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217 lines
5.9 KiB
217 lines
5.9 KiB
// Copyright 2019 The Gitea 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 repofiles
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import (
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"fmt"
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"net/url"
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"path"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/git"
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api "code.gitea.io/gitea/modules/structs"
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)
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// ContentType repo content type
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type ContentType string
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// The string representations of different content types
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const (
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// ContentTypeRegular regular content type (file)
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ContentTypeRegular ContentType = "file"
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// ContentTypeDir dir content type (dir)
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ContentTypeDir ContentType = "dir"
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// ContentLink link content type (symlink)
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ContentTypeLink ContentType = "symlink"
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// ContentTag submodule content type (submodule)
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ContentTypeSubmodule ContentType = "submodule"
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)
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// String gets the string of ContentType
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func (ct *ContentType) String() string {
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return string(*ct)
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}
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// GetContentsOrList gets the meta data of a file's contents (*ContentsResponse) if treePath not a tree
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// directory, otherwise a listing of file contents ([]*ContentsResponse). Ref can be a branch, commit or tag
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func GetContentsOrList(repo *models.Repository, treePath, ref string) (interface{}, error) {
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if repo.IsEmpty {
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return make([]interface{}, 0), nil
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}
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if ref == "" {
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ref = repo.DefaultBranch
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}
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origRef := ref
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// Check that the path given in opts.treePath is valid (not a git path)
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cleanTreePath := CleanUploadFileName(treePath)
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if cleanTreePath == "" && treePath != "" {
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return nil, models.ErrFilenameInvalid{
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Path: treePath,
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}
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}
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treePath = cleanTreePath
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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return nil, err
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}
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defer gitRepo.Close()
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// Get the commit object for the ref
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commit, err := gitRepo.GetCommit(ref)
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if err != nil {
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return nil, err
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}
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entry, err := commit.GetTreeEntryByPath(treePath)
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if err != nil {
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return nil, err
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}
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if entry.Type() != "tree" {
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return GetContents(repo, treePath, origRef, false)
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}
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// We are in a directory, so we return a list of FileContentResponse objects
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var fileList []*api.ContentsResponse
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gitTree, err := commit.SubTree(treePath)
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if err != nil {
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return nil, err
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}
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entries, err := gitTree.ListEntries()
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if err != nil {
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return nil, err
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}
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for _, e := range entries {
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subTreePath := path.Join(treePath, e.Name())
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fileContentResponse, err := GetContents(repo, subTreePath, origRef, true)
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if err != nil {
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return nil, err
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}
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fileList = append(fileList, fileContentResponse)
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}
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return fileList, nil
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}
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// GetContents gets the meta data on a file's contents. Ref can be a branch, commit or tag
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func GetContents(repo *models.Repository, treePath, ref string, forList bool) (*api.ContentsResponse, error) {
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if ref == "" {
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ref = repo.DefaultBranch
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}
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origRef := ref
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// Check that the path given in opts.treePath is valid (not a git path)
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cleanTreePath := CleanUploadFileName(treePath)
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if cleanTreePath == "" && treePath != "" {
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return nil, models.ErrFilenameInvalid{
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Path: treePath,
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}
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}
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treePath = cleanTreePath
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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return nil, err
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}
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defer gitRepo.Close()
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// Get the commit object for the ref
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commit, err := gitRepo.GetCommit(ref)
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if err != nil {
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return nil, err
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}
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commitID := commit.ID.String()
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if len(ref) >= 4 && strings.HasPrefix(commitID, ref) {
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ref = commit.ID.String()
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}
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entry, err := commit.GetTreeEntryByPath(treePath)
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if err != nil {
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return nil, err
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}
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refType := gitRepo.GetRefType(ref)
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if refType == "invalid" {
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return nil, fmt.Errorf("no commit found for the ref [ref: %s]", ref)
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}
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selfURL, err := url.Parse(fmt.Sprintf("%s/contents/%s?ref=%s", repo.APIURL(), treePath, origRef))
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if err != nil {
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return nil, err
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}
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selfURLString := selfURL.String()
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// All content types have these fields in populated
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contentsResponse := &api.ContentsResponse{
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Name: entry.Name(),
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Path: treePath,
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SHA: entry.ID.String(),
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Size: entry.Size(),
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URL: &selfURLString,
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Links: &api.FileLinksResponse{
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Self: &selfURLString,
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},
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}
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// Now populate the rest of the ContentsResponse based on entry type
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if entry.IsRegular() || entry.IsExecutable() {
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contentsResponse.Type = string(ContentTypeRegular)
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if blobResponse, err := GetBlobBySHA(repo, entry.ID.String()); err != nil {
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return nil, err
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} else if !forList {
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// We don't show the content if we are getting a list of FileContentResponses
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contentsResponse.Encoding = &blobResponse.Encoding
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contentsResponse.Content = &blobResponse.Content
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}
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} else if entry.IsDir() {
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contentsResponse.Type = string(ContentTypeDir)
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} else if entry.IsLink() {
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contentsResponse.Type = string(ContentTypeLink)
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// The target of a symlink file is the content of the file
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targetFromContent, err := entry.Blob().GetBlobContent()
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if err != nil {
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return nil, err
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}
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contentsResponse.Target = &targetFromContent
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} else if entry.IsSubModule() {
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contentsResponse.Type = string(ContentTypeSubmodule)
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submodule, err := commit.GetSubModule(treePath)
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if err != nil {
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return nil, err
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}
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contentsResponse.SubmoduleGitURL = &submodule.URL
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}
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// Handle links
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if entry.IsRegular() || entry.IsLink() {
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downloadURL, err := url.Parse(fmt.Sprintf("%s/raw/%s/%s/%s", repo.HTMLURL(), refType, ref, treePath))
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if err != nil {
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return nil, err
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}
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downloadURLString := downloadURL.String()
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contentsResponse.DownloadURL = &downloadURLString
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}
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if !entry.IsSubModule() {
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htmlURL, err := url.Parse(fmt.Sprintf("%s/src/%s/%s/%s", repo.HTMLURL(), refType, ref, treePath))
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if err != nil {
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return nil, err
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}
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htmlURLString := htmlURL.String()
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contentsResponse.HTMLURL = &htmlURLString
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contentsResponse.Links.HTMLURL = &htmlURLString
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gitURL, err := url.Parse(fmt.Sprintf("%s/git/blobs/%s", repo.APIURL(), entry.ID.String()))
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if err != nil {
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return nil, err
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}
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gitURLString := gitURL.String()
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contentsResponse.GitURL = &gitURLString
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contentsResponse.Links.GitURL = &gitURLString
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}
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return contentsResponse, nil
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}
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