session-desktop/js/api.js

/************************************************
 *** Utilities to communicate with the server ***
 ************************************************/
var URL_BASE	= "http://sushiforeveryone.bluematt.me";
//var URL_BASE	= "https://textsecure-service.whispersystems.org";
var URL_CALLS = {};
URL_CALLS['accounts']	= "/v1/accounts";
URL_CALLS['devices']	= "/v1/devices";
URL_CALLS['keys']		= "/v1/keys";
URL_CALLS['push']		= "/v1/messagesocket";
URL_CALLS['messages']	= "/v1/messages/";

var API	= new function() {

	/**
		* REQUIRED PARAMS:
		* 	call:				URL_CALLS entry
		* 	httpType:			POST/GET/PUT/etc
		* OPTIONAL PARAMS:
		* 	success_callback:	function(response object) called on success
		* 	error_callback: 	function(http status code = -1 or != 200) called on failure
		* 	urlParameters:		crap appended to the url (probably including a leading /)
		* 	user:				user name to be sent in a basic auth header
		* 	password:			password to be sent in a basic auth headerA
		* 	do_auth:			alternative to user/password where user/password are figured out automagically
		* 	jsonData:			JSON data sent in the request body
		*/
	this.doAjax = function doAjax(param) {
		if (param.urlParameters === undefined)
			param.urlParameters = "";

		if (param.do_auth) {
			param.user		= storage.getUnencrypted("number_id");
			param.password	= storage.getEncrypted("password");
		}

		$.ajax(URL_BASE + URL_CALLS[param.call] + param.urlParameters, {
			type		: param.httpType,
			data		: param.jsonData && jsonThing(param.jsonData),
			contentType : 'application/json; charset=utf-8',
			dataType	: 'json',

			beforeSend	: function(xhr) {
							if (param.user		 !== undefined &&
								param.password !== undefined)
									xhr.setRequestHeader("Authorization", "Basic " + btoa(getString(param.user) + ":" + getString(param.password)));
							},

			success		: function(response, textStatus, jqXHR) {
								if (param.success_callback !== undefined)
									param.success_callback(response);
							},

			error		: function(jqXHR, textStatus, errorThrown) {
								var code = jqXHR.status;
								if (code == 200) {
									// happens sometimes when we get no response
									// (TODO: Fix server to return 204? instead)
									if (param.success_callback !== undefined)
										param.success_callback(null);
									return;
								}
								if (code > 999 || code < 100)
									code = -1;
								if (param.error_callback !== undefined)
									param.error_callback(code);
							}
		});
	};

	this.requestVerificationCode = function(number, success_callback, error_callback) {
		this.doAjax({
			call				: 'accounts',
			httpType			: 'GET',
			urlParameters		: '/sms/code/' + number,
			success_callback	: success_callback,
			error_callback		: error_callback
		});
	};

	this.confirmCode = function(code, number, password,
								signaling_key, single_device,
								success_callback, error_callback) {
		var call = single_device ? 'accounts' : 'devices';
		var urlPrefix = single_device ? '/code/' : '/';

		API.doAjax({
			call				: call,
			httpType			: 'PUT',
			urlParameters		: urlPrefix + code,
			user				: number,
			password			: password,
			jsonData			: { signalingKey		: btoa(getString(signaling_key)),
														  supportsSms		: false,
														  fetchesMessages	: true },
			success_callback	: success_callback,
			error_callback		: error_callback
		});
	};

	this.registerKeys = function(keys, success_callback, error_callback) {
		//TODO: Do this conversion somewhere else?
		var identityKey = btoa(getString(keys.keys[0].identityKey));
		for (var i = 0; i < keys.keys.length; i++)
			keys.keys[i] = {keyId: i, publicKey: btoa(getString(keys.keys[i].publicKey)), identityKey: identityKey};
		keys.lastResortKey = {keyId: keys.lastResortKey.keyId, publicKey: btoa(getString(keys.lastResortKey.publicKey)), identityKey: identityKey};
		this.doAjax({
			call				: 'keys',
			httpType			: 'PUT',
			do_auth				: true,
			jsonData			: keys,
			success_callback	: success_callback,
			error_callback		: error_callback
		});
	};

	this.getKeysForNumber = function(number, success_callback, error_callback) {
		this.doAjax({
			call				: 'keys',
			httpType			: 'GET',
			do_auth				: true,
			urlParameters		: "/" + getNumberFromString(number) + "?multikeys",
			success_callback	: success_callback,
			error_callback		: error_callback
		});
	};

	this.sendMessages = function(jsonData, success_callback, error_callback) {
		this.doAjax({
			call				: 'messages',
			httpType			: 'POST',
			do_auth				: true,
			jsonData			: jsonData,
			success_callback	: success_callback,
			error_callback		: error_callback
		});
	};

	this.pushMessage = function(messageId) {
		this.doAjax({
			call			: 'push',
			httpType		: 'PUT',
			urlParameters	: '/' + message.id,
			do_auth			: true
		});
	};
}(); // API