gitea/models/wiki.go

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// Copyright 2015 The Gogs 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 models
import (
"fmt"
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"io/ioutil"
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"net/url"
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"os"
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"path"
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"path/filepath"
"strings"
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"github.com/Unknwon/com"
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"github.com/gogits/git-module"
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"github.com/gogits/gogs/modules/setting"
"github.com/gogits/gogs/modules/sync"
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)
var wikiWorkingPool = sync.NewSingleInstancePool()
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// ToWikiPageURL formats a string to corresponding wiki URL name.
func ToWikiPageURL(name string) string {
return url.QueryEscape(strings.Replace(name, " ", "-", -1))
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}
// ToWikiPageName formats a URL back to corresponding wiki page name,
// and removes leading characters './' to prevent changing files
// that are not belong to wiki repository.
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func ToWikiPageName(urlString string) string {
name, _ := url.QueryUnescape(strings.Replace(urlString, "-", " ", -1))
return strings.Replace(strings.TrimLeft(name, "./"), "/", " ", -1)
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}
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// WikiCloneLink returns clone URLs of repository wiki.
func (repo *Repository) WikiCloneLink() (cl *CloneLink) {
return repo.cloneLink(true)
}
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// WikiPath returns wiki data path by given user and repository name.
func WikiPath(userName, repoName string) string {
return filepath.Join(UserPath(userName), strings.ToLower(repoName)+".wiki.git")
}
func (repo *Repository) WikiPath() string {
return WikiPath(repo.MustOwner().Name, repo.Name)
}
// HasWiki returns true if repository has wiki.
func (repo *Repository) HasWiki() bool {
return com.IsDir(repo.WikiPath())
}
// InitWiki initializes a wiki for repository,
// it does nothing when repository already has wiki.
func (repo *Repository) InitWiki() error {
if repo.HasWiki() {
return nil
}
if err := git.InitRepository(repo.WikiPath(), true); err != nil {
return fmt.Errorf("InitRepository: %v", err)
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} else if err = createUpdateHook(repo.WikiPath()); err != nil {
return fmt.Errorf("createUpdateHook: %v", err)
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}
return nil
}
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func (repo *Repository) LocalWikiPath() string {
return path.Join(setting.AppDataPath, "tmp/local-wiki", com.ToStr(repo.ID))
}
// UpdateLocalWiki makes sure the local copy of repository wiki is up-to-date.
func (repo *Repository) UpdateLocalWiki() error {
Squashed commit of the following: commit 0afcb843d7ffd596991c4885cab768273a6eb42c Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 17:13:29 2016 -0600 Removed Upload stats as the upload table is just a temporary table commit 7ecd73ff5535612d79d471409173ee7f1fcfa157 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 08:42:41 2016 -0600 Fix for CodeMirror mode commit c29b9ab531e2e7af0fb5db24dc17e51027dd1174 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 08:03:33 2016 -0600 Made tabbing in editor use spaces commit 23af384c53206a8a40e11e45bf49d7a149c4adcd Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 07:56:46 2016 -0600 Fix for data-url commit cfb8a97591cb6fc0a92e49563b7b764c524db0e9 Merge: 7fc8a89 991ce42 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 07:42:53 2016 -0600 Merge remote-tracking branch 'gogits/develop' into feature-create-and-edit-repo-file Conflicts: modules/bindata/bindata.go public/js/gogs.js commit 7fc8a89cb495478225b02d613e647f99a1489634 Merge: fd3d86c c03d040 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 07:40:00 2016 -0600 Merge branch 'feature-create-and-edit-repo-file' of github.com:richmahn/gogs into feature-create-and-edit-repo-file commit fd3d86ca6bbc02cfda566a504ffd6b03db4f75ef Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Sun Jul 31 07:39:44 2016 -0600 Code cleanup commit c03d0401c1049eeeccc32ab1f9c3303c130be5ee Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Fri Jul 29 15:38:23 2016 -0600 Code cleanup commit 98e1206ccf9f9a4503c020e3a7830cf9f861dfae Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Thu Jul 28 18:36:01 2016 -0600 Code cleanup and fixes commit c2895dc742f25f8412879c9fa15e18f27f42f194 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Thu Jul 28 18:24:04 2016 -0600 Fixes per Unknwon's requests commit 6aa7e46b21ad4c96e562daa2eac26a8fb408f8ef Merge: 889e9fa ad7ea88 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Thu Jul 28 17:13:43 2016 -0600 Merge remote-tracking branch 'gogits/develop' into feature-create-and-edit-repo-file Conflicts: modules/bindata/bindata.go modules/setting/setting.go commit 889e9faf1bd8559a4979c8f46005d488c1a234d4 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Fri Jul 22 14:09:18 2016 -0600 Fix in gogs.js commit 47603edf223f147b114be65f3bd27bc1e88827a5 Merge: bb57912 cf85e9e Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Fri Jul 22 14:07:36 2016 -0600 Merge remote-tracking branch 'gogits/develop' into feature-create-and-edit-repo-file Conflicts: modules/bindata/bindata.go public/js/gogs.js commit bb5791255867a71c11a77b639db050ad09c597a4 Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Fri Jul 22 14:02:18 2016 -0600 Update for using CodeMirror mode addon commit d10d128c51039be19e2af9c66c63db66a9f2ec6d Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Tue Jul 19 16:12:57 2016 -0600 Update for Edit commit 34a34982025144e3225e389f7849eb6273c1d576 Merge: fa1b752 1c7dcdd Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Tue Jul 19 11:52:02 2016 -0600 Merge remote-tracking branch 'gogits/develop' into feature-create-and-edit-repo-file Conflicts: modules/bindata/bindata.go commit fa1b752be29cd455c5184ddac2ffe80b3489763e Author: Richard Mahn <richard_mahn@wycliffeassociates.org> Date: Fri Jul 15 18:35:42 2016 -0600 Feature for editing, creating, uploading and deleting files
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return updateLocalCopy(repo.WikiPath(), repo.LocalWikiPath(), "")
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}
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// discardLocalWikiChanges discards local commits make sure
// it is even to remote branch when local copy exists.
