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