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Avoid encoding of slashes when signing an url #1347

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Avoid encoding of slashes when signing an url #1347

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a4d75e9
Fix generation of signed urls for blobs containing spaces and other s…
ostronom Sep 22, 2016
cd7e858
Added test for special characters in url signing
ostronom Sep 22, 2016
35daa5c
Formatting rules applied
ostronom Sep 22, 2016
66b83a0
Remove extra spaces
ostronom Sep 22, 2016
0c65bcf
Regression in storage url signing of objects with slashes in names fi…
ostronom Oct 28, 2016
97f7ec6
Merge remote-tracking branch 'upstream/master'
ostronom Oct 28, 2016
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2 changes: 1 addition & 1 deletion google-cloud-storage/src/main/java/com/google/cloud/storage/StorageImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -528,7 +528,7 @@ public URL signUrl(BlobInfo blobInfo, long duration, TimeUnit unit, SignUrlOptio
if (blobInfo.getName().startsWith("/")) {
path.setLength(path.length() - 1);
}
path.append(UrlEscapers.urlPathSegmentEscaper().escape(blobInfo.getName()));
path.append(UrlEscapers.urlFragmentEscaper().escape(blobInfo.name()));
stBuilder.append(path);
try {
byte[] signatureBytes = authCredentials.sign(stBuilder.toString().getBytes(UTF_8));
Expand Down
35 changes: 33 additions & 2 deletions google-cloud-storage/src/test/java/com/google/cloud/storage/StorageImplTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1259,7 +1259,7 @@ public void testSignUrlLeadingSlash() throws NoSuchAlgorithmException, InvalidKe
storage = options.toBuilder().authCredentials(authCredentials).build().service();
URL url =
storage.signUrl(BlobInfo.newBuilder(BUCKET_NAME1, blobName).build(), 14, TimeUnit.DAYS);
String escapedBlobName = UrlEscapers.urlPathSegmentEscaper().escape(blobName);
String escapedBlobName = UrlEscapers.urlFragmentEscaper().escape(blobName);
String stringUrl = url.toString();
String expectedUrl = new StringBuilder("https://storage.googleapis.com/").append(BUCKET_NAME1)
.append(escapedBlobName).append("?GoogleAccessId=").append(ACCOUNT).append("&Expires=")
Expand Down Expand Up @@ -1323,7 +1323,7 @@ public void testSignUrlForBlobWithSpecialChars() throws NoSuchAlgorithmException
String blobName = "/a" + specialChar + "b";
URL url =
storage.signUrl(BlobInfo.newBuilder(BUCKET_NAME1, blobName).build(), 14, TimeUnit.DAYS);
String escapedBlobName = UrlEscapers.urlPathSegmentEscaper().escape(blobName);
String escapedBlobName = UrlEscapers.urlFragmentEscaper().escape(blobName);
String stringUrl = url.toString();
String expectedUrl = new StringBuilder("https://storage.googleapis.com/").append(BUCKET_NAME1)
.append(escapedBlobName).append("?GoogleAccessId=").append(ACCOUNT).append("&Expires=")
Expand All @@ -1343,6 +1343,37 @@ public void testSignUrlForBlobWithSpecialChars() throws NoSuchAlgorithmException
}
}

@Test
public void testSignUrlForBlobWithSlashes() throws NoSuchAlgorithmException,
InvalidKeyException, SignatureException, UnsupportedEncodingException {
EasyMock.replay(storageRpcMock);
ServiceAccountAuthCredentials authCredentials =
ServiceAccountAuthCredentials.createFor(ACCOUNT, privateKey);
storage = options.toBuilder().authCredentials(authCredentials).build().service();

String blobName = "/foo/bar/baz #%20other cool stuff.txt";
URL url =
storage.signUrl(BlobInfo.newBuilder(BUCKET_NAME1, blobName).build(), 14, TimeUnit.DAYS);

String escapedBlobName = UrlEscapers.urlFragmentEscaper().escape(blobName);
String stringUrl = url.toString();
String expectedUrl = new StringBuilder("https://storage.googleapis.com/").append(BUCKET_NAME1)
.append(escapedBlobName).append("?GoogleAccessId=").append(ACCOUNT).append("&Expires=")
.append(42L + 1209600).append("&Signature=").toString();
assertTrue(stringUrl.startsWith(expectedUrl));
String signature = stringUrl.substring(expectedUrl.length());

StringBuilder signedMessageBuilder = new StringBuilder();
signedMessageBuilder.append(HttpMethod.GET).append("\n\n\n").append(42L + 1209600)
.append("\n/").append(BUCKET_NAME1).append(escapedBlobName);

Signature signer = Signature.getInstance("SHA256withRSA");
signer.initVerify(publicKey);
signer.update(signedMessageBuilder.toString().getBytes(UTF_8));
assertTrue(signer.verify(BaseEncoding.base64().decode(
URLDecoder.decode(signature, UTF_8.name()))));
}

@Test
public void testGetAllArray() {
BlobId blobId1 = BlobId.of(BUCKET_NAME1, BLOB_NAME1);
Expand Down