Fixup script for files w/ bogus data saved into file record ('h bug')

This commit is contained in:
Brion Vibber 2010-03-10 14:31:29 -08:00
parent f02cb7c718
commit 294b290dd9
3 changed files with 64 additions and 24 deletions

View File

@ -84,19 +84,36 @@ class File extends Memcached_DataObject
if (isset($redir_data['time']) && $redir_data['time'] > 0) $x->date = intval($redir_data['time']);
$file_id = $x->insert();
$x->saveOembed($redir_data, $given_url);
return $x;
}
/**
* Save embedding information for this file, if applicable.
*
* Normally this won't need to be called manually, as File::saveNew()
* takes care of it.
*
* @param array $redir_data lookup data eg from File_redirection::where()
* @param string $given_url
* @return boolean success
*/
public function saveOembed($redir_data, $given_url)
{
if (isset($redir_data['type'])
&& (('text/html' === substr($redir_data['type'], 0, 9) || 'application/xhtml+xml' === substr($redir_data['type'], 0, 21)))
&& ($oembed_data = File_oembed::_getOembed($given_url))) {
$fo = File_oembed::staticGet('file_id', $file_id);
$fo = File_oembed::staticGet('file_id', $this->id);
if (empty($fo)) {
File_oembed::saveNew($oembed_data, $file_id);
File_oembed::saveNew($oembed_data, $this->id);
return true;
} else {
common_log(LOG_WARNING, "Strangely, a File_oembed object exists for new file $file_id", __FILE__);
}
}
return $x;
return false;
}
function processNew($given_url, $notice_id=null) {
@ -112,6 +129,7 @@ class File extends Memcached_DataObject
$redir_url = $redir_data['url'];
} elseif (is_string($redir_data)) {
$redir_url = $redir_data;
$redir_data = array();
} else {
throw new ServerException("Can't process url '$given_url'");
}

View File

@ -84,10 +84,10 @@ class File_oembed extends Memcached_DataObject
/**
* Save embedding info for a new file.
*
* @param array $data lookup data as from File_redirection::where
* @param object $data Services_oEmbed_Object_*
* @param int $file_id
*/
function saveNew(array $data, $file_id) {
function saveNew($data, $file_id) {
$file_oembed = new File_oembed;
$file_oembed->file_id = $file_id;
$file_oembed->version = $data->version;

View File

@ -58,24 +58,30 @@ class File_redirection extends Memcached_DataObject
return $request;
}
function _redirectWhere_imp($short_url, $redirs = 10, $protected = false) {
/**
* Check if this URL is a redirect and return redir info.
*
* Most code should call File_redirection::where instead, to check if we
* already know that redirection and avoid extra hits to the web.
*
* The URL is hit and any redirects are followed, up to 10 levels or until
* a protected URL is reached.
*
* @param string $in_url
* @return mixed one of:
* string - target URL, if this is a direct link or can't be followed
* array - redirect info if this is an *unknown* redirect:
* associative array with the following elements:
* code: HTTP status code
* redirects: count of redirects followed
* url: URL string of final target
* type (optional): MIME type from Content-Type header
* size (optional): byte size from Content-Length header
* time (optional): timestamp from Last-Modified header
*/
public function lookupWhere($short_url, $redirs = 10, $protected = false) {
if ($redirs < 0) return false;
// let's see if we know this...
$a = File::staticGet('url', $short_url);
if (!empty($a)) {
// this is a direct link to $a->url
return $a->url;
} else {
$b = File_redirection::staticGet('url', $short_url);
if (!empty($b)) {
// this is a redirect to $b->file_id
$a = File::staticGet('id', $b->file_id);
return $a->url;
}
}
if(strpos($short_url,'://') === false){
return $short_url;
}
@ -93,12 +99,13 @@ class File_redirection extends Memcached_DataObject
}
} catch (Exception $e) {
// Invalid URL or failure to reach server
common_log(LOG_ERR, "Error while following redirects for $short_url: " . $e->getMessage());
return $short_url;
}
if ($response->getRedirectCount() && File::isProtected($response->getUrl())) {
// Bump back up the redirect chain until we find a non-protected URL
return self::_redirectWhere_imp($short_url, $response->getRedirectCount() - 1, true);
return self::lookupWhere($short_url, $response->getRedirectCount() - 1, true);
}
$ret = array('code' => $response->getStatus()
@ -136,8 +143,23 @@ class File_redirection extends Memcached_DataObject
* size (optional): byte size from Content-Length header
* time (optional): timestamp from Last-Modified header
*/
function where($in_url) {
$ret = File_redirection::_redirectWhere_imp($in_url);
public function where($in_url) {
// let's see if we know this...
$a = File::staticGet('url', $in_url);
if (!empty($a)) {
// this is a direct link to $a->url
return $a->url;
} else {
$b = File_redirection::staticGet('url', $in_url);
if (!empty($b)) {
// this is a redirect to $b->file_id
$a = File::staticGet('id', $b->file_id);
return $a->url;
}
}
$ret = File_redirection::lookupWhere($in_url);
return $ret;
}