Use proper certificates

Ports bcf693539b

lib/private/IntegrityCheck/Checker.php

@@ -323,13 +323,20 @@ class Checker {
 		$signature = base64_decode($signatureData['signature']);
 		$certificate = $signatureData['certificate'];
 
-		// Check if certificate is signed by ownCloud Root Authority
+		// Check if certificate is signed by Nextcloud Root Authority
 		$x509 = new \phpseclib\File\X509();
 		$rootCertificatePublicKey = $this->fileAccessHelper->file_get_contents($this->environmentHelper->getServerRoot().'/resources/codesigning/root.crt');
 		$x509->loadCA($rootCertificatePublicKey);
 		$x509->loadX509($certificate);
 		if(!$x509->validateSignature()) {
-			throw new InvalidSignatureException('Certificate is not valid.');
+			// FIXME: Once Nextcloud has it's own appstore we should remove the ownCloud Root Authority from here
+			$x509 = new \phpseclib\File\X509();
+			$rootCertificatePublicKey = $this->fileAccessHelper->file_get_contents($this->environmentHelper->getServerRoot().'/resources/codesigning/owncloud.crt');
+			$x509->loadCA($rootCertificatePublicKey);
+			$x509->loadX509($certificate);
+			if(!$x509->validateSignature()) {
+				throw new InvalidSignatureException('Certificate is not valid.');
+			}
 		}
 		// Verify if certificate has proper CN. "core" CN is always trusted.
 		if($x509->getDN(X509::DN_OPENSSL)['CN'] !== $certificateCN && $x509->getDN(X509::DN_OPENSSL)['CN'] !== 'core') {

resources/codesigning/core.crt

@@ -1,24 +1,27 @@
 -----BEGIN CERTIFICATE-----
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-YSu356M=
------END CERTIFICATE-----
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+-----END CERTIFICATE-----

resources/codesigning/root.crt

@@ -1,66 +1,46 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----