mod/item.php

   1 <?php
   2
   3 function item_post(&$a) {
   4
   5         if((! local_user()) && (! remote_user()))
   6                 return;
   7
   8         require_once('include/security.php');
   9
  10         $uid = $_SESSION['uid'];
  11
  12
  13         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  14
  15         $parent_item = null;
  16
  17         if($parent) {
  18                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  19                         intval($parent)
  20                 );
  21                 if(! count($r)) {
  22                         notice( t('Unable to locate original post.') . EOL);
  23                         goaway($a->get_baseurl() . "/" . $_POST['return'] );
  24                 }
  25                 $parent_item = $r[0];
  26         }
  27
  28         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
  29
  30         if(! can_write_wall($a,$profile_uid)) {
  31                 notice("Permission denied." . EOL) ;
  32                 return;
  33         }
  34
  35         $str_group_allow = '';
  36         $group_allow = $_POST['group_allow'];
  37         if(is_array($group_allow)) {
  38                 array_walk($group_allow,'sanitise_acl');
  39                 $str_group_allow = implode('',$group_allow);
  40         }
  41
  42         $str_contact_allow = '';
  43         $contact_allow = $_POST['contact_allow'];
  44         if(is_array($contact_allow)) {
  45                 array_walk($contact_allow,'sanitise_acl');
  46                 $str_contact_allow = implode('',$contact_allow);
  47         }
  48
  49         $str_group_deny = '';
  50         $group_deny = $_POST['group_deny'];
  51         if(is_array($group_deny)) {
  52                 array_walk($group_deny,'sanitise_acl');
  53                 $str_group_deny = implode('',$group_deny);
  54         }
  55
  56         $str_contact_deny = '';
  57         $contact_deny = $_POST['contact_deny'];
  58         if(is_array($contact_deny)) {
  59                 array_walk($contact_deny,'sanitise_acl');
  60                 $str_contact_deny = implode('',$contact_deny);
  61         }
  62
  63         $title = notags(trim($_POST['title']));
  64         $body = escape_tags(trim($_POST['body']));
  65
  66         if(! strlen($body)) {
  67                 notice( t('Empty post discarded.') . EOL );
  68                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  69
  70         }
  71
  72         // get contact info for poster
  73
  74         if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  75                 $contact_id = $_SESSION['visitor_id'];
  76         }
  77         else {
  78                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  79                         intval($_SESSION['uid']));
  80                 if(count($r))
  81                         $contact_id = $r[0]['id'];
  82         }
  83
  84         // get contact info for owner
  85
  86         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  87                 intval($profile_uid)
  88         );
  89         if(count($r))
  90                 $contact_record = $r[0];
  91
  92         $post_type == notags(trim($_POST['type']));
  93
  94         if($post_type == 'net-comment') {
  95                 if($parent_item !== null) {
  96                         if($parent_item['type'] == 'remote')
  97                                 $post_type = 'remote-comment';
  98                         else
  99                                 $post_type = 'wall-comment';
 100                 }
 101         }
 102
 103         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 104
 105         if(($_POST['type'] == 'wall') || ($_POST['type'] == 'wall-comment') || ($_POST['type'] == 'net-comment')) {
 106
 107                 do {
 108                         $dups = false;
 109                         $hash = random_string();
 110
 111                         $uri = "urn:X-dfrn:" . $a->get_hostname() . ':' . $profile_uid . ':' . $hash;
 112
 113                         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 114                         dbesc($uri));
 115                         if(count($r))
 116                                 $dups = true;
 117                 } while($dups == true);
 118
 119
 120                 $r = q("INSERT INTO `item` (`uid`,`type`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `created`,
 121                         `edited`, `uri`, `title`, `body`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 122                         VALUES( %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 123                         intval($profile_uid),
 124                         dbesc($_POST['type']),
 125                         intval($contact_id),
 126                         dbesc($contact_record['name']),
 127                         dbesc($contact_record['url']),
 128                         dbesc($contact_record['thumb']),
 129                         datetime_convert(),
 130                         datetime_convert(),
 131                         dbesc($uri),
 132                         dbesc($title),
 133                         dbesc($body),
 134                         dbesc($str_contact_allow),
 135                         dbesc($str_group_allow),
 136                         dbesc($str_contact_deny),
 137                         dbesc($str_group_deny)
 138
 139                 );
 140                 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 141                         dbesc($uri));
 142                 if(count($r)) {
 143                         $post_id = $r[0]['id'];
 144
 145                         if($parent) {
 146
 147                                 // This item is the last leaf and gets the comment box, clear any ancestors
 148                                 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent` = %d ",
 149                                         intval($parent)
 150                                 );
 151
 152                                 // Inherit ACL's from the parent item.
