forgejo/routers/web/repo/view.go

1247 lines
38 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repo
import (
"bytes"
gocontext "context"
"encoding/base64"
"fmt"
"html/template"
"image"
"io"
"net/http"
"net/url"
"path"
"slices"
"strings"
"time"
_ "image/gif" // for processing gif images
_ "image/jpeg" // for processing jpeg images
_ "image/png" // for processing png images
activities_model "code.gitea.io/gitea/models/activities"
admin_model "code.gitea.io/gitea/models/admin"
asymkey_model "code.gitea.io/gitea/models/asymkey"
"code.gitea.io/gitea/models/db"
git_model "code.gitea.io/gitea/models/git"
issue_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
unit_model "code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/actions"
"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/highlight"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/svg"
"code.gitea.io/gitea/modules/typesniffer"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/routers/web/feed"
"code.gitea.io/gitea/services/context"
issue_service "code.gitea.io/gitea/services/issue"
files_service "code.gitea.io/gitea/services/repository/files"
"github.com/nektos/act/pkg/model"
_ "golang.org/x/image/bmp" // for processing bmp images
_ "golang.org/x/image/webp" // for processing webp images
)
const (
tplRepoEMPTY base.TplName = "repo/empty"
tplRepoHome base.TplName = "repo/home"
tplRepoViewList base.TplName = "repo/view_list"
tplWatchers base.TplName = "repo/watchers"
tplForks base.TplName = "repo/forks"
tplMigrating base.TplName = "repo/migrate/migrating"
)
// locate a README for a tree in one of the supported paths.
//
// entries is passed to reduce calls to ListEntries(), so
// this has precondition:
//
// entries == ctx.Repo.Commit.SubTree(ctx.Repo.TreePath).ListEntries()
//
// FIXME: There has to be a more efficient way of doing this
func findReadmeFileInEntries(ctx *context.Context, entries []*git.TreeEntry, tryWellKnownDirs bool) (string, *git.TreeEntry, error) {
// Create a list of extensions in priority order
// 1. Markdown files - with and without localisation - e.g. README.en-us.md or README.md
// 2. Txt files - e.g. README.txt
// 3. No extension - e.g. README
exts := append(localizedExtensions(".md", ctx.Locale.Language()), ".txt", "") // sorted by priority
extCount := len(exts)
readmeFiles := make([]*git.TreeEntry, extCount+1)
docsEntries := make([]*git.TreeEntry, 3) // (one of docs/, .gitea/ or .github/)
for _, entry := range entries {
if tryWellKnownDirs && entry.IsDir() {
// as a special case for the top-level repo introduction README,
// fall back to subfolders, looking for e.g. docs/README.md, .gitea/README.zh-CN.txt, .github/README.txt, ...
// (note that docsEntries is ignored unless we are at the root)
lowerName := strings.ToLower(entry.Name())
switch lowerName {
case "docs":
if entry.Name() == "docs" || docsEntries[0] == nil {
docsEntries[0] = entry
}
case ".forgejo":
if entry.Name() == ".forgejo" || docsEntries[1] == nil {
docsEntries[1] = 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
}
if i, ok := util.IsReadmeFileExtension(entry.Name(), exts...); ok {
log.Debug("Potential readme file: %s", entry.Name())
if readmeFiles[i] == nil || base.NaturalSortLess(readmeFiles[i].Name(), entry.Blob().Name()) {
if entry.IsLink() {
target, _, err := entry.FollowLinks()
if err != nil && !git.IsErrBadLink(err) {
return "", nil, err
} else if target != nil && (target.IsExecutable() || target.IsRegular()) {
readmeFiles[i] = entry
}
} else {
readmeFiles[i] = entry
}
}
}
}
var readmeFile *git.TreeEntry
for _, f := range readmeFiles {
if f != nil {
readmeFile = f
break
}
}
if ctx.Repo.TreePath == "" && readmeFile == nil {
for _, subTreeEntry := range docsEntries {
if subTreeEntry == nil {
continue
}
subTree := subTreeEntry.Tree()
if subTree == nil {
// this should be impossible; if subTreeEntry exists so should this.
continue
}
var err error
childEntries, err := subTree.ListEntries()
if err != nil {
return "", nil, err
}
subfolder, readmeFile, err := findReadmeFileInEntries(ctx, childEntries, false)
if err != nil && !git.IsErrNotExist(err) {
return "", nil, err
}
if readmeFile != nil {
return path.Join(subTreeEntry.Name(), subfolder), readmeFile, nil
}
}
}
return "", readmeFile, nil
}
func renderDirectory(ctx *context.Context) {
entries := renderDirectoryFiles(ctx, 1*time.Second)
if ctx.Written() {
return
}
if ctx.Repo.TreePath != "" {
ctx.Data["HideRepoInfo"] = true
ctx.Data["Title"] = ctx.Tr("repo.file.title", ctx.Repo.Repository.Name+"/"+ctx.Repo.TreePath, ctx.Repo.RefName)
}
subfolder, readmeFile, err := findReadmeFileInEntries(ctx, entries, true)
if err != nil {
ctx.ServerError("findReadmeFileInEntries", err)
return
}
renderReadmeFile(ctx, subfolder, readmeFile)
}
// localizedExtensions prepends the provided language code with and without a
// regional identifier to the provided extension.
