From 2d24b1fe1918ad96df4469f8902c3ddcb9bda5f9 Mon Sep 17 00:00:00 2001
From: kaeff <hi@kaeff.net>
Date: Wed, 9 Sep 2015 01:13:34 +0200
Subject: Allow extra signup params from account

For the feature/invite-codes in leap_web, we need to be able to pass an
extra parameter (the invite code) from the signup form to the server.
This approach allows the consumer of SRP to specify a custom
implementation of Account that returns arbitrary `loginParams`, and
Session will pass them on so that they become part of the XHR.

- Split session.signup into signup and update to restrict extra params
  to signup only
---
 src/jqueryRest.js  |  2 +-
 src/srp_session.js | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/jqueryRest.js b/src/jqueryRest.js
index 103f700..0c58eb2 100644
--- a/src/jqueryRest.js
+++ b/src/jqueryRest.js
@@ -11,7 +11,7 @@ srp.remote = (function(){
         url: "/1/users/" + session.id() + ".json",
         type: 'PUT',
         headers: { Authorization: 'Token token="' + token + '"' },
-        data: {user: session.signup() }
+        data: {user: session.update() }
       });
     }
 
diff --git a/src/srp_session.js b/src/srp_session.js
index bdff9c4..88f19d5 100644
--- a/src/srp_session.js
+++ b/src/srp_session.js
@@ -22,7 +22,7 @@ srp.Session = function(account, calculate) {
     return A;
   };
 
-  this.signup = function() {
+  this.update = function() {
     var salt = calculate.randomSalt();
     var x = calculate.X(account.login(), account.password(), salt);
     return {
@@ -30,6 +30,19 @@ srp.Session = function(account, calculate) {
       password_salt: salt,
       password_verifier: calculate.V(x)
     };
+  }
+
+  this.signup = function() {
+    var loginParams = this.update();
+
+    if (account.loginParams) {
+      var extraParams = account.loginParams();
+      for (var attr in extraParams) {
+        loginParams[attr] = extraParams[attr];
+      }
+    }
+
+    return loginParams;
   };
 
   this.handshake = function() {
-- 
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