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447 lines
12 KiB
447 lines
12 KiB
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2018 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 repo
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import (
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"fmt"
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"io/ioutil"
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"path/filepath"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/markup/markdown"
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"code.gitea.io/gitea/modules/util"
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)
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const (
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tplWikiStart base.TplName = "repo/wiki/start"
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tplWikiView base.TplName = "repo/wiki/view"
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tplWikiNew base.TplName = "repo/wiki/new"
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tplWikiPages base.TplName = "repo/wiki/pages"
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)
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// MustEnableWiki check if wiki is enabled, if external then redirect
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func MustEnableWiki(ctx *context.Context) {
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if !ctx.Repo.CanRead(models.UnitTypeWiki) &&
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!ctx.Repo.CanRead(models.UnitTypeExternalWiki) {
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if log.IsTrace() {
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log.Trace("Permission Denied: User %-v cannot read %-v or %-v of repo %-v\n"+
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"User in repo has Permissions: %-+v",
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ctx.User,
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models.UnitTypeWiki,
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models.UnitTypeExternalWiki,
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ctx.Repo.Repository,
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ctx.Repo.Permission)
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}
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ctx.NotFound("MustEnableWiki", nil)
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return
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}
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unit, err := ctx.Repo.Repository.GetUnit(models.UnitTypeExternalWiki)
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if err == nil {
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ctx.Redirect(unit.ExternalWikiConfig().ExternalWikiURL)
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return
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}
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}
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// PageMeta wiki page meat information
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type PageMeta struct {
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Name string
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SubURL string
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UpdatedUnix util.TimeStamp
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}
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// findEntryForFile finds the tree entry for a target filepath.
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func findEntryForFile(commit *git.Commit, target string) (*git.TreeEntry, error) {
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entries, err := commit.ListEntries()
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if err != nil {
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return nil, err
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}
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for _, entry := range entries {
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if entry.IsRegular() && entry.Name() == target {
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return entry, nil
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}
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}
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return nil, nil
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}
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func findWikiRepoCommit(ctx *context.Context) (*git.Repository, *git.Commit, error) {
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wikiRepo, err := git.OpenRepository(ctx.Repo.Repository.WikiPath())
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if err != nil {
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ctx.ServerError("OpenRepository", err)
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return nil, nil, err
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}
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commit, err := wikiRepo.GetBranchCommit("master")
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if err != nil {
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return wikiRepo, nil, err
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}
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return wikiRepo, commit, nil
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}
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// wikiContentsByEntry returns the contents of the wiki page referenced by the
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// given tree entry. Writes to ctx if an error occurs.
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func wikiContentsByEntry(ctx *context.Context, entry *git.TreeEntry) []byte {
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reader, err := entry.Blob().DataAsync()
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if err != nil {
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ctx.ServerError("Blob.Data", err)
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return nil
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}
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defer reader.Close()
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content, err := ioutil.ReadAll(reader)
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if err != nil {
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ctx.ServerError("ReadAll", err)
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return nil
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}
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return content
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}
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// wikiContentsByName returns the contents of a wiki page, along with a boolean
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// indicating whether the page exists. Writes to ctx if an error occurs.
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func wikiContentsByName(ctx *context.Context, commit *git.Commit, wikiName string) ([]byte, bool) {
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entry, err := findEntryForFile(commit, models.WikiNameToFilename(wikiName))
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if err != nil {
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ctx.ServerError("findEntryForFile", err)
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return nil, false
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} else if entry == nil {
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return nil, false
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}
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return wikiContentsByEntry(ctx, entry), true
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}
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func renderWikiPage(ctx *context.Context, isViewPage bool) (*git.Repository, *git.TreeEntry) {
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wikiRepo, commit, err := findWikiRepoCommit(ctx)
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if err != nil {
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if !git.IsErrNotExist(err) {
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ctx.ServerError("GetBranchCommit", err)
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}
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return nil, nil
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}
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// Get page list.
