mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-30 05:50:50 +01:00
81702e6ec9
* Detect charset and convert non UTF-8 files for display * Refactor and move function to correct module * Revert unrelated changes * More unrelated changes * Duplicate content for small text to have better encoding detection * Check if original content is valid before duplicating it
431 lines
12 KiB
Go
431 lines
12 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Copyright 2014 The Gogs 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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"bytes"
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"encoding/base64"
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"fmt"
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gotemplate "html/template"
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"io/ioutil"
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"path"
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"strconv"
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"strings"
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"code.gitea.io/git"
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"code.gitea.io/gitea/models"
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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/highlight"
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"code.gitea.io/gitea/modules/lfs"
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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/setting"
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"code.gitea.io/gitea/modules/templates"
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"github.com/Unknwon/paginater"
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)
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const (
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tplRepoBARE base.TplName = "repo/bare"
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tplRepoHome base.TplName = "repo/home"
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tplWatchers base.TplName = "repo/watchers"
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tplForks base.TplName = "repo/forks"
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)
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func renderDirectory(ctx *context.Context, treeLink string) {
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tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
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if err != nil {
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ctx.NotFoundOrServerError("Repo.Commit.SubTree", git.IsErrNotExist, err)
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return
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}
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entries, err := tree.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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entries.CustomSort(base.NaturalSortLess)
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ctx.Data["Files"], err = entries.GetCommitsInfo(ctx.Repo.Commit, ctx.Repo.TreePath)
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if err != nil {
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ctx.ServerError("GetCommitsInfo", err)
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return
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}
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var readmeFile *git.Blob
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for _, entry := range entries {
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if entry.IsDir() {
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continue
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}
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if !markup.IsReadmeFile(entry.Name()) {
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continue
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}
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readmeFile = entry.Blob()
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if markup.Type(entry.Name()) != "" {
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break
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}
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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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dataRc, err := readmeFile.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, _ := dataRc.Read(buf)
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buf = buf[:n]
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isTextFile := base.IsTextFile(buf)
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ctx.Data["FileIsText"] = isTextFile
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ctx.Data["FileName"] = readmeFile.Name()
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// FIXME: what happens when README file is an image?
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if isTextFile {
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if readmeFile.Size() >= 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"] = readmeFile.Size()
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} else {
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d, _ := ioutil.ReadAll(dataRc)
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buf = templates.ToUTF8WithFallback(append(buf, d...))
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if markup.Type(readmeFile.Name()) != "" {
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ctx.Data["IsMarkup"] = true
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ctx.Data["FileContent"] = string(markup.Render(readmeFile.Name(), buf, treeLink, ctx.Repo.Repository.ComposeMetas()))
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} else {
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ctx.Data["IsRenderedHTML"] = true
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ctx.Data["FileContent"] = strings.Replace(
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gotemplate.HTMLEscapeString(string(buf)), "\n", `<br>`, -1,
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)
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}
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}
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}
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}
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// Show latest commit info of repository in table header,
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// or of directory if not in root directory.
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latestCommit := ctx.Repo.Commit
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if len(ctx.Repo.TreePath) > 0 {
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latestCommit, err = ctx.Repo.Commit.GetCommitByPath(ctx.Repo.TreePath)
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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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}
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ctx.Data["LatestCommit"] = latestCommit
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ctx.Data["LatestCommitVerification"] = models.ParseCommitWithSignature(latestCommit)
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ctx.Data["LatestCommitUser"] = models.ValidateCommitWithEmail(latestCommit)
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statuses, err := models.GetLatestCommitStatus(ctx.Repo.Repository, ctx.Repo.Commit.ID.String(), 0)
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if err != nil {
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log.Error(3, "GetLatestCommitStatus: %v", err)
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}
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ctx.Data["LatestCommitStatus"] = models.CalcCommitStatus(statuses)
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// Check permission to add or upload new file.
