forgejo/services/webhook/slack.go

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// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
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package webhook
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import (
"errors"
"fmt"
"regexp"
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"strings"
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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"
webhook_module "code.gitea.io/gitea/modules/webhook"
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)
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// SlackMeta contains the slack metadata
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type SlackMeta struct {
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Channel string `json:"channel"`
Username string `json:"username"`
IconURL string `json:"icon_url"`
Color string `json:"color"`
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}
// GetSlackHook returns slack metadata
func GetSlackHook(w *webhook_model.Webhook) *SlackMeta {
s := &SlackMeta{}
if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
log.Error("webhook.GetSlackHook(%d): %v", w.ID, err)
}
return s
}
// SlackPayload contains the information about the slack channel
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type SlackPayload struct {
Channel string `json:"channel"`
Text string `json:"text"`
Color string `json:"-"`
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Username string `json:"username"`
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IconURL string `json:"icon_url"`
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UnfurlLinks int `json:"unfurl_links"`
LinkNames int `json:"link_names"`
Attachments []SlackAttachment `json:"attachments"`
}
// SlackAttachment contains the slack message
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type SlackAttachment struct {
Fallback string `json:"fallback"`
Color string `json:"color"`
Title string `json:"title"`
TitleLink string `json:"title_link"`
Text string `json:"text"`
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}
// JSONPayload Marshals the SlackPayload to json
func (s *SlackPayload) JSONPayload() ([]byte, error) {
data, err := json.MarshalIndent(s, "", " ")
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if err != nil {
return []byte{}, err
}
return data, nil
}
// SlackTextFormatter replaces &, <, > with HTML characters
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// see: https://api.slack.com/docs/formatting
func SlackTextFormatter(s string) string {
// replace & < >
s = strings.ReplaceAll(s, "&", "&amp;")
s = strings.ReplaceAll(s, "<", "&lt;")
s = strings.ReplaceAll(s, ">", "&gt;")
return s
}
// SlackShortTextFormatter replaces &, <, > with HTML characters
func SlackShortTextFormatter(s string) string {
s = strings.Split(s, "\n")[0]
// replace & < >
s = strings.ReplaceAll(s, "&", "&amp;")
s = strings.ReplaceAll(s, "<", "&lt;")
s = strings.ReplaceAll(s, ">", "&gt;")
return s
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}
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// SlackLinkFormatter creates a link compatible with slack
func SlackLinkFormatter(url, text string) string {
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return fmt.Sprintf("<%s|%s>", url, SlackTextFormatter(text))
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}
// SlackLinkToRef slack-formatter link to a repo ref
func SlackLinkToRef(repoURL, ref string) string {
url := git.RefURL(repoURL, ref)
Use the type RefName for all the needed places and fix pull mirror sync bugs (#24634) This PR replaces all string refName as a type `git.RefName` to make the code more maintainable. Fix #15367 Replaces #23070 It also fixed a bug that tags are not sync because `git remote --prune origin` will not remove local tags if remote removed. We in fact should use `git fetch --prune --tags origin` but not `git remote update origin` to do the sync. Some answer from ChatGPT as ref. > If the git fetch --prune --tags command is not working as expected, there could be a few reasons why. Here are a few things to check: > >Make sure that you have the latest version of Git installed on your system. You can check the version by running git --version in your terminal. If you have an outdated version, try updating Git and see if that resolves the issue. > >Check that your Git repository is properly configured to track the remote repository's tags. You can check this by running git config --get-all remote.origin.fetch and verifying that it includes +refs/tags/*:refs/tags/*. If it does not, you can add it by running git config --add remote.origin.fetch "+refs/tags/*:refs/tags/*". > >Verify that the tags you are trying to prune actually exist on the remote repository. You can do this by running git ls-remote --tags origin to list all the tags on the remote repository. > >Check if any local tags have been created that match the names of tags on the remote repository. If so, these local tags may be preventing the git fetch --prune --tags command from working properly. You can delete local tags using the git tag -d command. --------- Co-authored-by: delvh <dev.lh@web.de>
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refName := git.RefName(ref).ShortName()
return SlackLinkFormatter(url, refName)
}
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var _ PayloadConvertor = &SlackPayload{}
// Create implements PayloadConvertor Create method
func (s *SlackPayload) Create(p *api.CreatePayload) (api.Payloader, error) {
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
refLink := SlackLinkToRef(p.Repo.HTMLURL, p.Ref)
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text := fmt.Sprintf("[%s:%s] %s created by %s", repoLink, refLink, p.RefType, p.Sender.UserName)
return s.createPayload(text, nil), nil
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}
// Delete composes Slack payload for delete a branch or tag.
