aria2 jsonrpc client

aria2jsonrpc.js

var ARIA2 = (function() {
  var jsonrpc_version = '2.0';

  function get_auth(url) {
    return url.match(/^(?:(?![^:@]+:[^:@\/]*@)[^:\/?#.]+:)?(?:\/\/)?(?:([^:@]*(?::[^:@]*)?)?@)?/)[1];
  };

  function request(jsonrpc_path, method, params) {
    var request_obj = {
      jsonrpc: jsonrpc_version,
      method: method,
      id: (new Date()).getTime().toString(),
    };
    if (params) request_obj['params'] = params;

    var xhr = new XMLHttpRequest();
    var auth = get_auth(jsonrpc_path);
    xhr.open("POST", jsonrpc_path+"?tm="+(new Date()).getTime().toString(), true);
    xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
    if (auth) xhr.setRequestHeader("Authorization", "Basic "+btoa(auth));
    xhr.send(JSON.stringify(request_obj));
  };

  return function(jsonrpc_path) {
    this.jsonrpc_path = jsonrpc_path;
    this.addUri = function (uri, options) {
      request(this.jsonrpc_path, 'aria2.addUri', [[uri, ], options]);
    };
    return this;
  }
})();