mod/wall_attach.php

   1 <?php
   2
   3 require_once('include/attach.php');
   4 require_once('include/datetime.php');
   5
   6 function wall_attach_post(&$a) {
   7
   8         if($a->argc > 1) {
   9                 $nick = $a->argv[1];
  10                 $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
  11                         dbesc($nick)
  12                 );
  13                 if(! count($r))
  14                         return;
  15
  16         }
  17         else
  18                 return;
  19
  20         $can_post  = false;
  21         $visitor   = 0;
  22
  23         $page_owner_uid   = $r[0]['uid'];
  24         $page_owner_cid   = $r[0]['id'];
  25         $page_owner_nick  = $r[0]['nickname'];
  26         $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
  27
  28         if((local_user()) && (local_user() == $page_owner_uid))
  29                 $can_post = true;
  30         else {
  31                 if($community_page && remote_user()) {
  32                         $cid = 0;
  33                         if(is_array($_SESSION['remote'])) {
  34                                 foreach($_SESSION['remote'] as $v) {
  35                                         if($v['uid'] == $page_owner_uid) {
  36                                                 $cid = $v['cid'];
  37                                                 break;
  38                                         }
  39                                 }
  40                         }
  41                         if($cid) {
  42
  43                                 $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
  44                                         intval($cid),
  45                                         intval($page_owner_uid)
  46                                 );
  47                                 if(count($r)) {
  48                                         $can_post = true;
  49                                         $visitor = $cid;
  50                                 }
  51                         }
  52                 }
  53         }
  54         if(! $can_post) {
  55                 notice( t('Permission denied.') . EOL );
  56                 killme();
  57         }
  58
  59         if(! x($_FILES,'userfile'))
  60                 killme();
  61
  62         $src      = $_FILES['userfile']['tmp_name'];
  63         $filename = basename($_FILES['userfile']['name']);
  64         $filesize = intval($_FILES['userfile']['size']);
  65
  66         $maxfilesize = get_config('system','maxfilesize');
  67
  68         /* Found html code written in text field of form,
  69          * when trying to upload a file with filesize
  70          * greater than upload_max_filesize. Cause is unknown.
  71          * Then Filesize gets <= 0.
  72          */
  73
  74         if($filesize <=0) {
  75                 notice(t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(t('Or - did you try to upload an empty file?')) . EOL);
  76                 @unlink($src);
  77                 killme();
  78         }
  79
  80         if(($maxfilesize) && ($filesize > $maxfilesize)) {
  81                 notice( sprintf(t('File exceeds size limit of %d'), $maxfilesize) . EOL);
  82                 @unlink($src);
  83                 return;
  84         }
  85
  86         $r = q("select sum(octet_length(data)) as total from attach where uid = %d ",
  87                 intval($page_owner_uid)
  88         );
  89
  90         $limit = service_class_fetch($page_owner_uid,'attach_upload_limit');
  91
  92         if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
  93                 echo upgrade_message(true) . EOL ;
  94                 @unlink($src);
  95                 killme();
  96         }
  97
  98
  99         $filedata = @file_get_contents($src);
 100         $mimetype = z_mime_content_type($filename);
 101         $hash = random_string();
 102         $created = datetime_convert();
 103         $r = q("INSERT INTO `attach` ( `uid`, `hash`, `filename`, `filetype`, `filesize`, `data`, `created`, `edited`, `allow_cid`, `allow_gid`,`deny_cid`, `deny_gid` )
 104                 VALUES ( %d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
 105                 intval($page_owner_uid),
 106                 dbesc($hash),
 107                 dbesc($filename),
 108                 dbesc($mimetype),
 109                 intval($filesize),
 110                 dbesc($filedata),
 111                 dbesc($created),
 112                 dbesc($created),
 113                 dbesc('<' . $page_owner_cid . '>'),
 114                 dbesc(''),
 115                 dbesc(''),
 116                 dbesc('')
 117         );
 118
 119         @unlink($src);
 120
 121         if(! $r) {
 122                 echo ( t('File upload failed.') . EOL);
 123                 killme();
 124         }
 125
 126         $r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1",
 127                 intval($page_owner_uid),
 128                 dbesc($created),
 129                 dbesc($hash)
 130         );
 131
 132         if(! count($r)) {
 133                 echo ( t('File upload failed.') . EOL);
 134                 killme();
 135         }
 136
 137         $lf = "\n";
 138
 139         echo  $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf;
 140
 141         killme();
 142         // NOTREACHED
 143 }