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(&$a) {
  22
  23         if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
  24                 return;
  25
  26         require_once('include/security.php');
  27
  28         $uid = local_user();
  29
  30         if(x($_REQUEST,'dropitems')) {
  31                 require_once('include/items.php');
  32                 $arr_drop = explode(',',$_REQUEST['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', $_REQUEST);
  40 //      logger('postinput ' . file_get_contents('php://input'));
  41         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  42
  43         $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
  44         $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
  45         $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
  46
  47         /**
  48          * Is this a reply to something?
  49          */
  50
  51         $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
  52         $parent_uri = ((x($_REQUEST,'parent_uri')) ? trim($_REQUEST['parent_uri']) : '');
  53
  54         $parent_item = null;
  55         $parent_contact = null;
  56         $thr_parent = '';
  57         $parid = 0;
  58         $r = false;
  59
  60         if($parent || $parent_uri) {
  61
  62                 if(! x($_REQUEST,'type'))
  63                         $_REQUEST['type'] = 'net-comment';
  64
  65                 if($parent) {
  66                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  67                                 intval($parent)
  68                         );
  69                 }
  70                 elseif($parent_uri && local_user()) {
  71                         // This is coming from an API source, and we are logged in
  72                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  73                                 dbesc($parent_uri),
  74                                 intval(local_user())
  75                         );
  76                 }
  77                 // if this isn't the real parent of the conversation, find it
  78                 if($r !== false && count($r)) {
  79                         $parid = $r[0]['parent'];
  80                         if($r[0]['id'] != $r[0]['parent']) {
  81                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
  82                                         intval($parid)
  83                                 );
  84                         }
  85                 }
  86
  87                 if(($r === false) || (! count($r))) {
  88                         notice( t('Unable to locate original post.') . EOL);
  89                         if(x($_REQUEST,'return'))
  90                                 goaway($a->get_baseurl() . "/" . $return_path );
  91                         killme();
  92                 }
  93                 $parent_item = $r[0];
  94                 $parent = $r[0]['id'];
  95
  96                 // multi-level threading - preserve the info but re-parent to our single level threading
  97                 if(($parid) && ($parid != $parent))
  98                         $thr_parent = $parent_uri;
  99
 100                 if($parent_item['contact-id'] && $uid) {
 101                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 102                                 intval($parent_item['contact-id']),
 103                                 intval($uid)
 104                         );
 105                         if(count($r))
 106                                 $parent_contact = $r[0];
 107                 }
 108         }
 109
 110         if($parent) logger('mod_post: parent=' . $parent);
 111
 112         $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
 113         $post_id     = ((x($_REQUEST,'post_id'))     ? intval($_REQUEST['post_id'])     : 0);
 114         $app         = ((x($_REQUEST,'source'))      ? strip_tags($_REQUEST['source'])  : '');
 115
 116         $allow_moderated = false;
 117
 118         // here is where we are going to check for permission to post a moderated comment.
 119
 120         // First check that the parent exists and it is a wall item.
 121
 122         if((x($_REQUEST,'commenter')) && ((! $parent) || (! $parent_item['wall']))) {
 123                 notice( t('Permission denied.') . EOL) ;
 124                 if(x($_REQUEST,'return'))
 125                         goaway($a->get_baseurl() . "/" . $return_path );
 126                 killme();
 127         }
 128
 129         // Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 130         // have been provided, and run any anti-spam plugins
 131
 132
 133         // TODO
 134
 135
 136
 137
 138         if((! can_write_wall($a,$profile_uid)) && (! $allow_moderated)) {
 139                 notice( t('Permission denied.') . EOL) ;
 140                 if(x($_REQUEST,'return'))
 141                         goaway($a->get_baseurl() . "/" . $return_path );
 142                 killme();
 143         }
 144
 145
 146         // is this an edited post?
