owncloud / mail

		$expectedResponse = new \OCA\Mail\Http\HtmlResponse(null);

		$expectedResponse->cacheFor(3600);

		$expectedResponse->addHeader('Pragma', 'cache');

		if(class_exists('\OCP\AppFramework\Http\ContentSecurityPolicy')) {

			$policy = new \OCP\AppFramework\Http\ContentSecurityPolicy();

			$policy->allowEvalScript(false);

			$policy->disallowScriptDomain('\'self\'');

			$policy->disallowConnectDomain('\'self\'');

			$policy->disallowFontDomain('\'self\'');

			$policy->disallowMediaDomain('\'self\'');

			$expectedResponse->setContentSecurityPolicy($policy);

		}

		$actualResponse = $this->controller->getHtmlBody($accountId, base64_encode($folderId), $messageId);

			// Harden the default security policy

			// FIXME: Remove once ownCloud 8.1 is a requirement for the mail app

			if(class_exists('\OCP\AppFramework\Http\ContentSecurityPolicy')) {

				$policy = new ContentSecurityPolicy();

				$policy->allowEvalScript(false);

				$policy->disallowScriptDomain('\'self\'');

				$policy->disallowConnectDomain('\'self\'');

				$policy->disallowFontDomain('\'self\'');

				$policy->disallowMediaDomain('\'self\'');

				$htmlResponse->setContentSecurityPolicy($policy);

			}

			// Enable caching

			$htmlResponse->cacheFor(60 * 60);