# Authorization\_code grant type oauth2

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&#x20;※ [**Authorization\_code grant type oauth2 - Link**](http://exfindfiles.ru/d/authorization_code+grant+type+oauth2) \
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You need this value in the next sections, so copy it from the application page. Security Considerations Preventing replay attacks If an authorization code is used more than once, the authorization server must deny the subsequent requests. The parameter prevents cross-site request forgery. The client object will refresh the access token as needed.\
&#x20;![authorization\_code grant type oauth2](http://1.bp.blogspot.com/-4BPYZAnCAVg/U3AudN5FMRI/AAAAAAAAACM/Izv_4-zDuB8/w1200-h630-p-nu/oauth2.0-authorization-code-flow.png)\\

The value must be set to code. This grant type should only be enabled on the authorization server if other flows are not viable.\
&#x20;![authorization\_code grant type oauth2](https://image.slidesharecdn.com/oauth2spring-150929104710-lva1-app6891/95/oauth2-and-spring-security-15-638.jpg?cb=1443523771)\\

**Contents** - Most people would find it natural if they only were asked for access to their Google Drive at the time the app actually needed it.\
&#x20;![authorization\_code grant type oauth2](https://backstage.forgerock.com/docs/am/5/oauth2-guide/images/oauth2-authz.png)\\
