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
  21 function item_post(&$a) {
  22
  23         if((! local_user()) && (! remote_user()))
  24                 return;
  25
  26         require_once('include/security.php');
  27
  28         $uid = local_user();
  29
  30         if(x($_POST,'dropitems')) {
  31                 require_once('include/items.php');
  32                 $arr_drop = explode(',',$_POST['dropitems']);
  33                 drop_items($arr_drop);
  34                 $json = array('success' => 1);
  35                 echo json_encode($json);
  36                 killme();
  37         }
  38
  39         call_hooks('post_local_start', $_POST);
  40
  41         $api_source = ((x($_POST,'api_source') && $_POST['api_source']) ? true : false);
  42         $return_path = ((x($_POST,'return')) ? $_POST['return'] : '');
  43
  44         /**
  45          * Is this a reply to something?
  46          */
  47
  48         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  49         $parent_uri = ((x($_POST,'parent_uri')) ? trim($_POST['parent_uri']) : '');
  50
  51         $parent_item = null;
  52         $parent_contact = null;
  53         $thr_parent = '';
  54         $parid = 0;
  55         $r = false;
  56
  57         $preview = ((x($_POST,'preview')) ? intval($_POST['preview']) : 0);
  58
  59         if($parent || $parent_uri) {
  60
  61                 if(! x($_POST,'type'))
  62                         $_POST['type'] = 'net-comment';
  63
  64                 if($parent) {
  65                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  66                                 intval($parent)
  67                         );
  68                 }
  69                 elseif($parent_uri && local_user()) {
  70                         // This is coming from an API source, and we are logged in
  71                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  72                                 dbesc($parent_uri),
  73                                 intval(local_user())
  74                         );
  75                 }
  76                 // if this isn't the real parent of the conversation, find it
  77                 if($r !== false && count($r)) {
  78                         $parid = $r[0]['parent'];
  79                         if($r[0]['id'] != $r[0]['parent']) {
  80                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
  81                                         intval($parid)
  82                                 );
  83                         }
  84                 }
  85
  86                 if(($r === false) || (! count($r))) {
  87                         notice( t('Unable to locate original post.') . EOL);
  88                         if(x($_POST,'return'))
  89                                 goaway($a->get_baseurl() . "/" . $return_path );
  90                         killme();
  91                 }
  92                 $parent_item = $r[0];
  93                 $parent = $r[0]['id'];
  94
  95                 // multi-level threading - preserve the info but re-parent to our single level threading
  96                 if(($parid) && ($parid != $parent))
  97                         $thr_parent = $parent_uri;
  98
  99                 if($parent_item['contact-id'] && $uid) {
 100                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 101                                 intval($parent_item['contact-id']),
 102                                 intval($uid)
 103                         );
 104                         if(count($r))
 105                                 $parent_contact = $r[0];
 106                 }
 107         }
 108
 109         if($parent) logger('mod_post: parent=' . $parent);
 110
 111         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
 112         $post_id     = ((x($_POST['post_id']))    ? intval($_POST['post_id'])     : 0);
 113         $app         = ((x($_POST['source']))     ? strip_tags($_POST['source'])  : '');
 114
 115         if(! can_write_wall($a,$profile_uid)) {
 116                 notice( t('Permission denied.') . EOL) ;
 117                 if(x($_POST,'return'))
 118                         goaway($a->get_baseurl() . "/" . $return_path );
 119                 killme();
 120         }
 121
 122
 123         // is this an edited post?
