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