mod/item.php

   1 <?php
   2
   3 /**
   4  *
   5  * This is the POST destination for most all locally posted
   6  * text stuff. This function handles status, wall-to-wall status,
   7  * local comments, and remote coments that are posted on this site
   8  * (as opposed to being delivered in a feed).
   9  * Also processed here are posts and comments coming through the
  10  * statusnet/twitter API.
  11  * All of these become an "item" which is our basic unit of
  12  * information.
  13  * Posts that originate externally or do not fall into the above
  14  * posting categories go through item_store() instead of this function.
  15  *
  16  */
  17
  18 require_once('include/crypto.php');
  19 require_once('include/enotify.php');
  20 require_once('include/email.php');
  21 require_once('library/langdet/Text/LanguageDetect.php');
  22 require_once('include/tags.php');
  23 require_once('include/files.php');
  24 require_once('include/threads.php');
  25
  26 function item_post(&$a) {
  27
  28         if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
  29                 return;
  30
  31         require_once('include/security.php');
  32
  33         $uid = local_user();
  34
  35         if(x($_REQUEST,'dropitems')) {
  36                 require_once('include/items.php');
  37                 $arr_drop = explode(',',$_REQUEST['dropitems']);
  38                 drop_items($arr_drop);
  39                 $json = array('success' => 1);
  40                 echo json_encode($json);
  41                 killme();
  42         }
  43
  44         call_hooks('post_local_start', $_REQUEST);
  45 //      logger('postinput ' . file_get_contents('php://input'));
  46         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  47
  48         $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
  49
  50         $message_id = ((x($_REQUEST,'message_id') && $api_source)  ? strip_tags($_REQUEST['message_id'])       : '');
  51
  52         $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
  53         $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
  54
  55
  56         // Check for doubly-submitted posts, and reject duplicates
  57         // Note that we have to ignore previews, otherwise nothing will post
  58         // after it's been previewed
  59         if(!$preview && x($_REQUEST['post_id_random'])) {
  60                 if(x($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  61                         logger("item post: duplicate post", LOGGER_DEBUG);
  62                         item_post_return($a->get_baseurl(), $api_source, $return_path);
  63                 }
  64                 else
  65                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  66         }
  67
  68         /**
  69          * Is this a reply to something?
  70          */
  71
  72         $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
  73         $parent_uri = ((x($_REQUEST,'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  74
  75         $parent_item = null;
  76         $parent_contact = null;
  77         $thr_parent = '';
  78         $parid = 0;
  79         $r = false;
  80         $objecttype = null;
  81
  82         if($parent || $parent_uri) {
  83
  84                 $objecttype = ACTIVITY_OBJ_COMMENT;
  85
  86                 if(! x($_REQUEST,'type'))
  87                         $_REQUEST['type'] = 'net-comment';
  88
  89                 if($parent) {
  90                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  91                                 intval($parent)
  92                         );
  93                 } elseif($parent_uri && local_user()) {
  94                         // This is coming from an API source, and we are logged in
  95                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  96                                 dbesc($parent_uri),
  97                                 intval(local_user())
  98                         );
  99                 }
 100
 101                 // if this isn't the real parent of the conversation, find it
 102                 if($r !== false && count($r)) {
 103                         $parid = $r[0]['parent'];
 104                         $parent_uri = $r[0]['uri'];
 105                         if($r[0]['id'] != $r[0]['parent']) {
 106                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 107                                         intval($parid)
 108                                 );
 109                         }
 110                 }
 111
 112                 if(($r === false) || (! count($r))) {
 113                         notice( t('Unable to locate original post.') . EOL);
 114                         if(x($_REQUEST,'return'))
 115                                 goaway($a->get_baseurl() . "/" . $return_path );
 116                         killme();
 117                 }
 118                 $parent_item = $r[0];
 119                 $parent = $r[0]['id'];
 120
 121                 // multi-level threading - preserve the info but re-parent to our single level threading
 122                 //if(($parid) && ($parid != $parent))
 123                 $thr_parent = $parent_uri;
 124
 125                 if($parent_item['contact-id'] && $uid) {
 126                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 127                                 intval($parent_item['contact-id']),
 128                                 intval($uid)
 129                         );
 130                         if(count($r)) {
 131                                 $parent_contact = $r[0];
 132
 133                                 // If the contact id doesn't fit with the contact, then set the contact to null
 134                                 $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 135                                 if (count($thrparent) AND ($thrparent[0]["network"] === NETWORK_OSTATUS)
 136                                         AND (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 137                                         $parent_contact = null;
 138
 139                                         require_once("include/Scrape.php");
 140                                         $probed_contact = probe_url($thrparent[0]["author-link"]);
 141                                         if ($probed_contact["network"] != NETWORK_FEED) {
 142                                                 $parent_contact = $probed_contact;
 143                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 144                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 145                                                 $parent_contact["micro"] = $probed_contact["photo"];
 146                                         }
 147                                         logger('parent contact: '.print_r($parent_contact, true), LOGGER_DEBUG);
 148                                 } else
 149                                         logger('no contact found: '.print_r($thrparent, true), LOGGER_DEBUG);
 150                         }
 151                 }
 152         }
 153
 154         if($parent) logger('mod_item: item_post parent=' . $parent);
 155
 156         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 157         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 158         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 159         $extid       = ((x($_REQUEST,'extid'))       ? strip_tags($_REQUEST['extid'])  : '');
 160
 161         $allow_moderated = false;
 162
 163         // here is where we are going to check for permission to post a moderated comment.
