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https://codeberg.org/forgejo/forgejo.git
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bbffcc3aec
There are multiple places where Gitea does not properly escape URLs that it is building and there are multiple places where it builds urls when there is already a simpler function available to use this. This is an extensive PR attempting to fix these issues. 1. The first commit in this PR looks through all href, src and links in the Gitea codebase and has attempted to catch all the places where there is potentially incomplete escaping. 2. Whilst doing this we will prefer to use functions that create URLs over recreating them by hand. 3. All uses of strings should be directly escaped - even if they are not currently expected to contain escaping characters. The main benefit to doing this will be that we can consider relaxing the constraints on user names and reponames in future. 4. The next commit looks at escaping in the wiki and re-considers the urls that are used there. Using the improved escaping here wiki files containing '/'. (This implementation will currently still place all of the wiki files the root directory of the repo but this would not be difficult to change.) 5. The title generation in feeds is now properly escaped. 6. EscapePound is no longer needed - urls should be PathEscaped / QueryEscaped as necessary but then re-escaped with Escape when creating html with locales Signed-off-by: Andrew Thornton <art27@cantab.net> Signed-off-by: Andrew Thornton <art27@cantab.net>
330 lines
8.5 KiB
Go
330 lines
8.5 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package webhook
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import (
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"fmt"
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"strings"
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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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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/util"
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)
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type (
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// MSTeamsFact for Fact Structure
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MSTeamsFact 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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// MSTeamsSection is a MessageCard section
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MSTeamsSection struct {
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ActivityTitle string `json:"activityTitle"`
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ActivitySubtitle string `json:"activitySubtitle"`
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ActivityImage string `json:"activityImage"`
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Facts []MSTeamsFact `json:"facts"`
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Text string `json:"text"`
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}
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// MSTeamsAction is an action (creates buttons, links etc)
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MSTeamsAction struct {
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Type string `json:"@type"`
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Name string `json:"name"`
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Targets []MSTeamsActionTarget `json:"targets,omitempty"`
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}
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// MSTeamsActionTarget is the actual link to follow, etc
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MSTeamsActionTarget struct {
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Os string `json:"os"`
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URI string `json:"uri"`
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}
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// MSTeamsPayload is the parent object
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MSTeamsPayload struct {
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Type string `json:"@type"`
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Context string `json:"@context"`
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ThemeColor string `json:"themeColor"`
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Title string `json:"title"`
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Summary string `json:"summary"`
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Sections []MSTeamsSection `json:"sections"`
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PotentialAction []MSTeamsAction `json:"potentialAction"`
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}
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)
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// JSONPayload Marshals the MSTeamsPayload to json
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func (m *MSTeamsPayload) JSONPayload() ([]byte, error) {
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data, err := json.MarshalIndent(m, "", " ")
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if err != nil {
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return []byte{}, err
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}
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return data, nil
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}
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var (
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_ PayloadConvertor = &MSTeamsPayload{}
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)
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// Create implements PayloadConvertor Create method
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func (m *MSTeamsPayload) Create(p *api.CreatePayload) (api.Payloader, error) {
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// created tag/branch
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refName := git.RefEndName(p.Ref)
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title := fmt.Sprintf("[%s] %s %s created", p.Repo.FullName, p.RefType, refName)
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return createMSTeamsPayload(
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p.Repo,
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p.Sender,
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title,
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"",
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p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName),
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greenColor,
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&MSTeamsFact{fmt.Sprintf("%s:", p.RefType), refName},
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), nil
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}
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// Delete implements PayloadConvertor Delete method
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func (m *MSTeamsPayload) Delete(p *api.DeletePayload) (api.Payloader, error) {
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// deleted tag/branch
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refName := git.RefEndName(p.Ref)
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title := fmt.Sprintf("[%s] %s %s deleted", p.Repo.FullName, p.RefType, refName)
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return createMSTeamsPayload(
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p.Repo,
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p.Sender,
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title,
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"",
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p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName),
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yellowColor,
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&MSTeamsFact{fmt.Sprintf("%s:", p.RefType), refName},
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), nil
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}
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// Fork implements PayloadConvertor Fork method
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func (m *MSTeamsPayload) Fork(p *api.ForkPayload) (api.Payloader, error) {
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title := fmt.Sprintf("%s is forked to %s", p.Forkee.FullName, p.Repo.FullName)
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return createMSTeamsPayload(
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p.Repo,
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p.Sender,
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title,
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"",
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p.Repo.HTMLURL,
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greenColor,
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&MSTeamsFact{"Forkee:", p.Forkee.FullName},
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), nil
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}
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// Push implements PayloadConvertor Push method
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func (m *MSTeamsPayload) Push(p *api.PushPayload) (api.Payloader, error) {
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var (
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branchName = git.RefEndName(p.Ref)
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commitDesc string
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)
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var titleLink string
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if len(p.Commits) == 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", len(p.Commits))
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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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text += fmt.Sprintf("[%s](%s) %s - %s", commit.ID[:7], commit.URL,
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strings.TrimRight(commit.Message, "\r\n"), 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\n"
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}
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}
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return createMSTeamsPayload(
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p.Repo,
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p.Sender,
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title,
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text,
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titleLink,
