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  * All of these become an "item" which is our basic unit of
  10  * information.
  11  * Posts that originate externally or do not fall into the above
  12  * posting categories go through item_store() instead of this function.
  13  *
  14  */
  15
  16 function item_post(&$a) {
  17
  18         if((! local_user()) && (! remote_user()))
  19                 return;
  20
  21         require_once('include/security.php');
  22
  23         $uid = local_user();
  24
  25         call_hooks('post_local_start', $_POST);
  26
  27         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  28
  29         $parent_item = null;
  30         $parent_contact = null;
  31
  32         if($parent) {
  33                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  34                         intval($parent)
  35                 );
  36                 if(! count($r)) {
  37                         notice( t('Unable to locate original post.') . EOL);
  38                         if(x($_POST,'return'))
  39                                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  40                         killme();
  41                 }
  42                 $parent_item = $r[0];
  43                 if($parent_item['contact-id'] && $uid) {
  44                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
  45                                 intval($parent_item['contact-id']),
  46                                 intval($uid)
  47                         );
  48                         if(count($r))
  49                                 $parent_contact = $r[0];
  50                 }
  51         }
  52
  53         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
  54         $post_id     = ((x($_POST['post_id']))    ? intval($_POST['post_id'])     : 0);
  55
  56         if(! can_write_wall($a,$profile_uid)) {
  57                 notice( t('Permission denied.') . EOL) ;
  58                 if(x($_POST,'return'))
  59                         goaway($a->get_baseurl() . "/" . $_POST['return'] );
  60                 killme();
  61         }
  62
  63
  64         // is this an edited post?
  65
  66         $orig_post = null;
  67
  68         if($post_id) {
  69                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
  70                         intval($profile_uid),
  71                         intval($post_id)
  72                 );
  73                 if(! count($i))
  74                         killme();
  75                 $orig_post = $i[0];
  76         }
  77
  78         $user = null;
  79
  80         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
  81                 intval($profile_uid)
  82         );
  83         if(count($r))
  84                 $user = $r[0];
  85
  86         if($orig_post) {
  87                 $str_group_allow   = $orig_post['allow_gid'];
  88                 $str_contact_allow = $orig_post['allow_cid'];
  89                 $str_group_deny    = $orig_post['deny_gid'];
  90                 $str_contact_deny  = $orig_post['deny_cid'];
  91                 $title             = $orig_post['title'];
  92                 $location          = $orig_post['location'];
  93                 $coord             = $orig_post['coord'];
  94                 $verb              = $orig_post['verb'];
  95                 $emailcc           = $orig_post['emailcc'];
  96
  97                 $body              = escape_tags(trim($_POST['body']));
  98                 $private           = $orig_post['private'];
  99         }
 100         else {
 101                 $str_group_allow   = perms2str($_POST['group_allow']);
 102                 $str_contact_allow = perms2str($_POST['contact_allow']);
 103                 $str_group_deny    = perms2str($_POST['group_deny']);
 104                 $str_contact_deny  = perms2str($_POST['contact_deny']);
 105                 $title             = notags(trim($_POST['title']));
 106                 $location          = notags(trim($_POST['location']));
 107                 $coord             = notags(trim($_POST['coord']));
 108                 $verb              = notags(trim($_POST['verb']));
 109                 $emailcc           = notags(trim($_POST['emailcc']));
 110
 111                 $body              = escape_tags(trim($_POST['body']));
 112                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 113
 114                 if(($parent_item) &&
 115                         (($parent_item['private'])
 116                                 || strlen($parent_item['allow_cid'])
 117                                 || strlen($parent_item['allow_gid'])
 118                                 || strlen($parent_item['deny_cid'])
 119                                 || strlen($parent_item['deny_gid'])
 120                         )) {
 121                         $private = 1;
 122                 }
 123
 124
 125                 if(! strlen($body)) {
 126                         notice( t('Empty post discarded.') . EOL );
 127                         if(x($_POST,'return'))
 128                                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
 129                         killme();
 130                 }
 131         }
 132
 133         // get contact info for poster
 134
 135         $author = null;
 136         $self   = false;
 137
 138         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
 139                 $self = true;
 140                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 141                         intval($_SESSION['uid'])
 142                 );
 143         }
 144         else {
 145                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
 146                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 147                                 intval($_SESSION['visitor_id'])
 148                         );
 149                 }
 150         }
 151
 152         if(count($r)) {
 153                 $author = $r[0];
 154                 $contact_id = $author['id'];
 155         }
 156
 157         // get contact info for owner
 158
 159         if($profile_uid == $_SESSION['uid']) {
 160                 $contact_record = $author;
 161         }
 162         else {
 163                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 164                         intval($profile_uid)
 165                 );
 166                 if(count($r))
 167                         $contact_record = $r[0];
 168         }
 169
 170         $post_type = notags(trim($_POST['type']));
 171
 172         if($post_type === 'net-comment') {
 173                 if($parent_item !== null) {
 174                         if($parent_item['type'] === 'remote') {
 175                                 $post_type = 'remote-comment';
 176                         }
 177                         else {
 178                                 $post_type = 'wall-comment';
 179                         }
 180                 }
 181         }
 182
 183         /**
 184          *
 185          * When a photo was uploaded into the message using the (profile wall) ajax
 186          * uploader, The permissions are initially set to disallow anybody but the
 187          * owner from seeing it. This is because the permissions may not yet have been
 188          * set for the post. If it's private, the photo permissions should be set
 189          * appropriately. But we didn't know the final permissions on the post until
 190          * now. So now we'll look for links of uploaded messages that are in the
 191          * post and set them to the same permissions as the post itself.
