mirror of
https://github.com/hoernschen/dendrite.git
synced 2024-12-27 07:28:27 +00:00
c45d0936b5
* Generic-based internal HTTP API (tested out on a few endpoints in the federation API) * Add `PerformInvite` * More tweaks * Fix metric name * Fix LookupStateIDs * Lots of changes to clients * Some serverside stuff * Some error handling * Use paths as metric names * Revert "Use paths as metric names" This reverts commit a9323a6a343f5ce6461a2e5bd570fe06465f1b15. * Namespace metric names * Remove duplicate entry * Remove another duplicate entry * Tweak error handling * Some more tweaks * Update error behaviour * Some more error tweaking * Fix API path for `PerformDeleteKeys` * Fix another path * Tweak federation client proxying * Fix another path * Don't return typed nils * Some more tweaks, not that it makes any difference * Tweak federation client proxying * Maybe fix the key backup test
93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
// Copyright 2020 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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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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opentracing "github.com/opentracing/opentracing-go"
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"github.com/opentracing/opentracing-go/ext"
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)
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// PostJSON performs a POST request with JSON on an internal HTTP API.
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// The error will match the errtype if returned from the remote API, or
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// will be a different type if there was a problem reaching the API.
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func PostJSON[reqtype, restype any, errtype error](
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ctx context.Context, span opentracing.Span, httpClient *http.Client,
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apiURL string, request *reqtype, response *restype,
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) error {
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jsonBytes, err := json.Marshal(request)
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if err != nil {
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return err
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}
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parsedAPIURL, err := url.Parse(apiURL)
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if err != nil {
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return err
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}
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parsedAPIURL.Path = InternalPathPrefix + strings.TrimLeft(parsedAPIURL.Path, "/")
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apiURL = parsedAPIURL.String()
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req, err := http.NewRequest(http.MethodPost, apiURL, bytes.NewReader(jsonBytes))
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if err != nil {
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return err
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}
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// Mark the span as being an RPC client.
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ext.SpanKindRPCClient.Set(span)
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carrier := opentracing.HTTPHeadersCarrier(req.Header)
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tracer := opentracing.GlobalTracer()
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if err = tracer.Inject(span.Context(), opentracing.HTTPHeaders, carrier); err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/json")
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res, err := httpClient.Do(req.WithContext(ctx))
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if res != nil {
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defer (func() { err = res.Body.Close() })()
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}
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if err != nil {
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return err
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}
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var body []byte
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body, err = io.ReadAll(res.Body)
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if err != nil {
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return err
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}
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if res.StatusCode != http.StatusOK {
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if len(body) == 0 {
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return fmt.Errorf("HTTP %d from %s (no response body)", res.StatusCode, apiURL)
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}
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var reserr errtype
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if err = json.Unmarshal(body, reserr); err != nil {
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return fmt.Errorf("HTTP %d from %s", res.StatusCode, apiURL)
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}
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return reserr
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}
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if err = json.Unmarshal(body, response); err != nil {
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return fmt.Errorf("json.Unmarshal: %w", err)
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}
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return nil
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}
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