"crypto/hmac"
"crypto/sha256"
"encoding/base64"
+ "encoding/json"
"encoding/xml"
"errors"
"fmt"
"hash"
"io"
"net/http"
+ "net/textproto"
"net/url"
"os"
"path/filepath"
if r.Method == "HEAD" && !objectNameGiven {
// HeadBucket
if err == nil && fi.IsDir() {
+ setFileInfoHeaders(w.Header(), fs, fspath)
w.WriteHeader(http.StatusOK)
} else if os.IsNotExist(err) {
s3ErrorResponse(w, NoSuchBucket, "The specified bucket does not exist.", r.URL.Path, http.StatusNotFound)
return true
}
if err == nil && fi.IsDir() && objectNameGiven && strings.HasSuffix(fspath, "/") && h.Cluster.Collections.S3FolderObjects {
+ setFileInfoHeaders(w.Header(), fs, fspath)
w.Header().Set("Content-Type", "application/x-directory")
w.WriteHeader(http.StatusOK)
return true
// shallow copy r, and change URL path
r := *r
r.URL.Path = fspath
+ setFileInfoHeaders(w.Header(), fs, fspath)
http.FileServer(fs).ServeHTTP(w, &r)
return true
case r.Method == http.MethodPut:
}
}
+func setFileInfoHeaders(header http.Header, fs arvados.CustomFileSystem, path string) {
+ path = strings.TrimSuffix(path, "/")
+ var props map[string]interface{}
+ for {
+ fi, err := fs.Stat(path)
+ if err != nil {
+ return
+ }
+ switch src := fi.Sys().(type) {
+ case *arvados.Collection:
+ props = src.Properties
+ case *arvados.Group:
+ props = src.Properties
+ default:
+ // Try parent
+ cut := strings.LastIndexByte(path, '/')
+ if cut < 0 {
+ return
+ }
+ path = path[:cut]
+ continue
+ }
+ break
+ }
+ for k, v := range props {
+ if !validMIMEHeaderKey(k) {
+ continue
+ }
+ k = "x-amz-meta-" + k
+ if s, ok := v.(string); ok {
+ header.Set(k, s)
+ } else if j, err := json.Marshal(v); err == nil {
+ header.Set(k, string(j))
+ }
+ }
+}
+
+func validMIMEHeaderKey(k string) bool {
+ check := "z-" + k
+ return check != textproto.CanonicalMIMEHeaderKey(check)
+}
+
// Call fn on the given path (directory) and its contents, in
// lexicographic order.
//