1292 lines
50 KiB
C++
1292 lines
50 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 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 <config_version.h>
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#include <iomanip>
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#include <string>
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#include <vector>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <zlib.h>
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#include <security/pam_appl.h>
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#include <openssl/evp.h>
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#include <Poco/DateTime.h>
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#include <Poco/DateTimeFormat.h>
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#include <Poco/DateTimeFormatter.h>
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#include <Poco/Exception.h>
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#include <Poco/FileStream.h>
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#include <Poco/Net/HTMLForm.h>
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#include <Poco/Net/HTTPBasicCredentials.h>
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#include <Poco/Net/HTTPCookie.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/NameValueCollection.h>
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#include <Poco/Net/NetException.h>
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#include <Poco/RegularExpression.h>
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#include <Poco/Runnable.h>
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#include <Poco/StreamCopier.h>
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#include <Poco/URI.h>
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#include <Poco/JSON/Object.h>
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#include "Exceptions.hpp"
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#include "Auth.hpp"
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#include <Common.hpp>
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#include <Crypto.hpp>
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#include "FileServer.hpp"
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#include "COOLWSD.hpp"
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#include "ServerURL.hpp"
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#include <Log.hpp>
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#include <Protocol.hpp>
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#include <Util.hpp>
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#include <common/ConfigUtil.hpp>
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#if !MOBILEAPP
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#include <net/HttpHelper.hpp>
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#endif
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using Poco::Net::HTMLForm;
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using Poco::Net::HTTPBasicCredentials;
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using Poco::Net::HTTPRequest;
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using Poco::Net::HTTPResponse;
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using Poco::Net::NameValueCollection;
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using Poco::Util::Application;
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std::map<std::string, std::pair<std::string, std::string>> FileServerRequestHandler::FileHash;
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namespace {
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int functionConversation(int /*num_msg*/, const struct pam_message** /*msg*/,
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struct pam_response **reply, void *appdata_ptr)
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{
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*reply = (struct pam_response *)malloc(sizeof(struct pam_response));
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(*reply)[0].resp = strdup(static_cast<char *>(appdata_ptr));
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(*reply)[0].resp_retcode = 0;
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return PAM_SUCCESS;
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}
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/// Use PAM to check for user / password.
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bool isPamAuthOk(const std::string& userProvidedUsr, const std::string& userProvidedPwd)
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{
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struct pam_conv localConversation { functionConversation, nullptr };
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pam_handle_t *localAuthHandle = NULL;
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int retval;
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localConversation.appdata_ptr = const_cast<char *>(userProvidedPwd.c_str());
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retval = pam_start("coolwsd", userProvidedUsr.c_str(), &localConversation, &localAuthHandle);
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if (retval != PAM_SUCCESS)
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{
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LOG_ERR("pam_start returned " << retval);
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return false;
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}
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retval = pam_authenticate(localAuthHandle, 0);
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if (retval != PAM_SUCCESS)
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{
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if (retval == PAM_AUTH_ERR)
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{
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LOG_ERR("PAM authentication failure for user \"" << userProvidedUsr << "\".");
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}
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else
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{
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LOG_ERR("pam_authenticate returned " << retval);
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}
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return false;
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}
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LOG_INF("PAM authentication success for user \"" << userProvidedUsr << "\".");
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retval = pam_end(localAuthHandle, retval);
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if (retval != PAM_SUCCESS)
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{
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LOG_ERR("pam_end returned " << retval);
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}
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return true;
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}
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/// Check for user / password set in coolwsd.xml.
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bool isConfigAuthOk(const std::string& userProvidedUsr, const std::string& userProvidedPwd)
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{
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const auto& config = Application::instance().config();
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const std::string& user = config.getString("admin_console.username", "");
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// Check for the username
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if (user.empty())
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{
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LOG_ERR("Admin Console username missing, admin console disabled.");
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return false;
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}
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else if (user != userProvidedUsr)
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{
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LOG_ERR("Admin Console wrong username.");
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return false;
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}
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const char useCoolconfig[] = " Use coolconfig to configure the admin password.";
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// do we have secure_password?
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if (config.has("admin_console.secure_password"))
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{
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const std::string securePass = config.getString("admin_console.secure_password", "");
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if (securePass.empty())
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{
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LOG_ERR("Admin Console secure password is empty, denying access." << useCoolconfig);
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return false;
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}
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#if HAVE_PKCS5_PBKDF2_HMAC
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// Extract the salt from the config
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std::vector<unsigned char> saltData;
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StringVector tokens = StringVector::tokenize(securePass, '.');
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if (tokens.size() != 5 ||
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!tokens.equals(0, "pbkdf2") ||
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!tokens.equals(1, "sha512") ||
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!Util::dataFromHexString(tokens[3], saltData))
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{
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LOG_ERR("Incorrect format detected for secure_password in config file." << useCoolconfig);
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return false;
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}
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unsigned char userProvidedPwdHash[tokens[4].size() / 2];
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PKCS5_PBKDF2_HMAC(userProvidedPwd.c_str(), -1,
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saltData.data(), saltData.size(),
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std::stoi(tokens[2]),
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EVP_sha512(),
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sizeof userProvidedPwdHash, userProvidedPwdHash);
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std::stringstream stream;
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for (unsigned long j = 0; j < sizeof userProvidedPwdHash; ++j)
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stream << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(userProvidedPwdHash[j]);
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// now compare the hashed user-provided pwd against the stored hash
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return tokens.equals(4, stream.str());
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#else
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const std::string pass = config.getString("admin_console.password", "");
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LOG_ERR("The config file has admin_console.secure_password setting, "
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<< "but this application was compiled with old OpenSSL version, "
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<< "and this setting cannot be used." << (!pass.empty()? " Falling back to plain text password.": ""));
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// careful, a fall-through!
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#endif
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}
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const std::string pass = config.getString("admin_console.password", "");
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if (pass.empty())
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{
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LOG_ERR("Admin Console password is empty, denying access." << useCoolconfig);
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return false;
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}
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return pass == userProvidedPwd;
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}
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}
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bool FileServerRequestHandler::isAdminLoggedIn(const HTTPRequest& request,
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HTTPResponse &response)
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{
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assert(COOLWSD::AdminEnabled);
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const auto& config = Application::instance().config();
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NameValueCollection cookies;
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request.getCookies(cookies);
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try
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{
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const std::string jwtToken = cookies.get("jwt");
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LOG_INF("Verifying JWT token: " << jwtToken);
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JWTAuth authAgent("admin", "admin", "admin");
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if (authAgent.verify(jwtToken))
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{
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LOG_TRC("JWT token is valid");
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return true;
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}
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LOG_INF("Invalid JWT token, let the administrator re-login");
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}
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catch (const Poco::Exception& exc)
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{
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LOG_INF("No existing JWT cookie found");
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}
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// If no cookie found, or is invalid, let the admin re-login
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HTTPBasicCredentials credentials(request);
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const std::string& userProvidedUsr = credentials.getUsername();
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const std::string& userProvidedPwd = credentials.getPassword();
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// Deny attempts to login without providing a username / pwd and fail right away
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// We don't even want to allow a password-less PAM module to be used here,
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// or anything.
