Fix login issue (#297)

* Fix parameter validation in login.

* Fix parameter validation in login.

* 💅

* 💅

* Add name to handlers and refactor.

Author: everaldorodrigo

src/handlers/api.py

@@ -48,12 +48,16 @@ class BaseHandler(BioThingsAuthnMixin, BaseAPIHandler):
 
 class AuthHandler(BaseHandler):
     def set_cache_header(self, cache_value):
-        # disabel cache for auth-related handlers
+        # disable cache for auth-related handlers
         self.set_header("Cache-Control", "private, max-age=0, no-cache")
 
 
 class UserInfoHandler(AuthHandler):
-    """ "Handler for /user_info endpoint."""
+    """ "Handler for /user endpoint."""
+    name = "user_info"
+    kwargs = {
+        "GET": {}  # Explicitly empty - no parameters expected or required
+    }
 
     def get(self):
         # Check for user cookie
@@ -73,11 +77,27 @@ def get(self):
 
 
 class LoginHandler(AuthHandler):
+    """ "Handler for /login endpoint."""
+    name = "user_login"
+    kwargs = {
+        "GET": {
+            "next": {"type": str, "required": False, "default": "/"}  # Redirect URL
+        }
+    }
+
     def get(self):
         self.redirect(self.get_argument("next", "/"))
 
 
 class LogoutHandler(AuthHandler):
+    """ "Handler for /logout endpoint."""
+    name = "user_logout"
+    kwargs = {
+        "GET": {
+            "next": {"type": str, "required": False, "default": "/"}  # Redirect URL
+        }
+    }
+
     def get(self):
         self.clear_cookie("user")
         self.redirect(self.get_argument("next", "/"))

src/handlers/oauth.py

@@ -7,7 +7,8 @@
 
 
 class GitHubLoginHandler(BaseAPIHandler, GithubOAuth2Mixin):
-    """ "Handler for GitHub oauth login"""
+    """ "Handler for GitHub oauth login: /oauth endpoint"""
+    name = "github_oauth"
 
     SCOPES = []
     GITHUB_CALLBACK_PATH = "/oauth"