// Note: the language code will always be lower-cased, if a region is present it must be separated with a `-`
// Note: ext should be prefixed with a `.`
func localizedExtensions(ext, languageCode string) (localizedExts []string) {
if len(languageCode) < 1 {
return []string{ext}
}
lowerLangCode := "." + strings.ToLower(languageCode)
if strings.Contains(lowerLangCode, "-") {
underscoreLangCode := strings.ReplaceAll(lowerLangCode, "-", "_")
indexOfDash := strings.Index(lowerLangCode, "-")
// e.g. [.zh-cn.md, .zh_cn.md, .zh.md, _zh.md, .md]
return []string{lowerLangCode + ext, underscoreLangCode + ext, lowerLangCode[:indexOfDash] + ext, "_" + lowerLangCode[1:indexOfDash] + ext, ext}
}
// e.g. [.en.md, .md]
return []string{lowerLangCode + ext, ext}
}
type fileInfo struct {
isTextFile bool
isLFSFile bool
fileSize int64
lfsMeta *lfs.Pointer
st typesniffer.SniffedType
}
func getFileReader(ctx gocontext.Context, repoID int64, blob *git.Blob) ([]byte, io.ReadCloser, *fileInfo, error) {
dataRc, err := blob.DataAsync()
if err != nil {
return nil, nil, nil, err
}
buf := make([]byte, 1024)
n, _ := util.ReadAtMost(dataRc, buf)
buf = buf[:n]
st := typesniffer.DetectContentType(buf)
isTextFile := st.IsText()
// FIXME: what happens when README file is an image?
if !isTextFile || !setting.LFS.StartServer {
return buf, dataRc, &fileInfo{isTextFile, false, blob.Size(), nil, st}, nil
}
pointer, _ := lfs.ReadPointerFromBuffer(buf)
if !pointer.IsValid() { // fallback to plain file
return buf, dataRc, &fileInfo{isTextFile, false, blob.Size(), nil, st}, nil
}
meta, err := git_model.GetLFSMetaObjectByOid(ctx, repoID, pointer.Oid)
if err != nil && err != git_model.ErrLFSObjectNotExist { // fallback to plain file
return buf, dataRc, &fileInfo{isTextFile, false, blob.Size(), nil, st}, nil
}
dataRc.Close()
if err != nil {
return nil, nil, nil, err
}
dataRc, err = lfs.ReadMetaObject(pointer)
if err != nil {
return nil, nil, nil, err
}
buf = make([]byte, 1024)
n, err = util.ReadAtMost(dataRc, buf)
if err != nil {
dataRc.Close()
return nil, nil, nil, err
}
buf = buf[:n]
st = typesniffer.DetectContentType(buf)
return buf, dataRc, &fileInfo{st.IsText(), true, meta.Size, &meta.Pointer, st}, nil
}
func renderReadmeFile(ctx *context.Context, subfolder string, readmeFile *git.TreeEntry) {
target := readmeFile
if readmeFile != nil && readmeFile.IsLink() {
target, _, _ = readmeFile.FollowLinks()
}
if target == nil {
// if findReadmeFile() failed and/or gave us a broken symlink (which it shouldn't)
// simply skip rendering the README
return
}
ctx.Data["RawFileLink"] = ""
ctx.Data["ReadmeInList"] = true
ctx.Data["ReadmeExist"] = true
ctx.Data["FileIsSymlink"] = readmeFile.IsLink()
buf, dataRc, fInfo, err := getFileReader(ctx, ctx.Repo.Repository.ID, target.Blob())
if err != nil {
ctx.ServerError("getFileReader", err)
return
}
defer dataRc.Close()
ctx.Data["FileIsText"] = fInfo.isTextFile
ctx.Data["FileName"] = path.Join(subfolder, readmeFile.Name())
ctx.Data["IsLFSFile"] = fInfo.isLFSFile
if fInfo.isLFSFile {
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s.git/info/lfs/objects/%s/%s", ctx.Repo.Repository.Link(), url.PathEscape(fInfo.lfsMeta.Oid), url.PathEscape(filenameBase64))
}
if !fInfo.isTextFile {
return
}
if fInfo.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"] = fInfo.fileSize
return
}
rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc), charset.ConvertOpts{})
if markupType := markup.Type(readmeFile.Name()); markupType != "" {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["EscapeStatus"], ctx.Data["FileContent"], err = markupRender(ctx, &markup.RenderContext{
Ctx: ctx,
RelativePath: path.Join(ctx.Repo.TreePath, readmeFile.Name()), // ctx.Repo.TreePath is the directory not the Readme so we must append the Readme filename (and path).
