Merge pull request #124 from includable/feat/add-basic-test

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+name: PHPUnit Tests on Multiple PHP Versions
+
+on: [ push, pull_request ]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ "7.4", "8.0", "8.1", "8.2" ]
+        openssl_legacy: [ false, true ]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Use OpenSSL legacy mode
+        if: ${{ matrix.openssl_legacy }}
+        run: |
+          printf "openssl_conf = openssl_init\n[openssl_init]\nproviders = provider_sect\n[provider_sect]\ndefault = default_sect\nlegacy = legacy_sect\n[default_sect]\nactivate = 1\n[legacy_sect]\nactivate = 1" > openssl.cnf
+          cat openssl.cnf
+          export OPENSSL_CONF=openssl.cnf
+
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: zip, openssl
+
+      - name: Install Composer dependencies
+        run: composer install --prefer-dist --no-progress --no-interaction
+
+      - name: Run PHPUnit
+        run: vendor/bin/phpunit tests --coverage-text

.gitignore

@@ -1,3 +1,4 @@
 /vendor
 composer.lock
-/Certificates.p12
+/Certificates.p12
+.phpunit.result.cache

README.md

@@ -81,6 +81,10 @@ left, you can select your iPhone. You will then be able to inspect any errors th
 
 ## Changelog
 
+**Version 2.1.0 - April 2023**
+
+* Add alternative method for extracting P12 contents to circumvent issues in recent versions of OpenSSL.
+
 **Version 2.0.2 - October 2022**
 
 * Switch to `ZipArchive::OVERWRITE` method of opening ZIP due to PHP 8 deprecation ([#120](https://github.com/includable/php-pkpass/pull/120)).

composer.json

@@ -20,15 +20,18 @@
       "email": "thomas@includable.com"
     }
   ],
+  "autoload": {
+    "psr-4": {
+      "PKPass\\": "src"
+    }
+  },
   "require": {
-    "php": ">=5.6",
+    "php": ">=7.0",
     "ext-zip": "*",
     "ext-json": "*",
     "ext-openssl": "*"
   },
-  "autoload": {
-    "psr-4": {
-      "PKPass\\": "src"
-    }
+  "require-dev": {
+    "phpunit/phpunit": "^9.6"
   }
 }

src/PKPass.php

@@ -418,29 +418,82 @@ protected function convertPEMtoDER($signature)
     }
 
     /**
-     * Creates a signature and saves it.
+     * Read a PKCS12 certificate string and turn it into an array.
      *
-     * @param string $manifest
+     * @return array
      * @throws PKPassException
      */
-    protected function createSignature($manifest)
+    protected function readP12()
     {
-        $manifest_path = tempnam($this->tempPath, 'pkpass');
-        $signature_path = tempnam($this->tempPath, 'pkpass');
-        file_put_contents($manifest_path, $manifest);
-
+        // Use the built-in reader first
         if (!$pkcs12 = file_get_contents($this->certPath)) {
             throw new PKPassException('Could not read the certificate.');
         }
-
         $certs = [];
-        if (!openssl_pkcs12_read($pkcs12, $certs, $this->certPass)) {
+        if (openssl_pkcs12_read($pkcs12, $certs, $this->certPass)) {
+            return $certs;
+        }
+
+        // That failed, let's check why
+        $error = '';
+        while ($text = openssl_error_string()) {
+            $error .= $text;
+        }
+
+        // General error
+        if (!strstr($error, 'digital envelope routines::unsupported')) {
             throw new PKPassException(
                 'Invalid certificate file. Make sure you have a ' .
                 'P12 certificate that also contains a private key, and you ' .
-                'have specified the correct password!'
+                'have specified the correct password!' . PHP_EOL . PHP_EOL .
+                'OpenSSL error: ' . $error
+            );
+        }
+
+        // Try an alternative route using shell_exec
+        try {
+            $value = @shell_exec(
+                "openssl pkcs12 -in " . escapeshellarg($this->certPath) .
+                " -passin " . escapeshellarg("pass:" . $this->certPass) .
+                " -passout " . escapeshellarg("pass:" . $this->certPass) .
+                " -legacy"
             );
+            if ($value) {
+                $cert = substr($value, strpos($value, '-----BEGIN CERTIFICATE-----'));
+                $cert = substr($cert, 0, strpos($cert, '-----END CERTIFICATE-----') + 25);
+                $key = substr($value, strpos($value, '-----BEGIN ENCRYPTED PRIVATE KEY-----'));
+                $key = substr($key, 0, strpos($key, '-----END ENCRYPTED PRIVATE KEY-----') + 35);
+                if (strlen($cert) > 0 && strlen($key) > 0) {
+                    $certs['cert'] = $cert;
+                    $certs['pkey'] = $key;
+                    return $certs;
+                }
+            }
+        } catch (\Throwable $e) {
+            // no need to do anything
         }
+
+        throw new PKPassException(
+            'Could not read certificate file. This might be related ' .
+            'to using an OpenSSL version that has deprecated some older ' .
+            'hashes. More info here: https://schof.link/2Et6z3m ' . PHP_EOL . PHP_EOL .
+            'OpenSSL error: ' . $error
+        );
+    }
+
+    /**
+     * Creates a signature and saves it.
+     *
+     * @param string $manifest
+     * @throws PKPassException
+     */
+    protected function createSignature($manifest)
+    {
+        $manifest_path = tempnam($this->tempPath, 'pkpass');
+        $signature_path = tempnam($this->tempPath, 'pkpass');
+        file_put_contents($manifest_path, $manifest);
+
+        $certs = $this->readP12();
         $certdata = openssl_x509_read($certs['cert']);
         $privkey = openssl_pkey_get_private($certs['pkey'], $this->certPass);
 