 192          *
 193          */
 194
 195         $match = null;
 196
 197         if(preg_match_all("/\[img\](.+?)\[\/img\]/",$body,$match)) {
 198                 $images = $match[1];
 199                 if(count($images)) {
 200                         foreach($images as $image) {
 201                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 202                                         continue;
 203                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 204                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 205                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 206                                         WHERE `resource-id` = '%s' AND `album` = '%s' ",
 207                                         dbesc($str_contact_allow),
 208                                         dbesc($str_group_allow),
 209                                         dbesc($str_contact_deny),
 210                                         dbesc($str_group_deny),
 211                                         dbesc($image_uri),
 212                                         dbesc( t('Wall Photos'))
 213                                 );
 214
 215                         }
 216                 }
 217         }
 218
 219         /**
 220          * Fold multi-line [code] sequences
 221          */
 222
 223         $body = preg_replace('/\[\/code\]\s*\[code\]/m',"\n",$body);
 224
 225         /**
 226          * Look for any tags and linkify them
 227          */
 228
 229         $str_tags = '';
 230         $inform   = '';
 231
 232
 233         $tags = get_tags($body);
 234
 235         if(($parent_contact) && ($parent_contact['network'] === 'stat') && ($parent_contact['nick']) && (! in_array('@' . $parent_contact['nick'],$tags))) {
 236                 $body = '@' . $parent_contact['nick'] . ' ' . $body;
 237                 $tags[] = '@' . $parent_contact['nick'];
 238         }
 239
 240         if(count($tags)) {
 241                 foreach($tags as $tag) {
 242                         if(strpos($tag,'#') === 0) {
 243                                 if(strpos($tag,'[url='))
 244                                         continue;
 245                                 $basetag = str_replace('_',' ',substr($tag,1));
 246                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 247                                 if(strlen($str_tags))
 248                                         $str_tags .= ',';
 249                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 250                                 continue;
 251                         }
 252                         if(strpos($tag,'@') === 0) {
 253                                 if(strpos($tag,'[url='))
 254                                         continue;
 255                                 $stat = false;
 256                                 $name = substr($tag,1);
 257                                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
 258                                         $newname = $name;
 259                                         $links = @lrdd($name);
 260                                         if(count($links)) {
 261                                                 foreach($links as $link) {
 262                                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 263                                         $profile = $link['@attributes']['href'];
 264                                                         if($link['@attributes']['rel'] === 'salmon') {
 265                                                                 if(strlen($inform))
 266                                                                         $inform .= ',';
 267                                         $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
 268                                                         }
 269                                                 }
 270                                         }
 271                                 }
 272                                 else {
 273                                         $newname = $name;
 274                                         $alias = '';
 275                                         if(strstr($name,'_')) {
 276                                                 $newname = str_replace('_',' ',$name);
 277                                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
 278                                                         dbesc($newname),
 279                                                         intval($profile_uid)
 280                                                 );
 281                                         }
 282                                         else {
 283                                                 $r = q("SELECT * FROM `contact` WHERE `nick` = '%s' AND `uid` = %d LIMIT 1",
