Fixes 4762 - Content API for Creating, Updating, Deleting Files (#6314)

modules/repofiles/content.go

@@ -0,0 +1,73 @@
+// Copyright 2019 The Gitea 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 repofiles
+
+import (
+	"net/url"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/git"
+	api "code.gitea.io/sdk/gitea"
+)
+
+// GetFileContents gets the meta data on a file's contents
+func GetFileContents(repo *models.Repository, treePath, ref string) (*api.FileContentResponse, error) {
+	if ref == "" {
+		ref = repo.DefaultBranch
+	}
+
+	// Check that the path given in opts.treePath is valid (not a git path)
+	treePath = CleanUploadFileName(treePath)
+	if treePath == "" {
+		return nil, models.ErrFilenameInvalid{
+			Path: treePath,
+		}
+	}
+
+	gitRepo, err := git.OpenRepository(repo.RepoPath())
+	if err != nil {
+		return nil, err
+	}
+
+	// Get the commit object for the ref
+	commit, err := gitRepo.GetCommit(ref)
+	if err != nil {
+		return nil, err
+	}
+
+	entry, err := commit.GetTreeEntryByPath(treePath)
+	if err != nil {
+		return nil, err
+	}
+
+	urlRef := ref
+	if _, err := gitRepo.GetBranchCommit(ref); err == nil {
+		urlRef = "branch/" + ref
+	}
+
+	selfURL, _ := url.Parse(repo.APIURL() + "/contents/" + treePath)
+	gitURL, _ := url.Parse(repo.APIURL() + "/git/blobs/" + entry.ID.String())
+	downloadURL, _ := url.Parse(repo.HTMLURL() + "/raw/" + urlRef + "/" + treePath)
+	htmlURL, _ := url.Parse(repo.HTMLURL() + "/blob/" + ref + "/" + treePath)
+
+	fileContent := &api.FileContentResponse{
+		Name:        entry.Name(),
+		Path:        treePath,
+		SHA:         entry.ID.String(),
+		Size:        entry.Size(),
+		URL:         selfURL.String(),
+		HTMLURL:     htmlURL.String(),
+		GitURL:      gitURL.String(),
+		DownloadURL: downloadURL.String(),
+		Type:        string(entry.Type),
+		Links: &api.FileLinksResponse{
+			Self:    selfURL.String(),
+			GitURL:  gitURL.String(),
+			HTMLURL: htmlURL.String(),
+		},
+	}
+
+	return fileContent, nil
+}