(PHP Extension) Everyware API RSA Encrypt JSON

See more RSA Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://docs.everyware.com/docs/access-iframe#sample-json--encrypted-payload

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<?php

include("chilkat.php");

$success = false;

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

// First build the JSON to be encrypted.
$json = new CkJsonObject();
$json->UpdateString('provider_key','USER GUID HERE');
$json->UpdateString('menu_item','payment');
$dt = new CkDateTime();
$dt->SetFromCurrentSystemTime();
$json->UpdateString('date_time',$dt->getAsUnixTimeStr(false));

// This build JSON like the following:

// {
//     "provider_key": "USER GUID HERE",
//     "menu_item": "payment",
//     "date_time": "1588163411"
// }

// When we sign, we'll want to sign the most compact JSON possible
$json->put_EmitCompact(true);

// Everyware's RSA public key is at:  https://docs.everyware.com/docs/everyware-public-rsa-key
$sb = new CkStringBuilder();
$bCrlf = true;
$sb->AppendLine('-----BEGIN PUBLIC KEY-----',$bCrlf);
$sb->AppendLine('MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxNbflxUSWQ3XJ1N9dAoh',$bCrlf);
$sb->AppendLine('k+uaiFsg3wkPi9LGS/mH8DtHBgZxKyz+oQBDtnDd9FDEo0ql7MMgCMsTAv27W5vk',$bCrlf);
$sb->AppendLine('Pu0rm6zhcTeYquWEuVCS7VtVsyTATr0Z9WhqNeZlIRurovJAXl2jRDX6QeY5dayC',$bCrlf);
$sb->AppendLine('ubwyG4lBWE4fCakGY6zlh+oaElK0rvblqjYoEg3dn4KPRCYGof8OFxLptHThD4cE',$bCrlf);
$sb->AppendLine('T30j+utVafhO0HRyJ4iR3Pigb4GXdWBtJEEEWddZJizMkjFQkyUAoYLOT8EJ2TW3',$bCrlf);
$sb->AppendLine('Tz8SvAuHBUEFcPWTSTMAG/bSp5wrYBTXaeEhx+wrYa60OruHuzgmhzKyQVuYlCNJ',$bCrlf);
$sb->AppendLine('HdbnassuIRjjSNo25o4AdSlWwpGfBZjAiyEInR+KGpHdhKTxSekJxiwiXUS0UfSG',$bCrlf);
$sb->AppendLine('prOpd5PzWaAR7DvjLsdmR9XffxvJCVxC735gLK7hDJKjCajDPHVDr8FSL8xMlrq0',$bCrlf);
$sb->AppendLine('nKxtsHeRl1yzoGrRr12+9MiQnHtpqROTNXcXdwe3v+Vh8V5k8v8oIrcgh1+/N7Bd',$bCrlf);
$sb->AppendLine('NiRsy1gFHBdu/he/KcDRT/9/acQFMPLQueGfZxUvU5As6pEONjtKX2MUg2fMF6Rc',$bCrlf);
$sb->AppendLine('sQVVrLzg0g7EcuHGfuPeKfD/716MvS8NU7rX+2soijCSQv/e18PJPMVDlcMXjnup',$bCrlf);
$sb->AppendLine('PPx1tStemesavFlj1okhS6UCAwEAAQ==',$bCrlf);
$sb->AppendLine('-----END PUBLIC KEY-----',$bCrlf);

$pubkey = new CkPublicKey();
$success = $pubkey->LoadFromString($sb->getAsString());
if ($success == false) {
    print $pubkey->lastErrorText() . "\n";
    exit;
}

$rsa = new CkRsa();
$success = $rsa->UsePublicKey($pubkey);
if ($success == false) {
    print $rsa->lastErrorText() . "\n";
    exit;
}

// We probably need a base64Url encoded encrypted key.
// Using straight-up base64 would potenially include chars that are not URL safe (i.e. have special meanings in URLs)
$rsa->put_EncodingMode('base64url');

$encryptedJson = $rsa->encryptStringENC($json->emit(),false);

// Build the URL
// Such as:  https://portal.everyware.com/Account/LoginMenu?data={Base64Url_encrypted_JSON}
$sbUrl = new CkStringBuilder();
$sbUrl->Append('https://portal.everyware.com/Account/LoginMenu?data=');
$sbUrl->Append($encryptedJson);

print $sbUrl->getAsString() . "\n";

?>