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if (userProvidedUsr.empty() || userProvidedPwd.empty())
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{
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LOG_ERR("An attempt to log into Admin Console without username or password.");
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return false;
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}
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// Check if the user is allowed to use the admin console
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if (config.getBool("admin_console.enable_pam", "false"))
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{
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// use PAM - it needs the username too
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if (!isPamAuthOk(userProvidedUsr, userProvidedPwd))
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return false;
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}
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else
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{
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// use the hash or password in the config file
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if (!isConfigAuthOk(userProvidedUsr, userProvidedPwd))
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return false;
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}
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// authentication passed, generate and set the cookie
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JWTAuth authAgent("admin", "admin", "admin");
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const std::string jwtToken = authAgent.getAccessToken();
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Poco::Net::HTTPCookie cookie("jwt", jwtToken);
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// bundlify appears to add an extra /dist -> dist/dist/admin
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cookie.setPath(COOLWSD::ServiceRoot + "/browser/dist/");
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cookie.setSecure(COOLWSD::isSSLEnabled() ||
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COOLWSD::isSSLTermination());
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response.addCookie(cookie);
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return true;
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}
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#if ENABLE_DEBUG
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// Represents basic file's attributes.
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// Used for localFile
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class LocalFileInfo
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{
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public:
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// Everytime we get new request of CheckFileInfo
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// we create a LocalFileInfo object of the new file and add
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// it to static vector so that we can use/update the file info
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// when we get GetFile and PutFile request
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static std::vector<LocalFileInfo> fileInfoVec;
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// Attributes of file
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std::string fileName;
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std::string localPath;
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std::string size;
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// Last modified time of the file
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std::chrono::system_clock::time_point fileLastModifiedTime;
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enum class COOLStatusCode
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{
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DocChanged = 1010 // Document changed externally in storage
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};
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LocalFileInfo(){};
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LocalFileInfo(std::string lpath, std::string fName)
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{
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fileName = fName;
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localPath = lpath;
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const FileUtil::Stat stat(localPath);
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size = std::to_string(stat.size());
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fileLastModifiedTime = stat.modifiedTimepoint();
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}
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//Returns index if object with attribute localPath found in
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//the vector else returns -1
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static int getIndex(std::string lpath)
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{
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auto it = std::find_if(fileInfoVec.begin(), fileInfoVec.end(), [&lpath](const LocalFileInfo& obj)
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{
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return obj.localPath == lpath;
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});
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if (it != fileInfoVec.end())
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{
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int index = std::distance(fileInfoVec.begin(), it);
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return index;
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}
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else
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{
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return -1;
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}
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}
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};
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std::atomic<unsigned> lastLocalId;
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std::vector<LocalFileInfo> LocalFileInfo::fileInfoVec;
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//handles request starts with /wopi/files
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void handleWopiRequest(const HTTPRequest& request,
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const RequestDetails &requestDetails,
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Poco::MemoryInputStream& message,
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const std::shared_ptr<StreamSocket>& socket)
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{
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Poco::URI requestUri(request.getURI());
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const Poco::Path path = requestUri.getPath();
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const std::string prefix = "/wopi/files";
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const std::string suffix = "/contents";
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std::string localPath;
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if (Util::endsWith(path.toString(), suffix))
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{
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localPath = path.toString().substr(prefix.length(), path.toString().length() - prefix.length() - suffix.length());
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}
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else
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{
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localPath = path.toString().substr(prefix.length());
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}
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if (!Poco::File(localPath).exists())
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{
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LOG_ERR("Local file URI [" << localPath << "] invalid or doesn't exist.");
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throw BadRequestException("Invalid URI: " + localPath);
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}
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if (request.getMethod() == "GET" && !Util::endsWith(path.toString(), suffix))
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{
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LocalFileInfo localFile;
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if (!LocalFileInfo::fileInfoVec.empty())
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{
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int index = LocalFileInfo::getIndex(localPath);
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if (index == -1)
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{
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LocalFileInfo fileInfo(localPath, path.getFileName());
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LocalFileInfo::fileInfoVec.emplace_back(fileInfo);
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localFile = fileInfo;
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}
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else
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{
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localFile = LocalFileInfo::fileInfoVec[index];
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}
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}
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else
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{
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LocalFileInfo fileInfo(localPath, path.getFileName());
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LocalFileInfo::fileInfoVec.emplace_back(fileInfo);
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localFile = fileInfo;
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}
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std::string userId = std::to_string(lastLocalId++);
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std::string userNameString = "LocalUser#" + userId;
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Poco::JSON::Object::Ptr fileInfo = new Poco::JSON::Object();
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std::string postMessageOrigin;
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config::isSslEnabled() ? postMessageOrigin = "https://" : postMessageOrigin = "http://";
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postMessageOrigin += requestDetails.getHostUntrusted();
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fileInfo->set("BaseFileName", localFile.fileName);
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fileInfo->set("Size", localFile.size);
