Url::add_url_handler(): clean code and return bool
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5ce273cfad
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1 changed files with 75 additions and 54 deletions
99
src/Url.php
99
src/Url.php
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@ -79,52 +79,68 @@ class Url {
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* authenticated users (optional, default: true if the
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* special force_authentication function is defined,
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* false otherwise)
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* @param boolean $override Allow override if a command already exists with the
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* @param boolean $overwrite Allow overwrite if a command already exists with the
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* same name (optional, default: false)
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* @param boolean $api_mode Enable API mode (optional, default: false)
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* @param array|string|null $methods HTTP method (optional, default: array('GET', 'POST'))
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* @param array|string|null $http_methods HTTP method (optional, default: array('GET', 'POST'))
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* @return bool
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**/
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public static function add_url_handler($pattern, $handler=null, $additional_info=null,
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$authenticated=null, $override=true, $api_mode=false,
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$methods=null) {
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$authenticated=null, $overwrite=true, $api_mode=false,
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$http_methods=null) {
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$authenticated = (
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is_null($authenticated)?
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function_exists('force_authentication'):
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(bool)$authenticated
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);
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if (is_null($methods))
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$methods = array('GET', 'POST');
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elseif (!is_array($methods))
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$methods = array($methods);
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// Check HTTP methods parameter
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if (is_null($http_methods))
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$http_methods = array('GET', 'POST');
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elseif (!is_array($http_methods))
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$http_methods = array($http_methods);
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// If multiple patterns specify using an array, add each of them
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if (is_array($pattern)) {
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$error = false;
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if (is_null($handler))
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foreach($pattern as $p => $h)
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self :: add_url_handler(
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$p, $h, $additional_info, $authenticated, $override, $api_mode, $methods);
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if (
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!self :: add_url_handler(
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$p, $h, $additional_info, $authenticated, $overwrite, $api_mode, $http_methods)
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) $error = true;
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else
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foreach($pattern as $p)
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self :: add_url_handler(
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$p, $handler, $additional_info, $authenticated, $override, $api_mode, $methods);
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if (
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!self :: add_url_handler(
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$p, $handler, $additional_info, $authenticated, $overwrite, $api_mode, $http_methods)
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) $error = true;
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return !$error;
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}
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else {
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if (!isset(self :: $patterns[$pattern])) {
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self :: $patterns[$pattern] = array(
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'handler' => $handler,
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'additional_info' => (
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is_array($additional_info)?
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$additional_info:array()
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),
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'authenticated' => $authenticated,
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'api_mode' => $api_mode,
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'methods' => $methods,
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);
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$error = false;
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foreach($http_methods as $http_method) {
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if (!isset(self :: $patterns[$http_method]))
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self :: $patterns[$http_method] = array();
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// Check overwrite
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if (isset(self :: $patterns[$http_method][$pattern])) {
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if (!$overwrite) {
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Log :: error(
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"URL : pattern '%s' already defined for HTTP method %s: do not overwrite.".
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$pattern, $http_method);
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$error = true;
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continue;
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}
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elseif ($override) {
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Log :: debug(
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"URL : override pattern '%s' with handler '%s' (old handler = '%s')".
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$pattern, format_callable($handler), vardump(self :: $patterns[$pattern])
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"URL : overwrite pattern '%s' for HTTP method %s with handler '%s' ".
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"(old handler = '%s')".
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$pattern, $http_method, format_callable($handler),
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vardump(self :: $patterns[$http_method][$pattern])
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);
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self :: $patterns[$pattern] = array(
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}
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// Register URL pattern info
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self :: $patterns[$http_method][$pattern] = array(
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'handler' => $handler,
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'additional_info' => (
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is_array($additional_info)?
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@ -132,13 +148,14 @@ class Url {
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),
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'authenticated' => $authenticated,
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'api_mode' => $api_mode,
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'methods' => $methods,
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);
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Log :: trace(
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"URL: Register pattern '%s' on HTTP %s with :\n%s",
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$pattern, $http_method, vardump(self :: $patterns[$http_method][$pattern])
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);
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}
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else {
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Log :: debug("URL : pattern '$pattern' already defined : do not override.");
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}
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}
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return !$error;
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}
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/**
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@ -248,12 +265,13 @@ class Url {
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}
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Log :: debug("URL : current url = '$current_url'");
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if (array_key_exists($_SERVER['REQUEST_METHOD'], self :: $patterns)) {
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Log :: trace(
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"URL : check current url with the following URL patterns :\n - ".
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implode("\n - ", array_keys(self :: $patterns))
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);
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foreach (self :: $patterns as $pattern => $handler_infos) {
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$m = self :: url_match($pattern, $current_url, $handler_infos['methods']);
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foreach (self :: $patterns[$_SERVER['REQUEST_METHOD']] as $pattern => $handler_infos) {
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$m = self :: url_match($pattern, $current_url);
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if (is_array($m)) {
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$request = new UrlRequest($current_url, $handler_infos, $m);
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// Reset last redirect
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@ -263,6 +281,12 @@ class Url {
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return $request;
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}
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}
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}
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else {
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Log :: debug(
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'URL: no URL pattern registered for %s HTTP method',
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$_SERVER['REQUEST_METHOD']);
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}
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if ($default_url !== false) {
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Log :: debug("Current url match with no pattern. Redirect to default url ('$default_url')");
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self :: redirect($default_url);
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@ -287,13 +311,10 @@ class Url {
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*
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* @param string $pattern The URL pattern
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* @param string|false $current_url The current URL (optional)
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* @param array|null $methods HTTP method (optional, default: no check)
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*
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* @return array|false The URL info if pattern matched, false otherwise.
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**/
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public static function url_match($pattern, $current_url=false, $methods=null) {
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if ($methods && !in_array($_SERVER['REQUEST_METHOD'], $methods))
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return false;
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public static function url_match($pattern, $current_url=false) {
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if ($current_url === false) {
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$current_url = self :: get_current_url();
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if (!$current_url) return False;
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