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-rw-r--r--system/libraries/Router.php247
1 files changed, 26 insertions, 221 deletions
diff --git a/system/libraries/Router.php b/system/libraries/Router.php
index 6af6ad380..6fca45227 100644
--- a/system/libraries/Router.php
+++ b/system/libraries/Router.php
@@ -28,10 +28,7 @@
*/
class CI_Router {
- var $config;
- var $uri_string = '';
- var $segments = array();
- var $rsegments = array();
+ var $config;
var $routes = array();
var $error_routes = array();
var $class = '';
@@ -49,7 +46,8 @@ class CI_Router {
function CI_Router()
{
$this->config =& load_class('Config');
- $this->_set_route_mapping();
+ $this->uri =& load_class('URI');
+ $this->_set_routing();
log_message('debug', "Router Class Initialized");
}
@@ -64,17 +62,17 @@ class CI_Router {
* @access private
* @return void
*/
- function _set_route_mapping()
+ function _set_routing()
{
// Are query strings enabled in the config file?
// If so, we're done since segment based URIs are not used with query strings.
if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')]))
{
- $this->set_class(trim($this->_filter_uri($_GET[$this->config->item('controller_trigger')])));
+ $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')])));
if (isset($_GET[$this->config->item('function_trigger')]))
{
- $this->set_method(trim($this->_filter_uri($_GET[$this->config->item('function_trigger')])));
+ $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')])));
}
return;
@@ -90,16 +88,10 @@ class CI_Router {
$this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);
// Fetch the complete URI string
- $this->uri_string = $this->_get_uri_string();
-
- // If the URI contains only a slash we'll kill it
- if ($this->uri_string == '/')
- {
- $this->uri_string = '';
- }
+ $this->uri->_fetch_uri_string();
// Is there a URI string? If not, the default controller specified in the "routes" file will be shown.
- if ($this->uri_string == '')
+ if ($this->uri->uri_string == '')
{
if ($this->default_controller === FALSE)
{
@@ -114,47 +106,35 @@ class CI_Router {
}
unset($this->routes['default_controller']);
- // Do we need to remove the suffix specified in the config file?
- if ($this->config->item('url_suffix') != "")
- {
- $this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);
- }
+ // Do we need to remove the URL suffix?
+ $this->uri->_remove_url_suffix();
- // Explode the URI Segments. The individual segments will
- // be stored in the $this->segments array.
- foreach(explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)
- {
- // Filter segments for security
- $val = trim($this->_filter_uri($val));
-
- if ($val != '')
- $this->segments[] = $val;
- }
+ // Compile the segments into an array
+ $this->uri->_explode_segments();
// Parse any custom routing that may exist
$this->_parse_routes();
// Re-index the segment array so that it starts with 1 rather than 0
- $this->_reindex_segments();
+ $this->uri->_reindex_segments();
}
// --------------------------------------------------------------------
/**
- * Compile Segments
+ * Set the Route
*
* This function takes an array of URI segments as
- * input, and puts it into the $this->segments array.
- * It also sets the current class/method
+ * input, and sets the current class/method
*
* @access private
* @param array
* @param bool
* @return void
*/
- function _compile_segments($segments = array())
+ function _set_request($segments = array())
{
- $segments = $this->_validate_segments($segments);
+ $segments = $this->_validate_request($segments);
if (count($segments) == 0)
{
@@ -180,8 +160,8 @@ class CI_Router {
// Update our "routed" segment array to contain the segments.
// Note: If there is no custom routing, this array will be
- // identical to $this->segments
- $this->rsegments = $segments;
+ // identical to $this->uri->segments
+ $this->uri->rsegments = $segments;
}
// --------------------------------------------------------------------
@@ -194,7 +174,7 @@ class CI_Router {
* @param array
* @return array
*/
- function _validate_segments($segments)
+ function _validate_request($segments)
{
// Does the requested controller exist in the root folder?
if (file_exists(APPPATH.'controllers/'.$segments[0].EXT))
@@ -237,182 +217,7 @@ class CI_Router {
// Can't find the requested controller...
show_404();
}
-
- // --------------------------------------------------------------------
- /**
- * Re-index Segments
- *
- * This function re-indexes the $this->segment array so that it
- * starts at 1 rather then 0. Doing so makes it simpler to
- * use functions like $this->uri->segment(n) since there is
- * a 1:1 relationship between the segment array and the actual segments.
- *
- * @access private
- * @return void
- */
- function _reindex_segments()
- {
- // Is the routed segment array different then the main segment array?