 284                                                         dbesc($name),
 285                                                         intval($profile_uid)
 286                                                 );
 287                                         }
 288                                         if(count($r)) {
 289                                                 $profile = $r[0]['url'];
 290                                                 if($r[0]['network'] === 'stat') {
 291                                                         $newname = $r[0]['nick'];
 292                                                         $stat = true;
 293                                                         if($r[0]['alias'])
 294                                                                 $alias = $r[0]['alias'];
 295                                                 }
 296                                                 else
 297                                                         $newname = $r[0]['name'];
 298                                                 if(strlen($inform))
 299                                                         $inform .= ',';
 300                                                 $inform .= 'cid:' . $r[0]['id'];
 301                                         }
 302                                 }
 303                                 if($profile) {
 304                                         $body = str_replace('@' . $name, '@' . '[url=' . $profile . ']' . $newname      . '[/url]', $body);
 305                                         $profile = str_replace(',','%2c',$profile);
 306                                         if(strlen($str_tags))
 307                                                 $str_tags .= ',';
 308                                         $str_tags .= '@[url=' . $profile . ']' . $newname       . '[/url]';
 309
 310                                         // Status.Net seems to require the numeric ID URL in a mention if the person isn't
 311                                         // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
 312
 313                                         if(strlen($alias)) {
 314                                                 if(strlen($str_tags))
 315                                                         $str_tags .= ',';
 316                                                 $str_tags .= '@[url=' . $alias . ']' . $newname . '[/url]';
 317                                         }
 318                                 }
 319                         }
 320                 }
 321         }
 322
 323         $wall = 0;
 324
 325         if($post_type === 'wall' || $post_type === 'wall-comment')
 326                 $wall = 1;
 327
 328         if(! strlen($verb))
 329                 $verb = ACTIVITY_POST ;
 330
 331         $gravity = (($parent) ? 6 : 0 );
 332
 333         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 334
 335         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 336
 337         $datarray = array();
 338         $datarray['uid']           = $profile_uid;
 339         $datarray['type']          = $post_type;
 340         $datarray['wall']          = $wall;
 341         $datarray['gravity']       = $gravity;
 342         $datarray['contact-id']    = $contact_id;
 343         $datarray['owner-name']    = $contact_record['name'];
 344         $datarray['owner-link']    = $contact_record['url'];
 345         $datarray['owner-avatar']  = $contact_record['thumb'];
 346         $datarray['author-name']   = $author['name'];
 347         $datarray['author-link']   = $author['url'];
 348         $datarray['author-avatar'] = $author['thumb'];
 349         $datarray['created']       = datetime_convert();
 350         $datarray['edited']        = datetime_convert();
 351         $datarray['changed']       = datetime_convert();
 352         $datarray['uri']           = $uri;
 353         $datarray['title']         = $title;
 354         $datarray['body']          = $body;
 355         $datarray['location']      = $location;
 356         $datarray['coord']         = $coord;
 357         $datarray['tag']           = $str_tags;
 358         $datarray['inform']        = $inform;
 359         $datarray['verb']          = $verb;
 360         $datarray['allow_cid']     = $str_contact_allow;
 361         $datarray['allow_gid']     = $str_group_allow;
 362         $datarray['deny_cid']      = $str_contact_deny;
 363         $datarray['deny_gid']      = $str_group_deny;
 364         $datarray['private']       = $private;
 365
 366         /**
 367          * These fields are for the convenience of plugins...
 368          * 'self' if true indicates the owner is posting on their own wall
 369          * If parent is 0 it is a top-level post.
