_record = $r[0];
 425         }
 426
 427         $post_type = notags(trim($_REQUEST['type']));
 428
 429         if($post_type === 'net-comment') {
 430                 if($parent_item !== null) {
 431                         if($parent_item['wall'] == 1)
 432                                 $post_type = 'wall-comment';
 433                         else
 434                                 $post_type = 'remote-comment';
 435                 }
 436         }
 437
 438         /**
 439          *
 440          * When a photo was uploaded into the message using the (profile wall) ajax
 441          * uploader, The permissions are initially set to disallow anybody but the
 442          * owner from seeing it. This is because the permissions may not yet have been
 443          * set for the post. If it's private, the photo permissions should be set
 444          * appropriately. But we didn't know the final permissions on the post until
 445          * now. So now we'll look for links of uploaded messages that are in the
 446          * post and set them to the same permissions as the post itself.
 447          *
 448          */
 449
 450         $match = null;
 451
 452         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 453                 $images = $match[2];
 454                 if(count($images)) {
 455
 456                         $objecttype = ACTIVITY_OBJ_IMAGE;
 457
 458                         foreach($images as $image) {
 459                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 460                                         continue;
 461                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 462                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 463                                 if(! strlen($image_uri))
 464                                         continue;
 465                                 $srch = '<' . intval($contact_id) . '>';
 466
 467                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 468                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 469                                         dbesc($srch),
 470                                         dbesc($image_uri),
 471                                         intval($profile_uid)
 472                                 );
 473
 474                                 if(! count($r))
 475                                         continue;
 476
 477
 478                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 479                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 480                                         dbesc($str_contact_allow),
 481                                         dbesc($str_group_allow),
 482                                         dbesc($str_contact_deny),
 483                                         dbesc($str_group_deny),
 484                                         dbesc($image_uri),
 485                                         intval($profile_uid),
 486                                         dbesc( t('Wall Photos'))
 487                                 );
 488
 489                         }
 490                 }
 491         }
 492
 493
 494         /**
 495          * Next link in any attachment references we find in the post.
 496          */
 497
 498         $match = false;
 499
 500         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 501                 $attaches = $match[1];
 502                 if(count($attaches)) {
 503                         foreach($attaches as $attach) {
 504                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 505                                         intval($profile_uid),
 506                                         intval($attach)
 507                                 );
 508                                 if(count($r)) {
 509                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 510                                                 WHERE `uid` = %d AND `id` = %d",
 511                                                 dbesc($str_contact_allow),
 512                                                 dbesc($str_group_allow),
 513                                                 dbesc($str_contact_deny),
 514                                                 dbesc($str_group_deny),
 515                                                 intval($profile_uid),
 516                                                 intval($attach)
 517                                         );
 518                                 }
 519                         }
 520                 }
 521         }
 522
 523         // embedded bookmark in post? set bookmark flag
 524
 525         $bookmark = 0;
 526         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 527                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 528                 $bookmark = 1;
 529         }
 530
 531         $body = bb_translate_video($body);
 532
 533
 534         /**
 535          * Fold multi-line [code] sequences
 536          */
 537
 538         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 539
 540         $body = scale_external_images($body,false);
 541
 542
 543         // Setting the object type if not defined before
 544         if (!$objecttype) {
 545                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 546                 require_once("include/plaintext.php");
