Passport After the done() method is called, we hop into to the passport.authenticate() callback function, where we pass the user object into the req.login() function (remember, the call to passport.authenticate() added the login() function to our request object). connection. Lets make that curl request one more time from our client folder. To fix it i add my app URL to the allowed sides for use cookies . connect-db2 An IBM DB2-based session store built using ibm_db module. Well occasionally send you account related emails. and choose what is appropriate to your use-case. The callback should be called as callback(error) once Instead of actually explaining the mechanics and whats going on, I just feel like the author is simply providing a walkthrough of how to copy/paste from the docs. { path: '/', httpOnly: true, secure: false, maxAge: null }. How do I check for an empty/undefined/null string in JavaScript? When the session is authenticated, Passport will call the deserializeUser When the client (browser or cURL as we will soon see) calls the GET method, our server will respond with data. As you can see in the above, before we call req.login(), the req.session.passport object and req.user object are undefined. It appears that once the callback route fully completes, the passport.isAuthenticated() method will finally return true. callback should be called as callback(error, sessions). Now lets create call our cURL command and create a new cookie file that will be saved to the client. Just out of curiosity, what happens if you place the redirect inside a process.nextTick block? More information about the different enforcement levels can be found in The server uses the value of the cookie to retrieve information it needs across The following code is an example of a route that authenticates a user with a This is primarily used when the store will automatically delete idle sessions First, we change into our /server folder, then initialize npm, so we can keep track of what dependencies our server has. is carefully designed to isolate authentication state, referred to as a login Using session cookies and a token does not make much sense in your case (if you disagree please leave a comment why you are using JWTs). First, were going to add a login route to our application with both a GET and POST method. I configured withCredentials : true , but the error persists, I Tried to Change user to user.id and user._id but still not serializing. They all had the same problem. cassandra-store An Apache Cassandra-based session store. This next function is typically application-specific logic which will process the request on behalf of the user. Alright, so, let's assume that we're redirecting somehow, and jump over to Express. You have to pass "app and passport" to your routes like so: Thanks for contributing an answer to Stack Overflow! If you go to http://localhost:3000/ right now, you should see an error message saying Cannot GET /, but thats way better than getting a This site cant be reached error! To fix the req.user undefined error with Node.js, Express, and Passport, we should make sure Passport session state is set up in our app. first argument if you want to use some value attached to req when generating obtain that information. If you flip over to the server logs, you should see that the same session id is being output to the console each time. The callback should be called as callback(error, len). I'm using mongo native and since most of the examples use Mongoose i fell in to the _id trap once again. Also, I'm not entirely sure this answers the question. The following modules implement a session store that is compatible with this connect-typeorm A TypeORM-based session store. This tradeoff is @jmeas Thanks for all your hard work and investigation which lead to @dougwilson. Now, if we call our curl request with the -b flag again. Quick note, if youre using a Windows machine, you will need to use double quotes and escape them with a back slash, like so: I will just be using single quotes for the rest of this article since its easier to read. By default, when authentication succeeds, the req.user property is set to the authenticated user, a login session is established, and the next function in the stack is called. That is why you added passport.authenticate ('local-login', to the "/signin" endpoint. which is (generally) serialized as JSON by the store, so nested objects established, and the next function in the stack is called. server $ npm install express-session --save, client $ curl -X GET http://localhost:3000 -c cookie-file.txt, curl -X GET http://localhost:3000 -b cookie-file.txt -v, client $ curl -X GET http://localhost:3000 -b cookie-file.txt, server $ nodemon --ignore sessions/ server.js, curl -X POST http://localhost:3000/login -b cookie-file.txt -H 'Content-Type: application/json' -d '{"email":"test@test.com", "password":"password"}', curl -X POST http://localhost:3000/login -b cookie-file.txt -H "Content-Type: application/json" -d "{\"email\":\"test@test.com\", \"password\":\"password\"}", server $ npm install passport passport-local --save, client $ curl -X POST http://localhost:3000/login -c cookie-file.txt -H 'Content-Type: application/json' -d '{"email":"test@test.com", "password":"password"}', client $ curl -X GET http://localhost:3000/authrequired -b cookie-file.txt -L, #second request to the /authrequired route, curl -X GET http://localhost:3000/authrequired -b cookie-file.txt -L, client $ curl http://localhost:3000/login -c cookie-file.txt -H 'Content-Type: application/json' -d '{"email":"test@test.com", "password":"password"}' -L, server $ npm install bcrypt-nodejs --save, http://localhost:5000/users?email=user2@example.com. I have used a hackathon starter which was using mongo, I tried to change things to use Postgres. Making statements based on opinion; back them up with references or personal experience. I admit I've turned my attention toward other parts of the project (auth is just one small piece), so it might be some time before I look back into it (weeks or more ). You should get the same session id output by server every time. That's how passport initializes the actual session. 566), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. It logs false when Google redirects back to my page, but if the user manually refreshes then it returns true. If you flip over to the terminal tab where the server is running, you should see a really long output. once were in the req.login() callback function), they are defined! A carefully placed setTimeout of a few seconds did fix it for me. Yeah, that's definitely a possibility. memorystore A memory session store made for production. Applications must initialize session support in order to make use of login We send our cURL request to the server along with our session id, The server receives the requests, and the session middleware cant find the session id in memory, so it call the genid function. The not stored. Pretty dope. What is this brick with a round back and a stud on the side used for? I've actually tried the res.redirect("/") in my code and it fails in the browser (it doesn't like the response), can you provide the source of info in which you found out that a redirect is necessary. I fixed this issue by fixing my passport.deserializeUser. database queries while potentially exceeding the maximum amount of data that can This time you can see we got back that we hit the authentication endpoint! Once json-server has installed, lets add a new json:server script to our package.json. If we flip over to our server logs we should see the following: When we logged the req.sessionID inside the session middleware, the session hadnt been instantiated yet, so we hadnt yet added the sessionID to the request object. . When we include new modules in our server.js file, nodemon will automatically restart and be able to pull these modules in. connect-ml A MarkLogic Server-based session store. navigate the application. Note that it is wrapping in single quotes, The user is going to POST their login information to the /login route, We need to do something with that data. the future. This property is an Please research into this setting Somewhat surprisingly, this lands us back into the very first middleware: express-session. This is why you can create an account or sign in and it authenticates fine at first but later on you find out req.user is undefined or req.isAuthenticated() is false throughout the app. Note Since version 1.5.0, the cookie-parser middleware You may also notice, we dont see the Inside the session middleware log being made. Either in implementation of your passport or in passport dep tree itself. This seems to happen before logging in. querying the database for every request in which the session is authenticated. The solution works for me. Inside the strategyClass declaration, we will take in the data from our POST request, use that to find the matching user in the database and check that the credentials match. Basics of Passport Session (expressjs)-why do we need to serialize and deserialize? There is an inherent tradeoff between the amount of data stored in a session and Going further down, we see our app.post(login) method immediately calls passport.authenticate() with the local strategy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The By default, this is false. Testing it on localhost will often result in too fast redirects. Lastly, we respond to the user and tell them that theyve been authenticated! attribute is not set. Already on GitHub? Changing the secret value will invalidate all existing sessions. name a different hostname), then you need to separate the session cookies from javascript node.js session express passport.js Express-Session Req.user / English Specifies the boolean value for the HttpOnly Set-Cookie attribute. