135 lines
3.4 KiB
Go
135 lines
3.4 KiB
Go
// Copyright 2019 Drone IO, 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 web
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import (
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"context"
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"net/http"
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"net/http/httputil"
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"os"
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"strconv"
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"time"
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"github.com/sirupsen/logrus"
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"github.com/drone/drone/core"
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"github.com/drone/drone/logger"
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"github.com/drone/go-scm/scm"
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)
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// this is intended for local testing and instructs the handler
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// to print the contents of the hook to stdout.
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var debugPrintHook = false
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func init() {
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debugPrintHook, _ = strconv.ParseBool(
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os.Getenv("DRONE_DEBUG_DUMP_HOOK"),
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)
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}
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// HandleHook returns an http.HandlerFunc that handles webhooks
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// triggered by source code management.
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func HandleHook(
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repos core.RepositoryStore,
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builds core.BuildStore,
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triggerer core.Triggerer,
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parser core.HookParser,
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) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if debugPrintHook {
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// if DRONE_DEBUG_DUMP_HOOK=true print the http.Request
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// headers and body to stdout.
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out, _ := httputil.DumpRequest(r, true)
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os.Stderr.Write(out)
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}
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hook, remote, err := parser.Parse(r, func(slug string) string {
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namespace, name := scm.Split(slug)
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repo, err := repos.FindName(r.Context(), namespace, name)
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if err != nil {
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logrus.WithFields(
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logrus.Fields{
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"namespace": namespace,
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"name": name,
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}).Debugln("cannot find repository")
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return ""
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}
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return repo.Signer
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})
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if err != nil {
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logrus.Debugf("cannot parse webhook: %s", err)
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writeBadRequest(w, err)
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return
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}
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if hook == nil {
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logrus.Debugf("webhook ignored")
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return
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}
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// TODO handle ping requests
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// TODO consider using scm.Repository in the function callback.
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log := logrus.WithFields(logrus.Fields{
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"namespace": remote.Namespace,
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"name": remote.Name,
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"event": hook.Event,
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"commit": hook.After,
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})
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log.Debugln("webhook parsed")
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repo, err := repos.FindName(r.Context(), remote.Namespace, remote.Name)
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if err != nil {
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log = log.WithError(err)
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log.Debugln("cannot find repository")
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writeNotFound(w, err)
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return
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}
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if !repo.Active {
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log.Debugln("ignore webhook, repository inactive")
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w.WriteHeader(200)
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return
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute*5)
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ctx = logger.WithContext(ctx, log)
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defer cancel()
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if hook.Event == core.EventPush && hook.Action == core.ActionDelete {
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log.WithField("branch", hook.Target).Debugln("branch deleted")
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builds.DeleteBranch(ctx, repo.ID, hook.Target)
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w.WriteHeader(http.StatusNoContent)
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return
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}
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if hook.Event == core.EventPullRequest && hook.Action == core.ActionClose {
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log.WithField("ref", hook.Ref).Debugln("pull request closed")
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builds.DeletePull(ctx, repo.ID, scm.ExtractPullRequest(hook.Ref))
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w.WriteHeader(http.StatusNoContent)
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return
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}
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builds, err := triggerer.Trigger(ctx, repo, hook)
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if err != nil {
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writeError(w, err)
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return
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}
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writeJSON(w, builds, 200)
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}
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}
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