mod/item.php

   1 <?php
   2
   3 /**
   4  *
   5  * This is the POST destination for most all locally posted
   6  * text stuff. This function handles status, wall-to-wall status,
   7  * local comments, and remote coments that are posted on this site
   8  * (as opposed to being delivered in a feed).
   9  * Also processed here are posts and comments coming through the
  10  * statusnet/twitter API.
  11  * All of these become an "item" which is our basic unit of
  12  * information.
  13  * Posts that originate externally or do not fall into the above
  14  * posting categories go through item_store() instead of this function.
  15  *
  16  */
  17
  18 require_once('include/crypto.php');
  19 require_once('include/enotify.php');
  20 require_once('include/email.php');
  21 require_once('include/tags.php');
  22 require_once('include/files.php');
  23 require_once('include/threads.php');
  24 require_once('include/text.php');
  25 require_once('include/items.php');
  26 require_once('include/Scrape.php');
  27
  28 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                                 $r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 141                                         dbesc(normalise_link($thrparent[0]["author-link"])));
 142                                 if (count($r)) {
 143                                         $parent_contact = $r[0];
 144                                         $parent_contact["thumb"] = $parent_contact["photo"];
 145                                         $parent_contact["micro"] = $parent_contact["photo"];
 146                                         unset($parent_contact["id"]);
 147                                 }
 148
 149                                 if (!isset($parent_contact["nick"])) {
 150                                         require_once("include/Scrape.php");
 151                                         $probed_contact = probe_url($thrparent[0]["author-link"]);
 152                                         if ($probed_contact["network"] != NETWORK_FEED) {
 153                                                 $parent_contact = $probed_contact;
 154                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 155                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 156                                                 $parent_contact["micro"] = $probed_contact["photo"];
 157                                                 $parent_contact["addr"] = $probed_contact["addr"];
 158                                         }
 159                                 }
 160                                 logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 161                         } else
 162                                 logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 163
 164                         if ($parent_contact["nick"] == "")
 165                                 $parent_contact["nick"] = $parent_contact["name"];
 166                 }
 167         }
 168
 169         if($parent) logger('mod_item: item_post parent=' . $parent);
 170
 171         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 172         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 173         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 174         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])  : '');
 175
 176         $allow_moderated = false;
 177
 178         // here is where we are going to check for permission to post a moderated comment.
 179
 180         // First check that the parent exists and it is a wall item.
 181
 182         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 183                 notice( t('Permission denied.') . EOL) ;
 184                 if(x($_REQUEST,'return'))
 185                         goaway($a->get_baseurl() . "/" . $return_path );
 186                 killme();
 187         }
 188
 189         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 190         // have been provided, and run any anti-spam plugins
 191
 192
 193
 194         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 195                 notice( t('Permission denied.') . EOL) ;
 196                 if(x($_REQUEST,'return'))
 197                         goaway($a->get_baseurl() . "/" . $return_path );
 198                 killme();
 199         }
 200
 201
 202         // is this an edited post?
 203
 204         $orig_post = null;
 205
 206         if($post_id) {
 207                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 208                         intval($profile_uid),
 209                         intval($post_id)
 210                 );
 211                 if(! count($i))
 212                         killme();
 213                 $orig_post = $i[0];
 214         }
 215
 216         $user = null;
 217
 218         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 219                 intval($profile_uid)
 220         );
 221         if(count($r))
 222                 $user = $r[0];
 223
 224         if($orig_post) {
 225                 $str_group_allow   = $orig_post['allow_gid'];
 226                 $str_contact_allow = $orig_post['allow_cid'];
 227                 $str_group_deny    = $orig_post['deny_gid'];
 228                 $str_contact_deny  = $orig_post['deny_cid'];
 229                 $location          = $orig_post['location'];
 230                 $coord             = $orig_post['coord'];
 231                 $verb              = $orig_post['verb'];
 232                 $objecttype        = $orig_post['object-type'];
 233                 $emailcc           = $orig_post['emailcc'];
 234                 $app               = $orig_post['app'];
 235                 $categories        = $orig_post['file'];
 236                 $title             = notags(trim($_REQUEST['title']));
 237                 $body              = escape_tags(trim($_REQUEST['body']));
 238                 $private           = $orig_post['private'];
 239                 $pubmail_enable    = $orig_post['pubmail'];
 240                 $network           = $orig_post['network'];
 241                 $guid              = $orig_post['guid'];
 242                 $extid             = $orig_post['extid'];
 243
 244         } else {
 245
 246                 // if coming from the API and no privacy settings are set,
 247                 // use the user default permissions - as they won't have
 248                 // been supplied via a form.