Links: markup.Links{
Base: ctx.Repo.RepoLink,
BranchPath: ctx.Repo.BranchNameSubURL(),
TreePath: path.Join(ctx.Repo.TreePath, subfolder),
},
Metas: ctx.Repo.Repository.ComposeDocumentMetas(ctx),
GitRepo: ctx.Repo.GitRepo,
}, rd)
if err != nil {
log.Error("Render failed for %s in %-v: %v Falling back to rendering source", readmeFile.Name(), ctx.Repo.Repository, err)
delete(ctx.Data, "IsMarkup")
}
}
if ctx.Data["IsMarkup"] != true {
ctx.Data["IsPlainText"] = true
content, err := io.ReadAll(rd)
if err != nil {
log.Error("Read readme content failed: %v", err)
}
contentEscaped := template.HTMLEscapeString(util.UnsafeBytesToString(content))
ctx.Data["EscapeStatus"], ctx.Data["FileContent"] = charset.EscapeControlHTML(template.HTML(contentEscaped), ctx.Locale, charset.FileviewContext)
}
if !fInfo.isLFSFile && ctx.Repo.CanEnableEditor(ctx, ctx.Doer) {
ctx.Data["CanEditReadmeFile"] = true
}
}
func loadLatestCommitData(ctx *context.Context, latestCommit *git.Commit) bool {
// Show latest commit info of repository in table header,
// or of directory if not in root directory.
ctx.Data["LatestCommit"] = latestCommit
if latestCommit != nil {
verification := asymkey_model.ParseCommitWithSignature(ctx, latestCommit)
if err := asymkey_model.CalculateTrustStatus(verification, ctx.Repo.Repository.GetTrustModel(), func(user *user_model.User) (bool, error) {
return repo_model.IsOwnerMemberCollaborator(ctx, ctx.Repo.Repository, user.ID)
}, nil); err != nil {
ctx.ServerError("CalculateTrustStatus", err)
return false
}
ctx.Data["LatestCommitVerification"] = verification
ctx.Data["LatestCommitUser"] = user_model.ValidateCommitWithEmail(ctx, latestCommit)
statuses, _, err := git_model.GetLatestCommitStatus(ctx, ctx.Repo.Repository.ID, latestCommit.ID.String(), db.ListOptionsAll)
if err != nil {
log.Error("GetLatestCommitStatus: %v", err)
}
ctx.Data["LatestCommitStatus"] = git_model.CalcCommitStatus(statuses)
ctx.Data["LatestCommitStatuses"] = statuses
}
return true
}
func renderFile(ctx *context.Context, entry *git.TreeEntry) {
ctx.Data["IsViewFile"] = true
ctx.Data["HideRepoInfo"] = true
blob := entry.Blob()
buf, dataRc, fInfo, err := getFileReader(ctx, ctx.Repo.Repository.ID, blob)
if err != nil {
ctx.ServerError("getFileReader", err)
return
}
defer dataRc.Close()
ctx.Data["Title"] = ctx.Tr("repo.file.title", ctx.Repo.Repository.Name+"/"+ctx.Repo.TreePath, ctx.Repo.RefName)
ctx.Data["FileIsSymlink"] = entry.IsLink()
ctx.Data["FileName"] = blob.Name()
ctx.Data["RawFileLink"] = ctx.Repo.RepoLink + "/raw/" + ctx.Repo.BranchNameSubURL() + "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
if entry.IsLink() {
_, link, err := entry.FollowLinks()
// Errors should be allowed, because this shouldn't
// block rendering invalid symlink files.
if err == nil {
ctx.Data["SymlinkURL"] = ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL() + "/" + util.PathEscapeSegments(link)
}
}
commit, err := ctx.Repo.Commit.GetCommitByPath(ctx.Repo.TreePath)
if err != nil {
ctx.ServerError("GetCommitByPath", err)
return
}
if !loadLatestCommitData(ctx, commit) {
return
}
if ctx.Repo.TreePath == ".editorconfig" {
_, editorconfigWarning, editorconfigErr := ctx.Repo.GetEditorconfig(ctx.Repo.Commit)
if editorconfigWarning != nil {
ctx.Data["FileWarning"] = strings.TrimSpace(editorconfigWarning.Error())
}
if editorconfigErr != nil {
ctx.Data["FileError"] = strings.TrimSpace(editorconfigErr.Error())
}
} else if issue_service.IsTemplateConfig(ctx.Repo.TreePath) {
_, issueConfigErr := issue_service.GetTemplateConfig(ctx.Repo.GitRepo, ctx.Repo.TreePath, ctx.Repo.Commit)
if issueConfigErr != nil {
ctx.Data["FileError"] = strings.TrimSpace(issueConfigErr.Error())
}
} else if actions.IsWorkflow(ctx.Repo.TreePath) {
content, err := actions.GetContentFromEntry(entry)
if err != nil {
log.Error("actions.GetContentFromEntry: %v", err)
}
_, workFlowErr := model.ReadWorkflow(bytes.NewReader(content))
if workFlowErr != nil {
ctx.Data["FileError"] = ctx.Locale.Tr("actions.runs.invalid_workflow_helper", workFlowErr.Error())
}
} else if slices.Contains([]string{"CODEOWNERS", "docs/CODEOWNERS", ".gitea/CODEOWNERS"}, ctx.Repo.TreePath) {
if data, err := blob.GetBlobContent(setting.UI.MaxDisplayFileSize); err == nil {
_, warnings := issue_model.GetCodeOwnersFromContent(ctx, data)
if len(warnings) > 0 {
ctx.Data["FileWarning"] = strings.Join(warnings, "\n")
}
}
}
isDisplayingSource := ctx.FormString("display") == "source"
isDisplayingRendered := !isDisplayingSource
if fInfo.isLFSFile {
ctx.Data["RawFileLink"] = ctx.Repo.RepoLink + "/media/" + ctx.Repo.BranchNameSubURL() + "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
}
isRepresentableAsText := fInfo.st.IsRepresentableAsText()
if !isRepresentableAsText {
// If we can't show plain text, always try to render.
