simplify oauth url handling

2 files changed, 22 insertions, 15 deletions

diff --git a/teleterm/src/cmd/web.rs b/teleterm/src/cmd/web.rs
index 637d1ff..889179b 100644
--- a/teleterm/src/cmd/web.rs
+++ b/teleterm/src/cmd/web.rs
@@ -35,7 +35,14 @@ impl crate::config::Config for Config {
             self.web.public_address.clone(),
             self.web.server_address.clone(),
             self.web.allowed_login_methods.clone(),
-            self.oauth_configs.clone(),
+            self.oauth_configs
+                .iter()
+                .filter_map(|(ty, configs)| {
+                    configs
+                        .get(&crate::protocol::AuthClient::Web)
+                        .map(|config| (*ty, config.clone()))
+                })
+                .collect(),
         ))
     }
 }
diff --git a/teleterm/src/web.rs b/teleterm/src/web.rs
index 690d8a3..cfd33c5 100644
--- a/teleterm/src/web.rs
+++ b/teleterm/src/web.rs
@@ -19,13 +19,21 @@ struct Config {
         std::collections::HashSet<crate::protocol::AuthType>,
     oauth_configs: std::collections::HashMap<
         crate::protocol::AuthType,
-        std::collections::HashMap<
-            crate::protocol::AuthClient,
-            crate::oauth::Config,
-        >,
+        crate::oauth::Config,
     >,
 }
 
+impl Config {
+    fn allowed_oauth_login_methods(
+        &self,
+    ) -> impl Iterator<Item = crate::protocol::AuthType> + '_ {
+        self.allowed_login_methods
+            .iter()
+            .copied()
+            .filter(|ty| ty.is_oauth())
+    }
+}
+
 #[derive(Default, serde::Deserialize, serde::Serialize)]
 struct SessionData {
     username: Option<String>,
@@ -44,15 +52,10 @@ struct WebConfig<'a> {
 impl<'a> WebConfig<'a> {
     fn new(config: &'a Config, session: &'a SessionData) -> Result<Self> {
         let mut oauth_login_urls = std::collections::HashMap::new();
-        for ty in crate::protocol::AuthType::iter().filter(|ty| {
-            ty.is_oauth() && config.allowed_login_methods.contains(ty)
-        }) {
+        for ty in config.allowed_oauth_login_methods() {
             let oauth_config = config
                 .oauth_configs
                 .get(&ty)
-                .and_then(|configs| {
-                    configs.get(&crate::protocol::AuthClient::Web)
-                })
                 .context(crate::error::AuthTypeMissingOauthConfig { ty })?;
             let client = ty.oauth_client(oauth_config, None).unwrap();
             oauth_login_urls.insert(ty, client.generate_authorize_url());
@@ -83,10 +86,7 @@ impl Server {
         >,
         oauth_configs: std::collections::HashMap<
             crate::protocol::AuthType,
-            std::collections::HashMap<
-                crate::protocol::AuthClient,
-                crate::oauth::Config,
-            >,
+            crate::oauth::Config,
         >,
     ) -> Self {
         let data = Config {