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Fix for attachment "h bug": posting a shortened link to an oembed-able resource that has been previously used in the system would incorrectly save "h" as the item's type and title.

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This commit is contained in:
Brion Vibber
2010-03-10 13:39:42 -08:00
parent 4741683298
commit f02cb7c718
3 changed files with 62 additions and 6 deletions
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51
classes/File_redirection.php
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@@ -115,11 +115,45 @@ class File_redirection extends Memcached_DataObject
return $ret;
}
/**
* Check if this URL is a redirect and return redir info.
* If a File record is present for this URL, it is not considered a redirect.
* If a File_redirection record is present for this URL, the recorded target is returned.
*
* If no File or File_redirect record is present, the URL is hit and any
* redirects are followed, up to 10 levels or until a protected URL is
* reached.
*
* @param string $in_url
* @return mixed one of:
* string - target URL, if this is a direct link or a known redirect
* array - redirect info if this is an *unknown* redirect:
* associative array with the following elements:
* code: HTTP status code
* redirects: count of redirects followed
* url: URL string of final target
* type (optional): MIME type from Content-Type header
* size (optional): byte size from Content-Length header
* time (optional): timestamp from Last-Modified header
*/
function where($in_url) {
$ret = File_redirection::_redirectWhere_imp($in_url);
return $ret;
}
/**
* Shorten a URL with the current user's configured shortening
* options, if applicable.
*
* If it cannot be shortened or the "short" URL is longer than the
* original, the original is returned.
*
* If the referenced item has not been seen before, embedding data
* may be saved.
*
* @param string $long_url
* @return string
*/
function makeShort($long_url) {
$canon = File_redirection::_canonUrl($long_url);
@@ -141,11 +175,20 @@ class File_redirection extends Memcached_DataObject
// store it
$file = File::staticGet('url', $long_url);
if (empty($file)) {
// Check if the target URL is itself a redirect...
$redir_data = File_redirection::where($long_url);
$file = File::saveNew($redir_data, $long_url);
$file_id = $file->id;
if (!empty($redir_data['oembed']['json'])) {
File_oembed::saveNew($redir_data['oembed']['json'], $file_id);
if (is_array($redir_data)) {
// We haven't seen the target URL before.
// Save file and embedding data about it!
$file = File::saveNew($redir_data, $long_url);
$file_id = $file->id;
if (!empty($redir_data['oembed']['json'])) {
File_oembed::saveNew($redir_data['oembed']['json'], $file_id);
}
} else if (is_string($redir_data)) {
// The file is a known redirect target.
$file = File::staticGet('url', $redir_data);
$file_id = $file->id;
}
} else {
$file_id = $file->id;