Additional tests for server side encryption, S3 SSE-C mode.

All tests belong to group 'encryption'.

Signed-off-by: Adam Kupczyk <akupczyk@mirantis.com>

diff --git a/s3tests/functional/test_s3.py b/s3tests/functional/test_s3.py
index 0bf900f80e798c320c38d126aa2aa17c4acefae6..5c0c272e44e624880914f5aba24cf9c4650dc888 100644 (file)
--- a/s3tests/functional/test_s3.py
+++ b/s3tests/functional/test_s3.py
@@ -5119,14 +5119,14 @@ def test_object_copy_versioning_multipart_upload():
     got = key6.get_contents_as_string()
     eq(got, data)
 
-def transfer_part(bucket, mp_id, mp_keyname, i, part):
+def transfer_part(bucket, mp_id, mp_keyname, i, part, headers=None):
     """Transfer a part of a multipart upload. Designed to be run in parallel.
     """
     mp = boto.s3.multipart.MultiPartUpload(bucket)
     mp.key_name = mp_keyname
     mp.id = mp_id
     part_out = StringIO(part)
-    mp.upload_part_from_file(part_out, i+1)
+    mp.upload_part_from_file(part_out, i+1, headers=headers)
 
 def copy_part(src_bucket, src_keyname, dst_bucket, dst_keyname, mp_id, i, start=None, end=None, src_version_id=None):
     """Copy a part of a multipart upload from other bucket.
@@ -5167,9 +5167,9 @@ def _multipart_upload(bucket, s3_key_name, size, part_size=5*1024*1024, do_list=
     s = ''
     for i, part in enumerate(generate_random(size, part_size)):
         s += part
-        transfer_part(bucket, upload.id, upload.key_name, i, part)
+        transfer_part(bucket, upload.id, upload.key_name, i, part, headers)
         if i in resend_parts:
-            transfer_part(bucket, upload.id, upload.key_name, i, part)
+            transfer_part(bucket, upload.id, upload.key_name, i, part, headers)
 
     if do_list is not None:
         l = bucket.list_multipart_uploads()
@@ -7533,3 +7533,337 @@ def test_lifecycle_rules_conflicted():
     eq(e.status, 400)
     eq(e.error_code, 'InvalidRequest')
 
