rullst-connect 7.0.2

OAuth2 Social Login for Rust web frameworks.
Documentation 
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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;

crate::define_provider!(BasecampProvider);

#[async_trait]
impl Provider for BasecampProvider {
    fn redirect_url(&self) -> String {
        let mut params = crate::provider::build_oauth_params(
            &self.client_id,
            &self.redirect_url,
            &self.scopes,
            self.state.as_deref(),
            self.pkce_challenge.as_deref(),
        );
        params.append_pair("type", "web_server");
        format!(
            "https://launchpad.37signals.com/authorization/new?{}",
            params.finish()
        )
    }

    async fn get_user(&self, auth_code: &str) -> Result<ConnectUser, ConnectError> {
        let token_res = self
            .http_client
            .post(self.token_url())
            .form(&[
                ("client_id", self.client_id.as_str()),
                ("client_secret", self.client_secret.as_str()),
                ("code", auth_code),
                ("redirect_uri", self.redirect_url.as_str()),
            ])
            .send()
            .await?
            .error_for_status()?
            .json::<Value>()
            .await?;

        let access_token = token_res["access_token"]
            .as_str()
            .ok_or_else(|| ConnectError::Token("Failed to get access_token".to_string()))?;

        let mut user = self.get_user_from_token(access_token).await?;
        user.refresh_token = token_res["refresh_token"].as_str().map(String::from);
        user.expires_in = token_res["expires_in"]
            .as_u64()
            .or_else(|| token_res["expires_in"].as_i64().map(|v| v as u64));
        Ok(user)
    }

    async fn get_user_from_token(&self, access_token: &str) -> Result<ConnectUser, ConnectError> {
        let user_res = self
            .http_client
            .get("https://launchpad.37signals.com/authorization.json")
            .bearer_auth(access_token)
            .send()
            .await?
            .error_for_status()?
            .json::<Value>()
            .await?;

        let identity = &user_res["identity"];
        let first_name = identity["first_name"].as_str().unwrap_or("");
        let last_name = identity["last_name"].as_str().unwrap_or("");
        let name = format!("{} {}", first_name, last_name).trim().to_string();

        Ok(ConnectUser {
            id: identity["id"]
                .as_i64()
                .map(|i| i.to_string())
                .ok_or_else(|| {
                    crate::error::ConnectError::Provider("Missing user id".to_string())
                })?,
            name,
            email: identity["email_address"].as_str().map(String::from),
            avatar_url: None, // Basecamp API doesn't standardly expose an avatar via launchpad
            email_verified: None,
            raw_data: user_res,
            access_token: access_token.to_string(),
            refresh_token: None,
            expires_in: None,
        })
    }

    fn token_url(&self) -> String {
        "https://launchpad.37signals.com/authorization/token?type=web_server".to_string()
    }

    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,
            &self.client_secret,
            refresh_token,
        )
        .await?;

        let mut user = self.get_user_from_token(&token.access_token).await?;
        user.refresh_token = token.refresh_token;
        user.expires_in = token.expires_in;
        Ok(user)
    }
}