diff options
Diffstat (limited to 'system/core/URI.php')
| -rw-r--r-- | system/core/URI.php | 103 |
1 files changed, 75 insertions, 28 deletions
diff --git a/system/core/URI.php b/system/core/URI.php index 3d942eda7..6692d07a6 100644 --- a/system/core/URI.php +++ b/system/core/URI.php @@ -98,12 +98,12 @@ class CI_URI { // Is the request coming from the command line? if ($this->_is_cli_request()) { - $this->_set_uri_string($this->_parse_cli_args()); + $this->_set_uri_string($this->_parse_argv()); return; } // Let's try the REQUEST_URI first, this will work in most situations - if ($uri = $this->_detect_uri()) + if (($uri = $this->_parse_request_uri()) !== '') { $this->_set_uri_string($uri); return; @@ -111,18 +111,17 @@ class CI_URI { // Is there a PATH_INFO variable? // Note: some servers seem to have trouble with getenv() so we'll test it two ways - $path = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO'); - if (trim($path, '/') !== '' && $path !== '/'.SELF) + $uri = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO'); + if (trim($uri, '/') !== '' && $uri !== '/'.SELF) { $this->_set_uri_string($path); return; } // No PATH_INFO?... What about QUERY_STRING? - $path = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING'); - if (trim($path, '/') !== '') + if (($uri = $this->_parse_query_string()) !== '') { - $this->_set_uri_string($path); + $this->_set_uri_string($uri); return; } @@ -140,19 +139,19 @@ class CI_URI { $uri = strtoupper($this->config->item('uri_protocol')); - if ($uri === 'REQUEST_URI') + if ($uri === 'CLI') { - $this->_set_uri_string($this->_detect_uri()); + $this->_set_uri_string($this->_parse_argv()); return; } - elseif ($uri === 'CLI') + elseif (method_exists($this, ($method = '_parse_'.strtolower($uri)))) { - $this->_set_uri_string($this->_parse_cli_args()); + $this->_set_uri_string($this->$method()); return; } - $path = isset($_SERVER[$uri]) ? $_SERVER[$uri] : @getenv($uri); - $this->_set_uri_string($path); + $uri = isset($_SERVER[$uri]) ? $_SERVER[$uri] : @getenv($uri); + $this->_set_uri_string($uri); } // -------------------------------------------------------------------- @@ -172,13 +171,15 @@ class CI_URI { // -------------------------------------------------------------------- /** - * Detects URI + * Parse REQUEST_URI * - * Will detect the URI automatically and fix the query string if necessary. + * Will parse REQUEST_URI and automatically detect the URI from it, + * while fixing the query string if necessary. * + * @used-by CI_URI::_fetch_uri_string() * @return string */ - protected function _detect_uri() + protected function _parse_request_uri() { if ( ! isset($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME'])) { @@ -197,10 +198,10 @@ class CI_URI { { $uri = (string) substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME']))); } + // This section ensures that even on servers that require the URI to be in the query string (Nginx) a correct // URI is found, and also fixes the QUERY_STRING server var and $_GET array. - - if ($uri === '' && strncmp($query, '/', 1) === 0) + if (trim($uri, '/') === '' && strncmp($query, '/', 1) === 0) { $query = explode('?', $query, 2); $uri = $query[0]; @@ -211,14 +212,7 @@ class CI_URI { $_SERVER['QUERY_STRING'] = $query; } - if ($_SERVER['QUERY_STRING'] === '') - { - $_GET = array(); - } - else - { - parse_str($_SERVER['QUERY_STRING'], $_GET); - } + $this->_reset_query_string(); if ($uri === '/' OR $uri === '') { @@ -232,6 +226,59 @@ class CI_URI { // -------------------------------------------------------------------- /** + * Parse QUERY_STRING + * + * Will parse QUERY_STRING and automatically detect the URI from it. + * + * @used-by CI_URI::_fetch_uri_string() + * @return string + */ + protected function _parse_query_string() + { + $uri = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING'); + + if (trim($uri, '/') === '') + { + return ''; + } + elseif (strncmp($uri, '/', 1) === 0) + { + $uri = explode('?', $uri, 2); + $_SERVER['QUERY_STRING'] = isset($uri[1]) ? $uri[1] : ''; + $uri = $uri[0]; + } + $this->_reset_query_string(); + + return str_replace(array('//', '../'), '/', trim($uri, '/')); + } + + // -------------------------------------------------------------------- + + /** + * Reset QUERY_STRING + * + * Re-processes QUERY_STRING to and fetches the real GET values from it. + * Useful for cases where we got the URI path from it's query string. + * + * @used-by CI_URI::_parse_request_uri() + * @used-by CI_URI::_parse_query_string() + * @return void + */ + protected function _reset_query_string() + { + if ($_SERVER['QUERY_STRING'] === '') + { + $_GET = array(); + } + else + { + parse_str($_SERVER['QUERY_STRING']); + } + } + + // -------------------------------------------------------------------- + + /** * Is CLI Request? * * Duplicate of method from the Input class to test to see if @@ -255,10 +302,10 @@ class CI_URI { * * @return string */ - protected function _parse_cli_args() + protected function _parse_argv() { $args = array_slice($_SERVER['argv'], 1); - return $args ? '/'.implode('/', $args) : ''; + return $args ? implode('/', $args) : ''; } // -------------------------------------------------------------------- |