# -*- coding: utf-8 -*-
# Copyright (c) 2015-2021 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest

import calendar
import email.parser
from email.utils import formatdate, parsedate
from time import mktime

import test.functional as tf
from swift.common import utils

from swift.common.middleware.s3api.etree import fromstring
from swift.common.middleware.s3api.utils import S3Timestamp
from swift.common.utils import md5, quote

from test.functional.s3api import S3ApiBase, SigV4Mixin, \
    skip_boto2_sort_header_bug, S3ApiBaseBoto3, get_boto3_conn
from test.functional.s3api.s3_test_client import Connection
from test.functional.s3api.utils import get_error_code, calculate_md5, \
    get_error_msg

DAY = 86400.0  # 60 * 60 * 24 (sec)


def setUpModule():
    tf.setup_package()


def tearDownModule():
    tf.teardown_package()


class TestS3ApiObjectBoto3(S3ApiBaseBoto3):
    def setUp(self):
        super().setUp()
        self.conn = get_boto3_conn(tf.config['s3_access_key'],
                                   tf.config['s3_secret_key'])
        self.bucket = 'test-bucket'
        resp = self.conn.create_bucket(Bucket=self.bucket)
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])

    def test_put(self):
        body = b'abcd' * 8192
        resp = self.conn.put_object(Bucket=self.bucket, Key='obj', Body=body)
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])
        resp = self.conn.get_object(Bucket=self.bucket, Key='obj')
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])
        self.assertEqual(body, resp['Body'].read())

    def test_put_chunked(self):
        body = b'abcd' * 8192
        resp = self.conn.put_object(Bucket=self.bucket, Key='obj', Body=body,
                                    ContentEncoding='aws-chunked')
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])
        resp = self.conn.get_object(Bucket=self.bucket, Key='obj')
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])
        self.assertEqual(body, resp['Body'].read())

    def test_put_chunked_sha256(self):
        body = b'abcd' * 8192
        resp = self.conn.put_object(Bucket=self.bucket, Key='obj', Body=body,
                                    ContentEncoding='aws-chunked',
                                    ChecksumAlgorithm='SHA256')
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])
        resp = self.conn.get_object(Bucket=self.bucket, Key='obj')
        self.assertEqual(200, resp['ResponseMetadata']['HTTPStatusCode'])
        self.assertEqual(body, resp['Body'].read())


class TestS3ApiObject(S3ApiBase):
    def setUp(self):
        super(TestS3ApiObject, self).setUp()
        self.bucket = 'bucket'
        self.conn.make_request('PUT', self.bucket)

    def _assertObjectEtag(self, bucket, obj, etag):
        status, headers, _ = self.conn.make_request('HEAD', bucket, obj)
        self.assertEqual(status, 200)  # sanity
        self.assertCommonResponseHeaders(headers, etag)

    def test_object(self):
        obj = u'object name with %-sign 🙂'
        content = b'abc123'
        etag = md5(content, usedforsecurity=False).hexdigest()

        # PUT Object
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, body=content)
        self.assertEqual(status, 200)

        self.assertCommonResponseHeaders(headers)
        self.assertTrue('content-length' in headers)  # sanity
        self.assertEqual(headers['content-length'], '0')
        self._assertObjectEtag(self.bucket, obj, etag)

        # PUT Object Copy
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_obj'
        self.conn.make_request('PUT', dst_bucket)
        headers = {'x-amz-copy-source': '/%s/%s' % (self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj,
                                   headers=headers)
        self.assertEqual(status, 200)

        # PUT Object Copy with URL-encoded Source
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_obj'
        self.conn.make_request('PUT', dst_bucket)
        headers = {'x-amz-copy-source': quote('/%s/%s' % (self.bucket, obj))}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj,
                                   headers=headers)
        self.assertEqual(status, 200)

        self.assertCommonResponseHeaders(headers)
        self.assertEqual(headers['content-length'], str(len(body)))

        elem = fromstring(body, 'CopyObjectResult')
        self.assertTrue(elem.find('LastModified').text is not None)
        copy_resp_last_modified_xml = elem.find('LastModified').text
        self.assertTrue(elem.find('ETag').text is not None)
        self.assertEqual(etag, elem.find('ETag').text.strip('"'))
        self._assertObjectEtag(dst_bucket, dst_obj, etag)

