mod/item.php

   1 <?php
   2
   3 function sanitise_acl(&$item) {
   4         $item = '<' . intval(notags(trim($item))) . '>';
   5 }
   6
   7 function item_post(&$a) {
   8
   9         if((! local_user()) && (! remote_user()))
  10                 return;
  11
  12         require_once('include/security.php');
  13
  14         $uid = $_SESSION['uid'];
  15         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  16
  17         $parent_item = null;
  18
  19         if($parent) {
  20                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  21                         intval($parent)
  22                 );
  23                 if(! count($r)) {
  24                         notice("Unable to locate original post." . EOL);
  25                         goaway($a->get_baseurl() . "/profile/$profile_uid");
  26                 }
  27                 $parent_item = $r[0];
  28         }
  29
  30         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
  31
  32         if(! can_write_wall($a,$profile_uid)) {
  33                 notice("Permission denied." . EOL) ;
  34                 return;
  35         }
  36
  37         $str_group_allow = '';
  38         $group_allow = $_POST['group_allow'];
  39         if(is_array($group_allow)) {
  40                 array_walk($group_allow,'sanitise_acl');
  41                 $str_group_allow = implode('',$group_allow);
  42         }
  43
  44         $str_contact_allow = '';
  45         $contact_allow = $_POST['contact_allow'];
  46         if(is_array($contact_allow)) {
  47                 array_walk($contact_allow,'sanitise_acl');
  48                 $str_contact_allow = implode('',$contact_allow);
  49         }
  50
  51         $str_group_deny = '';
  52         $group_deny = $_POST['group_deny'];
  53         if(is_array($group_deny)) {
  54                 array_walk($group_deny,'sanitise_acl');
  55                 $str_group_deny = implode('',$group_deny);
  56         }
  57
  58         $str_contact_deny = '';
  59         $contact_deny = $_POST['contact_deny'];
  60         if(is_array($contact_deny)) {
  61                 array_walk($contact_deny,'sanitise_acl');
  62                 $str_contact_deny = implode('',$contact_deny);
  63         }
  64
  65
  66         $body = escape_tags(trim($_POST['body']));
  67
  68         if(! strlen($body)) {
  69                 notice("Empty post discarded." . EOL );
  70                 goaway($a->get_baseurl() . "/profile/$profile_uid");
  71         }
  72
  73         if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id'])))
  74                 $contact_id = $_SESSION['visitor_id'];
  75         else {
  76                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  77                         intval($_SESSION['uid']));
  78                 if(count($r)) {
  79                         $contact_record = $r[0];
  80                         $contact_id = $r[0]['id'];
  81                 }
  82         }
  83
  84         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
  85
  86         if($_POST['type'] == 'jot') {
  87
  88                 do {
  89                         $dups = false;
  90                         $hash = random_string();
  91                         $r = q("SELECT `id` FROM `item` WHERE `hash` = '%s' LIMIT 1",
  92                         dbesc($hash));
  93                         if(count($r))
  94                                 $dups = true;
  95                 } while($dups == true);
  96
  97
  98                 $r = q("INSERT INTO `item` (`uid`,`type`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `created`,`edited`,`hash`,`body`,
  99                         `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 100                         VALUES( %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 101                         intval($profile_uid),
 102                         "jot",
 103                         intval($contact_id),
 104                         dbesc($contact_record['name']),
 105                         dbesc($contact_record['url']),
 106                         dbesc($contact_record['thumb']),
 107                         datetime_convert(),
 108                         datetime_convert(),
 109                         dbesc($hash),
 110                         dbesc(escape_tags(trim($_POST['body']))),
 111                         dbesc($str_contact_allow),
 112                         dbesc($str_group_allow),
 113                         dbesc($str_contact_deny),
 114                         dbesc($str_group_deny)
 115
 116                 );
 117                 $r = q("SELECT `id` FROM `item` WHERE `hash` = '%s' LIMIT 1",
 118                         dbesc($hash));
 119                 if(count($r)) {
 120                         $post_id = $r[0]['id'];
 121
 122                         if($parent) {
 123
 124                                 // This item is the last leaf and gets the comment box, clear any ancestors
 125                                 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent` = %d ",
 126                                         intval($parent)
 127                                 );
 128
 129                                 // Inherit ACL's from the parent item.
 130                                 // TODO merge with subsequent UPDATE operation and save a db write
 131
 132                                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 133                                         WHERE `id` = %d LIMIT 1",
 134                                         dbesc($parent_item['allow_cid']),
 135                                         dbesc($parent_item['allow_gid']),
 136                                         dbesc($parent_item['deny_cid']),
 137                                         dbesc($parent_item['deny_gid']),
 138                                         intval($post_id)
 139                                 );
 140                         }
 141                         else {
 142                                 $parent = $post_id;
 143                         }
 144
 145                         $r = q("UPDATE `item` SET `parent` = %d, `last-child` = 1, `visible` = 1
 146                                 WHERE `id` = %d LIMIT 1",
 147                                 intval($parent),
 148                                 intval($post_id));
 149                 }
 150
 151                 $url = bin2hex($a->get_baseurl());
 152
 153                 proc_close(proc_open("php include/notifier.php $url $notify_type $post_id > notify.log &",
 154                         array(),$foo));
 155
 156         }
 157         goaway($a->get_baseurl() . "/profile/$profile_uid");
 158
 159
 160
 161
 162
 163
 164
 165 }