f63858433b
Change-Id: Ib62a7aa61062f00698aa3e8a144438de5c57e53d
833 lines
31 KiB
C++
833 lines
31 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <config.h>
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#include "Storage.hpp"
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#include <algorithm>
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#include <cassert>
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#include <fstream>
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#include <iconv.h>
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#include <string>
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#include <Poco/DateTime.h>
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#include <Poco/DateTimeParser.h>
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#include <Poco/Exception.h>
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#include <Poco/JSON/Object.h>
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#include <Poco/JSON/Parser.h>
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#include <Poco/Net/DNS.h>
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#include <Poco/Net/HTTPClientSession.h>
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#include <Poco/Net/HTTPRequest.h>
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#include <Poco/Net/HTTPResponse.h>
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#include <Poco/Net/HTTPSClientSession.h>
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#include <Poco/Net/NameValueCollection.h>
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#include <Poco/Net/NetworkInterface.h>
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#include <Poco/Net/SSLManager.h>
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#include <Poco/StreamCopier.h>
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#include <Poco/Timestamp.h>
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// For residual Poco SSL usage.
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#include <Poco/Net/AcceptCertificateHandler.h>
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#include <Poco/Net/Context.h>
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#include <Poco/Net/KeyConsoleHandler.h>
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#include <Poco/Net/SSLManager.h>
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#include "Auth.hpp"
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#include <Common.hpp>
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#include "Exceptions.hpp"
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#include "LOOLWSD.hpp"
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#include <Log.hpp>
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#include <Unit.hpp>
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#include <Util.hpp>
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#include <common/FileUtil.hpp>
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bool StorageBase::FilesystemEnabled;
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bool StorageBase::WopiEnabled;
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Util::RegexListMatcher StorageBase::WopiHosts;
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std::string StorageBase::getLocalRootPath() const
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{
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auto localPath = _jailPath;
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if (localPath[0] == '/')
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{
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// Remove the leading /
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localPath.erase(0, 1);
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}
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// /chroot/jailId/user/doc/childId
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const auto rootPath = Poco::Path(_localStorePath, localPath);
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Poco::File(rootPath).createDirectories();
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return rootPath.toString();
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}
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size_t StorageBase::getFileSize(const std::string& filename)
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{
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return std::ifstream(filename, std::ifstream::ate | std::ifstream::binary).tellg();
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}
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void StorageBase::initialize()
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{
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const auto& app = Poco::Util::Application::instance();
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FilesystemEnabled = app.config().getBool("storage.filesystem[@allow]", false);
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// Parse the WOPI settings.
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WopiHosts.clear();
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WopiEnabled = app.config().getBool("storage.wopi[@allow]", false);
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if (WopiEnabled)
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{
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for (size_t i = 0; ; ++i)
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{
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const std::string path = "storage.wopi.host[" + std::to_string(i) + "]";
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const auto host = app.config().getString(path, "");
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if (!host.empty())
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{
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if (app.config().getBool(path + "[@allow]", false))
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{
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LOG_INF("Adding trusted WOPI host: [" << host << "].");
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WopiHosts.allow(host);
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}
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else
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{
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LOG_INF("Adding blocked WOPI host: [" << host << "].");
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WopiHosts.deny(host);
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}
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}
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else if (!app.config().has(path))
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{
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break;
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}
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}
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}
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#if ENABLE_SSL
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// FIXME: should use our own SSL socket implementation here.