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if ctx.Repo.IsWriter() && ctx.Repo.IsViewBranch {
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ctx.Data["CanAddFile"] = true
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ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled
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}
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}
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func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink string) {
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ctx.Data["IsViewFile"] = true
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blob := entry.Blob()
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dataRc, err := blob.DataAsync()
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if err != nil {
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ctx.ServerError("DataAsync", err)
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return
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}
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defer dataRc.Close()
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ctx.Data["Title"] = ctx.Data["Title"].(string) + " - " + ctx.Repo.TreePath + " at " + ctx.Repo.BranchName
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ctx.Data["FileSize"] = blob.Size()
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ctx.Data["FileName"] = blob.Name()
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ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(blob.Name())
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ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
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buf := make([]byte, 1024)
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n, _ := dataRc.Read(buf)
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buf = buf[:n]
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isTextFile := base.IsTextFile(buf)
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ctx.Data["IsTextFile"] = isTextFile
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//Check for LFS meta file
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if isTextFile && setting.LFS.StartServer {
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headString := string(buf)
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if strings.HasPrefix(headString, models.LFSMetaFileIdentifier) {
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splitLines := strings.Split(headString, "\n")
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if len(splitLines) >= 3 {
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oid := strings.TrimPrefix(splitLines[1], models.LFSMetaFileOidPrefix)
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size, err := strconv.ParseInt(strings.TrimPrefix(splitLines[2], "size "), 10, 64)
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if len(oid) == 64 && err == nil {
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contentStore := &lfs.ContentStore{BasePath: setting.LFS.ContentPath}
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meta := &models.LFSMetaObject{Oid: oid}
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if contentStore.Exists(meta) {
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ctx.Data["IsTextFile"] = false
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isTextFile = false
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ctx.Data["IsLFSFile"] = true
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ctx.Data["FileSize"] = size
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filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(blob.Name()))
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ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), oid, filenameBase64)
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}
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}
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}
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}
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}
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// Assume file is not editable first.
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if !isTextFile {
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ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
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}
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switch {
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case isTextFile:
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if blob.Size() >= setting.UI.MaxDisplayFileSize {
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ctx.Data["IsFileTooLarge"] = true
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break
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}
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d, _ := ioutil.ReadAll(dataRc)
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buf = templates.ToUTF8WithFallback(append(buf, d...))
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readmeExist := markup.IsReadmeFile(blob.Name())
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ctx.Data["ReadmeExist"] = readmeExist
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if markup.Type(blob.Name()) != "" {
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ctx.Data["IsMarkup"] = true
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ctx.Data["FileContent"] = string(markup.Render(blob.Name(), buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeMetas()))
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} else if readmeExist {
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ctx.Data["IsRenderedHTML"] = true
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ctx.Data["FileContent"] = strings.Replace(
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gotemplate.HTMLEscapeString(string(buf)), "\n", `<br>`, -1,
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)
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} else {
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// Building code view blocks with line number on server side.
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var fileContent string
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if content, err := templates.ToUTF8WithErr(buf); err != nil {
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if err != nil {
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log.Error(4, "ToUTF8WithErr: %v", err)
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}
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fileContent = string(buf)
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} else {
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fileContent = content
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}
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var output bytes.Buffer
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lines := strings.Split(fileContent, "\n")
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//Remove blank line at the end of file
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if len(lines) > 0 && lines[len(lines)-1] == "" {
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lines = lines[:len(lines)-1]
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}
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for index, line := range lines {
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line = gotemplate.HTMLEscapeString(line)
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if index != len(lines)-1 {
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line += "\n"
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}
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output.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, index+1, index+1, line))
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}
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ctx.Data["FileContent"] = gotemplate.HTML(output.String())
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output.Reset()
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for i := 0; i < len(lines); i++ {
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output.WriteString(fmt.Sprintf(`<span id="L%d">%d</span>`, i+1, i+1))
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}
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ctx.Data["LineNums"] = gotemplate.HTML(output.String())
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}
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if ctx.Repo.CanEnableEditor() {
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ctx.Data["CanEditFile"] = true
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ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.edit_this_file")
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} else if !ctx.Repo.IsViewBranch {
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ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
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} else if !ctx.Repo.IsWriter() {
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ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.fork_before_edit")
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}
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case base.IsPDFFile(buf):
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ctx.Data["IsPDFFile"] = true
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case base.IsVideoFile(buf):
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ctx.Data["IsVideoFile"] = true
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case base.IsImageFile(buf):
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ctx.Data["IsImageFile"] = true
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}
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if ctx.Repo.CanEnableEditor() {
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ctx.Data["CanDeleteFile"] = true
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ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.delete_this_file")
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} else if !ctx.Repo.IsViewBranch {
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ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
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} else if !ctx.Repo.IsWriter() {
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ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_have_write_access")