@@ -506,11 +559,11 @@ protected function createZip($manifest, $signature)
             $download_file = file_get_contents($url);
             $zip->addFromString($name, $download_file);
         }
-        
+
         foreach ($this->files_content as $name => $content) {
             $zip->addFromString($name, $content);
         }
-        
+
         $zip->close();
 
         if (!file_exists($filename) || filesize($filename) < 1) {

tests/BasicTest.php

@@ -0,0 +1,65 @@
+<?php declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+use PKPass\PKPass;
+
+final class BasicTest extends TestCase
+{
+    private function validatePass($pass, $expected_files = [])
+    {
+        // basic string validation
+        $this->assertIsString($pass);
+        $this->assertGreaterThan(100, strlen($pass));
+        $this->assertStringContainsString('icon.png', $pass);
+        $this->assertStringContainsString('manifest.json', $pass);
+
+        // try to read the ZIP file
+        $temp_name = tempnam(sys_get_temp_dir(), 'pkpass');
+        file_put_contents($temp_name, $pass);
+        $zip = new ZipArchive();
+        $res = $zip->open($temp_name);
+        $this->assertTrue($res, 'Invalid ZIP file.');
+        $this->assertEquals(count($expected_files), $zip->numFiles);
+
+        // extract zip to temp dir
+        $temp_dir = $temp_name . '_dir';
+        mkdir($temp_dir);
+        $zip->extractTo($temp_dir);
+        $zip->close();
+        echo $temp_dir;
+        foreach ($expected_files as $file) {
+            $this->assertFileExists($temp_dir . DIRECTORY_SEPARATOR . $file);
+        }
+    }
+
+    public function testBasicGeneration()
+    {
+        $pass = new PKPass(__DIR__ . '/fixtures/example-certificate.p12', 'password');
+        $data = [
+            'description' => 'Demo pass',
+            'formatVersion' => 1,
+            'organizationName' => 'Flight Express',
+            'passTypeIdentifier' => 'pass.com.scholica.flights', // Change this!
+            'serialNumber' => '12345678',
+            'teamIdentifier' => 'KN44X8ZLNC', // Change this!
+            'barcode' => [
+                'format' => 'PKBarcodeFormatQR',
+                'message' => 'Flight-GateF12-ID6643679AH7B',
+                'messageEncoding' => 'iso-8859-1',
+            ],
+            'backgroundColor' => 'rgb(32,110,247)',
+            'logoText' => 'Flight info',
+            'relevantDate' => date('Y-m-d\TH:i:sP')
+        ];
+        $pass->setData($data);
+        $pass->addFile(__DIR__ . '/fixtures/icon.png');
+        $value = $pass->create();
+
+        $this->validatePass($value, [
+            'icon.png',
+            'manifest.json',
+            'pass.json',
+            'signature',
+        ]);
+    }
+}