moved on with refactoring

* srp_register now is part of srp.js
* moved server specific stuff into plainXHR (such as fetching the seed from the server)
* fixed tests

1 files changed, 38 insertions, 21 deletions

diff --git a/lib/srp.js b/lib/srp.js
index b54d6b7..0482a06 100644
--- a/lib/srp.js
+++ b/lib/srp.js
@@ -3,43 +3,60 @@ function SRP(remote, session)
   var srp = this;
   session = session || new this.Session();
   remote = remote || new this.Remote();
+  remote.onError = remote.onError || this.error;
+  session.onError = session.onError || this.error;
+  this.remote = remote;
+  this.session = session;
 
   // Start the login process by identifying the user
   this.identify = function()
   {
     remote.handshake(session, receive_salts);
+
+    // Receive login salts from the server, start calculations
+    function receive_salts(response)
+    {
+      // B = 0 will make the algorithm always succeed
+      // -> refuse such a server answer
+      if(response.B == 0) {
+        srp.error("Server send random number 0 - this is not allowed");
+      } else {
+        session.calculations(response.s, response.B);
+        remote.authenticate(session, confirm_authentication)
+      }
+    };
+
+    // Receive M2 from the server and verify it
+    // If an error occurs, raise it as an alert.
+    function confirm_authentication(response)
+    {
+      if (session.validate(response.M))
+        srp.success();
+      else
+        srp.error("Server key does not match");
+    };
   };
 
-  // Receive login salts from the server, start calculations
-  function receive_salts(response)
+  // Initiate the registration process
+  this.register = function()
   {
-    // B = 0 will make the algorithm always succeed
-    // -> refuse such a server answer
-    if(response.B == 0) {
-      srp.error("Server send random number 0 - this is not allowed");
-    } else {
-      session.calculations(response.s, response.B);
-      remote.authenticate(session, confirm_authentication)
-    }
+    remote.register(session, srp.registered_user);
   };
 
-  // Receive M2 from the server and verify it
-  // If an error occurs, raise it as an alert.
-  function confirm_authentication(response)
+  // The user has been registered successfully, now login
+  this.registered_user = function(response)
   {
-    if (session.validate(response.M))
-      srp.success();
-    else
-      alertErrorMessage("Server key does not match");
-  };
+    if(response.ok)
+    {
+      srp.identify();
+    }
+  };  
 
   // Minimal error handling - set remote.onError to sth better to overwrite.
   this.error = function(text)
   {
     alert(text);
   };
-  remote.onError = remote.onError || this.error;
-  session.onError = session.onError || this.error;
 
   // This function is called when authentication is successful.
   // Developers can set this to other functions in specific implementations
@@ -55,5 +72,5 @@ function SRP(remote, session)
       alert("Login successful.");
     }
   };
-
 };
+