diff options
Diffstat (limited to 'lib/SimpleSAML/Utils/HTTP.php')
| -rw-r--r-- | lib/SimpleSAML/Utils/HTTP.php | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/lib/SimpleSAML/Utils/HTTP.php b/lib/SimpleSAML/Utils/HTTP.php index d501162..bf7ac0c 100644 --- a/lib/SimpleSAML/Utils/HTTP.php +++ b/lib/SimpleSAML/Utils/HTTP.php @@ -66,6 +66,46 @@ class HTTP /** + * Add one or more query parameters to the given URL. + * + * @param string $url The URL the query parameters should be added to. + * @param array $parameters The query parameters which should be added to the url. This should be an associative + * array. + * + * @return string The URL with the new query parameters. + * @throws \SimpleSAML_Error_Exception If $url is not a string or $parameters is not an array. + * + * @author Andreas Solberg, UNINETT AS <andreas.solberg@uninett.no> + * @author Olav Morken, UNINETT AS <olav.morken@uninett.no> + */ + public static function addURLParameters($url, $parameters) + { + if (!is_string($url) || !is_array($parameters)) { + throw new \SimpleSAML_Error_Exception('Invalid input parameters.'); + } + + $queryStart = strpos($url, '?'); + if ($queryStart === false) { + $oldQuery = array(); + $url .= '?'; + } else { + $oldQuery = substr($url, $queryStart + 1); + if ($oldQuery === false) { + $oldQuery = array(); + } else { + $oldQuery = self::parseQueryString($oldQuery); + } + $url = substr($url, 0, $queryStart + 1); + } + + $query = array_merge($oldQuery, $parameters); + $url .= http_build_query($query, '', '&'); + + return $url; + } + + + /** * Retrieve the port number from $_SERVER environment variables. * * @return string The port number prepended by a colon, if it is different than the default port for the protocol @@ -107,7 +147,7 @@ class HTTP public static function parseQueryString($query_string) { if (!is_string($query_string)) { - throw new \SimpleSAML_Error_Exception('Invalid input parameters'); + throw new \SimpleSAML_Error_Exception('Invalid input parameters.'); } $res = array(); |