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How to use strip_chunk_signatures method in localstack

Best Python code snippet using localstack_python

s3_listener.py

Source:s3_listener.py

...139            for allowed in allowed_origins:140                if origin in allowed or re.match(allowed.replace('*', '.*'), origin):141                    response.headers['Access-Control-Allow-Origin'] = origin142                    break143def strip_chunk_signatures(data):144    # For clients that use streaming v4 authentication, the request contains chunk signatures145    # in the HTTP body (see example below) which we need to strip as moto cannot handle them146    #147    # 17;chunk-signature=6e162122ec4962bea0b18bc624025e6ae4e9322bdc632762d909e87793ac5921148    # <payload data ...>149    # 0;chunk-signature=927ab45acd82fc90a3c210ca7314d59fedc77ce0c914d79095f8cc9563cf2c70150    data_new = re.sub(r'^[0-9a-fA-F]+;chunk-signature=[0-9a-f]{64}', '', data, flags=re.MULTILINE)151    if data_new != data:152        # trim \r (13) or \n (10)153        for i in range(0, 2):154            if ord(data_new[0]) in (10, 13):155                data_new = data_new[1:]156        for i in range(0, 6):157            if ord(data_new[-1]) in (10, 13):158                data_new = data_new[:-1]159    return data_new160def update_s3(method, path, data, headers, response=None, return_forward_info=False):161    if return_forward_info:162        modified_data = None163        # If this request contains streaming v4 authentication signatures, strip them from the message164        # Related isse: https://github.com/atlassian/localstack/issues/98165        # TODO we should evaluate whether to replace moto s3 with scality/S3:166        # https://github.com/scality/S3/issues/237167        if headers.get('x-amz-content-sha256') == 'STREAMING-AWS4-HMAC-SHA256-PAYLOAD':168            modified_data = strip_chunk_signatures(data)169        # persist this API call to disk170        persistence.record('s3', method, path, data, headers)171        parsed = urlparse.urlparse(path)172        query = parsed.query173        path = parsed.path174        bucket = path.split('/')[1]175        query_map = urlparse.parse_qs(query)176        if method == 'PUT' and (query == 'notification' or 'notification' in query_map):177            tree = ET.fromstring(data)178            for dest in ['Queue', 'Topic', 'CloudFunction']:179                config = tree.find('{%s}%sConfiguration' % (XMLNS_S3, dest))180                if config is not None and len(config):181                    S3_NOTIFICATIONS[bucket] = {182                        'Id': get_xml_text(config, 'Id'),...

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