forgejo/routers/api/v1/repo/wiki.go
Aaron F 3963625b6e
Webhook for Wiki changes (#20219)
Add support for triggering webhook notifications on wiki changes.

This PR contains frontend and backend for webhook notifications on wiki actions (create a new page, rename a page, edit a page and delete a page). The frontend got a new checkbox under the Custom Event -> Repository Events section. There is only one checkbox for create/edit/rename/delete actions, because it makes no sense to separate it and others like releases or packages follow the same schema.

![image](https://user-images.githubusercontent.com/121972/177018803-26851196-831f-4fde-9a4c-9e639b0e0d6b.png)

The actions itself are separated, so that different notifications will be executed (with the "action" field). All the webhook receivers implement the new interface method (Wiki) and the corresponding tests.

When implementing this, I encounter a little bug on editing a wiki page. Creating and editing a wiki page is technically the same action and will be handled by the ```updateWikiPage``` function. But the function need to know if it is a new wiki page or just a change. This distinction is done by the ```action``` parameter, but this will not be sent by the frontend (on form submit). This PR will fix this by adding the ```action``` parameter with the values ```_new``` or ```_edit```, which will be used by the ```updateWikiPage``` function.

I've done integration tests with matrix and gitea (http).

![image](https://user-images.githubusercontent.com/121972/177018795-eb5cdc01-9ba3-483e-a6b7-ed0e313a71fb.png)

