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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 models
import (
"encoding/json"
"errors"
"fmt"
"strings"
"code.gitea.io/git"
api "code.gitea.io/sdk/gitea"
"code.gitea.io/gitea/modules/setting"
)
// SlackMeta contains the slack metadata
type SlackMeta struct {
Channel string `json:"channel"`
Username string `json:"username"`
IconURL string `json:"icon_url"`
Color string `json:"color"`
}
// SlackPayload contains the information about the slack channel
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"`
}
// SlackAttachment contains the slack message
type SlackAttachment struct {
Fallback string `json:"fallback"`
Color string `json:"color"`
Title string `json:"title"`
Text string `json:"text"`
}
// SetSecret sets the slack secret
func (p *SlackPayload) SetSecret(_ string) {}
// JSONPayload Marshals the SlackPayload to json
func (p *SlackPayload) JSONPayload() ([]byte, error) {
data, err := json.MarshalIndent(p, "", " ")
if err != nil {
return []byte{}, err
}
return data, nil
}
// SlackTextFormatter replaces &, <, > with HTML characters
// see: https://api.slack.com/docs/formatting
func SlackTextFormatter(s string) string {
// replace & < >
s = strings.Replace(s, "&", "&", -1)
s = strings.Replace(s, "<", "<", -1)
s = strings.Replace(s, ">", ">", -1)
return s
}
// SlackShortTextFormatter replaces &, <, > with HTML characters
func SlackShortTextFormatter(s string) string {
s = strings.Split(s, "\n")[0]
// replace & < >
s = strings.Replace(s, "&", "&", -1)
s = strings.Replace(s, "<", "<", -1)
s = strings.Replace(s, ">", ">", -1)
return s
}
// SlackLinkFormatter creates a link compatible with slack
func SlackLinkFormatter(url string, text string) string {
return fmt.Sprintf("<%s|%s>", url, SlackTextFormatter(text))
}
// SlackLinkToRef slack-formatter link to a repo ref
func SlackLinkToRef(repoURL, ref string) string {
refName := git.RefEndName(ref)
switch {
case strings.HasPrefix(ref, git.BranchPrefix):
return SlackLinkFormatter(repoURL+"/src/branch/"+refName, refName)
case strings.HasPrefix(ref, git.TagPrefix):
return SlackLinkFormatter(repoURL+"/src/tag/"+refName, refName)
default:
return SlackLinkFormatter(repoURL+"/src/commit/"+refName, refName)
}
}
func getSlackCreatePayload(p *api.CreatePayload, slack *SlackMeta) (*SlackPayload, error) {
repoLink := SlackLinkFormatter(p.Repo.HTMLURL, p.Repo.Name)
refLink := SlackLinkToRef(p.Repo.HTMLURL, p.Ref)
text := fmt.Sprintf("[%s:%s] %s created by %s", repoLink, refLink, p.RefType, p.Sender.UserName)
return &SlackPayload{
Channel: slack.Channel,
Text: text,
Username: slack.Username,
IconURL: slack.IconURL,
}, nil
}
func getSlackPushPayload(p *api.PushPayload, slack *SlackMeta) (*SlackPayload, error) {
// n new commits
var (
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 := SlackLinkToRef(p.Repo.HTMLURL, p.Ref)
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,
}},
}, nil
}
func getSlackPullRequestPayload(p *api.PullRequestPayload, slack *SlackMeta) (*SlackPayload, error) {
senderLink := SlackLinkFormatter(setting.AppURL+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.HookIssueOpened:
text = fmt.Sprintf("[%s] Pull request submitted by %s", p.Repository.FullName, senderLink)
title = titleLink
attachmentText = SlackTextFormatter(p.PullRequest.Body)
case api.HookIssueClosed:
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.HookIssueReOpened:
text = fmt.Sprintf("[%s] Pull request re-opened: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HookIssueEdited:
text = fmt.Sprintf("[%s] Pull request edited: %s by %s", p.Repository.FullName, titleLink, senderLink)
attachmentText = SlackTextFormatter(p.PullRequest.Body)
case api.HookIssueAssigned:
text = fmt.Sprintf("[%s] Pull request assigned to %s: %s by %s", p.Repository.FullName,
SlackLinkFormatter(setting.AppURL+p.PullRequest.Assignee.UserName, p.PullRequest.Assignee.UserName),
titleLink, senderLink)
case api.HookIssueUnassigned:
text = fmt.Sprintf("[%s] Pull request unassigned: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HookIssueLabelUpdated:
text = fmt.Sprintf("[%s] Pull request labels updated: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HookIssueLabelCleared:
text = fmt.Sprintf("[%s] Pull request labels cleared: %s by %s", p.Repository.FullName, titleLink, senderLink)
case api.HookIssueSynchronized:
text = fmt.Sprintf("[%s] Pull request synchronized: %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,
}},
}, nil
}
func getSlackRepositoryPayload(p *api.RepositoryPayload, slack *SlackMeta) (*SlackPayload, error) {
senderLink := SlackLinkFormatter(setting.AppURL+p.Sender.UserName, p.Sender.UserName)
var text, title, attachmentText string
switch p.Action {
case api.HookRepoCreated:
text = fmt.Sprintf("[%s] Repository created by %s", p.Repository.FullName, senderLink)
title = p.Repository.HTMLURL
case api.HookRepoDeleted:
text = fmt.Sprintf("[%s] Repository deleted by %s", p.Repository.FullName, senderLink)
}
return &SlackPayload{
Channel: slack.Channel,
Text: text,
Username: slack.Username,
IconURL: slack.IconURL,
Attachments: []SlackAttachment{{
Color: slack.Color,
Title: title,
Text: attachmentText,
}},
}, nil
}
// GetSlackPayload converts a slack webhook into a SlackPayload
func GetSlackPayload(p api.Payloader, event HookEventType, meta string) (*SlackPayload, error) {
s := new(SlackPayload)
slack := &SlackMeta{}
if err := json.Unmarshal([]byte(meta), &slack); err != nil {
return s, errors.New("GetSlackPayload meta json:" + err.Error())
}
switch event {
case HookEventCreate:
return getSlackCreatePayload(p.(*api.CreatePayload), slack)
case HookEventPush:
return getSlackPushPayload(p.(*api.PushPayload), slack)
case HookEventPullRequest:
return getSlackPullRequestPayload(p.(*api.PullRequestPayload), slack)
case HookEventRepository:
return getSlackRepositoryPayload(p.(*api.RepositoryPayload), slack)
}
return s, nil
}
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