 547                 $objectdata = get_attached_data($body);
 548
 549                 if ($post["type"] == "link")
 550                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 551                 elseif ($post["type"] == "video")
 552                         $objecttype = ACTIVITY_OBJ_VIDEO;
 553                 elseif ($post["type"] == "photo")
 554                         $objecttype = ACTIVITY_OBJ_IMAGE;
 555
 556         }
 557
 558         /**
 559          * Look for any tags and linkify them
 560          */
 561
 562         $str_tags = '';
 563         $inform   = '';
 564
 565
 566         $tags = get_tags($body);
 567
 568         /**
 569          * add a statusnet style reply tag if the original post was from there
 570          * and we are replying, and there isn't one already
 571          */
 572
 573         if ($parent_contact['id'] != "")
 574                 $contact = '@'.$parent_contact['nick'].'+'.$parent_contact['id'];
 575         //elseif ($parent_contact['addr'] != "")
 576         //      $contact = '@'.$parent_contact['addr'];
 577         else
 578                 $contact = '@[url='.$parent_contact['url'].']'.$parent_contact['nick'].'[/url]';
 579
 580         if ($parent_contact && ($parent_contact['network'] === NETWORK_OSTATUS)) {
 581                 if (($parent_contact['nick']) && (!in_array($contact,$tags))) {
 582                         $body = $contact.' '.$body;
 583                         $tags[] = $contact;
 584                 }
 585
 586                 $toplevel_contact = "";
 587                 $toplevel_parent = q("SELECT `contact`.* FROM `contact` INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id`
 588                                         WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 589                 if ($toplevel_parent)
 590                         $toplevel_contact = '@'.$toplevel_parent[0]['nick'].'+'.$toplevel_parent[0]['id'];
 591                 else {
 592                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 593                         $toplevel_contact = '@[url='.$toplevel_parent[0]['author-link'].']'.$toplevel_parent[0]['author-name'].'[/url]';
 594                 }
 595
 596                 if ($toplevel_contact != "")
 597                         if (!in_array($toplevel_contact,$tags))
 598                                 $tags[] = $toplevel_contact;
 599         }
 600
 601         $tagged = array();
 602
 603         $private_forum = false;
 604
 605         if(count($tags)) {
 606                 foreach($tags as $tag) {
 607
 608                         if(strpos($tag,'#') === 0)
 609                                 continue;
 610
 611                         // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 612                         // Robert Johnson should be first in the $tags array
 613
 614                         $fullnametagged = false;
 615                         for($x = 0; $x < count($tagged); $x ++) {
 616                                 if(stristr($tagged[$x],$tag . ' ')) {
 617                                         $fullnametagged = true;
 618                                         break;
 619                                 }
 620                         }
 621                         if($fullnametagged)
 622                                 continue;
 623
 624                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 625                         if($success['replaced'])
 626                                 $tagged[] = $tag;
 627                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 628                                 $private_forum = true;
 629                                 $private_id = $success['contact']['id'];
 630                         }
 631                 }
 632         }
 633
 634         if(($private_forum) && (! $parent) && (! $private)) {
 635                 // we tagged a private forum in a top level post and the message was public.
 636                 // Restrict it.
 637                 $private = 1;
 638                 $str_contact_allow = '<' . $private_id . '>';
 639         }
 640
 641         $attachments = '';
 642         $match = false;
 643
 644         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 645                 foreach($match[2] as $mtch) {
 646                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 647                                 intval($profile_uid),
 648                                 intval($mtch)
 649                         );
 650                         if(count($r)) {
 651                                 if(strlen($attachments))
 652                                         $attachments .= ',';
 653                                 $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]';
 654                         }
 655                         $body = str_replace($match[1],'',$body);
 656                 }
 657         }
 658
 659         $wall = 0;
 660
 661         if($post_type === 'wall' || $post_type === 'wall-comment')
 662                 $wall = 1;
 663
 664         if(! strlen($verb))
 665                 $verb = ACTIVITY_POST ;
 666
 667         if ($network == "")
 668                 $network = NETWORK_DFRN;
 669
 670         $gravity = (($parent) ? 6 : 0 );
 671
 672         // even if the post arrived via API we are considering that it
 673         // originated on this site by default for determining relayability.
