154 lines
3.9 KiB
Go
154 lines
3.9 KiB
Go
// Copyright 2019 Sorint.lab
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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 agolagit
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"strconv"
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"strings"
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"github.com/sorintlab/agola/internal/services/types"
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"github.com/sorintlab/agola/internal/util"
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"github.com/pkg/errors"
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)
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const (
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hookEvent = "X-Gitea-Event"
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hookPush = "push"
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hookPullRequest = "pull_request"
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prStateOpen = "open"
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prActionOpen = "opened"
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prActionSync = "synchronized"
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)
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func parseWebhook(r *http.Request) (*types.WebhookData, error) {
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switch r.Header.Get(hookEvent) {
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case hookPush:
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return parsePushHook(r.Body)
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case hookPullRequest:
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return parsePullRequestHook(r.Body)
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default:
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return nil, errors.Errorf("unknown webhook event type: %q", r.Header.Get(hookEvent))
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}
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}
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func parsePush(r io.Reader) (*pushHook, error) {
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push := new(pushHook)
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err := json.NewDecoder(r).Decode(push)
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return push, err
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}
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func parsePullRequest(r io.Reader) (*pullRequestHook, error) {
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pr := new(pullRequestHook)
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err := json.NewDecoder(r).Decode(pr)
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return pr, err
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}
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func parsePushHook(payload io.Reader) (*types.WebhookData, error) {
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push, err := parsePush(payload)
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if err != nil {
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return nil, err
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}
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return webhookDataFromPush(push)
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}
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func parsePullRequestHook(payload io.Reader) (*types.WebhookData, error) {
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prhook, err := parsePullRequest(payload)
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if err != nil {
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return nil, err
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}
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// skip non open pull requests
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if prhook.PullRequest.State != prStateOpen {
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return nil, nil
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}
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// only accept actions that have new commits
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if prhook.Action != prActionOpen && prhook.Action != prActionSync {
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return nil, nil
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}
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return webhookDataFromPullRequest(prhook), nil
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}
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func webhookDataFromPush(hook *pushHook) (*types.WebhookData, error) {
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log.Printf("hook: %s", util.Dump(hook))
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sender := hook.Sender.Username
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if sender == "" {
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sender = hook.Sender.Login
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}
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// common data
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whd := &types.WebhookData{
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CommitSHA: hook.After,
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Ref: hook.Ref,
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CompareLink: hook.Compare,
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CommitLink: fmt.Sprintf("%s/commit/%s", hook.Repo.URL, hook.After),
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Sender: sender,
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Repo: types.WebhookDataRepo{
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Name: hook.Repo.Name,
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Owner: hook.Repo.Owner.Username,
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FullName: hook.Repo.FullName,
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RepoURL: hook.Repo.URL,
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},
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}
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whd.Event = types.WebhookEventPush
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whd.Branch = strings.TrimPrefix(hook.Ref, "refs/heads/")
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whd.BranchLink = fmt.Sprintf("%s/src/branch/%s", hook.Repo.URL, whd.Branch)
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if len(hook.Commits) > 0 {
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whd.Message = hook.Commits[0].Message
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}
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return whd, nil
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}
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// helper function that extracts the Build data from a Gitea pull_request hook
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func webhookDataFromPullRequest(hook *pullRequestHook) *types.WebhookData {
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log.Printf("hook: %s", util.Dump(hook))
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sender := hook.Sender.Username
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if sender == "" {
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sender = hook.Sender.Login
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}
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build := &types.WebhookData{
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Event: types.WebhookEventPullRequest,
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CommitSHA: hook.PullRequest.Head.Sha,
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Ref: fmt.Sprintf("refs/pull/%d/head", hook.Number),
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CommitLink: fmt.Sprintf("%s/commit/%s", hook.Repo.URL, hook.PullRequest.Head.Sha),
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Branch: hook.PullRequest.Base.Ref,
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Message: hook.PullRequest.Title,
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Sender: sender,
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PullRequestID: strconv.FormatInt(hook.PullRequest.ID, 10),
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PullRequestLink: hook.PullRequest.URL,
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Repo: types.WebhookDataRepo{
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Name: hook.Repo.Name,
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Owner: hook.Repo.Owner.Username,
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FullName: hook.Repo.FullName,
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RepoURL: hook.Repo.URL,
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},
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}
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return build
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}
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