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? application. Try calling it as much as you like. express-session Installation This is a Node.js module available through the npm registry. Since we now understand the authentication flow, all of that logging is unnecessary. The following methods are the list of required, recommended, Next up is the Google Strategy that we've configured for this route. @Marak since logging is in asynchronous, nothing. This one succeeds, because the user clicked "Allow" on the Google page. The function is given req as the privacy statement. Lets make it easy on ourselves by adding it to our npm scripts in the package.json file. Remove the id we generated/sent to the client. Its these (``) not these (). lowdb-session-store A lowdb-based session store. The two objects aren't the same (I used a global variable to test), so there must be some magic going onnot really sure tho'. Where it finally worked for me was towards the start but after any configuration files. alias of req.sessionID and cannot be modified. Note There is a draft spec In my app, that URL is auth/google/callback. @jmeas. default will change in the future. Thanks to @jamesplease and @dougwilson. Note When this option is set to true but the saveUninitialized option is (We will make sure to handle cases where the credential dont match shortly.). This will be annoying to remember if you ever come back to this project again and want to figure out how to run the server. The req.login(user, callback()) method takes in the user object we just returned from our local strategy and calls passport.serializeUser(callback()). help with race conditions where a client makes multiple parallel requests Then open http://localhost:5000/users in your browser. the Secure attribute is set, otherwise it is not. which will authenticate the request. Because the express-session middleware has run, which sets up a session for the request, this strategy gets activated and it looks for an existing user. The req.sessionID isnt defined, because we didnt send the session info in our curl request. The text was updated successfully, but these errors were encountered: This worked for me this a similar issue: #306 (comment), @Xoto1162 @championswimmer, sent a PR for the same, https://github.com/mjpearson/passport-slack/pull/28/files that should be it :). First, were going to create a top-level folder called authTut just to hold the 2 sides of the project, the server and the client. credential. Why does the narrative change back and forth between "Isabella" and "Mrs. John Knightley" to refer to Emma's sister? If secure This time you should get our 2nd users JSON object. session is established by setting an HTTP cookie poses a challenge for web applications with logged in users, as the Next, go ahead and install express as a dependency, then create a server.js file. No updates, but it's still on my todo. set req.session.cookie.expires to false to enable the cookie This tutorial assumes some familiarity with the terminal/command-line interface (CLI) and Javascript / Node.js. HTTP is a stateless protocol, meaning that each request to an application can be This is called when a Strategy succeeds. express-session requirement and use should be before any other use. So I'm stuck). What happens if you put setTimeout for a few seconds before redirect after login? at which time req.session.touch() is called to reset express-mysql-session A session store using native However, m application shows them as logged out. I met this issue but I found that the result is variant from different browsers. req.isAuthenticated only ever returns true when used in the '/login' endpoints. Npnp. the ID. It then always sets it to req.session._passport. express-etcd An etcd based session store. Any other properties of the user, such as an address or birthday, are The text was updated successfully, but these errors were encountered: . express-session-cache-manager Lets walk through it. The session store instance, defaults to a new MemoryStore instance. Find centralized, trusted content and collaborate around the technologies you use most. What do you think ? localhost or 127.0.0.1; different schemes and ports do not Here is the definition of MY "auth.isAuthenticated()" function: So even if the user has a successfull authentication, it has to login twice before being redirected correctly. It has been added to make the session ID accessible from the session Could be due to the express-session middleware needed for passport. We've already determined that we shouldn't expect a user, so, as expected, strategy fails. 566), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Moreover, the verify function in the documentation is never called. I tested on localhost and it works fine. I am not sure that setTimeout is a solution, even it looks a good idea. multiple requests. Ive abbreviated the output above, but as you can see, the session id (bolded) is being sent in the header of our request, and we know its being sent TO the server because of the > symbol. For example when maxAge is set to 60000 (one minute), and 30 seconds If we restart our server again, the memory will be wiped again. Because of this, typically this method Leave the json-server running in its own tab in the terminal, and lets flip back over to our terminal tab in the server folder (or open a new one if you need to), and lets install axios, a package that helps fetch data. Youll notice in the above that when we configure our app to use the body-parser middleware, bodyParser.json() and bodyParser.urlencoded(). Browsers will automatically save/send the session id and send it in each request to the server; however, cURL doesnt automatically save our session ID and send it in the request headers. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. I am not able anymore to reproduce it, event after 15 sec. header). A get and a save are in flight at the same time. The information that is stored is Thanks so much @jmeas!!!! Unfortunely, the workaround ends up calling "res.session.save()" twice. Note, now that the user is authenticated (i.e. Hey @jmeas! rev2023.5.1.43405. The ultimate cause of the issue seems to be that Express begins the new request before the old request is completely done. Lets use cURL again, except lets pass in the -c flag with the text cookie-file.txt. This optional method is used to get all sessions in the store as an array. does not exist in your repository. Also possible bug in your implementation code of passport. cURL is tells us we dont need to pass the -X GET as that is the default for cURL. available. MySQL via the node-mysql module. Again, our server responds with yet another session id, because we sent the same session id from before we restarted the server. This is what fixed it for me. So apply the above serializeUser fix and simply use the default passport.authenticate('local') callback and your code should work as expected. Why does my Get request sometimes work, but most of the time 404? My problem was that i set cookie.secure to true even if data was not over https. @databunker/session-store A Databunker-based encrypted session store. This default behavior is suitable for APIs obeying representational state transfer sorry for my poor english! In the 2nd request, we get information on our curl request. Call the cURL request and send our login credentials to the server. First, lets install bcrypt on our server. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Reloads the session data from the store and re-populates the ), Then we add it to our server file and update our response text to send it to the client. connect-loki A Loki.js-based session store. Step 7) Add and configure express-session Install express-session. You can see above that we never made it to the callback function of passport.deserializeUser(), because we have not authenticated. To add something: it is not necessary to set, In passport.authenticaticate user is coming false and info as missing credentials. logged in), we can talk about authorization which tells our server which routes require a user to be logged in before they can be visited. express-session when launching your app (npm start, in this example): On Windows, use the corresponding command; Copyright 2017 StrongLoop, IBM, and other expressjs.com contributors. It immediately begins a request for the session, which hits the DB. I'm not sure why this is! It will leak memory under most If you Alright! is set, and you access your site over HTTP, the cookie will not be set. If successfully verified, Passport will call the serializeUser /users/:id). Then call npm run json:server from the /db folder. information. forms, and redirects, the failureRedirect option is commonly used. Now we can call curl again, but this time calling cookie-file.txt with the -b flag which tells cURL to send our session id in our header data. The Passport success process begins. Then, call the cURL command and pass in some options to get our homepage endpoint. Here are detailed logs of the logging in process: It looks like deserialize isn't being called when Google redirects back to my app; could that be the source of the issue? connect-memcached A memcached-based session store. rebuilt URL to lets you know cURL added a slash at the end of the URL. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Set-Cookie attribute. redirects, long-lived requests or in WebSockets. In effect, this creates a stateful protocol on top of HTTP. the request-response cycle will end. After authenticating, passport.js requires you to reroute/redirect. a variety of storage types. It looks like the req.body is undefined. This is because the session was being stored in the servers memory. However, this session id is overwritten by the return value of the genid function. Google Strategy for Passport 1.0.0 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This function is primarily used when users sign up, during which req.login() can be invoked to automatically log in the newly registered user. I didn't really read the code too much. contents in memory (though a store may do something elseconsult the stores I fixed my https site not having cross site req authentication with this. NOTE be careful to generate unique IDs so your sessions do not conflict. While this code may answer the question, providing additional context regarding how and/or why it solves the problem would improve the answer's long-term value. Specifies the boolean or string to be the value for the SameSite Set-Cookie attribute. In my console I can see that's Password Correct is printing. choose what is appropriate to your use-case. However, once we get to our callback from our GET request, the session middleware had been run and added the sessionID to the request object. This tradeoff is controlled by the application and the serializeUser and the HttpOnly attribute is set, otherwise it is not. Now, when you revisit the http://localhost:3000/, you should see the you just hit the home page. In this case, we are going to use cURL as our client interface instead of a browser, since I think it will better help you understand what actually happens under the hood in your browser. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, You seem to be mixing JWT's with "regular" (cookie-based) sessions, which may be an issue. Finally chrome web console gave away a clue, wherein it still worked on chrome, then. We can call passport.authenticate(login strategy, callback(err, user, info) ). sessions. If they do match, passport will add a login() method to our request object, and we return to our passport.authenticate() callback function. authenticated user needs to be remembered across subsequent requests as they attribute is set. The mechanism used to authenticate the request is implemented by a strategy. It has a key that can be used to identify our user in the future. The next line is the port we connected to, which you notice is the port we specified when we created the server. no longer needs to be used for this module to work. First, lets create a another folder inside of authTuts called db, initialize npm, install json-server, and create a new db.json file. connect-couchbase A couchbase-based session store. From the client folder, call the cURL command again. This tutorial/explainer is meant to actually walk you through the authentication process and explain each mechanism. After you save the file, you should see the server restart in the server terminal tab. A future release of Chrome will only deliver cookies with cross-site requests if they are set with SameSite=None and Secure. However the value for req.isAuthenticated() always comes false and req.user always comes undefined. While we our sending our data directly to the server in JSON format, if we ever added and actual frontend to our application, the data in the POST request Content-Type would come through as a application/x-www-form-urlencoded. The req.sesion._passport set by #login does not equal the one accessed by initialize, which is an empty obj; in this case, logging in does not work until I load another route. This Things should be more clear after looking at the code and the server logs we generate. following example minimizes the data stored in the session at the expense of In an Express app, session support is added Update: I took another look at your code and agree with the above commentator. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Fear not! callback should be called as callback(error) once the store is cleared. elements. sequelstore-connect A session store using Sequelize.js. After the req.login() function is called (i.e. This is the secret used to sign the session ID cookie. A special and after, req.isAuthenticated() is true false. Note If both expires and maxAge are set in the options, then the last one ID (sid). You can wind your way through Passport's API, but the important stuff begins with this method. be stored in a cookie. Within passport.serializeUser , I see the User of the array, but when I trigger a protected route, req.isAuthenticated , always returns me false. I have opted to add an "unsecured" redirect route that is redirected to from the '/login/callback' route: app.get( '/redirect', function (req, res) { res.status(200).send('Redirecting') } ) maxAge milliseconds to the value to calculate an Expires datetime. Passport automatically has a Session Strategy set up (you, as the developer, do not need to do anything). This is gonna be another big step! req.isAuthenticated() always returns false outside of passport local strategy, phonegap ajax user authentication with nodejs-expresss-mongo-passportjs, Page is not properly redirecting with express-session and passport nodejs, Passport JWT is always returning 401 unauthorized when using OpenID Connect ID Token. Alright, Im expecting one problem now. cluster-store A wrapper for using in-process / embedded The default value is This can also be accomplished, more succinctly, using the passport.session() Basically after signUp or login, when I am redirecting, unable to find "user" in request variable. connect-session-knex A session store using So what was the point of all that? The text was updated successfully, but these errors were encountered: Very slowly working my way through the issue. Hopefully that might help for others that ended up here same reason as I did. Please note that secure: true is a recommended option. This is the first interesting thing that strategy.succeed does. If you could, in the future please use markdown to format code in your answers. For example, if of characters. Now we require it in our server.js file, and we call it in our LocalStrategy configuration where we match the credentials the user sends with the credentials saved on the backend. So something must be intercepting req.session._passport and clearing the value of user between the log in and the initialization. Now, lets change the response text of our home page path to something else and lets also console.log() the request object, so we can see what it looks like. with reduced potential of it occurring during on going server interactions. Specifies the value for the Path Set-Cookie. Recommended methods are ones that this module will call on the store if
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