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Poco::Crypto::initializeCrypto();
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Poco::Net::initializeSSL();
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// Init client
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Poco::Net::Context::Params sslClientParams;
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// TODO: Be more strict and setup SSL key/certs for remove server and us
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sslClientParams.verificationMode = Poco::Net::Context::VERIFY_NONE;
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Poco::SharedPtr<Poco::Net::PrivateKeyPassphraseHandler> consoleClientHandler = new Poco::Net::KeyConsoleHandler(false);
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Poco::SharedPtr<Poco::Net::InvalidCertificateHandler> invalidClientCertHandler = new Poco::Net::AcceptCertificateHandler(false);
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Poco::Net::Context::Ptr sslClientContext = new Poco::Net::Context(Poco::Net::Context::CLIENT_USE, sslClientParams);
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Poco::Net::SSLManager::instance().initializeClient(consoleClientHandler, invalidClientCertHandler, sslClientContext);
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#endif
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}
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bool isLocalhost(const std::string& targetHost)
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{
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std::string targetAddress;
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try
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{
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targetAddress = Poco::Net::DNS::resolveOne(targetHost).toString();
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}
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catch (const Poco::Exception& exc)
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{
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LOG_WRN("Poco::Net::DNS::resolveOne(\"" << targetHost << "\") failed: " << exc.displayText());
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try
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{
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targetAddress = Poco::Net::IPAddress(targetHost).toString();
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}
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catch (const Poco::Exception& exc1)
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{
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LOG_WRN("Poco::Net::IPAddress(\"" << targetHost << "\") failed: " << exc1.displayText());
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}
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}
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Poco::Net::NetworkInterface::NetworkInterfaceList list = Poco::Net::NetworkInterface::list(true,true);
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for (auto& netif : list)
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{
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std::string address = netif.address().toString();
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address = address.substr(0, address.find('%', 0));
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if (address == targetAddress)
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{
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LOG_INF("WOPI host is on the same host as the WOPI client: \"" <<
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targetAddress << "\". Connection is allowed.");
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return true;
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}
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}
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LOG_INF("WOPI host is not on the same host as the WOPI client: \"" <<
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targetAddress << "\". Connection is not allowed.");
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return false;
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}
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std::unique_ptr<StorageBase> StorageBase::create(const Poco::URI& uri, const std::string& jailRoot, const std::string& jailPath)
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{
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// FIXME: By the time this gets called we have already sent to the client three
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// 'statusindicator:' messages: 'find', 'connect' and 'ready'. We should ideally do the checks
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// here much earlier. Also, using exceptions is lame and makes understanding the code harder,
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// but that is just my personal preference.
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std::unique_ptr<StorageBase> storage;
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if (UnitWSD::get().createStorage(uri, jailRoot, jailPath, storage))
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{
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LOG_INF("Storage load hooked.");
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if (storage)
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{
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return storage;
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}
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}
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else if (uri.isRelative() || uri.getScheme() == "file")
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{
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LOG_INF("Public URI [" << uri.toString() << "] is a file.");
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#if ENABLE_DEBUG
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if (std::getenv("FAKE_UNAUTHORIZED"))
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{
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LOG_FTL("Faking an UnauthorizedRequestException");
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throw UnauthorizedRequestException("No acceptable WOPI hosts found matching the target host in config.");
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}
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#endif
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if (FilesystemEnabled)
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{
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return std::unique_ptr<StorageBase>(new LocalStorage(uri, jailRoot, jailPath));
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}
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else
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{
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// guard against attempts to escape
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Poco::URI normalizedUri(uri);
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normalizedUri.normalize();
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std::vector<std::string> pathSegments;
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normalizedUri.getPathSegments(pathSegments);
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if (pathSegments.size() == 4 && pathSegments[0] == "tmp" && pathSegments[1] == "convert-to")
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{
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LOG_INF("Public URI [" << normalizedUri.toString() << "] is actually a convert-to tempfile.");
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return std::unique_ptr<StorageBase>(new LocalStorage(normalizedUri, jailRoot, jailPath));
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}
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}
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LOG_ERR("Local Storage is disabled by default. Enable in the config file or on the command-line to enable.");
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}
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else if (WopiEnabled)
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{
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LOG_INF("Public URI [" << uri.toString() << "] considered WOPI.");
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const auto& targetHost = uri.getHost();
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if (WopiHosts.match(targetHost) || isLocalhost(targetHost))
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{
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return std::unique_ptr<StorageBase>(new WopiStorage(uri, jailRoot, jailPath));
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}
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throw UnauthorizedRequestException("No acceptable WOPI hosts found matching the target host [" + targetHost + "] in config.");
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}
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throw BadRequestException("No Storage configured or invalid URI.");
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}
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std::atomic<unsigned> LocalStorage::LastLocalStorageId;
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std::unique_ptr<LocalStorage::LocalFileInfo> LocalStorage::getLocalFileInfo()
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{
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const auto path = Poco::Path(_uri.getPath());
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LOG_DBG("Getting info for local uri [" << _uri.toString() << "], path [" << path.toString() << "].");
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const auto& filename = path.getFileName();
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const auto file = Poco::File(path);
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const auto lastModified = file.getLastModified();
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const auto size = file.getSize();
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_fileInfo = FileInfo({filename, "localhost", lastModified, size});
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// Set automatic userid and username
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return std::unique_ptr<LocalStorage::LocalFileInfo>(new LocalFileInfo({"localhost" + std::to_string(LastLocalStorageId), "Local Host #" + std::to_string(LastLocalStorageId++)}));
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}
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std::string LocalStorage::loadStorageFileToLocal(const Authorization& /*auth*/)
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{
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// /chroot/jailId/user/doc/childId/file.ext
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const auto filename = Poco::Path(_uri.getPath()).getFileName();
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_jailedFilePath = Poco::Path(getLocalRootPath(), filename).toString();
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LOG_INF("Public URI [" << _uri.getPath() <<
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"] jailed to [" << _jailedFilePath << "].");
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// Despite the talk about URIs it seems that _uri is actually just a pathname here
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const auto publicFilePath = _uri.getPath();
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if (!FileUtil::checkDiskSpace(_jailedFilePath))
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{
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throw StorageSpaceLowException("Low disk space for " + _jailedFilePath);
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}
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LOG_INF("Linking " << publicFilePath << " to " << _jailedFilePath);
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if (!Poco::File(_jailedFilePath).exists() && link(publicFilePath.c_str(), _jailedFilePath.c_str()) == -1)
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{
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// Failed
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LOG_WRN("link(\"" << publicFilePath << "\", \"" << _jailedFilePath << "\") failed. Will copy.");
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}
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try
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{
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// Fallback to copying.
