mirror of https://github.com/harness/drone.git
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
// Copyright 2023 Harness, Inc.
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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 repo
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import (
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"compress/gzip"
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"errors"
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"fmt"
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"net/http"
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apiauth "github.com/harness/gitness/app/api/auth"
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"github.com/harness/gitness/app/api/controller/repo"
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"github.com/harness/gitness/app/api/render"
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"github.com/harness/gitness/app/api/request"
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"github.com/harness/gitness/app/auth"
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"github.com/harness/gitness/app/url"
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"github.com/harness/gitness/git/api"
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"github.com/harness/gitness/types/enum"
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"github.com/rs/zerolog/log"
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)
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// HandleGitServicePack handles the service pack part of git's smart http protocol (receive-/upload-pack).
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func HandleGitServicePack(
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service enum.GitServiceType,
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repoCtrl *repo.Controller,
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urlProvider url.Provider,
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) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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session, _ := request.AuthSessionFrom(ctx)
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repoRef, err := request.GetRepoRefFromPath(r)
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if err != nil {
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pktError(ctx, w, err)
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return
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}
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contentEncoding := request.GetContentEncodingFromHeadersOrDefault(r, "")
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gitProtocol := request.GetGitProtocolFromHeadersOrDefault(r, "")
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// Handle GZIP.
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dataReader := r.Body
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if contentEncoding == "gzip" {
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gzipReader, err := gzip.NewReader(dataReader)
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if err != nil {
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pktError(ctx, w, fmt.Errorf("failed to create new gzip reader: %w", err))
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return
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}
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defer func() {
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if cErr := gzipReader.Close(); cErr != nil {
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log.Ctx(ctx).Warn().Err(cErr).Msg("failed to close the gzip reader")
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}
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}()
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dataReader = gzipReader
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}
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// Clients MUST NOT reuse or revalidate a cached response.
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// Servers MUST include sufficient Cache-Control headers to prevent caching of the response.
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// https://git-scm.com/docs/http-protocol
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render.NoCache(w)
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w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-result", service))
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err = repoCtrl.GitServicePack(ctx, session, repoRef, api.ServicePackOptions{
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Service: service,
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StatelessRPC: true,
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Stdout: w,
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Stdin: dataReader,
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Protocol: gitProtocol,
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})
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if errors.Is(err, apiauth.ErrNotAuthorized) && auth.IsAnonymousSession(session) {
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render.GitBasicAuth(ctx, w, urlProvider)
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return
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}
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if err != nil {
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pktError(ctx, w, err)
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return
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}
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}
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}
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