mirror of https://github.com/go-gitea/gitea.git
Refactor readme file renderer (#19502)
* Refactor readme file renderer * improve
This commit is contained in:
Lunny Xiao
GitHub
parent
e4274f640c
commit
d71df01077
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@ -146,6 +146,21 @@ func renderDirectory(ctx *context.Context, treeLink string) {
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ctx.Data["Title"] = ctx.Tr("repo.file.title", ctx.Repo.Repository.Name+"/"+path.Base(ctx.Repo.TreePath), ctx.Repo.RefName)
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}
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// Check permission to add or upload new file.
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if ctx.Repo.CanWrite(unit_model.TypeCode) && ctx.Repo.IsViewBranch {
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ctx.Data["CanAddFile"] = !ctx.Repo.Repository.IsArchived
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ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled && !ctx.Repo.Repository.IsArchived
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}
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readmeFile, readmeTreelink := findReadmeFile(ctx, entries, treeLink)
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if ctx.Written() || readmeFile == nil {
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return
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}
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renderReadmeFile(ctx, readmeFile, readmeTreelink)
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}
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func findReadmeFile(ctx *context.Context, entries git.Entries, treeLink string) (*namedBlob, string) {
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// 3 for the extensions in exts[] in order
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// the last one is for a readme that doesn't
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// strictly match an extension
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@ -183,7 +198,7 @@ func renderDirectory(ctx *context.Context, treeLink string) {
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target, err = entry.FollowLinks()
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if err != nil && !git.IsErrBadLink(err) {
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ctx.ServerError("FollowLinks", err)
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return
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return nil, ""
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}
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}
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log.Debug("%t", target == nil)
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@ -205,7 +220,7 @@ func renderDirectory(ctx *context.Context, treeLink string) {
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entry, err = entry.FollowLinks()
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if err != nil && !git.IsErrBadLink(err) {
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ctx.ServerError("FollowLinks", err)
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return
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return nil, ""
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}
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}
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if entry != nil && (entry.IsExecutable() || entry.IsRegular()) {
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@ -236,7 +251,7 @@ func renderDirectory(ctx *context.Context, treeLink string) {
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readmeFile, err = getReadmeFileFromPath(ctx.Repo.Commit, entry.GetSubJumpablePathName())
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if err != nil {
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ctx.ServerError("getReadmeFileFromPath", err)
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return
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return nil, ""
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}
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if readmeFile != nil {
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readmeFile.name = entry.Name() + "/" + readmeFile.name
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@ -245,129 +260,127 @@ func renderDirectory(ctx *context.Context, treeLink string) {
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}
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}
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}
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return readmeFile, readmeTreelink
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}
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if readmeFile != nil {
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ctx.Data["RawFileLink"] = ""
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ctx.Data["ReadmeInList"] = true
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ctx.Data["ReadmeExist"] = true
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ctx.Data["FileIsSymlink"] = readmeFile.isSymlink
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func renderReadmeFile(ctx *context.Context, readmeFile *namedBlob, readmeTreelink string) {
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ctx.Data["RawFileLink"] = ""
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ctx.Data["ReadmeInList"] = true
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ctx.Data["ReadmeExist"] = true
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ctx.Data["FileIsSymlink"] = readmeFile.isSymlink
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dataRc, err := readmeFile.blob.DataAsync()
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if err != nil {
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ctx.ServerError("Data", err)
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return
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}
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defer dataRc.Close()
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dataRc, err := readmeFile.blob.DataAsync()
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if err != nil {
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ctx.ServerError("Data", err)
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return
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}
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defer dataRc.Close()
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buf := make([]byte, 1024)
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n, _ := util.ReadAtMost(dataRc, buf)
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buf = buf[:n]
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buf := make([]byte, 1024)
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n, _ := util.ReadAtMost(dataRc, buf)
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buf = buf[:n]
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st := typesniffer.DetectContentType(buf)
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isTextFile := st.IsText()
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st := typesniffer.DetectContentType(buf)
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isTextFile := st.IsText()
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ctx.Data["FileIsText"] = isTextFile
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ctx.Data["FileName"] = readmeFile.name
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fileSize := int64(0)
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isLFSFile := false
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ctx.Data["IsLFSFile"] = false
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ctx.Data["FileIsText"] = isTextFile
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ctx.Data["FileName"] = readmeFile.name
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fileSize := int64(0)
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isLFSFile := false
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ctx.Data["IsLFSFile"] = false
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// FIXME: what happens when README file is an image?
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if isTextFile && setting.LFS.StartServer {
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pointer, _ := lfs.ReadPointerFromBuffer(buf)
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if pointer.IsValid() {
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meta, err := models.GetLFSMetaObjectByOid(ctx.Repo.Repository.ID, pointer.Oid)
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if err != nil && err != models.ErrLFSObjectNotExist {
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ctx.ServerError("GetLFSMetaObject", err)
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// FIXME: what happens when README file is an image?
