1 files changed, 120 insertions, 0 deletions
diff --git a/src/plainXHR.js b/src/plainXHR.js
new file mode 100644
index 0000000..d07416b
--- /dev/null
+++ b/src/plainXHR.js
@@ -0,0 +1,120 @@
+//
+// SRP JS - Plain XHR module
+//
+// This is deprecated - unless you are using srp-js with the original drupal
+// server side I recommend you use a different API such as restful.js
+//
+// This code has been largely refactored, tests are still passing but I did
+// not test it with the server itself.
+
+SRP.prototype.Remote = function() {
+
+  // Perform ajax requests at the specified path, with the specified parameters
+  // Calling back the specified function.
+  function ajaxRequest(url, params, callback)
+  {
+    if( window.XMLHttpRequest)
+      xhr = new XMLHttpRequest();
+    else if (window.ActiveXObject){
+      try{
+        xhr = new ActiveXObject("Microsoft.XMLHTTP");
+      }catch (e){}
+    }
+    else
+    {
+      session.error_message("Ajax not supported.");
+      return;
+    }
+    if(xhr){
+      xhr.onreadystatechange = function() {
+        if(xhr.readyState == 4 && xhr.status == 200) {
+          callback(parseResponse());
+        }
+      };
+      xhr.open("POST", url, true);
+      xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+      xhr.setRequestHeader("Content-length", params.length);
+      xhr.send(params);
+    }
+    else
+    {
+      session.error_message("Ajax failed.");
+    }        
+  };
+
+  function parseResponse() {
+    if (responseIsXML()) {
+      return parseXML(xhr.responseXML);
+    } else if (responseIsJSON()) {
+      return JSON.parse(xhr.responseText);
+    } 
+  };
+
+  function responseIsXML() {
+    return (xhr.responseType == 'document') || 
+           (xhr.getResponseHeader("Content-Type").indexOf('application/xml') >= 0)
+  }
+
+  function responseIsJSON() {
+    return (xhr.responseType == 'json') || 
+           (xhr.getResponseHeader("Content-Type").indexOf('application/json') >= 0)
+  }
+
+  function parseXML(xml) {
+    if (xml.getElementsByTagName("r").length > 0) {
+      return parseAttributesOfElement(xml.getElementsByTagName("r")[0]);
+    } else {
+      return parseNodes(xml.childNodes);
+    }
+  };
+
+  function parseAttributesOfElement(elem) {
+    var response = {};
+    for (var i = 0; i < elem.attributes.length; i++) {
+      var attrib = elem.attributes[i];
+      if (attrib.specified) {
+        response[attrib.name] = attrib.value;
+      }
+    }
+    return response;
+  };
+
+  function parseNodes(nodes) {
+    var response = {};
+    for (var i = 0; i < nodes.length; i++) {
+      var node = nodes[i];
+      response[node.tagName] = node.textContent || true;
+    }
+    return response;
+  };
+  
+  // Drupal version fetches the salt from the server. No idea why but this
+  // should still do it.
+  this.register = function(session, callback)
+  {
+    var that = this;
+    ajaxRequest("register/salt/", "I="+session.getI(), receive_salt);
+
+    function receive_salt(response)
+    {
+      if(response.salt)
+      {
+        var s = response.salt;
+        var v = session.getV(s);
+        that.sendVerifier(session, callback);
+      }
+    };
+  }
+
+  this.sendVerifier = function(session, callback) {
+    ajaxRequest("register/user/", "v="+session.getV().toString(16), callback);
+  }
+
+  this.handshake = function(session, callback) {
+    ajaxRequest("handshake/", "I="+session.getI()+"&A="+session.getAstr(), callback);
+  }
+
+  this.authenticate = function(session, callback) {
+    ajaxRequest("authenticate/", "M="+session.getM(), callback);
+  }
+}