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gitea/routers/repo/view.go
Lunny Xiao e153cf07c3
Add a migrate service type switch page (#12697)
* Add a migrat service type switch page

* Improve translations

* remove images

* Fix images

* remove extra create repo button on dashboard

* Follow reviewers' opinions

* Fix frontend lint

* Remove wrong submit file

* Fix tests

* Adjust the size of image

* Apply suggestions from code review

Co-authored-by: 赵智超 <1012112796@qq.com>

* Remove username and password from migration of github/gitlab

* Improve docs

* Improve interface docs

Co-authored-by: 赵智超 <1012112796@qq.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-09-09 14:29:10 -04:00

738 lines
20 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2014 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 repo
import (
"bytes"
"encoding/base64"
"fmt"
gotemplate "html/template"
"io/ioutil"
"net/url"
"path"
"strconv"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
const (
tplRepoEMPTY base.TplName = "repo/empty"
tplRepoHome base.TplName = "repo/home"
tplWatchers base.TplName = "repo/watchers"
tplForks base.TplName = "repo/forks"
tplMigrating base.TplName = "repo/migrate/migrating"
)
type namedBlob struct {
name string
isSymlink bool
blob *git.Blob
}
func linesBytesCount(s []byte) int {
nl := []byte{'\n'}
n := bytes.Count(s, nl)
if len(s) > 0 && !bytes.HasSuffix(s, nl) {
n++
}
return n
}
// FIXME: There has to be a more efficient way of doing this
func getReadmeFileFromPath(commit *git.Commit, treePath string) (*namedBlob, error) {
tree, err := commit.SubTree(treePath)
if err != nil {
return nil, err
}
entries, err := tree.ListEntries()
if err != nil {
return nil, err
}
var readmeFiles [4]*namedBlob
var exts = []string{".md", ".txt", ""} // sorted by priority
for _, entry := range entries {
if entry.IsDir() {
continue
}
for i, ext := range exts {
if markup.IsReadmeFile(entry.Name(), ext) {
if readmeFiles[i] == nil || base.NaturalSortLess(readmeFiles[i].name, entry.Blob().Name()) {
name := entry.Name()
isSymlink := entry.IsLink()
target := entry
if isSymlink {
target, err = entry.FollowLinks()
if err != nil && !git.IsErrBadLink(err) {
return nil, err
}
}
if target != nil && (target.IsExecutable() || target.IsRegular()) {
readmeFiles[i] = &namedBlob{
name,
isSymlink,
target.Blob(),
}
}
}
}
}
if markup.IsReadmeFile(entry.Name()) {
if readmeFiles[3] == nil || base.NaturalSortLess(readmeFiles[3].name, entry.Blob().Name()) {
name := entry.Name()
isSymlink := entry.IsLink()
if isSymlink {
entry, err = entry.FollowLinks()
if err != nil && !git.IsErrBadLink(err) {
return nil, err
}
}
if entry != nil && (entry.IsExecutable() || entry.IsRegular()) {
readmeFiles[3] = &namedBlob{
name,
isSymlink,
entry.Blob(),
}
}
}
}
}
var readmeFile *namedBlob
for _, f := range readmeFiles {
if f != nil {
readmeFile = f
break
}
}
return readmeFile, nil
}
func renderDirectory(ctx *context.Context, treeLink string) {
tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
if err != nil {
ctx.NotFoundOrServerError("Repo.Commit.SubTree", git.IsErrNotExist, err)
return
}
entries, err := tree.ListEntries()
if err != nil {
ctx.ServerError("ListEntries", err)
return
}
entries.CustomSort(base.NaturalSortLess)
var c git.LastCommitCache
if setting.CacheService.LastCommit.Enabled && ctx.Repo.CommitsCount >= setting.CacheService.LastCommit.CommitsCount {
c = cache.NewLastCommitCache(ctx.Repo.Repository.FullName(), ctx.Repo.GitRepo, int64(setting.CacheService.LastCommit.TTL.Seconds()))
}
var latestCommit *git.Commit