func (s *SlackPayload) Delete(p *api.DeletePayload) (api.Payloader, error) {
Use the type RefName for all the needed places and fix pull mirror sync bugs (#24634) This PR replaces all string refName as a type `git.RefName` to make the code more maintainable. Fix #15367 Replaces #23070 It also fixed a bug that tags are not sync because `git remote --prune origin` will not remove local tags if remote removed. We in fact should use `git fetch --prune --tags origin` but not `git remote update origin` to do the sync. Some answer from ChatGPT as ref. > If the git fetch --prune --tags command is not working as expected, there could be a few reasons why. Here are a few things to check: > >Make sure that you have the latest version of Git installed on your system. You can check the version by running git --version in your terminal. If you have an outdated version, try updating Git and see if that resolves the issue. > >Check that your Git repository is properly configured to track the remote repository's tags. You can check this by running git config --get-all remote.origin.fetch and verifying that it includes +refs/tags/*:refs/tags/*. If it does not, you can add it by running git config --add remote.origin.fetch "+refs/tags/*:refs/tags/*". > >Verify that the tags you are trying to prune actually exist on the remote repository. You can do this by running git ls-remote --tags origin to list all the tags on the remote repository. > >Check if any local tags have been created that match the names of tags on the remote repository. If so, these local tags may be preventing the git fetch --prune --tags command from working properly. You can delete local tags using the git tag -d command. --------- Co-authored-by: delvh <dev.lh@web.de>
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refName := git.RefName(p.Ref).ShortName()
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
text := fmt.Sprintf("[%s:%s] %s deleted by %s", repoLink, refName, p.RefType, p.Sender.UserName)
return s.createPayload(text, nil), nil
}
// Fork composes Slack payload for forked by a repository.
func (s *SlackPayload) Fork(p *api.ForkPayload) (api.Payloader, error) {
baseLink := SlackLinkFormatter(p.Forkee.HTMLURL, p.Forkee.FullName)
forkLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
text := fmt.Sprintf("%s is forked to %s", baseLink, forkLink)
return s.createPayload(text, nil), nil
}
// Issue implements PayloadConvertor Issue method
func (s *SlackPayload) Issue(p *api.IssuePayload) (api.Payloader, error) {
text, issueTitle, attachmentText, color := getIssuesPayloadInfo(p, SlackLinkFormatter, true)
var attachments []SlackAttachment
if attachmentText != "" {
attachmentText = SlackTextFormatter(attachmentText)
issueTitle = SlackTextFormatter(issueTitle)
attachments = append(attachments, SlackAttachment{
Color: fmt.Sprintf("%x", color),
Title: issueTitle,
TitleLink: p.Issue.HTMLURL,
Text: attachmentText,
})
}
return s.createPayload(text, attachments), nil
}
// IssueComment implements PayloadConvertor IssueComment method
func (s *SlackPayload) IssueComment(p *api.IssueCommentPayload) (api.Payloader, error) {
text, issueTitle, color := getIssueCommentPayloadInfo(p, SlackLinkFormatter, true)
return s.createPayload(text, []SlackAttachment{{
Color: fmt.Sprintf("%x", color),
Title: issueTitle,
TitleLink: p.Comment.HTMLURL,
Text: SlackTextFormatter(p.Comment.Body),
}}), nil
}
Webhook for Wiki changes (#20219) Add support for triggering webhook notifications on wiki changes. This PR contains frontend and backend for webhook notifications on wiki actions (create a new page, rename a page, edit a page and delete a page). The frontend got a new checkbox under the Custom Event -> Repository Events section. There is only one checkbox for create/edit/rename/delete actions, because it makes no sense to separate it and others like releases or packages follow the same schema. ![image](https://user-images.githubusercontent.com/121972/177018803-26851196-831f-4fde-9a4c-9e639b0e0d6b.png) The actions itself are separated, so that different notifications will be executed (with the "action" field). All the webhook receivers implement the new interface method (Wiki) and the corresponding tests. When implementing this, I encounter a little bug on editing a wiki page. Creating and editing a wiki page is technically the same action and will be handled by the ```updateWikiPage``` function. But the function need to know if it is a new wiki page or just a change. This distinction is done by the ```action``` parameter, but this will not be sent by the frontend (on form submit). This PR will fix this by adding the ```action``` parameter with the values ```_new``` or ```_edit```, which will be used by the ```updateWikiPage``` function. I've done integration tests with matrix and gitea (http). ![image](https://user-images.githubusercontent.com/121972/177018795-eb5cdc01-9ba3-483e-a6b7-ed0e313a71fb.png) Fix #16457 Signed-off-by: Aaron Fischer <mail@aaron-fischer.net>
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// Wiki implements PayloadConvertor Wiki method
func (s *SlackPayload) Wiki(p *api.WikiPayload) (api.Payloader, error) {
text, _, _ := getWikiPayloadInfo(p, SlackLinkFormatter, true)
return s.createPayload(text, nil), nil
}