        # Check timestamp on Copy in listing:
        status, headers, body = \
            self.conn.make_request('GET', dst_bucket)
        self.assertEqual(status, 200)
        elem = fromstring(body, 'ListBucketResult')
        self.assertEqual(
            elem.find('Contents').find("LastModified").text,
            copy_resp_last_modified_xml)

        # GET Object copy
        status, headers, body = \
            self.conn.make_request('GET', dst_bucket, dst_obj)
        self.assertEqual(status, 200)

        self.assertCommonResponseHeaders(headers, etag)
        self.assertTrue(headers['last-modified'] is not None)
        self.assertEqual(
            float(S3Timestamp.from_s3xmlformat(copy_resp_last_modified_xml)),
            calendar.timegm(parsedate(headers['last-modified'])))
        self.assertTrue(headers['content-type'] is not None)
        self.assertEqual(headers['content-length'], str(len(content)))

        # GET Object
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj)
        self.assertEqual(status, 200)

        self.assertCommonResponseHeaders(headers, etag)
        self.assertTrue(headers['last-modified'] is not None)
        self.assertTrue(headers['content-type'] is not None)
        self.assertEqual(headers['content-length'], str(len(content)))
        self.assertEqual(headers['accept-ranges'], 'bytes')

        # HEAD Object
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)
        self.assertEqual(status, 200)

        self.assertCommonResponseHeaders(headers, etag)
        self.assertTrue(headers['last-modified'] is not None)
        self.assertTrue('content-type' in headers)
        self.assertEqual(headers['content-length'], str(len(content)))
        self.assertEqual(headers['accept-ranges'], 'bytes')

        # DELETE Object
        status, headers, body = \
            self.conn.make_request('DELETE', self.bucket, obj)
        self.assertEqual(status, 204)
        self.assertCommonResponseHeaders(headers)

        # DELETE Non-Existent Object
        status, headers, body = \
            self.conn.make_request('DELETE', self.bucket, 'does-not-exist')
        self.assertEqual(status, 204)
        self.assertCommonResponseHeaders(headers)

    def test_put_object_error(self):
        auth_error_conn = Connection(tf.config['s3_access_key'], 'invalid')
        status, headers, body = \
            auth_error_conn.make_request('PUT', self.bucket, 'object')
        self.assertEqual(get_error_code(body), 'SignatureDoesNotMatch')
        self.assertEqual(headers['content-type'], 'application/xml')

        status, headers, body = \
            self.conn.make_request('PUT', 'bucket2', 'object')
        self.assertEqual(get_error_code(body), 'NoSuchBucket')
        self.assertEqual(headers['content-type'], 'application/xml')

    def test_put_object_name_too_long(self):
        status, headers, body = self.conn.make_request(
            'PUT', self.bucket,
            'x' * (tf.cluster_info['swift']['max_object_name_length'] + 1))
        self.assertEqual(get_error_code(body), 'KeyTooLongError')
        self.assertEqual(headers['content-type'], 'application/xml')

    def test_put_object_copy_error(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)
        dst_bucket = 'dst-bucket'
        self.conn.make_request('PUT', dst_bucket)
        dst_obj = 'dst_object'

        headers = {'x-amz-copy-source': '/%s/%s' % (self.bucket, obj)}
        auth_error_conn = Connection(tf.config['s3_access_key'], 'invalid')
        status, headers, body = \
            auth_error_conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(get_error_code(body), 'SignatureDoesNotMatch')
        self.assertEqual(headers['content-type'], 'application/xml')

        # /src/nothing -> /dst/dst
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, 'nothing')}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(get_error_code(body), 'NoSuchKey')
        self.assertEqual(headers['content-type'], 'application/xml')

        # /nothing/src -> /dst/dst
        headers = {'X-Amz-Copy-Source': '/%s/%s' % ('nothing', obj)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        # TODO: source bucket is not check.
        # self.assertEqual(get_error_code(body), 'NoSuchBucket')

