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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package db
import (
"fmt"
"strings"
jsoniter "github.com/json-iterator/go"
"github.com/pkg/errors"
"github.com/gogs/git-module"
api "github.com/gogs/go-gogs-client"
"gogs.io/gogs/internal/conf"
)
type SlackMeta struct {
Channel string `json:"channel"`
Username string `json:"username"`
IconURL string `json:"icon_url"`
Color string `json:"color"`
}
type SlackAttachment struct {
Fallback string `json:"fallback"`
Color string `json:"color"`
Title string `json:"title"`
Text string `json:"text"`
}
type SlackPayload struct {
Channel string `json:"channel"`
Text string `json:"text"`
Username string `json:"username"`
IconURL string `json:"icon_url"`
UnfurlLinks int `json:"unfurl_links"`
LinkNames int `json:"link_names"`
Attachments []*SlackAttachment `json:"attachments"`
}
func (p *SlackPayload) JSONPayload() ([]byte, error) {
data, err := jsoniter.MarshalIndent(p, "", " ")
if err != nil {
return []byte{}, err
}
return data, nil
}
// see: https://api.slack.com/docs/formatting
func SlackTextFormatter(s string) string {
// replace & < >
s = strings.ReplaceAll(s, "&", "&")
s = strings.ReplaceAll(s, "<", "<")
s = strings.ReplaceAll(s, ">", ">")
return s
}
func SlackShortTextFormatter(s string) string {
s = strings.Split(s, "\n")[0]
// replace & < >
s = strings.ReplaceAll(s, "&", "&")
s = strings.ReplaceAll(s, "<", "<")
s = strings.ReplaceAll(s, ">", ">")
return s
}
func SlackLinkFormatter(url, text string) string {
return fmt.Sprintf("<%s|%s>", url, SlackTextFormatter(text))
}
// getSlackCreatePayload composes Slack payload for create new branch or tag.
func getSlackCreatePayload(p *api.CreatePayload) *SlackPayload {
refName := git.RefShortName(p.Ref)
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.Name)
refLink := SlackLinkFormatter(p.Repo.HTMLURL+"/src/"+refName, refName)
text := fmt.Sprintf("[%s:%s] %s created by %s", repoLink, refLink, p.RefType, p.Sender.UserName)
return &SlackPayload{
Text: text,
}
}
// getSlackDeletePayload composes Slack payload for delete a branch or tag.
func getSlackDeletePayload(p *api.DeletePayload) *SlackPayload {
refName := git.RefShortName(p.Ref)
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.Name)
text := fmt.Sprintf("[%s:%s] %s deleted by %s", repoLink, refName, p.RefType, p.Sender.UserName)
return &SlackPayload{
Text: text,
}
}
// getSlackForkPayload composes Slack payload for forked by a repository.
func getSlackForkPayload(p *api.ForkPayload) *SlackPayload {
baseLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.Name)
forkLink := SlackLinkFormatter(p.Forkee.HTMLURL, p.Forkee.FullName)
text := fmt.Sprintf("%s is forked to %s", baseLink, forkLink)
return &SlackPayload{
Text: text,
}
}
func getSlackPushPayload(p *api.PushPayload, slack *SlackMeta) *SlackPayload {
// n new commits
var (
branchName = git.RefShortName(p.Ref)
commitDesc string
commitString string
)
if len(p.Commits) == 1 {
commitDesc = "1 new commit"
} else {
commitDesc = fmt.Sprintf("%d new commits", len(p.Commits))
}
if len(p.CompareURL) > 0 {
commitString = SlackLinkFormatter(p.CompareURL, commitDesc)
} else {
commitString = commitDesc
}
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.Name)
branchLink := SlackLinkFormatter(p.Repo.HTMLURL+"/src/"+branchName, branchName)
text := fmt.Sprintf("[%s:%s] %s pushed by %s", repoLink, branchLink, commitString, p.Pusher.UserName)
var attachmentText string
// for each commit, generate attachment text
for i, commit := range p.Commits {
attachmentText += fmt.Sprintf("%s: %s - %s", SlackLinkFormatter(commit.URL, commit.ID[:7]), SlackShortTextFormatter(commit.Message), SlackTextFormatter(commit.Author.Name))
// add linebreak to each commit but the last