isDisplayingSource = false
isDisplayingRendered = true
}
ctx.Data["IsLFSFile"] = fInfo.isLFSFile
ctx.Data["FileSize"] = fInfo.fileSize
ctx.Data["IsTextFile"] = fInfo.isTextFile
ctx.Data["IsRepresentableAsText"] = isRepresentableAsText
ctx.Data["IsDisplayingSource"] = isDisplayingSource
ctx.Data["IsDisplayingRendered"] = isDisplayingRendered
ctx.Data["IsExecutable"] = entry.IsExecutable()
isTextSource := fInfo.isTextFile || isDisplayingSource
ctx.Data["IsTextSource"] = isTextSource
if isTextSource {
ctx.Data["CanCopyContent"] = true
}
// Check LFS Lock
lfsLock, err := git_model.GetTreePathLock(ctx, ctx.Repo.Repository.ID, ctx.Repo.TreePath)
ctx.Data["LFSLock"] = lfsLock
if err != nil {
ctx.ServerError("GetTreePathLock", err)
return
}
if lfsLock != nil {
u, err := user_model.GetUserByID(ctx, lfsLock.OwnerID)
if err != nil {
ctx.ServerError("GetTreePathLock", err)
return
}
ctx.Data["LFSLockOwner"] = u.Name
ctx.Data["LFSLockOwnerHomeLink"] = u.HomeLink()
ctx.Data["LFSLockHint"] = ctx.Tr("repo.editor.this_file_locked")
}
// Assume file is not editable first.
if fInfo.isLFSFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_lfs_files")
} else if !isRepresentableAsText {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
}
switch {
case isRepresentableAsText:
if fInfo.st.IsSvgImage() {
ctx.Data["IsImageFile"] = true
ctx.Data["CanCopyContent"] = true
ctx.Data["HasSourceRenderedToggle"] = true
}
if fInfo.fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc), charset.ConvertOpts{})
shouldRenderSource := ctx.FormString("display") == "source"
readmeExist := util.IsReadmeFileName(blob.Name())
ctx.Data["ReadmeExist"] = readmeExist
markupType := markup.Type(blob.Name())
// If the markup is detected by custom markup renderer it should not be reset later on
// to not pass it down to the render context.
detected := false
if markupType == "" {
detected = true
markupType = markup.DetectRendererType(blob.Name(), bytes.NewReader(buf))
}
if markupType != "" {
ctx.Data["HasSourceRenderedToggle"] = true
}
if markupType != "" && !shouldRenderSource {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
if !detected {
markupType = ""
}
metas := ctx.Repo.Repository.ComposeDocumentMetas(ctx)
metas["BranchNameSubURL"] = ctx.Repo.BranchNameSubURL()
ctx.Data["EscapeStatus"], ctx.Data["FileContent"], err = markupRender(ctx, &markup.RenderContext{
Ctx: ctx,
Type: markupType,
RelativePath: ctx.Repo.TreePath,
Links: markup.Links{
Base: ctx.Repo.RepoLink,
BranchPath: ctx.Repo.BranchNameSubURL(),
TreePath: path.Dir(ctx.Repo.TreePath),
},
Metas: metas,
GitRepo: ctx.Repo.GitRepo,
}, rd)
if err != nil {
ctx.ServerError("Render", err)
return
}
// to prevent iframe load third-party url
ctx.Resp.Header().Add("Content-Security-Policy", "frame-src 'self'")
} else {
buf, _ := io.ReadAll(rd)
// The Open Group Base Specification: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html
// empty: 0 lines; "a": 1 incomplete-line; "a\n": 1 line; "a\nb": 1 line, 1 incomplete-line;
// Forgejo uses the definition (like most modern editors):
// empty: 0 lines; "a": 1 line; "a\n": 2 lines; "a\nb": 2 lines;
// When rendering, the last empty line is not rendered in UI, while the line-number is still counted, to tell users that the file contains a trailing EOL.
// To make the UI more consistent, it could use an icon mark to indicate that there is no trailing EOL, and show line-number as the rendered lines.
