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( t('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         $str_group_allow   = perms2str($_POST['group_allow']);
  46         $str_contact_allow = perms2str($_POST['contact_allow']);
  47         $str_group_deny    = perms2str($_POST['group_deny']);
  48         $str_contact_deny  = perms2str($_POST['contact_deny']);
  49
  50         $title             = notags(trim($_POST['title']));
  51         $body              = escape_tags(trim($_POST['body']));
  52         $location          = notags(trim($_POST['location']));
  53         $verb              = notags(trim($_POST['verb']));
  54
  55         if(! strlen($body)) {
  56                 notice( t('Empty post discarded.') . EOL );
  57                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  58
  59         }
  60
  61         // get contact info for poster
  62
  63         $author = null;
  64
  65         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  66                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  67                         intval($_SESSION['uid'])
  68                 );
  69         }
  70         else {
  71                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  72                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  73                                 intval($_SESSION['visitor_id'])
  74                         );
  75                 }
  76         }
  77
  78         if(count($r)) {
  79                 $author = $r[0];
  80                 $contact_id = $author['id'];
  81         }
  82
  83         // get contact info for owner
  84
  85         if($profile_uid == $_SESSION['uid']) {
  86                 $contact_record = $author;
  87         }
  88         else {
  89                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  90                         intval($profile_uid)
  91                 );
  92                 if(count($r))
  93                         $contact_record = $r[0];
  94         }
  95
  96         $post_type = notags(trim($_POST['type']));
  97
  98         if($post_type == 'net-comment') {
  99                 if($parent_item !== null) {
 100                         if($parent_item['type'] == 'remote') {
 101                                 $post_type = 'remote-comment';
 102                         }
 103                         else {
 104                                 $post_type = 'wall-comment';
 105                         }
 106                 }
 107         }
 108
 109         $wall = 0;
 110         if($post_type == 'wall' || $post_type == 'wall-comment')
 111                 $wall = 1;
 112
 113         if(! strlen($verb))
 114                 $verb = ACTIVITY_POST ;
 115
 116         $gravity = (($parent) ? 6 : 0 );
 117
 118         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 119
 120         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 121
 122         $r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 123                 `author-name`, `author-link`, `author-avatar`, `created`,
 124                 `edited`, `changed`, `uri`, `title`, `body`, `location`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 125                 VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 126                 intval($profile_uid),
 127                 dbesc($post_type),
 128                 intval($wall),
 129                 intval($gravity),
 130                 intval($contact_id),
 131                 dbesc($contact_record['name']),
 132                 dbesc($contact_record['url']),
 133                 dbesc($contact_record['thumb']),
 134                 dbesc($author['name']),
 135                 dbesc($author['url']),
 136                 dbesc($author['thumb']),
 137                 dbesc(datetime_convert()),
 138                 dbesc(datetime_convert()),
 139                 dbesc(datetime_convert()),
 140                 dbesc($uri),
 141                 dbesc($title),
 142                 dbesc($body),
 143                 dbesc($location),
 144                 dbesc($verb),
 145                 dbesc($str_contact_allow),
 146                 dbesc($str_group_allow),
 147                 dbesc($str_contact_deny),
 148                 dbesc($str_group_deny)
 149         );
 150         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 151                 dbesc($uri));
 152         if(count($r)) {
 153                 $post_id = $r[0]['id'];
 154
 155                 if($parent) {
 156
 157                         // This item is the last leaf and gets the comment box, clear any ancestors
 158                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 159                                 dbesc(datetime_convert()),
 160                                 intval($parent)
 161                         );
 162
 163                         // Inherit ACL's from the parent item.