 674
 675         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 676
 677         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 678
 679         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid));
 680
 681         // Fallback so that we alway have a thr-parent
 682         if(!$thr_parent)
 683                 $thr_parent = $uri;
 684
 685         $datarray = array();
 686         $datarray['uid']           = $profile_uid;
 687         $datarray['type']          = $post_type;
 688         $datarray['wall']          = $wall;
 689         $datarray['gravity']       = $gravity;
 690         $datarray['network']       = $network;
 691         $datarray['contact-id']    = $contact_id;
 692         $datarray['owner-name']    = $contact_record['name'];
 693         $datarray['owner-link']    = $contact_record['url'];
 694         $datarray['owner-avatar']  = $contact_record['thumb'];
 695         $datarray['author-name']   = $author['name'];
 696         $datarray['author-link']   = $author['url'];
 697         $datarray['author-avatar'] = $author['thumb'];
 698         $datarray['created']       = datetime_convert();
 699         $datarray['edited']        = datetime_convert();
 700         $datarray['commented']     = datetime_convert();
 701         $datarray['received']      = datetime_convert();
 702         $datarray['changed']       = datetime_convert();
 703         $datarray['extid']         = $extid;
 704         $datarray['guid']          = $guid;
 705         $datarray['uri']           = $uri;
 706         $datarray['title']         = $title;
 707         $datarray['body']          = $body;
 708         $datarray['app']           = $app;
 709         $datarray['location']      = $location;
 710         $datarray['coord']         = $coord;
 711         $datarray['tag']           = $str_tags;
 712         $datarray['file']          = $categories;
 713         $datarray['inform']        = $inform;
 714         $datarray['verb']          = $verb;
 715         $datarray['object-type']   = $objecttype;
 716         $datarray['allow_cid']     = $str_contact_allow;
 717         $datarray['allow_gid']     = $str_group_allow;
 718         $datarray['deny_cid']      = $str_contact_deny;
 719         $datarray['deny_gid']      = $str_group_deny;
 720         $datarray['private']       = $private;
 721         $datarray['pubmail']       = $pubmail_enable;
 722         $datarray['attach']        = $attachments;
 723         $datarray['bookmark']      = intval($bookmark);
 724         $datarray['thr-parent']    = $thr_parent;
 725         $datarray['postopts']      = $postopts;
 726         $datarray['origin']        = $origin;
 727         $datarray['moderated']     = $allow_moderated;
 728
 729         /**
 730          * These fields are for the convenience of plugins...
 731          * 'self' if true indicates the owner is posting on their own wall
 732          * If parent is 0 it is a top-level post.
 733          */
 734
 735         $datarray['parent']        = $parent;
 736         $datarray['self']          = $self;
 737 //      $datarray['prvnets']       = $user['prvnets'];
 738
 739         if($orig_post)
 740                 $datarray['edit']      = true;
 741
 742         // Search for hashtags
 743         item_body_set_hashtags($datarray);
 744
 745         // preview mode - prepare the body for display and send it via json
 746
 747         if($preview) {
 748                 require_once('include/conversation.php');
 749                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 750                 logger('preview: ' . $o);
 751                 echo json_encode(array('preview' => $o));
 752                 killme();
 753         }
 754
 755
 756         call_hooks('post_local',$datarray);
 757
 758         if(x($datarray,'cancel')) {
 759                 logger('mod_item: post cancelled by plugin.');
 760                 if($return_path) {
 761                         goaway($a->get_baseurl() . "/" . $return_path);
 762                 }
 763
 764                 $json = array('cancel' => 1);
 765                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 766                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 767
 768                 echo json_encode($json);
 769                 killme();
 770         }
 771
 772         // Fill the cache field
 773         put_item_in_cache($datarray);
 774
 775         if($orig_post) {
 776                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 777                         dbesc($datarray['title']),
 778                         dbesc($datarray['body']),
 779                         dbesc($datarray['tag']),
 780                         dbesc($datarray['attach']),
 781                         dbesc($datarray['file']),
 782                         dbesc($datarray['rendered-html']),
 783                         dbesc($datarray['rendered-hash']),
 784                         dbesc(datetime_convert()),
 785                         dbesc(datetime_convert()),
 786                         intval($post_id),
 787                         intval($profile_uid)
 788                 );
 789
 790                 create_tags_from_item($post_id);
 791                 create_files_from_item($post_id);
 792                 update_thread($post_id);
 793
 794                 // update filetags in pconfig
 795                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 796
 797                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 798                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 799                         logger('return: ' . $return_path);
 800                         goaway($a->get_baseurl() . "/" . $return_path );
 801                 }
 802                 killme();
 803         }
 804         else
 805                 $post_id = 0;
 806
 807
 808         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,
 809                 `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,
 810                 `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)
 811                 VALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')",
 812                 dbesc($datarray['guid']),
 813                 dbesc($datarray['extid']),
 814                 intval($datarray['uid']),
 815                 dbesc($datarray['type']),
 816                 intval($datarray['wall']),
 817                 intval($datarray['gravity']),
 818                 dbesc($datarray['network']),
 819                 intval($datarray['contact-id']),