ctx.Data["Files"], latestCommit, err = entries.GetCommitsInfo(ctx.Repo.Commit, ctx.Repo.TreePath, c)
if err != nil {
ctx.ServerError("GetCommitsInfo", err)
return
}
// 3 for the extensions in exts[] in order
// the last one is for a readme that doesn't
// strictly match an extension
var readmeFiles [4]*namedBlob
var docsEntries [3]*git.TreeEntry
var exts = []string{".md", ".txt", ""} // sorted by priority
for _, entry := range entries {
if entry.IsDir() {
lowerName := strings.ToLower(entry.Name())
switch lowerName {
case "docs":
if entry.Name() == "docs" || docsEntries[0] == nil {
docsEntries[0] = entry
}
case ".gitea":
if entry.Name() == ".gitea" || docsEntries[1] == nil {
docsEntries[1] = entry
}
case ".github":
if entry.Name() == ".github" || docsEntries[2] == nil {
docsEntries[2] = entry
}
}
continue
}
for i, ext := range exts {
if markup.IsReadmeFile(entry.Name(), ext) {
log.Debug("%s", entry.Name())
name := entry.Name()
isSymlink := entry.IsLink()
target := entry
if isSymlink {
target, err = entry.FollowLinks()
if err != nil && !git.IsErrBadLink(err) {
ctx.ServerError("FollowLinks", err)
return
}
}
log.Debug("%t", target == nil)
if target != nil && (target.IsExecutable() || target.IsRegular()) {
readmeFiles[i] = &namedBlob{
name,
isSymlink,
target.Blob(),
}
}
}
}
if markup.IsReadmeFile(entry.Name()) {
name := entry.Name()
isSymlink := entry.IsLink()
if isSymlink {
entry, err = entry.FollowLinks()
if err != nil && !git.IsErrBadLink(err) {
ctx.ServerError("FollowLinks", err)
return
}
}
if entry != nil && (entry.IsExecutable() || entry.IsRegular()) {
readmeFiles[3] = &namedBlob{
name,
isSymlink,
entry.Blob(),
}
}
}
}
var readmeFile *namedBlob
readmeTreelink := treeLink
for _, f := range readmeFiles {
if f != nil {
readmeFile = f
break
}
}
if ctx.Repo.TreePath == "" && readmeFile == nil {
for _, entry := range docsEntries {
if entry == nil {
continue
}
readmeFile, err = getReadmeFileFromPath(ctx.Repo.Commit, entry.GetSubJumpablePathName())
if err != nil {
ctx.ServerError("getReadmeFileFromPath", err)
return
}
if readmeFile != nil {
readmeFile.name = entry.Name() + "/" + readmeFile.name
readmeTreelink = treeLink + "/" + entry.GetSubJumpablePathName()
break
}
}
}
if readmeFile != nil {
ctx.Data["RawFileLink"] = ""
ctx.Data["ReadmeInList"] = true
ctx.Data["ReadmeExist"] = true
ctx.Data["FileIsSymlink"] = readmeFile.isSymlink
dataRc, err := readmeFile.blob.DataAsync()
if err != nil {
ctx.ServerError("Data", err)
return
}
defer dataRc.Close()
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
buf = buf[:n]
isTextFile := base.IsTextFile(buf)
ctx.Data["FileIsText"] = isTextFile
ctx.Data["FileName"] = readmeFile.name
fileSize := int64(0)
isLFSFile := false
ctx.Data["IsLFSFile"] = false
// FIXME: what happens when README file is an image?
if isTextFile && setting.LFS.StartServer {
meta := lfs.IsPointerFile(&buf)
if meta != nil {
meta, err = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
ctx.ServerError("GetLFSMetaObject", err)
return
}
}
if meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
var err error
dataRc, err = lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, err = dataRc.Read(buf)
if err != nil {
ctx.ServerError("Data", err)
return
}
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
fileSize = meta.Size
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.name))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
}
}
if !isLFSFile {
fileSize = readmeFile.blob.Size()
}
if isTextFile {
if fileSize >= setting.UI.MaxDisplayFileSize {