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if (!Poco::File(_jailedFilePath).exists())
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{
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LOG_INF("Copying " << publicFilePath << " to " << _jailedFilePath);
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Poco::File(publicFilePath).copyTo(_jailedFilePath);
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_isCopy = true;
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}
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}
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catch (const Poco::Exception& exc)
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{
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LOG_ERR("copyTo(\"" << publicFilePath << "\", \"" << _jailedFilePath << "\") failed: " << exc.displayText());
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throw;
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}
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_isLoaded = true;
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// Now return the jailed path.
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#ifndef KIT_IN_PROCESS
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if (LOOLWSD::NoCapsForKit)
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return _jailedFilePath;
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else
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return Poco::Path(_jailPath, filename).toString();
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#else
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return _jailedFilePath;
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#endif
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}
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StorageBase::SaveResult LocalStorage::saveLocalFileToStorage(const Authorization& /*auth*/, const std::string& /*saveAsPath*/, const std::string& /*saveAsFilename*/)
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{
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try
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{
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LOG_TRC("Saving local file to local file storage " << _isCopy << " for " << _jailedFilePath);
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// Copy the file back.
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if (_isCopy && Poco::File(_jailedFilePath).exists())
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{
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LOG_INF("Copying " << _jailedFilePath << " to " << _uri.getPath());
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Poco::File(_jailedFilePath).copyTo(_uri.getPath());
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}
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// update its fileinfo object. This is used later to check if someone else changed the
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// document while we are/were editing it
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_fileInfo._modifiedTime = Poco::File(_uri.getPath()).getLastModified();
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Log::trace() << "New FileInfo modified time in storage " << _fileInfo._modifiedTime << Log::end;
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}
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catch (const Poco::Exception& exc)
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{
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LOG_ERR("copyTo(\"" << _jailedFilePath << "\", \"" << _uri.getPath() <<
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"\") failed: " << exc.displayText());
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return StorageBase::SaveResult::FAILED;
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}
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return StorageBase::SaveResult(StorageBase::SaveResult::OK);
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}
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namespace {
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inline
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Poco::Net::HTTPClientSession* getHTTPClientSession(const Poco::URI& uri)
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{
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// FIXME: if we're configured for http - we can still use an https:// wopi
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// host surely; of course - the converse is not true / sensible.
