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|
use rocket::{
http::Status,
response::{self, Responder},
serde::json::Json,
Request, Response,
};
use serde_json::json;
use crate::{
auth::Authenticated,
crypto::SecretBytes,
types::{OauthToken, SessionID, UserSession},
};
pub(crate) mod account;
pub(crate) mod device;
pub(crate) mod email;
pub(crate) mod invite;
pub(crate) mod oauth;
pub(crate) mod password;
pub(crate) mod session;
// we don't provide any additional fields. some we can't provide anyway (eg
// invalid parameter `validation`), others are implied by the request body (eg
// account exists `email`), and *our* client doesn't care about them anyway
#[derive(Debug)]
pub(crate) enum Error {
AccountExists,
UnknownAccount,
IncorrectPassword,
UnverifiedAccount,
InvalidVerificationCode,
InvalidBody,
InvalidParameter,
MissingParameter,
InvalidSignature,
InvalidAuthToken,
RequestTooLarge,
IncorrectEmailCase,
UnknownDevice,
UnverifiedSession,
EmailFailed,
NoDeviceCommand,
UnknownClientID,
ScopesNotAllowed,
InviteOnly,
InviteNotFound,
Other(anyhow::Error),
UnexpectedStatus(Status),
}
#[rustfmt::skip]
impl<'r> Responder<'r, 'static> for Error {
fn respond_to(self, request: &'r Request<'_>) -> response::Result<'static> {
let (code, errno, msg) = match self {
Error::AccountExists => (Status::BadRequest, 101, "account already exists"),
Error::UnknownAccount => (Status::BadRequest, 102, "unknown account"),
Error::IncorrectPassword => (Status::BadRequest, 103, "incorrect password"),
Error::UnverifiedAccount => (Status::BadRequest, 104, "unverified account"),
Error::InvalidVerificationCode => (Status::BadRequest, 105, "invalid verification code"),
Error::InvalidBody => (Status::BadRequest, 106, "invalid json in request body"),
Error::InvalidParameter => (Status::BadRequest, 107, "invalid parameter in request body"),
Error::MissingParameter => (Status::BadRequest, 108, "missing parameter in request body"),
Error::InvalidSignature => (Status::Unauthorized, 109, "invalid request signature"),
Error::InvalidAuthToken => (Status::Unauthorized, 110, "invalid authentication token"),
Error::RequestTooLarge => (Status::PayloadTooLarge, 113, "request too large"),
Error::IncorrectEmailCase => (Status::BadRequest, 120, "incorrect email case"),
Error::UnknownDevice => (Status::BadRequest, 123, "unknown device"),
Error::UnverifiedSession => (Status::BadRequest, 138, "unverified session"),
Error::EmailFailed => (Status::UnprocessableEntity, 151, "failed to send email"),
Error::NoDeviceCommand => (Status::BadRequest, 157, "unavailable device command"),
Error::UnknownClientID => (Status::BadRequest, 162, "unknown client_id"),
Error::ScopesNotAllowed => (Status::BadRequest, 169, "requested scopes not allowed"),
Error::InviteOnly => (Status::BadRequest, -1, "invite code required"),
Error::InviteNotFound => (Status::BadRequest, -2, "invite code not found"),
Error::Other(e) => {
error!("non-api error during request: {:#?}", e);
(Status::InternalServerError, 999, "internal error")
},
Error::UnexpectedStatus(s) => (s, 999, ""),
};
let body = json!({
"code": code.code,
"errno": errno,
"error": code.reason_lossy(),
"message": msg
});
Response::build_from(Json(body).respond_to(request)?).status(code).ok()
}
}
impl From<sqlx::Error> for Error {
fn from(e: sqlx::Error) -> Self {
Error::Other(anyhow!(e))
}
}
impl From<anyhow::Error> for Error {
fn from(e: anyhow::Error) -> Self {
Error::Other(e)
}
}
pub(crate) type Result<T> = std::result::Result<Json<T>, Error>;
// hack marker type to convey that auth failed due to an unverified session.
