mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-08-24 08:31:44 +02:00
319 lines
10 KiB
Go
319 lines
10 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package webhook
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"crypto/sha1"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"html/template"
|
|
"net/http"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
|
|
webhook_model "code.gitea.io/gitea/models/webhook"
|
|
"code.gitea.io/gitea/modules/git"
|
|
"code.gitea.io/gitea/modules/json"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
api "code.gitea.io/gitea/modules/structs"
|
|
"code.gitea.io/gitea/modules/svg"
|
|
"code.gitea.io/gitea/modules/util"
|
|
webhook_module "code.gitea.io/gitea/modules/webhook"
|
|
"code.gitea.io/gitea/services/forms"
|
|
"code.gitea.io/gitea/services/webhook/shared"
|
|
)
|
|
|
|
type matrixHandler struct{}
|
|
|
|
func (matrixHandler) Type() webhook_module.HookType { return webhook_module.MATRIX }
|
|
|
|
func (matrixHandler) Icon(size int) template.HTML {
|
|
return svg.RenderHTML("gitea-matrix", size, "img")
|
|
}
|
|
|
|
func (matrixHandler) UnmarshalForm(bind func(any)) forms.WebhookForm {
|
|
var form struct {
|
|
forms.WebhookCoreForm
|
|
HomeserverURL string `binding:"Required;ValidUrl"`
|
|
RoomID string `binding:"Required"`
|
|
MessageType int
|
|
AccessToken string `binding:"Required"`
|
|
}
|
|
bind(&form)
|
|
form.AuthorizationHeader = "Bearer " + strings.TrimSpace(form.AccessToken)
|
|
|
|
// https://spec.matrix.org/v1.10/client-server-api/#sending-events-to-a-room
|
|
return forms.WebhookForm{
|
|
WebhookCoreForm: form.WebhookCoreForm,
|
|
URL: fmt.Sprintf("%s/_matrix/client/v3/rooms/%s/send/m.room.message", form.HomeserverURL, url.PathEscape(form.RoomID)),
|
|
ContentType: webhook_model.ContentTypeJSON,
|
|
Secret: "",
|
|
HTTPMethod: http.MethodPut,
|
|
Metadata: &MatrixMeta{
|
|
HomeserverURL: form.HomeserverURL,
|
|
Room: form.RoomID,
|
|
MessageType: form.MessageType,
|
|
},
|
|
}
|
|
}
|
|
|
|
func (matrixHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
|
|
meta := &MatrixMeta{}
|
|
if err := json.Unmarshal([]byte(w.Meta), meta); err != nil {
|
|
return nil, nil, fmt.Errorf("matrixHandler.NewRequest meta json: %w", err)
|
|
}
|
|
mc := matrixConvertor{
|
|
MsgType: messageTypeText[meta.MessageType],
|
|
}
|
|
payload, err := shared.NewPayload(mc, []byte(t.PayloadContent), t.EventType)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
body, err := json.MarshalIndent(payload, "", " ")
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
txnID, err := getMatrixTxnID(body)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
req, err := http.NewRequest(http.MethodPut, w.URL+"/"+txnID, bytes.NewReader(body))
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
req.Header.Set("Content-Type", "application/json")
|
|
|
|
return req, body, nil
|
|
}
|
|
|
|
const matrixPayloadSizeLimit = 1024 * 64
|
|
|
|
// MatrixMeta contains the Matrix metadata
|
|
type MatrixMeta struct {
|
|
HomeserverURL string `json:"homeserver_url"`
|
|
Room string `json:"room_id"`
|
|
MessageType int `json:"message_type"`
|
|
}
|
|
|
|
var messageTypeText = map[int]string{
|
|
1: "m.notice",
|
|
2: "m.text",
|
|
}
|
|
|
|
// Metadata returns Matrix metadata
|
|
func (matrixHandler) Metadata(w *webhook_model.Webhook) any {
|
|
s := &MatrixMeta{}
|
|
if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
|
|
log.Error("matrixHandler.Metadata(%d): %v", w.ID, err)
|
|
}
|
|
return s
|
|
}
|
|
|
|
// MatrixPayload contains payload for a Matrix room
|
|
type MatrixPayload struct {
|
|
Body string `json:"body"`
|
|
MsgType string `json:"msgtype"`
|
|
Format string `json:"format"`
|
|
FormattedBody string `json:"formatted_body"`
|
|
Commits []*api.PayloadCommit `json:"io.gitea.commits,omitempty"`
|
|
}
|
|
|
|
var _ shared.PayloadConvertor[MatrixPayload] = matrixConvertor{}
|
|
|
|
type matrixConvertor struct {
|
|
MsgType string
|
|
}
|
|
|
|
func (m matrixConvertor) newPayload(text string, commits ...*api.PayloadCommit) (MatrixPayload, error) {
|
|
return MatrixPayload{
|
|
Body: getMessageBody(text),
|
|
MsgType: m.MsgType,
|
|
Format: "org.matrix.custom.html",
|
|
FormattedBody: text,
|
|
Commits: commits,
|
|
}, nil
|
|
}
|
|
|
|
// Create implements payloadConvertor Create method
|
|
func (m matrixConvertor) Create(p *api.CreatePayload) (MatrixPayload, error) {
|
|
repoLink := htmlLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
|
|
refLink := MatrixLinkToRef(p.Repo.HTMLURL, p.Ref)
|
|
text := fmt.Sprintf("[%s:%s] %s created by %s", repoLink, refLink, p.RefType, p.Sender.UserName)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Delete composes Matrix payload for delete a branch or tag.