 153                                 // TODO merge with subsequent UPDATE operation and save a db write
 154
 155                                 $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 156                                         WHERE `id` = %d LIMIT 1",
 157                                         dbesc($parent_item['allow_cid']),
 158                                         dbesc($parent_item['allow_gid']),
 159                                         dbesc($parent_item['deny_cid']),
 160                                         dbesc($parent_item['deny_gid']),
 161                                         intval($post_id)
 162                                 );
 163                         }
 164                         else {
 165                                 $parent = $post_id;
 166                         }
 167
 168                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `last-child` = 1, `visible` = 1
 169                                 WHERE `id` = %d LIMIT 1",
 170                                 intval($parent),
 171                                 dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 172                                 intval($post_id)
 173                         );
 174                         // photo comments turn the corresponding item visible to the profile wall
 175                         if(! $parent_item['visible']) {
 176                                 $r = q("UPDATE `item` SET `visible = 1 WHERE `id` = %d LIMIT 1",
 177                                         intval($parent_item['id'])
 178                                 );
 179                         }
 180
 181                 }
 182
 183                 $url = $a->get_baseurl();
 184
 185                 proc_close(proc_open("php include/notifier.php \"$url\" \"$notify_type\" \"$post_id\" > notify.log &",
 186                         array(),$foo));
 187
 188         }
 189         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 190         return; // NOTREACHED
 191 }
 192
 193 function item_content(&$a) {
 194
 195         if((! local_user()) && (! remote_user()))
 196                 return;
 197
 198         require_once('include/security.php');
 199
 200         $uid = $_SESSION['uid'];
 201
 202         if(($a->argc == 3) && ($a->argv[1] == 'drop') && intval($a->argv[2])) {
 203
 204                 // locate item to be deleted
 205
 206                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 207                         intval($a->argv[2])
 208                 );
 209
 210                 if(! count($r)) {
 211                         notice("Item not found." . EOL);
 212                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 213                 }
 214                 $item = $r[0];
 215
 216                 // check if logged in user is either the author or owner of this item
 217
 218                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 219
 220                         // delete the item
 221
 222                         $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s' WHERE `id` = %d LIMIT 1",
 223                                 dbesc(datetime_convert()),
 224                                 intval($item['id'])
 225                         );
 226
 227                         // If item is a link to a photo resource, nuke all the associated photos
 228                         // (visitors will not have photo resources)
 229                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 230                         // generate a resource-id and therefore aren't intimately linked to the item.
 231
 232                         if(strlen($item['resource-id'])) {
 233                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 234                                         dbesc($item['resource-id']),
 235                                         intval($item['uid'])
 236                                 );
 237                                 // ignore the result
 238                         }
 239
 240                         // If it's the parent of a comment thread, kill all the kids
 241
 242                         if($item['uri'] == $item['parent-uri']) {
 243                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
 244                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 245                                         dbesc(datetime_convert()),
 246                                         dbesc($item['parent-uri']),
 247                                         intval($item['uid'])
 248                                 );
 249                                 // ignore the result
 250                         }
 251
 252                         $url = $a->get_baseurl();
 253                         $drop_id = intval($item['id']);
 254
 255                         // send the notification upstream/downstream as the case may be
 256
 257                         proc_close(proc_open("php include/notifier.php \"$url\" \"drop\" \"$drop_id\" > notify.log &",
 258                                 array(),$foo));
 259
 260                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 261                         return; //NOTREACHED
 262                 }
 263                 else {
 264                         notice("Permission denied." . EOL);
 265                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 266                         return; //NOTREACHED
 267                 }
 268         }
 269 }