mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-04 23:19:03 +01:00
e245a26f6b
Basically enables us to use `test.WithAllDatabases` when testing internal HTTP APIs, as this would otherwise result in Prometheus complaining about already registered metric names.
93 lines
3 KiB
Go
93 lines
3 KiB
Go
// 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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"fmt"
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"net/http"
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"reflect"
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"github.com/matrix-org/util"
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"github.com/opentracing/opentracing-go"
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)
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type InternalAPIError struct {
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Type string
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Message string
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}
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func (e InternalAPIError) Error() string {
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return fmt.Sprintf("internal API returned %q error: %s", e.Type, e.Message)
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}
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func MakeInternalRPCAPI[reqtype, restype any](metricsName string, enableMetrics bool, f func(context.Context, *reqtype, *restype) error) http.Handler {
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return MakeInternalAPI(metricsName, enableMetrics, func(req *http.Request) util.JSONResponse {
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var request reqtype
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var response restype
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if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
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return util.MessageResponse(http.StatusBadRequest, err.Error())
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}
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if err := f(req.Context(), &request, &response); err != nil {
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: &InternalAPIError{
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Type: reflect.TypeOf(err).String(),
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Message: fmt.Sprintf("%s", err),
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},
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}
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: &response,
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}
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})
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}
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func MakeInternalProxyAPI[reqtype, restype any](metricsName string, enableMetrics bool, f func(context.Context, *reqtype) (*restype, error)) http.Handler {
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return MakeInternalAPI(metricsName, enableMetrics, func(req *http.Request) util.JSONResponse {
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var request reqtype
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if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
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return util.MessageResponse(http.StatusBadRequest, err.Error())
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}
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response, err := f(req.Context(), &request)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: err,
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}
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: response,
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}
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})
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}
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func CallInternalRPCAPI[reqtype, restype any](name, url string, client *http.Client, ctx context.Context, request *reqtype, response *restype) error {
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span, ctx := opentracing.StartSpanFromContext(ctx, name)
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defer span.Finish()
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return PostJSON[reqtype, restype, InternalAPIError](ctx, span, client, url, request, response)
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}
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func CallInternalProxyAPI[reqtype, restype any, errtype error](name, url string, client *http.Client, ctx context.Context, request *reqtype) (restype, error) {
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span, ctx := opentracing.StartSpanFromContext(ctx, name)
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defer span.Finish()
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var response restype
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return response, PostJSON[reqtype, restype, errtype](ctx, span, client, url, request, &response)
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}
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