bench-forgejo/routers/web/repo/wiki.go

775 lines
19 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2018 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repo
import (
"bytes"
"fmt"
"io"
"net/http"
"net/url"
"path/filepath"
"strings"
"time"
git_model "code.gitea.io/gitea/models/git"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unit"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/notification"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
"code.gitea.io/gitea/routers/common"
"code.gitea.io/gitea/services/forms"
wiki_service "code.gitea.io/gitea/services/wiki"
)
const (
tplWikiStart base.TplName = "repo/wiki/start"
tplWikiView base.TplName = "repo/wiki/view"
tplWikiRevision base.TplName = "repo/wiki/revision"
tplWikiNew base.TplName = "repo/wiki/new"
tplWikiPages base.TplName = "repo/wiki/pages"
)
// MustEnableWiki check if wiki is enabled, if external then redirect
func MustEnableWiki(ctx *context.Context) {
if !ctx.Repo.CanRead(unit.TypeWiki) &&
!ctx.Repo.CanRead(unit.TypeExternalWiki) {
if log.IsTrace() {
log.Trace("Permission Denied: User %-v cannot read %-v or %-v of repo %-v\n"+
"User in repo has Permissions: %-+v",
ctx.Doer,
unit.TypeWiki,
unit.TypeExternalWiki,
ctx.Repo.Repository,
ctx.Repo.Permission)
}
ctx.NotFound("MustEnableWiki", nil)
return
}
unit, err := ctx.Repo.Repository.GetUnit(ctx, unit.TypeExternalWiki)
if err == nil {
ctx.Redirect(unit.ExternalWikiConfig().ExternalWikiURL)
return
}
}
// PageMeta wiki page meta information
type PageMeta struct {
Name string
SubURL string
UpdatedUnix timeutil.TimeStamp
}
// 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 && !git.IsErrNotExist(err) {
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)
}
func findWikiRepoCommit(ctx *context.Context) (*git.Repository, *git.Commit, error) {
wikiRepo, err := git.OpenRepository(ctx, ctx.Repo.Repository.WikiPath())
if err != nil {
ctx.ServerError("OpenRepository", err)
return nil, nil, err
}
commit, err := wikiRepo.GetBranchCommit(wiki_service.DefaultBranch)
if err != nil {
return wikiRepo, nil, err
}
return wikiRepo, commit, nil
}
// wikiContentsByEntry returns the contents of the wiki page referenced by the
// given tree entry. Writes to ctx if an error occurs.
func wikiContentsByEntry(ctx *context.Context, entry *git.TreeEntry) []byte {
reader, err := entry.Blob().DataAsync()
if err != nil {
ctx.ServerError("Blob.Data", err)
return nil
}
defer reader.Close()
content, err := io.ReadAll(reader)
if err != nil {
ctx.ServerError("ReadAll", err)
return nil
}
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.Context, commit *git.Commit, wikiName string) ([]byte, *git.TreeEntry, string, bool) {
pageFilename := wiki_service.NameToFilename(wikiName)
entry, err := findEntryForFile(commit, pageFilename)
if err != nil && !git.IsErrNotExist(err) {
ctx.ServerError("findEntryForFile", err)
return nil, nil, "", false
} else if entry == nil {
return nil, nil, "", true
}
return wikiContentsByEntry(ctx, entry), entry, pageFilename, false
}
func renderViewPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
wikiRepo, commit, err := findWikiRepoCommit(ctx)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
if !git.IsErrNotExist(err) {
ctx.ServerError("GetBranchCommit", err)
}
return nil, nil
}
// Get page list.