 370          */
 371
 372         $datarray['parent']        = $parent;
 373         $datarray['self']          = $self;
 374
 375         if($orig_post)
 376                 $datarray['edit']      = true;
 377
 378         call_hooks('post_local',$datarray);
 379
 380
 381         if($orig_post) {
 382                 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
 383                         dbesc($body),
 384                         dbesc(datetime_convert()),
 385                         intval($post_id),
 386                         intval($profile_uid)
 387                 );
 388
 389                 proc_run('php', "include/notifier.php", 'edit_post', "$post_id");
 390                 if((x($_POST,'return')) && strlen($_POST['return'])) {
 391                         logger('return: ' . $_POST['return']);
 392                         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 393                 }
 394                 killme();
 395         }
 396         else
 397                 $post_id = 0;
 398
 399
 400         $r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 401                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`,
 402                 `tag`, `inform`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private` )
 403                 VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d )",
 404                 intval($datarray['uid']),
 405                 dbesc($datarray['type']),
 406                 intval($datarray['wall']),
 407                 intval($datarray['gravity']),
 408                 intval($datarray['contact-id']),
 409                 dbesc($datarray['owner-name']),
 410                 dbesc($datarray['owner-link']),
 411                 dbesc($datarray['owner-avatar']),
 412                 dbesc($datarray['author-name']),
 413                 dbesc($datarray['author-link']),
 414                 dbesc($datarray['author-avatar']),
 415                 dbesc($datarray['created']),
 416                 dbesc($datarray['edited']),
 417                 dbesc($datarray['changed']),
 418                 dbesc($datarray['uri']),
 419                 dbesc($datarray['title']),
 420                 dbesc($datarray['body']),
 421                 dbesc($datarray['location']),
 422                 dbesc($datarray['coord']),
 423                 dbesc($datarray['tag']),
 424                 dbesc($datarray['inform']),
 425                 dbesc($datarray['verb']),
 426                 dbesc($datarray['allow_cid']),
 427                 dbesc($datarray['allow_gid']),
 428                 dbesc($datarray['deny_cid']),
 429                 dbesc($datarray['deny_gid']),
 430                 intval($datarray['private'])
 431         );
 432
 433         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 434                 dbesc($datarray['uri']));
 435         if(count($r)) {
 436                 $post_id = $r[0]['id'];
 437                 logger('mod_item: saved item ' . $post_id);
 438
 439                 if($parent) {
 440
 441                         // This item is the last leaf and gets the comment box, clear any ancestors
 442                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 443                                 dbesc(datetime_convert()),
 444                                 intval($parent)
 445                         );
 446
 447                         // Inherit ACL's from the parent item.
 448
 449                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 450                                 WHERE `id` = %d LIMIT 1",
 451                                 dbesc($parent_item['allow_cid']),
 452                                 dbesc($parent_item['allow_gid']),
 453                                 dbesc($parent_item['deny_cid']),
 454                                 dbesc($parent_item['deny_gid']),
 455                                 intval($parent_item['private']),
 456                                 intval($post_id)
 457                         );
 458
 459                         // Send a notification email to the conversation owner, unless the owner is me and I wrote this item
 460                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 461                                 require_once('bbcode.php');
 462                                 $from = $author['name'];
 463                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 464                                 $email_tpl = replace_macros($tpl, array(
 465                                         '$sitename' => $a->config['sitename'],
 466                                         '$siteurl' =>  $a->get_baseurl(),
 467                                         '$username' => $user['username'],
 468                                         '$email' => $user['email'],
 469                                         '$from' => $from,
 470                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 471                                         '$body' => strip_tags(bbcode($datarray['body']))
 472                                 ));
 473
 474                                 $res = mail($user['email'], sprintf( t("%s commented on your item at %s") ,$from,$a->config['sitename']),
 475                                         $email_tpl,
 476                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 477                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 478                                         . 'Content-transfer-encoding: 8bit' );
 479                         }
 480                 }
 481                 else {
 482                         $parent = $post_id;
 483
 484                         // let me know if somebody did a wall-to-wall post on my profile
 485
 486                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 487                                 require_once('bbcode.php');
 488                                 $from = $author['name'];
 489                                 $tpl = load_view_file('view/wall_received_eml.tpl');
 490                                 $email_tpl = replace_macros($tpl, array(
 491                                         '$sitename' => $a->config['sitename'],
 492                                         '$siteurl' =>  $a->get_baseurl(),
 493                                         '$username' => $user['username'],
 494                                         '$email' => $user['email'],
 495                                         '$from' => $from,
 496                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 497                                         '$body' => strip_tags(bbcode($datarray['body']))
 498                                 ));
 499
 500                                 $res = mail($user['email'], sprintf( t("%s posted on your profile wall at %s") ,$from, $a->config['sitename']),
 501                                         $email_tpl,
 502                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 503                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 504                                         . 'Content-transfer-encoding: 8bit' );
 505
 506                         }
 507                 }
 508
 509                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 510                         WHERE `id` = %d LIMIT 1",
 511                         intval($parent),
 512                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 513                         dbesc($a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id),
 514                         dbesc(datetime_convert()),
 515                         intval($post_id)
 516                 );
 517
 518                 // photo comments turn the corresponding item visible to the profile wall
 519                 // This way we don't see every picture in your new photo album posted to your wall at once.
 520                 // They will show up as people comment on them.