 164
 165         // First check that the parent exists and it is a wall item.
 166
 167         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 168                 notice( t('Permission denied.') . EOL) ;
 169                 if(x($_REQUEST,'return'))
 170                         goaway($a->get_baseurl() . "/" . $return_path );
 171                 killme();
 172         }
 173
 174         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 175         // have been provided, and run any anti-spam plugins
 176
 177
 178         // TODO
 179
 180
 181
 182
 183         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 184                 notice( t('Permission denied.') . EOL) ;
 185                 if(x($_REQUEST,'return'))
 186                         goaway($a->get_baseurl() . "/" . $return_path );
 187                 killme();
 188         }
 189
 190
 191         // is this an edited post?
 192
 193         $orig_post = null;
 194
 195         if($post_id) {
 196                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 197                         intval($profile_uid),
 198                         intval($post_id)
 199                 );
 200                 if(! count($i))
 201                         killme();
 202                 $orig_post = $i[0];
 203         }
 204
 205         $user = null;
 206
 207         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 208                 intval($profile_uid)
 209         );
 210         if(count($r))
 211                 $user = $r[0];
 212
 213         if($orig_post) {
 214                 $str_group_allow   = $orig_post['allow_gid'];
 215                 $str_contact_allow = $orig_post['allow_cid'];
 216                 $str_group_deny    = $orig_post['deny_gid'];
 217                 $str_contact_deny  = $orig_post['deny_cid'];
 218                 $location          = $orig_post['location'];
 219                 $coord             = $orig_post['coord'];
 220                 $verb              = $orig_post['verb'];
 221                 $objecttype        = $orig_post['object-type'];
 222                 $emailcc           = $orig_post['emailcc'];
 223                 $app               = $orig_post['app'];
 224                 $categories        = $orig_post['file'];
 225                 $title             = notags(trim($_REQUEST['title']));
 226                 $body              = escape_tags(trim($_REQUEST['body']));
 227                 $private           = $orig_post['private'];
 228                 $pubmail_enable    = $orig_post['pubmail'];
 229                 $network           = $orig_post['network'];
 230                 $guid              = $orig_post['guid'];
 231                 $extid             = $orig_post['extid'];
 232
 233         } else {
 234
 235                 // if coming from the API and no privacy settings are set,
 236                 // use the user default permissions - as they won't have
 237                 // been supplied via a form.
 238
 239                 if(($api_source)
 240                         && (! array_key_exists('contact_allow',$_REQUEST))
 241                         && (! array_key_exists('group_allow',$_REQUEST))
 242                         && (! array_key_exists('contact_deny',$_REQUEST))
 243                         && (! array_key_exists('group_deny',$_REQUEST))) {
 244                         $str_group_allow   = $user['allow_gid'];
 245                         $str_contact_allow = $user['allow_cid'];
 246                         $str_group_deny    = $user['deny_gid'];
 247                         $str_contact_deny  = $user['deny_cid'];
 248                 }
 249                 else {
 250
 251                         // use the posted permissions
 252
 253                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 254                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 255                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 256                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 257                 }
 258
 259                 $title             = notags(trim($_REQUEST['title']));
 260                 $location          = notags(trim($_REQUEST['location']));
 261                 $coord             = notags(trim($_REQUEST['coord']));
 262                 $verb              = notags(trim($_REQUEST['verb']));
 263                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 264                 $body              = escape_tags(trim($_REQUEST['body']));
 265                 $network           = notags(trim($_REQUEST['network']));
 266                 $guid              = get_guid(32);
 267
 268
 269                 $naked_body = preg_replace('/\[(.+?)\]/','',$body);
 270
 271                 if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
 272                         $l = new Text_LanguageDetect;
 273                         //$lng = $l->detectConfidence($naked_body);
 274                         //$postopts = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
 275
 276                         $lng = $l->detect($naked_body, 3);
 277
 278                         if (sizeof($lng) > 0) {
 279                                 $postopts = "";
 280
 281                                 foreach ($lng as $language => $score) {
 282                                         if ($postopts == "")
 283                                                 $postopts = "lang=";
 284                                         else
 285                                                 $postopts .= ":";
 286
 287                                         $postopts .= $language.";".$score;
 288                                 }
 289                         }
 290
 291                         logger('mod_item: detect language' . print_r($lng,true) . $naked_body, LOGGER_DATA);
 292                 }
 293                 else
 294                         $postopts = '';
 295
 296
 297                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 298
 299
 300                 if($user['hidewall'])
 301                         $private = 2;
 302
 303                 // If this is a comment, set the permissions from the parent.