 124
 125         $orig_post = null;
 126
 127         if($post_id) {
 128                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 129                         intval($profile_uid),
 130                         intval($post_id)
 131                 );
 132                 if(! count($i))
 133                         killme();
 134                 $orig_post = $i[0];
 135         }
 136
 137         $user = null;
 138
 139         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 140                 intval($profile_uid)
 141         );
 142         if(count($r))
 143                 $user = $r[0];
 144
 145         if($orig_post) {
 146                 $str_group_allow   = $orig_post['allow_gid'];
 147                 $str_contact_allow = $orig_post['allow_cid'];
 148                 $str_group_deny    = $orig_post['deny_gid'];
 149                 $str_contact_deny  = $orig_post['deny_cid'];
 150                 $title             = $orig_post['title'];
 151                 $location          = $orig_post['location'];
 152                 $coord             = $orig_post['coord'];
 153                 $verb              = $orig_post['verb'];
 154                 $emailcc           = $orig_post['emailcc'];
 155                 $app                       = $orig_post['app'];
 156
 157                 $body              = escape_tags(trim($_POST['body']));
 158                 $private           = $orig_post['private'];
 159                 $pubmail_enable    = $orig_post['pubmail'];
 160         }
 161         else {
 162                 $str_group_allow   = perms2str($_POST['group_allow']);
 163                 $str_contact_allow = perms2str($_POST['contact_allow']);
 164                 $str_group_deny    = perms2str($_POST['group_deny']);
 165                 $str_contact_deny  = perms2str($_POST['contact_deny']);
 166                 $title             = notags(trim($_POST['title']));
 167                 $location          = notags(trim($_POST['location']));
 168                 $coord             = notags(trim($_POST['coord']));
 169                 $verb              = notags(trim($_POST['verb']));
 170                 $emailcc           = notags(trim($_POST['emailcc']));
 171
 172                 $body              = escape_tags(trim($_POST['body']));
 173                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 174
 175                 if(($parent_item) &&
 176                         (($parent_item['private'])
 177                                 || strlen($parent_item['allow_cid'])
 178                                 || strlen($parent_item['allow_gid'])
 179                                 || strlen($parent_item['deny_cid'])
 180                                 || strlen($parent_item['deny_gid'])
 181                         )) {
 182                         $private = 1;
 183                 }
 184
 185                 $pubmail_enable    = ((x($_POST,'pubmail_enable') && intval($_POST['pubmail_enable']) && (! $private)) ? 1 : 0);
 186
 187                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 188
 189                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 190                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 191                         if(! $mail_disabled) {
 192                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 193                                         intval(local_user())
 194                                 );
 195                                 if(count($r) && intval($r[0]['pubmail']))
 196                                         $pubmail_enabled = true;
 197                         }
 198                 }
 199
 200
 201                 if(! strlen($body)) {
 202                         info( t('Empty post discarded.') . EOL );
 203                         if(x($_POST,'return'))
 204                                 goaway($a->get_baseurl() . "/" . $return_path );
 205                         killme();
 206                 }
 207         }
 208
 209         if(($api_source)
 210                 && (! array_key_exists('allow_cid',$_REQUEST))
 211                 && (! array_key_exists('allow_gid',$_REQUEST))
 212                 && (! array_key_exists('deny_cid',$_REQUEST))
 213                 && (! array_key_exists('deny_gid',$_REQUEST))) {
 214                 $str_group_allow   = $user['allow_gid'];
 215                 $str_contact_allow = $user['allow_cid'];
 216                 $str_group_deny    = $user['deny_gid'];
 217                 $str_contact_deny  = $user['deny_cid'];
 218         }
 219
 220
 221         // get contact info for poster
 222
 223         $author = null;
 224         $self   = false;
 225
 226         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
 227                 $self = true;
 228                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 229                         intval($_SESSION['uid'])
 230                 );
 231         }
 232         else {
 233                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
 234                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 235                                 intval($_SESSION['visitor_id'])
 236                         );
 237                 }
 238         }
 239
 240         if(count($r)) {
 241                 $author = $r[0];
 242                 $contact_id = $author['id'];
 243         }
 244
 245         // get contact info for owner
 246
 247         if($profile_uid == $_SESSION['uid']) {
 248                 $contact_record = $author;
 249         }
 250         else {
 251                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 252                         intval($profile_uid)
 253                 );
 254                 if(count($r))
 255                         $contact_record = $r[0];
 256         }
 257
 258
 259
 260         $post_type = notags(trim($_POST['type']));
 261
 262         if($post_type === 'net-comment') {
 263                 if($parent_item !== null) {
 264                         if($parent_item['wall'] == 1)
 265                                 $post_type = 'wall-comment';
 266                         else
 267                                 $post_type = 'remote-comment';
 268                 }
 269         }
 270
 271         /**
 272          *
 273          * When a photo was uploaded into the message using the (profile wall) ajax
 274          * uploader, The permissions are initially set to disallow anybody but the
 275          * owner from seeing it. This is because the permissions may not yet have been
 276          * set for the post. If it's private, the photo permissions should be set
 277          * appropriately. But we didn't know the final permissions on the post until
 278          * now. So now we'll look for links of uploaded messages that are in the
 279          * post and set them to the same permissions as the post itself.
