import sys, os, base64, datetime, hashlib, hmac
import requests # pip install requests
# ************* REQUEST VALUES *************
method = 'POST'
service = 'kinesis'
host = 'kinesis.us-east-1.amazonaws.com'
region = 'us-east-1'
endpoint = 'https://kinesis.us-east-1.amazonaws.com'
content_type = 'application/x-amz-json-1.1'
amz_target = 'Kinesis_20131202.PutRecord'
request_parameters = '{'
request_parameters += '"StreamName": "<StreamName>",'
request_parameters += '"Data": "' + base64.b64encode(<DATA>) + '",'
request_parameters += '"PartitionKey": "<PartitionKey>"'
request_parameters += '}'
# http://docs.aws.amazon.com/general/latest/gr/signature-v4-examples.html#signature-v4-examples-python
def sign(key, msg):
return hmac.new(key, msg.encode("utf-8"), hashlib.sha256).digest()
def getSignatureKey(key, date_stamp, regionName, serviceName):
kDate = sign(('AWS4' + key).encode('utf-8'), date_stamp)
kRegion = sign(kDate, regionName)
kService = sign(kRegion, serviceName)
kSigning = sign(kService, 'aws4_request')
return kSigning
access_key = '<ACCESS KEY>'
secret_key = '<SECRET KEY>'
if access_key is None or secret_key is None:
print 'No access key is available.'
sys.exit()
# Create a date for headers and the credential string
t = datetime.datetime.utcnow()
amz_date = t.strftime('%Y%m%dT%H%M%SZ')
date_stamp = t.strftime('%Y%m%d') # Date w/o time, used in credential scope
canonical_uri = '/'
canonical_querystring = ''
canonical_headers = 'content-type:' + content_type + '\n' + 'host:' + host + '\n' + 'x-amz-date:' + amz_date + '\n' + 'x-amz-target:' + amz_target + '\n'
signed_headers = 'content-type;host;x-amz-date;x-amz-target'
payload_hash = hashlib.sha256(request_parameters).hexdigest()
canonical_request = method + '\n' + canonical_uri + '\n' + canonical_querystring + '\n' + canonical_headers + '\n' + signed_headers + '\n' + payload_hash
algorithm = 'AWS4-HMAC-SHA256'
credential_scope = date_stamp + '/' + region + '/' + service + '/' + 'aws4_request'
string_to_sign = algorithm + '\n' + amz_date + '\n' + credential_scope + '\n' + hashlib.sha256(canonical_request).hexdigest()
signing_key = getSignatureKey(secret_key, date_stamp, region, service)
signature = hmac.new(signing_key, (string_to_sign).encode('utf-8'), hashlib.sha256).hexdigest()
authorization_header = algorithm + ' ' + 'Credential=' + access_key + '/' + credential_scope + ', ' + 'SignedHeaders=' + signed_headers + ', ' + 'Signature=' + signature
print authorization_header;
headers = {'Content-Type':content_type,
'X-Amz-Date':amz_date,
'X-Amz-Target':amz_target,
'Authorization':authorization_header}
# ************* SEND THE REQUEST *************
print '\nBEGIN REQUEST++++++++++++++++++++++++++++++++++++'
print 'Request URL = ' + endpoint
r = requests.post(endpoint, data=request_parameters, headers=headers)
print '\nRESPONSE++++++++++++++++++++++++++++++++++++'
print 'Response code: %d\n' % r.status_code
print r.text
<> でマークされているコードの必須パラメーターを変更するだけで、HTTP 経由でエンドポイントにアクセスできるようになります。これは、何らかの理由で aws-sdk または aws-cli を使用できない場合にのみ適用されます。
上記のコードは python です。
変換については、次のリンクを確認してください。
https://github.com/danharper/hmac-examples