Add simple method to export a public key

paragonie · Jun 5, 2016 · dc32c87 · dc32c87
1 parent 7e99d31
commit dc32c87
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Showing 2 changed files with 21 additions and 2 deletions.
diff --git a/src/GPGMailer.php b/src/GPGMailer.php
@@ -37,13 +37,27 @@ public function __construct(
     }
 
     /**
+     * Get the public key corresponding to a fingerprint.
+     *
+     * @param string $fingerprint
+     * @return string
+     */
+    public function export(string $fingerprint): string
+    {
+        $gnupg = new \Crypt_GPG($this->options);
+        $gnupg->addEncryptKey($fingerprint);
+        return $gnupg->exportPublicKey($fingerprint, true);
+    }
+
+    /**
+     * Encrypt the body of an email.
+     *
      * @param Message $message
      * @param string $fingerprint
      * @return Message
      */
     public function encrypt(Message $message, string $fingerprint): Message
     {
-
         $gnupg = new \Crypt_GPG($this->options);
         $gnupg->addEncryptKey($fingerprint);
 

diff --git a/tests/EmailTest.php b/tests/EmailTest.php
@@ -25,7 +25,7 @@ public function testEncryptedMessage()
         );
 
         $publicKey = '-----BEGIN PGP PUBLIC KEY BLOCK-----
-Version: SKS 1.1.5
+Version: GnuPG v1
 
 mQENBFUgwRUBCADcIpqNwyYc5UmY/tpx1sF/rQ3knR1YNXYZThzFV+Gmqhp1fDH5qBs9foh1
 xwI6O7knWmQngnf/nBumI3x6xj7PuOdEZUh2FwCG/VWnglW8rKmoHzHAivjiu9SLnPIPAgHS
@@ -63,6 +63,11 @@ public function testEncryptedMessage()
 -----END PGP PUBLIC KEY BLOCK-----';
 
         $fingerprint = $gpgMailer->import($publicKey);
+        $exported = $gpgMailer->export($fingerprint);
+        $this->assertSame(
+            \str_replace(["\r", "\n"], '', $publicKey),
+            \str_replace(["\r", "\n"], '', $exported)
+        );
         $this->assertSame(
             '7F52D5C61D1255C731362E826B97A1C2826404DA',
             $fingerprint