Add shell command to clear blobs data.

+ Add arguments to allow blobstore dump data to be
  filtered.

Test: manual
Change-Id: Ida26ce1d3a09aa457885a869efc13f8d06781bd5

1 files changed, 30 insertions, 6 deletions

diff --git a/apex/blobstore/framework/java/android/app/blob/BlobHandle.java b/apex/blobstore/framework/java/android/app/blob/BlobHandle.java
index ee0ee9894d4b..f110b36c7e90 100644
--- a/apex/blobstore/framework/java/android/app/blob/BlobHandle.java
+++ b/apex/blobstore/framework/java/android/app/blob/BlobHandle.java
@@ -214,12 +214,16 @@ public final class BlobHandle implements Parcelable {
     }
 
     /** @hide */
-    public void dump(IndentingPrintWriter fout) {
-        fout.println("algo: " + algorithm);
-        fout.println("digest: " + Base64.encodeToString(digest, Base64.NO_WRAP));
-        fout.println("label: " + label);
-        fout.println("expiryMs: " + expiryTimeMillis);
-        fout.println("tag: " + tag);
+    public void dump(IndentingPrintWriter fout, boolean dumpFull) {
+        if (dumpFull) {
+            fout.println("algo: " + algorithm);
+            fout.println("digest: " + (dumpFull ? encodeDigest() : safeDigest()));
+            fout.println("label: " + label);
+            fout.println("expiryMs: " + expiryTimeMillis);
+            fout.println("tag: " + tag);
+        } else {
+            fout.println(toString());
+        }
     }
 
     /** @hide */
@@ -233,6 +237,26 @@ public final class BlobHandle implements Parcelable {
         Preconditions.checkArgument(tag.length() <= LIMIT_BLOB_TAG_LENGTH, "tag too long");
     }
 
+    @Override
+    public String toString() {
+        return "BlobHandle {"
+                + "algo:" + algorithm + ","
+                + "digest:" + safeDigest() + ","
+                + "label:" + label + ","
+                + "expiryMs:" + expiryTimeMillis + ","
+                + "tag:" + tag
+                + "}";
+    }
+
+    private String safeDigest() {
+        final String digestStr = encodeDigest();
+        return digestStr.substring(0, 2) + ".." + digestStr.substring(digestStr.length() - 2);
+    }
+
+    private String encodeDigest() {
+        return Base64.encodeToString(digest, Base64.NO_WRAP);
+    }
+
     public static final @NonNull Creator<BlobHandle> CREATOR = new Creator<BlobHandle>() {
         @Override
         public @NonNull BlobHandle createFromParcel(@NonNull Parcel source) {