310376525b
- Use the forked [binding](https://code.forgejo.org/go-chi/binding) library. This library has two benefits, it removes the usage of `github.com/goccy/go-json` (has no benefit as the minimo library is also using it). It adds the `TrimSpace` feature, which will during the binding part trim the spaces around the value it got from the form, this is done before validation.
367 lines
11 KiB
Go
367 lines
11 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package webhook
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import (
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"context"
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"errors"
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"fmt"
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"html/template"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"unicode/utf8"
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webhook_model "code.gitea.io/gitea/models/webhook"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/util"
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webhook_module "code.gitea.io/gitea/modules/webhook"
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gitea_context "code.gitea.io/gitea/services/context"
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"code.gitea.io/gitea/services/forms"
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"code.gitea.io/gitea/services/webhook/shared"
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"code.forgejo.org/go-chi/binding"
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)
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type discordHandler struct{}
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func (discordHandler) Type() webhook_module.HookType { return webhook_module.DISCORD }
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func (discordHandler) Icon(size int) template.HTML { return shared.ImgIcon("discord.png", size) }
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type discordForm struct {
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forms.WebhookCoreForm
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PayloadURL string `binding:"Required;ValidUrl"`
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Username string `binding:"Required;MaxSize(80)"`
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IconURL string `binding:"ValidUrl"`
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}
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var _ binding.Validator = &discordForm{}
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// Validate implements binding.Validator.
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func (d *discordForm) Validate(req *http.Request, errs binding.Errors) binding.Errors {
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ctx := gitea_context.GetWebContext(req)
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if len([]rune(d.IconURL)) > 2048 {
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errs = append(errs, binding.Error{
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FieldNames: []string{"IconURL"},
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Message: ctx.Locale.TrString("repo.settings.discord_icon_url.exceeds_max_length"),
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})
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}
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return errs
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}
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func (discordHandler) UnmarshalForm(bind func(any)) forms.WebhookForm {
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var form discordForm
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bind(&form)
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return forms.WebhookForm{
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WebhookCoreForm: form.WebhookCoreForm,
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URL: form.PayloadURL,
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ContentType: webhook_model.ContentTypeJSON,
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Secret: "",
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HTTPMethod: http.MethodPost,
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Metadata: &DiscordMeta{
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Username: form.Username,
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IconURL: form.IconURL,
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},
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}
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}
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type (
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// DiscordEmbedFooter for Embed Footer Structure.
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DiscordEmbedFooter struct {
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Text string `json:"text,omitempty"`
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}
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// DiscordEmbedAuthor for Embed Author Structure
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DiscordEmbedAuthor struct {
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Name string `json:"name"`
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URL string `json:"url"`
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IconURL string `json:"icon_url"`
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}
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// DiscordEmbedField for Embed Field Structure
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DiscordEmbedField struct {
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Name string `json:"name"`
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Value string `json:"value"`
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}
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// DiscordEmbed is for Embed Structure
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DiscordEmbed struct {
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Title string `json:"title"`
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Description string `json:"description"`
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URL string `json:"url"`
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Color int `json:"color"`
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Footer DiscordEmbedFooter `json:"footer"`
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Author DiscordEmbedAuthor `json:"author"`
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Fields []DiscordEmbedField `json:"fields,omitempty"`
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}
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// DiscordPayload represents
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DiscordPayload struct {
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Wait bool `json:"-"`
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Content string `json:"-"`
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Username string `json:"username"`
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AvatarURL string `json:"avatar_url,omitempty"`
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TTS bool `json:"-"`
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Embeds []DiscordEmbed `json:"embeds"`
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}
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// DiscordMeta contains the discord metadata
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DiscordMeta struct {
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Username string `json:"username"`
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IconURL string `json:"icon_url"`
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}
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)
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// Metadata returns discord metadata
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func (discordHandler) Metadata(w *webhook_model.Webhook) any {
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s := &DiscordMeta{}
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if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
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log.Error("discordHandler.Metadata(%d): %v", w.ID, err)
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}
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return s
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}
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func color(clr string) int {
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if clr != "" {
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clr = strings.TrimLeft(clr, "#")
