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         client_secret = str_sha1("client_secret:"+password);
  19         setDB('jappix-mini', 'client_secret', client_secret);
  20 }
  21
  22 function jappixmini_addon_get_client_secret() {
  23         client_secret = getDB('jappix-mini', 'client_secret');
  24         if (client_secret===null) {
  25                 div = $('<div style="position:fixed;padding:1em;background-color:#F00;color:#fff;top:50px;left:50px;" id="x123">Reintroduce your Friendica password for chatting:</div>');
  26                 div.append($("<br>"));
  27                 input = $('<input type="password">')
  28                 div.append(input);
  29                 button = $('<input type="button" value="OK">');
  30                 button.click(function(){
  31                         password = input.val();
  32                         jappixmini_addon_set_client_secret(password);
  33                         div.remove();
  34                 });
  35                 div.append(button);
  36                 $("body").append(div);
  37         }
  38
  39         return client_secret;
  40 }
  41
  42 function jappixmini_addon_encrypt_password(password) {
  43         client_secret = jappixmini_addon_get_client_secret();
  44
  45         // add \0 to password until it has the same length as secret
  46         if (client_secret.length<password.length) throw "password too long";
  47         while (password.length<client_secret.length) {
  48                 password += "\0";
  49         }
  50
  51         // xor password with secret
  52         encrypted_password = jappixmini_addon_xor(client_secret, password);
  53
  54         encrypted_password = encodeURI(encrypted_password)
  55         return encrypted_password;
  56 }
  57
  58 function jappixmini_addon_decrypt_password(encrypted_password) {
  59         encrypted_password = decodeURI(encrypted_password);
  60
  61         client_secret = jappixmini_addon_get_client_secret();
  62
  63         // xor encrypted password with secret
  64         password = jappixmini_addon_xor(client_secret, encrypted_password);
  65
  66         // remove \0
  67         first_null = password.indexOf("\0")
  68         password = password.substr(0, first_null);
  69
  70         return password;
  71 }
  72
  73 function jappixmini_manage_roster(contacts, autoapprove, autosubscribe) {
  74         // listen for subscriptions
  75         con.registerHandler('presence',function(presence){
  76                 var type = presence.getType();
  77                 if (type != "subscribe") return;
  78
  79                 var from = fullXID(getStanzaFrom(presence));
  80                 var xid = bareXID(from);
  81
  82                 approve = true;
  83                 if ((!autoapprove) || ($.inArray(xid, contacts) == -1))
  84                         approve = confirm("Accept "+xid+" for chat?");
  85
  86                 if (approve) {
  87                         acceptSubscribe(xid);
  88                         //alert("Accepted "+xid+" for chat.");
  89                 }
  90         });
  91
  92         // autosubscribe
  93         if (autosubscribe) {
  94                 for (i=0; i<contacts.length; i++) {
  95                         xid = contacts[i];
  96                         sendSubscribe(xid, "subscribe");
  97                 }
  98         }
  99 }
 100
 101 function jappixmini_addon_start(server, username, bosh, encrypted_password) {
 102     // check if settings have changed, reinitialize jappix mini if this is the case
 103     settings_identifier = str_sha1(server);
 104     settings_identifier += str_sha1(username);
 105     settings_identifier += str_sha1(bosh);
 106     settings_identifier += str_sha1(encrypted_password);
 107
 108     saved_identifier = getDB("jappix-mini", "settings_identifier");
 109     if (saved_identifier != settings_identifier) removeDB('jappix-mini', 'dom');
 110     setDB("jappix-mini", "settings_identifier", settings_identifier);
 111
 112     // set bosh host
 113     HOST_BOSH = HOST_BOSH+"?host_bosh="+encodeURI(bosh);
 114
 115     // decrypt password
 116     password = jappixmini_addon_decrypt_password(encrypted_password);
 117
 118     // start jappix mini
 119     launchMini(true, false, server, username, password);
 120 }