From 8ba9d4af048167dfb56e2feb8c2a1b9561fbca9f Mon Sep 17 00:00:00 2001
From: Kegsay <kegsay@gmail.com>
Date: Tue, 7 Mar 2017 16:11:08 +0000
Subject: [PATCH] Add /createRoom endpoint and unmarshal HTTP body (#27)

---
 .../dendrite/clientapi/auth/auth.go           |  1 +
 .../dendrite/clientapi/common/common.go       | 21 ++++++++++
 .../dendrite/clientapi/routing/routing.go     |  3 ++
 .../dendrite/clientapi/writers/createroom.go  | 42 +++++++++++++++++++
 4 files changed, 67 insertions(+)
 create mode 100644 src/github.com/matrix-org/dendrite/clientapi/common/common.go
 create mode 100644 src/github.com/matrix-org/dendrite/clientapi/writers/createroom.go

diff --git a/src/github.com/matrix-org/dendrite/clientapi/auth/auth.go b/src/github.com/matrix-org/dendrite/clientapi/auth/auth.go
index e3d8e6fa..1363040c 100644
--- a/src/github.com/matrix-org/dendrite/clientapi/auth/auth.go
+++ b/src/github.com/matrix-org/dendrite/clientapi/auth/auth.go
@@ -26,6 +26,7 @@ func VerifyAccessToken(req *http.Request) (userID string, resErr *util.JSONRespo
 		resErr = &res
 	}
 	// TODO: Check the token against the database
+	userID = token
 	return
 }
 
diff --git a/src/github.com/matrix-org/dendrite/clientapi/common/common.go b/src/github.com/matrix-org/dendrite/clientapi/common/common.go
new file mode 100644
index 00000000..72ccfb06
--- /dev/null
+++ b/src/github.com/matrix-org/dendrite/clientapi/common/common.go
@@ -0,0 +1,21 @@
+package common
+
+import (
+	"encoding/json"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	"github.com/matrix-org/util"
+	"net/http"
+)
+
+// UnmarshalJSONRequest into the given interface pointer. Returns an error JSON response if
+// there was a problem unmarshalling. Calling this function consumes the request body.
+func UnmarshalJSONRequest(req *http.Request, iface interface{}) *util.JSONResponse {
+	defer req.Body.Close()
+	if err := json.NewDecoder(req.Body).Decode(iface); err != nil {
+		return &util.JSONResponse{
+			Code: 400,
+			JSON: jsonerror.NotJSON("The request body was not JSON"),
+		}
+	}
+	return nil
+}
diff --git a/src/github.com/matrix-org/dendrite/clientapi/routing/routing.go b/src/github.com/matrix-org/dendrite/clientapi/routing/routing.go
index 6e830e03..22fcfbd6 100644
--- a/src/github.com/matrix-org/dendrite/clientapi/routing/routing.go
+++ b/src/github.com/matrix-org/dendrite/clientapi/routing/routing.go
@@ -17,6 +17,9 @@ const pathPrefixR0 = "/_matrix/client/r0"
 func Setup(servMux *http.ServeMux, httpClient *http.Client) {
 	apiMux := mux.NewRouter()
 	r0mux := apiMux.PathPrefix(pathPrefixR0).Subrouter()
+	r0mux.Handle("/createRoom", make("createRoom", wrap(func(req *http.Request) util.JSONResponse {
+		return writers.CreateRoom(req)
+	})))
 	r0mux.Handle("/sync", make("sync", wrap(func(req *http.Request) util.JSONResponse {
 		return readers.Sync(req)
 	})))
diff --git a/src/github.com/matrix-org/dendrite/clientapi/writers/createroom.go b/src/github.com/matrix-org/dendrite/clientapi/writers/createroom.go
new file mode 100644
index 00000000..945eae7b
--- /dev/null
+++ b/src/github.com/matrix-org/dendrite/clientapi/writers/createroom.go
@@ -0,0 +1,42 @@
+package writers
+
+import (
+	"encoding/json"
+	"net/http"
+
+	log "github.com/Sirupsen/logrus"
+	"github.com/matrix-org/dendrite/clientapi/auth"
+	"github.com/matrix-org/dendrite/clientapi/common"
+	"github.com/matrix-org/util"
+)
+
+// https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
+type createRoomRequest struct {
+	Invite          []string               `json:"invite"`
+	Name            string                 `json:"name"`
+	Visibility      string                 `json:"visibility"`
+	Topic           string                 `json:"topic"`
+	Preset          string                 `json:"preset"`
+	CreationContent map[string]interface{} `json:"creation_content"`
+	InitialState    json.RawMessage        `json:"initial_state"` // TODO
+	RoomAliasName   string                 `json:"room_alias_name"`
+}
+
+// CreateRoom implements /createRoom
+func CreateRoom(req *http.Request) util.JSONResponse {
+	logger := util.GetLogger(req.Context())
+	userID, resErr := auth.VerifyAccessToken(req)
+	if resErr != nil {
+		return *resErr
+	}
+	var r createRoomRequest
+	resErr = common.UnmarshalJSONRequest(req, &r)
+	if resErr != nil {
+		return *resErr
+	}
+
+	logger.WithFields(log.Fields{
+		"userID": userID,
+	}).Info("Creating room")
+	return util.MessageResponse(404, "Not implemented yet")
+}