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fileInfo->set("Version", "1.0");
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fileInfo->set("OwnerId", "test");
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fileInfo->set("UserId", userId);
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fileInfo->set("UserFriendlyName", userNameString);
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fileInfo->set("UserCanWrite", "true");
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fileInfo->set("PostMessageOrigin", postMessageOrigin);
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fileInfo->set("LastModifiedTime", Util::getIso8601FracformatTime(localFile.fileLastModifiedTime));
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fileInfo->set("EnableOwnerTermination", "true");
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std::ostringstream jsonStream;
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fileInfo->stringify(jsonStream);
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std::string responseString = jsonStream.str();
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const std::string mimeType = "application/json; charset=utf-8";
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std::ostringstream oss;
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oss << "HTTP/1.1 200 OK\r\n"
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"Last-Modified: " << Util::getHttpTime(localFile.fileLastModifiedTime) << "\r\n"
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"User-Agent: " WOPI_AGENT_STRING "\r\n"
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"Content-Length: " << responseString.size() << "\r\n"
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"Content-Type: " << mimeType << "\r\n"
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"\r\n"
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<< responseString;
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socket->send(oss.str());
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return;
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}
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else if(request.getMethod() == "GET" && Util::endsWith(path.toString(), suffix))
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{
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LocalFileInfo localFile = LocalFileInfo::fileInfoVec[LocalFileInfo::getIndex(localPath)];
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auto ss = std::ostringstream{};
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std::ifstream inputFile(localFile.localPath);
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ss << inputFile.rdbuf();
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const std::string content = ss.str();
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const std::string mimeType = "text/plain; charset=utf-8";
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std::ostringstream oss;
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oss << "HTTP/1.1 200 OK\r\n"
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"Last-Modified: " << Util::getHttpTime(localFile.fileLastModifiedTime) << "\r\n"
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"User-Agent: " WOPI_AGENT_STRING "\r\n"
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"Content-Length: " << localFile.size << "\r\n"
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"Content-Type: " << mimeType << "\r\n"
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"\r\n"
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<< content;
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socket->send(oss.str());
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return;
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}
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else if (request.getMethod() == "POST" && Util::endsWith(path.toString(), suffix))
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{
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int i = LocalFileInfo::getIndex(localPath);
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std::string wopiTimestamp = request.get("X-COOL-WOPI-Timestamp", std::string());
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if (wopiTimestamp.empty())
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{
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wopiTimestamp = request.get("X-LOOL-WOPI-Timestamp", std::string());
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}
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if (!wopiTimestamp.empty())
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{
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const std::string fileModifiedTime = Util::getIso8601FracformatTime(LocalFileInfo::fileInfoVec[i].fileLastModifiedTime);
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if (wopiTimestamp != fileModifiedTime)
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{
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http::Response httpResponse(http::StatusLine(409));
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httpResponse.setBody(
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"{\"COOLStatusCode\":" +
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std::to_string(static_cast<int>(LocalFileInfo::COOLStatusCode::DocChanged)) + ',' +
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"{\"LOOLStatusCode\":" +
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std::to_string(static_cast<int>(LocalFileInfo::COOLStatusCode::DocChanged)) + '}');
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socket->send(httpResponse);
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return;
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}
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}
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std::streamsize size = request.getContentLength();
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std::vector<char> buffer(size);
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message.read(buffer.data(), size);
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LocalFileInfo::fileInfoVec[i].fileLastModifiedTime = std::chrono::system_clock::now();
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std::ofstream outfile;
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outfile.open(LocalFileInfo::fileInfoVec[i].localPath, std::ofstream::binary);
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outfile.write(buffer.data(), size);
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outfile.close();
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const std::string body = "{\"LastModifiedTime\": \"" +
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Util::getIso8601FracformatTime(LocalFileInfo::fileInfoVec[i].fileLastModifiedTime) +
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"\" }";
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http::Response httpResponse(http::StatusLine(200));
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httpResponse.setBody(body);
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socket->send(httpResponse);
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return;
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}
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}
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#endif
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void FileServerRequestHandler::handleRequest(const HTTPRequest& request,
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const RequestDetails &requestDetails,
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Poco::MemoryInputStream& message,
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const std::shared_ptr<StreamSocket>& socket)
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{
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try
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{
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bool noCache = false;
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#if ENABLE_DEBUG
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noCache = true;
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#endif
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Poco::Net::HTTPResponse response;
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const auto& config = Application::instance().config();
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// HSTS hardening. Disabled in debug builds.
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#if !ENABLE_DEBUG
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if (COOLWSD::isSSLEnabled() || COOLWSD::isSSLTermination())
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{
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if (config.getBool("ssl.sts.enabled", false))
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{
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const auto maxAge = config.getInt("ssl.sts.max_age", 31536000); // Default 1 year.
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response.add("Strict-Transport-Security",
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"max-age=" + std::to_string(maxAge) + "; includeSubDomains");
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}
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}
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#endif
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Poco::URI requestUri(request.getURI());
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LOG_TRC("Fileserver request: " << requestUri.toString());
|
|
requestUri.normalize(); // avoid .'s and ..'s
|
|
|
|
if (requestUri.getPath().find("browser/" COOLWSD_VERSION_HASH "/") == std::string::npos)
|
|
{
|
|
LOG_WRN("Client - server version mismatch, disabling browser cache. "
|
|
"Expected: " COOLWSD_VERSION_HASH "; Actual URI path with version hash: "
|
|
<< requestUri.getPath());
|
|
noCache = true;
|
|
}
|
|
|
|
std::vector<std::string> requestSegments;
|
|
requestUri.getPathSegments(requestSegments);
|
|
if (requestSegments.size() < 1)
|
|
throw Poco::FileNotFoundException("Invalid URI request: [" + requestUri.toString() + "].");
|
|
|
|
const std::string relPath = getRequestPathname(request);
|
|
const std::string endPoint = requestSegments[requestSegments.size() - 1];
|
|
|
|
static std::string etagString = "\"" COOLWSD_VERSION_HASH +
|
|
config.getString("ver_suffix", "") + "\"";
|
|
|
|
#if ENABLE_DEBUG
|
|
if (Util::startsWith(relPath, std::string("/wopi/files"))) {
|
|
handleWopiRequest(request, requestDetails, message, socket);
|
|
return;
|
|
}
|
|
#endif
|
|
if (request.getMethod() == HTTPRequest::HTTP_POST && endPoint == "logging.html")
|
|
{
|
|
const std::string coolLogging = config.getString("browser_logging", "false");
|
|
if (coolLogging != "false")
|
|
{
|
|
LOG_ERR(message.rdbuf());
|
|
|
|
std::ostringstream oss;
|
|
response.write(oss);
|
|
socket->send(oss.str());
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Is this a file we read at startup - if not; it's not for serving.
