def validate()

in server/api/plugins/openapi.py [0:0]

• 28 lines of code
• 17 McCabe index (conditional complexity)

    def validate(self, method = "GET", path = "/foo", formdata = None):
        """ Validate the request method and input data against the OpenAPI specification """

        # Make sure we're not dealing with a dynamic URL.
        # If we find /foo/{key}, we fold that into the form data
        # and process as if it's a json input field for now.
        if not self.API['paths'].get(path):
            for xpath in self.API['paths']:
                pathRE = re.sub(r"\{(.+?)\}", r"(?P<\1>[^/]+)", xpath)
                m = re.match(pathRE, path)
                if m:
                    for k,v  in m.groupdict().items():
                        formdata[k] = v
                    path = xpath
                    break

        if self.API['paths'].get(path):
            defs = self.API['paths'].get(path)
            method = method.lower()
            if method in defs:
                mdefs = defs[method]
                if formdata and 'parameters' in mdefs:
                    self.validateParameters(mdefs['parameters'], formdata)
                elif formdata and 'requestBody' not in mdefs:
                    raise OpenAPIException("OpenAPI mismatch: JSON data is now allowed for this request type")
                elif formdata and 'requestBody' in mdefs and 'content' in mdefs['requestBody']:

                    # SHORTCUT: We only care about JSON input for Kibble! Disregard other types
                    if not 'application/json' in mdefs['requestBody']['content']:
                        raise OpenAPIException ("OpenAPI mismatch: API endpoint accepts input, but no application/json definitions found in api.yaml!")
                    jdefs = mdefs['requestBody']['content']['application/json']

                    # Check that required params are here
                    self.validateSchema(jdefs, formdata)

            else:
                raise OpenAPIException ("OpenAPI mismatch: Method %s is not registered for this API" % method)
        else:
            raise OpenAPIException("OpenAPI mismatch: Unknown API path '%s'!" % path)