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use crate::prelude::*;
use oauth2::TokenResponse as _;
mod recurse_center;
pub use recurse_center::RecurseCenter;
// this needs to be fixed because we listen for it in a hardcoded place
pub const CLI_REDIRECT_URL: &str = "http://localhost:44141/oauth";
pub trait Oauth {
fn client(&self) -> &oauth2::basic::BasicClient;
fn user_id(&self) -> &str;
fn name(&self) -> &str;
fn server_token_file(
&self,
must_exist: bool,
) -> Option<std::path::PathBuf> {
let name = format!("server-oauth-{}-{}", self.name(), self.user_id());
crate::dirs::Dirs::new().data_file(&name, must_exist)
}
fn generate_authorize_url(&self) -> String {
let (auth_url, _) = self
.client()
.authorize_url(oauth2::CsrfToken::new_random)
.url();
auth_url.to_string()
}
fn get_access_token_from_auth_code(
&self,
code: &str,
) -> Box<dyn futures::Future<Item = String, Error = Error> + Send> {
let token_cache_file = self.server_token_file(false).unwrap();
let fut = self
.client()
.exchange_code(oauth2::AuthorizationCode::new(code.to_string()))
.request_future(oauth2::reqwest::future_http_client)
.map_err(|e| {
let msg = stringify_oauth2_http_error(&e);
Error::ExchangeCode { msg }
})
.and_then(|token| {
cache_refresh_token(token_cache_file, &token)
.map(move |_| token.access_token().secret().to_string())
});
Box::new(fut)
}
fn get_access_token_from_refresh_token(
&self,
token: &str,
) -> Box<dyn futures::Future<Item = String, Error = Error> + Send> {
let token_cache_file = self.server_token_file(false).unwrap();
let fut = self
.client()
.exchange_refresh_token(&oauth2::RefreshToken::new(
token.to_string(),
))
.request_future(oauth2::reqwest::future_http_client)
.map_err(|e| {
let msg = stringify_oauth2_http_error(&e);
Error::ExchangeRefreshToken { msg }
})
.and_then(|token| {
cache_refresh_token(token_cache_file, &token)
.map(move |_| token.access_token().secret().to_string())
});
Box::new(fut)
}
fn get_username_from_access_token(
&self,
token: &str,
) -> Box<dyn futures::Future<Item = String, Error = Error> + Send>;
}
fn cache_refresh_token(
token_cache_file: std::path::PathBuf,
token: &oauth2::basic::BasicTokenResponse,
) -> Box<dyn futures::Future<Item = (), Error = Error> + Send> {
let token_data = format!(
"{}\n{}\n",
token.refresh_token().unwrap().secret(),
token.access_token().secret(),
);
let fut = tokio::fs::File::create(token_cache_file.clone())
.with_context(move || crate::error::CreateFile {
filename: token_cache_file.to_string_lossy().to_string(),
})
.and_then(|file| {
tokio::io::write_all(file, token_data)
.context(crate::error::WriteFile)
})
.map(|_| ());
Box::new(fut)
}
#[derive(Debug, Clone)]
pub struct Config {
client_id: String,
client_secret: String,
auth_url: url::Url,
token_url: url::Url,
redirect_url: url::Url,
}
impl Config {
pub fn set_redirect_url(&mut self, url: url::Url) {
self.redirect_url = url;
}
fn into_basic_client(self) -> oauth2::basic::BasicClient {
oauth2::basic::BasicClient::new(
oauth2::ClientId::new(self.client_id),
Some(oauth2::ClientSecret::new(self.client_secret)),
oauth2::AuthUrl::new(self.auth_url.to_string()).unwrap(),
Some(oauth2::TokenUrl::new(self.token_url.to_string()).unwrap()),
)
.set_redirect_url(
oauth2::RedirectUrl::new(self.redirect_url.to_string()).unwrap(),
)
}
}
// make this actually give useful information, because the default
// stringification is pretty useless
fn stringify_oauth2_http_error(
e: &oauth2::RequestTokenError<
oauth2::reqwest::Error<reqwest::Error>,
oauth2::StandardErrorResponse<oauth2::basic::BasicErrorResponseType>,
>,
) -> String {
match e {
oauth2::RequestTokenError::ServerResponse(t) => {
format!("ServerResponse({})", t)
}
oauth2::RequestTokenError::Request(re) => format!("Request({})", re),
oauth2::RequestTokenError::Parse(se, b) => format!(
"Parse({}, {})",
se,
std::string::String::from_utf8_lossy(b)
),
oauth2::RequestTokenError::Other(s) => format!("Other({})", s),
}
}
|