 147
 148         $orig_post = null;
 149
 150         if($post_id) {
 151                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 152                         intval($profile_uid),
 153                         intval($post_id)
 154                 );
 155                 if(! count($i))
 156                         killme();
 157                 $orig_post = $i[0];
 158         }
 159
 160         $user = null;
 161
 162         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 163                 intval($profile_uid)
 164         );
 165         if(count($r))
 166                 $user = $r[0];
 167
 168         if($orig_post) {
 169                 $str_group_allow   = $orig_post['allow_gid'];
 170                 $str_contact_allow = $orig_post['allow_cid'];
 171                 $str_group_deny    = $orig_post['deny_gid'];
 172                 $str_contact_deny  = $orig_post['deny_cid'];
 173                 $title             = $orig_post['title'];
 174                 $location          = $orig_post['location'];
 175                 $coord             = $orig_post['coord'];
 176                 $verb              = $orig_post['verb'];
 177                 $emailcc           = $orig_post['emailcc'];
 178                 $app                       = $orig_post['app'];
 179
 180                 $body              = escape_tags(trim($_REQUEST['body']));
 181                 $private           = $orig_post['private'];
 182                 $pubmail_enable    = $orig_post['pubmail'];
 183         }
 184         else {
 185
 186                 // if coming from the API and no privacy settings are set,
 187                 // use the user default permissions - as they won't have
 188                 // been supplied via a form.
 189
 190                 if(($api_source)
 191                         && (! array_key_exists('contact_allow',$_REQUEST))
 192                         && (! array_key_exists('group_allow',$_REQUEST))
 193                         && (! array_key_exists('contact_deny',$_REQUEST))
 194                         && (! array_key_exists('group_deny',$_REQUEST))) {
 195                         $str_group_allow   = $user['allow_gid'];
 196                         $str_contact_allow = $user['allow_cid'];
 197                         $str_group_deny    = $user['deny_gid'];
 198                         $str_contact_deny  = $user['deny_cid'];
 199                 }
 200                 else {
 201
 202                         // use the posted permissions
 203
 204                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 205                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 206                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 207                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 208                 }
 209
 210                 $title             = notags(trim($_REQUEST['title']));
 211                 $location          = notags(trim($_REQUEST['location']));
 212                 $coord             = notags(trim($_REQUEST['coord']));
 213                 $verb              = notags(trim($_REQUEST['verb']));
 214                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 215
 216                 $body              = escape_tags(trim($_REQUEST['body']));
 217                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 218
 219                 if(($parent_item) &&
 220                         (($parent_item['private'])
 221                                 || strlen($parent_item['allow_cid'])
 222                                 || strlen($parent_item['allow_gid'])
 223                                 || strlen($parent_item['deny_cid'])
 224                                 || strlen($parent_item['deny_gid'])
 225                         )) {
 226                         $private = 1;
 227                 }
 228
 229                 $pubmail_enable    = ((x($_REQUEST,'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && (! $private)) ? 1 : 0);
 230
 231                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 232
 233                 if($api_source && $profile_uid && $profile_uid == local_user() && (! $private)) {
 234                         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 235                         if(! $mail_disabled) {
 236                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 237                                         intval(local_user())
 238                                 );
 239                                 if(count($r) && intval($r[0]['pubmail']))
 240                                         $pubmail_enabled = true;
 241                         }
 242                 }
 243
 244
 245                 if(! strlen($body)) {
 246                         if($preview)
 247                                 killme();
 248                         info( t('Empty post discarded.') . EOL );
 249                         if(x($_REQUEST,'return'))
 250                                 goaway($a->get_baseurl() . "/" . $return_path );
 251                         killme();
 252                 }
 253         }
 254
 255
 256
 257         // get contact info for poster
 258
 259         $author = null;
 260         $self   = false;
 261
 262         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
 263                 $self = true;
 264                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 265                         intval($_SESSION['uid'])
 266                 );
 267         }
 268         else {
 269                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
 270                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 271                                 intval($_SESSION['visitor_id'])
 272                         );
 273                 }
 274         }
 275
 276         if(count($r)) {
 277                 $author = $r[0];
 278                 $contact_id = $author['id'];
 279         }
 280
 281         // get contact info for owner
 282
 283         if($profile_uid == $_SESSION['uid']) {
 284                 $contact_record = $author;
 285         }
 286         else {
 287                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 288                         intval($profile_uid)
 289                 );
 290                 if(count($r))
 291                         $contact_record = $r[0];
 292         }
 293
 294
 295
 296         $post_type = notags(trim($_REQUEST['type']));
 297
 298         if($post_type === 'net-comment') {
 299                 if($parent_item !== null) {
 300                         if($parent_item['wall'] == 1)
 301                                 $post_type = 'wall-comment';
 302                         else
 303                                 $post_type = 'remote-comment';
 304                 }
 305         }
 306
 307         /**
 308          *
 309          * When a photo was uploaded into the message using the (profile wall) ajax
 310          * uploader, The permissions are initially set to disallow anybody but the
 311          * owner from seeing it. This is because the permissions may not yet have been
 312          * set for the post. If it's private, the photo permissions should be set
 313          * appropriately. But we didn't know the final permissions on the post until
 314          * now. So now we'll look for links of uploaded messages that are in the
 315          * post and set them to the same permissions as the post itself.