if i < len(p.Commits)-1 {
attachmentText += "\n"
}
}
return &SlackPayload{
Channel: slack.Channel,
Text: text,
Username: slack.Username,
IconURL: slack.IconURL,
Attachments: []*SlackAttachment{{
Color: slack.Color,
Text: attachmentText,
}},
}
}
func getSlackIssuesPayload(p *api.IssuesPayload, slack *SlackMeta) *SlackPayload {
senderLink := SlackLinkFormatter(conf.Server.ExternalURL+p.Sender.UserName, p.Sender.UserName)
titleLink := SlackLinkFormatter(fmt.Sprintf("%s/issues/%d", p.Repository.HTMLURL, p.Index),
fmt.Sprintf("#%d %s", p.Index, p.Issue.Title))
var text, title, attachmentText string
switch p.Action {
case api.HOOK_ISSUE_OPENED:
text = fmt.Sprintf("[%s] New issue created by %s", p.Repository.FullName, senderLink)
title = titleLink
attachmentText = SlackTextFormatter(p.Issue.Body)
case api.HOOK_ISSUE_CLOSED:
text = fmt.Sprintf("[%s] Issue closed: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_REOPENED:
text = fmt.Sprintf("[%s] Issue re-opened: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_EDITED:
text = fmt.Sprintf("[%s] Issue edited: %s by %s", p.Repository.FullName, titleLink, senderLink)
attachmentText = SlackTextFormatter(p.Issue.Body)
case api.HOOK_ISSUE_ASSIGNED:
text = fmt.Sprintf("[%s] Issue assigned to %s: %s by %s", p.Repository.FullName,
SlackLinkFormatter(conf.Server.ExternalURL+p.Issue.Assignee.UserName, p.Issue.Assignee.UserName),
titleLink, senderLink)
case api.HOOK_ISSUE_UNASSIGNED:
text = fmt.Sprintf("[%s] Issue unassigned: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_LABEL_UPDATED:
text = fmt.Sprintf("[%s] Issue labels updated: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_LABEL_CLEARED:
text = fmt.Sprintf("[%s] Issue labels cleared: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_MILESTONED:
text = fmt.Sprintf("[%s] Issue milestoned: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_DEMILESTONED:
text = fmt.Sprintf("[%s] Issue demilestoned: %s by %s", p.Repository.FullName, titleLink, senderLink)
}
return &SlackPayload{
Channel: slack.Channel,
Text: text,
Username: slack.Username,
IconURL: slack.IconURL,
Attachments: []*SlackAttachment{{
Color: slack.Color,
Title: title,
Text: attachmentText,
}},
}
}
func getSlackIssueCommentPayload(p *api.IssueCommentPayload, slack *SlackMeta) *SlackPayload {
senderLink := SlackLinkFormatter(conf.Server.ExternalURL+p.Sender.UserName, p.Sender.UserName)
titleLink := SlackLinkFormatter(fmt.Sprintf("%s/issues/%d#%s", p.Repository.HTMLURL, p.Issue.Index, CommentHashTag(p.Comment.ID)),
fmt.Sprintf("#%d %s", p.Issue.Index, p.Issue.Title))
var text, title, attachmentText string
switch p.Action {
case api.HOOK_ISSUE_COMMENT_CREATED:
text = fmt.Sprintf("[%s] New comment created by %s", p.Repository.FullName, senderLink)
title = titleLink
attachmentText = SlackTextFormatter(p.Comment.Body)
case api.HOOK_ISSUE_COMMENT_EDITED:
text = fmt.Sprintf("[%s] Comment edited by %s", p.Repository.FullName, senderLink)
title = titleLink
attachmentText = SlackTextFormatter(p.Comment.Body)
case api.HOOK_ISSUE_COMMENT_DELETED:
text = fmt.Sprintf("[%s] Comment deleted by %s", p.Repository.FullName, senderLink)
title = SlackLinkFormatter(fmt.Sprintf("%s/issues/%d", p.Repository.HTMLURL, p.Issue.Index),
fmt.Sprintf("#%d %s", p.Issue.Index, p.Issue.Title))
attachmentText = SlackTextFormatter(p.Comment.Body)
}
return &SlackPayload{
Channel: slack.Channel,
Text: text,
Username: slack.Username,
IconURL: slack.IconURL,
Attachments: []*SlackAttachment{{
Color: slack.Color,
Title: title,
Text: attachmentText,
}},
}
}
func getSlackPullRequestPayload(p *api.PullRequestPayload, slack *SlackMeta) *SlackPayload {
senderLink := SlackLinkFormatter(conf.Server.ExternalURL+p.Sender.UserName, p.Sender.UserName)