        # /src/src -> /nothing/dst
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', 'nothing', dst_obj, headers)
        self.assertEqual(get_error_code(body), 'NoSuchBucket')
        self.assertEqual(headers['content-type'], 'application/xml')

    def test_get_object_error(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        auth_error_conn = Connection(tf.config['s3_access_key'], 'invalid')
        status, headers, body = \
            auth_error_conn.make_request('GET', self.bucket, obj)
        self.assertEqual(get_error_code(body), 'SignatureDoesNotMatch')
        self.assertEqual(headers['content-type'], 'application/xml')

        status, headers, body = \
            self.conn.make_request('GET', self.bucket, 'invalid')
        self.assertEqual(get_error_code(body), 'NoSuchKey')
        self.assertEqual(headers['content-type'], 'application/xml')

        status, headers, body = self.conn.make_request('GET', 'invalid', obj)
        self.assertEqual(get_error_code(body), 'NoSuchBucket')
        self.assertEqual(headers['content-type'], 'application/xml')

    def test_head_object_error(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        auth_error_conn = Connection(tf.config['s3_access_key'], 'invalid')
        status, headers, body = \
            auth_error_conn.make_request('HEAD', self.bucket, obj)
        self.assertEqual(status, 403)
        self.assertEqual(body, b'')  # sanity
        self.assertEqual(headers['content-type'], 'application/xml')

        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, 'invalid')
        self.assertEqual(status, 404)
        self.assertEqual(body, b'')  # sanity
        self.assertEqual(headers['content-type'], 'application/xml')

        status, headers, body = \
            self.conn.make_request('HEAD', 'invalid', obj)
        self.assertEqual(status, 404)
        self.assertEqual(body, b'')  # sanity
        self.assertEqual(headers['content-type'], 'application/xml')

    def test_delete_object_error(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        auth_error_conn = Connection(tf.config['s3_access_key'], 'invalid')
        status, headers, body = \
            auth_error_conn.make_request('DELETE', self.bucket, obj)
        self.assertEqual(get_error_code(body), 'SignatureDoesNotMatch')
        self.assertEqual(headers['content-type'], 'application/xml')

        status, headers, body = \
            self.conn.make_request('DELETE', 'invalid', obj)
        self.assertEqual(get_error_code(body), 'NoSuchBucket')
        self.assertEqual(headers['content-type'], 'application/xml')

    def test_put_object_content_encoding(self):
        obj = 'object'
        etag = md5(usedforsecurity=False).hexdigest()
        headers = {'Content-Encoding': 'gzip'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers)
        self.assertEqual(status, 200)
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)
        self.assertTrue('content-encoding' in headers)  # sanity
        self.assertEqual(headers['content-encoding'], 'gzip')
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    def test_put_object_content_md5(self):
        obj = 'object'
        content = b'abcdefghij'
        etag = md5(content, usedforsecurity=False).hexdigest()
        headers = {'Content-MD5': calculate_md5(content)}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    def test_put_object_content_type(self):
        obj = 'object'
        content = b'abcdefghij'
        etag = md5(content, usedforsecurity=False).hexdigest()
        headers = {'Content-Type': 'text/plain'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 200)
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)
        self.assertEqual(headers['content-type'], 'text/plain')
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    def test_put_object_conditional_requests(self):
        obj = 'object'
        content = b'abcdefghij'
        headers = {'If-None-Match': 'asdf'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 501)

        headers = {'If-Match': '*'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 501)

        headers = {'If-Modified-Since': 'Sat, 27 Jun 2015 00:00:00 GMT'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 501)

        headers = {'If-Unmodified-Since': 'Sat, 27 Jun 2015 00:00:00 GMT'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 501)

        # None of the above should actually have created an object
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, {}, '')
        self.assertEqual(status, 404)