entries, err := commit.ListEntries()
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
ctx.ServerError("ListEntries", err)
return nil, nil
}
pages := make([]PageMeta, 0, len(entries))
for _, entry := range entries {
if !entry.IsRegular() {
continue
}
wikiName, err := wiki_service.FilenameToName(entry.Name())
if err != nil {
if repo_model.IsErrWikiInvalidFileName(err) {
continue
}
if wikiRepo != nil {
wikiRepo.Close()
}
ctx.ServerError("WikiFilenameToName", err)
return nil, nil
} else if wikiName == "_Sidebar" || wikiName == "_Footer" {
continue
}
pages = append(pages, PageMeta{
Name: wikiName,
SubURL: wiki_service.NameToSubURL(wikiName),
})
}
ctx.Data["Pages"] = pages
// get requested pagename
pageName := wiki_service.NormalizeWikiName(ctx.Params("*"))
if len(pageName) == 0 {
pageName = "Home"
}
ctx.Data["PageURL"] = wiki_service.NameToSubURL(pageName)
ctx.Data["old_title"] = pageName
ctx.Data["Title"] = pageName
ctx.Data["title"] = pageName
isSideBar := pageName == "_Sidebar"
isFooter := pageName == "_Footer"
// lookup filename in wiki - get filecontent, gitTree entry , real filename
data, entry, pageFilename, noEntry := wikiContentsByName(ctx, commit, pageName)
if noEntry {
ctx.Redirect(ctx.Repo.RepoLink + "/wiki/?action=_pages")
}
if entry == nil || ctx.Written() {
if wikiRepo != nil {
wikiRepo.Close()
}
return nil, nil
}
var sidebarContent []byte
if !isSideBar {
sidebarContent, _, _, _ = wikiContentsByName(ctx, commit, "_Sidebar")
if ctx.Written() {
if wikiRepo != nil {
wikiRepo.Close()
}
return nil, nil
}
} else {
sidebarContent = data
}
var footerContent []byte
if !isFooter {
footerContent, _, _, _ = wikiContentsByName(ctx, commit, "_Footer")
if ctx.Written() {
if wikiRepo != nil {
wikiRepo.Close()
}
return nil, nil
}
} else {
footerContent = data
}
rctx := &markup.RenderContext{
Ctx: ctx,
URLPrefix: ctx.Repo.RepoLink,
Metas: ctx.Repo.Repository.ComposeDocumentMetas(),
IsWiki: true,
}
buf := &strings.Builder{}
renderFn := func(data []byte) (escaped *charset.EscapeStatus, output string, err error) {
markupRd, markupWr := io.Pipe()
defer markupWr.Close()
done := make(chan struct{})
go func() {
// We allow NBSP here this is rendered
escaped, _ = charset.EscapeControlReader(markupRd, buf, ctx.Locale, charset.RuneNBSP)
output = buf.String()
buf.Reset()
close(done)
}()
err = markdown.Render(rctx, bytes.NewReader(data), markupWr)
_ = markupWr.CloseWithError(err)
<-done
return escaped, output, err
}
ctx.Data["EscapeStatus"], ctx.Data["content"], err = renderFn(data)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
ctx.ServerError("Render", err)
return nil, nil
}
if !isSideBar {
buf.Reset()
ctx.Data["sidebarEscapeStatus"], ctx.Data["sidebarContent"], err = renderFn(sidebarContent)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
ctx.ServerError("Render", err)
return nil, nil
}
ctx.Data["sidebarPresent"] = sidebarContent != nil
} else {
ctx.Data["sidebarPresent"] = false
}
if !isFooter {
buf.Reset()
ctx.Data["footerEscapeStatus"], ctx.Data["footerContent"], err = renderFn(footerContent)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
ctx.ServerError("Render", err)
return nil, nil
}
ctx.Data["footerPresent"] = footerContent != nil
} else {
ctx.Data["footerPresent"] = false
}
ctx.Data["toc"] = rctx.TableOfContents
// get commit count - wiki revisions
commitsCount, _ := wikiRepo.FileCommitsCount(wiki_service.DefaultBranch, pageFilename)
ctx.Data["CommitCount"] = commitsCount
return wikiRepo, entry
}
func renderRevisionPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
wikiRepo, commit, err := findWikiRepoCommit(ctx)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
if !git.IsErrNotExist(err) {
ctx.ServerError("GetBranchCommit", err)
}
return nil, nil
}
// get requested pagename
pageName := wiki_service.NormalizeWikiName(ctx.Params("*"))
if len(pageName) == 0 {
pageName = "Home"
}
ctx.Data["PageURL"] = wiki_service.NameToSubURL(pageName)
ctx.Data["old_title"] = pageName
ctx.Data["Title"] = pageName
