Tutorial by Topics: authentication

Devise is a very powerful gem, it allows you to sign up, sign in and sign out options just after installing. Moreover user can add authentications and restrictions to its applications. Devise also come with its own views, if user wants to use. A user can also customize sign up and sign in forms according to its need and requirement. It should be noted that Devise recommends that you implement your own login if you're new to rails.

//Replace firebase values with your app api values import firebase from 'firebase';

componentWillMount() { firebase.initializeApp({ apiKey: "yourAPIKey", authDomain: "authDomainNAme", databaseURL: "yourDomainBaseURL", projectId: "yourProjectID", storageBucket: "storageBUcketValue", messagingSenderId: "senderIdValue" }); firebase.auth().signInWithEmailAndPassword(email, password) .then(this.onLoginSuccess) }) }

In this topic we gonna make a HTTP-Header authenticate script.

Authentication is the process of verifying the identity of a client. When access control, i.e. authorization, is enabled, MongoDB requires all clients to authenticate themselves in order to determine their access.

MongoDB supports a number of authentication mechanisms that clients can use to verify their identity. These mechanisms allow MongoDB to integrate into your existing authentication system.

Many third-party APIs require a key, allowing them to prevent abuse. If they issue you a key, it's very important that you not commit the key into a public repository, as this will allow others to steal your key.

Using the Users API is a very simple and flexible way to work the authentication in App Engine, but please make sure that your application cases don't require more elements for the authentication environment.

Note: If you need more information about the traditional structure of an App Engine app, please review this info.

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