 249
 250                 if(($api_source)
 251                         && (! array_key_exists('contact_allow',$_REQUEST))
 252                         && (! array_key_exists('group_allow',$_REQUEST))
 253                         && (! array_key_exists('contact_deny',$_REQUEST))
 254                         && (! array_key_exists('group_deny',$_REQUEST))) {
 255                         $str_group_allow   = $user['allow_gid'];
 256                         $str_contact_allow = $user['allow_cid'];
 257                         $str_group_deny    = $user['deny_gid'];
 258                         $str_contact_deny  = $user['deny_cid'];
 259                 }
 260                 else {
 261
 262                         // use the posted permissions
 263
 264                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 265                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 266                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 267                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 268                 }
 269
 270                 $title             = notags(trim($_REQUEST['title']));
 271                 $location          = notags(trim($_REQUEST['location']));
 272                 $coord             = notags(trim($_REQUEST['coord']));
 273                 $verb              = notags(trim($_REQUEST['verb']));
 274                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 275                 $body              = escape_tags(trim($_REQUEST['body']));
 276                 $network           = notags(trim($_REQUEST['network']));
 277                 $guid              = get_guid(32);
 278
 279
 280                 item_add_language_opt($_REQUEST);
 281                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 282
 283
 284                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 285
 286
 287                 if($user['hidewall'])
 288                         $private = 2;
 289
 290                 // If this is a comment, set the permissions from the parent.
 291
 292                 if($parent_item) {
 293                         $private = 0;
 294
 295                         // for non native networks use the network of the original post as network of the item
 296                         if (($parent_item['network'] != NETWORK_DIASPORA)
 297                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 298                                 AND ($network == ""))
 299                                 $network = $parent_item['network'];
 300
 301                         if(($parent_item['private'])
 302                                 || strlen($parent_item['allow_cid'])
 303                                 || strlen($parent_item['allow_gid'])
 304                                 || strlen($parent_item['deny_cid'])
 305                                 || strlen($parent_item['deny_gid'])) {
 306                                 $private = (($parent_item['private']) ? $parent_item['private'] : 1);
 307                         }
 308
 309                         $str_contact_allow = $parent_item['allow_cid'];
 310                         $str_group_allow   = $parent_item['allow_gid'];
 311                         $str_contact_deny  = $parent_item['deny_cid'];
 312                         $str_group_deny    = $parent_item['deny_gid'];
 313                 }
 314                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 315
 316                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 317
 318                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 319                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 320                         if(! $mail_disabled) {
 321                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 322                                         intval(local_user())
 323                                 );
 324                                 if(count($r) && intval($r[0]['pubmail']))
 325                                         $pubmail_enabled = true;
 326                         }
 327                 }
 328
 329                 if(! strlen($body)) {
 330                         if($preview)
 331                                 killme();
 332                         info( t('Empty post discarded.') . EOL );
 333                         if(x($_REQUEST,'return'))
 334                                 goaway($a->get_baseurl() . "/" . $return_path );
 335                         killme();
 336                 }
 337         }
 338
 339         if(strlen($categories)) {
 340                 // get the "fileas" tags for this post
 341                 $filedas = file_tag_file_to_list($categories, 'file');
 342         }
 343         // save old and new categories, so we can determine what needs to be deleted from pconfig
 344         $categories_old = $categories;
 345         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 346         $categories_new = $categories;
 347         if(strlen($filedas)) {
 348                 // append the fileas stuff to the new categories list
 349                 $categories .= file_tag_list_to_file($filedas, 'file');
 350         }
 351
 352         // Work around doubled linefeeds in Tinymce 3.5b2
 353         // First figure out if it's a status post that would've been
 354         // created using tinymce. Otherwise leave it alone.
