Install the "express" node module via npm

[obsolete/notmuch-web] / node_modules / express / node_modules / connect / lib / middleware / session / memory.js

diff --git a/node_modules/express/node_modules/connect/lib/middleware/session/memory.js b/node_modules/express/node_modules/connect/lib/middleware/session/memory.js
new file mode 100644 (file)
index 0000000..ec569f5
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+++ b/node_modules/express/node_modules/connect/lib/middleware/session/memory.js
@@ -0,0 +1,131 @@
+
+/*!
+ * Connect - session - MemoryStore
+ * Copyright(c) 2010 Sencha Inc.
+ * Copyright(c) 2011 TJ Holowaychuk
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var Store = require('./store')
+  , utils = require('../../utils')
+  , Session = require('./session');
+
+/**
+ * Initialize a new `MemoryStore`.
+ *
+ * @api public
+ */
+
+var MemoryStore = module.exports = function MemoryStore() {
+  this.sessions = {};
+};
+
+/**
+ * Inherit from `Store.prototype`.
+ */
+
+MemoryStore.prototype.__proto__ = Store.prototype;
+
+/**
+ * Attempt to fetch session by the given `sid`.
+ *
+ * @param {String} sid
+ * @param {Function} fn
+ * @api public
+ */
+
+MemoryStore.prototype.get = function(sid, fn){
+  var self = this;
+  process.nextTick(function(){
+    var expires
+      , sess = self.sessions[sid];
+    if (sess) {
+      sess = JSON.parse(sess);
+      expires = 'string' == typeof sess.cookie.expires
+        ? new Date(sess.cookie.expires)
+        : sess.cookie.expires;
+      if (!expires || new Date < expires) {
+        fn(null, sess);
+      } else {
+        self.destroy(sid, fn);
+      }
+    } else {
+      fn();
+    }
+  });
+};
+
+/**
+ * Commit the given `sess` object associated with the given `sid`.
+ *
+ * @param {String} sid
+ * @param {Session} sess
+ * @param {Function} fn
+ * @api public
+ */
+
+MemoryStore.prototype.set = function(sid, sess, fn){
+  var self = this;
+  process.nextTick(function(){
+    self.sessions[sid] = JSON.stringify(sess);
+    fn && fn();
+  });
+};
+
+/**
+ * Destroy the session associated with the given `sid`.
+ *
+ * @param {String} sid
+ * @api public
+ */
+
+MemoryStore.prototype.destroy = function(sid, fn){
+  var self = this;
+  process.nextTick(function(){
+    delete self.sessions[sid];
+    fn && fn();
+  });
+};
+
+/**
+ * Invoke the given callback `fn` with all active sessions.
+ *
+ * @param {Function} fn
+ * @api public
+ */
+
+MemoryStore.prototype.all = function(fn){
+  var arr = []
+    , keys = Object.keys(this.sessions);
+  for (var i = 0, len = keys.length; i < len; ++i) {
+    arr.push(this.sessions[keys[i]]);
+  }
+  fn(null, arr);
+};
+
+/**
+ * Clear all sessions.
+ *
+ * @param {Function} fn
+ * @api public
+ */
+
+MemoryStore.prototype.clear = function(fn){
+  this.sessions = {};
+  fn && fn();
+};
+
+/**
+ * Fetch number of sessions.
+ *
+ * @param {Function} fn
+ * @api public
+ */
+
+MemoryStore.prototype.length = function(fn){
+  fn(null, Object.keys(this.sessions).length);
+};