Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

1 files changed, 816 insertions, 0 deletions

diff --git a/routers/web/repo/wiki.go b/routers/web/repo/wiki.go
new file mode 100644
index 0000000..1fd0800
--- /dev/null
+++ b/routers/web/repo/wiki.go
@@ -0,0 +1,816 @@
+// 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"
+
+	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/git"
+	"code.gitea.io/gitea/modules/gitrepo"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/markup"
+	"code.gitea.io/gitea/modules/markup/markdown"
+	"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/context"
+	"code.gitea.io/gitea/services/forms"
+	notify_service "code.gitea.io/gitea/services/notify"
+	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"
+	tplWikiSearch   base.TplName = "repo/wiki/search"
+)
+
+// 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
+	GitEntryName 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, the 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 := gitrepo.OpenWikiRepository(ctx, ctx.Repo.Repository)
+	if err != nil {
+		ctx.ServerError("OpenRepository", err)
+		return nil, nil, err
+	}
+
+	commit, err := wikiRepo.GetBranchCommit(ctx.Repo.Repository.GetWikiBranchName())
+	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 wiki_service.WebPath) ([]byte, *git.TreeEntry, string, bool) {
+	gitFilename := wiki_service.WebPathToGitPath(wikiName)
+	entry, err := findEntryForFile(commit, gitFilename)
+	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, gitFilename, 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.GitPathToWebPath(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
+		}
+		_, displayName := wiki_service.WebPathToUserTitle(wikiName)
+		pages = append(pages, PageMeta{
+			Name:         displayName,
+			SubURL:       wiki_service.WebPathToURLPath(wikiName),
+			GitEntryName: entry.Name(),
+		})
+	}
+	ctx.Data["Pages"] = pages
+
+	// get requested page name
+	pageName := wiki_service.WebPathFromRequest(ctx.PathParamRaw("*"))
+	if len(pageName) == 0 {
+		pageName = "Home"
+	}
+
+	_, displayName := wiki_service.WebPathToUserTitle(pageName)
+	ctx.Data["PageURL"] = wiki_service.WebPathToURLPath(pageName)
+	ctx.Data["old_title"] = displayName
+	ctx.Data["Title"] = displayName
+	ctx.Data["title"] = displayName
+
+	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,
+		Metas: ctx.Repo.Repository.ComposeDocumentMetas(ctx),
+		Links: markup.Links{
+			Base: ctx.Repo.RepoLink,
+		},
+		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.WikiContext, 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 rctx.SidebarTocNode != nil {
+		sb := &strings.Builder{}
+		err = markdown.SpecializedMarkdown().Renderer().Render(sb, nil, rctx.SidebarTocNode)
+		if err != nil {
+			log.Error("Failed to render wiki sidebar TOC: %v", err)
+		} else {
+			ctx.Data["sidebarTocContent"] = sb.String()
+		}
+	}
+
+	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
+	}
+
+	// get commit count - wiki revisions
+	commitsCount, _ := wikiRepo.FileCommitsCount(ctx.Repo.Repository.GetWikiBranchName(), 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.WebPathFromRequest(ctx.PathParamRaw("*"))
+	if len(pageName) == 0 {
+		pageName = "Home"
+	}
+
+	_, displayName := wiki_service.WebPathToUserTitle(pageName)
+	ctx.Data["PageURL"] = wiki_service.WebPathToURLPath(pageName)
+	ctx.Data["old_title"] = displayName
+	ctx.Data["Title"] = displayName
+	ctx.Data["title"] = displayName
+
+	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(ctx.Repo.Repository.GetWikiBranchName(), pageFilename)
+	ctx.Data["CommitCount"] = commitsCount
+
+	// get page
+	page := ctx.FormInt("page")
+	if page <= 1 {
+		page = 1
+	}
+
+	// get Commit Count
+	commitsHistory, err := wikiRepo.CommitsByFileAndRange(
+		git.CommitsByFileAndRangeOptions{
+			Revision: ctx.Repo.Repository.GetWikiBranchName(),