// This NumLines is only used for the display on the UI: "xxx lines"
if len(buf) == 0 {
ctx.Data["NumLines"] = 0
} else {
ctx.Data["NumLines"] = bytes.Count(buf, []byte{'\n'}) + 1
}
ctx.Data["NumLinesSet"] = true
language, err := files_service.TryGetContentLanguage(ctx.Repo.GitRepo, ctx.Repo.CommitID, ctx.Repo.TreePath)
if err != nil {
log.Error("Unable to get file language for %-v:%s. Error: %v", ctx.Repo.Repository, ctx.Repo.TreePath, err)
}
fileContent, lexerName, err := highlight.File(blob.Name(), language, buf)
ctx.Data["LexerName"] = lexerName
if err != nil {
log.Error("highlight.File failed, fallback to plain text: %v", err)
fileContent = highlight.PlainText(buf)
}
status := &charset.EscapeStatus{}
statuses := make([]*charset.EscapeStatus, len(fileContent))
for i, line := range fileContent {
statuses[i], fileContent[i] = charset.EscapeControlHTML(line, ctx.Locale, charset.FileviewContext)
status = status.Or(statuses[i])
}
ctx.Data["EscapeStatus"] = status
ctx.Data["FileContent"] = fileContent
ctx.Data["LineEscapeStatus"] = statuses
}
if !fInfo.isLFSFile {
if ctx.Repo.CanEnableEditor(ctx, ctx.Doer) {
if lfsLock != nil && lfsLock.OwnerID != ctx.Doer.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.CanWriteToBranch(ctx, ctx.Doer, ctx.Repo.BranchName) {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.fork_before_edit")
}
}
case fInfo.st.IsPDF():
ctx.Data["IsPDFFile"] = true
case fInfo.st.IsVideo():
ctx.Data["IsVideoFile"] = true
case fInfo.st.IsAudio():
ctx.Data["IsAudioFile"] = true
case fInfo.st.IsImage() && (setting.UI.SVG.Enabled || !fInfo.st.IsSvgImage()):
ctx.Data["IsImageFile"] = true
ctx.Data["CanCopyContent"] = true
default:
if fInfo.fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
if markupType := markup.Type(blob.Name()); markupType != "" {
rd := io.MultiReader(bytes.NewReader(buf), dataRc)
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["EscapeStatus"], ctx.Data["FileContent"], err = markupRender(ctx, &markup.RenderContext{
Ctx: ctx,
RelativePath: ctx.Repo.TreePath,
Links: markup.Links{
Base: ctx.Repo.RepoLink,
BranchPath: ctx.Repo.BranchNameSubURL(),
TreePath: path.Dir(ctx.Repo.TreePath),
},
Metas: ctx.Repo.Repository.ComposeDocumentMetas(ctx),
GitRepo: ctx.Repo.GitRepo,
}, rd)
if err != nil {
ctx.ServerError("Render", err)
return
}
}
}
if ctx.Repo.GitRepo != nil {
attrs, err := ctx.Repo.GitRepo.GitAttributes(ctx.Repo.CommitID, ctx.Repo.TreePath, "linguist-vendored", "linguist-generated")
if err != nil {
log.Error("GitAttributes(%s, %s) failed: %v", ctx.Repo.CommitID, ctx.Repo.TreePath, err)
} else {
ctx.Data["IsVendored"] = attrs["linguist-vendored"].Bool().Value()
ctx.Data["IsGenerated"] = attrs["linguist-generated"].Bool().Value()
}
}
if fInfo.st.IsImage() && !fInfo.st.IsSvgImage() {
img, _, err := image.DecodeConfig(bytes.NewReader(buf))
if err == nil {
// There are Image formats go can't decode
// Instead of throwing an error in that case, we show the size only when we can decode
ctx.Data["ImageSize"] = fmt.Sprintf("%dx%dpx", img.Width, img.Height)
}
}
if ctx.Repo.CanEnableEditor(ctx, ctx.Doer) {
if lfsLock != nil && lfsLock.OwnerID != ctx.Doer.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.CanWriteToBranch(ctx, ctx.Doer, ctx.Repo.BranchName) {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_have_write_access")
}
}
func markupRender(ctx *context.Context, renderCtx *markup.RenderContext, input io.Reader) (escaped *charset.EscapeStatus, output template.HTML, err error) {
markupRd, markupWr := io.Pipe()
defer markupWr.Close()
done := make(chan struct{})
go func() {
sb := &strings.Builder{}
// We allow NBSP here this is rendered
escaped, _ = charset.EscapeControlReader(markupRd, sb, ctx.Locale, charset.FileviewContext, charset.RuneNBSP)