titleLink := SlackLinkFormatter(fmt.Sprintf("%s/pulls/%d", p.Repository.HTMLURL, p.Index),
fmt.Sprintf("#%d %s", p.Index, p.PullRequest.Title))
var text, title, attachmentText string
switch p.Action {
case api.HOOK_ISSUE_OPENED:
text = fmt.Sprintf("[%s] Pull request submitted by %s", p.Repository.FullName, senderLink)
title = titleLink
attachmentText = SlackTextFormatter(p.PullRequest.Body)
case api.HOOK_ISSUE_CLOSED:
if p.PullRequest.HasMerged {
text = fmt.Sprintf("[%s] Pull request merged: %s by %s", p.Repository.FullName, titleLink, senderLink)
} else {
text = fmt.Sprintf("[%s] Pull request closed: %s by %s", p.Repository.FullName, titleLink, senderLink)
}
case api.HOOK_ISSUE_REOPENED:
text = fmt.Sprintf("[%s] Pull request re-opened: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_EDITED:
text = fmt.Sprintf("[%s] Pull request edited: %s by %s", p.Repository.FullName, titleLink, senderLink)
attachmentText = SlackTextFormatter(p.PullRequest.Body)
case api.HOOK_ISSUE_ASSIGNED:
text = fmt.Sprintf("[%s] Pull request assigned to %s: %s by %s", p.Repository.FullName,
SlackLinkFormatter(conf.Server.ExternalURL+p.PullRequest.Assignee.UserName, p.PullRequest.Assignee.UserName),
titleLink, senderLink)
case api.HOOK_ISSUE_UNASSIGNED:
text = fmt.Sprintf("[%s] Pull request unassigned: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_LABEL_UPDATED:
text = fmt.Sprintf("[%s] Pull request labels updated: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_LABEL_CLEARED:
text = fmt.Sprintf("[%s] Pull request labels cleared: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_SYNCHRONIZED:
text = fmt.Sprintf("[%s] Pull request synchronized: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_MILESTONED:
text = fmt.Sprintf("[%s] Pull request milestoned: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HOOK_ISSUE_DEMILESTONED:
text = fmt.Sprintf("[%s] Pull request demilestoned: %s by %s", p.Repository.FullName, titleLink, senderLink)
}
return &SlackPayload{
Channel: slack.Channel,
Text: text,
Username: slack.Username,
IconURL: slack.IconURL,
Attachments: []*SlackAttachment{{
Color: slack.Color,
Title: title,
Text: attachmentText,
}},
}
}
func getSlackReleasePayload(p *api.ReleasePayload) *SlackPayload {
repoLink := SlackLinkFormatter(p.Repository.HTMLURL, p.Repository.Name)
refLink := SlackLinkFormatter(p.Repository.HTMLURL+"/src/"+p.Release.TagName, p.Release.TagName)
text := fmt.Sprintf("[%s] new release %s published by %s", repoLink, refLink, p.Sender.UserName)
return &SlackPayload{
Text: text,
}
}
func GetSlackPayload(p api.Payloader, event HookEventType, meta string) (payload *SlackPayload, err error) {
slack := &SlackMeta{}
if err := jsoniter.Unmarshal([]byte(meta), &slack); err != nil {
return nil, fmt.Errorf("Unmarshal: %v", err)
}
switch event {
case HOOK_EVENT_CREATE:
payload = getSlackCreatePayload(p.(*api.CreatePayload))
case HOOK_EVENT_DELETE:
payload = getSlackDeletePayload(p.(*api.DeletePayload))
case HOOK_EVENT_FORK:
payload = getSlackForkPayload(p.(*api.ForkPayload))
case HOOK_EVENT_PUSH:
payload = getSlackPushPayload(p.(*api.PushPayload), slack)
case HOOK_EVENT_ISSUES:
payload = getSlackIssuesPayload(p.(*api.IssuesPayload), slack)
case HOOK_EVENT_ISSUE_COMMENT:
payload = getSlackIssueCommentPayload(p.(*api.IssueCommentPayload), slack)
case HOOK_EVENT_PULL_REQUEST:
payload = getSlackPullRequestPayload(p.(*api.PullRequestPayload), slack)
case HOOK_EVENT_RELEASE:
payload = getSlackReleasePayload(p.(*api.ReleasePayload))
default:
return nil, errors.Errorf("unexpected event %q", event)
}
payload.Channel = slack.Channel
payload.Username = slack.Username
payload.IconURL = slack.IconURL
if len(payload.Attachments) > 0 {
payload.Attachments[0].Color = slack.Color
}
return payload, nil
}
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