 304
 305                 if($parent_item) {
 306                         $private = 0;
 307
 308                         // for non native networks use the network of the original post as network of the item
 309                         if (($parent_item['network'] != NETWORK_DIASPORA)
 310                                 AND ($parent_item['network'] != NETWORK_OSTATUS)
 311                                 AND ($network == ""))
 312                                 $network = $parent_item['network'];
 313
 314                         if(($parent_item['private'])
 315                                 || strlen($parent_item['allow_cid'])
 316                                 || strlen($parent_item['allow_gid'])
 317                                 || strlen($parent_item['deny_cid'])
 318                                 || strlen($parent_item['deny_gid'])) {
 319                                 $private = (($parent_item['private']) ? $parent_item['private'] : 1);
 320                         }
 321
 322                         $str_contact_allow = $parent_item['allow_cid'];
 323                         $str_group_allow   = $parent_item['allow_gid'];
 324                         $str_contact_deny  = $parent_item['deny_cid'];
 325                         $str_group_deny    = $parent_item['deny_gid'];
 326                 }
 327                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 328
 329                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 330
 331                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 332                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 333                         if(! $mail_disabled) {
 334                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 335                                         intval(local_user())
 336                                 );
 337                                 if(count($r) && intval($r[0]['pubmail']))
 338                                         $pubmail_enabled = true;
 339                         }
 340                 }
 341
 342                 if(! strlen($body)) {
 343                         if($preview)
 344                                 killme();
 345                         info( t('Empty post discarded.') . EOL );
 346                         if(x($_REQUEST,'return'))
 347                                 goaway($a->get_baseurl() . "/" . $return_path );
 348                         killme();
 349                 }
 350         }
 351
 352         if(strlen($categories)) {
 353                 // get the "fileas" tags for this post
 354                 $filedas = file_tag_file_to_list($categories, 'file');
 355         }
 356         // save old and new categories, so we can determine what needs to be deleted from pconfig
 357         $categories_old = $categories;
 358         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 359         $categories_new = $categories;
 360         if(strlen($filedas)) {
 361                 // append the fileas stuff to the new categories list
 362                 $categories .= file_tag_list_to_file($filedas, 'file');
 363         }
 364
 365         // Work around doubled linefeeds in Tinymce 3.5b2
 366         // First figure out if it's a status post that would've been
 367         // created using tinymce. Otherwise leave it alone.
 368
 369 /*      $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0);
 370         if((! $parent) && (! $api_source) && (! $plaintext)) {
 371                 $body = fix_mce_lf($body);
 372         }*/
 373         $plaintext = (local_user() ? !feature_enabled($profile_uid,'richtext') : 0);
 374         if((! $parent) && (! $api_source) && (! $plaintext)) {
 375                 $body = fix_mce_lf($body);
 376         }
 377
 378
 379         // get contact info for poster
 380
 381         $author = null;
 382         $self   = false;
 383         $contact_id = 0;
 384
 385         if((local_user()) && (local_user() == $profile_uid)) {
 386                 $self = true;
 387                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 388                         intval($_SESSION['uid'])
 389                 );
 390         }
 391         elseif(remote_user()) {
 392                 if(is_array($_SESSION['remote'])) {
 393                         foreach($_SESSION['remote'] as $v) {
 394                                 if($v['uid'] == $profile_uid) {
 395                                         $contact_id = $v['cid'];
 396                                         break;
 397                                 }
 398                         }
 399                 }
 400                 if($contact_id) {
 401                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 402                                 intval($contact_id)
 403                         );
 404                 }
 405         }
 406
 407         if(count($r)) {
 408                 $author = $r[0];
 409                 $contact_id = $author['id'];
 410         }
 411
 412         // get contact info for owner
 413
 414         if($profile_uid == local_user()) {
 415                 $contact_record = $author;
 416         }
 417         else {
 418                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 419                         intval($profile_uid)
 420                 );
 421                 if(count($r))
 422                         $contact_record = $r[0];
 423         }
 424
 425         $post_type = notags(trim($_REQUEST['type']));
 426
 427         if($post_type === 'net-comment') {
 428                 if($parent_item !== null) {
 429                         if($parent_item['wall'] == 1)
 430                                 $post_type = 'wall-comment';
 431                         else
 432                                 $post_type = 'remote-comment';
 433                 }
 434         }
 435
 436         /**
 437          *
 438          * When a photo was uploaded into the message using the (profile wall) ajax
 439          * uploader, The permissions are initially set to disallow anybody but the
 440          * owner from seeing it. This is because the permissions may not yet have been
 441          * set for the post. If it's private, the photo permissions should be set
 442          * appropriately. But we didn't know the final permissions on the post until
 443          * now. So now we'll look for links of uploaded messages that are in the
 444          * post and set them to the same permissions as the post itself.
 445          *
 446          */
 447
 448         $match = null;
 449
 450         if((! $preview) && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 451                 $images = $match[2];
 452                 if(count($images)) {
 453
 454                         $objecttype = ACTIVITY_OBJ_IMAGE;
 455
 456                         foreach($images as $image) {
 457                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 458                                         continue;
 459                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 460                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 461                                 if(! strlen($image_uri))
 462                                         continue;
 463                                 $srch = '<' . intval($contact_id) . '>';
 464
 465                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 466                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 467                                         dbesc($srch),
 468                                         dbesc($image_uri),
 469                                         intval($profile_uid)
 470                                 );
 471
 472                                 if(! count($r))
 473                                         continue;
 474
 475
 476                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 477                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 478                                         dbesc($str_contact_allow),
 479                                         dbesc($str_group_allow),
 480                                         dbesc($str_contact_deny),
 481                                         dbesc($str_group_deny),
 482                                         dbesc($image_uri),
 483                                         intval($profile_uid),
 484                                         dbesc( t('Wall Photos'))
 485                                 );
 486
 487                         }
 488                 }
 489         }
 490
 491
 492         /**
 493          * Next link in any attachment references we find in the post.