 280          *
 281          */
 282
 283         $match = null;
 284
 285         if((! $preview) && preg_match_all("/\[img\](.*?)\[\/img\]/",$body,$match)) {
 286                 $images = $match[1];
 287                 if(count($images)) {
 288                         foreach($images as $image) {
 289                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 290                                         continue;
 291                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 292                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 293                                 if(! strlen($image_uri))
 294                                         continue;
 295                                 $srch = '<' . intval($profile_uid) . '>';
 296                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 297                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 298                                         dbesc($srch),
 299                                         dbesc($image_uri),
 300                                         intval($profile_uid)
 301                                 );
 302                                 if(! count($r))
 303                                         continue;
 304
 305
 306                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 307                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 308                                         dbesc($str_contact_allow),
 309                                         dbesc($str_group_allow),
 310                                         dbesc($str_contact_deny),
 311                                         dbesc($str_group_deny),
 312                                         dbesc($image_uri),
 313                                         intval($profile_uid),
 314                                         dbesc( t('Wall Photos'))
 315                                 );
 316
 317                         }
 318                 }
 319         }
 320
 321
 322         /**
 323          * Next link in any attachment references we find in the post.
 324          */
 325
 326         $match = false;
 327
 328         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 329                 $attaches = $match[1];
 330                 if(count($attaches)) {
 331                         foreach($attaches as $attach) {
 332                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 333                                         intval($profile_uid),
 334                                         intval($attach)
 335                                 );
 336                                 if(count($r)) {
 337                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 338                                                 WHERE `uid` = %d AND `id` = %d LIMIT 1",
 339                                                 dbesc($str_contact_allow),
 340                                                 dbesc($str_group_allow),
 341                                                 dbesc($str_contact_deny),
 342                                                 dbesc($str_group_deny),
 343                                                 intval($profile_uid),
 344                                                 intval($attach)
 345                                         );
 346                                 }
 347                         }
 348                 }
 349         }
 350
 351         // embedded bookmark in post? set bookmark flag
 352
 353         $bookmark = 0;
 354         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 355                 $bookmark = 1;
 356         }
 357
 358         $body = bb_translate_video($body);
 359
 360         /**
 361          * Fold multi-line [code] sequences
 362          */
 363
 364         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 365
 366         /**
 367          * Look for any tags and linkify them
 368          */
 369
 370         $str_tags = '';
 371         $inform   = '';
 372
 373
 374         $tags = get_tags($body);
 375
 376         /**
 377          * add a statusnet style reply tag if the original post was from there
 378          * and we are replying, and there isn't one already
 379          */
 380
 381         if(($parent_contact) && ($parent_contact['network'] === NETWORK_OSTATUS)
 382                 && ($parent_contact['nick']) && (! in_array('@' . $parent_contact['nick'],$tags))) {
 383                 $body = '@' . $parent_contact['nick'] . ' ' . $body;
 384                 $tags[] = '@' . $parent_contact['nick'];
 385         }
 386
 387         if(count($tags)) {
 388                 foreach($tags as $tag) {
 389
 390                         if(isset($profile))
 391                                 unset($profile);
 392                         if(strpos($tag,'#') === 0) {
 393                                 if(strpos($tag,'[url='))
 394                                         continue;
 395                                 $basetag = str_replace('_',' ',substr($tag,1));
 396                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 397
 398                                 $newtag = '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 399                                 if(! stristr($str_tags,$newtag)) {
 400                                         if(strlen($str_tags))
 401                                                 $str_tags .= ',';
 402                                         $str_tags .= $newtag;
 403                                 }
 404                                 continue;
 405                         }
 406                         if(strpos($tag,'@') === 0) {
 407                                 if(strpos($tag,'[url='))
 408                                         continue;
 409                                 $stat = false;
 410                                 $name = substr($tag,1);
 411                                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
 412                                         $newname = $name;
 413                                         $links = @lrdd($name);
 414                                         if(count($links)) {
 415                                                 foreach($links as $link) {
 416                                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 417                                         $profile = $link['@attributes']['href'];
 418                                                         if($link['@attributes']['rel'] === 'salmon') {