        # But this will
        headers = {'If-None-Match': '*'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 200)

        # And the if-none-match prevents overwrites
        headers = {'If-None-Match': '*'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 412)

    def test_put_object_expect(self):
        obj = 'object'
        content = b'abcdefghij'
        etag = md5(content, usedforsecurity=False).hexdigest()
        headers = {'Expect': '100-continue'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    def _test_put_object_headers(self, req_headers, expected_headers=None):
        if expected_headers is None:
            expected_headers = req_headers
        obj = 'object'
        content = b'abcdefghij'
        etag = md5(content, usedforsecurity=False).hexdigest()
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj,
                                   req_headers, content)
        self.assertEqual(status, 200)
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)
        for header, value in expected_headers.items():
            self.assertIn(header.lower(), headers)
            self.assertEqual(headers[header.lower()], value)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    @skip_boto2_sort_header_bug
    def test_put_object_metadata(self):
        self._test_put_object_headers({
            'X-Amz-Meta-Bar': 'foo',
            'X-Amz-Meta-Bar2': 'foo2'})

    def test_put_object_weird_metadata(self):
        req_headers = dict(
            ('x-amz-meta-' + c, c)
            for c in '!"#$%&\'()*+-./<=>?@[\\]^`{|}~')
        exp_headers = dict(
            ('x-amz-meta-' + c, c)
            for c in '!#$%&\'(*+-.^`|~')
        self._test_put_object_headers(req_headers, exp_headers)

    def test_put_object_underscore_in_metadata(self):
        # Break this out separately for ease of testing pre-0.19.0 eventlet
        self._test_put_object_headers({
            'X-Amz-Meta-Foo-Bar': 'baz',
            'X-Amz-Meta-Foo_Bar': 'also baz'})

    def test_put_object_content_headers(self):
        self._test_put_object_headers({
            'Content-Type': 'foo/bar',
            'Content-Encoding': 'baz',
            'Content-Disposition': 'attachment',
            'Content-Language': 'en'})

    def test_put_object_cache_control(self):
        self._test_put_object_headers({
            'Cache-Control': 'private, some-extension'})

    def test_put_object_expires(self):
        self._test_put_object_headers({
            # We don't validate that the Expires header is a valid date
            'Expires': 'a valid HTTP-date timestamp'})

    def test_put_object_robots_tag(self):
        self._test_put_object_headers({
            'X-Robots-Tag': 'googlebot: noarchive'})

    def test_put_object_storage_class(self):
        obj = 'object'
        content = b'abcdefghij'
        etag = md5(content, usedforsecurity=False).hexdigest()
        headers = {'X-Amz-Storage-Class': 'STANDARD'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    def test_put_object_valid_delete_headers(self):
        obj = 'object'
        content = b'abcdefghij'
        ts = utils.Timestamp.now()
        delete_at = {'X-Delete-At': str(int(ts) + 70)}
        delete_after = {'X-Delete-After': str(int(ts) + 130)}
        status, delete_at, body = \
            self.conn.make_request('PUT', self.bucket, obj, delete_at, content)
        self.assertEqual(status, 200)
        status, delete_after, body = \
            self.conn.make_request('PUT', self.bucket, obj, delete_after,
                                   content)
        self.assertEqual(status, 200)

    def test_put_object_invalid_x_delete_at(self):
        obj = 'object'
        content = b'abcdefghij'
        ts = utils.Timestamp.now()
        headers = {'X-Delete-At': str(int(ts) - 140)}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 400)
        self.assertEqual(get_error_code(body), 'InvalidArgument')
        self.assertEqual(get_error_msg(body), 'X-Delete-At in past')
        headers = {'X-Delete-At': 'test'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 400)
        self.assertEqual(get_error_code(body), 'InvalidArgument')
        self.assertEqual(get_error_msg(body), 'Non-integer X-Delete-At')

    def test_put_object_invalid_x_delete_after(self):
        obj = 'object'
        content = b'abcdefghij'
        headers = {'X-Delete-After': 'test'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 400)
        self.assertEqual(get_error_code(body), 'InvalidArgument')
        self.assertEqual(get_error_msg(body), 'Non-integer X-Delete-After')
        headers = {'X-Delete-After': '-140'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers, content)
        self.assertEqual(status, 400)
        self.assertEqual(get_error_code(body), 'InvalidArgument')
        self.assertEqual(get_error_msg(body), 'X-Delete-After in past')

    def test_put_object_copy_source_params(self):
        obj = 'object'
        src_headers = {'X-Amz-Meta-Test': 'src'}
        src_body = b'some content'
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        self.conn.make_request('PUT', self.bucket, obj, src_headers, src_body)
        self.conn.make_request('PUT', dst_bucket)

