jappixmini/lib.js

   1 function jappixmini_addon_xor(str1, str2) {
   2     if (str1.length != str2.length) throw "not same length";
   3
   4     encoded = "";
   5
   6     for (i=0; i<str1.length;i++) {
   7         var a = str1.charCodeAt(i);
   8         var b = str2.charCodeAt(i);
   9         var c = a ^ b;
  10
  11         encoded += String.fromCharCode(c);
  12     }
  13
  14     return encoded;
  15 }
  16
  17 function jappixmini_addon_set_client_secret(password) {
  18         if (!password) return;
  19
  20         salt1 = "h8doCRekWto0njyQohKpdx6BN0UTyC6N";
  21         salt2 = "jdX8OwFC1kWAq3s9uOyAcE8g3UNNO5t3";
  22
  23         client_secret1 = str_sha1(salt1+password);
  24         client_secret2 = str_sha1(salt2+password);
  25         client_secret = client_secret1 + client_secret2;
  26
  27         setDB('jappix-mini', 'client_secret', client_secret);
  28         console.log("client secret set");
  29 }
  30
  31 function jappixmini_addon_get_client_secret() {
  32         client_secret = getDB('jappix-mini', 'client_secret');
  33         if (client_secret===null) {
  34                 div = $('<div style="position:fixed;padding:1em;background-color:#F00;color:#fff;top:50px;left:50px;">Retype your Friendica password for chatting:</div>');
  35                 div.append($("<br>"));
  36                 input = $('<input type="password">')
  37                 div.append(input);
  38                 button = $('<input type="button" value="OK">');
  39                 button.click(function(){
  40                         password = input.val();
  41                         jappixmini_addon_set_client_secret(password);
  42                         div.remove();
  43                 });
  44                 div.append(button);
  45                 $("body").append(div);
  46         }
  47
  48         return client_secret;
  49 }
  50
  51 function jappixmini_addon_encrypt_password(password) {
  52         client_secret = jappixmini_addon_get_client_secret();
  53
  54         // add \0 to password until it has the same length as secret
  55         if (password.length>client_secret.length-1) throw "password too long";
  56         while (password.length<client_secret.length) {
  57                 password += "\0";
  58         }
  59
  60         // xor password with secret
  61         encrypted_password = jappixmini_addon_xor(client_secret, password);
  62
  63         encrypted_password = encodeURI(encrypted_password)
  64         return encrypted_password;
  65 }
  66
  67 function jappixmini_addon_decrypt_password(encrypted_password) {
  68         encrypted_password = decodeURI(encrypted_password);
  69
  70         client_secret = jappixmini_addon_get_client_secret();
  71
  72         // xor password with secret
  73         password = jappixmini_addon_xor(client_secret, encrypted_password);
  74
  75         // remove \0
  76         first_null = password.indexOf("\0")
  77         password = password.substr(0, first_null);
  78
  79         return password;
  80 }
  81
  82 function jappixmini_manage_roster(contacts, autoapprove, autosubscribe) {
  83         // listen for subscriptions
  84         con.registerHandler('presence',function(presence){
  85                 var type = presence.getType();
  86                 if (type != "subscribe") return;
  87
  88                 var from = fullXID(getStanzaFrom(presence));
  89                 var xid = bareXID(from);
  90
  91                 approve = true;
  92                 if ((!autoapprove) || contacts[xid]===undefined)
  93                         approve = confirm("Accept "+xid+" for chat?");
  94
  95                 if (approve) {
  96                         acceptSubscribe(xid, contacts[xid]);
  97                         console.log("Accepted "+xid+" for chat.");
  98                 }
  99         });
 100
 101         // autosubscribe
 102         if (autosubscribe) {
 103                 for (i=0; i<contacts.length; i++) {
 104                         xid = contacts[i];
 105                         sendSubscribe(xid, "subscribe");
 106                         console.log("Subscribed to "+xid);
 107                 }
 108         }
 109 }
 110
 111 function jappixmini_addon_start(server, username, bosh, encrypted_password, nickname) {
 112     // check if settings have changed, reinitialize jappix mini if this is the case
 113     settings_identifier = str_sha1(server);
 114     settings_identifier += str_sha1(username);
 115     settings_identifier += str_sha1(bosh);
 116     settings_identifier += str_sha1(encrypted_password);
 117     settings_identifier += str_sha1(nickname);
 118
 119     saved_identifier = getDB("jappix-mini", "settings_identifier");
 120     if (saved_identifier != settings_identifier) removeDB('jappix-mini', 'dom');
 121     setDB("jappix-mini", "settings_identifier", settings_identifier);
 122
 123     // set bosh host
 124     HOST_BOSH = HOST_BOSH+"?host_bosh="+encodeURI(bosh);
 125
 126     // decrypt password
 127     password = jappixmini_addon_decrypt_password(encrypted_password);
 128
 129     // start jappix mini
 130     MINI_NICKNAME = nickname;
 131     launchMini(true, false, server, username, password);
 132 }