|
|
if (FileHash.find(relPath) == FileHash.end())
|
|
throw Poco::FileNotFoundException("Invalid URI request: [" + requestUri.toString() + "].");
|
|
|
|
if (endPoint == "welcome.html")
|
|
{
|
|
preprocessWelcomeFile(request, requestDetails, message, socket);
|
|
return;
|
|
}
|
|
|
|
if (endPoint == "cool.html" ||
|
|
endPoint == "help-localizations.json" ||
|
|
endPoint == "localizations.json" ||
|
|
endPoint == "locore-localizations.json" ||
|
|
endPoint == "uno-localizations.json" ||
|
|
endPoint == "uno-localizations-override.json")
|
|
{
|
|
preprocessFile(request, requestDetails, message, socket);
|
|
return;
|
|
}
|
|
|
|
if (request.getMethod() == HTTPRequest::HTTP_GET)
|
|
{
|
|
if (endPoint == "admin.html" ||
|
|
endPoint == "adminSettings.html" ||
|
|
endPoint == "adminHistory.html" ||
|
|
endPoint == "adminAnalytics.html" ||
|
|
endPoint == "adminLog.html")
|
|
{
|
|
preprocessAdminFile(request, requestDetails, socket);
|
|
return;
|
|
}
|
|
|
|
if (endPoint == "admin-bundle.js" ||
|
|
endPoint == "admin-localizations.js")
|
|
{
|
|
noCache = true;
|
|
|
|
if (!COOLWSD::AdminEnabled)
|
|
throw Poco::FileAccessDeniedException("Admin console disabled");
|
|
|
|
if (!FileServerRequestHandler::isAdminLoggedIn(request, response))
|
|
throw Poco::Net::NotAuthenticatedException("Invalid admin login");
|
|
|
|
// Ask UAs to block if they detect any XSS attempt
|
|
response.add("X-XSS-Protection", "1; mode=block");
|
|
// No referrer-policy
|
|
response.add("Referrer-Policy", "no-referrer");
|
|
}
|
|
|
|
// Do we have an extension.
|
|
const std::size_t extPoint = endPoint.find_last_of('.');
|
|
if (extPoint == std::string::npos)
|
|
throw Poco::FileNotFoundException("Invalid file.");
|
|
|
|
const std::string fileType = endPoint.substr(extPoint + 1);
|
|
std::string mimeType;
|
|
if (fileType == "js")
|
|
mimeType = "application/javascript";
|
|
else if (fileType == "css")
|
|
mimeType = "text/css";
|
|
else if (fileType == "html")
|
|
mimeType = "text/html";
|
|
else if (fileType == "png")
|
|
mimeType = "image/png";
|
|
else if (fileType == "svg")
|
|
mimeType = "image/svg+xml";
|
|
else
|
|
mimeType = "text/plain";
|
|
|
|
auto it = request.find("If-None-Match");
|
|
if (it != request.end())
|
|
{
|
|
// if ETags match avoid re-sending the file.
|
|
if (!noCache && it->second == etagString)
|
|
{
|
|
// TESTME: harder ... - do we even want ETag support ?
|
|
std::ostringstream oss;
|
|
Poco::DateTime now;
|
|
Poco::DateTime later(now.utcTime(), int64_t(1000)*1000 * 60 * 60 * 24 * 128);
|
|
std::string extraHeaders =
|
|
"Expires: " + Poco::DateTimeFormatter::format(
|
|
later, Poco::DateTimeFormat::HTTP_FORMAT) + "\r\n" +
|
|
"Cache-Control: max-age=11059200\r\n";
|
|
HttpHelper::sendErrorAndShutdown(304, socket, std::string(), extraHeaders);
|
|
return;
|
|
}
|
|
}
|
|
|
|
response.set("Server", HTTP_SERVER_STRING);
|
|
response.set("Date", Util::getHttpTimeNow());
|
|
|
|
bool gzip = request.hasToken("Accept-Encoding", "gzip");
|
|
const std::string *content;
|
|
#if ENABLE_DEBUG
|
|
if (std::getenv("COOL_SERVE_FROM_FS"))
|
|
{
|
|
// Useful to not serve from memory sometimes especially during cool development
|
|
// Avoids having to restart cool everytime you make a change in cool
|
|
const std::string filePath = Poco::Path(COOLWSD::FileServerRoot, relPath).absolute().toString();
|
|
HttpHelper::sendFileAndShutdown(socket, filePath, mimeType, &response, noCache);
|
|
return;
|
|
}
|
|
#endif
|
|
if (gzip)
|
|
{
|
|
response.set("Content-Encoding", "gzip");
|
|
content = getCompressedFile(relPath);
|
|
}
|
|
else
|
|
content = getUncompressedFile(relPath);
|
|
|
|
if (!noCache)
|
|
{
|
|
// 60 * 60 * 24 * 128 (days) = 11059200
|
|
response.set("Cache-Control", "max-age=11059200");
|
|
response.set("ETag", etagString);
|
|
}
|
|
response.setContentType(mimeType);
|
|
response.add("X-Content-Type-Options", "nosniff");
|
|
|
|
std::ostringstream oss;
|
|
response.write(oss);
|
|
const std::string header = oss.str();
|
|
LOG_TRC('#' << socket->getFD() << ": Sending " <<
|
|
(!gzip ? "un":"") << "compressed : file [" << relPath << "]: " << header);
|
|
socket->send(header);
|
|
socket->send(*content);
|
|
// shutdown by caller
|
|
}
|
|
}
|
|
catch (const Poco::Net::NotAuthenticatedException& exc)
|
|
{
|
|
LOG_ERR("FileServerRequestHandler::NotAuthenticated: " << exc.displayText());
|
|
sendError(401, request, socket, "", "", "WWW-authenticate: Basic realm=\"online\"\r\n");
|
|
}
|
|
catch (const Poco::FileAccessDeniedException& exc)
|
|
{
|
|
LOG_ERR("FileServerRequestHandler: " << exc.displayText());
|
|
sendError(403, request, socket, "403 - Access denied!",
|
|
"You are unable to access");
|
|
}
|
|
catch (const Poco::FileNotFoundException& exc)
|
|
{
|
|
LOG_ERR("FileServerRequestHandler: " << exc.displayText());
|
|
sendError(404, request, socket, "404 - file not found!",
|
|
"There seems to be a problem locating");
|
|
}
|
|
catch (Poco::SyntaxException& exc)
|
|
{
|
|
LOG_ERR("Incorrect config value: " << exc.displayText());
|
|
sendError(500, request, socket, "500 - Internal Server Error!",
|
|
"Cannot process the request - " + exc.displayText());
|
|
}
|
|
}
|
|
|
|
void FileServerRequestHandler::sendError(int errorCode, const Poco::Net::HTTPRequest& request,
|
|
const std::shared_ptr<StreamSocket>& socket,
|
|
const std::string& shortMessage, const std::string& longMessage,
|
|
const std::string& extraHeader)
|
|
{
|
|
std::string body;
|
|
std::string headers = extraHeader;
|
|
if (!shortMessage.empty())
|
|
{
|
|
Poco::URI requestUri(request.getURI());
|
|
std::string pathSanitized;
|
|
Poco::URI::encode(requestUri.getPath(), "", pathSanitized);
|
|
headers += "Content-Type: text/html charset=UTF-8\r\n";
|
|
body = "<h1>Error: " + shortMessage + "</h1>" +
|
|
"<p>" + longMessage + ' ' + pathSanitized + "</p>" +
|
|
"<p>Please contact your system administrator.</p>";
|
|
}
|
|
HttpHelper::sendError(errorCode, socket, body, headers);
|
|
}
|
|
|
|
void FileServerRequestHandler::readDirToHash(const std::string &basePath, const std::string &path, const std::string &prefix)
|
|
{
|
|
LOG_DBG("Caching files in [" << basePath + path << ']');
|
|
|
|
DIR* workingdir = opendir((basePath + path).c_str());
|
|
if (!workingdir)
|
|
{
|
|
LOG_SYS("Failed to open directory [" << basePath + path << ']');
|
|
return;
|
|
}
|
|
|
|
size_t fileCount = 0;
|
|
std::string filesRead;
|
|
filesRead.reserve(1024);
|
|
|
|
struct dirent *currentFile;
|
|
while ((currentFile = readdir(workingdir)) != nullptr)
|
|
{
|
|
if (currentFile->d_name[0] == '.')
