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         $location = notags(trim($_POST['location']));
  76
  77         if(! strlen($body)) {
  78                 notice( t('Empty post discarded.') . EOL );
  79                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  80
  81         }
  82
  83         // get contact info for poster
  84
  85         $author = null;
  86
  87         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  88                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  89                         intval($_SESSION['uid'])
  90                 );
  91         }
  92         else {
  93                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  94                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  95                                 intval($_SESSION['visitor_id'])
  96                         );
  97                 }
  98         }
  99
 100         if(count($r)) {
 101                 $author = $r[0];
 102                 $contact_id = $author['id'];
 103         }
 104
 105         // get contact info for owner
 106
 107         if($profile_uid == $_SESSION['uid']) {
 108                 $contact_record = $author;
 109         }
 110         else {
 111                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 112                         intval($profile_uid)
 113                 );
 114                 if(count($r))
 115                         $contact_record = $r[0];
 116         }
 117
 118         $post_type = notags(trim($_POST['type']));
 119
 120         if($post_type == 'net-comment') {
 121                 if($parent_item !== null) {
 122                         if($parent_item['type'] == 'remote')
 123                                 $post_type = 'remote-comment';
 124                         else
 125                                 $post_type = 'wall-comment';
 126                 }
 127         }
 128
 129         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 130
 131         do {
 132                 $dups = false;
 133                 $hash = random_string();
 134
 135                 $uri = "urn:X-dfrn:" . $a->get_hostname() . ':' . $profile_uid . ':' . $hash;
 136
 137                 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 138                         dbesc($uri));
 139                 if(count($r))
 140                         $dups = true;
 141         } while($dups == true);
 142
 143
 144         $r = q("INSERT INTO `item` (`uid`,`type`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 145                 `author-name`, `author-link`, `author-avatar`, `created`,
 146                 `edited`, `changed`, `uri`, `title`, `body`, `location`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 147                 VALUES( %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 148                 intval($profile_uid),
 149                 dbesc($post_type),
 150                 intval($contact_id),
 151                 dbesc($contact_record['name']),
 152                 dbesc($contact_record['url']),
 153                 dbesc($contact_record['thumb']),
 154                 dbesc($author['name']),
 155                 dbesc($author['url']),
 156                 dbesc($author['thumb']),
 157                 dbesc(datetime_convert()),
 158                 dbesc(datetime_convert()),
 159                 dbesc(datetime_convert()),
 160                 dbesc($uri),
 161                 dbesc($title),
 162                 dbesc($body),
 163                 dbesc($location),
 164                 dbesc($str_contact_allow),
 165                 dbesc($str_group_allow),
 166                 dbesc($str_contact_deny),
 167                 dbesc($str_group_deny)
 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                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 178                                 dbesc(datetime_convert()),
 179                                 intval($parent)
 180                         );
 181
 182                         // Inherit ACL's from the parent item.
 183                         // TODO merge with subsequent UPDATE operation and save a db write
 184
 185                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 186                                 WHERE `id` = %d LIMIT 1",
 187                                 dbesc($parent_item['allow_cid']),
 188                                 dbesc($parent_item['allow_gid']),
 189                                 dbesc($parent_item['deny_cid']),
 190                                 dbesc($parent_item['deny_gid']),
 191                                 intval($post_id)
 192                         );
 193
 194                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 195                                 require_once('bbcode.php');
 196                                 $from = $author['name'];
 197                                 $tpl = file_get_contents('view/cmnt_received_eml.tpl');
 198                                 $email_tpl = replace_macros($tpl, array(
 199                                         '$sitename' => $a->config['sitename'],
 200                                         '$siteurl' =>  $a->get_baseurl(),
 201                                         '$username' => $user['username'],
 202                                         '$email' => $user['email'],
 203                                         '$from' => $from,
 204                                         '$body' => strip_tags(bbcode($body))
 205                                 ));
 206
 207                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 208                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 209                         }
 210                 }
 211                 else {
 212                         $parent = $post_id;
 213
 214                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 215                                 require_once('bbcode.php');
 216                                 $from = $author['name'];
 217                                 $tpl = file_get_contents('view/wall_received_eml.tpl');
 218                                 $email_tpl = replace_macros($tpl, array(
 219                                         '$sitename' => $a->config['sitename'],
 220                                         '$siteurl' =>  $a->get_baseurl(),
 221                                         '$username' => $user['username'],
 222                                         '$email' => $user['email'],
 223                                         '$from' => $from,
 224                                         '$body' => strip_tags(bbcode($body))
 225                                 ));
 226
 227                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 228                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 229                         }
 230                 }
 231
 232                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 233                         WHERE `id` = %d LIMIT 1",
 234                         intval($parent),
 235                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 236                         dbesc(datetime_convert()),
 237                         intval($post_id)
 238                 );
 239                 // photo comments turn the corresponding item visible to the profile wall
 240                 if(! $parent_item['visible']) {
 241                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 242                                 intval($parent_item['id'])
 243                         );
 244                 }
 245         }
 246
 247         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 248
 249         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
 250                 array(),$foo));
 251
 252         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 253         return; // NOTREACHED
 254 }
 255
 256 function item_content(&$a) {
 257
 258         if((! local_user()) && (! remote_user()))
 259                 return;
 260
 261         require_once('include/security.php');
 262
 263         $uid = $_SESSION['uid'];
 264
 265         if(($a->argc == 3) && ($a->argv[1] == 'drop') && intval($a->argv[2])) {
 266
 267                 // locate item to be deleted
 268
 269                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 270                         intval($a->argv[2])
 271                 );
 272
 273                 if(! count($r)) {
 274                         notice( t('Item not found.') . EOL);
 275                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 276                 }
 277                 $item = $r[0];
 278
 279                 // check if logged in user is either the author or owner of this item
 280
 281                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 282
 283                         // delete the item
 284
 285                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 286                                 dbesc(datetime_convert()),
 287                                 dbesc(datetime_convert()),
 288                                 intval($item['id'])
 289                         );
 290
 291                         // If item is a link to a photo resource, nuke all the associated photos
 292                         // (visitors will not have photo resources)
 293                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 294                         // generate a resource-id and therefore aren't intimately linked to the item.
 295
 296                         if(strlen($item['resource-id'])) {
 297                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 298                                         dbesc($item['resource-id']),
 299                                         intval($item['uid'])
 300                                 );
 301                                 // ignore the result
 302                         }
 303
 304                         // If it's the parent of a comment thread, kill all the kids
 305
 306                         if($item['uri'] == $item['parent-uri']) {
 307                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 308                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 309                                         dbesc(datetime_convert()),
 310                                         dbesc(datetime_convert()),
 311                                         dbesc($item['parent-uri']),
 312                                         intval($item['uid'])
 313                                 );
 314                                 // ignore the result
 315                         }
 316
 317                         $drop_id = intval($item['id']);
 318                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 319
 320                         // send the notification upstream/downstream as the case may be
 321
 322                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
 323                                 array(), $foo));
 324
 325                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 326                         return; //NOTREACHED
 327                 }
 328                 else {
 329                         notice( t('Permission denied.') . EOL);
 330                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 331                         return; //NOTREACHED
 332                 }
 333         }
 334 }