KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use canonicalize_headers method in localstack

Best Python code snippet using localstack_python

canonicalization.py

Source:canonicalization.py

...37class Simple:38    """Class that represents the "simple" canonicalization algorithm."""39    name = b"simple"40    @staticmethod41    def canonicalize_headers(headers):42        # No changes to headers.43        return headers44    @staticmethod45    def canonicalize_body(body):46        # Ignore all empty lines at the end of the message body.47        return strip_trailing_lines(body)48class Relaxed:49    """Class that represents the "relaxed" canonicalization algorithm."""50    name = b"relaxed"51    @staticmethod52    def canonicalize_headers(headers):53        # Convert all header field names to lowercase.54        # Unfold all header lines.55        # Compress WSP to single space.56        # Remove all WSP at the start or end of the field value (strip).57        return [58            (x[0].lower().rstrip(),59             compress_whitespace(unfold_header_value(x[1])).strip() + b"\r\n")60            for x in headers]61    @staticmethod62    def canonicalize_body(body):63        # Remove all trailing WSP at end of lines.64        # Compress non-line-ending WSP to single space.65        # Ignore all empty lines at the end of the message body.66        return strip_trailing_lines(67            compress_whitespace(strip_trailing_whitespace(body)))68class CanonicalizationPolicy:69    def __init__(self, header_algorithm, body_algorithm):70        self.header_algorithm = header_algorithm71        self.body_algorithm = body_algorithm72    @classmethod73    def from_c_value(cls, c):74        """Construct the canonicalization policy described by a c= value.75        May raise an C{InvalidCanonicalizationPolicyError} if the given76        value is invalid77        @param c: c= value from a DKIM-Signature header field78        @return: a C{CanonicalizationPolicy}79        """80        if c is None:81            c = b'simple/simple'82        m = c.split(b'/')83        if len(m) not in (1, 2):84            raise InvalidCanonicalizationPolicyError(c)85        if len(m) == 1:86            m.append(b'simple')87        can_headers, can_body = m88        try:89            header_algorithm = ALGORITHMS[can_headers]90            body_algorithm = ALGORITHMS[can_body]91        except KeyError as e:92            raise InvalidCanonicalizationPolicyError(e.args[0])93        return cls(header_algorithm, body_algorithm)94    def to_c_value(self):95        return b'/'.join(96            (self.header_algorithm.name, self.body_algorithm.name))97    def canonicalize_headers(self, headers):98        return self.header_algorithm.canonicalize_headers(headers)99    def canonicalize_body(self, body):100        return self.body_algorithm.canonicalize_body(body)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.