 419                                                                 if(strlen($inform))
 420                                                                         $inform .= ',';
 421                                         $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
 422                                                         }
 423                                                 }
 424                                         }
 425                                 }
 426                                 else {
 427                                         $newname = $name;
 428                                         $alias = '';
 429                                         $tagcid = 0;
 430                                         if(strrpos($newname,'+')) {
 431                                                 $tagcid = intval(substr($newname,strrpos($newname,'+') + 1));
 432                                                 if(strpos($name,' '))
 433                                                         $name = substr($name,0,strpos($name,' '));
 434                                         }
 435                                         if($tagcid) {
 436                                                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 437                                                         intval($tagcid),
 438                                                         intval($profile_uid)
 439                                                 );
 440                                         }
 441                                         elseif(strstr($name,'_') || strstr($name,' ')) {
 442                                                 $newname = str_replace('_',' ',$name);
 443                                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
 444                                                         dbesc($newname),
 445                                                         intval($profile_uid)
 446                                                 );
 447                                         }
 448                                         else {
 449                                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
 450                                                         dbesc($name),
 451                                                         dbesc($name),
 452                                                         intval($profile_uid)
 453                                                 );
 454                                         }
 455                                         if(count($r)) {
 456                                                 $profile = $r[0]['url'];
 457                                                 if($r[0]['network'] === 'stat') {
 458                                                         $newname = $r[0]['nick'];
 459                                                         $stat = true;
 460                                                         if($r[0]['alias'])
 461                                                                 $alias = $r[0]['alias'];
 462                                                 }
 463                                                 else
 464                                                         $newname = $r[0]['name'];
 465                                                 if(strlen($inform))
 466                                                         $inform .= ',';
 467                                                 $inform .= 'cid:' . $r[0]['id'];
 468                                         }
 469                                 }
 470                                 if($profile) {
 471                                         $body = str_replace('@' . $name, '@' . '[url=' . $profile . ']' . $newname      . '[/url]', $body);
 472                                         $profile = str_replace(',','%2c',$profile);
 473                                         $newtag = '@[url=' . $profile . ']' . $newname  . '[/url]';
 474                                         if(! stristr($str_tags,$newtag)) {
 475                                                 if(strlen($str_tags))
 476                                                         $str_tags .= ',';
 477                                                 $str_tags .= $newtag;
 478                                         }
 479
 480                                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
 481                                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
 482
 483                                         if(strlen($alias)) {
 484                                                 $newtag = '@[url=' . $alias . ']' . $newname    . '[/url]';
 485                                                 if(! stristr($str_tags,$newtag)) {
 486                                                         if(strlen($str_tags))
 487                                                                 $str_tags .= ',';
 488                                                         $str_tags .= $newtag;
 489                                                 }
 490                                         }
 491                                 }
 492                         }
 493                 }
 494         }
 495
 496         $attachments = '';
 497         $match = false;
 498
 499         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 500                 foreach($match[2] as $mtch) {
 501                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 502                                 intval($profile_uid),
 503                                 intval($mtch)
 504                         );
 505                         if(count($r)) {
 506                                 if(strlen($attachments))
 507                                         $attachments .= ',';
 508                                 $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]';
 509                         }
 510                         $body = str_replace($match[1],'',$body);
 511                 }
 512         }
 513
 514         $wall = 0;
 515
 516         if($post_type === 'wall' || $post_type === 'wall-comment')
 517                 $wall = 1;
 518
 519         if(! strlen($verb))
 520                 $verb = ACTIVITY_POST ;
 521
 522         $gravity = (($parent) ? 6 : 0 );
 523
 524         // even if the post arrived via API we are considering that it
 525         // originated on this site by default for determining relayability.