+			File:     pageFilename,
+			Page:     page,
+		})
+	if err != nil {
+		if wikiRepo != nil {
+			wikiRepo.Close()
+		}
+		ctx.ServerError("CommitsByFileAndRange", err)
+		return nil, nil
+	}
+	ctx.Data["Commits"] = git_model.ConvertFromGitCommit(ctx, commitsHistory, ctx.Repo.Repository)
+
+	pager := context.NewPagination(int(commitsCount), setting.Git.CommitsRangeSize, page, 5)
+	pager.SetDefaultParams(ctx)
+	pager.AddParamString("action", "_revision")
+	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.WebPathFromRequest(ctx.PathParamRaw("*"))
+	if len(pageName) == 0 {
+		pageName = "Home"
+	}
+
+	_, displayName := wiki_service.WebPathToUserTitle(pageName)
+	ctx.Data["PageURL"] = wiki_service.WebPathToURLPath(pageName)
+	ctx.Data["old_title"] = displayName
+	ctx.Data["Title"] = displayName
+	ctx.Data["title"] = displayName
+
+	// 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.GitPathToWebPath(entry.Name())
+		if err != nil {
+			if repo_model.IsErrWikiInvalidFileName(err) {
+				continue
+			}
+			ctx.ServerError("WikiFilenameToName", err)
+			return
+		}
+		_, displayName := wiki_service.WebPathToUserTitle(wikiName)
+		pages = append(pages, PageMeta{
+			Name:         displayName,
+			SubURL:       wiki_service.WebPathToURLPath(wikiName),
+			GitEntryName: entry.Name(),
+			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
+	}
+
+	providedWebPath := wiki_service.WebPathFromRequest(ctx.PathParamRaw("*"))
+	providedGitPath := wiki_service.WebPathToGitPath(providedWebPath)
+	var entry *git.TreeEntry
+	if commit != nil {
+		// Try to find a file with that name
+		entry, err = findEntryForFile(commit, providedGitPath)
+		if err != nil && !git.IsErrNotExist(err) {
+			ctx.ServerError("findFile", err)
+			return
+		}
+
+		if entry == nil {
+			// Try to find a wiki page with that name
+			providedGitPath = strings.TrimSuffix(providedGitPath, ".md")
+			entry, err = findEntryForFile(commit, providedGitPath)
+			if err != nil && !git.IsErrNotExist(err) {
+				ctx.ServerError("findFile", err)
+				return
+			}
+		}
+	}
+
+	if entry != nil {
+		if err = common.ServeBlob(ctx.Base, ctx.Repo.TreePath, entry.Blob(), nil); 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.UserTitleToWebPath("", form.Title)
+
+	if len(form.Message) == 0 {
+		form.Message = ctx.Locale.TrString("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
+	}
+
+	notify_service.NewWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, string(wikiName), form.Message)
+
+	ctx.Redirect(ctx.Repo.RepoLink + "/wiki/" + wiki_service.WebPathToURLPath(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.WebPathFromRequest(ctx.PathParamRaw("*"))
+	newWikiName := wiki_service.UserTitleToWebPath("", form.Title)
+
+	if len(form.Message) == 0 {
+		form.Message = ctx.Locale.TrString("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
+	}
+
+	notify_service.EditWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, string(newWikiName), form.Message)
+
+	ctx.Redirect(ctx.Repo.RepoLink + "/wiki/" + wiki_service.WebPathToURLPath(newWikiName))
+}
+
+// DeleteWikiPagePost delete wiki page
+func DeleteWikiPagePost(ctx *context.Context) {
+	wikiName := wiki_service.WebPathFromRequest(ctx.PathParamRaw("*"))
+	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
+	}
+
+	notify_service.DeleteWikiPage(ctx, ctx.Doer, ctx.Repo.Repository, string(wikiName))
+
+	ctx.JSONRedirect(ctx.Repo.RepoLink + "/wiki/")
+}
+
+func WikiSearchContent(ctx *context.Context) {
+	keyword := ctx.FormTrim("q")
+	if keyword == "" {
+		ctx.HTML(http.StatusOK, tplWikiSearch)
+		return
+	}
+
+	res, err := wiki_service.SearchWikiContents(ctx, ctx.Repo.Repository, keyword)
+	if err != nil {
+		ctx.ServerError("SearchWikiContents", err)
+		return
+	}
+
+	ctx.Data["Results"] = res
+	ctx.HTML(http.StatusOK, tplWikiSearch)
+}