// Copyright 2019 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package webhook import (	"context"	"fmt"	"html/template"	"net/http"	"net/url"	"strings" 	webhook_model "forgejo.org/models/webhook"	"forgejo.org/modules/git"	"forgejo.org/modules/json"	"forgejo.org/modules/log"	"forgejo.org/modules/markup"	api "forgejo.org/modules/structs"	webhook_module "forgejo.org/modules/webhook"	"forgejo.org/services/forms"	"forgejo.org/services/webhook/shared") type telegramHandler struct{} func (telegramHandler) Type() webhook_module.HookType { return webhook_module.TELEGRAM }func (telegramHandler) Icon(size int) template.HTML   { return shared.ImgIcon("telegram.png", size) } func (telegramHandler) UnmarshalForm(bind func(any)) forms.WebhookForm {	var form struct {		forms.WebhookCoreForm		BotToken string `binding:"Required"`		ChatID   string `binding:"Required"`		ThreadID string	}	bind(&form) 	return forms.WebhookForm{		WebhookCoreForm: form.WebhookCoreForm,		URL:             fmt.Sprintf("https://api.telegram.org/bot%s/sendMessage?chat_id=%s&message_thread_id=%s", url.PathEscape(form.BotToken), url.QueryEscape(form.ChatID), url.QueryEscape(form.ThreadID)),		ContentType:     webhook_model.ContentTypeJSON,		Secret:          "",		HTTPMethod:      http.MethodPost,		Metadata: &TelegramMeta{			BotToken: form.BotToken,			ChatID:   form.ChatID,			ThreadID: form.ThreadID,		},	}} type (	// TelegramPayload represents	TelegramPayload struct {		Message           string `json:"text"`		ParseMode         string `json:"parse_mode"`		DisableWebPreview bool   `json:"disable_web_page_preview"`	} 	// TelegramMeta contains the telegram metadata	TelegramMeta struct {		BotToken string `json:"bot_token"`		ChatID   string `json:"chat_id"`		ThreadID string `json:"thread_id"`	}) // Metadata returns telegram metadatafunc (telegramHandler) Metadata(w *webhook_model.Webhook) any {	s := &TelegramMeta{}	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {		log.Error("telegramHandler.Metadata(%d): %v", w.ID, err)	}	return s} // Create implements PayloadConvertor Create methodfunc (t telegramConvertor) Create(p *api.CreatePayload) (TelegramPayload, error) {	// created tag/branch	refName := git.RefName(p.Ref).ShortName()	title := fmt.Sprintf(`[%s] %s <a href="%s">%s</a> created`, p.Repo.FullName, p.RefType,		p.Repo.HTMLURL+"/src/"+refName, refName) 	return createTelegramPayload(title), nil} // Delete implements PayloadConvertor Delete methodfunc (t telegramConvertor) Delete(p *api.DeletePayload) (TelegramPayload, error) {	// created tag/branch	refName := git.RefName(p.Ref).ShortName()	title := fmt.Sprintf(`[%s] %s <a href="%s">%s</a> deleted`, p.Repo.FullName, p.RefType,		p.Repo.HTMLURL+"/src/"+refName, refName) 	return createTelegramPayload(title), nil} // Fork implements PayloadConvertor Fork methodfunc (t telegramConvertor) Fork(p *api.ForkPayload) (TelegramPayload, error) {	title := fmt.Sprintf(`%s is forked to <a href="%s">%s</a>`, p.Forkee.FullName, p.Repo.HTMLURL, p.Repo.FullName) 	return createTelegramPayload(title), nil} // Push implements PayloadConvertor Push methodfunc (t telegramConvertor) Push(p *api.PushPayload) (TelegramPayload, error) {	var (		branchName = git.RefName(p.Ref).ShortName()		commitDesc string	)	if p.TotalCommits == 1 {		commitDesc = "1 new commit"	} else {		commitDesc = fmt.Sprintf("%d new commits", p.TotalCommits)	} 	title := fmt.Sprintf(`[%s:%s] %s`, p.Repo.FullName, branchName, commitDesc) 	var text string	// for each commit, generate attachment