read the oauth method configs in the webface

the oauth login link doesn't work yet, but the ui works at least

4 files changed, 60 insertions, 1 deletions

diff --git a/teleterm-web/src/config.rs b/teleterm-web/src/config.rs
index 70aa64a..3c8e03b 100644
--- a/teleterm-web/src/config.rs
+++ b/teleterm-web/src/config.rs
@@ -10,6 +10,10 @@ extern "C" {
 pub(crate) struct Config {
     pub(crate) username: Option<String>,
     pub(crate) public_address: String,
+    pub(crate) allowed_login_methods:
+        std::collections::HashSet<crate::protocol::AuthType>,
+    pub(crate) oauth_login_urls:
+        std::collections::HashMap<crate::protocol::AuthType, String>,
 }
 
 impl Config {
diff --git a/teleterm-web/src/model.rs b/teleterm-web/src/model.rs
index 05e3152..c500600 100644
--- a/teleterm-web/src/model.rs
+++ b/teleterm-web/src/model.rs
@@ -187,6 +187,20 @@ impl Model {
         }
     }
 
+    pub(crate) fn allowed_login_method(
+        &self,
+        ty: crate::protocol::AuthType,
+    ) -> bool {
+        self.config.allowed_login_methods.contains(&ty)
+    }
+
+    pub(crate) fn oauth_login_url(
+        &self,
+        ty: crate::protocol::AuthType,
+    ) -> Option<&str> {
+        self.config.oauth_login_urls.get(&ty).map(|s| s.as_str())
+    }
+
     fn login(&self, username: &str, orders: &mut impl Orders<crate::Msg>) {
         let url = format!(
             "http://{}/login?username={}",
diff --git a/teleterm-web/src/protocol.rs b/teleterm-web/src/protocol.rs
index 7b12f5e..afcfad1 100644
--- a/teleterm-web/src/protocol.rs
+++ b/teleterm-web/src/protocol.rs
@@ -1,6 +1,13 @@
 // it's possible we should just consider pulling the real protocol out into a
 // crate or something? but ideally in a way that doesn't require pulling in
 // tokio
+
+#[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, serde::Deserialize)]
+pub enum AuthType {
+    Plain,
+    RecurseCenter,
+}
+
 #[derive(Clone, Debug, serde::Deserialize)]
 pub(crate) enum Message {
     TerminalOutput { data: Vec<u8> },
diff --git a/teleterm-web/src/views/login.rs b/teleterm-web/src/views/login.rs
index a7d50c8..7f84f4d 100644
--- a/teleterm-web/src/views/login.rs
+++ b/teleterm-web/src/views/login.rs
@@ -1,6 +1,31 @@
 use crate::prelude::*;
 
-pub(crate) fn render(_: &crate::model::Model) -> Vec<Node<crate::Msg>> {
+pub(crate) fn render(model: &crate::model::Model) -> Vec<Node<crate::Msg>> {
+    let plain = model.allowed_login_method(crate::protocol::AuthType::Plain);
+    let recurse_center_url = if model
+        .allowed_login_method(crate::protocol::AuthType::RecurseCenter)
+    {
+        model.oauth_login_url(crate::protocol::AuthType::RecurseCenter)
+    } else {
+        None
+    };
+
+    let mut view = vec![];
+
+    if plain {
+        view.extend(render_plain());
+    }
+    if plain && recurse_center_url.is_some() {
+        view.push(seed::p!["or"])
+    }
+    if let Some(url) = recurse_center_url {
+        view.extend(render_recurse_center(&url));
+    }
+
+    view
+}
+
+fn render_plain() -> Vec<Node<crate::Msg>> {
     vec![seed::form![
         seed::label![seed::attrs! { At::For => "username" }, "username"],
         seed::input![seed::attrs! {
@@ -21,3 +46,12 @@ pub(crate) fn render(_: &crate::model::Model) -> Vec<Node<crate::Msg>> {
         }),
     ]]
 }
+
+fn render_recurse_center(url: &str) -> Vec<Node<crate::Msg>> {
+    vec![seed::a![
+        seed::attrs! {
+            At::Href => url,
+        },
+        "login via oauth"
+    ]]
+}