|
|
continue;
|
|
|
|
const std::string relPath = path + '/' + currentFile->d_name;
|
|
struct stat fileStat;
|
|
stat ((basePath + relPath).c_str(), &fileStat);
|
|
|
|
if (S_ISDIR(fileStat.st_mode))
|
|
readDirToHash(basePath, relPath);
|
|
|
|
else if (S_ISREG(fileStat.st_mode))
|
|
{
|
|
fileCount++;
|
|
filesRead.append(currentFile->d_name);
|
|
filesRead += ' ';
|
|
|
|
std::ifstream file(basePath + relPath, std::ios::binary);
|
|
|
|
z_stream strm;
|
|
strm.zalloc = Z_NULL;
|
|
strm.zfree = Z_NULL;
|
|
strm.opaque = Z_NULL;
|
|
deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY);
|
|
|
|
std::unique_ptr<char[]> buf(new char[fileStat.st_size]);
|
|
std::string compressedFile;
|
|
compressedFile.reserve(fileStat.st_size);
|
|
std::string uncompressedFile;
|
|
uncompressedFile.reserve(fileStat.st_size);
|
|
do
|
|
{
|
|
file.read(&buf[0], fileStat.st_size);
|
|
const long unsigned int size = file.gcount();
|
|
if (size == 0)
|
|
break;
|
|
|
|
const long unsigned int compSize = compressBound(size);
|
|
char *cbuf = (char *)calloc(compSize, sizeof(char));
|
|
|
|
strm.next_in = (unsigned char *)&buf[0];
|
|
strm.avail_in = size;
|
|
strm.avail_out = compSize;
|
|
strm.next_out = (unsigned char *)&cbuf[0];
|
|
|
|
deflate(&strm, Z_FINISH);
|
|
|
|
const long unsigned int haveComp = compSize - strm.avail_out;
|
|
std::string partialcompFile(cbuf, haveComp);
|
|
std::string partialuncompFile(buf.get(), size);
|
|
compressedFile += partialcompFile;
|
|
uncompressedFile += partialuncompFile;
|
|
free(cbuf);
|
|
|
|
} while(true);
|
|
|
|
FileHash.emplace(prefix + relPath, std::make_pair(uncompressedFile, compressedFile));
|
|
deflateEnd(&strm);
|
|
}
|
|
}
|
|
closedir(workingdir);
|
|
|
|
if (fileCount > 0)
|
|
LOG_TRC("Pre-read " << fileCount << " file(s) from directory: " << basePath << path << ": " << filesRead);
|
|
}
|
|
|
|
void FileServerRequestHandler::initialize()
|
|
{
|
|
// cool files
|
|
try {
|
|
readDirToHash(COOLWSD::FileServerRoot, "/browser/dist");
|
|
} catch (...) {
|
|
LOG_ERR("Failed to read from directory " << COOLWSD::FileServerRoot);
|
|
}
|
|
}
|
|
|
|
const std::string *FileServerRequestHandler::getCompressedFile(const std::string &path)
|
|
{
|
|
return &FileHash[path].second;
|
|
}
|
|
|
|
const std::string *FileServerRequestHandler::getUncompressedFile(const std::string &path)
|
|
{
|
|
return &FileHash[path].first;
|
|
}
|
|
|
|
std::string FileServerRequestHandler::getRequestPathname(const HTTPRequest& request)
|
|
{
|
|
Poco::URI requestUri(request.getURI());
|
|
// avoid .'s and ..'s
|
|
requestUri.normalize();
|
|
|
|
std::string path(requestUri.getPath());
|
|
Poco::RegularExpression gitHashRe("/([0-9a-f]+)/");
|
|
std::string gitHash;
|
|
if (gitHashRe.extract(path, gitHash))
|
|
{
|
|
// Convert version back to a real file name.
|
|
Poco::replaceInPlace(path, std::string("/browser" + gitHash), std::string("/browser/dist/"));
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
constexpr char BRANDING[] = "branding";
|
|
#if ENABLE_SUPPORT_KEY
|
|
constexpr char BRANDING_UNSUPPORTED[] = "branding-unsupported";
|
|
#endif
|
|
|
|
namespace
|
|
{
|
|
bool isRtlLanguage(const std::string& language)
|
|
{
|
|
if (language.rfind("ar", 0) == 0 ||
|
|
language.rfind("arc", 0) == 0 ||
|
|
language.rfind("dv", 0) == 0 ||
|
|
language.rfind("fa", 0) == 0 ||
|
|
language.rfind("ha", 0) == 0 ||
|
|
language.rfind("he", 0) == 0 ||
|
|
language.rfind("khw", 0) == 0 ||
|
|
language.rfind("ks", 0) == 0 ||
|
|
language.rfind("ku", 0) == 0 ||
|
|
language.rfind("ps", 0) == 0 ||
|
|
language.rfind("ur", 0) == 0 ||
|
|
language.rfind("yi", 0) == 0)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void FileServerRequestHandler::preprocessFile(const HTTPRequest& request,
|
|
const RequestDetails &requestDetails,
|
|
Poco::MemoryInputStream& message,
|
|
const std::shared_ptr<StreamSocket>& socket)
|
|
{
|
|
ServerURL cnxDetails(requestDetails);
|
|
|
|
const Poco::URI::QueryParameters params = Poco::URI(request.getURI()).getQueryParameters();
|
|
|
|
// Is this a file we read at startup - if not; it's not for serving.
|
|
const std::string relPath = getRequestPathname(request);
|
|
LOG_DBG("Preprocessing file: " << relPath);
|
|
std::string preprocess = *getUncompressedFile(relPath);
|
|
|
|
// We need to pass certain parameters from the cool html GET URI
|
|
// to the embedded document URI. Here we extract those params
|
|
// from the GET URI and set them in the generated html (see cool.html.m4).