 494          */
 495
 496         $match = false;
 497
 498         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 499                 $attaches = $match[1];
 500                 if(count($attaches)) {
 501                         foreach($attaches as $attach) {
 502                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 503                                         intval($profile_uid),
 504                                         intval($attach)
 505                                 );
 506                                 if(count($r)) {
 507                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 508                                                 WHERE `uid` = %d AND `id` = %d",
 509                                                 dbesc($str_contact_allow),
 510                                                 dbesc($str_group_allow),
 511                                                 dbesc($str_contact_deny),
 512                                                 dbesc($str_group_deny),
 513                                                 intval($profile_uid),
 514                                                 intval($attach)
 515                                         );
 516                                 }
 517                         }
 518                 }
 519         }
 520
 521         // embedded bookmark in post? set bookmark flag
 522
 523         $bookmark = 0;
 524         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 525                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 526                 $bookmark = 1;
 527         }
 528
 529         $body = bb_translate_video($body);
 530
 531
 532         /**
 533          * Fold multi-line [code] sequences
 534          */
 535
 536         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 537
 538         $body = scale_external_images($body,false);
 539
 540
 541         // Setting the object type if not defined before
 542         if (!$objecttype) {
 543                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 544                 require_once("include/plaintext.php");
 545                 $objectdata = get_attached_data($body);
 546
 547                 if ($post["type"] == "link")
 548                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 549                 elseif ($post["type"] == "video")
 550                         $objecttype = ACTIVITY_OBJ_VIDEO;
 551                 elseif ($post["type"] == "photo")
 552                         $objecttype = ACTIVITY_OBJ_IMAGE;
 553
 554         }
 555
 556         /**
 557          * Look for any tags and linkify them
 558          */
 559
 560         $str_tags = '';
 561         $inform   = '';
 562
 563
 564         $tags = get_tags($body);
 565
 566         /**
 567          * add a statusnet style reply tag if the original post was from there
 568          * and we are replying, and there isn't one already
 569          */
 570
 571         if(($parent_contact) && ($parent_contact['network'] === NETWORK_OSTATUS)
 572                 && ($parent_contact['nick']) && (! in_array('@' . $parent_contact['nick'],$tags))) {
 573                 $body = '@' . $parent_contact['nick'] . ' ' . $body;
 574                 $tags[] = '@' . $parent_contact['nick'];
 575         }
 576
 577         $tagged = array();
 578
 579         $private_forum = false;
 580
 581         if(count($tags)) {
 582                 foreach($tags as $tag) {
 583
 584                         // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 585                         // Robert Johnson should be first in the $tags array
 586
 587                         $fullnametagged = false;
 588                         for($x = 0; $x < count($tagged); $x ++) {
 589                                 if(stristr($tagged[$x],$tag . ' ')) {
 590                                         $fullnametagged = true;
 591                                         break;
 592                                 }
 593                         }
 594                         if($fullnametagged)
 595                                 continue;
 596
 597                         $success = handle_tag($a, $body, $inform, $str_tags, (local_user()) ? local_user() : $profile_uid , $tag, $network);
 598                         if($success['replaced'])
 599                                 $tagged[] = $tag;
 600                         if(is_array($success['contact']) && intval($success['contact']['prv'])) {
 601                                 $private_forum = true;
 602                                 $private_id = $success['contact']['id'];
 603                         }
 604                 }
 605         }
 606
 607         if(($private_forum) && (! $parent) && (! $private)) {
 608                 // we tagged a private forum in a top level post and the message was public.
 609                 // Restrict it.
 610                 $private = 1;
 611                 $str_contact_allow = '<' . $private_id . '>';
 612         }
 613
 614         $attachments = '';
 615         $match = false;
 616
 617         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 618                 foreach($match[2] as $mtch) {
 619                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 620                                 intval($profile_uid),
 621                                 intval($mtch)
 622                         );
 623                         if(count($r)) {
 624                                 if(strlen($attachments))
 625                                         $attachments .= ',';
 626                                 $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]';
 627                         }
 628                         $body = str_replace($match[1],'',$body);
 629                 }
 630         }
 631
 632         $wall = 0;
 633
 634         if($post_type === 'wall' || $post_type === 'wall-comment')
 635                 $wall = 1;
 636
 637         if(! strlen($verb))
 638                 $verb = ACTIVITY_POST ;
 639
 640         if ($network == "")
 641                 $network = NETWORK_DFRN;
 642
 643         $gravity = (($parent) ? 6 : 0 );
 644
 645         // even if the post arrived via API we are considering that it
 646         // originated on this site by default for determining relayability.