ctx.Data["title"] = pageName
ctx.Data["Username"] = ctx.Repo.Owner.Name
ctx.Data["Reponame"] = ctx.Repo.Repository.Name
// lookup filename in wiki - get filecontent, gitTree entry , real filename
data, entry, pageFilename, noEntry := wikiContentsByName(ctx, commit, pageName)
if noEntry {
ctx.Redirect(ctx.Repo.RepoLink + "/wiki/?action=_pages")
}
if entry == nil || ctx.Written() {
if wikiRepo != nil {
wikiRepo.Close()
}
return nil, nil
}
ctx.Data["content"] = string(data)
ctx.Data["sidebarPresent"] = false
ctx.Data["sidebarContent"] = ""
ctx.Data["footerPresent"] = false
ctx.Data["footerContent"] = ""
// get commit count - wiki revisions
commitsCount, _ := wikiRepo.FileCommitsCount(wiki_service.DefaultBranch, pageFilename)
ctx.Data["CommitCount"] = commitsCount
// get page
page := ctx.FormInt("page")
if page <= 1 {
page = 1
}
// get Commit Count
commitsHistory, err := wikiRepo.CommitsByFileAndRange(wiki_service.DefaultBranch, pageFilename, page)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
ctx.ServerError("CommitsByFileAndRange", err)
return nil, nil
}
ctx.Data["Commits"] = git_model.ConvertFromGitCommit(commitsHistory, ctx.Repo.Repository)
pager := context.NewPagination(int(commitsCount), setting.Git.CommitsRangeSize, page, 5)
pager.SetDefaultParams(ctx)
ctx.Data["Page"] = pager
return wikiRepo, entry
}
func renderEditPage(ctx *context.Context) {
wikiRepo, commit, err := findWikiRepoCommit(ctx)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
if !git.IsErrNotExist(err) {
ctx.ServerError("GetBranchCommit", err)
}
return
}
defer func() {
if wikiRepo != nil {
wikiRepo.Close()
}
}()
// get requested pagename
pageName := wiki_service.NormalizeWikiName(ctx.Params("*"))
if len(pageName) == 0 {
pageName = "Home"
}
ctx.Data["PageURL"] = wiki_service.NameToSubURL(pageName)
ctx.Data["old_title"] = pageName
ctx.Data["Title"] = pageName
ctx.Data["title"] = pageName
// lookup filename in wiki - get filecontent, gitTree entry , real filename
data, entry, _, noEntry := wikiContentsByName(ctx, commit, pageName)
if noEntry {
ctx.Redirect(ctx.Repo.RepoLink + "/wiki/?action=_pages")
}
if entry == nil || ctx.Written() {
return
}
ctx.Data["content"] = string(data)
ctx.Data["sidebarPresent"] = false
ctx.Data["sidebarContent"] = ""
ctx.Data["footerPresent"] = false
ctx.Data["footerContent"] = ""
}
// WikiPost renders post of wiki page
func WikiPost(ctx *context.Context) {
switch ctx.FormString("action") {
case "_new":
if !ctx.Repo.CanWrite(unit.TypeWiki) {
ctx.NotFound(ctx.Req.URL.RequestURI(), nil)
return
}
NewWikiPost(ctx)
return
case "_delete":
if !ctx.Repo.CanWrite(unit.TypeWiki) {
ctx.NotFound(ctx.Req.URL.RequestURI(), nil)
return
}
DeleteWikiPagePost(ctx)
return
}
if !ctx.Repo.CanWrite(unit.TypeWiki) {
ctx.NotFound(ctx.Req.URL.RequestURI(), nil)
return
}
EditWikiPost(ctx)
}
// Wiki renders single wiki page
func Wiki(ctx *context.Context) {
ctx.Data["CanWriteWiki"] = ctx.Repo.CanWrite(unit.TypeWiki) && !ctx.Repo.Repository.IsArchived
switch ctx.FormString("action") {
case "_pages":
WikiPages(ctx)
return
case "_revision":
WikiRevision(ctx)
return
case "_edit":
if !ctx.Repo.CanWrite(unit.TypeWiki) {
ctx.NotFound(ctx.Req.URL.RequestURI(), nil)
return
}
EditWiki(ctx)
return
case "_new":
if !ctx.Repo.CanWrite(unit.TypeWiki) {
ctx.NotFound(ctx.Req.URL.RequestURI(), nil)
return
}
NewWiki(ctx)
return
}
if !ctx.Repo.Repository.HasWiki() {
ctx.Data["Title"] = ctx.Tr("repo.wiki")
ctx.HTML(http.StatusOK, tplWikiStart)
return
}
wikiRepo, entry := renderViewPage(ctx)
defer func() {
if wikiRepo != nil {
wikiRepo.Close()
}
}()
if ctx.Written() {
return
}
if entry == nil {
ctx.Data["Title"] = ctx.Tr("repo.wiki")
ctx.HTML(http.StatusOK, tplWikiStart)
return
}
wikiPath := entry.Name()
if markup.Type(wikiPath) != markdown.MarkupName {
ext := strings.ToUpper(filepath.Ext(wikiPath))
ctx.Data["FormatWarning"] = fmt.Sprintf("%s rendering is not supported at the moment. Rendered as Markdown.", ext)
}
// Get last change information.
