Python utils.percent_encode_sequence方法代码示例

# 需要导入模块: from botocore import utils [as 别名]
# 或者: from botocore.utils import percent_encode_sequence [as 别名]
def _inject_signature(self, request, signature):
        query_dict = {}
        query_dict['AWSAccessKeyId'] = self.credentials.access_key
        query_dict['Signature'] = signature

        for header_key in request.headers:
            lk = header_key.lower()
            # For query string requests, Expires is used instead of the
            # Date header.
            if header_key == 'Date':
                query_dict['Expires'] = request.headers['Date']
            # We only want to include relevant headers in the query string.
            # These can be anything that starts with x-amz, is Content-MD5,
            # or is Content-Type.
            elif lk.startswith('x-amz-') or lk in ['content-md5',
                                                   'content-type']:
                query_dict[lk] = request.headers[lk]
        # Combine all of the identified headers into an encoded
        # query string
        new_query_string = percent_encode_sequence(query_dict)

        # Create a new url with the presigned url.
        p = urlsplit(request.url)
        if p[3]:
            # If there was a pre-existing query string, we should
            # add that back before injecting the new query string.
            new_query_string = '%s&%s' % (p[3], new_query_string)
        new_url_parts = (p[0], p[1], p[2], new_query_string, p[4])
        request.url = urlunsplit(new_url_parts) 

# 需要导入模块: from botocore import utils [as 别名]
# 或者: from botocore.utils import percent_encode_sequence [as 别名]
def prepare_request_dict(request_dict, endpoint_url, context=None,
                         user_agent=None):
    """
    This method prepares a request dict to be created into an
    AWSRequestObject. This prepares the request dict by adding the
    url and the user agent to the request dict.

    :type request_dict: dict
    :param request_dict:  The request dict (created from the
        ``serialize`` module).

    :type user_agent: string
    :param user_agent: The user agent to use for this request.

    :type endpoint_url: string
    :param endpoint_url: The full endpoint url, which contains at least
        the scheme, the hostname, and optionally any path components.
    """
    r = request_dict
    if user_agent is not None:
        headers = r['headers']
        headers['User-Agent'] = user_agent
    url = _urljoin(endpoint_url, r['url_path'])
    if r['query_string']:
        encoded_query_string = percent_encode_sequence(r['query_string'])
        if '?' not in url:
            url += '?%s' % encoded_query_string
        else:
            url += '&%s' % encoded_query_string
    r['url'] = url
    r['context'] = context
    if context is None:
        r['context'] = {} 

# 需要导入模块: from botocore import utils [as 别名]
# 或者: from botocore.utils import percent_encode_sequence [as 别名]
def _modify_request_before_signing(self, request):
        # Note that we're not including X-Amz-Signature.
        # From the docs: "The Canonical Query String must include all the query
        # parameters from the preceding table except for X-Amz-Signature.
        signed_headers = self.signed_headers(self.headers_to_sign(request))
        auth_params = {
            'X-Amz-Algorithm': 'AWS4-HMAC-SHA256',
            'X-Amz-Credential': self.scope(request),
            'X-Amz-Date': request.context['timestamp'],
            'X-Amz-Expires': self._expires,
            'X-Amz-SignedHeaders': signed_headers,
        }
        if self.credentials.token is not None:
            auth_params['X-Amz-Security-Token'] = self.credentials.token
        # Now parse the original query string to a dict, inject our new query
        # params, and serialize back to a query string.
        url_parts = urlsplit(request.url)
        # parse_qs makes each value a list, but in our case we know we won't
        # have repeated keys so we know we have single element lists which we
        # can convert back to scalar values.
        query_dict = dict(
            [(k, v[0]) for k, v in
             parse_qs(url_parts.query, keep_blank_values=True).items()])
        # The spec is particular about this.  It *has* to be:
        # https://<endpoint>?<operation params>&<auth params>
        # You can't mix the two types of params together, i.e just keep doing
        # new_query_params.update(op_params)
        # new_query_params.update(auth_params)
        # percent_encode_sequence(new_query_params)
        operation_params = ''
        if request.data:
            # We also need to move the body params into the query string. To
            # do this, we first have to convert it to a dict.
            query_dict.update(self._get_body_as_dict(request))
            request.data = ''
        if query_dict:
            operation_params = percent_encode_sequence(query_dict) + '&'
        new_query_string = (operation_params +
                            percent_encode_sequence(auth_params))
        # url_parts is a tuple (and therefore immutable) so we need to create
        # a new url_parts with the new query string.
        # <part>   - <index>
        # scheme   - 0
        # netloc   - 1
        # path     - 2
        # query    - 3  <-- we're replacing this.
        # fragment - 4
        p = url_parts
        new_url_parts = (p[0], p[1], p[2], new_query_string, p[4])
        request.url = urlunsplit(new_url_parts) 

# 需要导入模块: from botocore import utils [as 别名]
# 或者: from botocore.utils import percent_encode_sequence [as 别名]
def _modify_request_before_signing(self, request):
        # We automatically set this header, so if it's the auto-set value we
        # want to get rid of it since it doesn't make sense for presigned urls.
        content_type = request.headers.get('content-type')
        blacklisted_content_type = (
            'application/x-www-form-urlencoded; charset=utf-8'
        )
        if content_type == blacklisted_content_type:
            del request.headers['content-type']

        # Note that we're not including X-Amz-Signature.
        # From the docs: "The Canonical Query String must include all the query
        # parameters from the preceding table except for X-Amz-Signature.
        signed_headers = self.signed_headers(self.headers_to_sign(request))

        auth_params = {
            'X-Amz-Algorithm': 'AWS4-HMAC-SHA256',
            'X-Amz-Credential': self.scope(request),
            'X-Amz-Date': request.context['timestamp'],
            'X-Amz-Expires': self._expires,
            'X-Amz-SignedHeaders': signed_headers,
        }
        if self.credentials.token is not None:
            auth_params['X-Amz-Security-Token'] = self.credentials.token
        # Now parse the original query string to a dict, inject our new query
        # params, and serialize back to a query string.
        url_parts = urlsplit(request.url)
        # parse_qs makes each value a list, but in our case we know we won't
        # have repeated keys so we know we have single element lists which we
        # can convert back to scalar values.
        query_dict = dict(
            [(k, v[0]) for k, v in
             parse_qs(url_parts.query, keep_blank_values=True).items()])
        # The spec is particular about this.  It *has* to be:
        # https://<endpoint>?<operation params>&<auth params>
        # You can't mix the two types of params together, i.e just keep doing
        # new_query_params.update(op_params)
        # new_query_params.update(auth_params)
        # percent_encode_sequence(new_query_params)
        operation_params = ''
        if request.data:
            # We also need to move the body params into the query string. To
            # do this, we first have to convert it to a dict.
            query_dict.update(self._get_body_as_dict(request))
            request.data = ''
        if query_dict:
            operation_params = percent_encode_sequence(query_dict) + '&'
        new_query_string = (operation_params +
                            percent_encode_sequence(auth_params))
        # url_parts is a tuple (and therefore immutable) so we need to create
        # a new url_parts with the new query string.
        # <part>   - <index>
        # scheme   - 0
        # netloc   - 1
        # path     - 2
        # query    - 3  <-- we're replacing this.
        # fragment - 4
        p = url_parts
        new_url_parts = (p[0], p[1], p[2], new_query_string, p[4])
        request.url = urlunsplit(new_url_parts)