forgejo/services/webhook/discord.go
John Olheiser e7f1d45eb5
fix: omit avatar_url in discord payload when empty (#22393)
Fixes #22391

This field is optional for Discord, however when it exists in the
payload it is now validated.
Omitting it entirely just makes Discord use the default for that
webhook, which is set on the Discord side.

Signed-off-by: jolheiser <john.olheiser@gmail.com>
2023-01-10 14:01:52 -05:00

306 lines
9.1 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package webhook
import (
"errors"
"fmt"
"net/url"
"strconv"
"strings"
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"
"code.gitea.io/gitea/modules/util"
webhook_module "code.gitea.io/gitea/modules/webhook"
)
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,omitempty"`
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 *webhook_model.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")
)
// JSONPayload Marshals the DiscordPayload to json
func (d *DiscordPayload) JSONPayload() ([]byte, error) {
data, err := json.MarshalIndent(d, "", " ")
if err != nil {
return []byte{}, err
}
return data, nil
}
var _ PayloadConvertor = &DiscordPayload{}
// Create implements PayloadConvertor Create method
func (d *DiscordPayload) Create(p *api.CreatePayload) (api.Payloader, error) {
// created tag/branch
refName := git.RefEndName(p.Ref)
title := fmt.Sprintf("[%s] %s %s created", p.Repo.FullName, p.RefType, refName)
return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName), greenColor), nil
}
// Delete implements PayloadConvertor Delete method
func (d *DiscordPayload) Delete(p *api.DeletePayload) (api.Payloader, error) {
// deleted tag/branch
refName := git.RefEndName(p.Ref)
title := fmt.Sprintf("[%s] %s %s deleted", p.Repo.FullName, p.RefType, refName)
return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName), redColor), nil
}
// Fork implements PayloadConvertor Fork method
func (d *DiscordPayload) Fork(p *api.ForkPayload) (api.Payloader, error) {
title := fmt.Sprintf("%s is forked to %s", p.Forkee.FullName, p.Repo.FullName)
return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL, greenColor), nil
}
// Push implements PayloadConvertor Push method
func (d *DiscordPayload) Push(p *api.PushPayload) (api.Payloader, error) {
var (
branchName = git.RefEndName(p.Ref)
commitDesc string
)
var titleLink string
if p.TotalCommits == 1 {
commitDesc = "1 new commit"
titleLink = p.Commits[0].URL
} else {
commitDesc = fmt.Sprintf("%d new commits", p.TotalCommits)
titleLink = p.CompareURL
}
if titleLink == "" {
titleLink = p.Repo.HTMLURL + "/src/" + util.PathEscapeSegments(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 d.createPayload(p.Sender, title, text, titleLink, greenColor), nil
}
// Issue implements PayloadConvertor Issue method
func (d *DiscordPayload) Issue(p *api.IssuePayload) (api.Payloader, error) {
title, _, text, color := getIssuesPayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, title, text, p.Issue.HTMLURL, color), nil
}
// IssueComment implements PayloadConvertor IssueComment method
func (d *DiscordPayload) IssueComment(p *api.IssueCommentPayload) (api.Payloader, error) {
title, _, color := getIssueCommentPayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, title, p.Comment.Body, p.Comment.HTMLURL, color), nil
}
// PullRequest implements PayloadConvertor PullRequest method
func (d *DiscordPayload) PullRequest(p *api.PullRequestPayload) (api.Payloader, error) {
title, _, text, color := getPullRequestPayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, title, text, p.PullRequest.HTMLURL, color), nil
}
// Review implements PayloadConvertor Review method
func (d *DiscordPayload) Review(p *api.PullRequestPayload, event webhook_module.HookEventType) (api.Payloader, 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 webhook_module.HookEventPullRequestReviewApproved:
color = greenColor
case webhook_module.HookEventPullRequestReviewRejected:
color = redColor
case webhook_module.HookEventPullRequestComment:
color = greyColor
default:
color = yellowColor
}
}
return d.createPayload(p.Sender, title, text, p.PullRequest.HTMLURL, color), nil
}
// Repository implements PayloadConvertor Repository method
func (d *DiscordPayload) Repository(p *api.RepositoryPayload) (api.Payloader, 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 d.createPayload(p.Sender, title, "", url, color), nil
}
// Wiki implements PayloadConvertor Wiki method
func (d *DiscordPayload) Wiki(p *api.WikiPayload) (api.Payloader, error) {
text, color, _ := getWikiPayloadInfo(p, noneLinkFormatter, false)
htmlLink := p.Repository.HTMLURL + "/wiki/" + url.PathEscape(p.Page)
var description string
if p.Action != api.HookWikiDeleted {
description = p.Comment
}
return d.createPayload(p.Sender, text, description, htmlLink, color), nil
}
// Release implements PayloadConvertor Release method
func (d *DiscordPayload) Release(p *api.ReleasePayload) (api.Payloader, error) {
text, color := getReleasePayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, text, p.Release.Note, p.Release.URL, color), nil
}
// GetDiscordPayload converts a discord webhook into a DiscordPayload
func GetDiscordPayload(p api.Payloader, event webhook_module.HookEventType, meta string) (api.Payloader, error) {
s := new(DiscordPayload)
discord := &DiscordMeta{}
if err := json.Unmarshal([]byte(meta), &discord); err != nil {
return s, errors.New("GetDiscordPayload meta json:" + err.Error())
}
s.Username = discord.Username
s.AvatarURL = discord.IconURL
return convertPayloader(s, p, event)
}
func parseHookPullRequestEventType(event webhook_module.HookEventType) (string, error) {
switch event {
case webhook_module.HookEventPullRequestReviewApproved:
return "approved", nil
case webhook_module.HookEventPullRequestReviewRejected:
return "rejected", nil
case webhook_module.HookEventPullRequestComment:
return "comment", nil
default:
return "", errors.New("unknown event type")
}
}
func (d *DiscordPayload) createPayload(s *api.User, title, text, url string, color int) *DiscordPayload {
return &DiscordPayload{
Username: d.Username,
AvatarURL: d.AvatarURL,
Embeds: []DiscordEmbed{
{
Title: title,
Description: text,
URL: url,
Color: color,
Author: DiscordEmbedAuthor{
Name: s.UserName,
URL: setting.AppURL + s.UserName,
IconURL: s.AvatarURL,
},
},
},
}
}