text	for i, commit := range p.Commits {		var authorName string		if commit.Author != nil {			authorName = " - " + commit.Author.Name		}		text += fmt.Sprintf(`[<a href="%s">%s</a>] %s`, commit.URL, commit.ID[:7],			strings.TrimRight(commit.Message, "\r\n")) + authorName		// add linebreak to each commit but the last		if i < len(p.Commits)-1 {			text += "\n"		}	} 	return createTelegramPayload(title + "\n" + text), nil} // Issue implements PayloadConvertor Issue methodfunc (t telegramConvertor) Issue(p *api.IssuePayload) (TelegramPayload, error) {	text, _, attachmentText, _ := getIssuesPayloadInfo(p, htmlLinkFormatter, true) 	return createTelegramPayload(text + "\n\n" + attachmentText), nil} // IssueComment implements PayloadConvertor IssueComment methodfunc (t telegramConvertor) IssueComment(p *api.IssueCommentPayload) (TelegramPayload, error) {	text, _, _ := getIssueCommentPayloadInfo(p, htmlLinkFormatter, true) 	return createTelegramPayload(text + "\n" + p.Comment.Body), nil} // PullRequest implements PayloadConvertor PullRequest methodfunc (t telegramConvertor) PullRequest(p *api.PullRequestPayload) (TelegramPayload, error) {	text, _, attachmentText, _ := getPullRequestPayloadInfo(p, htmlLinkFormatter, true) 	return createTelegramPayload(text + "\n" + attachmentText), nil} // Review implements PayloadConvertor Review methodfunc (t telegramConvertor) Review(p *api.PullRequestPayload, event webhook_module.HookEventType) (TelegramPayload, error) {	var text, attachmentText string	if p.Action == api.HookIssueReviewed {		action, err := parseHookPullRequestEventType(event)		if err != nil {			return TelegramPayload{}, err		} 		text = fmt.Sprintf("[%s] Pull request review %s: #%d %s", p.Repository.FullName, action, p.Index, p.PullRequest.Title)		attachmentText = p.Review.Content	} 	return createTelegramPayload(text + "\n" + attachmentText), nil} // Repository implements PayloadConvertor Repository methodfunc (t telegramConvertor) Repository(p *api.RepositoryPayload) (TelegramPayload, error) {	var title string	switch p.Action {	case api.HookRepoCreated:		title = fmt.Sprintf(`[<a href="%s">%s</a>] Repository created`, p.Repository.HTMLURL, p.Repository.FullName)		return createTelegramPayload(title), nil	case api.HookRepoDeleted:		title = fmt.Sprintf("[%s] Repository deleted", p.Repository.FullName)		return createTelegramPayload(title), nil	}	return TelegramPayload{}, nil} // Wiki implements PayloadConvertor Wiki methodfunc (t telegramConvertor) Wiki(p *api.WikiPayload) (TelegramPayload, error) {	text, _, _ := getWikiPayloadInfo(p, htmlLinkFormatter, true) 	return createTelegramPayload(text), nil} // Release implements PayloadConvertor Release methodfunc (t telegramConvertor) Release(p *api.ReleasePayload) (TelegramPayload, error) {	text, _ := getReleasePayloadInfo(p, htmlLinkFormatter, true) 	return createTelegramPayload(text), nil} func (t telegramConvertor) Package(p *api.PackagePayload) (TelegramPayload, error) {	text, _ := getPackagePayloadInfo(p, htmlLinkFormatter, true) 	return createTelegramPayload(text), nil} func createTelegramPayload(message string) TelegramPayload {	return TelegramPayload{		Message:           markup.Sanitize(strings.TrimSpace(message)),		ParseMode:         "HTML",		DisableWebPreview: true,	}} type telegramConvertor struct{} var _ shared.PayloadConvertor[TelegramPayload] = telegramConvertor{} func (telegramHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {	return shared.NewJSONRequest(telegramConvertor{}, w, t, true)}