def signed_request_basic(method, service_endpoint, params, creds, timestamp_val):
from urllib.parse import urlparse
sig_params = dict(params)
sig_params.update({
'Timestamp' : timestamp_val,
'SignatureMethod' : 'HmacSHA256',
'SignatureVersion' : '2',
'AWSAccessKeyId' : creds.access_key,
})
parsed_url = urlparse(service_endpoint)
netloc = parsed_url.hostname.lower()
if parsed_url.port not in {80, 443, None}:
netloc += ':' + str(parsed_url.port)
string_to_sign_value = string_to_sign(method, netloc, parsed_url.path, sig_params)
sig_params['Signature'] = signature(string_to_sign_value, creds.secret_key)
url = build_url(service_endpoint, sig_params)
aux = {
'string_to_sign_value' : string_to_sign_value,
'sig_params' : sig_params,
'signature' : sig_params['Signature'],
}
return SignedRequestInfo(
headers = {},
url = url,
payload = None,
aux = aux,
)
def signed_request(service, params, creds, when=None):
from urllib.parse import urlparse
service_name = service.name
method = service.method
if 'GET' == method:
url = build_url(service.endpoint(), params)
data = None
else:
url = service.endpoint()
data = params
headers = {
'Date' : when.strftime(DATETIME_HTTP_F),
'Host' : urlparse(url).hostname,
'Content-Type': 'application/json',
}
return signed_request_basic(
method,
service_name,
url,
headers,
datadict2payload(data),
creds,
when,
)