|
|
HTMLForm form(request, message);
|
|
const std::string accessToken = form.get("access_token", "");
|
|
const std::string accessTokenTtl = form.get("access_token_ttl", "");
|
|
LOG_TRC("access_token=" << accessToken << ", access_token_ttl=" << accessTokenTtl);
|
|
const std::string accessHeader = form.get("access_header", "");
|
|
LOG_TRC("access_header=" << accessHeader);
|
|
const std::string uiDefaults = form.get("ui_defaults", "");
|
|
LOG_TRC("ui_defaults=" << uiDefaults);
|
|
const std::string cssVars = form.get("css_variables", "");
|
|
LOG_TRC("css_variables=" << cssVars);
|
|
const std::string postMessageOrigin = form.get("postmessage_origin", "");
|
|
LOG_TRC("postmessage_origin" << postMessageOrigin);
|
|
const std::string theme = form.get("theme", "");
|
|
LOG_TRC("theme=" << theme);
|
|
|
|
// Escape bad characters in access token.
|
|
// This is placed directly in javascript in cool.html, we need to make sure
|
|
// that no one can do anything nasty with their clever inputs.
|
|
std::string escapedAccessToken, escapedAccessHeader, escapedPostmessageOrigin;
|
|
Poco::URI::encode(accessToken, "'", escapedAccessToken);
|
|
Poco::URI::encode(accessHeader, "'", escapedAccessHeader);
|
|
Poco::URI::encode(postMessageOrigin, "'", escapedPostmessageOrigin);
|
|
|
|
unsigned long tokenTtl = 0;
|
|
if (!accessToken.empty())
|
|
{
|
|
if (!accessTokenTtl.empty())
|
|
{
|
|
try
|
|
{
|
|
tokenTtl = std::stoul(accessTokenTtl);
|
|
}
|
|
catch (const std::exception& exc)
|
|
{
|
|
LOG_ERR("access_token_ttl must be represented as the number of milliseconds since January 1, 1970 UTC, when the token will expire");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG_INF("WOPI host did not pass optional access_token_ttl");
|
|
}
|
|
}
|
|
|
|
std::string socketProxy = "false";
|
|
if (requestDetails.isProxy())
|
|
socketProxy = "true";
|
|
Poco::replaceInPlace(preprocess, std::string("%SOCKET_PROXY%"), socketProxy);
|
|
|
|
std::string responseRoot = cnxDetails.getResponseRoot();
|
|
std::string userInterfaceMode;
|
|
|
|
Poco::replaceInPlace(preprocess, std::string("%ACCESS_TOKEN%"), escapedAccessToken);
|
|
Poco::replaceInPlace(preprocess, std::string("%ACCESS_TOKEN_TTL%"), std::to_string(tokenTtl));
|
|
Poco::replaceInPlace(preprocess, std::string("%ACCESS_HEADER%"), escapedAccessHeader);
|
|
Poco::replaceInPlace(preprocess, std::string("%HOST%"), cnxDetails.getWebSocketUrl());
|
|
Poco::replaceInPlace(preprocess, std::string("%VERSION%"), std::string(COOLWSD_VERSION_HASH));
|
|
Poco::replaceInPlace(preprocess, std::string("%COOLWSD_VERSION%"), std::string(COOLWSD_VERSION));
|
|
Poco::replaceInPlace(preprocess, std::string("%SERVICE_ROOT%"), responseRoot);
|
|
Poco::replaceInPlace(preprocess, std::string("%UI_DEFAULTS%"), uiDefaultsToJSON(uiDefaults, userInterfaceMode));
|
|
Poco::replaceInPlace(preprocess, std::string("%POSTMESSAGE_ORIGIN%"), escapedPostmessageOrigin);
|
|
|
|
const auto& config = Application::instance().config();
|
|
|
|
std::string protocolDebug = stringifyBoolFromConfig(config, "logging.protocol", false);
|
|
Poco::replaceInPlace(preprocess, std::string("%PROTOCOL_DEBUG%"), protocolDebug);
|
|
|
|
static const std::string hexifyEmbeddedUrls =
|
|
COOLWSD::getConfigValue<bool>("hexify_embedded_urls", false) ? "true" : "false";
|
|
Poco::replaceInPlace(preprocess, std::string("%HEXIFY_URL%"), hexifyEmbeddedUrls);
|
|
|
|
|
|
bool useIntegrationTheme = config.getBool("user_interface.use_integration_theme", true);
|
|
bool hasIntegrationTheme = (theme != "") && FileUtil::Stat(COOLWSD::FileServerRoot + "/browser/dist/" + theme).exists();
|
|
const std::string themePreFix = hasIntegrationTheme && useIntegrationTheme ? theme + "/" : "";
|
|
const std::string linkCSS("<link rel=\"stylesheet\" href=\"%s/browser/" COOLWSD_VERSION_HASH "/" + themePreFix + "%s.css\">");
|
|
const std::string scriptJS("<script src=\"%s/browser/" COOLWSD_VERSION_HASH "/" + themePreFix + "%s.js\"></script>");
|
|
|
|
std::string brandCSS(Poco::format(linkCSS, responseRoot, std::string(BRANDING)));
|
|
std::string brandJS(Poco::format(scriptJS, responseRoot, std::string(BRANDING)));
|
|
|
|
#if ENABLE_SUPPORT_KEY
|
|
const std::string keyString = config.getString("support_key", "");
|
|
SupportKey key(keyString);
|
|
if (!key.verify() || key.validDaysRemaining() <= 0)
|
|
{
|
|
brandCSS = Poco::format(linkCSS, responseRoot, std::string(BRANDING_UNSUPPORTED));
|
|
brandJS = Poco::format(scriptJS, responseRoot, std::string(BRANDING_UNSUPPORTED));
|
|
}
|
|
#endif
|
|
|
|
Poco::replaceInPlace(preprocess, std::string("<!--%BRANDING_CSS%-->"), brandCSS);
|
|
Poco::replaceInPlace(preprocess, std::string("<!--%BRANDING_JS%-->"), brandJS);
|
|
Poco::replaceInPlace(preprocess, std::string("<!--%CSS_VARIABLES%-->"), cssVarsToStyle(cssVars));
|
|
|
|
// Customization related to document signing.