 355
 356 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 357         if((! $parent) && (! $api_source) && (! $plaintext)) {
 358                 $body = fix_mce_lf($body);
 359         }*/
 360         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 361         if((! $parent) && (! $api_source) && (! $plaintext)) {
 362                 $body = fix_mce_lf($body);
 363         }
 364
 365
 366         // get contact info for poster
 367
 368         $author = null;
 369         $self   = false;
 370         $contact_id = 0;
 371
 372         if((local_user()) && (local_user() == $profile_uid)) {
 373                 $self = true;
 374                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 375                         intval($_SESSION['uid']));
 376         }
 377         elseif(remote_user()) {
 378                 if(is_array($_SESSION['remote'])) {
 379                         foreach($_SESSION['remote'] as $v) {
 380                                 if($v['uid'] == $profile_uid) {
 381                                         $contact_id = $v['cid'];
 382                                         break;
 383                                 }
 384                         }
 385                 }
 386                 if($contact_id) {
 387                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 388                                 intval($contact_id)
 389                         );
 390                 }
 391         }
 392
 393         if(count($r)) {
 394                 $author = $r[0];
 395                 $contact_id = $author['id'];
 396         }
 397
 398         // get contact info for owner
 399
 400         if($profile_uid == local_user()) {
 401                 $contact_record = $author;
 402         }
 403         else {
 404                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 405                         intval($profile_uid)
 406                 );
 407                 if(count($r))
 408                         $contact_record = $r[0];
 409         }
 410
 411         $post_type = notags(trim($_REQUEST['type']));
 412
 413         if($post_type === 'net-comment') {
 414                 if($parent_item !== null) {
 415                         if($parent_item['wall'] == 1)
 416                                 $post_type = 'wall-comment';
 417                         else
 418                                 $post_type = 'remote-comment';
 419                 }
 420         }
 421
 422         /**
 423          *
 424          * When a photo was uploaded into the message using the (profile wall) ajax
 425          * uploader, The permissions are initially set to disallow anybody but the
 426          * owner from seeing it. This is because the permissions may not yet have been
 427          * set for the post. If it's private, the photo permissions should be set
 428          * appropriately. But we didn't know the final permissions on the post until
 429          * now. So now we'll look for links of uploaded messages that are in the
 430          * post and set them to the same permissions as the post itself.
 431          *
 432          */
 433
 434         $match = null;
 435
 436         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 437                 $images = $match[2];
 438                 if(count($images)) {
 439
 440                         $objecttype = ACTIVITY_OBJ_IMAGE;
 441
 442                         foreach($images as $image) {
 443                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 444                                         continue;
 445                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 446                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 447                                 if(! strlen($image_uri))
 448                                         continue;
 449                                 $srch = '<' . intval($contact_id) . '>';
 450
 451                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 452                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 453                                         dbesc($srch),
 454                                         dbesc($image_uri),
 455                                         intval($profile_uid)
 456                                 );
 457
 458                                 if(! count($r))
 459                                         continue;
 460
 461
 462                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 463                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 464                                         dbesc($str_contact_allow),
 465                                         dbesc($str_group_allow),
 466                                         dbesc($str_contact_deny),
 467                                         dbesc($str_group_deny),
 468                                         dbesc($image_uri),
 469                                         intval($profile_uid),
 470                                         dbesc( t('Wall Photos'))
 471                                 );
 472
 473                         }
 474                 }
 475         }
 476
 477
 478         /**
 479          * Next link in any attachment references we find in the post.
 480          */
 481
 482         $match = false;
 483
 484         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 485                 $attaches = $match[1];
 486                 if(count($attaches)) {
 487                         foreach($attaches as $attach) {
 488                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 489                                         intval($profile_uid),
 490                                         intval($attach)
 491                                 );
 492                                 if(count($r)) {
 493                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 494                                                 WHERE `uid` = %d AND `id` = %d",
 495                                                 dbesc($str_contact_allow),
 496                                                 dbesc($str_group_allow),
 497                                                 dbesc($str_contact_deny),
 498                                                 dbesc($str_group_deny),
 499                                                 intval($profile_uid),
 500                                                 intval($attach)
 501                                         );
 502                                 }
 503                         }
 504                 }
 505         }
 506
 507         // embedded bookmark in post? set bookmark flag
 508
 509         $bookmark = 0;
 510         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 511                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 512                 $bookmark = 1;
 513         }
 514
 515         $body = bb_translate_video($body);
 516
 517
 518         /**
 519          * Fold multi-line [code] sequences
 520          */
 521
 522         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 523
 524         $body = scale_external_images($body,false);
 525
 526
 527         // Setting the object type if not defined before
 528         if (!$objecttype) {
 529                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 530                 require_once("include/plaintext.php");
 531                 $objectdata = get_attached_data($body);
 532
 533                 if ($post["type"] == "link")
 534                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 535                 elseif ($post["type"] == "video")
 536                         $objecttype = ACTIVITY_OBJ_VIDEO;
 537                 elseif ($post["type"] == "photo")
 538                         $objecttype = ACTIVITY_OBJ_IMAGE;