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if isViewPage {
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entries, err := commit.ListEntries()
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if err != nil {
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ctx.ServerError("ListEntries", err)
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return nil, nil
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}
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pages := make([]PageMeta, 0, len(entries))
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for _, entry := range entries {
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if !entry.IsRegular() {
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continue
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}
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wikiName, err := models.WikiFilenameToName(entry.Name())
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if err != nil {
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if models.IsErrWikiInvalidFileName(err) {
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continue
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}
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ctx.ServerError("WikiFilenameToName", err)
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return nil, nil
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} else if wikiName == "_Sidebar" || wikiName == "_Footer" {
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continue
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}
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pages = append(pages, PageMeta{
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Name: wikiName,
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SubURL: models.WikiNameToSubURL(wikiName),
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})
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}
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ctx.Data["Pages"] = pages
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}
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pageName := models.NormalizeWikiName(ctx.Params(":page"))
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if len(pageName) == 0 {
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pageName = "Home"
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}
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ctx.Data["PageURL"] = models.WikiNameToSubURL(pageName)
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ctx.Data["old_title"] = pageName
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ctx.Data["Title"] = pageName
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ctx.Data["title"] = pageName
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ctx.Data["RequireHighlightJS"] = true
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pageFilename := models.WikiNameToFilename(pageName)
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var entry *git.TreeEntry
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if entry, err = findEntryForFile(commit, pageFilename); err != nil {
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ctx.ServerError("findEntryForFile", err)
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return nil, nil
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} else if entry == nil {
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ctx.Redirect(ctx.Repo.RepoLink + "/wiki/_pages")
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return nil, nil
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}
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data := wikiContentsByEntry(ctx, entry)
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if ctx.Written() {
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return nil, nil
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}
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if isViewPage {
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sidebarContent, sidebarPresent := wikiContentsByName(ctx, commit, "_Sidebar")
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if ctx.Written() {
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return nil, nil
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}
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footerContent, footerPresent := wikiContentsByName(ctx, commit, "_Footer")
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if ctx.Written() {
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return nil, nil
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}
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metas := ctx.Repo.Repository.ComposeMetas()
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ctx.Data["content"] = markdown.RenderWiki(data, ctx.Repo.RepoLink, metas)
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ctx.Data["sidebarPresent"] = sidebarPresent
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ctx.Data["sidebarContent"] = markdown.RenderWiki(sidebarContent, ctx.Repo.RepoLink, metas)
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ctx.Data["footerPresent"] = footerPresent
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ctx.Data["footerContent"] = markdown.RenderWiki(footerContent, ctx.Repo.RepoLink, metas)
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} else {
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ctx.Data["content"] = string(data)
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ctx.Data["sidebarPresent"] = false
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ctx.Data["sidebarContent"] = ""
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ctx.Data["footerPresent"] = false
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ctx.Data["footerContent"] = ""
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}
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return wikiRepo, entry
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}
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// Wiki renders single wiki page
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func Wiki(ctx *context.Context) {
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ctx.Data["PageIsWiki"] = true
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ctx.Data["CanWriteWiki"] = ctx.Repo.CanWrite(models.UnitTypeWiki) && !ctx.Repo.Repository.IsArchived
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if !ctx.Repo.Repository.HasWiki() {
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ctx.Data["Title"] = ctx.Tr("repo.wiki")
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ctx.HTML(200, tplWikiStart)
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return
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}
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wikiRepo, entry := renderWikiPage(ctx, true)
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if ctx.Written() {
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return
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}
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if entry == nil {
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ctx.Data["Title"] = ctx.Tr("repo.wiki")
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ctx.HTML(200, tplWikiStart)
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return
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}
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wikiPath := entry.Name()
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if markup.Type(wikiPath) != markdown.MarkupName {
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ext := strings.ToUpper(filepath.Ext(wikiPath))
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ctx.Data["FormatWarning"] = fmt.Sprintf("%s rendering is not supported at the moment. Rendered as Markdown.", ext)
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}
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// Get last change information.
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lastCommit, err := wikiRepo.GetCommitByPath(wikiPath)
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if err != nil {
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ctx.ServerError("GetCommitByPath", err)
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return
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}
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ctx.Data["Author"] = lastCommit.Author
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ctx.HTML(200, tplWikiView)
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}
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// WikiPages render wiki pages list page
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func WikiPages(ctx *context.Context) {
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if !ctx.Repo.Repository.HasWiki() {
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ctx.Redirect(ctx.Repo.RepoLink + "/wiki")
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return
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}
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ctx.Data["Title"] = ctx.Tr("repo.wiki.pages")
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ctx.Data["PageIsWiki"] = true
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ctx.Data["CanWriteWiki"] = ctx.Repo.CanWrite(models.UnitTypeWiki) && !ctx.Repo.Repository.IsArchived
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wikiRepo, commit, err := findWikiRepoCommit(ctx)
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if err != nil {
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return
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}
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entries, err := commit.ListEntries()
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if err != nil {
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ctx.ServerError("ListEntries", err)
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return
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}
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pages := make([]PageMeta, 0, len(entries))
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for _, entry := range entries {
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if !entry.IsRegular() {
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continue
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}
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c, err := wikiRepo.GetCommitByPath(entry.Name())
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if err != nil {
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ctx.ServerError("GetCommit", err)
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return
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}
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wikiName, err := models.WikiFilenameToName(entry.Name())
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if err != nil {