 316          *
 317          */
 318
 319         $match = null;
 320
 321         if((! $preview) && preg_match_all("/\[img\](.*?)\[\/img\]/",$body,$match)) {
 322                 $images = $match[1];
 323                 if(count($images)) {
 324                         foreach($images as $image) {
 325                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 326                                         continue;
 327                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 328                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 329                                 if(! strlen($image_uri))
 330                                         continue;
 331                                 $srch = '<' . intval($profile_uid) . '>';
 332                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 333                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 334                                         dbesc($srch),
 335                                         dbesc($image_uri),
 336                                         intval($profile_uid)
 337                                 );
 338                                 if(! count($r))
 339                                         continue;
 340
 341
 342                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 343                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 344                                         dbesc($str_contact_allow),
 345                                         dbesc($str_group_allow),
 346                                         dbesc($str_contact_deny),
 347                                         dbesc($str_group_deny),
 348                                         dbesc($image_uri),
 349                                         intval($profile_uid),
 350                                         dbesc( t('Wall Photos'))
 351                                 );
 352
 353                         }
 354                 }
 355         }
 356
 357
 358         /**
 359          * Next link in any attachment references we find in the post.
 360          */
 361
 362         $match = false;
 363
 364         if((! $preview) && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
 365                 $attaches = $match[1];
 366                 if(count($attaches)) {
 367                         foreach($attaches as $attach) {
 368                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 369                                         intval($profile_uid),
 370                                         intval($attach)
 371                                 );
 372                                 if(count($r)) {
 373                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 374                                                 WHERE `uid` = %d AND `id` = %d LIMIT 1",
 375                                                 dbesc($str_contact_allow),
 376                                                 dbesc($str_group_allow),
 377                                                 dbesc($str_contact_deny),
 378                                                 dbesc($str_group_deny),
 379                                                 intval($profile_uid),
 380                                                 intval($attach)
 381                                         );
 382                                 }
 383                         }
 384                 }
 385         }
 386
 387         // embedded bookmark in post? set bookmark flag
 388
 389         $bookmark = 0;
 390         if(preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$body,$match,PREG_SET_ORDER)) {
 391                 $bookmark = 1;
 392         }
 393
 394         $body = bb_translate_video($body);
 395
 396         /**
 397          * Fold multi-line [code] sequences
 398          */
 399
 400         $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
 401
 402         /**
 403          * Look for any tags and linkify them
 404          */
 405
 406         $str_tags = '';
 407         $inform   = '';
 408
 409
 410         $tags = get_tags($body);
 411
 412         /**
 413          * add a statusnet style reply tag if the original post was from there
 414          * and we are replying, and there isn't one already
 415          */
 416
 417         if(($parent_contact) && ($parent_contact['network'] === NETWORK_OSTATUS)
 418                 && ($parent_contact['nick']) && (! in_array('@' . $parent_contact['nick'],$tags))) {
 419                 $body = '@' . $parent_contact['nick'] . ' ' . $body;
 420                 $tags[] = '@' . $parent_contact['nick'];
 421         }
 422
 423         if(count($tags)) {
 424                 foreach($tags as $tag) {
 425
 426                         if(isset($profile))
 427                                 unset($profile);
 428                         if(strpos($tag,'#') === 0) {
 429                                 if(strpos($tag,'[url='))
 430                                         continue;
 431                                 $basetag = str_replace('_',' ',substr($tag,1));
 432                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 433
 434                                 $newtag = '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 435                                 if(! stristr($str_tags,$newtag)) {
 436                                         if(strlen($str_tags))
 437                                                 $str_tags .= ',';
 438                                         $str_tags .= $newtag;
 439                                 }
 440                                 continue;
 441                         }
 442                         if(strpos($tag,'@') === 0) {
 443                                 if(strpos($tag,'[url='))
 444                                         continue;
 445                                 $stat = false;
 446                                 $name = substr($tag,1);
 447                                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
 448                                         $newname = $name;
 449                                         $links = @lrdd($name);
 450                                         if(count($links)) {
 451                                                 foreach($links as $link) {
 452                                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 453                                         $profile = $link['@attributes']['href'];
 454                                                         if($link['@attributes']['rel'] === 'salmon') {
