1 files changed, 94 insertions, 0 deletions
diff --git a/lib/remote/configfileshandler.cpp b/lib/remote/configfileshandler.cpp
new file mode 100644
index 0000000..779ecd1
--- /dev/null
+++ b/lib/remote/configfileshandler.cpp
@@ -0,0 +1,94 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "remote/configfileshandler.hpp"
+#include "remote/configpackageutility.hpp"
+#include "remote/httputility.hpp"
+#include "remote/filterutility.hpp"
+#include "base/exception.hpp"
+#include "base/utility.hpp"
+#include <boost/algorithm/string/join.hpp>
+#include <fstream>
+
+using namespace icinga;
+
+REGISTER_URLHANDLER("/v1/config/files", ConfigFilesHandler);
+
+bool ConfigFilesHandler::HandleRequest(
+	AsioTlsStream& stream,
+	const ApiUser::Ptr& user,
+	boost::beast::http::request<boost::beast::http::string_body>& request,
+	const Url::Ptr& url,
+	boost::beast::http::response<boost::beast::http::string_body>& response,
+	const Dictionary::Ptr& params,
+	boost::asio::yield_context& yc,
+	HttpServerConnection& server
+)
+{
+	namespace http = boost::beast::http;
+
+	if (request.method() != http::verb::get)
+		return false;
+
+	const std::vector<String>& urlPath = url->GetPath();
+
+	if (urlPath.size() >= 4)
+		params->Set("package", urlPath[3]);
+
+	if (urlPath.size() >= 5)
+		params->Set("stage", urlPath[4]);
+
+	if (urlPath.size() >= 6) {
+		std::vector<String> tmpPath(urlPath.begin() + 5, urlPath.end());
+		params->Set("path", boost::algorithm::join(tmpPath, "/"));
+	}
+
+	if (request[http::field::accept] == "application/json") {
+		HttpUtility::SendJsonError(response, params, 400, "Invalid Accept header. Either remove the Accept header or set it to 'application/octet-stream'.");
+		return true;
+	}
+
+	FilterUtility::CheckPermission(user, "config/query");
+
+	String packageName = HttpUtility::GetLastParameter(params, "package");
+	String stageName = HttpUtility::GetLastParameter(params, "stage");
+
+	if (!ConfigPackageUtility::ValidatePackageName(packageName)) {
+		HttpUtility::SendJsonError(response, params, 400, "Invalid package name.");
+		return true;
+	}
+
+	if (!ConfigPackageUtility::ValidateStageName(stageName)) {
+		HttpUtility::SendJsonError(response, params, 400, "Invalid stage name.");
+		return true;
+	}
+
+	String relativePath = HttpUtility::GetLastParameter(params, "path");
+
+	if (ConfigPackageUtility::ContainsDotDot(relativePath)) {
+		HttpUtility::SendJsonError(response, params, 400, "Path contains '..' (not allowed).");
+		return true;
+	}
+
+	String path = ConfigPackageUtility::GetPackageDir() + "/" + packageName + "/" + stageName + "/" + relativePath;
+
+	if (!Utility::PathExists(path)) {
+		HttpUtility::SendJsonError(response, params, 404, "Path not found.");
+		return true;
+	}
+
+	try {
+		std::ifstream fp(path.CStr(), std::ifstream::in | std::ifstream::binary);
+		fp.exceptions(std::ifstream::badbit);
+
+		String content((std::istreambuf_iterator<char>(fp)), std::istreambuf_iterator<char>());
+		response.result(http::status::ok);
+		response.set(http::field::content_type, "application/octet-stream");
+		response.body() = content;
+		response.content_length(response.body().size());
+	} catch (const std::exception& ex) {
+		HttpUtility::SendJsonError(response, params, 500, "Could not read file.",
+			DiagnosticInformation(ex));
+	}
+
+	return true;
+}