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return (LOOLWSD::isSSLEnabled() || LOOLWSD::isSSLTermination())
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? new Poco::Net::HTTPSClientSession(uri.getHost(), uri.getPort(),
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Poco::Net::SSLManager::instance().defaultClientContext())
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: new Poco::Net::HTTPClientSession(uri.getHost(), uri.getPort());
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}
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int getLevenshteinDist(const std::string& string1, const std::string& string2) {
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int matrix[string1.size() + 1][string2.size() + 1];
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std::memset(matrix, 0, sizeof(matrix[0][0]) * (string1.size() + 1) * (string2.size() + 1));
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for (size_t i = 0; i < string1.size() + 1; i++)
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{
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for (size_t j = 0; j < string2.size() + 1; j++)
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{
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if (i == 0)
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{
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matrix[i][j] = j;
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}
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else if (j == 0)
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{
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matrix[i][j] = i;
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}
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else if (string1[i - 1] == string2[j - 1])
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{
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matrix[i][j] = matrix[i - 1][j - 1];
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}
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else
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{
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matrix[i][j] = 1 + std::min(std::min(matrix[i][j - 1], matrix[i - 1][j]),
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matrix[i - 1][j - 1]);
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}
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}
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}
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return matrix[string1.size()][string2.size()];
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}
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// Gets value for `key` directly from the given JSON in `object`
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template <typename T>
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T getJSONValue(const Poco::JSON::Object::Ptr &object, const std::string& key)
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{
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T value = T();
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try
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{
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const Poco::Dynamic::Var valueVar = object->get(key);
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value = valueVar.convert<T>();
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}
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catch (const Poco::Exception& exc)
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{
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LOG_ERR("getJSONValue: " << exc.displayText() <<
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(exc.nested() ? " (" + exc.nested()->displayText() + ")" : ""));
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}
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return value;
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}
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// Function that searches `object` for `key` and warns if there are minor mis-spellings involved
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// Upon successfull search, fills `value` with value found in object.
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template <typename T>
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void getWOPIValue(const Poco::JSON::Object::Ptr &object, const std::string& key, T& value)
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{
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std::vector<std::string> propertyNames;
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object->getNames(propertyNames);
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// Check each property name against given key
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// and accept with a mis-spell tolerance of 2
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// TODO: propertyNames can be pruned after getting its value
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for (const auto& userInput: propertyNames)
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{
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std::string string1(key), string2(userInput);
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std::transform(key.begin(), key.end(), string1.begin(), tolower);
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std::transform(userInput.begin(), userInput.end(), string2.begin(), tolower);
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int levDist = getLevenshteinDist(string1, string2);
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if (levDist > 2) /* Mis-spelling tolerance */
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continue;
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else if (levDist > 0 || key != userInput)
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{
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LOG_WRN("Incorrect JSON property [" << userInput << "]. Did you mean " << key << " ?");