 164                         // TODO merge with subsequent UPDATE operation and save a db write
 165
 166                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 167                                 WHERE `id` = %d LIMIT 1",
 168                                 dbesc($parent_item['allow_cid']),
 169                                 dbesc($parent_item['allow_gid']),
 170                                 dbesc($parent_item['deny_cid']),
 171                                 dbesc($parent_item['deny_gid']),
 172                                 intval($post_id)
 173                         );
 174
 175                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 176                                 require_once('bbcode.php');
 177                                 $from = $author['name'];
 178                                 $tpl = file_get_contents('view/cmnt_received_eml.tpl');
 179                                 $email_tpl = replace_macros($tpl, array(
 180                                         '$sitename' => $a->config['sitename'],
 181                                         '$siteurl' =>  $a->get_baseurl(),
 182                                         '$username' => $user['username'],
 183                                         '$email' => $user['email'],
 184                                         '$from' => $from,
 185                                         '$body' => strip_tags(bbcode($body))
 186                                 ));
 187
 188                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 189                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 190                         }
 191                 }
 192                 else {
 193                         $parent = $post_id;
 194
 195                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 196                                 require_once('bbcode.php');
 197                                 $from = $author['name'];
 198                                 $tpl = file_get_contents('view/wall_received_eml.tpl');
 199                                 $email_tpl = replace_macros($tpl, array(
 200                                         '$sitename' => $a->config['sitename'],
 201                                         '$siteurl' =>  $a->get_baseurl(),
 202                                         '$username' => $user['username'],
 203                                         '$email' => $user['email'],
 204                                         '$from' => $from,
 205                                         '$body' => strip_tags(bbcode($body))
 206                                 ));
 207
 208                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 209                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 210                         }
 211                 }
 212
 213                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 214                         WHERE `id` = %d LIMIT 1",
 215                         intval($parent),
 216                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 217                         dbesc(datetime_convert()),
 218                         intval($post_id)
 219                 );
 220                 // photo comments turn the corresponding item visible to the profile wall
 221                 if(! $parent_item['visible']) {
 222                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 223                                 intval($parent_item['id'])
 224                         );
 225                 }
 226         }
 227
 228         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 229
 230         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
 231                 array(),$foo));
 232
 233         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 234         return; // NOTREACHED
 235 }
 236
 237 function item_content(&$a) {
 238
 239         if((! local_user()) && (! remote_user()))
 240                 return;
 241
 242         require_once('include/security.php');
 243
 244         $uid = $_SESSION['uid'];
 245
 246         if(($a->argc == 3) && ($a->argv[1] == 'drop') && intval($a->argv[2])) {
 247
 248                 // locate item to be deleted
 249
 250                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 251                         intval($a->argv[2])
 252                 );
 253
 254                 if(! count($r)) {
 255                         notice( t('Item not found.') . EOL);
 256                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 257                 }
 258                 $item = $r[0];
 259
 260                 // check if logged in user is either the author or owner of this item
 261
 262                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 263
 264                         // delete the item
 265
 266                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 267                                 dbesc(datetime_convert()),
 268                                 dbesc(datetime_convert()),
 269                                 intval($item['id'])
 270                         );
 271
 272                         // If item is a link to a photo resource, nuke all the associated photos
 273                         // (visitors will not have photo resources)
 274                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 275                         // generate a resource-id and therefore aren't intimately linked to the item.
 276
 277                         if(strlen($item['resource-id'])) {
 278                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 279                                         dbesc($item['resource-id']),
 280                                         intval($item['uid'])
 281                                 );
 282                                 // ignore the result
 283                         }
 284
 285                         // If it's the parent of a comment thread, kill all the kids
 286
 287                         if($item['uri'] == $item['parent-uri']) {
 288                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 289                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 290                                         dbesc(datetime_convert()),
 291                                         dbesc(datetime_convert()),
 292                                         dbesc($item['parent-uri']),
 293                                         intval($item['uid'])
 294                                 );
 295                                 // ignore the result
 296                         }
 297                         else {
 298                                 // ensure that last-child is set in case the comment that had it just got wiped.
 299                                 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 300                                         dbesc(datetime_convert()),
 301                                         dbesc($item['parent-uri']),
 302                                         intval($item['uid'])
 303                                 );
 304                                 // who is the last child now?
 305                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
 306                                         dbesc($item['parent-uri']),
 307                                         intval($item['uid'])
 308                                 );
 309                                 if(count($r)) {
 310                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 311                                                 intval($r[0]['id'])
 312                                         );
 313                                 }
 314                         }
 315                         $drop_id = intval($item['id']);
 316                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 317
 318                         // send the notification upstream/downstream as the case may be
 319
 320                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
 321                                 array(), $foo));
 322
 323                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 324                         return; //NOTREACHED
 325                 }
 326                 else {
 327                         notice( t('Permission denied.') . EOL);
 328                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 329                         return; //NOTREACHED
 330                 }
 331         }
 332 }