 539
 540         }
 541
 542         /**
 543          * Look for any tags and linkify them
 544          */
 545
 546         $str_tags = '';
 547         $inform   = '';
 548
 549
 550         $tags = get_tags($body);
 551
 552         /**
 553          * add a statusnet style reply tag if the original post was from there
 554          * and we are replying, and there isn't one already
 555          */
 556
 557         if($parent AND ($parent_contact['network'] === NETWORK_OSTATUS)) {
 558                 if ($parent_contact['id'] != "")
 559                         $contact = '@'.$parent_contact['nick'].'+'.$parent_contact['id'];
 560                 else
 561                         $contact = '@[url='.$parent_contact['url'].']'.$parent_contact['nick'].'[/url]';
 562
 563                 if (!in_array($contact,$tags)) {
 564                         $body = $contact.' '.$body;
 565                         $tags[] = $contact;
 566                 }
 567
 568                 $toplevel_contact = "";
 569                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 570                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 571                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 572                 if ($toplevel_parent)
 573                         $toplevel_contact = '@'.$toplevel_parent[0]['nick'].'+'.$toplevel_parent[0]['id'];
 574                 else {
 575                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 576                         $toplevel_contact = '@[url='.$toplevel_parent[0]['author-link'].']'.$toplevel_parent[0]['author-name'].'[/url]';
 577                 }
 578
 579                 if (!in_array($toplevel_contact,$tags))
 580                         $tags[] = $toplevel_contact;
 581         }
 582
 583         $tagged = array();
 584
 585         $private_forum = false;
 586
 587         if(count($tags)) {
 588                 foreach($tags as $tag) {
 589
 590                         if(strpos($tag,'#') === 0)
 591                                 continue;
 592
 593                         // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 594                         // Robert Johnson should be first in the $tags array
 595
 596                         $fullnametagged = false;
 597                         for($x = 0; $x < count($tagged); $x ++) {
 598                                 if(stristr($tagged[$x],$tag . ' ')) {
 599                                         $fullnametagged = true;
 600                                         break;
 601                                 }
 602                         }
 603                         if($fullnametagged)
 604                                 continue;
 605
 606                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 607                         if($success['replaced'])
 608                                 $tagged[] = $tag;
 609                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 610                                 $private_forum = true;
 611                                 $private_id = $success['contact']['id'];
 612                         }
 613                 }
 614         }
 615
 616         if(($private_forum) && (! $parent) && (! $private)) {
 617                 // we tagged a private forum in a top level post and the message was public.
 618                 // Restrict it.
 619                 $private = 1;
 620                 $str_contact_allow = '<' . $private_id . '>';
 621         }
 622
 623         $attachments = '';
 624         $match = false;
 625
 626         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 627                 foreach($match[2] as $mtch) {
 628                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 629                                 intval($profile_uid),
 630                                 intval($mtch)
 631                         );
 632                         if(count($r)) {
 633                                 if(strlen($attachments))
 634                                         $attachments .= ',';
 635                                 $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]';
 636                         }
 637                         $body = str_replace($match[1],'',$body);
 638                 }
 639         }
 640
 641         $wall = 0;
 642
 643         if($post_type === 'wall' || $post_type === 'wall-comment')
 644                 $wall = 1;
 645
 646         if(! strlen($verb))
 647                 $verb = ACTIVITY_POST ;
 648
 649         if ($network == "")
 650                 $network = NETWORK_DFRN;
 651
 652         $gravity = (($parent) ? 6 : 0 );
 653
 654         // even if the post arrived via API we are considering that it
 655         // originated on this site by default for determining relayability.
 656
 657         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 658
 659         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 660
 661         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 662
 663         // Fallback so that we alway have a thr-parent
 664         if(!$thr_parent)
 665                 $thr_parent = $uri;
 666
 667         $datarray = array();
 668         $datarray['uid']           = $profile_uid;
 669         $datarray['type']          = $post_type;
 670         $datarray['wall']          = $wall;
 671         $datarray['gravity']       = $gravity;
 672         $datarray['network']       = $network;
 673         $datarray['contact-id']    = $contact_id;
 674         $datarray['owner-name']    = $contact_record['name'];
 675         $datarray['owner-link']    = $contact_record['url'];
 676         $datarray['owner-avatar']  = $contact_record['thumb'];
 677         $datarray['author-name']   = $author['name'];
 678         $datarray['author-link']   = $author['url'];
 679         $datarray['author-avatar'] = $author['thumb'];
 680         $datarray['created']       = datetime_convert();
 681         $datarray['edited']        = datetime_convert();
 682         $datarray['commented']     = datetime_convert();
 683         $datarray['received']      = datetime_convert();
 684         $datarray['changed']       = datetime_convert();
 685         $datarray['extid']         = $extid;
 686         $datarray['guid']          = $guid;
 687         $datarray['uri']           = $uri;
 688         $datarray['title']         = $title;
 689         $datarray['body']          = $body;
 690         $datarray['app']           = $app;
 691         $datarray['location']      = $location;
 692         $datarray['coord']         = $coord;
 693         $datarray['tag']           = $str_tags;
 694         $datarray['file']          = $categories;
 695         $datarray['inform']        = $inform;
 696         $datarray['verb']          = $verb;
 697         $datarray['object-type']   = $objecttype;
 698         $datarray['allow_cid']     = $str_contact_allow;
 699         $datarray['allow_gid']     = $str_group_allow;
 700         $datarray['deny_cid']      = $str_contact_deny;
 701         $datarray['deny_gid']      = $str_group_deny;
 702         $datarray['private']       = $private;
 703         $datarray['pubmail']       = $pubmail_enable;
 704         $datarray['attach']        = $attachments;
 705         $datarray['bookmark']      = intval($bookmark);
 706         $datarray['thr-parent']    = $thr_parent;
 707         $datarray['postopts']      = $postopts;
 708         $datarray['origin']        = $origin;
 709         $datarray['moderated']     = $allow_moderated;
 710         $datarray['gcontact-id']   = get_gcontact_id(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 711                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 712         /**
 713          * These fields are for the convenience of plugins...
