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