 820                 dbesc($datarray['owner-name']),
 821                 dbesc($datarray['owner-link']),
 822                 dbesc($datarray['owner-avatar']),
 823                 dbesc($datarray['author-name']),
 824                 dbesc($datarray['author-link']),
 825                 dbesc($datarray['author-avatar']),
 826                 dbesc($datarray['created']),
 827                 dbesc($datarray['edited']),
 828                 dbesc($datarray['commented']),
 829                 dbesc($datarray['received']),
 830                 dbesc($datarray['changed']),
 831                 dbesc($datarray['uri']),
 832                 dbesc($datarray['thr-parent']),
 833                 dbesc($datarray['title']),
 834                 dbesc($datarray['body']),
 835                 dbesc($datarray['app']),
 836                 dbesc($datarray['location']),
 837                 dbesc($datarray['coord']),
 838                 dbesc($datarray['tag']),
 839                 dbesc($datarray['inform']),
 840                 dbesc($datarray['verb']),
 841                 dbesc($datarray['object-type']),
 842                 dbesc($datarray['postopts']),
 843                 dbesc($datarray['allow_cid']),
 844                 dbesc($datarray['allow_gid']),
 845                 dbesc($datarray['deny_cid']),
 846                 dbesc($datarray['deny_gid']),
 847                 intval($datarray['private']),
 848                 intval($datarray['pubmail']),
 849                 dbesc($datarray['attach']),
 850                 intval($datarray['bookmark']),
 851                 intval($datarray['origin']),
 852                 intval($datarray['moderated']),
 853                 dbesc($datarray['file']),
 854                 dbesc($datarray['rendered-html']),
 855                 dbesc($datarray['rendered-hash'])
 856                );
 857
 858         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 859                 dbesc($datarray['uri']));
 860         if(!count($r)) {
 861                 logger('mod_item: unable to retrieve post that was just stored.');
 862                 notice( t('System error. Post not saved.') . EOL);
 863                 goaway($a->get_baseurl() . "/" . $return_path );
 864                 // NOTREACHED
 865         }
 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                         return $replaced;
1101                 $stat = false;
1102                 //get the person's name
1103                 $name = substr($tag,1);
1104                 //is it a link or a full dfrn address?
1105                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
1106                         $newname = $name;
1107                         //get the profile links
1108                         $links = @lrdd($name);
1109                         if(count($links)) {
1110                                 //for all links, collect how is to inform and how's profile is to link
1111                                 foreach($links as $link) {
1112                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
1113                                                 $profile = $link['@attributes']['href'];
1114                                         if($link['@attributes']['rel'] === 'salmon') {
1115                                                 if(strlen($inform))
1116                                                         $inform .= ',';
1117                                                 $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
1118                                         }
1119                                 }
1120                         }
1121                 } elseif (($network != NETWORK_OSTATUS) AND ($network != NETWORK_TWITTER) AND
1122                         ($network != NETWORK_STATUSNET) AND ($network != NETWORK_APPNET)) {
1123                         //if it is a name rather than an address
1124                         $newname = $name;
1125                         $alias = '';
1126                         $tagcid = 0;
1127                         //is it some generated name?
1128                         if(strrpos($newname,'+')) {
1129                                 //get the id
1130                                 $tagcid = intval(substr($newname,strrpos($newname,'+') + 1));
1131                                 //remove the next word from tag's name
1132                                 if(strpos($name,' ')) {
1133                                         $name = substr($name,0,strpos($name,' '));
1134                                 }
1135                         }
1136                         if($tagcid) { //if there was an id
1137                                 //select contact with that id from the logged in user's contact list
1138                                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1139                                                 intval($tagcid),
1140                                                 intval($profile_uid)
1141                                 );
1142                         }
1143                         else {
1144                                 $newname = str_replace('_',' ',$name);
1145
1146                                 // At first try to fetch a contact according to the given network
1147                                 if ($network != "") {
1148                                         //select someone from this user's contacts by name
1149                                         $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1150                                                         dbesc($newname),
1151                                                         dbesc($network),
1152                                                         intval($profile_uid)
1153                                         );
1154                                         if(! $r) {
1155                                                 //select someone by attag or nick and the name passed in
1156                                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1157                                                                 dbesc($name),
1158                                                                 dbesc($name),
1159                                                                 dbesc($network),
1160                                                                 intval($profile_uid)
1161                                                 );
1162                                         }
1163                                 } else
