(Perl) Plaza API (bol.com) HMAC-SHA256 Authentication

Demonstrates how to compute the Authorization header for bol.com using HMAC-SHA256.

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$crypt = chilkat::CkCrypt2->new();

$crypt->put_EncodingMode("base64");
$crypt->put_HashAlgorithm("sha256");
$crypt->put_MacAlgorithm("hmac");

$publicKey = "oRNWbHFXtAECmhnZmEndcjLIaSKbRMVE";
$privateKey = "MaQHPOnmYkPZNgeRziPnQyyOJYytUbcFBVJBvbMKoDdpPqaZbaOiLUTWzPAkpPsZFZbJHrcoltdgpZolyNcgvvBaKcmkqFjucFzXhDONTsPAtHHyccQlLUZpkOuywMiOycDWcCySFsgpDiyGnCWCZJkNTtVdPxbSUTWVIFQiUxaPDYDXRQAVVTbSVZArAZkaLDLOoOvPzxSdhnkkJWzlQDkqsXNKfAIgAldrmyfROSyCGMCfvzdQdUQEaYZTPEoA";

# The string to sign is this:
# http_verb +'\n\n'+ content_type +'\n'+ x_bol_date +'\n'+ 'x-bol-date:'+ x_bol_date +'\n'+ uri

$http_verb = "GET";
$content_type = "application/xml";
$x_bol_date = "Wed, 17 Feb 2016 00:00:00 GMT";
$uri = "/services/rest/orders/v2";

# IMPORTANT: Notice the use of underscore and hyphen (dash) chars in x-bol-date vs. x_bol_date.
# In one place hypens are used.  In two places, underscore chars are used.
$sb = chilkat::CkStringBuilder->new();
$sb->Append($http_verb);
$sb->Append("\n\n");
$sb->Append($content_type);
$sb->Append("\n");
$sb->Append($x_bol_date);
$sb->Append("\nx-bol-date:");
$sb->Append($x_bol_date);
$sb->Append("\n");
$sb->Append($uri);
print "[" . $sb->getAsString() . "]" . "\r\n";

# Set the HMAC key:
$crypt->SetMacKeyEncoded($privateKey,"ascii");
$mac = $crypt->macStringENC($sb->getAsString());

# The answer should be: nqzLWvXI1eBhBXrRx5NF23V5hS8Q1xWCloJzPi/RAts=
print $mac . "\r\n";

# The last step is to append the public key with the signature
$sbHeader = chilkat::CkStringBuilder->new();
$sbHeader->Append($publicKey);
$sbHeader->Append(":");
$sbHeader->Append($mac);

$hdrValue = $sbHeader->getAsString();
print $hdrValue . "\r\n";