 714          * 'self' if true indicates the owner is posting on their own wall
 715          * If parent is 0 it is a top-level post.
 716          */
 717
 718         $datarray['parent']        = $parent;
 719         $datarray['self']          = $self;
 720 //      $datarray['prvnets']       = $user['prvnets'];
 721
 722         if($orig_post)
 723                 $datarray['edit']      = true;
 724
 725         // Search for hashtags
 726         item_body_set_hashtags($datarray);
 727
 728         // preview mode - prepare the body for display and send it via json
 729
 730         if($preview) {
 731                 require_once('include/conversation.php');
 732                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 733                 logger('preview: ' . $o);
 734                 echo json_encode(array('preview' => $o));
 735                 killme();
 736         }
 737
 738
 739         call_hooks('post_local',$datarray);
 740
 741         if(x($datarray,'cancel')) {
 742                 logger('mod_item: post cancelled by plugin.');
 743                 if($return_path) {
 744                         goaway($a->get_baseurl() . "/" . $return_path);
 745                 }
 746
 747                 $json = array('cancel' => 1);
 748                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 749                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 750
 751                 echo json_encode($json);
 752                 killme();
 753         }
 754
 755         // Fill the cache field
 756         put_item_in_cache($datarray);
 757
 758         if($orig_post) {
 759                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 760                         dbesc($datarray['title']),
 761                         dbesc($datarray['body']),
 762                         dbesc($datarray['tag']),
 763                         dbesc($datarray['attach']),
 764                         dbesc($datarray['file']),
 765                         dbesc($datarray['rendered-html']),
 766                         dbesc($datarray['rendered-hash']),
 767                         dbesc(datetime_convert()),
 768                         dbesc(datetime_convert()),
 769                         intval($post_id),
 770                         intval($profile_uid)
 771                 );
 772
 773                 create_tags_from_item($post_id);
 774                 create_files_from_item($post_id);
 775                 update_thread($post_id);
 776
 777                 // update filetags in pconfig
 778                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 779
 780                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 781                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 782                         logger('return: ' . $return_path);
 783                         goaway($a->get_baseurl() . "/" . $return_path );
 784                 }
 785                 killme();
 786         }
 787         else
 788                 $post_id = 0;
 789
 790
 791         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,
 792                 `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,
 793                 `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)
 794                 VALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')",
 795                 dbesc($datarray['guid']),
 796                 dbesc($datarray['extid']),
 797                 intval($datarray['uid']),
 798                 dbesc($datarray['type']),
 799                 intval($datarray['wall']),
 800                 intval($datarray['gravity']),
 801                 dbesc($datarray['network']),
 802                 intval($datarray['contact-id']),
 803                 dbesc($datarray['owner-name']),
 804                 dbesc($datarray['owner-link']),
 805                 dbesc($datarray['owner-avatar']),
 806                 dbesc($datarray['author-name']),
 807                 dbesc($datarray['author-link']),
 808                 dbesc($datarray['author-avatar']),
 809                 dbesc($datarray['created']),
 810                 dbesc($datarray['edited']),
 811                 dbesc($datarray['commented']),
 812                 dbesc($datarray['received']),
 813                 dbesc($datarray['changed']),
 814                 dbesc($datarray['uri']),
 815                 dbesc($datarray['thr-parent']),
 816                 dbesc($datarray['title']),
 817                 dbesc($datarray['body']),
 818                 dbesc($datarray['app']),
 819                 dbesc($datarray['location']),
 820                 dbesc($datarray['coord']),
 821                 dbesc($datarray['tag']),
 822                 dbesc($datarray['inform']),
 823                 dbesc($datarray['verb']),
 824                 dbesc($datarray['object-type']),
 825                 dbesc($datarray['postopts']),
 826                 dbesc($datarray['allow_cid']),
 827                 dbesc($datarray['allow_gid']),
 828                 dbesc($datarray['deny_cid']),
 829                 dbesc($datarray['deny_gid']),
 830                 intval($datarray['private']),
 831                 intval($datarray['pubmail']),
 832                 dbesc($datarray['attach']),
 833                 intval($datarray['bookmark']),
 834                 intval($datarray['origin']),
 835                 intval($datarray['moderated']),