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if s, err := strconv.ParseInt(clr, 16, 32); err == nil {
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return int(s)
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}
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}
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return 0
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}
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var (
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greenColor = color("1ac600")
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greenColorLight = color("bfe5bf")
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yellowColor = color("ffd930")
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greyColor = color("4f545c")
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purpleColor = color("7289da")
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orangeColor = color("eb6420")
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orangeColorLight = color("e68d60")
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redColor = color("ff3232")
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)
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// Create implements PayloadConvertor Create method
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func (d discordConvertor) Create(p *api.CreatePayload) (DiscordPayload, error) {
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// created tag/branch
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refName := git.RefName(p.Ref).ShortName()
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title := fmt.Sprintf("[%s] %s %s created", p.Repo.FullName, p.RefType, refName)
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return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName), greenColor), nil
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}
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// Delete implements PayloadConvertor Delete method
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func (d discordConvertor) Delete(p *api.DeletePayload) (DiscordPayload, error) {
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// deleted tag/branch
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refName := git.RefName(p.Ref).ShortName()
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title := fmt.Sprintf("[%s] %s %s deleted", p.Repo.FullName, p.RefType, refName)
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return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName), redColor), nil
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}
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// Fork implements PayloadConvertor Fork method
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func (d discordConvertor) Fork(p *api.ForkPayload) (DiscordPayload, error) {
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title := fmt.Sprintf("%s is forked to %s", p.Forkee.FullName, p.Repo.FullName)
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return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL, greenColor), nil
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}
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// Push implements PayloadConvertor Push method
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func (d discordConvertor) Push(p *api.PushPayload) (DiscordPayload, error) {
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var (
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branchName = git.RefName(p.Ref).ShortName()
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commitDesc string
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)
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var titleLink string
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if p.TotalCommits == 1 {
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commitDesc = "1 new commit"
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titleLink = p.Commits[0].URL
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} else {
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commitDesc = fmt.Sprintf("%d new commits", p.TotalCommits)
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titleLink = p.CompareURL
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}
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if titleLink == "" {
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titleLink = p.Repo.HTMLURL + "/src/" + util.PathEscapeSegments(branchName)
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}
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title := fmt.Sprintf("[%s:%s] %s", p.Repo.FullName, branchName, commitDesc)
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var text string
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// for each commit, generate attachment text
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for i, commit := range p.Commits {
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// limit the commit message display to just the summary, otherwise it would be hard to read
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message := strings.TrimRight(strings.SplitN(commit.Message, "\n", 1)[0], "\r")
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// a limit of 50 is set because GitHub does the same
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if utf8.RuneCountInString(message) > 50 {
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message = fmt.Sprintf("%.47s...", message)
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}
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text += fmt.Sprintf("[%s](%s) %s - %s", commit.ID[:7], commit.URL, message, commit.Author.Name)
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// add linebreak to each commit but the last
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if i < len(p.Commits)-1 {
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text += "\n"
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}
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}
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return d.createPayload(p.Sender, title, text, titleLink, greenColor), nil
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}
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// Issue implements PayloadConvertor Issue method
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func (d discordConvertor) Issue(p *api.IssuePayload) (DiscordPayload, error) {
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title, _, text, color := getIssuesPayloadInfo(p, noneLinkFormatter, false)
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return d.createPayload(p.Sender, title, text, p.Issue.HTMLURL, color), nil
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}
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// IssueComment implements PayloadConvertor IssueComment method
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func (d discordConvertor) IssueComment(p *api.IssueCommentPayload) (DiscordPayload, error) {
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title, _, color := getIssueCommentPayloadInfo(p, noneLinkFormatter, false)
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return d.createPayload(p.Sender, title, p.Comment.Body, p.Comment.HTMLURL, color), nil
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}
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// PullRequest implements PayloadConvertor PullRequest method
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func (d discordConvertor) PullRequest(p *api.PullRequestPayload) (DiscordPayload, error) {
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title, _, text, color := getPullRequestPayloadInfo(p, noneLinkFormatter, false)
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return d.createPayload(p.Sender, title, text, p.PullRequest.HTMLURL, color), nil
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}
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// Review implements PayloadConvertor Review method
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func (d discordConvertor) Review(p *api.PullRequestPayload, event webhook_module.HookEventType) (DiscordPayload, error) {
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var text, title string
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var color int
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if p.Action == api.HookIssueReviewed {
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action, err := parseHookPullRequestEventType(event)
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if err != nil {
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return DiscordPayload{}, err
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}
