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57 lines
2.1 KiB
Markdown
57 lines
2.1 KiB
Markdown
# Cookie
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Cookies are an easy way to store stateful information into the user browser. Thus, it is more useful for browser-based navigation (e.g. a front-end app making API requests) rather than pure API interaction.
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## Configuration
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```py
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from fastapi_users.authentication import CookieAuthentication
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SECRET = "SECRET"
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cookie_authentication = CookieAuthentication(secret=SECRET, lifetime_seconds=3600)
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```
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As you can see, instantiation is quite simple. It accepts the following arguments:
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* `secret` (`Union[str, pydantic.SecretStr]`): A constant secret which is used to encode the cookie. **Use a strong passphrase and keep it secure.**
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* `lifetime_seconds` (`int`): The lifetime of the cookie in seconds.
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* `cookie_name` (`fastapiusersauth`): Name of the cookie.
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* `cookie_path` (`/`): Cookie path.
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* `cookie_domain` (`None`): Cookie domain.
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* `cookie_secure` (`True`): Whether to only send the cookie to the server via SSL request.
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* `cookie_httponly` (`True`): Whether to prevent access to the cookie via JavaScript.
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* `cookie_samesite` (`lax`): A string that specifies the samesite strategy for the cookie. Valid values are `lax`, `strict` and `none`. Defaults to `lax`.
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* `name` (`Optional[str]`): Name of the backend. It's useful in the case you wish to have several backends of the same class. Each backend should have a unique name. Defaults to `cookie`.
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```py
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cookie_authentication = CookieAuthentication(
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secret=SECRET,
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lifetime_seconds=3600,
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name="my-cookie",
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)
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```
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!!! tip
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The value of the cookie is actually a JWT. This authentication backend shares most of its logic with the [JWT](./jwt.md) one.
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## Login
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This method will return a response with a valid `set-cookie` header upon successful login:
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!!! success "`200 OK`"
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> Check documentation about [login route](../../usage/routes.md#post-loginname).
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## Logout
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This method will remove the authentication cookie:
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!!! success "`200 OK`"
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> Check documentation about [logout route](../../usage/routes.md#post-logoutname).
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## Authentication
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This method expects that you provide a valid cookie in the headers.
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