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($_POST['profile_uid']) : 0);
  29
  30
  31         if(! can_write_wall($a,$profile_uid)) {
  32                 notice("Permission denied." . EOL) ;
  33                 return;
  34         }
  35
  36         $user = null;
  37
  38         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
  39                 intval($profile_uid)
  40         );
  41         if(count($r))
  42                 $user = $r[0];
  43
  44
  45         $str_group_allow = '';
  46         $group_allow = $_POST['group_allow'];
  47         if(is_array($group_allow)) {
  48                 array_walk($group_allow,'sanitise_acl');
  49                 $str_group_allow = implode('',$group_allow);
  50         }
  51
  52         $str_contact_allow = '';
  53         $contact_allow = $_POST['contact_allow'];
  54         if(is_array($contact_allow)) {
  55                 array_walk($contact_allow,'sanitise_acl');
  56                 $str_contact_allow = implode('',$contact_allow);
  57         }
  58
  59         $str_group_deny = '';
  60         $group_deny = $_POST['group_deny'];
  61         if(is_array($group_deny)) {
  62                 array_walk($group_deny,'sanitise_acl');
  63                 $str_group_deny = implode('',$group_deny);
  64         }
  65
  66         $str_contact_deny = '';
  67         $contact_deny = $_POST['contact_deny'];
  68         if(is_array($contact_deny)) {
  69                 array_walk($contact_deny,'sanitise_acl');
  70                 $str_contact_deny = implode('',$contact_deny);
  71         }
  72
  73         $title = notags(trim($_POST['title']));
  74         $body = escape_tags(trim($_POST['body']));
  75
  76         if(! strlen($body)) {
  77                 notice( t('Empty post discarded.') . EOL );
  78                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  79
  80         }
  81
  82         // get contact info for poster
  83
  84         $author = null;
  85
  86         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  87                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  88                         intval($_SESSION['uid'])
  89                 );
  90         }
  91         else {
  92                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  93                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  94                                 intval($_SESSION['visitor_id'])
  95                         );
  96                 }
  97         }
  98
  99         if(count($r)) {
 100                 $author = $r[0];
 101                 $contact_id = $author['id'];
 102         }
 103
 104         // get contact info for owner
 105
 106         if($profile_uid == $_SESSION['uid']) {
 107                 $contact_record = $author;
 108         }
 109         else {
 110                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 111                         intval($profile_uid)
 112                 );
 113                 if(count($r))
 114                         $contact_record = $r[0];
 115         }
 116
 117         $post_type = notags(trim($_POST['type']));
 118
 119         if($post_type == 'net-comment') {
 120                 if($parent_item !== null) {
 121                         if($parent_item['type'] == 'remote')
 122                                 $post_type = 'remote-comment';
 123                         else
 124                                 $post_type = 'wall-comment';
 125                 }
 126         }
 127
 128         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 129
 130         do {
 131                 $dups = false;
 132                 $hash = random_string();
 133
 134                 $uri = "urn:X-dfrn:" . $a->get_hostname() . ':' . $profile_uid . ':' . $hash;
 135
 136                 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 137                         dbesc($uri));
 138                 if(count($r))
 139                         $dups = true;
 140         } while($dups == true);
 141
 142
 143         $r = q("INSERT INTO `item` (`uid`,`type`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 144                 `author-name`, `author-link`, `author-avatar`, `created`,
 145                 `edited`, `uri`, `title`, `body`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 146                 VALUES( %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 147                 intval($profile_uid),
 148                 dbesc($post_type),
 149                 intval($contact_id),
 150                 dbesc($contact_record['name']),
 151                 dbesc($contact_record['url']),
 152                 dbesc($contact_record['thumb']),
 153                 dbesc($author['name']),
 154                 dbesc($author['url']),
 155                 dbesc($author['thumb']),
 156                 datetime_convert(),
 157                 datetime_convert(),
 158                 dbesc($uri),
 159                 dbesc($title),
 160                 dbesc($body),
 161                 dbesc($str_contact_allow),
 162                 dbesc($str_group_allow),
 163                 dbesc($str_contact_deny),
 164                 dbesc($str_group_deny)
 165         );
 166         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 167                 dbesc($uri));
 168         if(count($r)) {
 169                 $post_id = $r[0]['id'];
 170
 171                 if($parent) {
 172
 173                         // This item is the last leaf and gets the comment box, clear any ancestors
 174                         $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent` = %d ",
 175                                 intval($parent)
 176                         );
 177
 178                         // Inherit ACL's from the parent item.