 455                                                                 if(strlen($inform))
 456                                                                         $inform .= ',';
 457                                         $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
 458                                                         }
 459                                                 }
 460                                         }
 461                                 }
 462                                 else {
 463                                         $newname = $name;
 464                                         $alias = '';
 465                                         $tagcid = 0;
 466                                         if(strrpos($newname,'+')) {
 467                                                 $tagcid = intval(substr($newname,strrpos($newname,'+') + 1));
 468                                                 if(strpos($name,' '))
 469                                                         $name = substr($name,0,strpos($name,' '));
 470                                         }
 471                                         if($tagcid) {
 472                                                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 473                                                         intval($tagcid),
 474                                                         intval($profile_uid)
 475                                                 );
 476                                         }
 477                                         elseif(strstr($name,'_') || strstr($name,' ')) {
 478                                                 $newname = str_replace('_',' ',$name);
 479                                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
 480                                                         dbesc($newname),
 481                                                         intval($profile_uid)
 482                                                 );
 483                                         }
 484                                         else {
 485                                                 $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
 486                                                         dbesc($name),
 487                                                         dbesc($name),
 488                                                         intval($profile_uid)
 489                                                 );
 490                                         }
 491                                         if(count($r)) {
 492                                                 $profile = $r[0]['url'];
 493                                                 if($r[0]['network'] === 'stat') {
 494                                                         $newname = $r[0]['nick'];
 495                                                         $stat = true;
 496                                                         if($r[0]['alias'])
 497                                                                 $alias = $r[0]['alias'];
 498                                                 }
 499                                                 else
 500                                                         $newname = $r[0]['name'];
 501                                                 if(strlen($inform))
 502                                                         $inform .= ',';
 503                                                 $inform .= 'cid:' . $r[0]['id'];
 504                                         }
 505                                 }
 506                                 if($profile) {
 507                                         $body = str_replace('@' . $name, '@' . '[url=' . $profile . ']' . $newname      . '[/url]', $body);
 508                                         $profile = str_replace(',','%2c',$profile);
 509                                         $newtag = '@[url=' . $profile . ']' . $newname  . '[/url]';
 510                                         if(! stristr($str_tags,$newtag)) {
 511                                                 if(strlen($str_tags))
 512                                                         $str_tags .= ',';
 513                                                 $str_tags .= $newtag;
 514                                         }
 515
 516                                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
 517                                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
 518
 519                                         if(strlen($alias)) {
 520                                                 $newtag = '@[url=' . $alias . ']' . $newname    . '[/url]';
 521                                                 if(! stristr($str_tags,$newtag)) {
 522                                                         if(strlen($str_tags))
 523                                                                 $str_tags .= ',';
 524                                                         $str_tags .= $newtag;
 525                                                 }
 526                                         }
 527                                 }
 528                         }
 529                 }
 530         }
 531
 532         $attachments = '';
 533         $match = false;
 534
 535         if(preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 536                 foreach($match[2] as $mtch) {
 537                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 538                                 intval($profile_uid),
 539                                 intval($mtch)
 540                         );
 541                         if(count($r)) {
 542                                 if(strlen($attachments))
 543                                         $attachments .= ',';
 544                                 $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]';
 545                         }
 546                         $body = str_replace($match[1],'',$body);
 547                 }
 548         }
 549
 550         $wall = 0;
 551
 552         if($post_type === 'wall' || $post_type === 'wall-comment')
 553                 $wall = 1;
 554
 555         if(! strlen($verb))
 556                 $verb = ACTIVITY_POST ;
 557
 558         $gravity = (($parent) ? 6 : 0 );
 559
 560         // even if the post arrived via API we are considering that it
 561         // originated on this site by default for determining relayability.