lastCommit, err := wikiRepo.GetCommitByPath(wikiPath)
if err != nil {
ctx.ServerError("GetCommitByPath", err)
return
}
ctx.Data["Author"] = lastCommit.Author
ctx.HTML(http.StatusOK, tplWikiView)
}
// WikiRevision renders file revision list of wiki page
func WikiRevision(ctx *context.Context) {
ctx.Data["CanWriteWiki"] = ctx.Repo.CanWrite(unit.TypeWiki) && !ctx.Repo.Repository.IsArchived
if !ctx.Repo.Repository.HasWiki() {
ctx.Data["Title"] = ctx.Tr("repo.wiki")
ctx.HTML(http.StatusOK, tplWikiStart)
return
}
wikiRepo, entry := renderRevisionPage(ctx)
defer func() {
if wikiRepo != nil {
wikiRepo.Close()
}
}()
if ctx.Written() {
return
}
if entry == nil {
ctx.Data["Title"] = ctx.Tr("repo.wiki")
ctx.HTML(http.StatusOK, tplWikiStart)
return
}
// Get last change information.
wikiPath := entry.Name()
lastCommit, err := wikiRepo.GetCommitByPath(wikiPath)
if err != nil {
ctx.ServerError("GetCommitByPath", err)
return
}
ctx.Data["Author"] = lastCommit.Author
ctx.HTML(http.StatusOK, tplWikiRevision)
}
// WikiPages render wiki pages list page
func WikiPages(ctx *context.Context) {
if !ctx.Repo.Repository.HasWiki() {
ctx.Redirect(ctx.Repo.RepoLink + "/wiki")
return
}
ctx.Data["Title"] = ctx.Tr("repo.wiki.pages")
ctx.Data["CanWriteWiki"] = ctx.Repo.CanWrite(unit.TypeWiki) && !ctx.Repo.Repository.IsArchived
wikiRepo, commit, err := findWikiRepoCommit(ctx)
if err != nil {
if wikiRepo != nil {
wikiRepo.Close()
}
return
}
defer func() {
if wikiRepo != nil {
wikiRepo.Close()
}
}()
entries, err := commit.ListEntries()
if err != nil {
ctx.ServerError("ListEntries", err)
return
}
pages := make([]PageMeta, 0, len(entries))
for _, entry := range entries {
if !entry.IsRegular() {
continue
}
c, err := wikiRepo.GetCommitByPath(entry.Name())
if err != nil {
ctx.ServerError("GetCommit", err)
return
}
wikiName, err := wiki_service.FilenameToName(entry.Name())
if err != nil {
if repo_model.IsErrWikiInvalidFileName(err) {
continue
}
ctx.ServerError("WikiFilenameToName", err)
return
}
pages = append(pages, PageMeta{
Name: wikiName,
SubURL: wiki_service.NameToSubURL(wikiName),
UpdatedUnix: timeutil.TimeStamp(c.Author.When.Unix()),
})
}
ctx.Data["Pages"] = pages
ctx.HTML(http.StatusOK, tplWikiPages)
}
// WikiRaw outputs raw blob requested by user (image for example)
func WikiRaw(ctx *context.Context) {
wikiRepo, commit, err := findWikiRepoCommit(ctx)
defer func() {
if wikiRepo != nil {
wikiRepo.Close()
}
}()
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("findEntryForFile", nil)
return
}
ctx.ServerError("findEntryForfile", err)
return
}
providedPath := ctx.Params("*")
var entry *git.TreeEntry
if commit != nil {
// Try to find a file with that name
entry, err = findEntryForFile(commit, providedPath)
if err != nil && !git.IsErrNotExist(err) {
ctx.ServerError("findFile", err)
return
}
if entry == nil {
// Try to find a wiki page with that name
providedPath = strings.TrimSuffix(providedPath, ".md")
wikiPath := wiki_service.NameToFilename(providedPath)
entry, err = findEntryForFile(commit, wikiPath)
if err != nil && !git.IsErrNotExist(err) {
ctx.ServerError("findFile", err)
return
}
}
}
if entry != nil {
if err = common.ServeBlob(ctx, entry.Blob(), time.Time{}); err != nil {
