use crate::client::HttpClientExt;
use crate::error::ConnectError;
use crate::provider::Provider;
use crate::user::ConnectUser;
use async_trait::async_trait;
use serde_json::Value;
pub struct Auth0Provider {
client_id: String,
client_secret: secrecy::SecretString,
redirect_url: String,
domain: String,
http_client: ::std::sync::Arc<dyn crate::client::HttpClient>,
scopes: String,
state: Option<String>,
pkce_challenge: Option<String>,
}
impl Auth0Provider {
pub fn new(
client_id: String,
client_secret: secrecy::SecretString,
redirect_url: String,
domain: String,
) -> Self {
use secrecy::ExposeSecret;
assert!(
!client_id.is_empty(),
"Socialite Error: client_id cannot be empty"
);
assert!(
!client_secret.expose_secret().is_empty(),
"Socialite Error: client_secret cannot be empty"
);
assert!(
redirect_url.starts_with("http"),
"Socialite Error: redirect_url must be a valid HTTP/HTTPS URL"
);
Self {
client_id,
client_secret,
redirect_url,
domain,
http_client: crate::client::DEFAULT_HTTP_CLIENT.clone(),
scopes: "openid profile email".to_string(),
state: None,
pkce_challenge: None,
}
}
pub fn with_scopes(mut self, scopes: &[&str]) -> Self {
self.scopes = scopes.join(" ");
self
}
pub fn with_state(mut self, state: &str) -> Self {
self.state = Some(state.to_owned());
self
}
pub fn with_pkce(mut self, challenge: &str) -> Self {
self.pkce_challenge = Some(challenge.to_owned());
self
}
pub fn with_http_client(
mut self,
client: ::std::sync::Arc<dyn crate::client::HttpClient>,
) -> Self {
self.http_client = client;
self
}
#[cfg(feature = "retry")]
pub fn with_retry(mut self, max_retries: u32) -> Self {
self.http_client =
::std::sync::Arc::new(crate::client::ReqwestClient::new_with_retry(max_retries));
self
}
}
#[async_trait]
impl Provider for Auth0Provider {
fn redirect_url(&self) -> String {
let mut params = crate::provider::build_oauth_params(
&format!("https://{}/authorize", self.domain),
&self.client_id,
&self.redirect_url,
&self.scopes,
self.state.as_deref(),
self.pkce_challenge.as_deref(),
);
params.append_pair("response_type", "code");
params.finish()
}
async fn get_user(
&self,
params: crate::provider::ExchangeParams<'_>,
) -> Result<crate::user::ConnectUser, crate::error::ConnectError> {
let form_data = crate::provider::TokenExchangeForm {
client_id: self.client_id.as_str(),
client_secret: Some(secrecy::ExposeSecret::expose_secret(&self.client_secret)),
code: params.auth_code,
grant_type: Some("authorization_code"),
redirect_uri: self.redirect_url.as_str(),
code_verifier: params.code_verifier,
};
crate::provider::exchange_and_get_user(
self,
self.http_client.as_ref(),
&self.token_url(),
&form_data,
params.expected_nonce,
)
.await
}
async fn get_user_from_token(&self, access_token: &str) -> Result<ConnectUser, ConnectError> {
let user_res = self
.http_client
.get(format!("https://{}/userinfo", self.domain))
.bearer_auth(access_token)
.send()
.await?
.error_for_status()?
.json::<Value>()
.await?;
Ok(ConnectUser {
id: user_res["sub"].as_str().map(String::from).ok_or_else(|| {
crate::error::ConnectError::Provider("Missing user id".to_owned())
})?,
name: user_res["name"]
.as_str()
.map(String::from)
.unwrap_or_default(),
email: user_res["email"].as_str().map(String::from),
avatar_url: user_res["picture"].as_str().map(String::from),
email_verified: user_res["email_verified"].as_bool(),
raw_data: user_res,
access_token: secrecy::SecretString::from(access_token.to_owned()),
refresh_token: None,
expires_in: None,
})
}
fn token_url(&self) -> String {
format!("https://{}/oauth/token", self.domain)
}
async fn refresh_token(
&self,
refresh_token: &str,
) -> Result<crate::user::ConnectUser, crate::error::ConnectError> {
let token = crate::provider::fetch_refresh_token(
self.http_client.as_ref(),
&self.token_url(),
&self.client_id,
secrecy::ExposeSecret::expose_secret(&self.client_secret),
refresh_token,
)
.await?;
let mut user = self.get_user_from_token(&token.access_token).await?;
user.refresh_token = token.refresh_token.map(secrecy::SecretString::from);
user.expires_in = token.expires_in;
Ok(user)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::provider::Provider;
#[test]
fn test_redirect_url() {
let provider = Auth0Provider::new(
"client_id".to_string(),
secrecy::SecretString::from("client_secret".to_string()),
"https://redirect.url".to_string(),
"test.auth0.com".to_string(),
);
let url = provider.redirect_url();
assert!(url.starts_with("https://test.auth0.com/authorize?"));
assert!(url.contains("client_id=client_id"));
assert!(url.contains("redirect_uri=https%3A%2F%2Fredirect.url"));
}
#[test]
fn test_redirect_url_invalid_domain() {
let provider = Auth0Provider::new(
"client_id".to_string(),
secrecy::SecretString::from("client_secret".to_string()),
"https://redirect.url".to_string(),
"invalid domain".to_string(), );
let url = provider.redirect_url();
assert!(url.starts_with("https://invalid domain/authorize?"));
}
}