        headers = {'X-Amz-Copy-Source': '/%s/%s?nonsense' % (
            self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 400)
        self.assertEqual(get_error_code(body), 'InvalidArgument')

        headers = {'X-Amz-Copy-Source': '/%s/%s?versionId=null&nonsense' % (
            self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 400)
        self.assertEqual(get_error_code(body), 'InvalidArgument')

        headers = {'X-Amz-Copy-Source': '/%s/%s?versionId=null' % (
            self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        status, headers, body = \
            self.conn.make_request('GET', dst_bucket, dst_obj)
        self.assertEqual(status, 200)
        self.assertEqual(headers['x-amz-meta-test'], 'src')
        self.assertEqual(body, src_body)

    def test_put_object_copy_source(self):
        obj = 'object'
        content = b'abcdefghij'
        etag = md5(content, usedforsecurity=False).hexdigest()
        self.conn.make_request('PUT', self.bucket, obj, body=content)

        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        self.conn.make_request('PUT', dst_bucket)

        # /src/src -> /dst/dst
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(dst_bucket, dst_obj, etag)

        # /src/src -> /src/dst
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj)}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, dst_obj, headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, dst_obj, etag)

        # /src/src -> /src/src
        # need changes to copy itself (e.g. metadata)
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Meta-Foo': 'bar',
                   'X-Amz-Metadata-Directive': 'REPLACE'}
        status, headers, body = \
            self.conn.make_request('PUT', self.bucket, obj, headers)
        self.assertEqual(status, 200)
        self._assertObjectEtag(self.bucket, obj, etag)
        self.assertCommonResponseHeaders(headers)

    def test_put_object_copy_metadata_directive(self):
        obj = 'object'
        src_headers = {'X-Amz-Meta-Test': 'src'}
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        self.conn.make_request('PUT', self.bucket, obj, headers=src_headers)
        self.conn.make_request('PUT', dst_bucket)

        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Metadata-Directive': 'REPLACE',
                   'X-Amz-Meta-Test': 'dst'}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        status, headers, body = \
            self.conn.make_request('HEAD', dst_bucket, dst_obj)
        self.assertEqual(headers['x-amz-meta-test'], 'dst')

        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Metadata-Directive': 'COPY',
                   'X-Amz-Meta-Test': 'dst'}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        status, headers, body = \
            self.conn.make_request('HEAD', dst_bucket, dst_obj)
        self.assertEqual(headers['x-amz-meta-test'], 'src')

        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Meta-Test2': 'dst',
                   'X-Amz-Metadata-Directive': 'REPLACE'}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        status, headers, body = \
            self.conn.make_request('HEAD', dst_bucket, dst_obj)
        self.assertNotIn('x-amz-meta-test', headers)
        self.assertEqual(headers['x-amz-meta-test2'], 'dst')

        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Metadata-Directive': 'BAD'}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers)
        self.assertEqual(status, 400)

    @skip_boto2_sort_header_bug
    def test_put_object_copy_source_if_modified_since(self):
        obj = 'object'
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        etag = md5(usedforsecurity=False).hexdigest()
        self.conn.make_request('PUT', self.bucket, obj)
        self.conn.make_request('PUT', dst_bucket)

        _, headers, _ = self.conn.make_request('HEAD', self.bucket, obj)
        src_datetime = mktime(parsedate(headers['last-modified']))
        src_datetime = src_datetime - DAY
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Copy-Source-If-Modified-Since':
                   formatdate(src_datetime)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    @skip_boto2_sort_header_bug
    def test_put_object_copy_source_if_unmodified_since(self):
        obj = 'object'
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        etag = md5(usedforsecurity=False).hexdigest()
        self.conn.make_request('PUT', self.bucket, obj)
        self.conn.make_request('PUT', dst_bucket)

        _, headers, _ = self.conn.make_request('HEAD', self.bucket, obj)
        src_datetime = mktime(parsedate(headers['last-modified']))
        src_datetime = src_datetime + DAY
        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Copy-Source-If-Unmodified-Since':
                   formatdate(src_datetime)}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    @skip_boto2_sort_header_bug
    def test_put_object_copy_source_if_match(self):
        obj = 'object'
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        etag = md5(usedforsecurity=False).hexdigest()
        self.conn.make_request('PUT', self.bucket, obj)
        self.conn.make_request('PUT', dst_bucket)