// Pretend that this is a normal text file to display 'This file is too large to be shown'
ctx.Data["IsFileTooLarge"] = true
ctx.Data["IsTextFile"] = true
ctx.Data["FileSize"] = fileSize
} else {
d, _ := ioutil.ReadAll(dataRc)
buf = charset.ToUTF8WithFallback(append(buf, d...))
if markupType := markup.Type(readmeFile.name); markupType != "" {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = string(markupType)
ctx.Data["FileContent"] = string(markup.Render(readmeFile.name, buf, readmeTreelink, ctx.Repo.Repository.ComposeDocumentMetas()))
} else {
ctx.Data["IsRenderedHTML"] = true
ctx.Data["FileContent"] = strings.Replace(
gotemplate.HTMLEscapeString(string(buf)), "\n", `<br>`, -1,
)
}
}
}
}
// Show latest commit info of repository in table header,
// or of directory if not in root directory.
ctx.Data["LatestCommit"] = latestCommit
verification := models.ParseCommitWithSignature(latestCommit)
if err := models.CalculateTrustStatus(verification, ctx.Repo.Repository, nil); err != nil {
ctx.ServerError("CalculateTrustStatus", err)
return
}
ctx.Data["LatestCommitVerification"] = verification
ctx.Data["LatestCommitUser"] = models.ValidateCommitWithEmail(latestCommit)
statuses, err := models.GetLatestCommitStatus(ctx.Repo.Repository, ctx.Repo.Commit.ID.String(), 0)
if err != nil {
log.Error("GetLatestCommitStatus: %v", err)
}
ctx.Data["LatestCommitStatus"] = models.CalcCommitStatus(statuses)
// Check permission to add or upload new file.
if ctx.Repo.CanWrite(models.UnitTypeCode) && ctx.Repo.IsViewBranch {
ctx.Data["CanAddFile"] = !ctx.Repo.Repository.IsArchived
ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled && !ctx.Repo.Repository.IsArchived
}
ctx.Data["SSHDomain"] = setting.SSH.Domain
}
func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink string) {
ctx.Data["IsViewFile"] = true
blob := entry.Blob()
dataRc, err := blob.DataAsync()
if err != nil {
ctx.ServerError("DataAsync", err)
return
}
defer dataRc.Close()
ctx.Data["Title"] = ctx.Data["Title"].(string) + " - " + ctx.Repo.TreePath + " at " + ctx.Repo.BranchName
fileSize := blob.Size()
ctx.Data["FileIsSymlink"] = entry.IsLink()
ctx.Data["FileSize"] = fileSize
ctx.Data["FileName"] = blob.Name()
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
buf = buf[:n]
isTextFile := base.IsTextFile(buf)
isLFSFile := false
ctx.Data["IsTextFile"] = isTextFile
//Check for LFS meta file
if isTextFile && setting.LFS.StartServer {
meta := lfs.IsPointerFile(&buf)
if meta != nil {
meta, err = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
ctx.ServerError("GetLFSMetaObject", err)
return
}
}
if meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
var err error
dataRc, err = lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, err = dataRc.Read(buf)
if err != nil {
ctx.ServerError("Data", err)
return
}
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
fileSize = meta.Size
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(blob.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
}
}
// Check LFS Lock
lfsLock, err := ctx.Repo.Repository.GetTreePathLock(ctx.Repo.TreePath)
ctx.Data["LFSLock"] = lfsLock
if err != nil {
ctx.ServerError("GetTreePathLock", err)
return
}
if lfsLock != nil {
ctx.Data["LFSLockOwner"] = lfsLock.Owner.DisplayName()
ctx.Data["LFSLockHint"] = ctx.Tr("repo.editor.this_file_locked")
}
// Assume file is not editable first.
if isLFSFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_lfs_files")
} else if !isTextFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
}
switch {
case isTextFile:
if fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