1164                                         $r = false;
1165
1166                                 if(! $r) {
1167                                         //select someone from this user's contacts by name
1168                                         $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1169                                                         dbesc($newname),
1170                                                         intval($profile_uid)
1171                                         );
1172                                 }
1173
1174                                 if(! $r) {
1175                                         //select someone by attag or nick and the name passed in
1176                                         $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1177                                                         dbesc($name),
1178                                                         dbesc($name),
1179                                                         intval($profile_uid)
1180                                         );
1181                                 }
1182                         }
1183 /*                      } elseif(strstr($name,'_') || strstr($name,' ')) { //no id
1184                                 //get the real name
1185                                 $newname = str_replace('_',' ',$name);
1186                                 //select someone from this user's contacts by name
1187                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1188                                                 dbesc($newname),
1189                                                 intval($profile_uid)
1190                                 );
1191                         } else {
1192                                 //select someone by attag or nick and the name passed in
1193                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1194                                                 dbesc($name),
1195                                                 dbesc($name),
1196                                                 intval($profile_uid)
1197                                 );
1198                         }*/
1199                         //$r is set, if someone could be selected
1200                         if(count($r)) {
1201                                 $profile = $r[0]['url'];
1202                                 //set newname to nick, find alias
1203                                 if(($r[0]['network'] === NETWORK_OSTATUS) OR ($r[0]['network'] === NETWORK_TWITTER)
1204                                         OR ($r[0]['network'] === NETWORK_STATUSNET) OR ($r[0]['network'] === NETWORK_APPNET)) {
1205                                         $newname = $r[0]['nick'];
1206                                         $stat = true;
1207                                         if($r[0]['alias'])
1208                                                 $alias = $r[0]['alias'];
1209                                 }
1210                                 else
1211                                         $newname = $r[0]['name'];
1212                                 //add person's id to $inform
1213                                 if(strlen($inform))
1214                                         $inform .= ',';
1215                                 $inform .= 'cid:' . $r[0]['id'];
1216                         }
1217                 }
1218                 //if there is an url for this persons profile
1219                 if(isset($profile)) {
1220                         $replaced = true;
1221                         //create profile link
1222                         $profile = str_replace(',','%2c',$profile);
1223                         $newtag = '@[url=' . $profile . ']' . $newname  . '[/url]';
1224                         $body = str_replace('@' . $name, $newtag, $body);
1225                         //append tag to str_tags
1226                         if(! stristr($str_tags,$newtag)) {
1227                                 if(strlen($str_tags))
1228                                         $str_tags .= ',';
1229                                 $str_tags .= $newtag;
1230                         }
1231
1232                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
1233                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1234
1235                         if(strlen($alias)) {
1236                                 $newtag = '@[url=' . $alias . ']' . $newname    . '[/url]';
1237                                 if(! stristr($str_tags,$newtag)) {
1238                                         if(strlen($str_tags))
1239                                                 $str_tags .= ',';
1240                                         $str_tags .= $newtag;
1241                                 }
1242                         }
1243                 }
1244         }
1245
1246         return array('replaced' => $replaced, 'contact' => $r[0]);
1247 }
1248
1249
1250 function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item, $post_id) {
1251         // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
1252
1253         $enabled = intval(get_config('system','diaspora_enabled'));
1254         if(! $enabled) {
1255                 logger('mod_item: diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
1256                 return;
1257         }
1258
1259
1260         logger('mod_item: storing diaspora comment signature');
1261
1262         require_once('include/bb2diaspora.php');
1263         $signed_body = html_entity_decode(bb2diaspora($datarray['body']));
1264
1265         // Only works for NETWORK_DFRN
1266         $contact_baseurl_start = strpos($author['url'],'://') + 3;
1267         $contact_baseurl_length = strpos($author['url'],'/profile') - $contact_baseurl_start;
1268         $contact_baseurl = substr($author['url'], $contact_baseurl_start, $contact_baseurl_length);
1269         $diaspora_handle = $author['nick'] . '@' . $contact_baseurl;
1270
1271         $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
1272
1273         if( $uprvkey !== false )
1274                 $authorsig = base64_encode(rsa_sign($signed_text,$uprvkey,'sha256'));
1275         else
1276                 $authorsig = '';
1277
1278         q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1279                 intval($post_id),
1280                 dbesc($signed_text),
1281                 dbesc(base64_encode($authorsig)),
1282                 dbesc($diaspora_handle)
1283         );
1284
1285         return;
1286 }