|
|
func (m matrixConvertor) Delete(p *api.DeletePayload) (MatrixPayload, error) {
|
|
refName := git.RefName(p.Ref).ShortName()
|
|
repoLink := htmlLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
|
|
text := fmt.Sprintf("[%s:%s] %s deleted by %s", repoLink, refName, p.RefType, p.Sender.UserName)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Fork composes Matrix payload for forked by a repository.
|
|
func (m matrixConvertor) Fork(p *api.ForkPayload) (MatrixPayload, error) {
|
|
baseLink := htmlLinkFormatter(p.Forkee.HTMLURL, p.Forkee.FullName)
|
|
forkLink := htmlLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
|
|
text := fmt.Sprintf("%s is forked to %s", baseLink, forkLink)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Issue implements payloadConvertor Issue method
|
|
func (m matrixConvertor) Issue(p *api.IssuePayload) (MatrixPayload, error) {
|
|
text, _, _, _ := getIssuesPayloadInfo(p, htmlLinkFormatter, true)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// IssueComment implements payloadConvertor IssueComment method
|
|
func (m matrixConvertor) IssueComment(p *api.IssueCommentPayload) (MatrixPayload, error) {
|
|
text, _, _ := getIssueCommentPayloadInfo(p, htmlLinkFormatter, true)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Wiki implements payloadConvertor Wiki method
|
|
func (m matrixConvertor) Wiki(p *api.WikiPayload) (MatrixPayload, error) {
|
|
text, _, _ := getWikiPayloadInfo(p, htmlLinkFormatter, true)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Release implements payloadConvertor Release method
|
|
func (m matrixConvertor) Release(p *api.ReleasePayload) (MatrixPayload, error) {
|
|
text, _ := getReleasePayloadInfo(p, htmlLinkFormatter, true)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Push implements payloadConvertor Push method
|
|
func (m matrixConvertor) Push(p *api.PushPayload) (MatrixPayload, error) {
|
|
var commitDesc string
|
|
|
|
if p.TotalCommits == 1 {
|
|
commitDesc = "1 commit"
|
|
} else {
|
|
commitDesc = fmt.Sprintf("%d commits", p.TotalCommits)
|
|
}
|
|
|
|
repoLink := htmlLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
|
|
branchLink := MatrixLinkToRef(p.Repo.HTMLURL, p.Ref)
|
|
text := fmt.Sprintf("[%s] %s pushed %s to %s:<br>", repoLink, p.Pusher.UserName, commitDesc, branchLink)
|
|
|
|
// for each commit, generate a new line text
|
|
for i, commit := range p.Commits {
|
|
text += fmt.Sprintf("%s: %s - %s", htmlLinkFormatter(commit.URL, commit.ID[:7]), commit.Message, commit.Author.Name)
|
|
// add linebreak to each commit but the last
|
|
if i < len(p.Commits)-1 {
|
|
text += "<br>"
|
|
}
|
|
|
|
}
|
|
|
|
return m.newPayload(text, p.Commits...)
