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         setPersistent('jappix-mini', 'client-secret', client_secret);
  28         console.log("client secret set");
  29 }
  30
  31 function jappixmini_addon_get_client_secret(callback) {
  32         client_secret = getPersistent('jappix-mini', 'client-secret');
  33         if (client_secret===null) {
  34                 div = document.getElementById("#jappixmini-password-query-div");
  35
  36                 if (!div) {
  37                         div = $('<div id="jappixmini-password-query-div" style="position:fixed;padding:1em;background-color:#F00;color:#fff;top:50px;left:50px;">Retype your Friendica password for chatting:<br></div>');
  38
  39                         input = $('<input type="password" id="jappixmini-password-query-input">')
  40                         div.append(input);
  41
  42                         button = $('<input type="button" value="OK" id="jappixmini-password-query-button">');
  43                         div.append(button);
  44
  45                         $("body").append(div);
  46                 }
  47
  48                 button.click(function(){
  49                         password = $("#jappixmini-password-query-input").val();
  50                         jappixmini_addon_set_client_secret(password);
  51                         div.remove();
  52
  53                         client_secret = getPersistent('jappix-mini', 'client-secret');
  54                         callback(client_secret);
  55                 });
  56         }
  57         else {
  58                 callback(client_secret);
  59         }
  60 }
  61
  62 function jappixmini_addon_encrypt_password(password, callback) {
  63         jappixmini_addon_get_client_secret(function(client_secret){
  64                 // add \0 to password until it has the same length as secret
  65                 if (password.length>client_secret.length-1) throw "password too long";
  66                 while (password.length<client_secret.length) {
  67                         password += "\0";
  68                 }
  69
  70                 // xor password with secret
  71                 encrypted_password = jappixmini_addon_xor(client_secret, password);
  72
  73                 encrypted_password = encodeURI(encrypted_password)
  74                 callback(encrypted_password);
  75         });
  76 }
  77
  78 function jappixmini_addon_decrypt_password(encrypted_password, callback) {
  79         encrypted_password = decodeURI(encrypted_password);
  80
  81         jappixmini_addon_get_client_secret(function(client_secret){
  82                 // xor password with secret
  83                 password = jappixmini_addon_xor(client_secret, encrypted_password);
  84
  85                 // remove \0
  86                 first_null = password.indexOf("\0")
  87                 if (first_null==-1) throw "Decrypted password does not contain \\0";
  88                 password = password.substr(0, first_null);
  89
  90                 callback(password);
  91         });
  92 }
  93
  94 function jappixmini_manage_roster(contacts, contacts_hash, autoapprove, autosubscribe) {
  95         // listen for subscriptions
  96         con.registerHandler('presence',function(presence){
  97                 var type = presence.getType();
  98                 if (type != "subscribe") return;
  99
 100                 var from = fullXID(getStanzaFrom(presence));
 101                 var xid = bareXID(from);
 102                 var pstatus = presence.getStatus();
 103
 104                 if (autoapprove && contacts[xid]!==undefined) {
 105                         // approve known address
 106                         approve = true;
 107                         console.log("Approve known Friendica contact "+xid+".");
 108                 }
 109                 else if (autoapprove && pstatus && pstatus.indexOf("Friendica")!=-1) {
 110                         // Unknown address claims to be a Friendica contact.
 111                         // This is probably because the other side knows our
 112                         // address, but we do not know the other side yet.
 113                         // But it's only a matter of time, so wait - do not
 114                         // approve yet and do not annoy the user by asking.
 115                         approve = false;
 116                         console.log("Do not approve unknown Friendica contact "+xid+" - wait instead.");
 117                 }
 118                 else {
 119                         // In all other cases, ask the user.