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if isTextFile && setting.LFS.StartServer {
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pointer, _ := lfs.ReadPointerFromBuffer(buf)
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if pointer.IsValid() {
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meta, err := models.GetLFSMetaObjectByOid(ctx.Repo.Repository.ID, pointer.Oid)
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if err != nil && err != models.ErrLFSObjectNotExist {
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ctx.ServerError("GetLFSMetaObject", err)
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return
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}
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if meta != nil {
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ctx.Data["IsLFSFile"] = true
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isLFSFile = true
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// OK read the lfs object
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var err error
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dataRc, err = lfs.ReadMetaObject(pointer)
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if err != nil {
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ctx.ServerError("ReadMetaObject", err)
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return
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}
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if meta != nil {
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ctx.Data["IsLFSFile"] = true
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isLFSFile = true
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defer dataRc.Close()
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// OK read the lfs object
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var err error
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dataRc, err = lfs.ReadMetaObject(pointer)
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if err != nil {
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ctx.ServerError("ReadMetaObject", err)
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return
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}
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defer dataRc.Close()
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buf = make([]byte, 1024)
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n, err = util.ReadAtMost(dataRc, buf)
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if err != nil {
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ctx.ServerError("Data", err)
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return
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}
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buf = buf[:n]
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st = typesniffer.DetectContentType(buf)
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isTextFile = st.IsText()
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ctx.Data["IsTextFile"] = isTextFile
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fileSize = meta.Size
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ctx.Data["FileSize"] = meta.Size
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filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.name))
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ctx.Data["RawFileLink"] = fmt.Sprintf("%s.git/info/lfs/objects/%s/%s", ctx.Repo.Repository.HTMLURL(), url.PathEscape(meta.Oid), url.PathEscape(filenameBase64))
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buf = make([]byte, 1024)
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n, err = util.ReadAtMost(dataRc, buf)
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if err != nil {
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ctx.ServerError("Data", err)
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return
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}
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}
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}
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buf = buf[:n]
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if !isLFSFile {
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fileSize = readmeFile.blob.Size()
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}
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st = typesniffer.DetectContentType(buf)
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isTextFile = st.IsText()
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ctx.Data["IsTextFile"] = isTextFile
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if isTextFile {
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if fileSize >= setting.UI.MaxDisplayFileSize {
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// Pretend that this is a normal text file to display 'This file is too large to be shown'
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ctx.Data["IsFileTooLarge"] = true
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ctx.Data["IsTextFile"] = true
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ctx.Data["FileSize"] = fileSize
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} else {
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rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc))
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if markupType := markup.Type(readmeFile.name); markupType != "" {
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ctx.Data["IsMarkup"] = true
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ctx.Data["MarkupType"] = string(markupType)
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var result strings.Builder
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err := markup.Render(&markup.RenderContext{
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Ctx: ctx,
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Filename: readmeFile.name,
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URLPrefix: readmeTreelink,
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Metas: ctx.Repo.Repository.ComposeDocumentMetas(),
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GitRepo: ctx.Repo.GitRepo,
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}, rd, &result)
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if err != nil {
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log.Error("Render failed: %v then fallback", err)
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buf := &bytes.Buffer{}
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ctx.Data["EscapeStatus"], _ = charset.EscapeControlReader(rd, buf)
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ctx.Data["FileContent"] = strings.ReplaceAll(
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gotemplate.HTMLEscapeString(buf.String()), "\n", `<br>`,
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)
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} else {
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ctx.Data["EscapeStatus"], ctx.Data["FileContent"] = charset.EscapeControlString(result.String())
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}
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} else {
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ctx.Data["IsRenderedHTML"] = true
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buf := &bytes.Buffer{}
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ctx.Data["EscapeStatus"], err = charset.EscapeControlReader(rd, buf)
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if err != nil {
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log.Error("Read failed: %v", err)
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}
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ctx.Data["FileContent"] = strings.ReplaceAll(
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gotemplate.HTMLEscapeString(buf.String()), "\n", `<br>`,
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)
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}
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fileSize = meta.Size
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ctx.Data["FileSize"] = meta.Size
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filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.name))
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ctx.Data["RawFileLink"] = fmt.Sprintf("%s.git/info/lfs/objects/%s/%s", ctx.Repo.Repository.HTMLURL(), url.PathEscape(meta.Oid), url.PathEscape(filenameBase64))
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}
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}
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}
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// Check permission to add or upload new file.
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if ctx.Repo.CanWrite(unit_model.TypeCode) && ctx.Repo.IsViewBranch {
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ctx.Data["CanAddFile"] = !ctx.Repo.Repository.IsArchived
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ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled && !ctx.Repo.Repository.IsArchived
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if !isTextFile {
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return
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}
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if !isLFSFile {
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fileSize = readmeFile.blob.Size()
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}
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if fileSize >= setting.UI.MaxDisplayFileSize {
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// Pretend that this is a normal text file to display 'This file is too large to be shown'
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ctx.Data["IsFileTooLarge"] = true
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ctx.Data["IsTextFile"] = true
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ctx.Data["FileSize"] = fileSize
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return
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}
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rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc))
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if markupType := markup.Type(readmeFile.name); markupType != "" {
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ctx.Data["IsMarkup"] = true
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ctx.Data["MarkupType"] = string(markupType)
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var result strings.Builder
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err := markup.Render(&markup.RenderContext{
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Ctx: ctx,
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Filename: readmeFile.name,
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URLPrefix: readmeTreelink,
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Metas: ctx.Repo.Repository.ComposeDocumentMetas(),
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GitRepo: ctx.Repo.GitRepo,
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}, rd, &result)
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if err != nil {
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log.Error("Render failed: %v then fallback", err)
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buf := &bytes.Buffer{}
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ctx.Data["EscapeStatus"], _ = charset.EscapeControlReader(rd, buf)
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ctx.Data["FileContent"] = strings.ReplaceAll(
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gotemplate.HTMLEscapeString(buf.String()), "\n", `<br>`,
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)
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} else {
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ctx.Data["EscapeStatus"], ctx.Data["FileContent"] = charset.EscapeControlString(result.String())
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}
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} else {
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ctx.Data["IsRenderedHTML"] = true
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buf := &bytes.Buffer{}
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ctx.Data["EscapeStatus"], err = charset.EscapeControlReader(rd, buf)
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if err != nil {
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log.Error("Read failed: %v", err)
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}
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ctx.Data["FileContent"] = strings.ReplaceAll(
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gotemplate.HTMLEscapeString(buf.String()), "\n", `<br>`,
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)
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}
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}
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