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return;
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}
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value = getJSONValue<T>(object, userInput);
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return;
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}
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LOG_WRN("Missing JSON property [" << key << "]");
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}
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// Parse the json string and fill the Poco::JSON object
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// Returns true if parsing successful otherwise false
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bool parseJSON(const std::string& json, Poco::JSON::Object::Ptr& object)
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{
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bool success = false;
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const auto index = json.find_first_of('{');
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if (index != std::string::npos)
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{
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const std::string stringJSON = json.substr(index);
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Poco::JSON::Parser parser;
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const auto result = parser.parse(stringJSON);
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object = result.extract<Poco::JSON::Object::Ptr>();
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success = true;
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}
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return success;
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}
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void addStorageDebugCookie(Poco::Net::HTTPRequest& request)
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{
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(void) request;
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#if ENABLE_DEBUG
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if (std::getenv("LOOL_STORAGE_COOKIE"))
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{
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Poco::Net::NameValueCollection nvcCookies;
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std::vector<std::string> cookieTokens = LOOLProtocol::tokenize(std::string(std::getenv("LOOL_STORAGE_COOKIE")), ':');
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if (cookieTokens.size() == 2)
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{
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nvcCookies.add(cookieTokens[0], cookieTokens[1]);
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request.setCookies(nvcCookies);
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LOG_TRC("Added storage debug cookie [" << cookieTokens[0] << "=" << cookieTokens[1] << "].");
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}
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}
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#endif
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}
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Poco::Timestamp iso8601ToTimestamp(const std::string& iso8601Time)
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{
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Poco::Timestamp timestamp = Poco::Timestamp::fromEpochTime(0);
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try
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{
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int timeZoneDifferential;
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Poco::DateTime dateTime;
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Poco::DateTimeParser::parse(Poco::DateTimeFormat::ISO8601_FRAC_FORMAT, iso8601Time, dateTime, timeZoneDifferential);
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timestamp = dateTime.timestamp();
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}
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catch (const Poco::SyntaxException& exc)
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{
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LOG_WRN("Time [" << iso8601Time << "] is in invalid format: " << exc.displayText() <<
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(exc.nested() ? " (" + exc.nested()->displayText() + ")" : ""));
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}
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return timestamp;
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}
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} // anonymous namespace
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std::unique_ptr<WopiStorage::WOPIFileInfo> WopiStorage::getWOPIFileInfo(const Authorization& auth)
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{
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// update the access_token to the one matching to the session
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Poco::URI uriObject(_uri);
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auth.authorizeURI(uriObject);
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LOG_DBG("Getting info for wopi uri [" << uriObject.toString() << "].");
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std::string resMsg;
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const auto startTime = std::chrono::steady_clock::now();
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|
std::chrono::duration<double> callDuration(0);
|
|
try
|
|
{
|
|
std::unique_ptr<Poco::Net::HTTPClientSession> psession(getHTTPClientSession(uriObject));
|
|
|
|
Poco::Net::HTTPRequest request(Poco::Net::HTTPRequest::HTTP_GET, uriObject.getPathAndQuery(), Poco::Net::HTTPMessage::HTTP_1_1);
|
|
request.set("User-Agent", WOPI_AGENT_STRING);