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greenColor,
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&MSTeamsFact{"Commit count:", fmt.Sprintf("%d", len(p.Commits))},
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), nil
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}
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// Issue implements PayloadConvertor Issue method
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func (m *MSTeamsPayload) Issue(p *api.IssuePayload) (api.Payloader, error) {
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title, _, attachmentText, color := getIssuesPayloadInfo(p, noneLinkFormatter, false)
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return createMSTeamsPayload(
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p.Repository,
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p.Sender,
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title,
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attachmentText,
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p.Issue.HTMLURL,
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color,
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&MSTeamsFact{"Issue #:", fmt.Sprintf("%d", p.Issue.ID)},
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), nil
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}
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// IssueComment implements PayloadConvertor IssueComment method
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func (m *MSTeamsPayload) IssueComment(p *api.IssueCommentPayload) (api.Payloader, error) {
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title, _, color := getIssueCommentPayloadInfo(p, noneLinkFormatter, false)
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return createMSTeamsPayload(
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p.Repository,
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p.Sender,
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title,
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p.Comment.Body,
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p.Comment.HTMLURL,
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color,
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&MSTeamsFact{"Issue #:", fmt.Sprintf("%d", p.Issue.ID)},
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), nil
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}
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// PullRequest implements PayloadConvertor PullRequest method
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func (m *MSTeamsPayload) PullRequest(p *api.PullRequestPayload) (api.Payloader, error) {
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title, _, attachmentText, color := getPullRequestPayloadInfo(p, noneLinkFormatter, false)
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return createMSTeamsPayload(
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p.Repository,
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p.Sender,
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title,
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attachmentText,
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p.PullRequest.HTMLURL,
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color,
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&MSTeamsFact{"Pull request #:", fmt.Sprintf("%d", p.PullRequest.ID)},
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), nil
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}
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// Review implements PayloadConvertor Review method
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func (m *MSTeamsPayload) Review(p *api.PullRequestPayload, event webhook_model.HookEventType) (api.Payloader, error) {
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var text, title string
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var color int
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switch p.Action {
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case api.HookIssueReviewed:
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action, err := parseHookPullRequestEventType(event)
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if err != nil {
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return nil, 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_model.HookEventPullRequestReviewApproved:
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color = greenColor
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case webhook_model.HookEventPullRequestReviewRejected:
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color = redColor
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case webhook_model.HookEventPullRequestComment:
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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 createMSTeamsPayload(
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p.Repository,
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p.Sender,
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title,
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text,
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p.PullRequest.HTMLURL,
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color,
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&MSTeamsFact{"Pull request #:", fmt.Sprintf("%d", p.PullRequest.ID)},
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), nil
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}
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// Repository implements PayloadConvertor Repository method
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func (m *MSTeamsPayload) Repository(p *api.RepositoryPayload) (api.Payloader, 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 = yellowColor
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}
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return createMSTeamsPayload(
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p.Repository,
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p.Sender,
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title,
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"",
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url,
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color,
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nil,
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), nil
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}
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// Release implements PayloadConvertor Release method
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func (m *MSTeamsPayload) Release(p *api.ReleasePayload) (api.Payloader, error) {
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title, color := getReleasePayloadInfo(p, noneLinkFormatter, false)
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return createMSTeamsPayload(
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p.Repository,
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p.Sender,
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title,
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"",
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p.Release.URL,
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color,
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&MSTeamsFact{"Tag:", p.Release.TagName},
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), nil
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}
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// GetMSTeamsPayload converts a MSTeams webhook into a MSTeamsPayload
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func GetMSTeamsPayload(p api.Payloader, event webhook_model.HookEventType, meta string) (api.Payloader, error) {
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return convertPayloader(new(MSTeamsPayload), p, event)
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}
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func createMSTeamsPayload(r *api.Repository, s *api.User, title, text, actionTarget string, color int, fact *MSTeamsFact) *MSTeamsPayload {
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facts := []MSTeamsFact{
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{
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Name: "Repository:",
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Value: r.FullName,
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},
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}
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if fact != nil {
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facts = append(facts, *fact)
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}
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return &MSTeamsPayload{
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Type: "MessageCard",
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Context: "https://schema.org/extensions",
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ThemeColor: fmt.Sprintf("%x", color),
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Title: title,
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Summary: title,
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Sections: []MSTeamsSection{
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{
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ActivityTitle: s.FullName,
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ActivitySubtitle: s.UserName,
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ActivityImage: s.AvatarURL,
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Text: text,
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Facts: facts,
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},
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},
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PotentialAction: []MSTeamsAction{
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{
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Type: "OpenUri",
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Name: "View in Gitea",
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Targets: []MSTeamsActionTarget{
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{
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Os: "default",
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URI: actionTarget,
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},
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},
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},
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},
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}
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}
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