forgejo/modules/webhook/discord.go
Cornel ebc35f2b2e
Fix comments webhook panic (#12046)
* Fix webhook comment handling type cast panic

* Handle HookIssueReviewed action in webhook

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2020-06-24 23:39:43 -04:00

446 lines
12 KiB
Go

// Copyright 2017 The Gitea 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 webhook
import (
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
)
type (
// DiscordEmbedFooter for Embed Footer Structure.
DiscordEmbedFooter struct {
Text string `json:"text"`
}
// DiscordEmbedAuthor for Embed Author Structure
DiscordEmbedAuthor struct {
Name string `json:"name"`
URL string `json:"url"`
IconURL string `json:"icon_url"`
}
// DiscordEmbedField for Embed Field Structure
DiscordEmbedField struct {
Name string `json:"name"`
Value string `json:"value"`
}
// DiscordEmbed is for Embed Structure
DiscordEmbed struct {
Title string `json:"title"`
Description string `json:"description"`
URL string `json:"url"`
Color int `json:"color"`
Footer DiscordEmbedFooter `json:"footer"`
Author DiscordEmbedAuthor `json:"author"`
Fields []DiscordEmbedField `json:"fields"`
}
// DiscordPayload represents
DiscordPayload struct {
Wait bool `json:"wait"`
Content string `json:"content"`
Username string `json:"username"`
AvatarURL string `json:"avatar_url"`
TTS bool `json:"tts"`
Embeds []DiscordEmbed `json:"embeds"`
}
// DiscordMeta contains the discord metadata
DiscordMeta struct {
Username string `json:"username"`
IconURL string `json:"icon_url"`
}
)
// GetDiscordHook returns discord metadata
func GetDiscordHook(w *models.Webhook) *DiscordMeta {
s := &DiscordMeta{}
if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
log.Error("webhook.GetDiscordHook(%d): %v", w.ID, err)
}
return s
}
func color(clr string) int {
if clr != "" {
clr = strings.TrimLeft(clr, "#")
if s, err := strconv.ParseInt(clr, 16, 32); err == nil {
return int(s)
}
}
return 0
}
var (
greenColor = color("1ac600")
greenColorLight = color("bfe5bf")
yellowColor = color("ffd930")
greyColor = color("4f545c")
purpleColor = color("7289da")
orangeColor = color("eb6420")
orangeColorLight = color("e68d60")
redColor = color("ff3232")
)
// SetSecret sets the discord secret
func (p *DiscordPayload) SetSecret(_ string) {}
// JSONPayload Marshals the DiscordPayload to json
func (p *DiscordPayload) JSONPayload() ([]byte, error) {
data, err := json.MarshalIndent(p, "", " ")
if err != nil {
return []byte{}, err
}
return data, nil
}
func getDiscordCreatePayload(p *api.CreatePayload, meta *DiscordMeta) (*DiscordPayload, error) {
// created tag/branch
refName := git.RefEndName(p.Ref)
title := fmt.Sprintf("[%s] %s %s created", p.Repo.FullName, p.RefType, refName)
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: title,
URL: p.Repo.HTMLURL + "/src/" + refName,
Color: greenColor,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordDeletePayload(p *api.DeletePayload, meta *DiscordMeta) (*DiscordPayload, error) {
// deleted tag/branch
refName := git.RefEndName(p.Ref)
title := fmt.Sprintf("[%s] %s %s deleted", p.Repo.FullName, p.RefType, refName)
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: title,
URL: p.Repo.HTMLURL + "/src/" + refName,
Color: redColor,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordForkPayload(p *api.ForkPayload, meta *DiscordMeta) (*DiscordPayload, error) {
// fork
title := fmt.Sprintf("%s is forked to %s", p.Forkee.FullName, p.Repo.FullName)
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: title,
URL: p.Repo.HTMLURL,
Color: greenColor,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordPushPayload(p *api.PushPayload, meta *DiscordMeta) (*DiscordPayload, error) {
var (
branchName = git.RefEndName(p.Ref)
commitDesc string
)
var titleLink string
if len(p.Commits) == 1 {
commitDesc = "1 new commit"
titleLink = p.Commits[0].URL
} else {
commitDesc = fmt.Sprintf("%d new commits", len(p.Commits))
titleLink = p.CompareURL
}
if titleLink == "" {
titleLink = p.Repo.HTMLURL + "/src/" + branchName
}
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 {
text += fmt.Sprintf("[%s](%s) %s - %s", commit.ID[:7], commit.URL,
strings.TrimRight(commit.Message, "\r\n"), commit.Author.Name)
// add linebreak to each commit but the last
if i < len(p.Commits)-1 {
text += "\n"
}
}
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: title,
Description: text,
URL: titleLink,
Color: greenColor,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordIssuesPayload(p *api.IssuePayload, meta *DiscordMeta) (*DiscordPayload, error) {
text, _, attachmentText, color := getIssuesPayloadInfo(p, noneLinkFormatter, false)
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: text,
Description: attachmentText,
URL: p.Issue.HTMLURL,
Color: color,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordIssueCommentPayload(p *api.IssueCommentPayload, discord *DiscordMeta) (*DiscordPayload, error) {