|
|
auth.authorizeRequest(request);
|
|
addStorageDebugCookie(request);
|
|
psession->sendRequest(request);
|
|
|
|
Poco::Net::HTTPResponse response;
|
|
std::istream& rs = psession->receiveResponse(response);
|
|
callDuration = (std::chrono::steady_clock::now() - startTime);
|
|
|
|
auto logger = Log::trace();
|
|
if (logger.enabled())
|
|
{
|
|
logger << "WOPI::CheckFileInfo header for URI [" << uriObject.toString() << "]:\n";
|
|
for (const auto& pair : response)
|
|
{
|
|
logger << '\t' << pair.first << ": " << pair.second << " / ";
|
|
}
|
|
|
|
LOG_END(logger);
|
|
}
|
|
|
|
if (response.getStatus() != Poco::Net::HTTPResponse::HTTP_OK)
|
|
{
|
|
LOG_ERR("WOPI::CheckFileInfo failed with " << response.getStatus() << ' ' << response.getReason());
|
|
throw StorageConnectionException("WOPI::CheckFileInfo failed");
|
|
}
|
|
|
|
Poco::StreamCopier::copyToString(rs, resMsg);
|
|
}
|
|
catch(const Poco::Exception& pexc)
|
|
{
|
|
LOG_ERR("Cannot get file info from WOPI storage uri [" << uriObject.toString() << "]. Error: " << pexc.displayText() <<
|
|
(pexc.nested() ? " (" + pexc.nested()->displayText() + ")" : ""));
|
|
throw;
|
|
}
|
|
|
|
// Parse the response.
|
|
std::string filename;
|
|
size_t size = 0;
|
|
std::string ownerId;
|
|
std::string userId;
|
|
std::string userName;
|
|
std::string userExtraInfo;
|
|
std::string watermarkText;
|
|
bool canWrite = false;
|
|
bool enableOwnerTermination = false;
|
|
std::string postMessageOrigin;
|
|
bool hidePrintOption = false;
|
|
bool hideSaveOption = false;
|
|
bool hideExportOption = false;
|
|
bool disablePrint = false;
|
|
bool disableExport = false;
|
|
bool disableCopy = false;
|
|
bool disableInactiveMessages = false;
|
|
std::string lastModifiedTime;
|
|
bool userCanNotWriteRelative = true;
|
|
|
|
LOG_DBG("WOPI::CheckFileInfo returned: " << resMsg << ". Call duration: " << callDuration.count() << "s");
|
|
Poco::JSON::Object::Ptr object;
|
|
if (parseJSON(resMsg, object))
|
|
{
|
|
getWOPIValue(object, "BaseFileName", filename);
|
|
getWOPIValue(object, "Size", size);
|
|
getWOPIValue(object, "OwnerId", ownerId);
|
|
getWOPIValue(object, "UserId", userId);
|
|
getWOPIValue(object, "UserFriendlyName", userName);
|
|
getWOPIValue(object, "UserExtraInfo", userExtraInfo);
|
|
getWOPIValue(object, "WatermarkText", watermarkText);
|
|
getWOPIValue(object, "UserCanWrite", canWrite);
|
|
getWOPIValue(object, "PostMessageOrigin", postMessageOrigin);
|
|
getWOPIValue(object, "HidePrintOption", hidePrintOption);
|
|
getWOPIValue(object, "HideSaveOption", hideSaveOption);
|
|
getWOPIValue(object, "HideExportOption", hideExportOption);
|
|
getWOPIValue(object, "EnableOwnerTermination", enableOwnerTermination);
|
|
getWOPIValue(object, "DisablePrint", disablePrint);
|
|
getWOPIValue(object, "DisableExport", disableExport);
|
|
getWOPIValue(object, "DisableCopy", disableCopy);
|
|
getWOPIValue(object, "DisableInactiveMessages", disableInactiveMessages);
|
|
getWOPIValue(object, "LastModifiedTime", lastModifiedTime);
|
|
getWOPIValue(object, "UserCanNotWriteRelative", userCanNotWriteRelative);
|
|
}
|
|
else
|
|
{
|
|
LOG_ERR("WOPI::CheckFileInfo failed and no JSON payload returned. Access denied.");
|
|
throw UnauthorizedRequestException("Access denied. WOPI::CheckFileInfo failed on: " + uriObject.toString());
|
|
}
|
|
|
|
const Poco::Timestamp modifiedTime = iso8601ToTimestamp(lastModifiedTime);
|
|
_fileInfo = FileInfo({filename, ownerId, modifiedTime, size});
|
|
|
|
return std::unique_ptr<WopiStorage::WOPIFileInfo>(new WOPIFileInfo({userId, userName, userExtraInfo, watermarkText, canWrite, postMessageOrigin, hidePrintOption, hideSaveOption, hideExportOption, enableOwnerTermination, disablePrint, disableExport, disableCopy, disableInactiveMessages, userCanNotWriteRelative, callDuration}));
|
|
}
|
|
|
|
/// uri format: http://server/<...>/wopi*/files/<id>/content
|
|
std::string WopiStorage::loadStorageFileToLocal(const Authorization& auth)
|
|
{
|
|
// WOPI URI to download files ends in '/contents'.
|
|
// Add it here to get the payload instead of file info.
|
|
Poco::URI uriObject(_uri);
|
|
uriObject.setPath(uriObject.getPath() + "/contents");
|
|
auth.authorizeURI(uriObject);
|
|
|
|
LOG_DBG("Wopi requesting: " << uriObject.toString());
|
|
|
|
const auto startTime = std::chrono::steady_clock::now();
|
|
try
|
|
{
|
|
std::unique_ptr<Poco::Net::HTTPClientSession> psession(getHTTPClientSession(uriObject));
|
|
|
|
Poco::Net::HTTPRequest request(Poco::Net::HTTPRequest::HTTP_GET, uriObject.getPathAndQuery(), Poco::Net::HTTPMessage::HTTP_1_1);
|
|
request.set("User-Agent", WOPI_AGENT_STRING);
|
|
auth.authorizeRequest(request);
|
|
addStorageDebugCookie(request);
|
|
psession->sendRequest(request);
|
|
|
|
Poco::Net::HTTPResponse response;
|
|
std::istream& rs = psession->receiveResponse(response);
|
|
const std::chrono::duration<double> diff = (std::chrono::steady_clock::now() - startTime);
|
|
_wopiLoadDuration += diff;
|
|
|
|
auto logger = Log::trace();
|
|
if (logger.enabled())
|
|
{
|
|
logger << "WOPI::GetFile header for URI [" << uriObject.toString() << "]:\n";
|
|
for (const auto& pair : response)
|
|
{
|
|
logger << '\t' << pair.first << ": " << pair.second << " / ";
|
|
}
|
|
|
|
LOG_END(logger);
|
|
}
|
|
|
|
if (response.getStatus() != Poco::Net::HTTPResponse::HTTP_OK)
|
|
{
|
|
LOG_ERR("WOPI::GetFile failed with " << response.getStatus() << ' ' << response.getReason());
|
|
throw StorageConnectionException("WOPI::GetFile failed");
|
|
}
|
|
else // Successful
|
|
{
|
|
_jailedFilePath = Poco::Path(getLocalRootPath(), _fileInfo._filename).toString();
|
|
std::ofstream ofs(_jailedFilePath);
|
|
std::copy(std::istreambuf_iterator<char>(rs),
|
|
std::istreambuf_iterator<char>(),
|
|
std::ostreambuf_iterator<char>(ofs));
|
|
LOG_INF("WOPI::GetFile downloaded " << getFileSize(_jailedFilePath) << " bytes from [" << uriObject.toString() <<
|
|
"] -> " << _jailedFilePath << " in " << diff.count() << "s");
|
|
|
|
_isLoaded = true;
|
|
// Now return the jailed path.
