Merge pull request #4 from eislasq/master

Support to load Pkcs8 key as is. #3

Author: eclipxe13

src/PrivateKey.php

@@ -29,11 +29,19 @@ public function __construct(string $source, string $passPhrase)
             throw new UnexpectedValueException('Private key is empty');
         }
         $pemExtractor = new PemExtractor($source);
-        $source = $pemExtractor->extractPrivateKey();
-        if ('' === $source) {
-            throw new UnexpectedValueException('Private key is not PEM');
+        $private = $pemExtractor->extractPrivateKey();
+        if ('' === $private) {
+            if (boolval(preg_match('/^[a-zA-Z0-9+\/]+={0,2}$/', $source))) {
+                // if contents are base64 encoded, then decode it
+                $source = base64_decode($source, true) ?: '';
+            }
+            $pem = '-----BEGIN ENCRYPTED PRIVATE KEY-----' . PHP_EOL
+                    . chunk_split(base64_encode($source), 64, PHP_EOL)
+                    . '-----END ENCRYPTED PRIVATE KEY-----';
+        } else {
+            $pem = $private;
         }
-        $this->pem = $source;
+        $this->pem = $pem;
         $this->passPhrase = $passPhrase;
         $dataArray = $this->callOnPrivateKey(
             function ($privateKey): array {

tests/Unit/PrivateKeyConstructTest.php

@@ -50,15 +50,31 @@ public function testConstructWithEmptyContent(): void
 
     public function testConstructWithInvalidContent(): void
     {
-        $this->expectException(UnexpectedValueException::class);
-        $this->expectExceptionMessage('Private key is not PEM');
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('Cannot open private key');
         new PrivateKey('invalid content', '');
     }
 
     public function testConstructWithInvalidButBase64Content(): void
     {
-        $this->expectException(UnexpectedValueException::class);
-        $this->expectExceptionMessage('Private key is not PEM');
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('Cannot open private key');
         new PrivateKey('INVALID+CONTENT', '');
     }
+    
+    public function testConstructWithPkcs8Content(): void
+    {
+        $content = $this->fileContents('CSD01_AAA010101AAA/private_key.key');
+        $password = trim($this->fileContents('CSD01_AAA010101AAA/password.txt'));
+        $privateKey = new PrivateKey($content, $password);
+        $this->assertGreaterThan(0, $privateKey->numberOfBits());
+    }
+    
+    public function testConstructWithPkcs8Base64Content(): void
+    {
+        $content = base64_encode($this->fileContents('CSD01_AAA010101AAA/private_key.key'));
+        $password = trim($this->fileContents('CSD01_AAA010101AAA/password.txt'));
+        $privateKey = new PrivateKey($content, $password);
+        $this->assertGreaterThan(0, $privateKey->numberOfBits());
+    }
 }