125 lines
3.2 KiB
PHP
125 lines
3.2 KiB
PHP
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<?php
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class Route
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{
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private static $routes = [];
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private static $pathNotFound = null;
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private static $methodNotAllowed = null;
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public static function add($expression, $function, $method = 'get')
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{
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array_push(self::$routes, [
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'expression' => $expression,
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'function' => $function,
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'method' => $method
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]);
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}
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public static function pathNotFound($function)
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{
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self::$pathNotFound = $function;
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}
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public static function methodNotAllowed($function)
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{
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self::$methodNotAllowed = $function;
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}
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public static function run($basepath = '/')
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{
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// Parse current url
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$parsed_url = parse_url($_SERVER['REQUEST_URI']); //Parse Uri
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if (isset($parsed_url['path']))
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{
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$path = $parsed_url['path'];
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}
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else
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{
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$path = '/';
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}
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// Get current request method
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$method = $_SERVER['REQUEST_METHOD'];
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$path_match_found = false;
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$route_match_found = false;
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foreach (self::$routes as $route)
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{
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// If the method matches check the path
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// Add basepath to matching string
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if ($basepath != '' && $basepath != '/')
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{
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$route['expression'] = '(' . $basepath . ')' . $route['expression'];
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}
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// Add 'find string start' automatically
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$route['expression'] = '^' . $route['expression'];
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// Add 'find string end' automatically
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$route['expression'] = $route['expression'] . '$';
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// echo $route['expression'].'<br/>';
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// Check path match
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if (preg_match('#' . $route['expression'] . '#', $path, $matches))
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{
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$path_match_found = true;
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// Check method match
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if (strtolower($method) == strtolower($route['method']))
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{
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array_shift($matches); // Always remove first element. This contains the whole string
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if ($basepath != '' && $basepath != '/')
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{
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array_shift($matches); // Remove basepath
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}
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call_user_func_array($route['function'], $matches);
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$route_match_found = true;
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// Do not check other routes
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break;
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}
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}
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}
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// No matching route was found
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if (!$route_match_found)
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{
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// But a matching path exists
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if ($path_match_found)
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{
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header("HTTP/1.0 405 Method Not Allowed");
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if (self::$methodNotAllowed)
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{
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call_user_func_array(self::$methodNotAllowed, Array(
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$path,
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$method
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));
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}
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}
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else
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{
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header("HTTP/1.0 404 Not Found");
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if (self::$pathNotFound)
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{
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call_user_func_array(self::$pathNotFound, Array(
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$path
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));
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}
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}
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}
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}
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}
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