 647
 648         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 649
 650         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 651
 652         $uri = (($message_id) ? $message_id : item_new_uri($a->get_hostname(),$profile_uid));
 653
 654         // Fallback so that we alway have a thr-parent
 655         if(!$thr_parent)
 656                 $thr_parent = $uri;
 657
 658         $datarray = array();
 659         $datarray['uid']           = $profile_uid;
 660         $datarray['type']          = $post_type;
 661         $datarray['wall']          = $wall;
 662         $datarray['gravity']       = $gravity;
 663         $datarray['network']       = $network;
 664         $datarray['contact-id']    = $contact_id;
 665         $datarray['owner-name']    = $contact_record['name'];
 666         $datarray['owner-link']    = $contact_record['url'];
 667         $datarray['owner-avatar']  = $contact_record['thumb'];
 668         $datarray['author-name']   = $author['name'];
 669         $datarray['author-link']   = $author['url'];
 670         $datarray['author-avatar'] = $author['thumb'];
 671         $datarray['created']       = datetime_convert();
 672         $datarray['edited']        = datetime_convert();
 673         $datarray['commented']     = datetime_convert();
 674         $datarray['received']      = datetime_convert();
 675         $datarray['changed']       = datetime_convert();
 676         $datarray['extid']         = $extid;
 677         $datarray['guid']          = $guid;
 678         $datarray['uri']           = $uri;
 679         $datarray['title']         = $title;
 680         $datarray['body']          = $body;
 681         $datarray['app']           = $app;
 682         $datarray['location']      = $location;
 683         $datarray['coord']         = $coord;
 684         $datarray['tag']           = $str_tags;
 685         $datarray['file']          = $categories;
 686         $datarray['inform']        = $inform;
 687         $datarray['verb']          = $verb;
 688         $datarray['object-type']   = $objecttype;
 689         $datarray['allow_cid']     = $str_contact_allow;
 690         $datarray['allow_gid']     = $str_group_allow;
 691         $datarray['deny_cid']      = $str_contact_deny;
 692         $datarray['deny_gid']      = $str_group_deny;
 693         $datarray['private']       = $private;
 694         $datarray['pubmail']       = $pubmail_enable;
 695         $datarray['attach']        = $attachments;
 696         $datarray['bookmark']      = intval($bookmark);
 697         $datarray['thr-parent']    = $thr_parent;
 698         $datarray['postopts']      = $postopts;
 699         $datarray['origin']        = $origin;
 700         $datarray['moderated']     = $allow_moderated;
 701
 702         /**
 703          * These fields are for the convenience of plugins...
 704          * 'self' if true indicates the owner is posting on their own wall
 705          * If parent is 0 it is a top-level post.
 706          */
 707
 708         $datarray['parent']        = $parent;
 709         $datarray['self']          = $self;
 710 //      $datarray['prvnets']       = $user['prvnets'];
 711
 712         if($orig_post)
 713                 $datarray['edit']      = true;
 714
 715         // preview mode - prepare the body for display and send it via json
 716
 717         if($preview) {
 718                 require_once('include/conversation.php');
 719                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 720                 logger('preview: ' . $o);
 721                 echo json_encode(array('preview' => $o));
 722                 killme();
 723         }
 724
 725
 726         call_hooks('post_local',$datarray);
 727
 728         if(x($datarray,'cancel')) {
 729                 logger('mod_item: post cancelled by plugin.');
 730                 if($return_path) {
 731                         goaway($a->get_baseurl() . "/" . $return_path);
 732                 }
 733
 734                 $json = array('cancel' => 1);
 735                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 736                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 737
 738                 echo json_encode($json);
 739                 killme();
 740         }
 741
 742
 743         if($orig_post) {
 744                 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d",
 745                         dbesc($datarray['title']),
 746                         dbesc($datarray['body']),
 747                         dbesc($datarray['tag']),
 748                         dbesc($datarray['attach']),
 749                         dbesc($datarray['file']),
 750                         dbesc(datetime_convert()),
 751                         dbesc(datetime_convert()),
 752                         intval($post_id),
 753                         intval($profile_uid)
 754                 );
 755
 756                 create_tags_from_item($post_id);
 757                 create_files_from_item($post_id);
 758                 update_thread($post_id);
 759
 760                 // update filetags in pconfig
 761                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 762
 763                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 764                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 765                         logger('return: ' . $return_path);
 766                         goaway($a->get_baseurl() . "/" . $return_path );
 767                 }
 768                 killme();
 769         }
 770         else
 771                 $post_id = 0;
 772
 773
 774         $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 775                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 776                 `tag`, `inform`, `verb`, `object-type`, `postopts`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file` )
 777                 VALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s' )",
 778                 dbesc($datarray['guid']),
 779                 dbesc($datarray['extid']),
 780                 intval($datarray['uid']),
 781                 dbesc($datarray['type']),
 782                 intval($datarray['wall']),
 783                 intval($datarray['gravity']),
 784                 dbesc($datarray['network']),
 785                 intval($datarray['contact-id']),
 786                 dbesc($datarray['owner-name']),
 787                 dbesc($datarray['owner-link']),
 788                 dbesc($datarray['owner-avatar']),
 789                 dbesc($datarray['author-name']),
 790                 dbesc($datarray['author-link']),
 791                 dbesc($datarray['author-avatar']),
 792                 dbesc($datarray['created']),
 793                 dbesc($datarray['edited']),
 794                 dbesc($datarray['commented']),
 795                 dbesc($datarray['received']),
 796                 dbesc($datarray['changed']),
 797                 dbesc($datarray['uri']),
 798                 dbesc($datarray['thr-parent']),
 799                 dbesc($datarray['title']),
 800                 dbesc($datarray['body']),
 801                 dbesc($datarray['app']),
 802                 dbesc($datarray['location']),
 803                 dbesc($datarray['coord']),
 804                 dbesc($datarray['tag']),
 805                 dbesc($datarray['inform']),
 806                 dbesc($datarray['verb']),
 807                 dbesc($datarray['object-type']),
 808                 dbesc($datarray['postopts']),
 809                 dbesc($datarray['allow_cid']),
 810                 dbesc($datarray['allow_gid']),
 811                 dbesc($datarray['deny_cid']),
 812                 dbesc($datarray['deny_gid']),
 813                 intval($datarray['private']),
 814                 intval($datarray['pubmail']),
 815                 dbesc($datarray['attach']),
 816                 intval($datarray['bookmark']),
 817                 intval($datarray['origin']),
 818                 intval($datarray['moderated']),
 819                 dbesc($datarray['file'])
 820                );
 821
 822         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 823                 dbesc($datarray['uri']));
 824         if(count($r)) {
 825                 $post_id = $r[0]['id'];
 826                 logger('mod_item: saved item ' . $post_id);
 827                 add_thread($post_id);
 828
 829                 // update filetags in pconfig
 830                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 831
 832                 // Store the fresh generated item into the cache
 833                 $cachefile = get_cachefile(urlencode($datarray["guid"])."-".hash("md5", $datarray['body']));
 834
 835                 if (($cachefile != '') AND !file_exists($cachefile)) {
 836                         $s = prepare_text($datarray['body']);
 837                         $stamp1 = microtime(true);
 838                         file_put_contents($cachefile, $s);
 839                         $a->save_timestamp($stamp1, "file");
 840                         logger('mod_item: put item '.$r[0]['id'].' into cachefile '.$cachefile);
 841                 }
 842
 843                 if($parent) {
 844
 845                         // This item is the last leaf and gets the comment box, clear any ancestors
 846                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 847                                 dbesc(datetime_convert()),
 848                                 intval($parent)
 849                         );
 850                         update_thread($parent, true);
 851
 852                         // Inherit ACLs from the parent item.
