mail

pw.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+
+import hmac
+import hashlib
+import base64
+import argparse
+
+SMTP_REGIONS = [
+    "us-east-2",  # US East (Ohio)
+    "us-east-1",  # US East (N. Virginia)
+    "us-west-2",  # US West (Oregon)
+    "ap-south-1",  # Asia Pacific (Mumbai)
+    "ap-northeast-2",  # Asia Pacific (Seoul)
+    "ap-southeast-1",  # Asia Pacific (Singapore)
+    "ap-southeast-2",  # Asia Pacific (Sydney)
+    "ap-northeast-1",  # Asia Pacific (Tokyo)
+    "ca-central-1",  # Canada (Central)
+    "eu-central-1",  # Europe (Frankfurt)
+    "eu-west-1",  # Europe (Ireland)
+    "eu-west-2",  # Europe (London)
+    "eu-south-1",  # Europe (Milan)
+    "eu-north-1",  # Europe (Stockholm)
+    "sa-east-1",  # South America (Sao Paulo)
+    "us-gov-west-1",  # AWS GovCloud (US)
+    "us-gov-east-1",  # AWS GovCloud (US)
+]
+
+# These values are required to calculate the signature. Do not change them.
+DATE = "11111111"
+SERVICE = "ses"
+MESSAGE = "SendRawEmail"
+TERMINAL = "aws4_request"
+VERSION = 0x04
+
+
+def sign(key, msg):
+    return hmac.new(key, msg.encode("utf-8"), hashlib.sha256).digest()
+
+
+def calculate_key(secret_access_key, region):
+    if region not in SMTP_REGIONS:
+        raise ValueError(f"The {region} Region doesn't have an SMTP endpoint.")
+
+    signature = sign(("AWS4" + secret_access_key).encode("utf-8"), DATE)
+    signature = sign(signature, region)
+    signature = sign(signature, SERVICE)
+    signature = sign(signature, TERMINAL)
+    signature = sign(signature, MESSAGE)
+    signature_and_version = bytes([VERSION]) + signature
+    smtp_password = base64.b64encode(signature_and_version)
+    return smtp_password.decode("utf-8")
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Convert a Secret Access Key to an SMTP password."
+    )
+    parser.add_argument("secret", help="The Secret Access Key to convert.")
+    parser.add_argument(
+        "region",
+        help="The AWS Region where the SMTP password will be used.",
+        choices=SMTP_REGIONS,
+    )
+    args = parser.parse_args()
+    print(calculate_key(args.secret, args.region))
+
+
+if __name__ == "__main__":
+    main()