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if models.IsErrWikiInvalidFileName(err) {
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continue
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}
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ctx.ServerError("WikiFilenameToName", err)
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return
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}
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pages = append(pages, PageMeta{
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Name: wikiName,
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SubURL: models.WikiNameToSubURL(wikiName),
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UpdatedUnix: util.TimeStamp(c.Author.When.Unix()),
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})
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}
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ctx.Data["Pages"] = pages
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ctx.HTML(200, tplWikiPages)
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}
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// WikiRaw outputs raw blob requested by user (image for example)
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func WikiRaw(ctx *context.Context) {
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wikiRepo, commit, err := findWikiRepoCommit(ctx)
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if err != nil {
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if wikiRepo != nil {
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return
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}
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}
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providedPath := ctx.Params("*")
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var entry *git.TreeEntry
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if commit != nil {
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// Try to find a file with that name
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entry, err = findEntryForFile(commit, providedPath)
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if err != nil {
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ctx.ServerError("findFile", err)
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return
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}
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if entry == nil {
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// Try to find a wiki page with that name
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if strings.HasSuffix(providedPath, ".md") {
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providedPath = providedPath[:len(providedPath)-3]
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}
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wikiPath := models.WikiNameToFilename(providedPath)
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entry, err = findEntryForFile(commit, wikiPath)
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if err != nil {
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ctx.ServerError("findFile", err)
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return
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}
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}
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}
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if entry != nil {
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if err = ServeBlob(ctx, entry.Blob()); err != nil {
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ctx.ServerError("ServeBlob", err)
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}
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return
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}
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ctx.NotFound("findEntryForFile", nil)
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}
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// NewWiki render wiki create page
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func NewWiki(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("repo.wiki.new_page")
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ctx.Data["PageIsWiki"] = true
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ctx.Data["RequireSimpleMDE"] = true
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if !ctx.Repo.Repository.HasWiki() {
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ctx.Data["title"] = "Home"
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}
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ctx.HTML(200, tplWikiNew)
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}
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// NewWikiPost response for wiki create request
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func NewWikiPost(ctx *context.Context, form auth.NewWikiForm) {
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ctx.Data["Title"] = ctx.Tr("repo.wiki.new_page")
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ctx.Data["PageIsWiki"] = true
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ctx.Data["RequireSimpleMDE"] = true
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if ctx.HasError() {
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ctx.HTML(200, tplWikiNew)
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return
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}
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if util.IsEmptyString(form.Title) {
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ctx.RenderWithErr(ctx.Tr("repo.issues.new.title_empty"), tplWikiNew, form)
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return
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}
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wikiName := models.NormalizeWikiName(form.Title)
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if err := ctx.Repo.Repository.AddWikiPage(ctx.User, wikiName, form.Content, form.Message); err != nil {
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if models.IsErrWikiReservedName(err) {
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ctx.Data["Err_Title"] = true
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ctx.RenderWithErr(ctx.Tr("repo.wiki.reserved_page", wikiName), tplWikiNew, &form)
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} else if models.IsErrWikiAlreadyExist(err) {
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ctx.Data["Err_Title"] = true
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ctx.RenderWithErr(ctx.Tr("repo.wiki.page_already_exists"), tplWikiNew, &form)
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} else {
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ctx.ServerError("AddWikiPage", err)
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}
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return
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}
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ctx.Redirect(ctx.Repo.RepoLink + "/wiki/" + models.WikiNameToSubURL(wikiName))
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}
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// EditWiki render wiki modify page
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func EditWiki(ctx *context.Context) {
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ctx.Data["PageIsWiki"] = true
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ctx.Data["PageIsWikiEdit"] = true
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ctx.Data["RequireSimpleMDE"] = true
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if !ctx.Repo.Repository.HasWiki() {
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ctx.Redirect(ctx.Repo.RepoLink + "/wiki")
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return
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}
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renderWikiPage(ctx, false)
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if ctx.Written() {
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return
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}
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ctx.HTML(200, tplWikiNew)
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}
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// EditWikiPost response for wiki modify request
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func EditWikiPost(ctx *context.Context, form auth.NewWikiForm) {
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ctx.Data["Title"] = ctx.Tr("repo.wiki.new_page")
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ctx.Data["PageIsWiki"] = true
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ctx.Data["RequireSimpleMDE"] = true
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if ctx.HasError() {
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ctx.HTML(200, tplWikiNew)
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return
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}
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oldWikiName := models.NormalizeWikiName(ctx.Params(":page"))
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newWikiName := models.NormalizeWikiName(form.Title)
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if err := ctx.Repo.Repository.EditWikiPage(ctx.User, oldWikiName, newWikiName, form.Content, form.Message); err != nil {
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ctx.ServerError("EditWikiPage", err)
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return
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}
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ctx.Redirect(ctx.Repo.RepoLink + "/wiki/" + models.WikiNameToSubURL(newWikiName))
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}
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// DeleteWikiPagePost delete wiki page
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func DeleteWikiPagePost(ctx *context.Context) {
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wikiName := models.NormalizeWikiName(ctx.Params(":page"))
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if len(wikiName) == 0 {
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wikiName = "Home"
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}
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if err := ctx.Repo.Repository.DeleteWikiPage(ctx.User, wikiName); err != nil {
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ctx.ServerError("DeleteWikiPage", err)
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return
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}
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ctx.JSON(200, map[string]interface{}{
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"redirect": ctx.Repo.RepoLink + "/wiki/",
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})
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}
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