|
|
return Poco::Path(_jailPath, _fileInfo._filename).toString();
|
|
}
|
|
}
|
|
catch(const Poco::Exception& pexc)
|
|
{
|
|
LOG_ERR("Cannot load document from WOPI storage uri [" + uriObject.toString() + "]. Error: " << pexc.displayText() <<
|
|
(pexc.nested() ? " (" + pexc.nested()->displayText() + ")" : ""));
|
|
throw;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
StorageBase::SaveResult WopiStorage::saveLocalFileToStorage(const Authorization& auth, const std::string& saveAsPath, const std::string& saveAsFilename)
|
|
{
|
|
// TODO: Check if this URI has write permission (canWrite = true)
|
|
|
|
const bool isSaveAs = !saveAsPath.empty() && !saveAsFilename.empty();
|
|
const std::string filePath(isSaveAs? saveAsPath: _jailedFilePath);
|
|
|
|
const auto size = getFileSize(filePath);
|
|
|
|
Poco::URI uriObject(_uri);
|
|
uriObject.setPath(isSaveAs? uriObject.getPath(): uriObject.getPath() + "/contents");
|
|
auth.authorizeURI(uriObject);
|
|
|
|
LOG_INF("Uploading URI via WOPI [" << uriObject.toString() << "] from [" << filePath + "].");
|
|
|
|
std::ostringstream oss;
|
|
StorageBase::SaveResult saveResult(StorageBase::SaveResult::FAILED);
|
|
try
|
|
{
|
|
std::unique_ptr<Poco::Net::HTTPClientSession> psession(getHTTPClientSession(uriObject));
|
|
|
|
Poco::Net::HTTPRequest request(Poco::Net::HTTPRequest::HTTP_POST, uriObject.getPathAndQuery(), Poco::Net::HTTPMessage::HTTP_1_1);
|
|
request.set("User-Agent", WOPI_AGENT_STRING);
|
|
auth.authorizeRequest(request);
|
|
|
|
if (!isSaveAs)
|
|
{
|
|
// normal save
|
|
request.set("X-WOPI-Override", "PUT");
|
|
request.set("X-LOOL-WOPI-IsModifiedByUser", _isUserModified? "true": "false");
|
|
request.set("X-LOOL-WOPI-IsAutosave", _isAutosave? "true": "false");
|
|
|
|
if (!_forceSave)
|
|
{
|
|
// Request WOPI host to not overwrite if timestamps mismatch
|
|
request.set("X-LOOL-WOPI-Timestamp",
|
|
Poco::DateTimeFormatter::format(Poco::DateTime(_fileInfo._modifiedTime),
|
|
Poco::DateTimeFormat::ISO8601_FRAC_FORMAT));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// save as
|
|
request.set("X-WOPI-Override", "PUT_RELATIVE");
|
|
|
|
// the suggested target has to be in UTF-7; default to extension
|
|
// only when the conversion fails
|
|
std::string suggestedTarget = "." + Poco::Path(saveAsFilename).getExtension();
|
|
|
|
iconv_t cd = iconv_open("UTF-7", "UTF-8");
|
|
if (cd == (iconv_t) -1)
|
|
LOG_ERR("Failed to initialize iconv for UTF-7 conversion, using '" << suggestedTarget << "'.");
|
|
else
|
|
{
|
|
std::vector<char> input(saveAsFilename.begin(), saveAsFilename.end());
|
|
std::vector<char> buffer(8 * saveAsFilename.size());
|
|
|
|
char* in = &input[0];
|
|
size_t in_left = input.size();
|
|
char* out = &buffer[0];
|
|
size_t out_left = buffer.size();
|
|
|
|
if (iconv(cd, &in, &in_left, &out, &out_left) == (size_t) -1)
|
|
LOG_ERR("Failed to convert '" << saveAsFilename << "' to UTF-7, using '" << suggestedTarget << "'.");
|
|
else
|
|
{
|
|
// conversion succeeded
|
|
suggestedTarget = std::string(&buffer[0], buffer.size() - out_left);
|
|
LOG_TRC("Converted '" << saveAsFilename << "' to UTF-7 as '" << suggestedTarget << "'.");
|
|
}
|
|
}
|
|
|
|
request.set("X-WOPI-SuggestedTarget", suggestedTarget);
|
|
|
|
request.set("X-WOPI-Size", std::to_string(size));
|
|
}
|
|
|
|
request.setContentType("application/octet-stream");
|
|
request.setContentLength(size);
|
|
addStorageDebugCookie(request);
|
|
