use crate::authentication::IdentityProviderHandler;
use async_trait::async_trait;
use http_api_isahc_client::IsahcClient;
use oauth2_client::re_exports::{ClientId, ClientSecret, RedirectUri};
use oauth2_gitlab::{BASE_URL_GITLAB_COM, GitlabExtensionsBuilder, GitlabProviderForEndUsers, GitlabScope};
use oauth2_signin::web_app::{SigninFlow, SigninFlowHandleCallbackByQueryConfiguration, SigninFlowHandleCallbackRet};
pub use oauth2_gitlab;
pub const GITLAB_BASE_URL: &str = "GITLAB_BASE_URL";
#[derive(Default)]
pub struct GitLabIdentityProviderHandler {}
#[async_trait]
impl IdentityProviderHandler for GitLabIdentityProviderHandler {
async fn handle_callback(
&self,
client_id: ClientId,
client_secret: ClientSecret,
redirect_uri: RedirectUri,
query: String,
) -> Result<SigninFlowHandleCallbackRet, Box<dyn std::error::Error>> {
let client = IsahcClient::new()?;
let base_url = std::env::var(GITLAB_BASE_URL).unwrap_or(BASE_URL_GITLAB_COM.to_string());
let provider = GitlabProviderForEndUsers::new(base_url, client_id, client_secret, redirect_uri)?;
let scopes = vec![GitlabScope::Email];
let flow = SigninFlow::new(client, provider, scopes, GitlabExtensionsBuilder);
let config = SigninFlowHandleCallbackByQueryConfiguration::new();
Ok(flow.handle_callback_by_query(query, config).await)
}
}