 179                         // TODO merge with subsequent UPDATE operation and save a db write
 180
 181                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 182                                 WHERE `id` = %d LIMIT 1",
 183                                 dbesc($parent_item['allow_cid']),
 184                                 dbesc($parent_item['allow_gid']),
 185                                 dbesc($parent_item['deny_cid']),
 186                                 dbesc($parent_item['deny_gid']),
 187                                 intval($post_id)
 188                         );
 189
 190                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 191                                 require_once('bbcode.php');
 192                                 $from = $author['name'];
 193                                 $tpl = file_get_contents('view/cmnt_received_eml.tpl');
 194                                 $email_tpl = replace_macros($tpl, array(
 195                                         '$sitename' => $a->config['sitename'],
 196                                         '$siteurl' =>  $a->get_baseurl(),
 197                                         '$username' => $user['username'],
 198                                         '$email' => $user['email'],
 199                                         '$from' => $from,
 200                                         '$body' => strip_tags(bbcode($body))
 201                                 ));
 202
 203                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 204                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 205                         }
 206                 }
 207                 else {
 208                         $parent = $post_id;
 209
 210                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 211                                 require_once('bbcode.php');
 212                                 $from = $author['name'];
 213                                 $tpl = file_get_contents('view/wall_received_eml.tpl');
 214                                 $email_tpl = replace_macros($tpl, array(
 215                                         '$sitename' => $a->config['sitename'],
 216                                         '$siteurl' =>  $a->get_baseurl(),
 217                                         '$username' => $user['username'],
 218                                         '$email' => $user['email'],
 219                                         '$from' => $from,
 220                                         '$body' => strip_tags(bbcode($body))
 221                                 ));
 222
 223                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 224                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 225                         }
 226                 }
 227
 228                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `last-child` = 1, `visible` = 1
 229                         WHERE `id` = %d LIMIT 1",
 230                         intval($parent),
 231                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 232                         intval($post_id)
 233                 );
 234                 // photo comments turn the corresponding item visible to the profile wall
 235                 if(! $parent_item['visible']) {
 236                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 237                                 intval($parent_item['id'])
 238                         );
 239                 }
 240         }
 241
 242         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 243
 244         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
 245                 array(),$foo));
 246
 247         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 248         return; // NOTREACHED
 249 }
 250
 251 function item_content(&$a) {
 252
 253         if((! local_user()) && (! remote_user()))
 254                 return;
 255
 256         require_once('include/security.php');
 257
 258         $uid = $_SESSION['uid'];
 259
 260         if(($a->argc == 3) && ($a->argv[1] == 'drop') && intval($a->argv[2])) {
 261
 262                 // locate item to be deleted
 263
 264                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 265                         intval($a->argv[2])
 266                 );
 267
 268                 if(! count($r)) {
 269                         notice( t('Item not found.') . EOL);
 270                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 271                 }
 272                 $item = $r[0];
 273
 274                 // check if logged in user is either the author or owner of this item
 275
 276                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 277
 278                         // delete the item
 279
 280                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s' WHERE `id` = %d LIMIT 1",
 281                                 dbesc(datetime_convert()),
 282                                 intval($item['id'])
 283                         );
 284
 285                         // If item is a link to a photo resource, nuke all the associated photos
 286                         // (visitors will not have photo resources)
 287                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 288                         // generate a resource-id and therefore aren't intimately linked to the item.
 289
 290                         if(strlen($item['resource-id'])) {
 291                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 292                                         dbesc($item['resource-id']),
 293                                         intval($item['uid'])
 294                                 );
 295                                 // ignore the result
 296                         }
 297
 298                         // If it's the parent of a comment thread, kill all the kids
 299
 300                         if($item['uri'] == $item['parent-uri']) {
 301                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `body` = ''
 302                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 303                                         dbesc(datetime_convert()),
 304                                         dbesc($item['parent-uri']),
 305                                         intval($item['uid'])
 306                                 );
 307                                 // ignore the result
 308                         }
 309
 310                         $drop_id = intval($item['id']);
 311                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 312
 313                         // send the notification upstream/downstream as the case may be
 314
 315                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
 316                                 array(), $foo));
 317
 318                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 319                         return; //NOTREACHED
 320                 }
 321                 else {
 322                         notice( t('Permission denied.') . EOL);
 323                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 324                         return; //NOTREACHED
 325                 }
 326         }
 327 }