ctx.ServerError("ServeBlob", err)
}
return
}
ctx.NotFound("findEntryForFile", nil)
}
// NewWiki render wiki create page
func NewWiki(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.wiki.new_page")
if !ctx.Repo.Repository.HasWiki() {
ctx.Data["title"] = "Home"
}
if ctx.FormString("title") != "" {
ctx.Data["title"] = ctx.FormString("title")
}
ctx.HTML(http.StatusOK, tplWikiNew)
}
// NewWikiPost response for wiki create request
func NewWikiPost(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.NewWikiForm)
ctx.Data["Title"] = ctx.Tr("repo.wiki.new_page")
if ctx.HasError() {
ctx.HTML(http.StatusOK, tplWikiNew)
return
}
if util.IsEmptyString(form.Title) {
ctx.RenderWithErr(ctx.Tr("repo.issues.new.title_empty"), tplWikiNew, form)
return
}
wikiName := wiki_service.NormalizeWikiName(form.Title)
if len(form.Message) == 0 {
form.Message = ctx.Tr("repo.editor.add", form.Title)
}
if err := wiki_service.AddWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, wikiName, form.Content, form.Message); err != nil {
if repo_model.IsErrWikiReservedName(err) {
ctx.Data["Err_Title"] = true
ctx.RenderWithErr(ctx.Tr("repo.wiki.reserved_page", wikiName), tplWikiNew, &form)
} else if repo_model.IsErrWikiAlreadyExist(err) {
ctx.Data["Err_Title"] = true
ctx.RenderWithErr(ctx.Tr("repo.wiki.page_already_exists"), tplWikiNew, &form)
} else {
ctx.ServerError("AddWikiPage", err)
}
return
}
notification.NotifyNewWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, wikiName, form.Message)
ctx.Redirect(ctx.Repo.RepoLink + "/wiki/" + wiki_service.NameToSubURL(wikiName))
}
// EditWiki render wiki modify page
func EditWiki(ctx *context.Context) {
ctx.Data["PageIsWikiEdit"] = true
if !ctx.Repo.Repository.HasWiki() {
ctx.Redirect(ctx.Repo.RepoLink + "/wiki")
return
}
renderEditPage(ctx)
if ctx.Written() {
return
}
ctx.HTML(http.StatusOK, tplWikiNew)
}
// EditWikiPost response for wiki modify request
func EditWikiPost(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.NewWikiForm)
ctx.Data["Title"] = ctx.Tr("repo.wiki.new_page")
if ctx.HasError() {
ctx.HTML(http.StatusOK, tplWikiNew)
return
}
oldWikiName := wiki_service.NormalizeWikiName(ctx.Params("*"))
newWikiName := wiki_service.NormalizeWikiName(form.Title)
if len(form.Message) == 0 {
form.Message = ctx.Tr("repo.editor.update", form.Title)
}
if err := wiki_service.EditWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, oldWikiName, newWikiName, form.Content, form.Message); err != nil {
ctx.ServerError("EditWikiPage", err)
return
}
notification.NotifyEditWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, newWikiName, form.Message)
ctx.Redirect(ctx.Repo.RepoLink + "/wiki/" + wiki_service.NameToSubURL(newWikiName))
}
// DeleteWikiPagePost delete wiki page
func DeleteWikiPagePost(ctx *context.Context) {
wikiName := wiki_service.NormalizeWikiName(ctx.Params("*"))
if len(wikiName) == 0 {
wikiName = "Home"
}
if err := wiki_service.DeleteWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, wikiName); err != nil {
ctx.ServerError("DeleteWikiPage", err)
return
}
notification.NotifyDeleteWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, wikiName)
ctx.JSON(http.StatusOK, map[string]interface{}{
"redirect": ctx.Repo.RepoLink + "/wiki/",
})
}