 836                 dbesc($datarray['file']),
 837                 dbesc($datarray['rendered-html']),
 838                 dbesc($datarray['rendered-hash'])
 839                );
 840
 841         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 842                 dbesc($datarray['uri']));
 843         if(!count($r)) {
 844                 logger('mod_item: unable to retrieve post that was just stored.');
 845                 notice( t('System error. Post not saved.') . EOL);
 846                 goaway($a->get_baseurl() . "/" . $return_path );
 847                 // NOTREACHED
 848         }
 849
 850         $post_id = $r[0]['id'];
 851         logger('mod_item: saved item ' . $post_id);
 852
 853         $datarray["id"] = $post_id;
 854         $datarray["plink"] = $a->get_baseurl().'/display/'.urlencode($datarray["guid"]);
 855
 856         // update filetags in pconfig
 857         file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 858
 859         if($parent) {
 860
 861                 // This item is the last leaf and gets the comment box, clear any ancestors
 862                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 863                         dbesc(datetime_convert()),
 864                         intval($parent)
 865                 );
 866                 update_thread($parent, true);
 867
 868                 // Inherit ACLs from the parent item.
 869
 870                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 871                         WHERE `id` = %d",
 872                         dbesc($parent_item['allow_cid']),
 873                         dbesc($parent_item['allow_gid']),
 874                         dbesc($parent_item['deny_cid']),
 875                         dbesc($parent_item['deny_gid']),
 876                         intval($parent_item['private']),
 877                         intval($post_id)
 878                 );
 879
 880                 if($contact_record != $author) {
 881                         notification(array(
 882                                 'type'         => NOTIFY_COMMENT,
 883                                 'notify_flags' => $user['notify-flags'],
 884                                 'language'     => $user['language'],
 885                                 'to_name'      => $user['username'],
 886                                 'to_email'     => $user['email'],
 887                                 'uid'          => $user['uid'],
 888                                 'item'         => $datarray,
 889                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 890                                 'source_name'  => $datarray['author-name'],
 891                                 'source_link'  => $datarray['author-link'],
 892                                 'source_photo' => $datarray['author-avatar'],
 893                                 'verb'         => ACTIVITY_POST,
 894                                 'otype'        => 'item',
 895                                 'parent'       => $parent,
 896                                 'parent_uri'   => $parent_item['uri']
 897                         ));
 898
 899                 }
 900
 901
 902                 // Store the comment signature information in case we need to relay to Diaspora
 903                 store_diaspora_comment_sig($datarray, $author, ($self ? $user['prvkey'] : false), $parent_item, $post_id);
 904
 905         } else {
 906                 $parent = $post_id;
 907
 908                 if($contact_record != $author) {
 909                         notification(array(
 910                                 'type'         => NOTIFY_WALL,
 911                                 'notify_flags' => $user['notify-flags'],
 912                                 'language'     => $user['language'],
 913                                 'to_name'      => $user['username'],
 914                                 'to_email'     => $user['email'],
 915                                 'uid'          => $user['uid'],
 916                                 'item'         => $datarray,
 917                                 'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 918                                 'source_name'  => $datarray['author-name'],
 919                                 'source_link'  => $datarray['author-link'],
 920                                 'source_photo' => $datarray['author-avatar'],
 921                                 'verb'         => ACTIVITY_POST,
 922                                 'otype'        => 'item'
 923                         ));
 924                 }
 925         }
 926
 927         // fallback so that parent always gets set to non-zero.
 928
 929         if(! $parent)
 930                 $parent = $post_id;
 931
 932         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 933                 WHERE `id` = %d",
 934                 intval($parent),
 935                 dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 936                 dbesc($a->get_baseurl().'/display/'.urlencode($datarray['guid'])),
 937                 dbesc(datetime_convert()),
 938                 intval($post_id)
 939         );
 940
 941         // photo comments turn the corresponding item visible to the profile wall
 942         // This way we don't see every picture in your new photo album posted to your wall at once.
