wamo/gnu-social
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Merge remote branch 'statusnet/master' into testing

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This commit is contained in:
Brion Vibber 2010-02-01 09:04:13 -08:00
commit 1625a13b93
2 changed files with 18 additions and 1 deletions
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2
actions/getfile.php
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@ -71,7 +71,7 @@ class GetfileAction extends Action
$filename = $this->trimmed('filename');
$path = null;
if ($filename) {
if ($filename && File::validFilename($filename)) {
$path = File::path($filename);
}

17
classes/File.php
View File

@ -176,8 +176,22 @@ class File extends Memcached_DataObject
return "$nickname-$datestamp-$random.$ext";
}
/**
* Validation for as-saved base filenames
*/
static function validFilename($filename)
{
return preg_match('^/[A-Za-z0-9._-]+$/', $filename);
}
/**
* @throws ClientException on invalid filename
*/
static function path($filename)
{
if (!self::validFilename($filename)) {
throw new ClientException("Invalid filename");
}
$dir = common_config('attachments', 'dir');
if ($dir[strlen($dir)-1] != '/') {
@ -189,6 +203,9 @@ class File extends Memcached_DataObject
static function url($filename)
{
if (!self::validFilename($filename)) {
throw new ClientException("Invalid filename");
}
if(common_config('site','private')) {
return common_local_url('getfile',