        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)

        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Copy-Source-If-Match': etag}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    @skip_boto2_sort_header_bug
    def test_put_object_copy_source_if_none_match(self):
        obj = 'object'
        dst_bucket = 'dst-bucket'
        dst_obj = 'dst_object'
        etag = md5(usedforsecurity=False).hexdigest()
        self.conn.make_request('PUT', self.bucket, obj)
        self.conn.make_request('PUT', dst_bucket)

        headers = {'X-Amz-Copy-Source': '/%s/%s' % (self.bucket, obj),
                   'X-Amz-Copy-Source-If-None-Match': 'none-match'}
        status, headers, body = \
            self.conn.make_request('PUT', dst_bucket, dst_obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self._assertObjectEtag(self.bucket, obj, etag)

    def test_get_object_response_content_type(self):
        obj = 'obj'
        self.conn.make_request('PUT', self.bucket, obj)

        query = 'response-content-type=text/plain'
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, query=query)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertEqual(headers['content-type'], 'text/plain')
        self.assertTrue('accept-ranges' in headers)

    def test_get_object_response_content_language(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        query = 'response-content-language=en'
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, query=query)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertEqual(headers['content-language'], 'en')
        self.assertTrue('accept-ranges' in headers)

    def test_get_object_response_cache_control(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        query = 'response-cache-control=private'
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, query=query)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)
        self.assertEqual(headers['cache-control'], 'private')

    def test_get_object_response_content_disposition(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        query = 'response-content-disposition=inline'
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, query=query)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertEqual(headers['content-disposition'], 'inline')
        self.assertTrue('accept-ranges' in headers)

    def test_get_object_response_content_encoding(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        query = 'response-content-encoding=gzip'
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, query=query)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertEqual(headers['content-encoding'], 'gzip')
        self.assertTrue('accept-ranges' in headers)

    def test_get_object_range(self):
        obj = 'object'
        content = b'abcdefghij'
        headers = {'x-amz-meta-test': 'swift',
                   'content-type': 'application/octet-stream'}
        self.conn.make_request(
            'PUT', self.bucket, obj, headers=headers, body=content)

        headers = {'Range': 'bytes=1-5'}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 206)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('content-length' in headers)
        self.assertTrue('accept-ranges' in headers)
        self.assertEqual(headers['content-length'], '5')
        self.assertTrue('x-amz-meta-test' in headers)
        self.assertEqual('swift', headers['x-amz-meta-test'])
        self.assertEqual(body, b'bcdef')
        self.assertEqual('application/octet-stream', headers['content-type'])

        headers = {'Range': 'bytes=5-'}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 206)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('content-length' in headers)
        self.assertTrue('accept-ranges' in headers)
        self.assertEqual(headers['content-length'], '5')
        self.assertTrue('x-amz-meta-test' in headers)
        self.assertEqual('swift', headers['x-amz-meta-test'])
        self.assertEqual(body, b'fghij')

        headers = {'Range': 'bytes=-5'}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 206)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)
        self.assertTrue('content-length' in headers)
        self.assertEqual(headers['content-length'], '5')
        self.assertTrue('x-amz-meta-test' in headers)
        self.assertEqual('swift', headers['x-amz-meta-test'])
        self.assertEqual(body, b'fghij')

        ranges = ['1-2', '4-5']

        headers = {'Range': 'bytes=%s' % ','.join(ranges)}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 206)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)
        self.assertIn('content-length', headers)

        self.assertIn('content-type', headers)  # sanity
        content_type, boundary = headers['content-type'].split(';')

        self.assertEqual('multipart/byteranges', content_type)
        self.assertTrue(boundary.startswith('boundary='))  # sanity
        boundary_str = boundary[len('boundary='):]

