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If our host matched in File lookup, it could throw exceptions on Router->map

This commit is contained in:
Mikael Nordfeldth 2016-03-09 14:52:15 +01:00
parent d179afa303
commit a24c6fdb39
1 changed files with 23 additions and 10 deletions
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33
classes/File.php
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@ -113,17 +113,30 @@ class File extends Managed_DataObject
if (isset($u['host']) && $u['host'] === common_config('site', 'server')) { if (isset($u['host']) && $u['host'] === common_config('site', 'server')) {
$r = Router::get(); $r = Router::get();
// Skip the / in the beginning or $r->map won't match // Skip the / in the beginning or $r->map won't match
$args = $r->map(mb_substr($u['path'], 1)); try {
if ($args['action'] === 'attachment') { $args = $r->map(mb_substr($u['path'], 1));
try { if ($args['action'] === 'attachment') {
// $args['attachment'] should always be set if action===attachment, given our routing rules try {
$file = File::getByID($args['attachment']); // $args['attachment'] should always be set if action===attachment, given our routing rules
return $file; $file = File::getByID($args['attachment']);
} catch (EmptyIdException $e) { return $file;
// ...but $args['attachment'] can also be 0... } catch (EmptyIdException $e) {
} catch (NoResultException $e) { // ...but $args['attachment'] can also be 0...
// apparently this link goes to us, but is _not_ an existing attachment (File) ID? } catch (NoResultException $e) {
// apparently this link goes to us, but is _not_ an existing attachment (File) ID?
}
} }
} catch (Exception $e) {
// Some other exception was thrown from $r->map, likely a
// ClientException (404) because of some malformed link to
// our own instance. It's still a valid URL however, so we
// won't abort anything... I noticed this when linking:
// https://social.umeahackerspace.se/mmn/foaf' (notice the
// apostrophe in the end, making it unrecognizable for our
// URL routing.
// That specific issue (the apostrophe being part of a link
// is something that may or may not have been fixed since,
// in lib/util.php in common_replace_urls_callback().
} }
} }