// without this the catcher could convert the Unauthorized error we get from
// auth failures into just one thing, even though we have multiple causes.
#[derive(Clone, Copy, Debug)]
struct UsedUnverifiedSession;
#[catch(default)]
pub(crate) fn catch_all(status: Status, req: &Request<'_>) -> Error {
match req.local_cache(|| None) {
Some(UsedUnverifiedSession) => Error::UnverifiedSession,
_ => {
match status.code {
401 => Error::InvalidSignature,
// these three are caused by Json<T> errors
400 => Error::InvalidBody,
413 => Error::RequestTooLarge,
422 => Error::InvalidParameter,
// generic unauthorized instead of 404 for eg wrong method or nonexistant endpoints
404 => Error::InvalidSignature,
_ => {
error!("caught unexpected error {status}");
Error::UnexpectedStatus(status)
},
}
},
}
}
#[derive(Debug)]
pub(crate) struct WithFxaLogin;
#[async_trait]
impl crate::auth::AuthSource for WithFxaLogin {
type ID = SessionID;
type Context = UserSession;
async fn hawk(
r: &Request<'_>,
id: &SessionID,
) -> anyhow::Result<(SecretBytes<32>, Self::Context)> {
let db = Authenticated::<(), Self>::get_conn(r).await?;
let k = db.use_session(id).await?;
Ok((SecretBytes(k.req_hmac_key.0), k))
}
async fn bearer_token(
_: &Request<'_>,
_: &OauthToken,
) -> anyhow::Result<(SessionID, Self::Context)> {
bail!("refresh tokens not allowed here");
}
}
#[derive(Debug)]
pub(crate) struct WithVerifiedFxaLogin;
#[async_trait]
impl crate::auth::AuthSource for WithVerifiedFxaLogin {
type ID = SessionID;
type Context = UserSession;
async fn hawk(
r: &Request<'_>,
id: &SessionID,
) -> anyhow::Result<(SecretBytes<32>, Self::Context)> {
let res = WithFxaLogin::hawk(r, id).await?;
match res.1.verified {
true => Ok(res),
false => {
r.local_cache(|| Some(UsedUnverifiedSession));
bail!("session not verified");
},
}
}
async fn bearer_token(
_: &Request<'_>,
_: &OauthToken,
) -> anyhow::Result<(SessionID, Self::Context)> {
bail!("refresh tokens not allowed here");
}
}
#[derive(Debug)]
pub(crate) struct WithSession;
#[rocket::async_trait]
impl crate::auth::AuthSource for WithSession {
type ID = SessionID;
type Context = UserSession;
async fn hawk(
r: &Request<'_>,
id: &SessionID,
) -> anyhow::Result<(SecretBytes<32>, Self::Context)> {
WithFxaLogin::hawk(r, id).await
}
async fn bearer_token(
r: &Request<'_>,
token: &OauthToken,
) -> anyhow::Result<(SessionID, Self::Context)> {
let db = Authenticated::<(), Self>::get_conn(r).await?;
Ok(db.use_session_from_refresh(&token.hash()).await?)
}
}
#[derive(Debug)]
pub(crate) struct WithVerifiedSession;
#[rocket::async_trait]
impl crate::auth::AuthSource for WithVerifiedSession {
type ID = SessionID;
type Context = UserSession;
async fn hawk(
r: &Request<'_>,
id: &SessionID,
) -> anyhow::Result<(SecretBytes<32>, Self::Context)> {
WithVerifiedFxaLogin::hawk(r, id).await
}
async fn bearer_token(
r: &Request<'_>,
token: &OauthToken,
) -> anyhow::Result<(SessionID, Self::Context)> {
let db = Authenticated::<(), Self>::get_conn(r).await?;
let res = db.use_session_from_refresh(&token.hash()).await?;
match res.1.verified {
true => Ok(res),
false => {
// technically unreachable because generating a refresh token requires a
// valid fxa session
r.local_cache(|| Some(UsedUnverifiedSession));
bail!("session not verified");
},
}
}
}
|
