/**
* Parses the uri from the current request.
* This method also sets FRIENDLY_URL as the detected method and applies the
* results to $_REQUEST and $_GET.
*/
public function parse_request_uri()
{
// Check if we have already defined the request method
if (self::$parsed_request) {
return;
}
// Mark the request as parsed
self::$parsed_request = true;
// Check if script uses friendly urls
if (!$this->is_eligible()) {
define('FRIENDLY_URL', FRIENDLY_URL_OFF);
return;
}
// Initialise resolution vars
$method = $uri = false;
// Get the requested path info
$rewrite = false;
// Check if script is in the uri
if (stripos(VB_URL_CLEAN, $this->script) !== false) {
// if the primaryvar was requested then we're not using friendly urls
if (isset($_GET[$this->idvar])) {
$method = FRIENDLY_URL_OFF;
// Get raw uri for 'always_route' friendlies
if ($this->always_route) {
$pat_off = preg_quote($this->script, '#') . '\\?' . preg_quote($this->idvar, '#') . '=([^=]*)(?:\\?|&|$)';
$matches = array();
if (preg_match("#{$pat_off}#sui", VB_URL_CLEAN, $matches)) {
$uri = $matches[1];
}
} else {
// the friendly will build the uri from the parsed query
$uri = false;
}
} else {
// Check for BASIC and ADVANCED
$pat_basic = preg_quote($this->script, '#') . '\\?([^=]*)(?:\\?|&|$)';
$pat_advanced = preg_quote($this->script, '#') . '/([^\\?]*)';
$matches = array();
if (preg_match("#{$pat_basic}#si", VB_URL_CLEAN, $matches)) {
$method = FRIENDLY_URL_BASIC;
$uri = $matches[1];
} else {
if (preg_match("#{$pat_advanced}#i", VB_URL_CLEAN, $matches)) {
$method = FRIENDLY_URL_ADVANCED;
$uri = $matches[1];
}
}
}
} else {
// Check for REWRITE
$pat_rewrite = '(?:' . preg_quote($this->rewrite_segment, '#') . '/)*' . preg_quote($this->rewrite_segment, '#') . '/([^\\?]*|$)';
/* Alternate fix for VBIV-14475 if the first fix has issues
$modifier = is_browser('ie') ? 'siu' : 'siu';
if (preg_match("#$pat_rewrite#{$modifier}", VB_URL_CLEAN, $matches))
*/
if (preg_match("#{$pat_rewrite}#sui", VB_URL_CLEAN, $matches)) {
$method = FRIENDLY_URL_REWRITE;
$uri = $matches[1];
}
}
// Check if we didn't detect a method
if (!$method) {
$method = FRIENDLY_URL_OFF;
}
// Set the decoded uri
self::$request_uri = urldecode($uri);
// Define the resolved friendly url method
define('FRIENDLY_URL', $method);
// If friendly url is off then there's nothing more to do
if (FRIENDLY_URL == FRIENDLY_URL_OFF) {
return;
}
// Remove the request uri from the query string
if (FRIENDLY_URL == FRIENDLY_URL_BASIC) {
unset($_REQUEST[self::$request_uri]);
array_shift($_GET);
}
// Fix a known issue with apache
if (is_server('apache') and isset($_SERVER['REDIRECT_URL'])) {
self::fix_query_string($url);
}
// Set the request based on the decoded fragment
if ($this->always_route) {
$_REQUEST[$this->idvar] = $_GET[$this->idvar] = self::$request_uri;
} else {
$this->set_request(self::$request_uri);
}
$this->registry->input->convert_shortvars($_GET, true);
}