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(PHP Extension) Sign Manifest File to Generate a Passbook .pkpass in MemoryDemonstrates 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 // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // 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 CkJsonObject(); $crypt = new CkCrypt2(); $zip = new CkZip(); $zip->NewZip('notUsedAndNeverCreated.zip'); $crypt->put_HashAlgorithm('sha1'); // Return hashes as lowercase hex. $crypt->put_EncodingMode('hexlower'); $pngData = new CkBinData(); // Assume we load the pngData with bytes for "icon.png" from somewhere, such as a byte array in memory. // entry is a CkZipEntry $entry = $zip->AppendBd('icon.png',$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... // entry is a CkZipEntry $entry = $zip->AppendBd('icon@2x.png',$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... // entry is a CkZipEntry $entry = $zip->AppendBd('logo.png',$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... // entry is a CkZipEntry $entry = $zip->AppendBd('logo@2x.png',$pngData); $digestStr = $crypt->hashBdENC($pngData); $manifest->UpdateString('\'logo@2x.png\'',$digestStr); $passJson = '{ .... }';// Contains the contents of pass.json // entry is a CkZipEntry $entry = $zip->AppendString('pass.json',$passJson); $digestStr = $crypt->hashStringENC($passJson); $manifest->UpdateString('\'pass.json\'',$digestStr); // entry is a CkZipEntry $entry = $zip->AppendString('manifest.json',$manifest->emit()); // Make sure we have the Apple WWDR intermediate certificate available for // the cert chain in the signature. $certVault = new CkXmlCertVault(); $appleWwdrCert = new CkCert(); $success = $appleWwdrCert->LoadByCommonName('Apple Worldwide Developer Relations Certification Authority'); if ($success != true) { 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 != true) { print $appleWwdrCert->lastErrorText() . "\n"; exit; } } $certVault->AddCert($appleWwdrCert); $crypt->UseCertVault($certVault); // Use a digital certificate and private key from a PFX $bdPfx = new CkBinData(); // Assume we loaded a PFX into bdPfx.... $pfxPassword = 'test123'; $cert = new CkCert(); $success = $cert->LoadPfxBd($bdPfx,$pfxPassword); if ($success != true) { print $cert->lastErrorText() . "\n"; exit; } // Provide the signing cert (with associated private key). $success = $crypt->SetSigningCert($cert); if ($success != true) { 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 CkJsonObject(); $jsonSignedAttrs->UpdateInt('contentType',1); $jsonSignedAttrs->UpdateInt('signingTime',1); $crypt->put_SigningAttributes($jsonSignedAttrs->emit()); // Sign the manifest JSON to produce a signature $crypt->put_EncodingMode('base64'); $sig = $crypt->signStringENC($manifest->emit()); $bdSig = new CkBinData(); $bdSig->AppendEncoded($sig,'base64'); // entry is a CkZipEntry $entry = $zip->AppendBd('signature',$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 CkBinData(); $success = $zip->WriteBd($bdZip); if ($success != true) { print $zip->lastErrorText() . "\n"; exit; } print 'Success.' . "\n"; ?> |
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