 521
 522                 if(! $parent_item['visible']) {
 523                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 524                                 intval($parent_item['id'])
 525                         );
 526                 }
 527         }
 528         else {
 529                 logger('mod_item: unable to retrieve post that was just stored.');
 530                 notify( t('System error. Post not saved.'));
 531                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
 532                 // NOTREACHED
 533         }
 534
 535         proc_run('php', "include/notifier.php", $notify_type, "$post_id");
 536
 537         $datarray['id'] = $post_id;
 538
 539         call_hooks('post_local_end', $datarray);
 540
 541         if(strlen($emailcc) && $profile_uid == local_user()) {
 542                 $erecips = explode(',', $emailcc);
 543                 if(count($erecips)) {
 544                         foreach($erecips as $recip) {
 545                                 $addr = trim($recip);
 546                                 if(! strlen($addr))
 547                                         continue;
 548                                 $disclaimer = '<hr />' . sprintf(t('This message was sent to you by %s, a member of the Friendika social network.'),$a->user['username'])
 549                                         . '<br />';
 550                                 $disclaimer .= t('You may visit them online at') . ' '
 551                                         . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '<br />';
 552                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . '<br />';
 553
 554                                 $subject  = '[Friendika]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']);
 555                                 $headers  = 'From: ' . $a->user['username'] . ' <' . $a->user['email'] . '>' . "\n";
 556                                 $headers .= 'MIME-Version: 1.0' . "\n";
 557                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 558                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 559                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 560                                 $html    = prepare_body($datarray);
 561                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 562                                 @mail($addr, $subject, $message, $headers);
 563                         }
 564                 }
 565         }
 566
 567         logger('post_complete');
 568         if((x($_POST,'return')) && strlen($_POST['return'])) {
 569                 logger('return: ' . $_POST['return']);
 570                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
 571         }
 572         $json = array('success' => 1);
 573         if(x($_POST,'jsreload') && strlen($_POST['jsreload']))
 574                 $json['reload'] = $a->get_baseurl() . '/' . $_POST['jsreload'];
 575
 576         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
 577
 578         echo json_encode($json);
 579         killme();
 580         // NOTREACHED
 581 }
 582
 583
 584
 585
 586
 587 function item_content(&$a) {
 588
 589         if((! local_user()) && (! remote_user()))
 590                 return;
 591
 592         require_once('include/security.php');
 593
 594         $uid = local_user();
 595
 596         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 597
 598                 // locate item to be deleted
 599
 600                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 601                         intval($a->argv[2])
 602                 );
 603
 604                 if(! count($r)) {
 605                         notice( t('Item not found.') . EOL);
 606                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 607                 }
 608                 $item = $r[0];
 609
 610                 // check if logged in user is either the author or owner of this item
 611
 612                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 613
 614                         // delete the item
 615
 616                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 617                                 dbesc(datetime_convert()),
 618                                 dbesc(datetime_convert()),
 619                                 intval($item['id'])
 620                         );
 621
 622                         // If item is a link to a photo resource, nuke all the associated photos
 623                         // (visitors will not have photo resources)
 624                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 625                         // generate a resource-id and therefore aren't intimately linked to the item.
 626
 627                         if(strlen($item['resource-id'])) {
 628                                 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 629                                         dbesc($item['resource-id']),
 630                                         intval($item['uid'])
 631                                 );
 632                                 // ignore the result
 633                         }
 634
 635                         // If it's the parent of a comment thread, kill all the kids
 636
 637                         if($item['uri'] == $item['parent-uri']) {
 638                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 639                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 640                                         dbesc(datetime_convert()),
 641                                         dbesc(datetime_convert()),
 642                                         dbesc($item['parent-uri']),
 643                                         intval($item['uid'])
 644                                 );
 645                                 // ignore the result
 646                         }
 647                         else {
 648                                 // ensure that last-child is set in case the comment that had it just got wiped.
 649                                 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 650                                         dbesc(datetime_convert()),
 651                                         dbesc($item['parent-uri']),
 652                                         intval($item['uid'])
 653                                 );
 654                                 // who is the last child now?
 655                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
 656                                         dbesc($item['parent-uri']),
 657                                         intval($item['uid'])
 658                                 );
 659                                 if(count($r)) {
 660                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 661                                                 intval($r[0]['id'])
 662                                         );
 663                                 }
 664                         }
 665                         $drop_id = intval($item['id']);
 666
 667                         // send the notification upstream/downstream as the case may be
 668
 669                         proc_run('php',"include/notifier.php","drop","$drop_id");
 670
 671                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 672                         //NOTREACHED
 673                 }
 674                 else {
 675                         notice( t('Permission denied.') . EOL);
 676                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 677                         //NOTREACHED
 678                 }
 679         }
 680 }