 853
 854                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 855                                 WHERE `id` = %d",
 856                                 dbesc($parent_item['allow_cid']),
 857                                 dbesc($parent_item['allow_gid']),
 858                                 dbesc($parent_item['deny_cid']),
 859                                 dbesc($parent_item['deny_gid']),
 860                                 intval($parent_item['private']),
 861                                 intval($post_id)
 862                         );
 863
 864                         if($contact_record != $author) {
 865                                 notification(array(
 866                                         'type'         => NOTIFY_COMMENT,
 867                                         'notify_flags' => $user['notify-flags'],
 868                                         'language'     => $user['language'],
 869                                         'to_name'      => $user['username'],
 870                                         'to_email'     => $user['email'],
 871                                         'uid'          => $user['uid'],
 872                                         'item'         => $datarray,
 873                                         'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 874                                         'source_name'  => $datarray['author-name'],
 875                                         'source_link'  => $datarray['author-link'],
 876                                         'source_photo' => $datarray['author-avatar'],
 877                                         'verb'         => ACTIVITY_POST,
 878                                         'otype'        => 'item',
 879                                         'parent'       => $parent,
 880                                         'parent_uri'   => $parent_item['uri']
 881                                 ));
 882
 883                         }
 884
 885
 886                         // Store the comment signature information in case we need to relay to Diaspora
 887                         store_diaspora_comment_sig($datarray, $author, ($self ? $a->user['prvkey'] : false), $parent_item, $post_id);
 888
 889                 } else {
 890                         $parent = $post_id;
 891
 892                         if($contact_record != $author) {
 893                                 notification(array(
 894                                         'type'         => NOTIFY_WALL,
 895                                         'notify_flags' => $user['notify-flags'],
 896                                         'language'     => $user['language'],
 897                                         'to_name'      => $user['username'],
 898                                         'to_email'     => $user['email'],
 899                                         'uid'          => $user['uid'],
 900                                         'item'         => $datarray,
 901                                         'link'          => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 902                                         'source_name'  => $datarray['author-name'],
 903                                         'source_link'  => $datarray['author-link'],
 904                                         'source_photo' => $datarray['author-avatar'],
 905                                         'verb'         => ACTIVITY_POST,
 906                                         'otype'        => 'item'
 907                                 ));
 908                         }
 909                 }
 910
 911                 // fallback so that parent always gets set to non-zero.
 912
 913                 if(! $parent)
 914                         $parent = $post_id;
 915
 916                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 917                         WHERE `id` = %d",
 918                         intval($parent),
 919                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 920                         dbesc($a->get_baseurl().'/display/'.urlencode($datarray['guid'])),
 921                         dbesc(datetime_convert()),
 922                         intval($post_id)
 923                 );
 924
 925                 // photo comments turn the corresponding item visible to the profile wall
 926                 // This way we don't see every picture in your new photo album posted to your wall at once.
 927                 // They will show up as people comment on them.