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title = fmt.Sprintf("[%s] Pull request review %s: #%d %s", p.Repository.FullName, action, p.Index, p.PullRequest.Title)
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text = p.Review.Content
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switch event {
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case webhook_module.HookEventPullRequestReviewApproved:
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color = greenColor
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case webhook_module.HookEventPullRequestReviewRejected:
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color = redColor
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case webhook_module.HookEventPullRequestReviewComment:
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color = greyColor
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default:
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color = yellowColor
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}
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}
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return d.createPayload(p.Sender, title, text, p.PullRequest.HTMLURL, color), nil
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}
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// Repository implements PayloadConvertor Repository method
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func (d discordConvertor) Repository(p *api.RepositoryPayload) (DiscordPayload, error) {
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var title, url string
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var color int
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switch p.Action {
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case api.HookRepoCreated:
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title = fmt.Sprintf("[%s] Repository created", p.Repository.FullName)
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url = p.Repository.HTMLURL
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color = greenColor
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case api.HookRepoDeleted:
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title = fmt.Sprintf("[%s] Repository deleted", p.Repository.FullName)
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color = redColor
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}
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return d.createPayload(p.Sender, title, "", url, color), nil
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}
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// Wiki implements PayloadConvertor Wiki method
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func (d discordConvertor) Wiki(p *api.WikiPayload) (DiscordPayload, error) {
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text, color, _ := getWikiPayloadInfo(p, noneLinkFormatter, false)
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htmlLink := p.Repository.HTMLURL + "/wiki/" + url.PathEscape(p.Page)
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var description string
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if p.Action != api.HookWikiDeleted {
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description = p.Comment
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}
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return d.createPayload(p.Sender, text, description, htmlLink, color), nil
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}
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// Release implements PayloadConvertor Release method
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func (d discordConvertor) Release(p *api.ReleasePayload) (DiscordPayload, error) {
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text, color := getReleasePayloadInfo(p, noneLinkFormatter, false)
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return d.createPayload(p.Sender, text, p.Release.Note, p.Release.HTMLURL, color), nil
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}
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func (d discordConvertor) Package(p *api.PackagePayload) (DiscordPayload, error) {
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text, color := getPackagePayloadInfo(p, noneLinkFormatter, false)
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return d.createPayload(p.Sender, text, "", p.Package.HTMLURL, color), nil
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}
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type discordConvertor struct {
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Username string
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AvatarURL string
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}
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var _ shared.PayloadConvertor[DiscordPayload] = discordConvertor{}
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func (discordHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
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meta := &DiscordMeta{}
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if err := json.Unmarshal([]byte(w.Meta), meta); err != nil {
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return nil, nil, fmt.Errorf("discordHandler.NewRequest meta json: %w", err)
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}
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sc := discordConvertor{
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Username: meta.Username,
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AvatarURL: meta.IconURL,
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}
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return shared.NewJSONRequest(sc, w, t, true)
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}
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func parseHookPullRequestEventType(event webhook_module.HookEventType) (string, error) {
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switch event {
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case webhook_module.HookEventPullRequestReviewApproved:
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return "approved", nil
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case webhook_module.HookEventPullRequestReviewRejected:
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return "rejected", nil
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case webhook_module.HookEventPullRequestReviewComment:
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return "comment", nil
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default:
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return "", errors.New("unknown event type")
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}
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}
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func (d discordConvertor) createPayload(s *api.User, title, text, url string, color int) DiscordPayload {
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if len([]rune(title)) > 256 {
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title = fmt.Sprintf("%.253s...", title)
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}
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if len([]rune(text)) > 4096 {
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text = fmt.Sprintf("%.4093s...", text)
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}
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return DiscordPayload{
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Username: d.Username,
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AvatarURL: d.AvatarURL,
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Embeds: []DiscordEmbed{
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{
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Title: title,
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Description: text,
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URL: url,
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Color: color,
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Author: DiscordEmbedAuthor{
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Name: s.UserName,
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URL: setting.AppURL + s.UserName,
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IconURL: s.AvatarURL,
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},
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},
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},
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}
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}
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