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   1  <?php
   2  
   3  class GP_Router {
   4  
   5      var $api_prefix = 'api';
   6      
   7  	function __construct( $urls = null ) {
   8          if ( is_null( $urls ) )
   9              $this->urls = $this->default_routes();
  10          else
  11              $this->urls = $urls;
  12      }
  13      
  14      /**
  15      * Returns the current request URI path, relative to
  16      * the application URI and without the query string
  17      */
  18  	function request_uri() {
  19          $subdir = rtrim( gp_url_path(), '/' );
  20          if ( preg_match( "@^$subdir(.*?)(\?.*)?$@", $_SERVER['REQUEST_URI'], $match ) )
  21              return urldecode( $match[1] );
  22          return false;
  23      }
  24      
  25  	function request_method() {
  26          return gp_array_get( $_SERVER, 'REQUEST_METHOD', 'GET' );
  27      }
  28          
  29  	function add( $re, $function, $method = 'get' ) {
  30          $this->urls["$method:$re"] = $function;
  31      }
  32      
  33  	function default_routes() {
  34          $dir = '([^_/][^/]*)';
  35          $path = '(.+?)';
  36          $projects = 'projects';
  37          $project = $projects.'/'.$path;
  38          $id = '(\d+)';
  39          $locale = '('.implode('|', array_map( create_function( '$x', 'return $x->slug;' ), GP_Locales::locales() ) ).')';
  40          $set = "$project/$locale/$dir";
  41          // overall structure
  42          return apply_filters( 'routes', array(
  43              '/' => array('GP_Route_Index', 'index'),
  44              'get:/login' => array('GP_Route_Login', 'login_get'),
  45              'post:/login' => array('GP_Route_Login', 'login_post'),
  46              'get:/logout' => array('GP_Route_Login', 'logout'),
  47  
  48              "get:/$project/import-originals" => array('GP_Route_Project', 'import_originals_get'),
  49              "post:/$project/import-originals" => array('GP_Route_Project', 'import_originals_post'),
  50  
  51              "get:/$project/-edit" => array('GP_Route_Project', 'edit_get'),
  52              "post:/$project/-edit" => array('GP_Route_Project', 'edit_post'),
  53  
  54              "get:/$project/-delete" => array('GP_Route_Project', 'delete_get'),
  55              "post:/$project/-delete" => array('GP_Route_Project', 'delete_post'),
  56  
  57              "post:/$project/-personal" => array('GP_Route_Project', 'personal_options_post'),
  58              
  59              "get:/$project/-permissions" => array('GP_Route_Project', 'permissions_get'),
  60              "post:/$project/-permissions" => array('GP_Route_Project', 'permissions_post'),
  61              "get:/$project/-permissions/-delete/$dir" => array('GP_Route_Project', 'permissions_delete'),
  62              
  63              "get:/$project/-mass-create-sets" => array('GP_Route_Project', 'mass_create_sets_get'),
  64              "post:/$project/-mass-create-sets" => array('GP_Route_Project', 'mass_create_sets_post'),
  65              "post:/$project/-mass-create-sets/preview" => array('GP_Route_Project', 'mass_create_sets_preview_post'),
  66              
  67  
  68              "get:/$projects" => array('GP_Route_Project', 'index'),
  69              "get:/$projects/-new" => array('GP_Route_Project', 'new_get'),
  70              "post:/$projects/-new" => array('GP_Route_Project', 'new_post'),
  71  
  72              "post:/$set/-bulk" => array('GP_Route_Translation', 'bulk_post'),
  73              "get:/$set/import-translations" => array('GP_Route_Translation', 'import_translations_get'),
  74              "post:/$set/import-translations" => array('GP_Route_Translation', 'import_translations_post'),
  75              "post:/$set/-discard-warning" => array('GP_Route_Translation', 'discard_warning'),
  76              "post:/$set/-set-status" => array('GP_Route_Translation', 'set_status'),
  77              "/$set/export-translations" => array('GP_Route_Translation', 'export_translations_get'),
  78              // keep this below all URLs ending with a literal string, because it may catch one of them
  79              "get:/$set" => array('GP_Route_Translation', 'translations_get'),
  80              "post:/$set" => array('GP_Route_Translation', 'translations_post'),
  81              // keep this one at the bottom of the project, because it will catch anything starting with project
  82              "/$project" => array('GP_Route_Project', 'single'),
  83  
  84              "get:/sets/-new" => array('GP_Route_Translation_Set', 'new_get'),
  85              "post:/sets/-new" => array('GP_Route_Translation_Set', 'new_post'),
  86              "get:/sets/$id" => array('GP_Route_Translation_Set', 'single'),
  87              "get:/sets/$id/-edit" => array('GP_Route_Translation_Set', 'edit_get'),
  88              "post:/sets/$id/-edit" => array('GP_Route_Translation_Set', 'edit_post'),
  89              
  90              "post:/originals/$id/set_priority" => array('GP_Route_Original', 'set_priority'),
  91          ) );
  92      }
  93  
  94      
  95  	function route() {
  96          $real_request_uri = $this->request_uri();
  97          $api_request_uri = $real_request_uri;
  98          $request_method = strtolower( $this->request_method() );
  99          $api = gp_startswith( $real_request_uri, '/'.$this->api_prefix.'/' );
 100          if ( $api ) {
 101              $real_request_uri = substr( $real_request_uri, strlen( $this->api_prefix ) + 1 );
 102          }
 103          foreach( array( $api_request_uri, $real_request_uri ) as $request_uri ) {
 104              foreach( $this->urls as $re => $func ) {
 105                  foreach (array('get', 'post', 'head', 'put', 'delete') as $http_method) {
 106                      if ( gp_startswith( $re, $http_method.':' ) ) {
 107                          
 108                          if ( $http_method != $request_method ) continue;
 109                          $re = substr( $re, strlen( $http_method . ':' ));
 110                          break;
 111                      }
 112                  }
 113                  if ( preg_match("@^$re$@", $request_uri, $matches ) ) {
 114                      if ( is_array( $func ) ) {
 115                          list( $class, $method ) = $func;
 116                          $route = new $class;
 117                          $route->api = $api;
 118                          $route->last_method_called = $method;
 119                          $route->class_name = $class;
 120                          GP::$current_route = &$route;
 121                          $route->before_request();
 122                          $route->request_running = true;
 123                          // make sure after_request() is called even if we $this->exit_() in the request
 124                          register_shutdown_function( array( &$route, 'after_request') );
 125                          call_user_func_array( array( $route, $method ), array_slice( $matches, 1 ) );
 126                          $route->after_request();
 127                          do_action( 'after_request', $class, $method );
 128                          $route->request_running = false;
 129                      } else {
 130                          call_user_func_array( $func, array_slice( $matches, 1 ) );
 131                      }
 132                      return;
 133                  }
 134              }
 135          }
 136          return gp_tmpl_404();
 137      }
 138  }