output = template.HTML(sb.String())
close(done)
}()
err = markup.Render(renderCtx, input, markupWr)
_ = markupWr.CloseWithError(err)
<-done
return escaped, output, err
}
func checkHomeCodeViewable(ctx *context.Context) {
if len(ctx.Repo.Units) > 0 {
if ctx.Repo.Repository.IsBeingCreated() {
task, err := admin_model.GetMigratingTask(ctx, ctx.Repo.Repository.ID)
if err != nil {
if admin_model.IsErrTaskDoesNotExist(err) {
ctx.Data["Repo"] = ctx.Repo
ctx.Data["CloneAddr"] = ""
ctx.Data["Failed"] = true
ctx.HTML(http.StatusOK, tplMigrating)
return
}
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"], _ = util.SanitizeURL(cfg.CloneAddr)
ctx.Data["Failed"] = task.Status == structs.TaskStatusFailed
ctx.HTML(http.StatusOK, tplMigrating)
return
}
if ctx.IsSigned {
// Set repo notification-status read if unread
if err := activities_model.SetRepoReadBy(ctx, ctx.Repo.Repository.ID, ctx.Doer.ID); err != nil {
ctx.ServerError("ReadBy", err)
return
}
}
var firstUnit *unit_model.Unit
for _, repoUnit := range ctx.Repo.Units {
if repoUnit.Type == unit_model.TypeCode {
return
}
unit, ok := unit_model.Units[repoUnit.Type]
if ok && (firstUnit == nil || !firstUnit.IsLessThan(unit)) && repoUnit.Type.CanBeDefault() {
firstUnit = &unit
}
}
if firstUnit != nil {
ctx.Redirect(fmt.Sprintf("%s%s", ctx.Repo.Repository.Link(), firstUnit.URI))
return
}
}
ctx.NotFound("Home", fmt.Errorf(ctx.Locale.TrString("units.error.no_unit_allowed_repo")))
}
func checkCitationFile(ctx *context.Context, entry *git.TreeEntry) {
if entry.Name() != "" {
return
}
tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
if err != nil {
HandleGitError(ctx, "Repo.Commit.SubTree", err)
return
}
allEntries, err := tree.ListEntries()
if err != nil {
ctx.ServerError("ListEntries", err)
return
}
for _, entry := range allEntries {
if entry.Name() == "CITATION.cff" || entry.Name() == "CITATION.bib" {
// Read Citation file contents
if content, err := entry.Blob().GetBlobContent(setting.UI.MaxDisplayFileSize); err != nil {
log.Error("checkCitationFile: GetBlobContent: %v", err)
} else {
ctx.Data["CitiationExist"] = true
ctx.PageData["citationFileContent"] = content
break
}
}
}
}
// Home render repository home page
func Home(ctx *context.Context) {
if setting.Other.EnableFeed {
isFeed, _, showFeedType := feed.GetFeedType(ctx.Params(":reponame"), ctx.Req)
if isFeed {
if ctx.Link == fmt.Sprintf("%s.%s", ctx.Repo.RepoLink, showFeedType) {
feed.ShowRepoFeed(ctx, ctx.Repo.Repository, showFeedType)
return
}
if ctx.Repo.Repository.IsEmpty {
ctx.NotFound("MustBeNotEmpty", nil)
return
}
if ctx.Repo.TreePath == "" {
feed.ShowBranchFeed(ctx, ctx.Repo.Repository, showFeedType)
} else {
feed.ShowFileFeed(ctx, ctx.Repo.Repository, showFeedType)
}
return
}
}
checkHomeCodeViewable(ctx)
if ctx.Written() {
return
}
renderHomeCode(ctx)
}
// LastCommit returns lastCommit data for the provided branch/tag/commit and directory (in url) and filenames in body
func LastCommit(ctx *context.Context) {
checkHomeCodeViewable(ctx)
if ctx.Written() {
return
}
renderDirectoryFiles(ctx, 0)
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]
}
}
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
ctx.Data["BranchLink"] = branchLink
ctx.HTML(http.StatusOK, tplRepoViewList)
}
func renderDirectoryFiles(ctx *context.Context, timeout time.Duration) git.Entries {
tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
if err != nil {
HandleGitError(ctx, "Repo.Commit.SubTree", err)
return nil
}
ctx.Data["LastCommitLoaderURL"] = ctx.Repo.RepoLink + "/lastcommit/" + url.PathEscape(ctx.Repo.CommitID) + "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
// Get current entry user currently looking at.