// Release implements PayloadConvertor Release method
func (s *SlackPayload) Release(p *api.ReleasePayload) (api.Payloader, error) {
text, _ := getReleasePayloadInfo(p, SlackLinkFormatter, true)
return s.createPayload(text, nil), nil
}
func (s *SlackPayload) Package(p *api.PackagePayload) (api.Payloader, error) {
text, _ := getPackagePayloadInfo(p, SlackLinkFormatter, true)
return s.createPayload(text, nil), nil
}
// Push implements PayloadConvertor Push method
func (s *SlackPayload) Push(p *api.PushPayload) (api.Payloader, error) {
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// n new commits
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var (
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commitDesc string
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commitString string
)
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if p.TotalCommits == 1 {
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commitDesc = "1 new commit"
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} else {
commitDesc = fmt.Sprintf("%d new commits", p.TotalCommits)
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}
if len(p.CompareURL) > 0 {
commitString = SlackLinkFormatter(p.CompareURL, commitDesc)
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} else {
commitString = commitDesc
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}
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.FullName)
branchLink := SlackLinkToRef(p.Repo.HTMLURL, p.Ref)
text := fmt.Sprintf("[%s:%s] %s pushed by %s", repoLink, branchLink, commitString, p.Pusher.UserName)
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var attachmentText string
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// 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))
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// add linebreak to each commit but the last
if i < len(p.Commits)-1 {
attachmentText += "\n"
}
}
return s.createPayload(text, []SlackAttachment{{
Color: s.Color,
Title: p.Repo.HTMLURL,
TitleLink: p.Repo.HTMLURL,
Text: attachmentText,
}}), nil
}
// PullRequest implements PayloadConvertor PullRequest method
func (s *SlackPayload) PullRequest(p *api.PullRequestPayload) (api.Payloader, error) {
text, issueTitle, attachmentText, color := getPullRequestPayloadInfo(p, SlackLinkFormatter, true)
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var attachments []SlackAttachment
if attachmentText != "" {
attachmentText = SlackTextFormatter(p.PullRequest.Body)
issueTitle = SlackTextFormatter(issueTitle)
attachments = append(attachments, SlackAttachment{
Color: fmt.Sprintf("%x", color),
Title: issueTitle,
TitleLink: p.PullRequest.HTMLURL,
Text: attachmentText,
})
}
return s.createPayload(text, attachments), nil
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}
// Review implements PayloadConvertor Review method
func (s *SlackPayload) Review(p *api.PullRequestPayload, event webhook_module.HookEventType) (api.Payloader, error) {
senderLink := SlackLinkFormatter(setting.AppURL+p.Sender.UserName, p.Sender.UserName)
title := fmt.Sprintf("#%d %s", p.Index, p.PullRequest.Title)
titleLink := fmt.Sprintf("%s/pulls/%d", p.Repository.HTMLURL, p.Index)
repoLink := SlackLinkFormatter(p.Repository.HTMLURL, p.Repository.FullName)
var text string
switch p.Action {
case api.HookIssueReviewed:
action, err := parseHookPullRequestEventType(event)
if err != nil {
return nil, err
}
text = fmt.Sprintf("[%s] Pull request review %s: [%s](%s) by %s", repoLink, action, title, titleLink, senderLink)
}
return s.createPayload(text, nil), nil
}
// Repository implements PayloadConvertor Repository method
func (s *SlackPayload) Repository(p *api.RepositoryPayload) (api.Payloader, error) {
senderLink := SlackLinkFormatter(setting.AppURL+p.Sender.UserName, p.Sender.UserName)
repoLink := SlackLinkFormatter(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 s.createPayload(text, nil), nil
}
func (s *SlackPayload) createPayload(text string, attachments []SlackAttachment) *SlackPayload {
return &SlackPayload{
Channel: s.Channel,
Text: text,
Username: s.Username,
IconURL: s.IconURL,
Attachments: attachments,
}
}
// GetSlackPayload converts a slack webhook into a SlackPayload
func GetSlackPayload(p api.Payloader, event webhook_module.HookEventType, meta string) (api.Payloader, error) {
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s := new(SlackPayload)
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slack := &SlackMeta{}
if err := json.Unmarshal([]byte(meta), &slack); err != nil {
return s, errors.New("GetSlackPayload meta json:" + err.Error())
}
s.Channel = slack.Channel
s.Username = slack.Username
s.IconURL = slack.IconURL
s.Color = slack.Color
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return convertPayloader(s, p, event)
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}
var slackChannel = regexp.MustCompile(`^#?[a-z0-9_-]{1,80}$`)
// IsValidSlackChannel validates a channel name conforms to what slack expects:
// https://api.slack.com/methods/conversations.rename#naming
// Conversation names can only contain lowercase letters, numbers, hyphens, and underscores, and must be 80 characters or less.
// Gitea accepts if it starts with a #.
func IsValidSlackChannel(name string) bool {
return slackChannel.MatchString(name)
}