dendrite/internal/httputil/internalapi.go
2022-08-08 14:56:26 +01:00

71 lines
2.5 KiB
Go

// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package httputil
import (
"context"
"encoding/json"
"net/http"
"github.com/matrix-org/util"
opentracing "github.com/opentracing/opentracing-go"
)
func MakeInternalRPCAPI[reqtype, restype any](metricsName string, f func(context.Context, *reqtype, *restype) error) http.Handler {
return MakeInternalAPI(metricsName, func(req *http.Request) util.JSONResponse {
var request reqtype
var response restype
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.MessageResponse(http.StatusBadRequest, err.Error())
}
if err := f(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
})
}
func MakeInternalProxyAPI[reqtype, restype any](metricsName string, f func(context.Context, *reqtype) (*restype, error)) http.Handler {
return MakeInternalAPI(metricsName, func(req *http.Request) util.JSONResponse {
var request reqtype
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.MessageResponse(http.StatusBadRequest, err.Error())
}
response, err := f(req.Context(), &request)
if err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: response}
})
}
func CallInternalRPCAPI[req, res any](name, url string, client *http.Client, ctx context.Context, request *req, response *res) error {
span, ctx := opentracing.StartSpanFromContext(ctx, name)
defer span.Finish()
return PostJSON[req, res, error](ctx, span, client, url, request, response)
}
func CallInternalProxyAPI[req, res any, errtype error](name, url string, client *http.Client, ctx context.Context, request *req) (res, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, name)
defer span.Finish()
var response res
if err := PostJSON[req, res, errtype](ctx, span, client, url, request, &response); err != nil {
return response, err
}
return response, nil
}