 562
 563         $origin = ((x($_REQUEST,'origin')) ? intval($_REQUEST['origin']) : 1);
 564
 565         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 566
 567         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 568
 569         $datarray = array();
 570         $datarray['uid']           = $profile_uid;
 571         $datarray['type']          = $post_type;
 572         $datarray['wall']          = $wall;
 573         $datarray['gravity']       = $gravity;
 574         $datarray['contact-id']    = $contact_id;
 575         $datarray['owner-name']    = $contact_record['name'];
 576         $datarray['owner-link']    = $contact_record['url'];
 577         $datarray['owner-avatar']  = $contact_record['thumb'];
 578         $datarray['author-name']   = $author['name'];
 579         $datarray['author-link']   = $author['url'];
 580         $datarray['author-avatar'] = $author['thumb'];
 581         $datarray['created']       = datetime_convert();
 582         $datarray['edited']        = datetime_convert();
 583         $datarray['commented']     = datetime_convert();
 584         $datarray['received']      = datetime_convert();
 585         $datarray['changed']       = datetime_convert();
 586         $datarray['uri']           = $uri;
 587         $datarray['title']         = $title;
 588         $datarray['body']          = $body;
 589         $datarray['app']           = $app;
 590         $datarray['location']      = $location;
 591         $datarray['coord']         = $coord;
 592         $datarray['tag']           = $str_tags;
 593         $datarray['inform']        = $inform;
 594         $datarray['verb']          = $verb;
 595         $datarray['allow_cid']     = $str_contact_allow;
 596         $datarray['allow_gid']     = $str_group_allow;
 597         $datarray['deny_cid']      = $str_contact_deny;
 598         $datarray['deny_gid']      = $str_group_deny;
 599         $datarray['private']       = $private;
 600         $datarray['pubmail']       = $pubmail_enable;
 601         $datarray['attach']        = $attachments;
 602         $datarray['bookmark']      = intval($bookmark);
 603         $datarray['thr-parent']    = $thr_parent;
 604         $datarray['postopts']      = '';
 605         $datarray['origin']        = $origin;
 606         $datarray['moderated']     = $allow_moderated;
 607
 608         /**
 609          * These fields are for the convenience of plugins...
 610          * 'self' if true indicates the owner is posting on their own wall
 611          * If parent is 0 it is a top-level post.
 612          */
 613
 614         $datarray['parent']        = $parent;
 615         $datarray['self']          = $self;
 616 //      $datarray['prvnets']       = $user['prvnets'];
 617
 618         if($orig_post)
 619                 $datarray['edit']      = true;
 620         else
 621                 $datarray['guid']      = get_guid();
 622
 623         // preview mode - prepare the body for display and send it via json
 624
 625         if($preview) {
 626                 require_once('include/conversation.php');
 627                 $o = conversation(&$a,array(array_merge($contact_record,$datarray)),'search',false,true);
 628                 logger('preview: ' . $o);
 629                 echo json_encode(array('preview' => $o));
 630                 killme();
 631         }
 632
 633
 634         call_hooks('post_local',$datarray);
 635
 636         if(x($datarray,'cancel')) {
 637                 logger('mod_item: post cancelled by plugin.');
 638                 if($return_path) {
 639                         goaway($a->get_baseurl() . "/" . $return_path);
 640                 }
 641
 642                 $json = array('cancel' => 1);
 643                 if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 644                         $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 645
 646                 echo json_encode($json);
 647                 killme();
 648         }
 649
 650
 651         if($orig_post) {
 652                 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
 653                         dbesc($body),
 654                         dbesc(datetime_convert()),
 655                         intval($post_id),
 656                         intval($profile_uid)
 657                 );
 658
 659                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 660                 if((x($_REQUEST,'return')) && strlen($return_path)) {
 661                         logger('return: ' . $return_path);
 662                         goaway($a->get_baseurl() . "/" . $return_path );
 663                 }
 664                 killme();
 665         }
 666         else
 667                 $post_id = 0;
 668
 669
 670         $r = q("INSERT INTO `item` (`guid`, `uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 671                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
 672                 `tag`, `inform`, `verb`, `postopts`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated` )
 673                 VALUES( '%s', %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d )",
 674                 dbesc($datarray['guid']),
 675                 intval($datarray['uid']),
 676                 dbesc($datarray['type']),
 677                 intval($datarray['wall']),
 678                 intval($datarray['gravity']),
 679                 intval($datarray['contact-id']),
 680                 dbesc($datarray['owner-name']),
 681                 dbesc($datarray['owner-link']),
 682                 dbesc($datarray['owner-avatar']),
 683                 dbesc($datarray['author-name']),
 684                 dbesc($datarray['author-link']),
 685                 dbesc($datarray['author-avatar']),
 686                 dbesc($datarray['created']),
 687                 dbesc($datarray['edited']),
 688                 dbesc($datarray['commented']),
 689                 dbesc($datarray['received']),
 690                 dbesc($datarray['changed']),
 691                 dbesc($datarray['uri']),
 692                 dbesc($datarray['thr-parent']),