Fix #16457

Signed-off-by: Aaron Fischer <mail@aaron-fischer.net>
2022-09-04 20:54:23 +01:00

520 lines
14 KiB
Go

// Copyright 2021 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 repo
import (
"encoding/base64"
"fmt"
"net/http"
"net/url"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/convert"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/notification"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
wiki_service "code.gitea.io/gitea/services/wiki"
)
// NewWikiPage response for wiki create request
func NewWikiPage(ctx *context.APIContext) {
// swagger:operation POST /repos/{owner}/{repo}/wiki/new repository repoCreateWikiPage
// ---
// summary: Create a wiki page
// consumes:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: body
// in: body
// schema:
// "$ref": "#/definitions/CreateWikiPageOptions"
// responses:
// "201":
// "$ref": "#/responses/WikiPage"
// "400":
// "$ref": "#/responses/error"
// "403":
// "$ref": "#/responses/forbidden"
form := web.GetForm(ctx).(*api.CreateWikiPageOptions)
if util.IsEmptyString(form.Title) {
ctx.Error(http.StatusBadRequest, "emptyTitle", nil)
return
}
wikiName := wiki_service.NormalizeWikiName(form.Title)
if len(form.Message) == 0 {
form.Message = fmt.Sprintf("Add '%s'", form.Title)
}
content, err := base64.StdEncoding.DecodeString(form.ContentBase64)
if err != nil {
ctx.Error(http.StatusBadRequest, "invalid base64 encoding of content", err)
return
}
form.ContentBase64 = string(content)
if err := wiki_service.AddWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, wikiName, form.ContentBase64, form.Message); err != nil {
if repo_model.IsErrWikiReservedName(err) {
ctx.Error(http.StatusBadRequest, "IsErrWikiReservedName", err)
} else if repo_model.IsErrWikiAlreadyExist(err) {
ctx.Error(http.StatusBadRequest, "IsErrWikiAlreadyExists", err)
} else {
ctx.Error(http.StatusInternalServerError, "AddWikiPage", err)
}
return
}
wikiPage := getWikiPage(ctx, wikiName)
if !ctx.Written() {
notification.NotifyNewWikiPage(ctx.Doer, ctx.Repo.Repository, wikiName, form.Message)
ctx.JSON(http.StatusCreated, wikiPage)
}
}
// EditWikiPage response for wiki modify request
func EditWikiPage(ctx *context.APIContext) {
// swagger:operation PATCH /repos/{owner}/{repo}/wiki/page/{pageName} repository repoEditWikiPage
// ---
// summary: Edit a wiki page
// consumes:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: pageName
// in: path
// description: name of the page
// type: string
// required: true
// - name: body
// in: body
// schema:
// "$ref": "#/definitions/CreateWikiPageOptions"
// responses:
// "200":
// "$ref": "#/responses/WikiPage"
// "400":
// "$ref": "#/responses/error"
// "403":
// "$ref": "#/responses/forbidden"
form := web.GetForm(ctx).(*api.CreateWikiPageOptions)
oldWikiName := wiki_service.NormalizeWikiName(ctx.Params(":pageName"))
newWikiName := wiki_service.NormalizeWikiName(form.Title)
if len(newWikiName) == 0 {
newWikiName = oldWikiName
}
if len(form.Message) == 0 {
form.Message = fmt.Sprintf("Update '%s'", newWikiName)
}
content, err := base64.StdEncoding.DecodeString(form.ContentBase64)
if err != nil {
ctx.Error(http.StatusBadRequest, "invalid base64 encoding of content", err)
return
}
form.ContentBase64 = string(content)
if err := wiki_service.EditWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, oldWikiName, newWikiName, form.ContentBase64, form.Message); err != nil {
ctx.Error(http.StatusInternalServerError, "EditWikiPage", err)
return
}
wikiPage := getWikiPage(ctx, newWikiName)
if !ctx.Written() {
notification.NotifyEditWikiPage(ctx.Doer, ctx.Repo.Repository, newWikiName, form.Message)
ctx.JSON(http.StatusOK, wikiPage)
}
}
func getWikiPage(ctx *context.APIContext, title string) *api.WikiPage {
title = wiki_service.NormalizeWikiName(title)
wikiRepo, commit := findWikiRepoCommit(ctx)
if wikiRepo != nil {
defer wikiRepo.Close()
}
if ctx.Written() {
return nil
}
// lookup filename in wiki - get filecontent, real filename
content, pageFilename := wikiContentsByName(ctx, commit, title, false)
if ctx.Written() {
return nil
}
sidebarContent, _ := wikiContentsByName(ctx, commit, "_Sidebar", true)
if ctx.Written() {
return nil
}
footerContent, _ := wikiContentsByName(ctx, commit, "_Footer", true)
if ctx.Written() {
return nil
}
// get commit count - wiki revisions
commitsCount, _ := wikiRepo.FileCommitsCount("master", pageFilename)
// Get last change information.
lastCommit, err := wikiRepo.GetCommitByPath(pageFilename)
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetCommitByPath", err)
return nil
}
return &api.WikiPage{
WikiPageMetaData: convert.ToWikiPageMetaData(title, lastCommit, ctx.Repo.Repository),
ContentBase64: content,
CommitCount: commitsCount,
Sidebar: sidebarContent,
Footer: footerContent,
}
}
// DeleteWikiPage delete wiki page
func DeleteWikiPage(ctx *context.APIContext) {
// swagger:operation DELETE /repos/{owner}/{repo}/wiki/page/{pageName} repository repoDeleteWikiPage
// ---
// summary: Delete a wiki page
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: pageName
// in: path
// description: name of the page
// type: string
// required: true
// responses:
// "204":
// "$ref": "#/responses/empty"
// "403":
// "$ref": "#/responses/forbidden"
// "404":
// "$ref": "#/responses/notFound"
wikiName := wiki_service.NormalizeWikiName(ctx.Params(":pageName"))
if err := wiki_service.DeleteWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, wikiName); err != nil {
if err.Error() == "file does not exist" {
ctx.NotFound(err)
return
}
ctx.Error(http.StatusInternalServerError, "DeleteWikiPage", err)
return
}
notification.NotifyDeleteWikiPage(ctx.Doer, ctx.Repo.Repository, wikiName)
ctx.Status(http.StatusNoContent)
}
// ListWikiPages get wiki pages list
func ListWikiPages(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/wiki/pages repository repoGetWikiPages
// ---