 120                         message = "Accept "+xid+" for chat?";
 121                         if (pstatus) message += "\n\nStatus:\n"+pstatus;
 122                         approve = confirm(message);
 123
 124                         // do not ask any more
 125                         if (!approve) sendSubscribe(xid, "unsubscribed");
 126                 }
 127
 128                 if (approve) {
 129                         name = contacts[xid];
 130                         if (!name) name = xid;
 131
 132                         acceptSubscribe(xid, contacts[xid]);
 133                         console.log("Accepted "+xid+" for chat.");
 134                 }
 135         });
 136
 137         // autosubscribe
 138         if (!autosubscribe) return;
 139
 140         stored_hash = getPersistent("jappix-mini", "contacts-hash");
 141         contacts_changed = (stored_hash != contacts_hash); // stored_hash gets updated later if everything was successful
 142         if (!contacts_changed) return;
 143
 144         console.log("Start autosubscribe.");
 145
 146         var get_roster = new JSJaCIQ();
 147         get_roster.setType('get');
 148         get_roster.setQuery(NS_ROSTER);
 149
 150         con.send(get_roster, function(iq){
 151                 var handleXML = iq.getQuery();
 152
 153                 // filter out contacts that are already in the roster
 154                 $(handleXML).find('item').each(function() {
 155                         xid = $(this).attr("jid");
 156                         name = $(this).attr("name");
 157                         subscription = $(this).attr("subscription");
 158
 159                         // ignore accounts not in the list
 160                         if (contacts[xid]===undefined) return;
 161
 162                         // add to Friendica group if necessary
 163                         groups = [];
 164                         $(this).find('group').each(function() {
 165                                 var group_text = $(this).text();
 166                                 if(group_text) groups.push(group_text);
 167                         });
 168
 169                         if ($.inArray("Friendica", groups)==-1) {
 170                                 groups.push("Friendica");
 171                                 sendRoster(xid, null, null, groups);
 172                                 console.log("Added "+xid+" to Friendica group.");
 173                         }
 174
 175                         // authorize if necessary
 176                         if (subscription=="to") {
 177                                 sendSubscribe(xid, 'subscribed');
 178                                 console.log("Authorized "+xid+" automatically.");
 179                         }
 180
 181                         // remove from list
 182                         delete contacts[xid];
 183                 });
 184
 185                 // go through remaining contacts
 186                 for (var xid in contacts) {if(!contacts.hasOwnProperty(xid)) continue;
 187                         // subscribe
 188                         var presence = new JSJaCPresence();
 189                         presence.setTo(xid);
 190                         presence.setType("subscribe");
 191
 192                         // must contain the word "~Friendica" so the other side knows
 193                         // how to handle this
 194                         presence.setStatus("I'm "+MINI_NICKNAME+" from ~Friendica.\n[machine-generated message]");
 195
 196                         con.send(presence);
 197                         console.log("Subscribed to "+xid+" automatically.");
 198
 199                         // add to roster
 200                         var iq = new JSJaCIQ();
 201                         iq.setType('set');
 202                         var iqQuery = iq.setQuery(NS_ROSTER);
 203                         var item = iqQuery.appendChild(iq.buildNode('item', {'xmlns': NS_ROSTER, 'jid': xid}));
 204                         item.setAttribute('name', contacts[xid]);
 205                         item.appendChild(iq.buildNode('group', {'xmlns': NS_ROSTER}, "Friendica"));
 206                         con.send(iq);
 207                         console.log("Added "+xid+" to roster.");
 208                 }
 209
 210                 setPersistent("jappix-mini", "contacts-hash", contacts_hash);
 211                 console.log("Autosubscribe done.");
 212         });
 213
 214 }
 215
 216 function jappixmini_addon_subscribe() {
 217         if (!window.con) {
 218                 alert("Not connected.");
 219                 return;
 220         }
 221
 222         xid = prompt("Jabber address");
 223         sendSubscribe(xid, "subscribe");
 224 }
 225
 226 function jappixmini_addon_start(server, username, proxy, bosh, encrypted, password, nickname, contacts, contacts_hash, autoapprove, autosubscribe) {
 227     handler = function(password){
 228         // check if settings have changed, reinitialize jappix mini if this is the case
 229         settings_identifier = str_sha1(server);
 230         settings_identifier += str_sha1(username);
 231         settings_identifier += str_sha1(proxy);
 232         settings_identifier += str_sha1(bosh);
 233         settings_identifier += str_sha1(password);
 234         settings_identifier += str_sha1(nickname);
 235
 236         saved_identifier = getDB("jappix-mini", "settings-identifier");
 237         if (saved_identifier != settings_identifier) {
 238             disconnectMini();
 239             removeDB('jappix-mini', 'dom');
 240             removePersistent("jappix-mini", "contacts-hash");
 241         }
 242         setDB("jappix-mini", "settings-identifier", settings_identifier);
 243
 244        // set HOST_BOSH
 245        if (proxy)
 246            HOST_BOSH = proxy+"?host_bosh="+encodeURI(bosh);
 247        else
 248            HOST_BOSH = bosh;
 249
 250         // start jappix mini
 251         MINI_NICKNAME = nickname;
 252         LOCK_HOST = "off";
 253         launchMini(true, false, server, username, password);
 254
 255         // increase priority over other Jabber clients - does not seem to work?
 256         priority = 101;
 257         presenceMini(null,null,priority);
 258
 259         jappixmini_manage_roster(contacts, contacts_hash, autoapprove, autosubscribe)
 260     }
 261
 262     // decrypt password if necessary
 263     if (encrypted)
 264         jappixmini_addon_decrypt_password(password, handler);
 265     else
 266         handler(password);
 267 }