From 3d975b287bb772492e8f05c97b047968e1505563 Mon Sep 17 00:00:00 2001
From: biswassri <srijoni.biswas1994@gmail.com>
Date: Sun, 13 Nov 2022 22:58:14 -0500
Subject: [PATCH] Add Twitch OIDC Provider

---
 .../io/quarkus/oidc/OidcTenantConfig.java     |  3 ++-
 .../runtime/providers/KnownOidcProviders.java | 20 +++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/OidcTenantConfig.java b/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/OidcTenantConfig.java
index 64aedc8b5bcf3..66a7139ff86a1 100644
--- a/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/OidcTenantConfig.java
+++ b/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/OidcTenantConfig.java
@@ -1605,7 +1605,8 @@ public static enum Provider {
         GOOGLE,
         MICROSOFT,
         SPOTIFY,
-        TWITTER
+        TWITTER,
+        TWITCH
     }
 
     public Optional<Provider> getProvider() {
diff --git a/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/runtime/providers/KnownOidcProviders.java b/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/runtime/providers/KnownOidcProviders.java
index 97578c1078376..8424316099c4a 100644
--- a/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/runtime/providers/KnownOidcProviders.java
+++ b/extensions/oidc/runtime/src/main/java/io/quarkus/oidc/runtime/providers/KnownOidcProviders.java
@@ -24,6 +24,8 @@ public static OidcTenantConfig provider(OidcTenantConfig.Provider provider) {
             return spotify();
         } else if (OidcTenantConfig.Provider.TWITTER == provider) {
             return twitter();
+        } else if (OidcTenantConfig.Provider.TWITCH == provider) {
+            return twitch();
         }
         return null;
     }
@@ -126,4 +128,22 @@ private static OidcTenantConfig spotify() {
 
         return ret;
     }
+
+    private static OidcTenantConfig twitch() {
+        // Ref https://dev.twitch.tv/docs/authentication/getting-tokens-oidc/#oidc-authorization-code-grant-flow
+
+        OidcTenantConfig ret = new OidcTenantConfig();
+        ret.setDiscoveryEnabled(true);
+        ret.setAuthServerUrl("https://id.twitch.tv/oauth2/");
+        ret.setAuthorizationPath("authorize");
+        ret.setTokenPath("token");
+        ret.setUserInfoPath("https://id.twitch.tv/oauth2/userinfo");
+        ret.setApplicationType(OidcTenantConfig.ApplicationType.WEB_APP);
+        ret.getAuthentication().setScopes(List.of("openid"));
+        ret.setAuthServerUrl("https://id.twitch.tv/oauth2/");
+        ret.setAuthorizationPath("authorize");
+        ret.getAuthentication().setIdTokenRequired(true);
+
+        return ret;
+    }
 }