Optionally use existing private key to generate S/MIME certificate

dev/View/Popup/Identity.js

@@ -52,10 +52,13 @@ export class IdentityPopupView extends AbstractViewPopup {
 				if (oData.Result.x509) {
 					identity.smimeKey(oData.Result.pkey);
 					identity.smimeCertificate(oData.Result.x509);
+				} else {
+					this.submitError(oData.ErrorMessage);
 				}
 			}, {
 				name: identity.name(),
 				email: identity.email(),
+				privateKey: identity.smimeKey(),
 				passphrase: pass.password
 			});
 		}

snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Accounts.php

@@ -261,7 +261,11 @@ trait Accounts
 		if (!$oIdentity->FromJSON($this->GetActionParams(), true)) {
 			throw new ClientException(Notifications::InvalidInputArgument);
 		}
-
+/*		// TODO: verify private key for certificate?
+		if ($oIdentity->smimeCertificate && $oIdentity->smimeKey) {
+			new \SnappyMail\SMime\Certificate($oIdentity->smimeCertificate, $oIdentity->smimeKey);
+		}
+*/
 		$this->IdentitiesProvider()->UpdateIdentity($oAccount, $oIdentity);
 		return $this->TrueResponse();
 	}

snappymail/v/0.0.0/app/libraries/RainLoop/Actions/SMime.php

@@ -59,15 +59,13 @@ trait SMime
 	{
 		$oAccount = $this->getAccountFromToken();
 
-		$sName = $this->GetActionParam('name', '') ?: $oAccount->Name();
-		$sEmail = $this->GetActionParam('email', '') ?: $oAccount->Email();
 		$sPassphrase = $this->GetActionParam('passphrase', '');
 		$this->logMask($sPassphrase);
 
 		$cert = new Certificate();
-		$cert->distinguishedName['commonName'] = $sName;
+		$cert->distinguishedName['commonName'] = $this->GetActionParam('name', '') ?: $oAccount->Name();
-		$cert->distinguishedName['emailAddress'] = $sEmail;
+		$cert->distinguishedName['emailAddress'] = $this->GetActionParam('email', '') ?: $oAccount->Email();
-		$result = $cert->createSelfSigned($sPassphrase);
+		$result = $cert->createSelfSigned($sPassphrase, $this->GetActionParam('privateKey', ''));
 		return $this->DefaultResponse($result ?: false);
 	}
 

snappymail/v/0.0.0/app/libraries/RainLoop/Model/Identity.php

@@ -37,6 +37,16 @@ class Identity implements \JsonSerializable
 		$this->sEmail = $sEmail;
 	}
 
+	function __get(string $name)
+	{
+		if (!\property_exists($this, $name)) {
+			$name = \substr($name, 1);
+		}
+		if (\property_exists($this, $name)) {
+			return $this->$name;
+		}
+	}
+
 	function toMime() : \MailSo\Mime\Email
 	{
 		return new \MailSo\Mime\Email($this->sEmail, $this->sName);

snappymail/v/0.0.0/app/libraries/snappymail/smime/certificate.php

@@ -112,7 +112,11 @@ class Certificate
 		return \openssl_get_cipher_methods($aliases);
 	}
 
-	public function createSelfSigned(string $passphrase = '') : array
+	public function createSelfSigned(
+		#[\SensitiveParameter]
+		string $passphrase = '',
+		?string $privateKey = null
+	) : array
 	{
 		$options = array(
 			'config'             => __DIR__ . '/openssl.cnf',
@@ -134,7 +138,13 @@ class Certificate
 		}
 
 		$pkey = null; // openssl_pkey_new($options);
-		$csr  = \openssl_csr_new($dn, $pkey, $options);
+		if ($privateKey) {
+			$pkey = \openssl_pkey_get_private($privateKey, $passphrase);
+			if (!$pkey) {
+				throw new \RuntimeException('OpenSSL pkey: ' . \openssl_error_string());
+			}
+		}
+		$csr = \openssl_csr_new($dn, $pkey, $options);
 		if ($csr) {
 			$this->x509 = \openssl_csr_sign(
 				$csr,
@@ -145,13 +155,11 @@ class Certificate
 			);
 			if ($this->x509/* && $this->canSign() && $this->canEncrypt()*/) {
 				$this->pkey = $pkey;
-				$privatekey = '';
+				$privateKey || \openssl_pkey_export($pkey, $privateKey, $passphrase);
 				$certificate = '';
-				$csrStr = '';
-				\openssl_pkey_export($pkey, $privatekey, $passphrase);
 				\openssl_x509_export($this->x509, $certificate);
 				return array(
-					'pkey' => $privatekey,
+					'pkey' => $privateKey,
 					'x509' => $certificate,
 //					'pkcs12' => $this->asPKCS12($pkey, $passphrase/*, array $args = array()*/)
 //					'canSign' => $this->canSign(),
@@ -167,7 +175,11 @@ class Certificate
 	}
 
 	// returns binary data
-	public function asPKCS12(string $pass = '', array $args = array()) : string
+	public function asPKCS12(
+		#[\SensitiveParameter]
+		string $pass = '',
+		array $args = array()
+	) : string
 	{
 		$out = '';
     	\openssl_pkcs12_export($this->x509, $out, $this->pkey, $pass, $args);

snappymail/v/0.0.0/app/templates/Views/User/PopupsIdentity.html

@@ -96,7 +96,7 @@
 					<label>Certificate</label>
 					<textarea name="smimeCertificate" class="input-xxlarge" rows="14" autofocus="" autocomplete="off" data-bind="value: smimeCertificate"></textarea>
 				</div>
-				<div class="control-group" data-bind="hidden:smimeKey">
+				<div class="control-group" data-bind="hidden:smimeCertificate">
 					<label></label>
 					<button type="button" data-bind="click: $root.createSelfSigned" data-i18n="CRYPTO/CREATE_SELF_SIGNED"></button>
 				</div>