 693                 dbesc($datarray['title']),
 694                 dbesc($datarray['body']),
 695                 dbesc($datarray['app']),
 696                 dbesc($datarray['location']),
 697                 dbesc($datarray['coord']),
 698                 dbesc($datarray['tag']),
 699                 dbesc($datarray['inform']),
 700                 dbesc($datarray['verb']),
 701                 dbesc($datarray['postopts']),
 702                 dbesc($datarray['allow_cid']),
 703                 dbesc($datarray['allow_gid']),
 704                 dbesc($datarray['deny_cid']),
 705                 dbesc($datarray['deny_gid']),
 706                 intval($datarray['private']),
 707                 intval($datarray['pubmail']),
 708                 dbesc($datarray['attach']),
 709                 intval($datarray['bookmark']),
 710                 intval($datarray['origin']),
 711                 intval($datarry['moderated'])
 712         );
 713
 714         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 715                 dbesc($datarray['uri']));
 716         if(count($r)) {
 717                 $post_id = $r[0]['id'];
 718                 logger('mod_item: saved item ' . $post_id);
 719
 720                 if($parent) {
 721
 722                         // This item is the last leaf and gets the comment box, clear any ancestors
 723                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 724                                 dbesc(datetime_convert()),
 725                                 intval($parent)
 726                         );
 727
 728                         // Inherit ACL's from the parent item.
 729
 730                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 731                                 WHERE `id` = %d LIMIT 1",
 732                                 dbesc($parent_item['allow_cid']),
 733                                 dbesc($parent_item['allow_gid']),
 734                                 dbesc($parent_item['deny_cid']),
 735                                 dbesc($parent_item['deny_gid']),
 736                                 intval($parent_item['private']),
 737                                 intval($post_id)
 738                         );
 739
 740                         if($contact_record != $author) {
 741                                 notification(array(
 742                                         'type'         => NOTIFY_COMMENT,
 743                                         'notify_flags' => $user['notify-flags'],
 744                                         'language'     => $user['language'],
 745                                         'to_name'      => $user['username'],
 746                                         'to_email'     => $user['email'],
 747                                         'item'         => $datarray,
 748                                         'link'             => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 749                                         'source_name'  => $datarray['author-name'],
 750                                         'source_link'  => $datarray['author-link'],
 751                                         'source_photo' => $datarray['author-avatar'],
 752                                         'verb'         => ACTIVITY_POST,
 753                                         'otype'        => 'item'
 754                                 ));
 755
 756                         }
 757
 758                         // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
 759
 760                         if($self) {
 761                                 require_once('include/bb2diaspora.php');
 762                                 $signed_body = html_entity_decode(bb2diaspora($datarray['body']));
 763                                 $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 764                                 if($datarray['verb'] === ACTIVITY_LIKE)
 765                                         $signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr;
 766                                 else
 767                                 $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr;
 768
 769                                 $authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256'));
 770
 771                                 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
 772                                         intval($post_id),
 773                         dbesc($signed_text),
 774                         dbesc(base64_encode($authorsig)),
 775                         dbesc($myaddr)
 776                         );
 777                         }
 778                 }
 779                 else {
 780                         $parent = $post_id;
 781
 782                         if($contact_record != $author) {
 783                                 notification(array(
 784                                         'type'         => NOTIFY_WALL,
 785                                         'notify_flags' => $user['notify-flags'],
 786                                         'language'     => $user['language'],
 787                                         'to_name'      => $user['username'],
 788                                         'to_email'     => $user['email'],
 789                                         'item'         => $datarray,
 790                                         'link'             => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 791                                         'source_name'  => $datarray['author-name'],
 792                                         'source_link'  => $datarray['author-link'],
 793                                         'source_photo' => $datarray['author-avatar'],
 794                                         'verb'         => ACTIVITY_POST,
 795                                         'otype'        => 'item'
 796                                 ));
 797                         }
 798                 }
 799
 800                 // fallback so that parent always gets set to non-zero.
