Merge pull request #1523 from ether/store-sessions-in-db

Store sessions in db

src/node/db/API.js

@@ -253,9 +253,7 @@ exports.getHTML = function(padID, rev, callback)
       exportHtml.getPadHTML(pad, undefined, function (err, html)
       {
         if(ERR(err, callback)) return;
-        
         data = {html: html};
-          
         callback(null, data);
       });
     }

src/node/db/SessionManager.js

@@ -1,5 +1,5 @@
 /**
- * The Session Manager provides functions to manage session in the database
+ * The Session Manager provides functions to manage session in the database, it only provides session management for sessions created by the API
  */
 
 /*

src/node/db/SessionStore.js

@@ -0,0 +1,82 @@
+ /* 
+ * Stores session data in the database
+ * Source; https://github.com/edy-b/SciFlowWriter/blob/develop/available_plugins/ep_sciflowwriter/db/DirtyStore.js
+ * This is not used for authors that are created via the API at current
+ */
+
+var Store = require('ep_etherpad-lite/node_modules/connect/lib/middleware/session/store'),
+  utils = require('ep_etherpad-lite/node_modules/connect/lib/utils'),
+  Session = require('ep_etherpad-lite/node_modules/connect/lib/middleware/session/session'),
+  db = require('ep_etherpad-lite/node/db/DB').db,
+  log4js = require('ep_etherpad-lite/node_modules/log4js'),
+  messageLogger = log4js.getLogger("SessionStore");
+
+var SessionStore = module.exports = function SessionStore() {};
+
+SessionStore.prototype.__proto__ = Store.prototype;
+
+SessionStore.prototype.get = function(sid, fn){
+  messageLogger.debug('GET ' + sid);
+  var self = this;
+  db.get("sessionstorage:" + sid, function (err, sess)
+  {
+    if (sess) {
+      sess.cookie.expires = 'string' == typeof sess.cookie.expires ? new Date(sess.cookie.expires) : sess.cookie.expires;
+      if (!sess.cookie.expires || new Date() < expires) {
+        fn(null, sess);
+      } else {
+        self.destroy(sid, fn);
+      }
+    } else {
+      fn();
+    }
+  });
+};
+
+SessionStore.prototype.set = function(sid, sess, fn){
+  messageLogger.debug('SET ' + sid);
+  db.set("sessionstorage:" + sid, sess);
+  process.nextTick(function(){
+    if(fn) fn();
+  });
+};
+
+SessionStore.prototype.destroy = function(sid, fn){
+  messageLogger.debug('DESTROY ' + sid);
+  db.remove("sessionstorage:" + sid);
+  process.nextTick(function(){
+    if(fn) fn();
+  });
+};
+
+SessionStore.prototype.all = function(fn){
+  messageLogger.debug('ALL');
+  var sessions = [];
+  db.forEach(function(key, value){
+    if (key.substr(0,15) === "sessionstorage:") {
+      sessions.push(value);
+    }
+  });
+  fn(null, sessions);
+};
+
+SessionStore.prototype.clear = function(fn){
+  messageLogger.debug('CLEAR');
+  db.forEach(function(key, value){
+    if (key.substr(0,15) === "sessionstorage:") {
+      db.db.remove("session:" + key);
+    }
+  });
+  if(fn) fn();
+};
+
+SessionStore.prototype.length = function(fn){
+  messageLogger.debug('LENGTH');
+  var i = 0;
+  db.forEach(function(key, value){
+    if (key.substr(0,15) === "sessionstorage:") {
+      i++;
+    }
+  });
+  fn(null, i);
+};