d, _ := ioutil.ReadAll(dataRc)
buf = charset.ToUTF8WithFallback(append(buf, d...))
readmeExist := markup.IsReadmeFile(blob.Name())
ctx.Data["ReadmeExist"] = readmeExist
if markupType := markup.Type(blob.Name()); markupType != "" {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["FileContent"] = string(markup.Render(blob.Name(), buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeDocumentMetas()))
} else if readmeExist {
ctx.Data["IsRenderedHTML"] = true
ctx.Data["FileContent"] = strings.Replace(
gotemplate.HTMLEscapeString(string(buf)), "\n", `<br>`, -1,
)
} else {
buf = charset.ToUTF8WithFallback(buf)
lineNums := linesBytesCount(buf)
ctx.Data["NumLines"] = strconv.Itoa(lineNums)
ctx.Data["NumLinesSet"] = true
ctx.Data["FileContent"] = highlight.File(lineNums, blob.Name(), buf)
}
if !isLFSFile {
if ctx.Repo.CanEnableEditor() {
if lfsLock != nil && lfsLock.OwnerID != ctx.User.ID {
ctx.Data["CanEditFile"] = false
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.this_file_locked")
} else {
ctx.Data["CanEditFile"] = true
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.edit_this_file")
}
} else if !ctx.Repo.IsViewBranch {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
} else if !ctx.Repo.CanWrite(models.UnitTypeCode) {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.fork_before_edit")
}
}
case base.IsPDFFile(buf):
ctx.Data["IsPDFFile"] = true
case base.IsVideoFile(buf):
ctx.Data["IsVideoFile"] = true
case base.IsAudioFile(buf):
ctx.Data["IsAudioFile"] = true
case base.IsImageFile(buf):
ctx.Data["IsImageFile"] = true
default:
if fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
if markupType := markup.Type(blob.Name()); markupType != "" {
d, _ := ioutil.ReadAll(dataRc)
buf = append(buf, d...)
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["FileContent"] = string(markup.Render(blob.Name(), buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeDocumentMetas()))
}
}
if ctx.Repo.CanEnableEditor() {
if lfsLock != nil && lfsLock.OwnerID != ctx.User.ID {
ctx.Data["CanDeleteFile"] = false
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.this_file_locked")
} else {
ctx.Data["CanDeleteFile"] = true
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.delete_this_file")
}
} else if !ctx.Repo.IsViewBranch {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
} else if !ctx.Repo.CanWrite(models.UnitTypeCode) {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_have_write_access")
}
}
func safeURL(address string) string {
u, err := url.Parse(address)
if err != nil {
return address
}
u.User = nil
return u.String()
}
// Home render repository home page
func Home(ctx *context.Context) {
if len(ctx.Repo.Units) > 0 {
if ctx.Repo.Repository.IsBeingCreated() {
task, err := models.GetMigratingTask(ctx.Repo.Repository.ID)
if err != nil {
ctx.ServerError("models.GetMigratingTask", err)
return
}
cfg, err := task.MigrateConfig()
if err != nil {
ctx.ServerError("task.MigrateConfig", err)
return
}
ctx.Data["Repo"] = ctx.Repo
ctx.Data["MigrateTask"] = task
ctx.Data["CloneAddr"] = safeURL(cfg.CloneAddr)
ctx.HTML(200, tplMigrating)
return
}
var firstUnit *models.Unit
for _, repoUnit := range ctx.Repo.Units {
if repoUnit.Type == models.UnitTypeCode {
renderCode(ctx)
return
}
unit, ok := models.Units[repoUnit.Type]
if ok && (firstUnit == nil || !firstUnit.IsLessThan(unit)) {
firstUnit = &unit
}
}
if firstUnit != nil {
ctx.Redirect(fmt.Sprintf("%s/%s%s", setting.AppSubURL, ctx.Repo.Repository.FullName(), firstUnit.URI))
return
}
}
ctx.NotFound("Home", fmt.Errorf(ctx.Tr("units.error.no_unit_allowed_repo")))