func discardLocalWikiChanges(localPath string) error {
if !com.IsExist(localPath) {
return nil
}
// No need to check if nothing in the repository.
if !git.IsBranchExist(localPath, "master") {
return nil
}
if err := git.ResetHEAD(localPath, true, "origin/master"); err != nil {
return fmt.Errorf("ResetHEAD: %v", err)
}
return nil
}
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// updateWikiPage adds new page to repository wiki.
func (repo *Repository) updateWikiPage(doer *User, oldTitle, title, content, message string, isNew bool) (err error) {
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wikiWorkingPool.CheckIn(com.ToStr(repo.ID))
defer wikiWorkingPool.CheckOut(com.ToStr(repo.ID))
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if err = repo.InitWiki(); err != nil {
return fmt.Errorf("InitWiki: %v", err)
}
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localPath := repo.LocalWikiPath()
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if err = discardLocalWikiChanges(localPath); err != nil {
return fmt.Errorf("discardLocalWikiChanges: %v", err)
} else if err = repo.UpdateLocalWiki(); err != nil {
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return fmt.Errorf("UpdateLocalWiki: %v", err)
}
title = ToWikiPageName(title)
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filename := path.Join(localPath, title+".md")
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// If not a new file, show perform update not create.
if isNew {
if com.IsExist(filename) {
return ErrWikiAlreadyExist{filename}
}
} else {
os.Remove(path.Join(localPath, oldTitle+".md"))
}
// SECURITY: if new file is a symlink to non-exist critical file,
// attack content can be written to the target file (e.g. authorized_keys2)
// as a new page operation.
// So we want to make sure the symlink is removed before write anything.
// The new file we created will be in normal text format.
os.Remove(filename)
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if err = ioutil.WriteFile(filename, []byte(content), 0666); err != nil {
return fmt.Errorf("WriteFile: %v", err)
}
if len(message) == 0 {
message = "Update page '" + title + "'"
}
if err = git.AddChanges(localPath, true); err != nil {
return fmt.Errorf("AddChanges: %v", err)
} else if err = git.CommitChanges(localPath, message, doer.NewGitSig()); err != nil {
return fmt.Errorf("CommitChanges: %v", err)
} else if err = git.Push(localPath, "origin", "master"); err != nil {
return fmt.Errorf("Push: %v", err)
}
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return nil
}
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func (repo *Repository) AddWikiPage(doer *User, title, content, message string) error {
return repo.updateWikiPage(doer, "", title, content, message, true)
}
func (repo *Repository) EditWikiPage(doer *User, oldTitle, title, content, message string) error {
return repo.updateWikiPage(doer, oldTitle, title, content, message, false)
}
func (repo *Repository) DeleteWikiPage(doer *User, title string) (err error) {
wikiWorkingPool.CheckIn(com.ToStr(repo.ID))
defer wikiWorkingPool.CheckOut(com.ToStr(repo.ID))
localPath := repo.LocalWikiPath()
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if err = discardLocalWikiChanges(localPath); err != nil {
return fmt.Errorf("discardLocalWikiChanges: %v", err)
} else if err = repo.UpdateLocalWiki(); err != nil {
return fmt.Errorf("UpdateLocalWiki: %v", err)
}
title = ToWikiPageName(title)
filename := path.Join(localPath, title+".md")
os.Remove(filename)
message := "Delete page '" + title + "'"
if err = git.AddChanges(localPath, true); err != nil {
return fmt.Errorf("AddChanges: %v", err)
} else if err = git.CommitChanges(localPath, message, doer.NewGitSig()); err != nil {
return fmt.Errorf("CommitChanges: %v", err)
} else if err = git.Push(localPath, "origin", "master"); err != nil {
return fmt.Errorf("Push: %v", err)
}
return nil
}