PHP ActiveX Requires Chilkat v11.0.0+

Sign Manifest File to Generate a Passbook .pkpass in Memory

Demonstrates how to create a Passbook .pkpass archive by creating a signature of a manifest file and then zipping to a .pkpass archive in memory PHP ActiveX

<?php

$success = 0;

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

//  ---------------------------------------------------------------------------------------------
//  This example is the same as Sign Manifest File to Generate a Passbook .pkpass file
//  except everything happens in memory (no input files, no output files)
//  ---------------------------------------------------------------------------------------------

//  First create the manifest.json

$manifest = new COM("Chilkat.JsonObject");
$crypt = new COM("Chilkat.Crypt2");

$zip = new COM("Chilkat.Zip");
$zip->NewZip('notUsedAndNeverCreated.zip');

$crypt->HashAlgorithm = 'sha1';
//  Return hashes as lowercase hex.
$crypt->EncodingMode = 'hexlower';

$pngData = new COM("Chilkat.BinData");
//  Assume we load the pngData with bytes for "icon.png" from somewhere, such as a byte array in memory.
$zip->AddBd('icon.png',$pngData);
$digestStr = $crypt->hashBdENC($pngData);
$manifest->UpdateString('\'icon.png\'',$digestStr);

$pngData->Clear();
//  Assume we load the pngData with bytes for "icon@2x.png" from somewhere...
$zip->AddBd('icon@2x.png',$pngData);
$digestStr = $crypt->hashBdENC($pngData);
$manifest->UpdateString('\'icon@2x.png\'',$digestStr);

$pngData->Clear();
//  Assume we load the pngData with bytes for "logo.png" from somewhere...
$zip->AddBd('logo.png',$pngData);
$digestStr = $crypt->hashBdENC($pngData);
$manifest->UpdateString('\'logo.png\'',$digestStr);

$pngData->Clear();
//  Assume we load the pngData with bytes for "logo@2x.png" from somewhere...
$zip->AddBd('logo@2x.png',$pngData);
$digestStr = $crypt->hashBdENC($pngData);
$manifest->UpdateString('\'logo@2x.png\'',$digestStr);

$passJson = '{ .... }';//  Contains the contents of pass.json
$zip->AddString('pass.json',$passJson,'utf-8');
$digestStr = $crypt->hashStringENC($passJson);
$manifest->UpdateString('\'pass.json\'',$digestStr);

$zip->AddString('manifest.json',$manifest->emit(),'utf-8');

//  Make sure we have the Apple WWDR intermediate certificate available for 
//  the cert chain in the signature.
$certVault = new COM("Chilkat.XmlCertVault");
$appleWwdrCert = new COM("Chilkat.Cert");
$success = $appleWwdrCert->LoadByCommonName('Apple Worldwide Developer Relations Certification Authority');
if ($success != 1) {
    print 'The Apple WWDR intermediate certificate is not installed.' . "\n";
    print 'It is available at https://developer.apple.com/certificationauthority/AppleWWDRCA.cer' . "\n";
    print 'You may alternatively load the .cer like this...' . "\n";
    $success = $appleWwdrCert->LoadFromFile('qa_data/certs/AppleWWDRCA.cer');
    if ($success == 0) {
        print $appleWwdrCert->LastErrorText . "\n";
        exit;
    }

}

$certVault->AddCert($appleWwdrCert);
$crypt->UseCertVault($certVault);

//  Use a digital certificate and private key from a PFX
$bdPfx = new COM("Chilkat.BinData");
//  Assume we loaded a PFX into bdPfx....
$pfxPassword = 'test123';

$cert = new COM("Chilkat.Cert");
$success = $cert->LoadPfxBd($bdPfx,$pfxPassword);
if ($success == 0) {
    print $cert->LastErrorText . "\n";
    exit;
}

//  Provide the signing cert (with associated private key).
$success = $crypt->SetSigningCert($cert);
if ($success == 0) {
    print $crypt->LastErrorText . "\n";
    exit;
}

//  Specify the signed attributes to be included.
//  (These attributes appear to not be necessary, but we're including
//  them just in case they become necessary in the future.)
$jsonSignedAttrs = new COM("Chilkat.JsonObject");
$jsonSignedAttrs->UpdateInt('contentType',1);
$jsonSignedAttrs->UpdateInt('signingTime',1);
$crypt->SigningAttributes = $jsonSignedAttrs->emit();

//  Sign the manifest JSON to produce a signature
$crypt->EncodingMode = 'base64';
$sig = $crypt->signStringENC($manifest->emit());
$bdSig = new COM("Chilkat.BinData");
$bdSig->AppendEncoded($sig,'base64');
$zip->AddBd('signature',$bdSig);

//  ---------------------------------------------------------------------------------------------
//  Note: Chilkat also has the capability to do everything in-memory (no files would be involved).  
//  If this is of interest, please send email to support@chilkatsoft.com
//  ---------------------------------------------------------------------------------------------

//  Create the .pkipass archive (which is a .zip archive containing the required files).
//  the .zip is written to bdZip
$bdZip = new COM("Chilkat.BinData");
$success = $zip->WriteBd($bdZip);
if ($success == 0) {
    print $zip->LastErrorText . "\n";
    exit;
}

print 'Success.' . "\n";

?>