add new web backend

README.md

@@ -145,6 +145,7 @@ Special thanks to the great programmers of this libraries which will be used in
* grunt coverage template: https://github.com/maenu/grunt-template-jasmine-istanbul
* jasmine unit test: http://jasmine.github.io/
* wait for images: https://github.com/alexanderdickson/waitForImages
* request: https://github.com/mikeal/request

  [1]: http://nodejs.org/
  [2]: http://www.jrsoftware.org/isinfo.php

app/default.ini

@@ -1,8 +1,8 @@
; backend: use file or web for user management
backend = file
; use file or web for user management
userlist = file

; url for backend file
web_url = 
web_url = http://localhost/sum/backend.php

; web backend aes key
web_aes_key = secret
@@ -16,6 +16,9 @@ user_file_extended = c:/tmp/?
; path of lock file
lock_file = c:/tmp/userfile.lock

; initialization vector for aes encryption
iv = fio78JKHaids

; path of version file
version_file = c:/tmp/version

app/index.html

@@ -142,7 +142,8 @@ <h1>R&auml;ume <span id="rooms-add" class="ion-plus-round"></span></h1>
        <script src="sum-init.js"></script>
        <script src="sum-emoticons.js"></script>
        <script src="sum-backend.js"></script>
        <script src="sum-backend-userlist.js"></script>
        <script src="sum-backend-userlist-file.js"></script>
        <script src="sum-backend-userlist-web.js"></script>
        <script src="sum-backend-helpers.js"></script>
        <script src="sum-backend-client.js"></script>
        <script src="sum-backend-server.js"></script>

app/sum-backend-client.js

@@ -1,5 +1,6 @@
if (typeof base64  == 'undefined') base64  = require('base64-stream');
if (typeof fs == 'undefined') fs = require('fs');
if (typeof http == 'undefined') http = require('http');

/**
 * client for sending encrypted chat messages and status updates
@@ -30,7 +31,7 @@ define('sum-backend-client', Class.extend({
     */
    send: function(receiver, message, success, error) {
        // encrypt message
        var encMessage = this.backendHelpers.encrypt(new NodeRSA(receiver.key), message);
        var encMessage = this.backendHelpers.rsaencrypt(new NodeRSA(receiver.key), message);

        // send message
        var request = http.request({
@@ -39,7 +40,7 @@ define('sum-backend-client', Class.extend({
            path: '/',
            method: 'POST',
            headers: {
                'Content-Txype': 'application/json',
                'Content-Type': 'application/json',
                'Content-Length': encMessage.length
            }
        }, function(res) {

app/sum-backend-command.js

@@ -20,12 +20,6 @@ define('sum-backend-command', Class.extend({
    backend: injected('sum-backend'),
    
    
    /**
     * backends userlist updater
     */
    backendUserlist: injected('sum-backend-userlist'),
    
    
    /**
     * execute command.
     * @param (string) command given by message input
@@ -97,7 +91,7 @@ define('sum-backend-command', Class.extend({
        
        // /reload
        } else if(command == '/reload') {
            this.backendUserlist.userlistUpdateTimer();
            this.backend.backendUserlist.userlistUpdateTimer();
            this.backend.renderSystemMessage('userlist reload', conversation);
            
            

app/sum-backend-helpers.js

@@ -55,6 +55,60 @@ define('sum-backend-helpers', Class.extend({
    },


    /**
     * decrypt with AES
     * @return (string) decrypted text
     * @param (string) cryptkey password
     * @param (string) encryptdata encrypted data to decrypt
     */
    aesdecrypt: function(cryptkey, encryptdata) {
        cryptkey = crypto.createHash('sha256').update(cryptkey).digest();
        encryptdata = new Buffer(encryptdata, 'base64').toString('binary');
        var decipher = crypto.createDecipheriv('aes-256-cbc', cryptkey, config.iv);
        var decoded = decipher.update(encryptdata, 'binary', 'utf8');
        decoded += decipher.final('utf8');
        return decoded;
    },
 
 
    /**
     * encrypt with AES
     * @return (string) clear text
     * @param (string) cryptkey password
     * @param (string) encryptdata cleartext to encrypt
     */
    aesencrypt: function(cryptkey, cleardata) {
        cryptkey = crypto.createHash('sha256').update(cryptkey).digest();
        var encipher = crypto.createCipheriv('aes-256-cbc', cryptkey, config.iv);
        var encryptdata = encipher.update(cleardata, 'utf8', 'binary');
        encryptdata += encipher.final('binary');
        encode_encryptdata = new Buffer(encryptdata, 'binary').toString('base64');
        return encode_encryptdata;
    },
    
    
    /**
     * encrypt with RSA
     * @return encrypted string
     * @param key (string) public key for encryption
     * @param data (mixed) data for encryption
     */
    rsaencrypt: function(key, data) {
        return key.encrypt(data, 'base64');
    },


    /**
     * decrypt with RSA
     * @return (string) decrypted string
     * @param key (string) public key for decryption
     * @param data (mixed) data for decryption
     */
    rsadecrypt: function(key, data) {
        return key.decrypt(data).toString();
    },
    
    
    /**
     * returns current ip
     * @return (string or boolean) the ip of the current user
@@ -186,28 +240,6 @@ define('sum-backend-helpers', Class.extend({
    },


    /**
     * encrypt with RSA
     * @return encrypted string
     * @param key (string) public key for encryption
     * @param data (mixed) data for encryption
     */
    encrypt: function(key, data) {
        return key.encrypt(data, 'base64');
    },


    /**
     * decrypt with RSA
     * @return (string) decrypted string
     * @param key (string) public key for decryption
     * @param data (mixed) data for decryption
     */
    decrypt: function(key, data) {
        return key.decrypt(data).toString();
    },


    /**
     * search user in userlist
     * @return (object or boolean) user object or false if none was found

app/sum-backend-server.js

@@ -55,7 +55,7 @@ define('sum-backend-server', Class.extend({
                // parse decrypted json
                var req = {};
                try {
                    var reqStr = that.backendHelpers.decrypt(that.backend.key, body);
                    var reqStr = that.backendHelpers.rsadecrypt(that.backend.key, body);
                    req = JSON.parse(reqStr);
                } catch(e) {
                    that.backend.error('Ungueltige Nachricht erhalten (verschluesselung oder JSON konnte nicht verarbeitet werden)');

app/sum-backend-userlist.js → app/sum-backend-userlist-file.js

@@ -1,10 +1,10 @@
/**
 * handels userlist file update
 * handels userlist file update by using a file in shared file system
 *
 * @copyright  Copyright (c) Tobias Zeising (http://www.aditu.de)
 * @license    GPLv3 (http://www.gnu.org/licenses/gpl-3.0.html)
 */
define('sum-backend-userlist', Class.extend({
define('sum-backend-userlist-file', Class.extend({

    /**
     * backends