mod/wall_attach.php

   1 <?php
   2
   3 require_once('include/attach.php');
   4 require_once('include/datetime.php');
   5
   6 if(! function_exists('wall_attach_post')) {
   7 function wall_attach_post(&$a) {
   8
   9         $r_json = (x($_GET,'response') && $_GET['response']=='json');
  10
  11         if($a->argc > 1) {
  12                 $nick = $a->argv[1];
  13                 $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
  14                         dbesc($nick)
  15                 );
  16                 if(! count($r)){
  17                         if ($r_json) {
  18                             echo json_encode(array('error'=>t('Invalid request.')));
  19                             killme();
  20                         }
  21                         return;
  22         }
  23
  24         } else {
  25                 if ($r_json) {
  26                     echo json_encode(array('error'=>t('Invalid request.')));
  27                     killme();
  28                 }
  29                 return;
  30     }
  31
  32         $can_post  = false;
  33         $visitor   = 0;
  34
  35         $page_owner_uid   = $r[0]['uid'];
  36         $page_owner_cid   = $r[0]['id'];
  37         $page_owner_nick  = $r[0]['nickname'];
  38         $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
  39
  40         if((local_user()) && (local_user() == $page_owner_uid))
  41                 $can_post = true;
  42         else {
  43                 if($community_page && remote_user()) {
  44                         $cid = 0;
  45                         if(is_array($_SESSION['remote'])) {
  46                                 foreach($_SESSION['remote'] as $v) {
  47                                         if($v['uid'] == $page_owner_uid) {
  48                                                 $cid = $v['cid'];
  49                                                 break;
  50                                         }
  51                                 }
  52                         }
  53                         if($cid) {
  54
  55                                 $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
  56                                         intval($cid),
  57                                         intval($page_owner_uid)
  58                                 );
  59                                 if(count($r)) {
  60                                         $can_post = true;
  61                                         $visitor = $cid;
  62                                 }
  63                         }
  64                 }
  65         }
  66         if(! $can_post) {
  67                 if ($r_json) {
  68                     echo json_encode(array('error'=>t('Permission denied.')));
  69                     killme();
  70                 }
  71                 notice( t('Permission denied.') . EOL );
  72                 killme();
  73         }
  74
  75         if(! x($_FILES,'userfile')) {
  76                 if ($r_json) {
  77                     echo json_encode(array('error'=>t('Invalid request.')));
  78                 }
  79                 killme();
  80         }
  81
  82         $src      = $_FILES['userfile']['tmp_name'];
  83         $filename = basename($_FILES['userfile']['name']);
  84         $filesize = intval($_FILES['userfile']['size']);
  85
  86         $maxfilesize = get_config('system','maxfilesize');
  87
  88         /* Found html code written in text field of form,
  89          * when trying to upload a file with filesize
  90          * greater than upload_max_filesize. Cause is unknown.
  91          * Then Filesize gets <= 0.
  92          */
  93
  94         if($filesize <=0) {
  95                 $msg = t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(t('Or - did you try to upload an empty file?'));
  96                 if ($r_json) {
  97                         echo json_encode(array('error'=>$msg));
  98                 } else {
  99                         notice( $msg. EOL );
 100                 }
 101                 @unlink($src);
 102                 killme();
 103         }
 104
 105         if(($maxfilesize) && ($filesize > $maxfilesize)) {
 106                 $msg = sprintf(t('File exceeds size limit of %s'), formatBytes($maxfilesize));
 107                 if ($r_json) {
 108                         echo json_encode(array('error'=>$msg));
 109                 } else {
 110                         echo  $msg. EOL ;
 111                 }
 112                 @unlink($src);
 113                 killme();
 114         }
 115
 116         $r = q("select sum(octet_length(data)) as total from attach where uid = %d ",
 117                 intval($page_owner_uid)
 118         );
 119
 120         $limit = service_class_fetch($page_owner_uid,'attach_upload_limit');
 121
 122         if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
 123                 $msg = upgrade_message(true);
 124                 if ($r_json) {
 125                         echo json_encode(array('error'=>$msg));
 126                 } else {
 127                         echo  $msg. EOL ;
 128                 }
 129                 @unlink($src);
 130                 killme();
 131         }
 132
 133
 134         $filedata = @file_get_contents($src);
 135         $mimetype = z_mime_content_type($filename);
 136         $hash = get_guid(64);
 137         $created = datetime_convert();
 138         $r = q("INSERT INTO `attach` ( `uid`, `hash`, `filename`, `filetype`, `filesize`, `data`, `created`, `edited`, `allow_cid`, `allow_gid`,`deny_cid`, `deny_gid` )
 139                 VALUES ( %d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
 140                 intval($page_owner_uid),
 141                 dbesc($hash),
 142                 dbesc($filename),
 143                 dbesc($mimetype),
 144                 intval($filesize),
 145                 dbesc($filedata),
 146                 dbesc($created),
 147                 dbesc($created),
 148                 dbesc('<' . $page_owner_cid . '>'),
 149                 dbesc(''),
 150                 dbesc(''),
 151                 dbesc('')
 152         );
 153
 154         @unlink($src);
 155
 156         if(! $r) {
 157                 $msg =  t('File upload failed.');
 158                 if ($r_json) {
 159                         echo json_encode(array('error'=>$msg));
 160                 } else {
 161                         echo  $msg. EOL ;
 162                 }
 163                 killme();
 164         }
 165
 166         $r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1",
 167                 intval($page_owner_uid),
 168                 dbesc($created),
 169                 dbesc($hash)
 170         );
 171
 172         if(! count($r)) {
 173                 $msg = t('File upload failed.');
 174                 if ($r_json) {
 175                         echo json_encode(array('error'=>$msg));
 176                 } else {
 177                         echo  $msg. EOL ;
 178                 }
 179                 killme();
 180         }
 181
 182         if ($r_json) {
 183             echo json_encode(array('ok'=>true));
 184             killme();
 185         }
 186
 187         $lf = "\n";
 188
 189         echo  $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf;
 190
 191         killme();
 192         // NOTREACHED
 193 }
 194 }