Initial commit

internal/storage/webdav.go

@@ -0,0 +1,69 @@
+package storage
+
+import (
+	"context"
+	"io"
+	"path/filepath"
+	"strings"
+
+	"github.com/studio-b12/gowebdav"
+)
+
+type WebDAVStorage struct {
+	client *gowebdav.Client
+	root   string
+}
+
+func NewWebDAVStorage(url, username, password, root string) *WebDAVStorage {
+	client := gowebdav.NewClient(url, username, password)
+	return &WebDAVStorage{
+		client: client,
+		root:   root,
+	}
+}
+
+func (s *WebDAVStorage) getFullPath(path string) string {
+	return filepath.ToSlash(filepath.Join(s.root, path))
+}
+
+func (s *WebDAVStorage) Save(ctx context.Context, path string, reader io.Reader) error {
+	fullPath := s.getFullPath(path)
+
+	// Ensure directory exists
+	dir := filepath.Dir(fullPath)
+	if dir != "." && dir != "/" {
+		parts := strings.Split(strings.Trim(dir, "/"), "/")
+		current := ""
+		for _, part := range parts {
+			current += "/" + part
+			_ = s.client.Mkdir(current, 0755)
+		}
+	}
+
+	return s.client.WriteStream(fullPath, reader, 0644)
+}
+
+func (s *WebDAVStorage) Open(ctx context.Context, path string) (io.ReadCloser, error) {
+	fullPath := s.getFullPath(path)
+	return s.client.ReadStream(fullPath)
+}
+
+func (s *WebDAVStorage) Delete(ctx context.Context, path string) error {
+	fullPath := s.getFullPath(path)
+	return s.client.Remove(fullPath)
+}
+
+func (s *WebDAVStorage) Exists(ctx context.Context, path string) (bool, error) {
+	fullPath := s.getFullPath(path)
+	_, err := s.client.Stat(fullPath)
+	if err != nil {
+		// gowebdav's Stat returns error if not found
+		// We could check for 404 but gowebdav doesn't export error types easily
+		// Usually we check if it's a 404
+		if strings.Contains(err.Error(), "404") || strings.Contains(err.Error(), "not found") {
+			return false, nil
+		}
+		return false, err
+	}
+	return true, nil
+}