 526
 527         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 528
 529         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 530
 531         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 532
 533         $datarray = array();
 534         $datarray['uid']           = $profile_uid;
 535         $datarray['type']          = $post_type;
 536         $datarray['wall']          = $wall;
 537         $datarray['gravity']       = $gravity;
 538         $datarray['contact-id']    = $contact_id;
 539         $datarray['owner-name']    = $contact_record['name'];
 540         $datarray['owner-link']    = $contact_record['url'];
 541         $datarray['owner-avatar']  = $contact_record['thumb'];
 542         $datarray['author-name']   = $author['name'];
 543         $datarray['author-link']   = $author['url'];
 544         $datarray['author-avatar'] = $author['thumb'];
 545         $datarray['created']       = datetime_convert();
 546         $datarray['edited']        = datetime_convert();
 547         $datarray['commented']     = datetime_convert();
 548         $datarray['received']      = datetime_convert();
 549         $datarray['changed']       = datetime_convert();
 550         $datarray['uri']           = $uri;
 551         $datarray['title']         = $title;
 552         $datarray['body']          = $body;
 553         $datarray['app']           = $app;
 554         $datarray['location']      = $location;
 555         $datarray['coord']         = $coord;
 556         $datarray['tag']           = $str_tags;
 557         $datarray['inform']        = $inform;
 558         $datarray['verb']          = $verb;
 559         $datarray['allow_cid']     = $str_contact_allow;
 560         $datarray['allow_gid']     = $str_group_allow;
 561         $datarray['deny_cid']      = $str_contact_deny;
 562         $datarray['deny_gid']      = $str_group_deny;
 563         $datarray['private']       = $private;
 564         $datarray['pubmail']       = $pubmail_enable;
 565         $datarray['attach']        = $attachments;
 566         $datarray['bookmark']      = intval($bookmark);
 567         $datarray['thr-parent']    = $thr_parent;
 568         $datarray['postopts']      = '';
 569         $datarray['origin']        = $origin;
 570
 571         /**
 572          * These fields are for the convenience of plugins...
 573          * 'self' if true indicates the owner is posting on their own wall
 574          * If parent is 0 it is a top-level post.
 575          */
 576
 577         $datarray['parent']        = $parent;
 578         $datarray['self']          = $self;
 579 //      $datarray['prvnets']       = $user['prvnets'];
 580
 581         if($orig_post)
 582                 $datarray['edit']      = true;
 583         else
 584                 $datarray['guid']      = get_guid();
 585
 586         // preview mode - prepare the body for display and send it via json
 587
 588         if($preview) {
 589                 $b = prepare_body($datarray,true);
 590                 require_once('include/conversation.php');
 591                 $o = conversation(&$a,array(array_merge($contact_record,$datarray)),'search',false,true);
 592                 $json = array('preview' => $o);
 593                 echo json_encode($json);
 594                 killme();
 595         }
 596
 597
 598         call_hooks('post_local',$datarray);
 599
 600
 601         if($orig_post) {
 602                 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
 603                         dbesc($body),
 604                         dbesc(datetime_convert()),
 605                         intval($post_id),
 606                         intval($profile_uid)
 607                 );
 608
 609                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 610                 if((x($_POST,'return')) && strlen($return_path)) {
 611                         logger('return: ' . $return_path);
 612                         goaway($a->get_baseurl() . "/" . $return_path );
 613                 }
 614                 killme();
 615         }
 616         else
 617                 $post_id = 0;
 618
 619
 620         $r = q("INSERT INTO `item` (`guid`, `uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 621                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 622                 `tag`, `inform`, `verb`, `postopts`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin` )
 623                 VALUES( '%s', %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d )",
 624                 dbesc($datarray['guid']),
 625                 intval($datarray['uid']),
 626                 dbesc($datarray['type']),
 627                 intval($datarray['wall']),
 628                 intval($datarray['gravity']),
 629                 intval($datarray['contact-id']),
 630                 dbesc($datarray['owner-name']),
 631                 dbesc($datarray['owner-link']),
 632                 dbesc($datarray['owner-avatar']),
 633                 dbesc($datarray['author-name']),
 634                 dbesc($datarray['author-link']),
 635                 dbesc($datarray['author-avatar']),
 636                 dbesc($datarray['created']),
 637                 dbesc($datarray['edited']),
 638                 dbesc($datarray['commented']),
 639                 dbesc($datarray['received']),
 640                 dbesc($datarray['changed']),
 641                 dbesc($datarray['uri']),
 642                 dbesc($datarray['thr-parent']),
 643                 dbesc($datarray['title']),
 644                 dbesc($datarray['body']),
 645                 dbesc($datarray['app']),
 646                 dbesc($datarray['location']),
 647                 dbesc($datarray['coord']),
