forgejo-federation/routers/repo/view.go

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// 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"
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"fmt"
gotemplate "html/template"
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"io/ioutil"
"path"
"strings"
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"code.gitea.io/git"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/template"
"code.gitea.io/gitea/modules/template/highlight"
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"github.com/Unknwon/paginater"
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)
const (
tplRepoHome base.TplName = "repo/home"
tplWatchers base.TplName = "repo/watchers"
tplForks base.TplName = "repo/forks"
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)
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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
}
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entries, err := tree.ListEntries()
if err != nil {
ctx.Handle(500, "ListEntries", err)
return
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}
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entries.Sort()
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ctx.Data["Files"], err = entries.GetCommitsInfo(ctx.Repo.Commit, ctx.Repo.TreePath)
if err != nil {
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ctx.Handle(500, "GetCommitsInfo", err)
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return
}
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var readmeFile *git.Blob
for _, entry := range entries {
if entry.IsDir() || !markdown.IsReadmeFile(entry.Name()) {
continue
}
// TODO: collect all possible README files and show with priority.
readmeFile = entry.Blob()
break
}
if readmeFile != nil {
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ctx.Data["RawFileLink"] = ""
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ctx.Data["ReadmeInList"] = true
ctx.Data["ReadmeExist"] = true
dataRc, err := readmeFile.Data()
if err != nil {
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ctx.Handle(500, "Data", err)
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return
}
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buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
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buf = buf[:n]
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isTextFile := base.IsTextFile(buf)
ctx.Data["FileIsText"] = isTextFile
ctx.Data["FileName"] = readmeFile.Name()
// FIXME: what happens when README file is an image?
if isTextFile {
d, _ := ioutil.ReadAll(dataRc)
buf = append(buf, d...)
switch {
case markdown.IsMarkdownFile(readmeFile.Name()):
ctx.Data["IsMarkdown"] = true
buf = markdown.Render(buf, treeLink, ctx.Repo.Repository.ComposeMetas())
default:
// FIXME This is the only way to show non-markdown files
// instead of a broken "View Raw" link
ctx.Data["IsMarkdown"] = true
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buf = bytes.Replace(buf, []byte("\n"), []byte(`<br>`), -1)
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}
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ctx.Data["FileContent"] = string(buf)
}
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}
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// Show latest commit info of repository in table header,
// or of directory if not in root directory.
latestCommit := ctx.Repo.Commit
if len(ctx.Repo.TreePath) > 0 {
latestCommit, err = ctx.Repo.Commit.GetCommitByPath(ctx.Repo.TreePath)
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if err != nil {
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ctx.Handle(500, "GetCommitByPath", err)
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return
}
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}
ctx.Data["LatestCommit"] = latestCommit
ctx.Data["LatestCommitUser"] = models.ValidateCommitWithEmail(latestCommit)
// Check permission to add or upload new file.
if ctx.Repo.IsWriter() && ctx.Repo.IsViewBranch {
ctx.Data["CanAddFile"] = true
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ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled
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}
}
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func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink string) {
ctx.Data["IsViewFile"] = true
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blob := entry.Blob()
dataRc, err := blob.Data()
if err != nil {
ctx.Handle(500, "Data", err)
return
}
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ctx.Data["FileSize"] = blob.Size()
ctx.Data["FileName"] = blob.Name()
ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(blob.Name())
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
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buf = buf[:n]
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isTextFile := base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
// Assume file is not editable first.
if !isTextFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
}
switch {
case isTextFile:
if blob.Size() >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
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}
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d, _ := ioutil.ReadAll(dataRc)
buf = append(buf, d...)
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isMarkdown := markdown.IsMarkdownFile(blob.Name())
ctx.Data["IsMarkdown"] = isMarkdown
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readmeExist := isMarkdown || markdown.IsReadmeFile(blob.Name())
ctx.Data["ReadmeExist"] = readmeExist
if readmeExist && isMarkdown {
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ctx.Data["FileContent"] = string(markdown.Render(buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeMetas()))
} else {
// Building code view blocks with line number on server side.
var fileContent string
if err, content := template.ToUTF8WithErr(buf); err != nil {
if err != nil {
log.Error(4, "ToUTF8WithErr: %s", err)
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}
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fileContent = string(buf)
} else {
fileContent = content
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}
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var output bytes.Buffer
lines := strings.Split(fileContent, "\n")
for index, line := range lines {
output.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, index+1, index+1, gotemplate.HTMLEscapeString(line)) + "\n")
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}
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ctx.Data["FileContent"] = gotemplate.HTML(output.String())
output.Reset()
for i := 0; i < len(lines); i++ {
output.WriteString(fmt.Sprintf(`<span id="L%d">%d</span>`, i+1, i+1))
}
ctx.Data["LineNums"] = gotemplate.HTML(output.String())
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}
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if ctx.Repo.CanEnableEditor() {
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.IsWriter() {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.fork_before_edit")
}
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case base.IsPDFFile(buf):
ctx.Data["IsPDFFile"] = true
case base.IsImageFile(buf):
ctx.Data["IsImageFile"] = true
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}
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if ctx.Repo.CanEnableEditor() {
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.IsWriter() {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_have_write_access")
}
}
// Home render repository home page
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func Home(ctx *context.Context) {
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
ctx.Data["PageIsViewCode"] = true
ctx.Data["RequireHighlightJS"] = true
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchName
treeLink := branchLink
rawLink := ctx.Repo.RepoLink + "/raw/" + ctx.Repo.BranchName
if len(ctx.Repo.TreePath) > 0 {
treeLink += "/" + ctx.Repo.TreePath
}
// 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
}
if entry.IsDir() {
renderDirectory(ctx, treeLink)
} else {
renderFile(ctx, entry, treeLink, rawLink)
}
if ctx.Written() {
return
}
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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], "/"))
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}
ctx.Data["HasParentPath"] = true
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if len(paths)-2 >= 0 {
ctx.Data["ParentPath"] = "/" + paths[len(paths)-2]
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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
ctx.HTML(200, tplRepoHome)
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}
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// RenderUserCards render a page show users accroding 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")
if page <= 0 {
page = 1
}
pager := paginater.New(total, models.ItemsPerPage, page, 5)
ctx.Data["Page"] = pager
items, err := getter(pager.Current())
if err != nil {
ctx.Handle(500, "getter", err)
return
}
ctx.Data["Cards"] = items
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ctx.HTML(200, tpl)
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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")
ctx.Data["CardsTitle"] = ctx.Tr("repo.watchers")
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ctx.Data["PageIsWatchers"] = true
RenderUserCards(ctx, ctx.Repo.Repository.NumWatches, ctx.Repo.Repository.GetWatchers, tplWatchers)
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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")
ctx.Data["CardsTitle"] = ctx.Tr("repo.stargazers")
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ctx.Data["PageIsStargazers"] = true
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")
forks, err := ctx.Repo.Repository.GetForks()
if err != nil {
ctx.Handle(500, "GetForks", err)
return
}
for _, fork := range forks {
if err = fork.GetOwner(); err != nil {
ctx.Handle(500, "GetOwner", err)
return
}
}
ctx.Data["Forks"] = forks
ctx.HTML(200, tplForks)
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}