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// Copyright 2020 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 (
"encoding/base64"
"fmt"
"path"
"github.com/gogs/git-module"
"github.com/pkg/errors"
"gogs.io/gogs/internal/context"
"gogs.io/gogs/internal/gitutil"
)
func GetContents(c *context.APIContext) {
gitRepo, err := git.Open(c.Repo.Repository.RepoPath())
if err != nil {
c.Error(err, "open repository")
return
}
ref := c.Query("ref")
if ref == "" {
ref = c.Repo.Repository.DefaultBranch
}
commit, err := gitRepo.CatFileCommit(ref)
if err != nil {
c.NotFoundOrError(gitutil.NewError(err), "get commit")
return
}
treePath := c.Params("*")
entry, err := commit.TreeEntry(treePath)
if err != nil {
c.NotFoundOrError(gitutil.NewError(err), "get tree entry")
return
}
type links struct {
Git string `json:"git"`
Self string `json:"self"`
HTML string `json:"html"`
}
type repoContent struct {
Type string `json:"type"`
Target string `json:"target,omitempty"`
SubmoduleGitURL string `json:"submodule_git_url,omitempty"`
Encoding string `json:"encoding,omitempty"`
Size int64 `json:"size"`
Name string `json:"name"`
Path string `json:"path"`
Content string `json:"content,omitempty"`
Sha string `json:"sha"`
URL string `json:"url"`
GitURL string `json:"git_url"`
HTMLURL string `json:"html_url"`
DownloadURL string `json:"download_url"`
Links links `json:"_links"`
}
toRepoContent := func(subpath string, entry *git.TreeEntry) (*repoContent, error) {
repoURL := fmt.Sprintf("%s/repos/%s/%s", c.BaseURL, c.Params(":username"), c.Params(":reponame"))
selfURL := fmt.Sprintf("%s/contents/%s", repoURL, subpath)
htmlURL := fmt.Sprintf("%s/src/%s/%s", c.Repo.Repository.HTMLURL(), ref, entry.Name())
downloadURL := fmt.Sprintf("%s/raw/%s/%s", c.Repo.Repository.HTMLURL(), ref, entry.Name())
content := &repoContent{
Size: entry.Size(),
Name: entry.Name(),
Path: subpath,
Sha: entry.ID().String(),
URL: selfURL,
HTMLURL: htmlURL,
DownloadURL: downloadURL,
Links: links{
Self: selfURL,
HTML: htmlURL,
},
}
switch {
case entry.IsBlob(), entry.IsExec():
content.Type = "file"
p, err := entry.Blob().Bytes()
if err != nil {
return nil, errors.Wrap(err, "get blob content")
}
content.Encoding = "base64"
content.Content = base64.StdEncoding.EncodeToString(p)
content.GitURL = fmt.Sprintf("%s/git/blobs/%s", repoURL, entry.ID().String())
case entry.IsTree():
content.Type = "dir"
content.GitURL = fmt.Sprintf("%s/git/trees/%s", repoURL, entry.ID().String())
case entry.IsSymlink():
content.Type = "symlink"
p, err := entry.Blob().Bytes()
if err != nil {
return nil, errors.Wrap(err, "get blob content")
}
content.Target = string(p)
case entry.IsCommit():
content.Type = "submodule"
mod, err := commit.Submodule(subpath)
if err != nil {
return nil, errors.Wrap(err, "get submodule")
}
content.SubmoduleGitURL = mod.URL
default:
panic("unreachable")
}
content.Links.Git = content.GitURL
return content, nil
}
if !entry.IsTree() {
content, err := toRepoContent(treePath, entry)
if err != nil {
c.Errorf(err, "convert %q to repoContent", treePath)
return
}
c.JSONSuccess(content)
return
}
// The entry is a directory
dir, err := gitRepo.LsTree(entry.ID().String())
if err != nil {
c.NotFoundOrError(gitutil.NewError(err), "get tree")
return
}
entries, err := dir.Entries()
if err != nil {
c.NotFoundOrError(gitutil.NewError(err), "list entries")
return
}
if len(entries) == 0 {
c.JSONSuccess([]string{})
return
}
contents := make([]*repoContent, 0, len(entries))
for _, entry := range entries {
subpath := path.Join(treePath, entry.Name())
content, err := toRepoContent(subpath, entry)
if err != nil {
c.Errorf(err, "convert %q to repoContent", subpath)
return
}
contents = append(contents, content)
}
c.JSONSuccess(contents)
}
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