 943         // They will show up as people comment on them.
 944
 945         if(! $parent_item['visible']) {
 946                 $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d",
 947                         intval($parent_item['id'])
 948                 );
 949                 update_thread($parent_item['id']);
 950         }
 951
 952         // update the commented timestamp on the parent
 953
 954         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 955                 dbesc(datetime_convert()),
 956                 dbesc(datetime_convert()),
 957                 intval($parent)
 958         );
 959         if ($post_id != $parent)
 960                 update_thread($parent);
 961
 962         call_hooks('post_local_end', $datarray);
 963
 964         if(strlen($emailcc) && $profile_uid == local_user()) {
 965                 $erecips = explode(',', $emailcc);
 966                 if(count($erecips)) {
 967                         foreach($erecips as $recip) {
 968                                 $addr = trim($recip);
 969                                 if(! strlen($addr))
 970                                         continue;
 971                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 972                                         . '<br />';
 973                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 974                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 975                                 if (!$datarray['title']=='') {
 976                                     $subject = email_header_encode($datarray['title'],'UTF-8');
 977                                 } else {
 978                                     $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
 979                                 }
 980                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 981                                 $html    = prepare_body($datarray);
 982                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 983                                 include_once('include/html2plain.php');
 984                                 $params = array (
 985                                     'fromName' => $a->user['username'],
 986                                     'fromEmail' => $a->user['email'],
 987                                     'toEmail' => $addr,
 988                                     'replyTo' => $a->user['email'],
 989                                     'messageSubject' => $subject,
 990                                     'htmlVersion' => $message,
 991                                     'textVersion' => html2plain($html.$disclaimer),
 992                                 );
 993                                 Emailer::send($params);
 994                         }
 995                 }
 996         }
 997
 998         create_tags_from_item($post_id);
 999         create_files_from_item($post_id);
1000
1001         if ($post_id == $parent)
1002                 add_thread($post_id);
1003
1004         // This is a real juggling act on shared hosting services which kill your processes
1005         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
1006         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
1007         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
1008         // likely to get killed off. If you end up looking at an /item URL and a blank page,
1009         // it's very likely the delivery got killed before all your friends could be notified.
1010         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
1011         // or cut back on plugins which do remote deliveries.
1012
1013         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
1014
1015         logger('post_complete');
1016
1017         item_post_return($a->get_baseurl(), $api_source, $return_path);
1018         // NOTREACHED
1019 }
1020
1021 function item_post_return($baseurl, $api_source, $return_path) {
1022         // figure out how to return, depending on from whence we came
1023
1024         if($api_source)
1025                 return;
1026
1027         if($return_path) {
1028                 goaway($baseurl . "/" . $return_path);
1029         }
1030
1031         $json = array('success' => 1);
1032         if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
1033                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1034
1035         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1036
1037         echo json_encode($json);
1038         killme();
1039 }
1040
1041
1042
1043 function item_content(&$a) {
1044
1045         if((! local_user()) && (! remote_user()))
1046                 return;
1047
1048         require_once('include/security.php');
1049
1050         $o = '';
1051         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1052                 $o = drop_item($a->argv[2], !is_ajax());
1053                 if (is_ajax()){
1054                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1055                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1056                         killme();
1057                 }
1058         }
1059         return $o;
1060 }
1061
1062 /**
1063  * This function removes the tag $tag from the text $body and replaces it with
1064  * the appropiate link.
1065  *
1066  * @param unknown_type $body the text to replace the tag in
1067  * @param unknown_type $inform a comma-seperated string containing everybody to inform
1068  * @param unknown_type $str_tags string to add the tag to
1069  * @param unknown_type $profile_uid
1070  * @param unknown_type $tag the tag to replace
1071  *
1072  * @return boolean true if replaced, false if not replaced
1073  */
1074 function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1075         require_once("include/Scrape.php");
1076         require_once("include/socgraph.php");
1077
1078         $replaced = false;
1079         $r = null;
1080
1081         //is it a person tag?
1082         if(strpos($tag,'@') === 0) {
1083                 //is it already replaced?