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(ctx.Repo.TreePath)
if err != nil {
HandleGitError(ctx, "Repo.Commit.GetTreeEntryByPath", err)
return nil
}
if !entry.IsDir() {
HandleGitError(ctx, "Repo.Commit.GetTreeEntryByPath", err)
return nil
}
allEntries, err := tree.ListEntries()
if err != nil {
ctx.ServerError("ListEntries", err)
return nil
}
allEntries.CustomSort(base.NaturalSortLess)
commitInfoCtx := gocontext.Context(ctx)
if timeout > 0 {
var cancel gocontext.CancelFunc
commitInfoCtx, cancel = gocontext.WithTimeout(ctx, timeout)
defer cancel()
}
files, latestCommit, err := allEntries.GetCommitsInfo(commitInfoCtx, ctx.Repo.Commit, ctx.Repo.TreePath)
if err != nil {
ctx.ServerError("GetCommitsInfo", err)
return nil
}
ctx.Data["Files"] = files
for _, f := range files {
if f.Commit == nil {
ctx.Data["HasFilesWithoutLatestCommit"] = true
break
}
}
if !loadLatestCommitData(ctx, latestCommit) {
return nil
}
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
treeLink := branchLink
if len(ctx.Repo.TreePath) > 0 {
treeLink += "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
}
ctx.Data["TreeLink"] = treeLink
ctx.Data["SSHDomain"] = setting.SSH.Domain
return allEntries
}
func renderLanguageStats(ctx *context.Context) {
langs, err := repo_model.GetTopLanguageStats(ctx, ctx.Repo.Repository, 5)
if err != nil {
ctx.ServerError("Repo.GetTopLanguageStats", err)
return
}
ctx.Data["LanguageStats"] = langs
}
func renderRepoTopics(ctx *context.Context) {
topics, _, err := repo_model.FindTopics(ctx, &repo_model.FindTopicOptions{
RepoID: ctx.Repo.Repository.ID,
})
if err != nil {
ctx.ServerError("models.FindTopics", err)
return
}
ctx.Data["Topics"] = topics
}
func prepareOpenWithEditorApps(ctx *context.Context) {
var tmplApps []map[string]any
apps := setting.Config().Repository.OpenWithEditorApps.Value(ctx)
if len(apps) == 0 {
apps = setting.DefaultOpenWithEditorApps()
}
for _, app := range apps {
schema, _, _ := strings.Cut(app.OpenURL, ":")
var iconHTML template.HTML
if schema == "vscode" || schema == "vscodium" || schema == "jetbrains" {
iconHTML = svg.RenderHTML(fmt.Sprintf("gitea-open-with-%s", schema), 16, "tw-mr-2")
} else {
iconHTML = svg.RenderHTML("gitea-git", 16, "tw-mr-2") // TODO: it could support user's customized icon in the future
}
tmplApps = append(tmplApps, map[string]any{
"DisplayName": app.DisplayName,
"OpenURL": app.OpenURL,
"IconHTML": iconHTML,
})
}
ctx.Data["OpenWithEditorApps"] = tmplApps
}
func renderHomeCode(ctx *context.Context) {
ctx.Data["PageIsViewCode"] = true
ctx.Data["RepositoryUploadEnabled"] = setting.Repository.Upload.Enabled
prepareOpenWithEditorApps(ctx)
if ctx.Repo.Commit == nil || ctx.Repo.Repository.IsEmpty || ctx.Repo.Repository.IsBroken() {
showEmpty := true
var err error
if ctx.Repo.GitRepo != nil {
showEmpty, err = ctx.Repo.GitRepo.IsEmpty()
if err != nil {
log.Error("GitRepo.IsEmpty: %v", err)
ctx.Repo.Repository.Status = repo_model.RepositoryBroken
showEmpty = true
ctx.Flash.Error(ctx.Tr("error.occurred"), true)
}
}
if showEmpty {
ctx.HTML(http.StatusOK, tplRepoEMPTY)
return
}
// the repo is not really empty, so we should update the modal in database
// such problem may be caused by:
// 1) an error occurs during pushing/receiving. 2) the user replaces an empty git repo manually
// and even more: the IsEmpty flag is deeply broken and should be removed with the UI changed to manage to cope with empty repos.
// it's possible for a repository to be non-empty by that flag but still 500
// because there are no branches - only tags -or the default branch is non-extant as it has been 0-pushed.
ctx.Repo.Repository.IsEmpty = false
if err = repo_model.UpdateRepositoryCols(ctx, ctx.Repo.Repository, "is_empty"); err != nil {
ctx.ServerError("UpdateRepositoryCols", err)
return
}
if err = repo_module.UpdateRepoSize(ctx, ctx.Repo.Repository); err != nil {
ctx.ServerError("UpdateRepoSize", err)
return
}
// the repo's IsEmpty has been updated, redirect to this page to make sure middlewares can get the correct values
link := ctx.Link
if ctx.Req.URL.RawQuery != "" {
link += "?" + ctx.Req.URL.RawQuery
}
ctx.Redirect(link)
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
// 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 {
HandleGitError(ctx, "Repo.Commit.GetTreeEntryByPath", err)
return
}
checkOutdatedBranch(ctx)
checkCitationFile(ctx, entry)
if ctx.Written() {
return
}
renderLanguageStats(ctx)
if ctx.Written() {
return
}
if entry.IsDir() {
renderDirectory(ctx)
} else {
renderFile(ctx, entry)
}
if ctx.Written() {
return
}
if ctx.Doer != nil {
if err := ctx.Repo.Repository.GetBaseRepo(ctx); err != nil {
ctx.ServerError("GetBaseRepo", err)
return
}
// If the repo is a mirror, don't display recently pushed branches.
if ctx.Repo.Repository.IsMirror {
goto PostRecentBranchCheck
}
// If pull requests aren't enabled for either the current repo, or its
// base, don't display recently pushed branches.
if !(ctx.Repo.Repository.AllowsPulls(ctx) ||
(ctx.Repo.Repository.BaseRepo != nil && ctx.Repo.Repository.BaseRepo.AllowsPulls(ctx))) {
goto PostRecentBranchCheck
}
// Find recently pushed new branches to *this* repo.