        # TODO: Using swift.common.utils.multipart_byteranges_to_document_iters
        #       could be easy enough.
        parser = email.parser.BytesFeedParser()
        parser.feed(
            b"Content-Type: multipart/byterange; boundary=%s\r\n\r\n" %
            boundary_str.encode('ascii'))
        parser.feed(body)
        message = parser.close()

        self.assertTrue(message.is_multipart())  # sanity check
        mime_parts = message.get_payload()
        self.assertEqual(len(mime_parts), len(ranges))  # sanity

        for index, range_value in enumerate(ranges):
            start, end = map(int, range_value.split('-'))
            # go to next section and check sanity
            self.assertTrue(mime_parts[index])

            part = mime_parts[index]
            self.assertEqual(
                'application/octet-stream', part.get_content_type())
            expected_range = 'bytes %s/%s' % (range_value, len(content))
            self.assertEqual(
                expected_range, part.get('Content-Range'))
            # rest
            payload = part.get_payload(decode=True).strip()
            self.assertEqual(content[start:end + 1], payload)

    def test_get_object_if_modified_since(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        _, headers, _ = self.conn.make_request('HEAD', self.bucket, obj)
        src_datetime = mktime(parsedate(headers['last-modified']))
        src_datetime = src_datetime - DAY
        headers = {'If-Modified-Since': formatdate(src_datetime)}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertTrue('accept-ranges' in headers)
        self.assertCommonResponseHeaders(headers)

    def test_get_object_if_unmodified_since(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        _, headers, _ = self.conn.make_request('HEAD', self.bucket, obj)
        src_datetime = mktime(parsedate(headers['last-modified']))
        src_datetime = src_datetime + DAY
        headers = \
            {'If-Unmodified-Since': formatdate(src_datetime)}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)
        # check we can use the last modified time from the listing...
        status, headers, body = \
            self.conn.make_request('GET', self.bucket)
        elem = fromstring(body, 'ListBucketResult')
        last_modified = elem.find('./Contents/LastModified').text
        listing_datetime = S3Timestamp.from_s3xmlformat(last_modified)
        # Make sure there's no fractions of a second
        self.assertEqual(int(listing_datetime), float(listing_datetime))
        header_datetime = formatdate(int(listing_datetime))

        headers = {'If-Unmodified-Since': header_datetime}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

        headers = {'If-Modified-Since': header_datetime}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 304)
        self.assertTrue('accept-ranges' in headers)
        self.assertCommonResponseHeaders(headers)

    def test_get_object_if_match(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)
        etag = headers['etag']

        headers = {'If-Match': etag}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

    def test_get_object_if_none_match(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        headers = {'If-None-Match': 'none-match'}
        status, headers, body = \
            self.conn.make_request('GET', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertTrue('accept-ranges' in headers)
        self.assertCommonResponseHeaders(headers)

    def test_head_object_range(self):
        obj = 'object'
        content = b'abcdefghij'
        self.conn.make_request('PUT', self.bucket, obj, body=content)

        headers = {'Range': 'bytes=1-5'}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(headers['content-length'], '5')
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

        headers = {'Range': 'bytes=5-'}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(headers['content-length'], '5')
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

        headers = {'Range': 'bytes=-5'}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(headers['content-length'], '5')
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

    def test_head_object_if_modified_since(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        _, headers, _ = self.conn.make_request('HEAD', self.bucket, obj)
        dt = mktime(parsedate(headers['last-modified']))
        dt = dt - DAY

        headers = {'If-Modified-Since': formatdate(dt)}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

    def test_head_object_if_unmodified_since(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        _, headers, _ = self.conn.make_request('HEAD', self.bucket, obj)
        dt = mktime(parsedate(headers['last-modified']))
        dt = dt + DAY

        headers = {'If-Unmodified-Since': formatdate(dt)}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

    def test_head_object_if_match(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj)
        etag = headers['etag']

        headers = {'If-Match': etag}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)

    def test_head_object_if_none_match(self):
        obj = 'object'
        self.conn.make_request('PUT', self.bucket, obj)

        headers = {'If-None-Match': 'none-match'}
        status, headers, body = \
            self.conn.make_request('HEAD', self.bucket, obj, headers=headers)
        self.assertEqual(status, 200)
        self.assertCommonResponseHeaders(headers)
        self.assertTrue('accept-ranges' in headers)


class TestS3ApiObjectSigV4(TestS3ApiObject, SigV4Mixin):
    pass


if __name__ == '__main__':
    unittest.main()