// summary: Get all wiki pages
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: page
// in: query
// description: page number of results to return (1-based)
// type: integer
// - name: limit
// in: query
// description: page size of results
// type: integer
// responses:
// "200":
// "$ref": "#/responses/WikiPageList"
// "404":
// "$ref": "#/responses/notFound"
wikiRepo, commit := findWikiRepoCommit(ctx)
if wikiRepo != nil {
defer wikiRepo.Close()
}
if ctx.Written() {
return
}
page := ctx.FormInt("page")
if page <= 1 {
page = 1
}
limit := ctx.FormInt("limit")
if limit <= 1 {
limit = setting.API.DefaultPagingNum
}
skip := (page - 1) * limit
max := page * limit
entries, err := commit.ListEntries()
if err != nil {
ctx.ServerError("ListEntries", err)
return
}
pages := make([]*api.WikiPageMetaData, 0, len(entries))
for i, entry := range entries {
if i < skip || i >= max || !entry.IsRegular() {
continue
}
c, err := wikiRepo.GetCommitByPath(entry.Name())
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetCommit", err)
return
}
wikiName, err := wiki_service.FilenameToName(entry.Name())
if err != nil {
if repo_model.IsErrWikiInvalidFileName(err) {
continue
}
ctx.Error(http.StatusInternalServerError, "WikiFilenameToName", err)
return
}
pages = append(pages, convert.ToWikiPageMetaData(wikiName, c, ctx.Repo.Repository))
}
ctx.SetTotalCountHeader(int64(len(entries)))
ctx.JSON(http.StatusOK, pages)
}
// GetWikiPage get single wiki page
func GetWikiPage(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/wiki/page/{pageName} repository repoGetWikiPage
// ---
// summary: Get a wiki page
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: pageName
// in: path
// description: name of the page
// type: string
// required: true
// responses:
// "200":
// "$ref": "#/responses/WikiPage"
// "404":
// "$ref": "#/responses/notFound"
// get requested pagename
pageName := wiki_service.NormalizeWikiName(ctx.Params(":pageName"))
wikiPage := getWikiPage(ctx, pageName)
if !ctx.Written() {
ctx.JSON(http.StatusOK, wikiPage)
}
}
// ListPageRevisions renders file revision list of wiki page
func ListPageRevisions(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/wiki/revisions/{pageName} repository repoGetWikiPageRevisions
// ---
// summary: Get revisions of a wiki page
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: pageName
// in: path
// description: name of the page
// type: string
// required: true
// - name: page
// in: query
// description: page number of results to return (1-based)
// type: integer
// responses:
// "200":
// "$ref": "#/responses/WikiCommitList"
// "404":
// "$ref": "#/responses/notFound"
wikiRepo, commit := findWikiRepoCommit(ctx)
if wikiRepo != nil {
defer wikiRepo.Close()
}
if ctx.Written() {
return
}
// get requested pagename
pageName := wiki_service.NormalizeWikiName(ctx.Params(":pageName"))
if len(pageName) == 0 {
pageName = "Home"
}
// lookup filename in wiki - get filecontent, gitTree entry , real filename
_, pageFilename := wikiContentsByName(ctx, commit, pageName, false)
if ctx.Written() {
return
}
// get commit count - wiki revisions
commitsCount, _ := wikiRepo.FileCommitsCount("master", pageFilename)
page := ctx.FormInt("page")
if page <= 1 {
page = 1
}
// get Commit Count
commitsHistory, err := wikiRepo.CommitsByFileAndRange("master", pageFilename, page)
if err != nil {
ctx.Error(http.StatusInternalServerError, "CommitsByFileAndRange", err)
return
}
ctx.SetTotalCountHeader(commitsCount)
ctx.JSON(http.StatusOK, convert.ToWikiCommitList(commitsHistory, commitsCount))
}
// findEntryForFile finds the tree entry for a target filepath.
func findEntryForFile(commit *git.Commit, target string) (*git.TreeEntry, error) {
entry, err := commit.GetTreeEntryByPath(target)
if err != nil {
return nil, err
}
if entry != nil {
return entry, nil
}
// Then the unescaped, shortest alternative
var unescapedTarget string
if unescapedTarget, err = url.QueryUnescape(target); err != nil {
return nil, err
}
return commit.GetTreeEntryByPath(unescapedTarget)
}
// findWikiRepoCommit opens the wiki repo and returns the latest commit, writing to context on error.
// The caller is responsible for closing the returned repo again
func findWikiRepoCommit(ctx *context.APIContext) (*git.Repository, *git.Commit) {
wikiRepo, err := git.OpenRepository(ctx, ctx.Repo.Repository.WikiPath())
if err != nil {
if git.IsErrNotExist(err) || err.Error() == "no such file or directory" {
ctx.NotFound(err)
} else {
ctx.Error(http.StatusInternalServerError, "OpenRepository", err)
}
return nil, nil
}
commit, err := wikiRepo.GetBranchCommit("master")
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound(err)
} else {
ctx.Error(http.StatusInternalServerError, "GetBranchCommit", err)
}
return wikiRepo, nil
}
return wikiRepo, commit
}
// wikiContentsByEntry returns the contents of the wiki page referenced by the
// given tree entry, encoded with base64. Writes to ctx if an error occurs.
func wikiContentsByEntry(ctx *context.APIContext, entry *git.TreeEntry) string {
blob := entry.Blob()
if blob.Size() > setting.API.DefaultMaxBlobSize {
return ""
}
content, err := blob.GetBlobContentBase64()
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetBlobContentBase64", err)
return ""
}
return content
}
// wikiContentsByName returns the contents of a wiki page, along with a boolean
// indicating whether the page exists. Writes to ctx if an error occurs.
func wikiContentsByName(ctx *context.APIContext, commit *git.Commit, wikiName string, isSidebarOrFooter bool) (string, string) {
pageFilename := wiki_service.NameToFilename(wikiName)
entry, err := findEntryForFile(commit, pageFilename)
if err != nil {
if git.IsErrNotExist(err) {
if !isSidebarOrFooter {
ctx.NotFound()
}
} else {
ctx.ServerError("findEntryForFile", err)
}
return "", ""
}
return wikiContentsByEntry(ctx, entry), pageFilename
}