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