|
|
std::string documentSigningDiv;
|
|
std::string escapedDocumentSigningURL;
|
|
const std::string documentSigningURL = config.getString("per_document.document_signing_url", "");
|
|
if (!documentSigningURL.empty())
|
|
{
|
|
documentSigningDiv = "<div id=\"document-signing-bar\"></div>";
|
|
Poco::URI::encode(documentSigningURL, "'", escapedDocumentSigningURL);
|
|
}
|
|
Poco::replaceInPlace(preprocess, std::string("<!--%DOCUMENT_SIGNING_DIV%-->"), documentSigningDiv);
|
|
Poco::replaceInPlace(preprocess, std::string("%DOCUMENT_SIGNING_URL%"), escapedDocumentSigningURL);
|
|
|
|
const auto coolLogging = stringifyBoolFromConfig(config, "browser_logging", false);
|
|
Poco::replaceInPlace(preprocess, std::string("%BROWSER_LOGGING%"), coolLogging);
|
|
const auto groupDownloadAs = stringifyBoolFromConfig(config, "per_view.group_download_as", false);
|
|
Poco::replaceInPlace(preprocess, std::string("%GROUP_DOWNLOAD_AS%"), groupDownloadAs);
|
|
const unsigned int outOfFocusTimeoutSecs = config.getUInt("per_view.out_of_focus_timeout_secs", 60);
|
|
Poco::replaceInPlace(preprocess, std::string("%OUT_OF_FOCUS_TIMEOUT_SECS%"), std::to_string(outOfFocusTimeoutSecs));
|
|
const unsigned int idleTimeoutSecs = config.getUInt("per_view.idle_timeout_secs", 900);
|
|
Poco::replaceInPlace(preprocess, std::string("%IDLE_TIMEOUT_SECS%"), std::to_string(idleTimeoutSecs));
|
|
|
|
#if ENABLE_WELCOME_MESSAGE
|
|
std::string enableWelcomeMessage = "true";
|
|
std::string autoShowWelcome = "true";
|
|
if (config.getBool("home_mode.enable", false))
|
|
{
|
|
autoShowWelcome = stringifyBoolFromConfig(config, "welcome.enable", false);
|
|
}
|
|
#else // configurable
|
|
std::string enableWelcomeMessage = stringifyBoolFromConfig(config, "welcome.enable", false);
|
|
std::string autoShowWelcome = stringifyBoolFromConfig(config, "welcome.enable", false);
|
|
#endif
|
|
|
|
Poco::replaceInPlace(preprocess, std::string("%ENABLE_WELCOME_MSG%"), enableWelcomeMessage);
|
|
Poco::replaceInPlace(preprocess, std::string("%AUTO_SHOW_WELCOME%"), autoShowWelcome);
|
|
|
|
// the config value of 'notebookbar/tabbed' or 'classic/compact' overrides the UIMode
|
|
// from the WOPI
|
|
std::string userInterfaceModeConfig = config.getString("user_interface.mode", "default");
|
|
if (userInterfaceModeConfig == "compact")
|
|
userInterfaceModeConfig = "classic";
|
|
|
|
if (userInterfaceModeConfig == "tabbed")
|
|
userInterfaceModeConfig = "notebookbar";
|
|
|
|
if (userInterfaceModeConfig == "classic" || userInterfaceModeConfig == "notebookbar" || userInterfaceMode.empty())
|
|
userInterfaceMode = userInterfaceModeConfig;
|
|
|
|
// default to the notebookbar if the value is "default" or whatever
|
|
// nonsensical
|
|
if (userInterfaceMode != "classic" && userInterfaceMode != "notebookbar")
|
|
userInterfaceMode = "notebookbar";
|
|
|
|
Poco::replaceInPlace(preprocess, std::string("%USER_INTERFACE_MODE%"), userInterfaceMode);
|
|
|
|
std::string uiRtlSettings;
|
|
if (isRtlLanguage(requestDetails.getParam("lang")))
|
|
uiRtlSettings = " dir=\"rtl\" ";
|
|
Poco::replaceInPlace(preprocess, std::string("%UI_RTL_SETTINGS%"), uiRtlSettings);
|
|
|
|
const std::string useIntegrationThemeString = useIntegrationTheme && hasIntegrationTheme ? "true" : "false";
|
|
Poco::replaceInPlace(preprocess, std::string("%USE_INTEGRATION_THEME%"), useIntegrationThemeString);
|
|
|
|
std::string enableMacrosExecution = stringifyBoolFromConfig(config, "security.enable_macros_execution", false);
|
|
Poco::replaceInPlace(preprocess, std::string("%ENABLE_MACROS_EXECUTION%"), enableMacrosExecution);
|
|
|
|
if (!config.getBool("feedback.show", true) && config.getBool("home_mode.enable", false))
|
|
{
|
|
Poco::replaceInPlace(preprocess, std::string("%AUTO_SHOW_FEEDBACK%"), (std::string)"false");
|
|
}
|
|
else
|
|
{
|
|
Poco::replaceInPlace(preprocess, std::string("%AUTO_SHOW_FEEDBACK%"), (std::string)"true");
|
|
}
|
|
Poco::replaceInPlace(preprocess, std::string("%FEEDBACK_URL%"), std::string(FEEDBACK_URL));
|
|
Poco::replaceInPlace(preprocess, std::string("%WELCOME_URL%"), std::string(WELCOME_URL));
|
|
|
|
const std::string mimeType = "text/html";
|
|
|
|
// Document signing: if endpoint URL is configured, whitelist that for
|
|
// iframe purposes.
|
|
std::ostringstream cspOss;
|
|
cspOss << "Content-Security-Policy: default-src 'none'; "
|
|
"frame-src 'self' " << WELCOME_URL << " " << FEEDBACK_URL << " blob: " << documentSigningURL << "; "
|
|
"connect-src 'self' " << cnxDetails.getWebSocketUrl() << "; "
|
|
"script-src 'unsafe-inline' 'self'; "
|
|
"style-src 'self' 'unsafe-inline'; "
|
|
"font-src 'self' data:; "
|
|
"object-src 'self' blob:; ";
|
|
|
|
// Frame ancestors: Allow coolwsd host, wopi host and anything configured.
