Will add an empty Passport object to the session for use after a user isĪuthenticated, which will be treated as a modification to the session, causing Note if you are using Session in conjunction with PassportJS, Passport Please research into this setting andĬhoose what is appropriate to your use-case. The default value is true, but using the default has been deprecated, as theĭefault will change in the future. Help with race conditions where a client makes multiple parallel requests Laws that require permission before setting a cookie. Implementing login sessions, reducing server storage usage, or complying with Uninitialized when it is new but not modified. saveUninitializedįorces a session that is 'uninitialized' to be saved to the store. This option only modifies the behavior when an existing session was Set to false, the cookie will not be set on a response with an uninitialized Note When this option is set to true but the saveUninitialized option is With reduced potential of it occurring during on going server interactions. MaxAge values to provide a quick timeout of the session data This is typically used in conjuction with short, non-session-length MaxAge since the session was last modified by the server. MaxAge since the last response was sent instead of in With this enabled, the session identifier cookie will expire in Is reset to the original maxAge, resetting the expiration Method and your store sets an expiration date on stored sessions, then youįorce the session identifier cookie to be set on every response.

How do I know if this is necessary for my store? The best way to know is toĬheck with your store if it implements the touch method. Please research into this settingĪnd choose what is appropriate to your use-case. The default value is true, but using the default has been deprecated,Īs the default will change in the future. Request may get overwritten when the other request ends, even if it made noĬhanges (this behavior also depends on what store you're using). Parallel requests to your server and changes made to the session in one Necessary, but it can also create race conditions where a client makes two

undefined Uses the 'trust proxy' setting from expressįorces the session to be saved back to the session store, even if the session.

false All headers are ignored and the connection is considered secure only.

true The 'X-Forwarded-Proto' header will be used.

Trust the reverse proxy when setting secure cookies (via the 'X-Forwarded-Proto' The simplest method is to simply set different names per app.

Name a different hostname), then you need to separate the session cookies fromĮach other. localhost or 127.0.0.1 different schemes and ports do not Note if you have multiple apps running on the same hostname (this is just The name of the session ID cookie to set in the response (and read from in the Settings object for the session ID cookie. OptionsĮxpress-session accepts these properties in the options object. It will leak memory under mostĬonditions, does not scale past a single process, and is meant for debugging andįor a list of stores, see compatible session stores. Not designed for a production environment. Warning The default server-side session storage, MemoryStore, is purposely If the secret is not the same between this module and cookie-parser. This module now directly readsĪnd writes cookies on req/ res. No longer needs to be used for this module to work. Note Since version 1.5.0, the cookie-parser middleware

Note Session data is not saved in the cookie itself, just the session ID. Var session = require ( 'express-session' ) session(options)Ĭreate a session middleware with the given options.

Express session typescript