std::ostream& os = psession->sendRequest(request);
|
|
|
|
std::ifstream ifs(filePath);
|
|
Poco::StreamCopier::copyStream(ifs, os);
|
|
|
|
Poco::Net::HTTPResponse response;
|
|
std::istream& rs = psession->receiveResponse(response);
|
|
Poco::StreamCopier::copyStream(rs, oss);
|
|
|
|
std::string wopiLog(isSaveAs? "WOPI::PutRelativeFile": "WOPI::PutFile");
|
|
LOG_INF(wopiLog << " response: " << oss.str());
|
|
LOG_INF(wopiLog << " uploaded " << size << " bytes from [" << filePath <<
|
|
"] -> [" << uriObject.toString() << "]: " <<
|
|
response.getStatus() << " " << response.getReason());
|
|
|
|
if (response.getStatus() == Poco::Net::HTTPResponse::HTTP_OK)
|
|
{
|
|
saveResult.setResult(StorageBase::SaveResult::OK);
|
|
Poco::JSON::Object::Ptr object;
|
|
if (parseJSON(oss.str(), object))
|
|
{
|
|
const std::string lastModifiedTime = getJSONValue<std::string>(object, "LastModifiedTime");
|
|
LOG_TRC(wopiLog << " returns LastModifiedTime [" << lastModifiedTime << "].");
|
|
_fileInfo._modifiedTime = iso8601ToTimestamp(lastModifiedTime);
|
|
|
|
if (isSaveAs)
|
|
{
|
|
const std::string name = getJSONValue<std::string>(object, "Name");
|
|
LOG_TRC(wopiLog << " returns Name [" << name << "].");
|
|
|
|
const std::string url = getJSONValue<std::string>(object, "Url");
|
|
LOG_TRC(wopiLog << " returns Url [" << url << "].");
|
|
|
|
saveResult.setSaveAsResult(name, url);
|
|
}
|
|
|
|
// Reset the force save flag now, if any, since we are done saving
|
|
// Next saves shouldn't be saved forcefully unless commanded
|
|
_forceSave = false;
|
|
}
|
|
else
|
|
{
|
|
LOG_WRN("Invalid or missing JSON in " << wopiLog << " HTTP_OK response");
|
|
}
|
|
}
|
|
else if (response.getStatus() == Poco::Net::HTTPResponse::HTTP_REQUESTENTITYTOOLARGE)
|
|
{
|
|
saveResult.setResult(StorageBase::SaveResult::DISKFULL);
|
|
}
|
|
else if (response.getStatus() == Poco::Net::HTTPResponse::HTTP_UNAUTHORIZED)
|
|
{
|
|
saveResult.setResult(StorageBase::SaveResult::UNAUTHORIZED);
|
|
}
|
|
else if (response.getStatus() == Poco::Net::HTTPResponse::HTTP_CONFLICT)
|
|
{
|
|
saveResult.setResult(StorageBase::SaveResult::CONFLICT);
|
|
Poco::JSON::Object::Ptr object;
|
|
if (parseJSON(oss.str(), object))
|
|
{
|
|
const unsigned loolStatusCode = getJSONValue<unsigned>(object, "LOOLStatusCode");
|
|
if (loolStatusCode == static_cast<unsigned>(LOOLStatusCode::DOC_CHANGED))
|
|
{
|
|
saveResult.setResult(StorageBase::SaveResult::DOC_CHANGED);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG_WRN("Invalid or missing JSON in " << wopiLog << " HTTP_CONFLICT response");
|
|
}
|
|
}
|
|
}
|
|
catch(const Poco::Exception& pexc)
|
|
{
|
|
LOG_ERR("Cannot save file to WOPI storage uri [" + uriObject.toString() + "]. Error: " << pexc.displayText() <<
|
|
(pexc.nested() ? " (" + pexc.nested()->displayText() + ")" : ""));
|
|
saveResult.setResult(StorageBase::SaveResult::FAILED);
|
|
}
|
|
|
|
return saveResult;
|
|
}
|
|
|
|
std::string WebDAVStorage::loadStorageFileToLocal(const Authorization& /*auth*/)
|
|
{
|
|
// TODO: implement webdav GET.
|
|
_isLoaded = true;
|
|
return _uri.toString();
|
|
}
|
|
|
|
StorageBase::SaveResult WebDAVStorage::saveLocalFileToStorage(const Authorization& /*auth*/, const std::string& /*saveAsPath*/, const std::string& /*saveAsFilename*/)
|
|
{
|
|
// TODO: implement webdav PUT.
|
|
return StorageBase::SaveResult(StorageBase::SaveResult::OK);
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|