+def _test_encryption_sse_customer_write(file_size):
+    """
+    Tests Create a file of A's, use it to set_contents_from_file.
+    Create a file of B's, use it to re-set_contents_from_file.
+    Re-read the contents, and confirm we get B's
+    """
+    bucket = get_new_bucket()
+    sse_client_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw=='
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*file_size
+    key.set_contents_from_string(data, headers=sse_client_headers)
+    rdata = key.get_contents_as_string(headers=sse_client_headers)
+    eq(data, rdata)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='Test SSE-C encrypted transfer 1 byte')
+@attr(assertion='success')
+@attr('encryption')
+def test_encrypted_transfer_1b():
+    _test_encryption_sse_customer_write(1)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='Test SSE-C encrypted transfer 1KB')
+@attr(assertion='success')
+@attr('encryption')
+def test_encrypted_transfer_1kb():
+    _test_encryption_sse_customer_write(1024)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='Test SSE-C encrypted transfer 1MB')
+@attr(assertion='success')
+@attr('encryption')
+def test_encrypted_transfer_1MB():
+    _test_encryption_sse_customer_write(1024*1024)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='Test SSE-C encrypted transfer 13 bytes')
+@attr(assertion='success')
+@attr('encryption')
+def test_encrypted_transfer_13b():
+    _test_encryption_sse_customer_write(13)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='write encrypted with SSE-C and read without SSE-C')
+@attr(assertion='operation fails')
+@attr('encryption')
+def test_encryption_sse_c_present():
+    bucket = get_new_bucket()
+    sse_client_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw=='
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*100
+    key.set_contents_from_string(data, headers=sse_client_headers)
+    e = assert_raises(boto.exception.S3ResponseError, key.get_contents_as_string)
+    eq(e.status, 400)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='write encrypted with SSE-C but read with other key')
+@attr(assertion='operation fails')
+@attr('encryption')
+def test_encryption_sse_c_other_key():
+    bucket = get_new_bucket()
+    sse_client_headers_A = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw=='
+    }
+    sse_client_headers_B = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': '6b+WOZ1T3cqZMxgThRcXAQBrS5mXKdDUphvpxptl9/4=',
+        'x-amz-server-side-encryption-customer-key-md5': 'arxBvwY2V4SiOne6yppVPQ=='
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*100
+    key.set_contents_from_string(data, headers=sse_client_headers_A)
+    e = assert_raises(boto.exception.S3ResponseError,
+                      key.get_contents_as_string, headers=sse_client_headers_B)
+    eq(e.status, 400)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='write encrypted with SSE-C, but md5 is bad')
+@attr(assertion='operation fails')
+@attr('encryption')
+def test_encryption_sse_c_invalid_md5():
+    bucket = get_new_bucket()
+    sse_client_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'AAAAAAAAAAAAAAAAAAAAAA=='
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*100
+    e = assert_raises(boto.exception.S3ResponseError,
+                      key.set_contents_from_string, data, headers=sse_client_headers)
+    eq(e.status, 400)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='write encrypted with SSE-C, but dont provide MD5')
+@attr(assertion='operation fails')
+@attr('encryption')
+def test_encryption_sse_c_no_md5():
+    bucket = get_new_bucket()
+    sse_client_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs='
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*100
+    e = assert_raises(boto.exception.S3ResponseError,
+                      key.set_contents_from_string, data, headers=sse_client_headers)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='declare SSE-C but do not provide key')
+@attr(assertion='operation fails')
+@attr('encryption')
+def test_encryption_sse_c_no_key():
+    bucket = get_new_bucket()
+    sse_client_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256'
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*100
+    e = assert_raises(boto.exception.S3ResponseError,
+                      key.set_contents_from_string, data, headers=sse_client_headers)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='Do not declare SSE-C but provide key and MD5')
+@attr(assertion='operation successfull, no encryption')
+@attr('encryption')
+def test_encryption_key_no_sse_c():
+    bucket = get_new_bucket()
+    sse_client_headers = {
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw=='
+    }
+    key = bucket.new_key('testobj')
+    data = 'A'*100
+    key.set_contents_from_string(data, headers=sse_client_headers)
+    rdata = key.get_contents_as_string()
+    eq(data, rdata)
+
+
+def _multipart_upload_enc(bucket, s3_key_name, size, part_size=5*1024*1024,
+                          do_list=None, init_headers=None, part_headers=None,
+                          metadata=None, resend_parts=[]):
+    """
+    generate a multi-part upload for a random file of specifed size,
+    if requested, generate a list of the parts
+    return the upload descriptor
+    """
+    upload = bucket.initiate_multipart_upload(s3_key_name, headers=init_headers, metadata=metadata)
