64 lines
2.4 KiB
Markdown
64 lines
2.4 KiB
Markdown
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# Light OpenID
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[](https://drone.communiquons.org/pierre/light-openid)
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[](https://crates.io/crates/light-openid)
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Lightweight OpenID primitives & client. This package can be used to turn an application into an OpenID relying party.
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> **Warning !** This crate has not been audited, use at your own risks!
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>
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> It is your responsibility to implement the routes (start & finish authentication) that interacts
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> with the `OpenIDConfig` helper structure.
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>
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> Moreover, only a very small subset of OpenID specifications are supported :
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> * `code` authorization flow
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> * The scopes `openid profile email` are hard coded and cannot be changed
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> * User info retrieval using `userinfo` endpoint
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## Basic usage
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```rust
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let config = OpenIDConfig::load_from_url(&AppConfig::get().configuration_url).await.unwrap();
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// Start authentication
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let auth_url = config.gen_authorization_url("client_id", "state", "redirect_uri");
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redirect_user(auth_url);
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// Finish authentication
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let token_response = config.request_token("client_id", "client_secret", "code", "redirect_uri").await.unwrap();
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let user_info = config.request_user_info(&token_response).await.unwrap();
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// user_info now contains profile info of user
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```
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## Feature `crypto-wrapper`
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`CryptoWrapper` is a helper that can encrypt to base64-encoded string structures:
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```rust
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#[derive(Encode, Decode, Eq, PartialEq, Debug)]
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struct Message(String);
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fun test() {
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let wrapper = CryptoWrapper::new_random();
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let msg = Message("Hello world".to_string());
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let enc = wrapper.encrypt(&msg).unwrap();
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let dec: Message = wrapper.decrypt( & enc).unwrap();
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assert_eq!(dec, msg);
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}
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```
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> Note : In order to use `CryptoWrapper` on your own, you must add `bincode>=2.0` as one of your own dependencies. This is not required if you decide use `BasicStateManager`.
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`BasicStateManager` is a helper that uses `CryptoWrapper` to generate and validates states for OpenID authentication:
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```rust
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let ip = IpAddr::V4(Ipv4Addr::new(192, 168, 1, 1));
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let manager = BasicStateManager::new();
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let state = manager.gen_state(ip).unwrap();
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assert!(manager.validate_state(ip, &state).is_ok());
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```
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## Complete example
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A complete example usage of this crate can be found here:
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[https://gitea.communiquons.org/pierre/oidc-test-client](https://gitea.communiquons.org/pierre/oidc-test-client)
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