Add environments for Github Enterprise OAuth App (#404)

backend/.env.development

@@ -13,6 +13,18 @@ GITHUB_CLIENT_SECRET=your_github_client_secret_here
 # Format: https://<backend_url>/auth/login/github
 # Example: http://localhost:3000/auth/login/github (For development mode)
 GITHUB_CALLBACK_URL=http://localhost:3000/auth/login/github
+# GITHUB_AUTHORIZATION_URL: Authorization URL for Github OAuth app. 
+# Default OAuth app is Github. Change this url for using Github Enterprise OAuth App.
+# Format: https://ENTERPRISE_INSTANCE_URL/login/oauth/authorize
+GITHUB_AUTHORIZATION_URL=https://github.com/login/oauth/authorize
+# GITHUB_TOKEN_URL: Token URL for Github OAuth app. 
+# Default OAuth app is Github. Change this url for using Github Enterprise OAuth App.
+# https://ENTERPRISE_INSTANCE_URL/login/oauth/access_token
+GITHUB_TOKEN_URL=https://github.com/login/oauth/access_token
+# GITHUB_USER_PROFILE_URL: User profile URL for Github OAuth app. 
+# Default OAuth app is Github. Change this url for using Github Enterprise OAuth App.
+# https://ENTERPRISE_INSTANCE_URL/api/v3/user
+GITHUB_USER_PROFILE_URL=https://api.github.com/user
 
 # JWT_ACCESS_TOKEN_SECRET: Secret key for signing and verifying access tokens.
 # JWT_ACCESS_TOKEN_EXPIRATION_TIME: Expiration time for access tokens in seconds.

backend/src/auth/github.strategy.ts

@@ -11,6 +11,9 @@ export class GithubStrategy extends PassportStrategy(Strategy, "github") {
 			clientID: configService.get<string>("GITHUB_CLIENT_ID"),
 			clientSecret: configService.get<string>("GITHUB_CLIENT_SECRET"),
 			callbackURL: configService.get<string>("GITHUB_CALLBACK_URL"),
+			authorizationURL: configService.get<string>("GITHUB_AUTHORIZATION_URL"),
+			tokenURL: configService.get<string>("GITHUB_TOKEN_URL"),
+			userProfileURL: configService.get<string>("GITHUB_USER_PROFILE_URL"),
 			scope: ["public_profile"],
 		});
 	}