+    s = ''
+    for i, part in enumerate(generate_random(size, part_size)):
+        s += part
+        transfer_part(bucket, upload.id, upload.key_name, i, part, part_headers)
+        if i in resend_parts:
+            transfer_part(bucket, upload.id, upload.key_name, i, part, part_headers)
+
+    if do_list is not None:
+        l = bucket.list_multipart_uploads()
+        l = list(l)
+
+    return (upload, s)
+
+
+def _check_content_using_range_enc(k, data, step, enc_headers=None):
+    objlen = k.size
+    for ofs in xrange(0, k.size, step):
+        toread = k.size - ofs
+        if toread > step:
+            toread = step
+        end = ofs + toread - 1
+        read_range = k.get_contents_as_string(
+            headers=dict({'Range': 'bytes={s}-{e}'.format(s=ofs, e=end)}, **enc_headers))
+        eq(len(read_range), toread)
+        eq(read_range, data[ofs:end+1])
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='complete multi-part upload')
+@attr(assertion='successful')
+@attr('encryption')
+def test_encryption_sse_c_multipart_upload():
+    bucket = get_new_bucket()
+    key = "multipart_enc"
+    content_type = 'text/plain'
+    objlen = 30 * 1024 * 1024
+    enc_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw==',
+        'Content-Type': content_type
+    }
+    (upload, data) = _multipart_upload_enc(bucket, key, objlen,
+                                           init_headers=enc_headers, part_headers=enc_headers,
+                                           metadata={'foo': 'bar'})
+    upload.complete_upload()
+    result = _head_bucket(bucket)
+
+    eq(result.get('x-rgw-object-count', 1), 1)
+    eq(result.get('x-rgw-bytes-used', 30 * 1024 * 1024), 30 * 1024 * 1024)
+
+    k = bucket.get_key(key)
+    eq(k.metadata['foo'], 'bar')
+    eq(k.content_type, content_type)
+    test_string = k.get_contents_as_string(headers=enc_headers)
+    eq(len(test_string), k.size)
+    eq(data, test_string)
+    eq(test_string, data)
+
+    _check_content_using_range_enc(k, data, 1000000, enc_headers=enc_headers)
+    _check_content_using_range_enc(k, data, 10000000, enc_headers=enc_headers)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='multipart upload with bad key for uploading chunks')
+@attr(assertion='successful')
+@attr('encryption')
+def test_encryption_sse_c_multipart_invalid_chunks_1():
+    bucket = get_new_bucket()
+    key = "multipart_enc"
+    content_type = 'text/bla'
+    objlen = 30 * 1024 * 1024
+    init_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw==',
+        'Content-Type': content_type
+    }
+    part_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': '6b+WOZ1T3cqZMxgThRcXAQBrS5mXKdDUphvpxptl9/4=',
+        'x-amz-server-side-encryption-customer-key-md5': 'arxBvwY2V4SiOne6yppVPQ=='
+    }
+    e = assert_raises(boto.exception.S3ResponseError,
+                      _multipart_upload_enc, bucket, key, objlen,
+                      init_headers=init_headers, part_headers=part_headers,
+                      metadata={'foo': 'bar'})
+    eq(e.status, 400)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='multipart upload with bad md5 for chunks')
+@attr(assertion='successful')
+@attr('encryption')
+def test_encryption_sse_c_multipart_invalid_chunks_2():
+    bucket = get_new_bucket()
+    key = "multipart_enc"
+    content_type = 'text/plain'
+    objlen = 30 * 1024 * 1024
+    init_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw==',
+        'Content-Type': content_type
+    }
+    part_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'AAAAAAAAAAAAAAAAAAAAAA=='
+    }
+    e = assert_raises(boto.exception.S3ResponseError,
+                      _multipart_upload_enc, bucket, key, objlen,
+                      init_headers=init_headers, part_headers=part_headers,
+                      metadata={'foo': 'bar'})
+    eq(e.status, 400)
+
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='complete multi-part upload and download with bad key')
+@attr(assertion='successful')
+@attr('encryption')
+def test_encryption_sse_c_multipart_bad_download():
+    bucket = get_new_bucket()
+    key = "multipart_enc"
+    content_type = 'text/plain'
+    objlen = 30 * 1024 * 1024
+    put_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': 'pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        'x-amz-server-side-encryption-customer-key-md5': 'DWygnHRtgiJ77HCm+1rvHw==',
+        'Content-Type': content_type
+    }
+    get_headers = {
+        'x-amz-server-side-encryption-customer-algorithm': 'AES256',
+        'x-amz-server-side-encryption-customer-key': '6b+WOZ1T3cqZMxgThRcXAQBrS5mXKdDUphvpxptl9/4=',
+        'x-amz-server-side-encryption-customer-key-md5': 'arxBvwY2V4SiOne6yppVPQ=='
+    }
+
+    (upload, data) = _multipart_upload_enc(bucket, key, objlen,
+                                           init_headers=put_headers, part_headers=put_headers,
+                                           metadata={'foo': 'bar'})
+    upload.complete_upload()
+    result = _head_bucket(bucket)
+
+    eq(result.get('x-rgw-object-count', 1), 1)
+    eq(result.get('x-rgw-bytes-used', 30 * 1024 * 1024), 30 * 1024 * 1024)
+
+    k = bucket.get_key(key)
+    eq(k.metadata['foo'], 'bar')
+    eq(k.content_type, content_type)
+    e = assert_raises(boto.exception.S3ResponseError,
+                      k.get_contents_as_string, headers=get_headers)