text, _, color := getIssueCommentPayloadInfo(p, noneLinkFormatter, false)
return &DiscordPayload{
Username: discord.Username,
AvatarURL: discord.IconURL,
Embeds: []DiscordEmbed{
{
Title: text,
Description: p.Comment.Body,
URL: p.Comment.HTMLURL,
Color: color,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordPullRequestPayload(p *api.PullRequestPayload, meta *DiscordMeta) (*DiscordPayload, error) {
text, _, attachmentText, color := getPullRequestPayloadInfo(p, noneLinkFormatter, false)
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: text,
Description: attachmentText,
URL: p.PullRequest.HTMLURL,
Color: color,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordPullRequestApprovalPayload(p *api.PullRequestPayload, meta *DiscordMeta, event models.HookEventType) (*DiscordPayload, error) {
var text, title string
var color int
switch p.Action {
case api.HookIssueReviewed:
action, err := parseHookPullRequestEventType(event)
if err != nil {
return nil, err
}
title = fmt.Sprintf("[%s] Pull request review %s: #%d %s", p.Repository.FullName, action, p.Index, p.PullRequest.Title)
text = p.Review.Content
switch event {
case models.HookEventPullRequestReviewApproved:
color = greenColor
case models.HookEventPullRequestReviewRejected:
color = redColor
case models.HookEventPullRequestComment:
color = greyColor
default:
color = yellowColor
}
}
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: title,
Description: text,
URL: p.PullRequest.HTMLURL,
Color: color,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordRepositoryPayload(p *api.RepositoryPayload, meta *DiscordMeta) (*DiscordPayload, error) {
var title, url string
var color int
switch p.Action {
case api.HookRepoCreated:
title = fmt.Sprintf("[%s] Repository created", p.Repository.FullName)
url = p.Repository.HTMLURL
color = greenColor
case api.HookRepoDeleted:
title = fmt.Sprintf("[%s] Repository deleted", p.Repository.FullName)
color = redColor
}
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: title,
URL: url,
Color: color,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
func getDiscordReleasePayload(p *api.ReleasePayload, meta *DiscordMeta) (*DiscordPayload, error) {
text, color := getReleasePayloadInfo(p, noneLinkFormatter, false)
return &DiscordPayload{
Username: meta.Username,
AvatarURL: meta.IconURL,
Embeds: []DiscordEmbed{
{
Title: text,
Description: p.Release.Note,
URL: p.Release.URL,
Color: color,
Author: DiscordEmbedAuthor{
Name: p.Sender.UserName,
URL: setting.AppURL + p.Sender.UserName,
IconURL: p.Sender.AvatarURL,
},
},
},
}, nil
}
// GetDiscordPayload converts a discord webhook into a DiscordPayload
func GetDiscordPayload(p api.Payloader, event models.HookEventType, meta string) (*DiscordPayload, error) {
s := new(DiscordPayload)
discord := &DiscordMeta{}
if err := json.Unmarshal([]byte(meta), &discord); err != nil {
return s, errors.New("GetDiscordPayload meta json:" + err.Error())
}
switch event {
case models.HookEventCreate:
return getDiscordCreatePayload(p.(*api.CreatePayload), discord)
case models.HookEventDelete:
return getDiscordDeletePayload(p.(*api.DeletePayload), discord)
case models.HookEventFork:
return getDiscordForkPayload(p.(*api.ForkPayload), discord)
case models.HookEventIssues, models.HookEventIssueAssign, models.HookEventIssueLabel, models.HookEventIssueMilestone:
return getDiscordIssuesPayload(p.(*api.IssuePayload), discord)
case models.HookEventIssueComment, models.HookEventPullRequestComment:
pl, ok := p.(*api.IssueCommentPayload)
if ok {
return getDiscordIssueCommentPayload(pl, discord)
}
return getDiscordPullRequestPayload(p.(*api.PullRequestPayload), discord)
case models.HookEventPush:
return getDiscordPushPayload(p.(*api.PushPayload), discord)
case models.HookEventPullRequest, models.HookEventPullRequestAssign, models.HookEventPullRequestLabel,
models.HookEventPullRequestMilestone, models.HookEventPullRequestSync:
return getDiscordPullRequestPayload(p.(*api.PullRequestPayload), discord)
case models.HookEventPullRequestReviewRejected, models.HookEventPullRequestReviewApproved, models.HookEventPullRequestReviewComment:
return getDiscordPullRequestApprovalPayload(p.(*api.PullRequestPayload), discord, event)
case models.HookEventRepository:
return getDiscordRepositoryPayload(p.(*api.RepositoryPayload), discord)
case models.HookEventRelease:
return getDiscordReleasePayload(p.(*api.ReleasePayload), discord)
}
return s, nil
}
func parseHookPullRequestEventType(event models.HookEventType) (string, error) {
switch event {
case models.HookEventPullRequestReviewApproved:
return "approved", nil
case models.HookEventPullRequestReviewRejected:
return "rejected", nil
case models.HookEventPullRequestComment:
return "comment", nil
default:
return "", errors.New("unknown event type")
}
}