 928
 929                 if(! $parent_item['visible']) {
 930                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d",
 931                                 intval($parent_item['id'])
 932                         );
 933                         update_thread($parent_item['id']);
 934                 }
 935         }
 936         else {
 937                 logger('mod_item: unable to retrieve post that was just stored.');
 938                 notice( t('System error. Post not saved.') . EOL);
 939                 goaway($a->get_baseurl() . "/" . $return_path );
 940                 // NOTREACHED
 941         }
 942
 943         // update the commented timestamp on the parent
 944
 945         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
 946                 dbesc(datetime_convert()),
 947                 dbesc(datetime_convert()),
 948                 intval($parent)
 949         );
 950         update_thread($parent);
 951
 952         $datarray['id']    = $post_id;
 953         $datarray['plink'] = $a->get_baseurl().'/display/'.urlencode($datarray['guid']);
 954
 955         call_hooks('post_local_end', $datarray);
 956
 957         if(strlen($emailcc) && $profile_uid == local_user()) {
 958                 $erecips = explode(',', $emailcc);
 959                 if(count($erecips)) {
 960                         foreach($erecips as $recip) {
 961                                 $addr = trim($recip);
 962                                 if(! strlen($addr))
 963                                         continue;
 964                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 965                                         . '<br />';
 966                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 967                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 968                                 if (!$datarray['title']=='') {
 969                                     $subject = email_header_encode($datarray['title'],'UTF-8');
 970                                 } else {
 971                                     $subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
 972                                 }
 973                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 974                                 $html    = prepare_body($datarray);
 975                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 976                                 include_once('include/html2plain.php');
 977                                 $params = array (
 978                                     'fromName' => $a->user['username'],
 979                                     'fromEmail' => $a->user['email'],
 980                                     'toEmail' => $addr,
 981                                     'replyTo' => $a->user['email'],
 982                                     'messageSubject' => $subject,
 983                                     'htmlVersion' => $message,
 984                                     'textVersion' => html2plain($html.$disclaimer),
 985                                 );
 986                                 enotify::send($params);
 987                         }
 988                 }
 989         }
 990
 991         create_tags_from_item($post_id);
 992         create_files_from_item($post_id);
 993         update_thread($post_id);
 994
 995         // This is a real juggling act on shared hosting services which kill your processes
 996         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
 997         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
 998         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
 999         // likely to get killed off. If you end up looking at an /item URL and a blank page,
1000         // it's very likely the delivery got killed before all your friends could be notified.
1001         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
1002         // or cut back on plugins which do remote deliveries.
1003
1004         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
1005
1006         logger('post_complete');
1007
1008         item_post_return($a->get_baseurl(), $api_source, $return_path);
1009         // NOTREACHED
1010 }
1011
1012 function item_post_return($baseurl, $api_source, $return_path) {
1013         // figure out how to return, depending on from whence we came
1014
1015         if($api_source)
1016                 return;
1017
1018         if($return_path) {
1019                 goaway($baseurl . "/" . $return_path);
1020         }
1021
1022         $json = array('success' => 1);
1023         if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
1024                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
1025
1026         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
1027
1028         echo json_encode($json);
1029         killme();
1030 }
1031
1032
1033
1034 function item_content(&$a) {
1035
1036         if((! local_user()) && (! remote_user()))
1037                 return;
1038
1039         require_once('include/security.php');
1040
1041         $o = '';
1042         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
1043                 require_once('include/items.php');
1044                 $o = drop_item($a->argv[2], !is_ajax());
1045                 if (is_ajax()){
1046                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
1047                         echo json_encode(array(intval($a->argv[2]), intval($o)));
1048                         killme();
1049                 }
1050         }
1051         return $o;
1052 }
1053
1054 /**
1055  * This function removes the tag $tag from the text $body and replaces it with
1056  * the appropiate link.
1057  *
1058  * @param unknown_type $body the text to replace the tag in
1059  * @param unknown_type $inform a comma-seperated string containing everybody to inform
1060  * @param unknown_type $str_tags string to add the tag to
1061  * @param unknown_type $profile_uid
1062  * @param unknown_type $tag the tag to replace
1063  *
1064  * @return boolean true if replaced, false if not replaced
1065  */
1066 function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "") {
1067
1068         $replaced = false;
1069         $r = null;
1070
1071         //is it a hash tag?
1072         if(strpos($tag,'#') === 0) {
1073                 //if the tag is replaced...
1074                 if(strpos($tag,'[url='))
1075                         //...do nothing
1076                         return $replaced;
1077                 //base tag has the tags name only
1078                 $basetag = str_replace('_',' ',substr($tag,1));
1079                 //create text for link
1080                 $newtag = '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1081                 //replace tag by the link
1082                 $body = str_replace($tag, $newtag, $body);
1083                 $replaced = true;
1084
1085                 //is the link already in str_tags?
1086                 if(! stristr($str_tags,$newtag)) {
1087                         //append or set str_tags
1088                         if(strlen($str_tags))
1089                                 $str_tags .= ',';
1090                         $str_tags .= $newtag;
1091                 }
1092                 return $replaced;
1093         }
1094         //is it a person tag?
1095         if(strpos($tag,'@') === 0) {
1096                 //is it already replaced?
1097                 if(strpos($tag,'[url='))
1098                         return $replaced;
1099                 $stat = false;
1100                 //get the person's name
1101                 $name = substr($tag,1);
1102                 //is it a link or a full dfrn address?
1103                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
1104                         $newname = $name;
1105                         //get the profile links
1106                         $links = @lrdd($name);
1107                         if(count($links)) {
1108                                 //for all links, collect how is to inform and how's profile is to link
1109                                 foreach($links as $link) {
1110                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
1111                                                 $profile = $link['@attributes']['href'];
1112                                         if($link['@attributes']['rel'] === 'salmon') {
1113                                                 if(strlen($inform))
1114                                                         $inform .= ',';
1115                                                 $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
1116                                         }
1117                                 }
1118                         }
1119                 } elseif (($network != NETWORK_OSTATUS) AND ($network != NETWORK_TWITTER) AND
1120                         ($network != NETWORK_STATUSNET) AND ($network != NETWORK_APPNET)) {
1121                         //if it is a name rather than an address
1122                         $newname = $name;
1123                         $alias = '';
1124                         $tagcid = 0;
1125                         //is it some generated name?
