What is a short lived token?

How do I get a short live access token?

Go to https://developers.facebook.com/tools/explorer/ and select your app from the first drop down menu, in the left. Click on the button “Get access token”, and in the “Select Permissions” window, click in “Extended Permissions” and check manage_pages and publish_stream, and click in “Get Access Token” blue button.

Why are access tokens short-lived?

Short-lived access tokens and no refresh tokens

Typically this option is used by services where there is a high risk of damage if a third-party application were to accidentally or maliciously leak access tokens.

What is the lifespan of a token?

The access tokens are valid only for 3600 seconds (one hour) after that they are expired. The API request holder can use Refresh tokens in order to generate new Access tokens as needed.

How do I renew my Facebook token?

You can not use an expired token to request a long-lived token. If the token has expired, your app must send the user through the login flow again to regenerate a new short-lived access token. Make this call from your server, not a client.

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Which protocol can issue short lived tokens?

With OAuth 2.0, the authorization server can issue a short-lived access token and a long-lived refresh token.

How does access token work?

How Do Access Tokens Work?

  1. Login: Use a known username and password to prove your identity.
  2. Verification: The server authenticates the data and issues a token.
  3. Storage: The token is sent to your browser for storage.
  4. Communication: Each time you access something new on the server, your token is verified once more.

What if refresh token is stolen?

If the refresh token can be stolen, then so can the access token. With such an access token, the attacker can start making API calls. To make matters even more complicated, access tokens are often self-contained JWT tokens. Such tokens contain all the information needed for the API to make security decisions.

How do I know if my token is expired?

This can be done using the following steps:

  1. convert expires_in to an expire time (epoch, RFC-3339/ISO-8601 datetime, etc.)
  2. store the expire time.
  3. on each resource request, check the current time against the expire time and make a token refresh request before the resource request if the access_token has expired.

Do API tokens expire?

Tokens are valid for 30 days from creation or last use, so that the 30 day expiration automatically refreshes with each API call. Tokens that aren’t used for 30 days expire. The 30-day period is currently fixed and can’t be changed for your organization.

What is the default timeout for short lived access token?

Locate the Token Expiration (Seconds) field, and enter the appropriate access token lifetime (in seconds) for the API. Default value is 86,400 seconds (24 hours).

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How do handle tokens expire?

There are three ways:

  1. Changing the secret key. This will revoke all tokens of all users, which is not acceptable.
  2. Make each user has his own secret and just change the secret of a specified user. Now the RESTful backend is not stateless anymore. …
  3. Store the revoked JWT tokens in Redis.

How do I persist access token?

Most guidelines, while advising against storing access tokens in the session or local storage, recommend the use of session cookies. However, we can use session cookies only with the domain that sets the cookie. Another popular suggestion is to store access tokens in the browser’s memory.

How long do Facebook tokens last?

When your app uses Facebook Login to authenticate someone, it receives a User access token. If your app uses one of the Facebook SDKs, this token lasts for about 60 days. However, the SDKs automatically refresh the token whenever the person uses your app, so the tokens expire 60 days after last use.

How do I get Facebook access token that never expires?

In the Access Token Debugger that will open up, click on the ‘Extend Access Token’ button at the bottom of the page. A new access token should be displayed and the text above it should say that it never expires.

How do I know if my Facebook access token has expired?

Basically, you can subscribe to updates that will tell you 1) if the user removed the app or 2) if the user removed permissions. You could use this to store the current permissions of the faceboook user. This way, if the user removed your app you would know that the access token is expired.

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