 801
 802                 if(! $parent)
 803                         $parent = $post_id;
 804
 805                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 806                         WHERE `id` = %d LIMIT 1",
 807                         intval($parent),
 808                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 809                         dbesc($a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id),
 810                         dbesc(datetime_convert()),
 811                         intval($post_id)
 812                 );
 813
 814                 // photo comments turn the corresponding item visible to the profile wall
 815                 // This way we don't see every picture in your new photo album posted to your wall at once.
 816                 // They will show up as people comment on them.
 817
 818                 if(! $parent_item['visible']) {
 819                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 820                                 intval($parent_item['id'])
 821                         );
 822                 }
 823         }
 824         else {
 825                 logger('mod_item: unable to retrieve post that was just stored.');
 826                 notify( t('System error. Post not saved.'));
 827                 goaway($a->get_baseurl() . "/" . $return_path );
 828                 // NOTREACHED
 829         }
 830
 831         // update the commented timestamp on the parent
 832
 833         q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 834                 dbesc(datetime_convert()),
 835                 dbesc(datetime_convert()),
 836                 intval($parent)
 837         );
 838
 839         $datarray['id']    = $post_id;
 840         $datarray['plink'] = $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id;
 841
 842         call_hooks('post_local_end', $datarray);
 843
 844         if(strlen($emailcc) && $profile_uid == local_user()) {
 845                 $erecips = explode(',', $emailcc);
 846                 if(count($erecips)) {
 847                         foreach($erecips as $recip) {
 848                                 $addr = trim($recip);
 849                                 if(! strlen($addr))
 850                                         continue;
 851                                 $disclaimer = '<hr />' . sprintf( t('This message was sent to you by %s, a member of the Friendica social network.'),$a->user['username'])
 852                                         . '<br />';
 853                                 $disclaimer .= sprintf( t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
 854                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 855
 856                                 $subject  = '[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']);
 857                                 $headers  = 'From: ' . $a->user['username'] . ' <' . $a->user['email'] . '>' . "\n";
 858                                 $headers .= 'MIME-Version: 1.0' . "\n";
 859                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 860                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 861                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 862                                 $html    = prepare_body($datarray);
 863                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 864                                 @mail($addr, $subject, $message, $headers);
 865                         }
 866                 }
 867         }
 868
 869         // This is a real juggling act on shared hosting services which kill your processes
 870         // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
 871         // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
 872         // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
 873         // likely to get killed off. If you end up looking at an /item URL and a blank page,
 874         // it's very likely the delivery got killed before all your friends could be notified.
 875         // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
 876         // or cut back on plugins which do remote deliveries.
 877
 878         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
 879
 880         logger('post_complete');
 881
 882         // figure out how to return, depending on from whence we came
 883
 884         if($api_source)
 885                 return;
 886
 887         if($return_path) {
 888                 goaway($a->get_baseurl() . "/" . $return_path);
 889         }
 890
 891         $json = array('success' => 1);
 892         if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
 893                 $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
 894
 895         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
 896
 897         echo json_encode($json);
 898         killme();
 899         // NOTREACHED
 900 }
 901
 902
 903
 904
 905
 906 function item_content(&$a) {
 907
 908         if((! local_user()) && (! remote_user()))
 909                 return;
 910
 911         require_once('include/security.php');
 912
 913         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 914                 require_once('include/items.php');
 915                 drop_item($a->argv[2]);
 916         }
 917 }