1126                         if(strrpos($newname,'+')) {
1127                                 //get the id
1128                                 $tagcid = intval(substr($newname,strrpos($newname,'+') + 1));
1129                                 //remove the next word from tag's name
1130                                 if(strpos($name,' ')) {
1131                                         $name = substr($name,0,strpos($name,' '));
1132                                 }
1133                         }
1134                         if($tagcid) { //if there was an id
1135                                 //select contact with that id from the logged in user's contact list
1136                                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1137                                                 intval($tagcid),
1138                                                 intval($profile_uid)
1139                                 );
1140                         }
1141                         else {
1142                                 $newname = str_replace('_',' ',$name);
1143
1144                                 // At first try to fetch a contact according to the given network
1145                                 if ($network != "") {
1146                                         //select someone from this user's contacts by name
1147                                         $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1148                                                         dbesc($newname),
1149                                                         dbesc($network),
1150                                                         intval($profile_uid)
1151                                         );
1152                                         if(! $r) {
1153                                                 //select someone by attag or nick and the name passed in
1154                                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1155                                                                 dbesc($name),
1156                                                                 dbesc($name),
1157                                                                 dbesc($network),
1158                                                                 intval($profile_uid)
1159                                                 );
1160                                         }
1161                                 } else
1162                                         $r = false;
1163
1164                                 if(! $r) {
1165                                         //select someone from this user's contacts by name
1166                                         $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1167                                                         dbesc($newname),
1168                                                         intval($profile_uid)
1169                                         );
1170                                 }
1171
1172                                 if(! $r) {
1173                                         //select someone by attag or nick and the name passed in
1174                                         $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1175                                                         dbesc($name),
1176                                                         dbesc($name),
1177                                                         intval($profile_uid)
1178                                         );
1179                                 }
1180                         }
1181 /*                      } elseif(strstr($name,'_') || strstr($name,' ')) { //no id
1182                                 //get the real name
1183                                 $newname = str_replace('_',' ',$name);
1184                                 //select someone from this user's contacts by name
1185                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1186                                                 dbesc($newname),
1187                                                 intval($profile_uid)
1188                                 );
1189                         } else {
1190                                 //select someone by attag or nick and the name passed in
1191                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1192                                                 dbesc($name),
1193                                                 dbesc($name),
1194                                                 intval($profile_uid)
1195                                 );
1196                         }*/
1197                         //$r is set, if someone could be selected
1198                         if(count($r)) {
1199                                 $profile = $r[0]['url'];
1200                                 //set newname to nick, find alias
1201                                 if(($r[0]['network'] === NETWORK_OSTATUS) OR ($r[0]['network'] === NETWORK_TWITTER)
1202                                         OR ($r[0]['network'] === NETWORK_STATUSNET) OR ($r[0]['network'] === NETWORK_APPNET)) {
1203                                         $newname = $r[0]['nick'];
1204                                         $stat = true;
1205                                         if($r[0]['alias'])
1206                                                 $alias = $r[0]['alias'];
1207                                 }
1208                                 else
1209                                         $newname = $r[0]['name'];
1210                                 //add person's id to $inform
1211                                 if(strlen($inform))
1212                                         $inform .= ',';
1213                                 $inform .= 'cid:' . $r[0]['id'];
1214                         }
1215                 }
1216                 //if there is an url for this persons profile
1217                 if(isset($profile)) {
1218                         $replaced = true;
1219                         //create profile link
1220                         $profile = str_replace(',','%2c',$profile);
1221                         $newtag = '@[url=' . $profile . ']' . $newname  . '[/url]';
1222                         $body = str_replace('@' . $name, $newtag, $body);
1223                         //append tag to str_tags
1224                         if(! stristr($str_tags,$newtag)) {
1225                                 if(strlen($str_tags))
1226                                         $str_tags .= ',';
1227                                 $str_tags .= $newtag;
1228                         }
1229
1230                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
1231                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1232
1233                         if(strlen($alias)) {
1234                                 $newtag = '@[url=' . $alias . ']' . $newname    . '[/url]';
1235                                 if(! stristr($str_tags,$newtag)) {
1236                                         if(strlen($str_tags))
1237                                                 $str_tags .= ',';
1238                                         $str_tags .= $newtag;
1239                                 }
1240                         }
1241                 }
1242         }
1243
1244         return array('replaced' => $replaced, 'contact' => $r[0]);
1245 }
1246
1247
1248 function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item, $post_id) {
1249         // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
1250
1251         $enabled = intval(get_config('system','diaspora_enabled'));
1252         if(! $enabled) {
1253                 logger('mod_item: diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
1254                 return;
1255         }
1256
1257
1258         logger('mod_item: storing diaspora comment signature');
1259
1260         require_once('include/bb2diaspora.php');
1261         $signed_body = html_entity_decode(bb2diaspora($datarray['body']));
1262
1263         // Only works for NETWORK_DFRN
1264         $contact_baseurl_start = strpos($author['url'],'://') + 3;
1265         $contact_baseurl_length = strpos($author['url'],'/profile') - $contact_baseurl_start;
1266         $contact_baseurl = substr($author['url'], $contact_baseurl_start, $contact_baseurl_length);
1267         $diaspora_handle = $author['nick'] . '@' . $contact_baseurl;
1268
1269         $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
1270
1271         if( $uprvkey !== false )
1272                 $authorsig = base64_encode(rsa_sign($signed_text,$uprvkey,'sha256'));
1273         else
1274                 $authorsig = '';
1275
1276         q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1277                 intval($post_id),
1278                 dbesc($signed_text),
1279                 dbesc(base64_encode($authorsig)),
1280                 dbesc($diaspora_handle)
1281         );
1282
1283         return;
1284 }