|
|
}
|
|
|
|
// PullRequest implements payloadConvertor PullRequest method
|
|
func (m matrixConvertor) PullRequest(p *api.PullRequestPayload) (MatrixPayload, error) {
|
|
text, _, _, _ := getPullRequestPayloadInfo(p, htmlLinkFormatter, true)
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Review implements payloadConvertor Review method
|
|
func (m matrixConvertor) Review(p *api.PullRequestPayload, event webhook_module.HookEventType) (MatrixPayload, error) {
|
|
senderLink := htmlLinkFormatter(setting.AppURL+url.PathEscape(p.Sender.UserName), p.Sender.UserName)
|
|
title := fmt.Sprintf("#%d %s", p.Index, p.PullRequest.Title)
|
|
titleLink := htmlLinkFormatter(p.PullRequest.HTMLURL, title)
|
|
repoLink := htmlLinkFormatter(p.Repository.HTMLURL, p.Repository.FullName)
|
|
var text string
|
|
|
|
switch p.Action {
|
|
case api.HookIssueReviewed:
|
|
action, err := parseHookPullRequestEventType(event)
|
|
if err != nil {
|
|
return MatrixPayload{}, err
|
|
}
|
|
|
|
text = fmt.Sprintf("[%s] Pull request review %s: %s by %s", repoLink, action, titleLink, senderLink)
|
|
}
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
// Repository implements payloadConvertor Repository method
|
|
func (m matrixConvertor) Repository(p *api.RepositoryPayload) (MatrixPayload, error) {
|
|
senderLink := htmlLinkFormatter(setting.AppURL+p.Sender.UserName, p.Sender.UserName)
|
|
repoLink := htmlLinkFormatter(p.Repository.HTMLURL, p.Repository.FullName)
|
|
var text string
|
|
|
|
switch p.Action {
|
|
case api.HookRepoCreated:
|
|
text = fmt.Sprintf("[%s] Repository created by %s", repoLink, senderLink)
|
|
case api.HookRepoDeleted:
|
|
text = fmt.Sprintf("[%s] Repository deleted by %s", repoLink, senderLink)
|
|
}
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
func (m matrixConvertor) Package(p *api.PackagePayload) (MatrixPayload, error) {
|
|
senderLink := htmlLinkFormatter(setting.AppURL+p.Sender.UserName, p.Sender.UserName)
|
|
packageLink := htmlLinkFormatter(p.Package.HTMLURL, p.Package.Name)
|
|
var text string
|
|
|
|
switch p.Action {
|
|
case api.HookPackageCreated:
|
|
text = fmt.Sprintf("[%s] Package published by %s", packageLink, senderLink)
|
|
case api.HookPackageDeleted:
|
|
text = fmt.Sprintf("[%s] Package deleted by %s", packageLink, senderLink)
|
|
}
|
|
|
|
return m.newPayload(text)
|
|
}
|
|
|
|
var urlRegex = regexp.MustCompile(`<a [^>]*?href="([^">]*?)">(.*?)</a>`)
|
|
|
|
func getMessageBody(htmlText string) string {
|
|
htmlText = urlRegex.ReplaceAllString(htmlText, "[$2]($1)")
|
|
htmlText = strings.ReplaceAll(htmlText, "<br>", "\n")
|
|
return htmlText
|
|
}
|
|
|
|
// getMatrixTxnID computes the transaction ID to ensure idempotency
|
|
func getMatrixTxnID(payload []byte) (string, error) {
|
|
if len(payload) >= matrixPayloadSizeLimit {
|
|
return "", fmt.Errorf("getMatrixTxnID: payload size %d > %d", len(payload), matrixPayloadSizeLimit)
|
|
}
|
|
|
|
h := sha1.New()
|
|
_, err := h.Write(payload)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return hex.EncodeToString(h.Sum(nil)), nil
|
|
}
|
|
|
|
// MatrixLinkToRef Matrix-formatter link to a repo ref
|
|
func MatrixLinkToRef(repoURL, ref string) string {
|
|
refName := git.RefName(ref).ShortName()
|
|
switch {
|
|
case strings.HasPrefix(ref, git.BranchPrefix):
|
|
return htmlLinkFormatter(repoURL+"/src/branch/"+util.PathEscapeSegments(refName), refName)
|
|
case strings.HasPrefix(ref, git.TagPrefix):
|
|
return htmlLinkFormatter(repoURL+"/src/tag/"+util.PathEscapeSegments(refName), refName)
|
|
default:
|
|
return htmlLinkFormatter(repoURL+"/src/commit/"+util.PathEscapeSegments(refName), refName)
|
|
}
|
|
}
|