Implement API

api/views.py

@@ -1,4 +1,34 @@
+import functools
+from json import dumps
+
 from klein import Klein
+from twisted.web.server import Request
+
+import main
+from modules import userinfo
+
+
+def login_required(func):
+    @functools.wraps(func)
+    def wrapper(self, *args, **kwargs):
+        if isinstance(args[0], Request):
+            request = args[0]
+            apikey = request.getHeader("ApiKey")
+            token = request.getHeader("Token")
+            if not apikey:
+                return "No API key provided"
+            if not token:
+                return "No token provided"
+            if apikey not in main.tokens:
+                return "No such API key"
+            config_token = main.tokens[apikey]
+            if not token == config_token["hello"]:
+                return "Invalid token"
+            counter = config_token["counter"]
+            request.setHeader("Counter", counter)
+        return func(self, *args, **kwargs)
+
+    return wrapper
 
 
 class API(object):
@@ -7,6 +37,29 @@ class API(object):
     """
 
     app = Klein()
-    @app.route("/test", methods=["GET"])
+
+    @app.route("/test/", methods=["GET"])
+    @login_required
     def hello(self, request):
         return "Hello"
+
+    @app.route("/who/<query>/", methods=["GET"])
+    @login_required
+    def who(self, request, query):
+        result = userinfo.getWho(query)
+        # Expand the generator
+        return dumps({k: [x for x in v] for k, v in result.items()})
+
+    @app.route("/chans/<query>/", methods=["GET"])
+    @login_required
+    def chans(self, request, query):
+        query = query.split(",")
+        result = userinfo.getChans(query)
+        return dumps({k: [x for x in v] for k, v in result.items()})
+
+    @app.route("/users/<query>/", methods=["GET"])
+    @login_required
+    def users(self, request, query):
+        query = [f"#{x}" for x in query.split(",")]
+        result = userinfo.getUsers(query)
+        return dumps({k: [x for x in v] for k, v in result.items()})