 648                 dbesc($datarray['tag']),
 649                 dbesc($datarray['inform']),
 650                 dbesc($datarray['verb']),
 651                 dbesc($datarray['postopts']),
 652                 dbesc($datarray['allow_cid']),
 653                 dbesc($datarray['allow_gid']),
 654                 dbesc($datarray['deny_cid']),
 655                 dbesc($datarray['deny_gid']),
 656                 intval($datarray['private']),
 657                 intval($datarray['pubmail']),
 658                 dbesc($datarray['attach']),
 659                 intval($datarray['bookmark']),
 660                 intval($datarray['origin'])
 661         );
 662
 663         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 664                 dbesc($datarray['uri']));
 665         if(count($r)) {
 666                 $post_id = $r[0]['id'];
 667                 logger('mod_item: saved item ' . $post_id);
 668
 669                 if($parent) {
 670
 671                         // This item is the last leaf and gets the comment box, clear any ancestors
 672                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 673                                 dbesc(datetime_convert()),
 674                                 intval($parent)
 675                         );
 676
 677                         // Inherit ACL's from the parent item.
 678
 679                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 680                                 WHERE `id` = %d LIMIT 1",
 681                                 dbesc($parent_item['allow_cid']),
 682                                 dbesc($parent_item['allow_gid']),
 683                                 dbesc($parent_item['deny_cid']),
 684                                 dbesc($parent_item['deny_gid']),
 685                                 intval($parent_item['private']),
 686                                 intval($post_id)
 687                         );
 688
 689                         if($contact_record != $author) {
 690                                 notification(array(
 691                                         'type'         => NOTIFY_COMMENT,
 692                                         'notify_flags' => $user['notify-flags'],
 693                                         'language'     => $user['language'],
 694                                         'to_name'      => $user['username'],
 695                                         'to_email'     => $user['email'],
 696                                         'item'         => $datarray,
 697                                         'link'             => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 698                                         'source_name'  => $datarray['author-name'],
 699                                         'source_link'  => $datarray['author-link'],
 700                                         'source_photo' => $datarray['author-avatar'],
 701                                         'verb'         => ACTIVITY_POST,
 702                                         'otype'        => 'item'
 703                                 ));
 704
 705                         }
 706
 707                         // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
 708
 709                         if($self) {
 710                                 require_once('include/bb2diaspora.php');
 711                                 $signed_body = html_entity_decode(bb2diaspora($datarray['body']));
 712                                 $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 713                                 if($datarray['verb'] === ACTIVITY_LIKE)
 714                                         $signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr;
 715                                 else
 716                                 $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr;
 717
 718                                 $authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256'));
 719
 720                                 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
 721                                         intval($post_id),
 722                         dbesc($signed_text),
 723                         dbesc(base64_encode($authorsig)),
 724                         dbesc($myaddr)
 725                         );
 726                         }
 727                 }
 728                 else {
 729                         $parent = $post_id;
 730
 731                         if($contact_record != $author) {
 732                                 notification(array(
 733                                         'type'         => NOTIFY_WALL,
 734                                         'notify_flags' => $user['notify-flags'],
 735                                         'language'     => $user['language'],
 736                                         'to_name'      => $user['username'],
 737                                         'to_email'     => $user['email'],
 738                                         'item'         => $datarray,
 739                                         'link'             => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 740                                         'source_name'  => $datarray['author-name'],
 741                                         'source_link'  => $datarray['author-link'],
 742                                         'source_photo' => $datarray['author-avatar'],
 743                                         'verb'         => ACTIVITY_POST,
 744                                         'otype'        => 'item'
 745                                 ));
 746                         }
 747                 }
 748
 749                 // fallback so that parent always gets set to non-zero.