}
func renderLanguageStats(ctx *context.Context) {
langs, err := ctx.Repo.Repository.GetTopLanguageStats(5)
if err != nil {
ctx.ServerError("Repo.GetTopLanguageStats", err)
return
}
ctx.Data["LanguageStats"] = langs
}
func renderRepoTopics(ctx *context.Context) {
topics, err := models.FindTopics(&models.FindTopicOptions{
RepoID: ctx.Repo.Repository.ID,
})
if err != nil {
ctx.ServerError("models.FindTopics", err)
return
}
ctx.Data["Topics"] = topics
}
func renderCode(ctx *context.Context) {
ctx.Data["PageIsViewCode"] = true
if ctx.Repo.Repository.IsEmpty {
ctx.HTML(200, tplRepoEMPTY)
return
}
title := ctx.Repo.Repository.Owner.Name + "/" + ctx.Repo.Repository.Name
if len(ctx.Repo.Repository.Description) > 0 {
title += ": " + ctx.Repo.Repository.Description
}
ctx.Data["Title"] = title
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
treeLink := branchLink
rawLink := ctx.Repo.RepoLink + "/raw/" + ctx.Repo.BranchNameSubURL()
if len(ctx.Repo.TreePath) > 0 {
treeLink += "/" + ctx.Repo.TreePath
}
// Get Topics of this repo
renderRepoTopics(ctx)
if ctx.Written() {
return
}
// Get current entry user currently looking at.
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(ctx.Repo.TreePath)
if err != nil {
ctx.NotFoundOrServerError("Repo.Commit.GetTreeEntryByPath", git.IsErrNotExist, err)
return
}
renderLanguageStats(ctx)
if ctx.Written() {
return
}
if entry.IsDir() {
renderDirectory(ctx, treeLink)
} else {
renderFile(ctx, entry, treeLink, rawLink)
}
if ctx.Written() {
return
}
var treeNames []string
paths := make([]string, 0, 5)
if len(ctx.Repo.TreePath) > 0 {
treeNames = strings.Split(ctx.Repo.TreePath, "/")
for i := range treeNames {
paths = append(paths, strings.Join(treeNames[:i+1], "/"))
}
ctx.Data["HasParentPath"] = true
if len(paths)-2 >= 0 {
ctx.Data["ParentPath"] = "/" + paths[len(paths)-2]
}
}
ctx.Data["Paths"] = paths
ctx.Data["TreeLink"] = treeLink
ctx.Data["TreeNames"] = treeNames
ctx.Data["BranchLink"] = branchLink
ctx.HTML(200, tplRepoHome)
}
// RenderUserCards render a page show users according the input templaet
func RenderUserCards(ctx *context.Context, total int, getter func(opts models.ListOptions) ([]*models.User, error), tpl base.TplName) {
page := ctx.QueryInt("page")
if page <= 0 {
page = 1
}
pager := context.NewPagination(total, models.ItemsPerPage, page, 5)
ctx.Data["Page"] = pager
items, err := getter(models.ListOptions{Page: pager.Paginater.Current()})
if err != nil {
ctx.ServerError("getter", err)
return
}
ctx.Data["Cards"] = items
ctx.HTML(200, tpl)
}
// Watchers render repository's watch users
func Watchers(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.watchers")
ctx.Data["CardsTitle"] = ctx.Tr("repo.watchers")
ctx.Data["PageIsWatchers"] = true
RenderUserCards(ctx, ctx.Repo.Repository.NumWatches, ctx.Repo.Repository.GetWatchers, tplWatchers)
}
// Stars render repository's starred users
func Stars(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.stargazers")
ctx.Data["CardsTitle"] = ctx.Tr("repo.stargazers")
ctx.Data["PageIsStargazers"] = true
RenderUserCards(ctx, ctx.Repo.Repository.NumStars, ctx.Repo.Repository.GetStargazers, tplWatchers)
}
// Forks render repository's forked users
func Forks(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repos.forks")
forks, err := ctx.Repo.Repository.GetForks(models.ListOptions{})
if err != nil {
ctx.ServerError("GetForks", err)
return
}
for _, fork := range forks {
if err = fork.GetOwner(); err != nil {
ctx.ServerError("GetOwner", err)
return
}
}
ctx.Data["Forks"] = forks
ctx.HTML(200, tplForks)
}