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 = $_SESSION['uid'];
  15
  16         if(($a->argc == 3) && ($a->argv[1] == 'drop') && intval($a->argv[2])) {
  17                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  18                         intval($argv[2])
  19                 );
  20                 if(! count($r)) {
  21                         notice("Permission denied." . EOL);
  22                         goway($a->get_baseurl() . $_SESSION['return_url']);
  23                 }
  24                 $item = $r[0];
  25                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
  26                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s' WHERE `id` = %d LIMIT 1",
  27                         dbesc(datetime_convert()),
  28                         intval($item['id'])
  29                 );
  30                 if($item['uri'] == $item['parent-uri']) {
  31                         $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s' WHERE `parent-uri` = '%s',
  32                                 dbesc(datetime_convert()),
  33                                 dbesc($item['parent-uri'])
  34                         );
  35                 }
  36
  37                 $url = $a->get_baseurl();
  38                 $drop_id = intval($item['id'])l
  39
  40                 proc_close(proc_open("php include/notifier.php \"$url\" \"$drop" \"$drop_id\" > notify.log &",
  41                         array(),$foo));
  42
  43                 goway($a->get_baseurl() . $_SESSION['return_url']);
  44
  45         }
  46
  47         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  48
  49         $parent_item = null;
  50
  51         if($parent) {
  52                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  53                         intval($parent)
  54                 );
  55                 if(! count($r)) {
  56                         notice("Unable to locate original post." . EOL);
  57                         goaway($a->get_baseurl() . "/" . $_POST['return'] );
  58                 }
  59                 $parent_item = $r[0];
  60         }
  61
  62         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
  63
  64         if(! can_write_wall($a,$profile_uid)) {
  65                 notice("Permission denied." . EOL) ;
  66                 return;
  67         }
  68
  69         $str_group_allow = '';
  70         $group_allow = $_POST['group_allow'];
  71         if(is_array($group_allow)) {
  72                 array_walk($group_allow,'sanitise_acl');
  73                 $str_group_allow = implode('',$group_allow);
  74         }
  75
  76         $str_contact_allow = '';
  77         $contact_allow = $_POST['contact_allow'];
  78         if(is_array($contact_allow)) {
  79                 array_walk($contact_allow,'sanitise_acl');
  80                 $str_contact_allow = implode('',$contact_allow);
  81         }
  82
  83         $str_group_deny = '';
  84         $group_deny = $_POST['group_deny'];
  85         if(is_array($group_deny)) {
  86                 array_walk($group_deny,'sanitise_acl');
  87                 $str_group_deny = implode('',$group_deny);
  88         }
  89
  90         $str_contact_deny = '';
  91         $contact_deny = $_POST['contact_deny'];
  92         if(is_array($contact_deny)) {
  93                 array_walk($contact_deny,'sanitise_acl');
  94                 $str_contact_deny = implode('',$contact_deny);
  95         }
  96
  97
  98         $body = escape_tags(trim($_POST['body']));
  99
 100         if(! strlen($body)) {
 101                 notice("Empty post discarded." . EOL );
 102                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
 103
 104         }
 105
 106         // get contact info for poster
 107
 108         if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
 109                 $contact_id = $_SESSION['visitor_id'];
 110         }
 111         else {
 112                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 113                         intval($_SESSION['uid']));
 114                 if(count($r))
 115                         $contact_id = $r[0]['id'];
 116         }
 117
 118         // get contact info for owner
 119
 120         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 121                 intval($profile_uid)
 122         );
 123         if(count($r))
 124                 $contact_record = $r[0];
 125
 126         $post_type == notags(trim($_POST['type']));
 127
 128         if($post_type == 'net-comment') {
 129                 if($parent_item !== null && $parent_item['type'] != 'remote')
 130                         $post_type = 'wall-comment';
 131         }
 132
 133         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 134
 135         if(($_POST['type'] == 'wall') || ($_POST['type'] == 'wall-comment') || ($_POST['type'] == 'net-comment')) {
 136
 137                 do {
 138                         $dups = false;
 139                         $hash = random_string();
 140
 141                         $uri = "urn:X-dfrn:" . $a->get_hostname() . ':' . $profile_uid . ':' . $hash;
 142
 143                         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 144                         dbesc($uri));
 145                         if(count($r))
 146                                 $dups = true;
 147                 } while($dups == true);
 148
 149
 150                 $r = q("INSERT INTO `item` (`uid`,`type`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `created`,
 151                         `edited`, `uri`, `body`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 152                         VALUES( %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 153                         intval($profile_uid),
 154                         dbesc($_POST['type']),
 155                         intval($contact_id),
 156                         dbesc($contact_record['name']),
 157                         dbesc($contact_record['url']),
 158                         dbesc($contact_record['thumb']),
 159                         datetime_convert(),
 160                         datetime_convert(),
 161                         dbesc($uri),
 162                         dbesc(escape_tags(trim($_POST['body']))),
 163                         dbesc($str_contact_allow),
 164                         dbesc($str_group_allow),
 165                         dbesc($str_contact_deny),
 166                         dbesc($str_group_deny)
 167
 168                 );
 169                 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 170                         dbesc($uri));
 171                 if(count($r)) {
 172                         $post_id = $r[0]['id'];
 173
 174                         if($parent) {
 175
 176                                 // This item is the last leaf and gets the comment box, clear any ancestors
 177                                 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent` = %d ",
 178                                         intval($parent)
 179                                 );
 180
 181                                 // Inherit ACL's from the parent item.
 182                                 // TODO merge with subsequent UPDATE operation and save a db write
 183
 184                                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 185                                         WHERE `id` = %d LIMIT 1",
 186                                         dbesc($parent_item['allow_cid']),
 187                                         dbesc($parent_item['allow_gid']),
 188                                         dbesc($parent_item['deny_cid']),
 189                                         dbesc($parent_item['deny_gid']),
 190                                         intval($post_id)
 191                                 );
 192                         }
 193                         else {
 194                                 $parent = $post_id;
 195                         }
 196
 197                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `last-child` = 1, `visible` = 1
 198                                 WHERE `id` = %d LIMIT 1",
 199                                 intval($parent),
 200                                 dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 201                                 intval($post_id)
 202                         );
 203                 }
 204
 205                 $url = $a->get_baseurl();
 206
 207                 proc_close(proc_open("php include/notifier.php \"$url\" \"$notify_type\" \"$post_id\" > notify.log &",
 208                         array(),$foo));
 209
 210         }
 211         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 212         return; // NOTREACHED
 213 }