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71 changes: 40 additions & 31 deletions crates/defguard_core/src/grpc/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -381,39 +381,44 @@ async fn handle_proxy_message_loop(
}))
} else if let Ok(redirect_url) = Url::parse(&request.redirect_url) {
if let Some(provider) = OpenIdProvider::get_current(&pool).await? {
if let Ok((_client_id, client)) =
make_oidc_client(redirect_url, &provider).await
{
let mut authorize_url_builder = client
.authorize_url(
CoreAuthenticationFlow::AuthorizationCode,
|| build_state(request.state),
Nonce::new_random,
)
.add_scope(Scope::new("email".to_string()))
.add_scope(Scope::new("profile".to_string()));

if SELECT_ACCOUNT_SUPPORTED_PROVIDERS
.iter()
.all(|p| p.eq_ignore_ascii_case(&provider.name))
{
authorize_url_builder = authorize_url_builder.add_prompt(
openidconnect::core::CoreAuthPrompt::SelectAccount,
match make_oidc_client(redirect_url, &provider).await {
Ok((_client_id, client)) => {
let mut authorize_url_builder = client
.authorize_url(
CoreAuthenticationFlow::AuthorizationCode,
|| build_state(request.state),
Nonce::new_random,
)
.add_scope(Scope::new("email".to_string()))
.add_scope(Scope::new("profile".to_string()));

if SELECT_ACCOUNT_SUPPORTED_PROVIDERS
.iter()
.all(|p| p.eq_ignore_ascii_case(&provider.name))
{
authorize_url_builder = authorize_url_builder
.add_prompt(
openidconnect::core::CoreAuthPrompt::SelectAccount,
);
}
let (url, csrf_token, nonce) = authorize_url_builder.url();

Some(core_response::Payload::AuthInfo(AuthInfoResponse {
url: url.into(),
csrf_token: csrf_token.secret().to_owned(),
nonce: nonce.secret().to_owned(),
button_display_name: provider.display_name,
}))
}
Err(err) => {
error!(
"Failed to setup external OIDC provider client: {err}"
);
Some(core_response::Payload::CoreError(CoreError {
status_code: Code::Internal as i32,
message: "failed to build OIDC client".into(),
}))
}
let (url, csrf_token, nonce) = authorize_url_builder.url();

Some(core_response::Payload::AuthInfo(AuthInfoResponse {
url: url.into(),
csrf_token: csrf_token.secret().to_owned(),
nonce: nonce.secret().to_owned(),
button_display_name: provider.display_name,
}))
} else {
Some(core_response::Payload::CoreError(CoreError {
status_code: Code::Internal as i32,
message: "failed to build OIDC client".into(),
}))
}
} else {
error!("Failed to get current OpenID provider");
Expand All @@ -423,6 +428,10 @@ async fn handle_proxy_message_loop(
}))
}
} else {
error!(
"Invalid redirect URL in authentication info request: {}",
request.redirect_url
);
Some(core_response::Payload::CoreError(CoreError {
status_code: Code::Internal as i32,
message: "invalid redirect URL".into(),
Expand Down