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}
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}
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// Home render repository home page
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func Home(ctx *context.Context) {
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if len(ctx.Repo.Repository.Units) > 0 {
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var firstUnit *models.Unit
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for _, repoUnit := range ctx.Repo.Repository.Units {
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if repoUnit.Type == models.UnitTypeCode {
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renderCode(ctx)
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return
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}
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unit, ok := models.Units[repoUnit.Type]
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if ok && (firstUnit == nil || !firstUnit.IsLessThan(unit)) {
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firstUnit = &unit
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}
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}
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if firstUnit != nil {
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ctx.Redirect(fmt.Sprintf("%s/%s%s", setting.AppSubURL, ctx.Repo.Repository.FullName(), firstUnit.URI))
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return
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}
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}
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ctx.NotFound("Home", fmt.Errorf(ctx.Tr("units.error.no_unit_allowed_repo")))
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}
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func renderCode(ctx *context.Context) {
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ctx.Data["PageIsViewCode"] = true
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if ctx.Repo.Repository.IsBare {
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ctx.HTML(200, tplRepoBARE)
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return
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}
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title := ctx.Repo.Repository.Owner.Name + "/" + ctx.Repo.Repository.Name
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if len(ctx.Repo.Repository.Description) > 0 {
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title += ": " + ctx.Repo.Repository.Description
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}
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ctx.Data["Title"] = title
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ctx.Data["RequireHighlightJS"] = true
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branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
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treeLink := branchLink
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rawLink := ctx.Repo.RepoLink + "/raw/" + ctx.Repo.BranchNameSubURL()
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if len(ctx.Repo.TreePath) > 0 {
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treeLink += "/" + ctx.Repo.TreePath
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}
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// Get Topics of this repo
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topics, err := models.FindTopics(&models.FindTopicOptions{
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RepoID: ctx.Repo.Repository.ID,
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})
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if err != nil {
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ctx.ServerError("models.FindTopics", err)
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return
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}
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ctx.Data["Topics"] = topics
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// Get current entry user currently looking at.
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entry, err := ctx.Repo.Commit.GetTreeEntryByPath(ctx.Repo.TreePath)
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if err != nil {
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ctx.NotFoundOrServerError("Repo.Commit.GetTreeEntryByPath", git.IsErrNotExist, err)
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return
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}
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if entry.IsDir() {
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renderDirectory(ctx, treeLink)
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} else {
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renderFile(ctx, entry, treeLink, rawLink)
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}
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if ctx.Written() {
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return
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}
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var treeNames []string
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paths := make([]string, 0, 5)
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if len(ctx.Repo.TreePath) > 0 {
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treeNames = strings.Split(ctx.Repo.TreePath, "/")
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for i := range treeNames {
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paths = append(paths, strings.Join(treeNames[:i+1], "/"))
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}
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ctx.Data["HasParentPath"] = true
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if len(paths)-2 >= 0 {
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ctx.Data["ParentPath"] = "/" + paths[len(paths)-2]
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}
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}
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ctx.Data["Paths"] = paths
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ctx.Data["TreeLink"] = treeLink
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ctx.Data["TreeNames"] = treeNames
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ctx.Data["BranchLink"] = branchLink
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ctx.HTML(200, tplRepoHome)
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}
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// RenderUserCards render a page show users according the input templaet
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func RenderUserCards(ctx *context.Context, total int, getter func(page int) ([]*models.User, error), tpl base.TplName) {
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page := ctx.QueryInt("page")
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if page <= 0 {
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page = 1
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}
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pager := paginater.New(total, models.ItemsPerPage, page, 5)
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ctx.Data["Page"] = pager
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items, err := getter(pager.Current())
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if err != nil {
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ctx.ServerError("getter", err)
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return
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}
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ctx.Data["Cards"] = items
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ctx.HTML(200, tpl)
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}
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// Watchers render repository's watch users
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func Watchers(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("repo.watchers")
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ctx.Data["CardsTitle"] = ctx.Tr("repo.watchers")
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ctx.Data["PageIsWatchers"] = true
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RenderUserCards(ctx, ctx.Repo.Repository.NumWatches, ctx.Repo.Repository.GetWatchers, tplWatchers)
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}
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// Stars render repository's starred users
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func Stars(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("repo.stargazers")
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ctx.Data["CardsTitle"] = ctx.Tr("repo.stargazers")
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ctx.Data["PageIsStargazers"] = true
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RenderUserCards(ctx, ctx.Repo.Repository.NumStars, ctx.Repo.Repository.GetStargazers, tplWatchers)
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}
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// Forks render repository's forked users
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func Forks(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("repos.forks")
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forks, err := ctx.Repo.Repository.GetForks()
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if err != nil {
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ctx.ServerError("GetForks", err)
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return
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}
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for _, fork := range forks {
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if err = fork.GetOwner(); err != nil {
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ctx.ServerError("GetOwner", err)
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return
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}
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}
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ctx.Data["Forks"] = forks
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ctx.HTML(200, tplForks)
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}
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