 750
 751                 if(! $parent)
 752                         $parent = $post_id;
 753
 754                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 755                         WHERE `id` = %d LIMIT 1",
 756                         intval($parent),
 757                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 758                         dbesc($a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id),
 759                         dbesc(datetime_convert()),
 760                         intval($post_id)
 761                 );
 762
 763                 // photo comments turn the corresponding item visible to the profile wall
 764                 // This way we don't see every picture in your new photo album posted to your wall at once.
 765                 // They will show up as people comment on them.
 766
 767                 if(! $parent_item['visible']) {
 768                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 769                                 intval($parent_item['id'])
 770                         );
 771                 }
 772         }
 773         else {
 774                 logger('mod_item: unable to retrieve post that was just stored.');
 775                 notify( t('System error. Post not saved.'));
 776                 goaway($a->get_baseurl() . "/" . $return_path );
 777                 // NOTREACHED
 778         }
 779
 780         // update the commented timestamp on the parent
 781
 782         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 783                 dbesc(datetime_convert()),
 784                 dbesc(datetime_convert()),
 785                 intval($parent)
 786         );
 787
 788         $datarray['id']    = $post_id;
 789         $datarray['plink'] = $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id;
 790
 791         call_hooks('post_local_end', $datarray);
 792
 793         if(strlen($emailcc) && $profile_uid == local_user()) {
 794                 $erecips = explode(',', $emailcc);
 795                 if(count($erecips)) {
 796                         foreach($erecips as $recip) {
 797                                 $addr = trim($recip);
 798                                 if(! strlen($addr))
 799                                         continue;
 800                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 801                                         . '<br />';
 802                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 803                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 804
 805                                 $subject  = '[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']);
 806                                 $headers  = 'From: ' . $a->user['username'] . ' <' . $a->user['email'] . '>' . "\n";
 807                                 $headers .= 'MIME-Version: 1.0' . "\n";
 808                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 809                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 810                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 811                                 $html    = prepare_body($datarray);
 812                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 813                                 @mail($addr, $subject, $message, $headers);
 814                         }
 815                 }
 816         }
 817
 818         // This is a real juggling act on shared hosting services which kill your processes
 819         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
 820         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
 821         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
 822         // likely to get killed off. If you end up looking at an /item URL and a blank page,
 823         // it's very likely the delivery got killed before all your friends could be notified.
 824         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
 825         // or cut back on plugins which do remote deliveries.
 826
 827         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
 828
 829         logger('post_complete');
 830
 831         // figure out how to return, depending on from whence we came
 832
 833         if($api_source)
 834                 return;
 835
 836         if($return_path) {
 837                 goaway($a->get_baseurl() . "/" . $return_path);
 838         }
 839
 840         $json = array('success' => 1);
 841         if(x($_POST,'jsreload') && strlen($_POST['jsreload']))
 842                 $json['reload'] = $a->get_baseurl() . '/' . $_POST['jsreload'];
 843
 844         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
 845
 846         echo json_encode($json);
 847         killme();
 848         // NOTREACHED
 849 }
 850
 851
 852
 853
 854
 855 function item_content(&$a) {
 856
 857         if((! local_user()) && (! remote_user()))
 858                 return;
 859
 860         require_once('include/security.php');
 861
 862         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 863                 require_once('include/items.php');
 864                 drop_item($a->argv[2]);
 865         }
 866 }