branches, err := git_model.FindRecentlyPushedNewBranches(ctx, ctx.Repo.Repository.ID, ctx.Doer.ID, ctx.Repo.Repository.DefaultBranch)
if err != nil {
ctx.ServerError("FindRecentlyPushedBranches", err)
return
}
// If this is not a fork, check if the signed in user has a fork, and
// check branches there.
if !ctx.Repo.Repository.IsFork {
repo := repo_model.GetForkedRepo(ctx, ctx.Doer.ID, ctx.Repo.Repository.ID)
if repo != nil {
baseBranches, err := git_model.FindRecentlyPushedNewBranches(ctx, repo.ID, ctx.Doer.ID, repo.DefaultBranch)
if err != nil {
ctx.ServerError("FindRecentlyPushedBranches", err)
return
}
branches = append(branches, baseBranches...)
}
}
// Filter out branches that have no relation to the default branch of
// the repository.
var filteredBranches []*git_model.Branch
for _, branch := range branches {
repo, err := branch.GetRepo(ctx)
if err != nil {
continue
}
gitRepo, err := git.OpenRepository(ctx, repo.RepoPath())
if err != nil {
continue
}
defer gitRepo.Close()
head, err := gitRepo.GetCommit(branch.CommitID)
if err != nil {
continue
}
defaultBranch, err := gitrepo.GetDefaultBranch(ctx, repo)
if err != nil {
continue
}
defaultBranchHead, err := gitRepo.GetCommit(defaultBranch)
if err != nil {
continue
}
hasMergeBase, err := head.HasPreviousCommit(defaultBranchHead.ID)
if err != nil {
continue
}
if hasMergeBase {
filteredBranches = append(filteredBranches, branch)
}
}
ctx.Data["RecentlyPushedNewBranches"] = filteredBranches
}
PostRecentBranchCheck:
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
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
treeLink := branchLink
if len(ctx.Repo.TreePath) > 0 {
treeLink += "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
}
ctx.Data["TreeLink"] = treeLink
ctx.Data["TreeNames"] = treeNames
ctx.Data["BranchLink"] = branchLink
ctx.HTML(http.StatusOK, tplRepoHome)
}
func checkOutdatedBranch(ctx *context.Context) {
if !(ctx.Repo.IsAdmin() || ctx.Repo.IsOwner()) {
return
}
// get the head commit of the branch since ctx.Repo.CommitID is not always the head commit of `ctx.Repo.BranchName`
commit, err := ctx.Repo.GitRepo.GetBranchCommit(ctx.Repo.BranchName)
if err != nil {
log.Error("GetBranchCommitID: %v", err)
// Don't return an error page, as it can be rechecked the next time the user opens the page.
return
}
dbBranch, err := git_model.GetBranch(ctx, ctx.Repo.Repository.ID, ctx.Repo.BranchName)
if err != nil {
log.Error("GetBranch: %v", err)
// Don't return an error page, as it can be rechecked the next time the user opens the page.
return
}
if dbBranch.CommitID != commit.ID.String() {
ctx.Flash.Warning(ctx.Tr("repo.error.broken_git_hook", "https://docs.gitea.com/help/faq#push-hook--webhook--actions-arent-running"), true)
}
}
// RenderUserCards render a page show users according the input template
func RenderUserCards(ctx *context.Context, total int, getter func(opts db.ListOptions) ([]*user_model.User, error), tpl base.TplName) {
page := ctx.FormInt("page")
if page <= 0 {
page = 1
}
pager := context.NewPagination(total, setting.MaxUserCardsPerPage, page, 5)
ctx.Data["Page"] = pager
items, err := getter(db.ListOptions{
Page: pager.Paginater.Current(),
PageSize: setting.MaxUserCardsPerPage,
})
if err != nil {
ctx.ServerError("getter", err)
return
}
ctx.Data["Cards"] = items
ctx.HTML(http.StatusOK, 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, func(opts db.ListOptions) ([]*user_model.User, error) {
return repo_model.GetRepoWatchers(ctx, ctx.Repo.Repository.ID, opts)
}, 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, func(opts db.ListOptions) ([]*user_model.User, error) {
return repo_model.GetStargazers(ctx, ctx.Repo.Repository, opts)
}, tplWatchers)
}
// Forks render repository's forked users
func Forks(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.forks")
page := ctx.FormInt("page")
if page <= 0 {
page = 1
}
pager := context.NewPagination(ctx.Repo.Repository.NumForks, setting.MaxForksPerPage, page, 5)
ctx.Data["Page"] = pager
forks, err := repo_model.GetForks(ctx, ctx.Repo.Repository, db.ListOptions{
Page: pager.Paginater.Current(),
PageSize: setting.MaxForksPerPage,
})
if err != nil {
ctx.ServerError("GetForks", err)
return
}
for _, fork := range forks {
if err = fork.LoadOwner(ctx); err != nil {
ctx.ServerError("LoadOwner", err)
return
}
}
ctx.Data["Forks"] = forks
ctx.HTML(http.StatusOK, tplForks)
}