1084                 if(strpos($tag,'[url=')) {
1085                         //append tag to str_tags
1086                         if(!stristr($str_tags,$tag)) {
1087                                 if(strlen($str_tags))
1088                                         $str_tags .= ',';
1089                                 $str_tags .= $tag;
1090                         }
1091
1092                         // Checking for the alias that is used for OStatus
1093                         $pattern = "/@\[url\=(.*?)\](.*?)\[\/url\]/ism";
1094                         if (preg_match($pattern, $tag, $matches)) {
1095                                 $data = probe_url($matches[1]);
1096                                 if ($data["alias"] != "") {
1097                                         $newtag = '@[url='.$data["alias"].']'.$data["name"].'[/url]';
1098                                         if(!stristr($str_tags,$newtag)) {
1099                                                 if(strlen($str_tags))
1100                                                         $str_tags .= ',';
1101                                                 $str_tags .= $newtag;
1102                                         }
1103                                 }
1104                         }
1105
1106                         return $replaced;
1107                 }
1108                 $stat = false;
1109                 //get the person's name
1110                 $name = substr($tag,1);
1111
1112                 // Sometimes the tag detection doesn't seem to work right
1113                 // This is some workaround
1114                 $nameparts = explode(" ", $name);
1115                 $name = $nameparts[0];
1116
1117                 // Try to detect the contact in various ways
1118                 if ((strpos($name,'@')) || (strpos($name,'http://'))) {
1119                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1120
1121                         // First check the contact table for the address
1122                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `contact` WHERE `addr` = '%s' AND `uid` = %d LIMIT 1",
1123                                         dbesc($name),
1124                                         intval($profile_uid)
1125                         );
1126
1127                         // Then check in the contact table for the url
1128                         if (!$r)
1129                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `notify`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
1130                                                 dbesc(normalise_link($name)),
1131                                                 intval($profile_uid)
1132                                 );
1133
1134                         // Then check in the global contacts for the address
1135                         if (!$r)
1136                                 $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `addr` = '%s' LIMIT 1", dbesc($name));
1137
1138                         // Then check in the global contacts for the url
1139                         if (!$r)
1140                                 $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1", dbesc(normalise_link($name)));
1141
1142                         // If the data isn't complete then refetch the data
1143                         if ($r AND ($r[0]["network"] == NETWORK_OSTATUS) AND (($r[0]["notify"] == "") OR ($r[0]["alias"] == "")))
1144                                 $r = false;
1145
1146                         if (!$r) {
1147                                 $probed = probe_url($name);
1148                                 if (isset($probed["url"])) {
1149                                         update_gcontact($probed);
1150                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1151                                                 dbesc(normalise_link($probed["url"])));
1152                                 }
1153                         }
1154                 } else {
1155                         $r = false;
1156                         if (strrpos($name,'+')) {
1157                                 // Is it in format @nick+number?
1158                                 $tagcid = intval(substr($name,strrpos($name,'+') + 1));
1159
1160                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1161                                                 intval($tagcid),
1162                                                 intval($profile_uid)
1163                                 );
1164                         }
1165
1166                         //select someone by attag or nick and the name passed in the current network
1167                         if(!$r AND ($network != ""))
1168                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1169                                                 dbesc($name),
1170                                                 dbesc($name),
1171                                                 dbesc($network),
1172                                                 intval($profile_uid)
1173                                 );
1174
1175                         //select someone from this user's contacts by name in the current network
1176                         if (!$r AND ($network != ""))
1177                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1178                                                 dbesc($newname),
1179                                                 dbesc($network),
1180                                                 intval($profile_uid)
1181                                 );
1182
1183                         //select someone by attag or nick and the name passed in
1184                         if(!$r)
1185                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1186                                                 dbesc($name),
1187                                                 dbesc($name),
1188                                                 intval($profile_uid)
1189                                 );
1190
1191
1192                         //select someone from this user's contacts by name
1193                         if(!$r)
1194                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1195                                                 dbesc($newname),
1196                                                 intval($profile_uid)
1197                                 );
1198                 }
1199
1200                 if ($r) {
1201                         if(strlen($inform) AND (isset($r[0]["notify"]) OR isset($r[0]["id"])))
1202                                 $inform .= ',';
1203
1204                         if (isset($r[0]["id"]))
1205                                 $inform .= 'cid:' . $r[0]["id"];
1206                         elseif (isset($r[0]["notify"]))
1207                                 $inform  .= $r[0]["notify"];
1208
1209                         $profile = $r[0]["url"];
1210                         $alias   = $r[0]["alias"];
1211                         $newname = $r[0]["nick"];
1212                         if (($newname == "") OR (($r[0]["network"] != NETWORK_OSTATUS) AND ($r[0]["network"] != NETWORK_TWITTER)
1213                                 AND ($r[0]["network"] != NETWORK_STATUSNET) AND ($r[0]["network"] != NETWORK_APPNET)))
1214                                 $newname = $r[0]["name"];
1215                 }
1216
1217                 //if there is an url for this persons profile
1218                 if(isset($profile)) {
1219
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                 $authorsig = rsa_sign($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 }