- $diff = (count(array_diff($this->rsegments, $this->segments)) == 0) ? FALSE : TRUE;
-
- $i = 1;
- foreach ($this->segments as $val)
- {
- $this->segments[$i++] = $val;
- }
- unset($this->segments[0]);
- if ($diff == FALSE)
- {
- $this->rsegments = $this->segments;
- }
- else
- {
- $i = 1;
- foreach ($this->rsegments as $val)
- {
- $this->rsegments[$i++] = $val;
- }
- unset($this->rsegments[0]);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get the URI String
- *
- * @access private
- * @return string
- */
- function _get_uri_string()
- {
- if (strtoupper($this->config->item('uri_protocol')) == 'AUTO')
- {
- // If the URL has a question mark then it's simplest to just
- // build the URI string from the zero index of the $_GET array.
- // This avoids having to deal with $_SERVER variables, which
- // can be unreliable in some environments
- if (is_array($_GET) AND count($_GET) == 1)
- {
- // Note: Due to a bug in current() that affects some versions
- // of PHP we can not pass function call directly into it
- $keys = array_keys($_GET);
- return current($keys);
- }
-
- // 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'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO');
- if ($path != '' AND $path != "/".SELF)
- {
- return $path;
- }
-
- // No PATH_INFO?... What about QUERY_STRING?
- $path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
- if ($path != '')
- {
- return $path;
- }
-
- // No QUERY_STRING?... Maybe the ORIG_PATH_INFO variable exists?
- $path = (isset($_SERVER['ORIG_PATH_INFO'])) ? $_SERVER['ORIG_PATH_INFO'] : @getenv('ORIG_PATH_INFO');
- if ($path != '' AND $path != "/".SELF)
- {
- return $path;
- }
-
- // We've exhausted all our options...
- return '';
- }
- else
- {
- $uri = strtoupper($this->config->item('uri_protocol'));
-
- if ($uri == 'REQUEST_URI')
- {
- return $this->_parse_request_uri();
- }
-
- return (isset($_SERVER[$uri])) ? $_SERVER[$uri] : @getenv($uri);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Parse the REQUEST_URI
- *
- * Due to the way REQUEST_URI works it usually contains path info
- * that makes it unusable as URI data. We'll trim off the unnecessary
- * data, hopefully arriving at a valid URI that we can use.
- *
- * @access private
- * @return string
- */
- function _parse_request_uri()
- {
- if ( ! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
- {
- return '';
- }
-
- $request_uri = preg_replace("|/(.*)|", "\\1", str_replace("\\", "/", $_SERVER['REQUEST_URI']));
-
- if ($request_uri == '' OR $request_uri == SELF)
- {
- return '';
- }
-
- $fc_path = FCPATH;
- if (strpos($request_uri, '?') !== FALSE)
- {
- $fc_path .= '?';
- }
-
- $parsed_uri = explode("/", $request_uri);
-
- $i = 0;
- foreach(explode("/", $fc_path) as $segment)
- {
- if (isset($parsed_uri[$i]) AND $segment == $parsed_uri[$i])
- {
- $i++;
- }
- }
-
- $parsed_uri = implode("/", array_slice($parsed_uri, $i));
-
- if ($parsed_uri != '')
- {
- $parsed_uri = '/'.$parsed_uri;
- }
-
- return $parsed_uri;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Filter segments for malicious characters
- *
- * @access private
- * @param string
- * @return string
- */
- function _filter_uri($str)
- {
- if ($this->config->item('permitted_uri_chars') != '')
- {
- if ( ! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))
- {
- exit('The URI you submitted has disallowed characters.');
- }
- }
- return $str;
- }
-
// --------------------------------------------------------------------
/**
@@ -431,18 +236,18 @@ class CI_Router {
// There is a default scaffolding trigger, so we'll look just for 1
if (count($this->routes) == 1)
{
- $this->_compile_segments($this->segments);
+ $this->_set_request($this->uri->segments);
return;
}
// Turn the segment array into a URI string
- $uri = implode('/', $this->segments);
- $num = count($this->segments);
+ $uri = implode('/', $this->uri->segments);
+ $num = count($this->uri->segments);
// Is there a literal match? If so we're done
if (isset($this->routes[$uri]))
{
- $this->_compile_segments(explode('/', $this->routes[$uri]));
+ $this->_set_request(explode('/', $this->routes[$uri]));
return;
}
@@ -461,14 +266,14 @@ class CI_Router {
$val = preg_replace('#^'.$key.'$#', $val, $uri);
}
- $this->_compile_segments(explode('/', $val));
+ $this->_set_request(explode('/', $val));
return;
}
}
// If we got this far it means we didn't encounter a
// matching route so we'll set the site default route
- $this->_compile_segments($this->segments);
+ $this->_set_request($this->uri->segments);
}
// --------------------------------------------------------------------
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-10 23:19:57 +0100