|
|
std::string configFrameAncestor = config.getString("net.frame_ancestors", "");
|
|
std::string frameAncestors = configFrameAncestor;
|
|
Poco::URI uriHost(cnxDetails.getWebSocketUrl());
|
|
if (uriHost.getHost() != configFrameAncestor)
|
|
frameAncestors += ' ' + uriHost.getHost() + ":*";
|
|
|
|
for (const auto& param : params)
|
|
{
|
|
if (param.first == "WOPISrc")
|
|
{
|
|
std::string wopiFrameAncestor;
|
|
Poco::URI::decode(param.second, wopiFrameAncestor);
|
|
Poco::URI uriWopiFrameAncestor(wopiFrameAncestor);
|
|
// Remove parameters from URL
|
|
wopiFrameAncestor = uriWopiFrameAncestor.getHost();
|
|
if (wopiFrameAncestor != uriHost.getHost() && wopiFrameAncestor != configFrameAncestor)
|
|
{
|
|
frameAncestors += ' ' + wopiFrameAncestor + ":*";
|
|
LOG_TRC("Picking frame ancestor from WOPISrc: " << wopiFrameAncestor);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
std::string imgSrc = "img-src 'self' data: https://www.collaboraoffice.com/";
|
|
if (!frameAncestors.empty())
|
|
{
|
|
LOG_TRC("Allowed frame ancestors: " << frameAncestors);
|
|
// X-Frame-Options supports only one ancestor, ignore that
|
|
//(it's deprecated anyway and CSP works in all major browsers)
|
|
// frame anchestors are also allowed for img-src in order to load the views avatars
|
|
cspOss << imgSrc << frameAncestors << "; "
|
|
<< "frame-ancestors " << frameAncestors;
|
|
std::string escapedFrameAncestors;
|
|
Poco::URI::encode(frameAncestors, "'", escapedFrameAncestors);
|
|
Poco::replaceInPlace(preprocess, std::string("%FRAME_ANCESTORS%"), escapedFrameAncestors);
|
|
}
|
|
else
|
|
{
|
|
LOG_TRC("Denied all frame ancestors");
|
|
cspOss << imgSrc << "; ";
|
|
}
|
|
|
|
cspOss << "\r\n";
|
|
|
|
std::ostringstream oss;
|
|
oss << "HTTP/1.1 200 OK\r\n"
|
|
"Date: " << Util::getHttpTimeNow() << "\r\n"
|
|
"Last-Modified: " << Util::getHttpTimeNow() << "\r\n"
|
|
"User-Agent: " << WOPI_AGENT_STRING << "\r\n"
|
|
"Cache-Control:max-age=11059200\r\n"
|
|
"ETag: \"" COOLWSD_VERSION_HASH "\"\r\n"
|
|
"Content-Length: " << preprocess.size() << "\r\n"
|
|
"Content-Type: " << mimeType << "\r\n"
|
|
"X-Content-Type-Options: nosniff\r\n"
|
|
"X-XSS-Protection: 1; mode=block\r\n"
|
|
"Referrer-Policy: no-referrer\r\n";
|
|
|
|
// Append CSP to response headers too
|
|
oss << cspOss.str();
|
|
|
|
// Setup HTTP Public key pinning
|
|
if ((COOLWSD::isSSLEnabled() || COOLWSD::isSSLTermination()) && config.getBool("ssl.hpkp[@enable]", false))
|
|
{
|
|
size_t i = 0;
|
|
std::string pinPath = "ssl.hpkp.pins.pin[" + std::to_string(i) + ']';
|
|
std::ostringstream hpkpOss;
|
|
bool keysPinned = false;
|
|
while (config.has(pinPath))
|
|
{
|
|
const std::string pin = config.getString(pinPath, "");
|
|
if (!pin.empty())
|
|
{
|
|
hpkpOss << "pin-sha256=\"" << pin << "\"; ";
|
|
keysPinned = true;
|
|
}
|
|
pinPath = "ssl.hpkp.pins.pin[" + std::to_string(++i) + ']';
|
|
}
|
|
|
|
if (keysPinned && config.getBool("ssl.hpkp.max_age[@enable]", false))
|
|
{
|
|
int maxAge = 1000; // seconds
|
|
try
|
|
{
|
|
maxAge = config.getInt("ssl.hpkp.max_age", maxAge);
|
|
}
|
|
catch (Poco::SyntaxException& exc)
|
|
{
|
|
LOG_ERR("Invalid value of HPKP's max-age directive found in config file. Defaulting to "
|
|
<< maxAge);
|
|
}
|
|
hpkpOss << "max-age=" << maxAge << "; ";
|
|
}
|
|
|
|
if (keysPinned && config.getBool("ssl.hpkp.report_uri[@enable]", false))
|
|
{
|
|
const std::string reportUri = config.getString("ssl.hpkp.report_uri", "");
|
|
if (!reportUri.empty())
|
|
{
|
|
hpkpOss << "report-uri=" << reportUri << "; ";
|
|
}
|
|
}
|
|
|
|
if (!hpkpOss.str().empty())
|
|
{
|
|
if (config.getBool("ssl.hpkp[@report_only]", false))
|
|
{
|
|
// Only send validation failure reports to reportUri while still allowing UAs to
|
|
// connect to the server
|
|
oss << "Public-Key-Pins-Report-Only: " << hpkpOss.str() << "\r\n";
|
|
}
|
|
else
|
|
{
|
|
oss << "Public-Key-Pins: " << hpkpOss.str() << "\r\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
oss << "\r\n"
|
|
<< preprocess;
|
|
|
|
socket->send(oss.str());
|
|
LOG_TRC("Sent file: " << relPath << ": " << preprocess);
|
|
}
|
|
|
|
|
|
void FileServerRequestHandler::preprocessWelcomeFile(const HTTPRequest& request,
|
|
const RequestDetails &/*requestDetails*/,
|
|
Poco::MemoryInputStream& /*message*/,
|
|
const std::shared_ptr<StreamSocket>& socket)
|
|
{
|
|
Poco::Net::HTTPResponse response;
|
|
const std::string relPath = getRequestPathname(request);
|
|
LOG_DBG("Preprocessing file: " << relPath);
|
|
std::string templateWelcome = *getUncompressedFile(relPath);
|
|
|
|
// Ask UAs to block if they detect any XSS attempt
|
|
response.add("X-XSS-Protection", "1; mode=block");
|
|
// No referrer-policy
|
|
response.add("Referrer-Policy", "no-referrer");
|
|
response.add("X-Content-Type-Options", "nosniff");
|
|
response.set("Server", HTTP_SERVER_STRING);
|
|
response.set("Date", Util::getHttpTimeNow());
|
|
|
|
response.setContentType("text/html");
|
|
response.setChunkedTransferEncoding(false);
|
|
|
|
std::ostringstream oss;
|
|
response.write(oss);
|
|
oss << templateWelcome;
|
|
socket->send(oss.str());
|
|
LOG_TRC("Sent file: " << relPath);
|
|
}
|
|
|
|
void FileServerRequestHandler::preprocessAdminFile(const HTTPRequest& request,
|
|
const RequestDetails &requestDetails,
|
|
const std::shared_ptr<StreamSocket>& socket)
|
|
{
|
|
Poco::Net::HTTPResponse response;
|
|
|
|
if (!COOLWSD::AdminEnabled)
|
|
throw Poco::FileAccessDeniedException("Admin console disabled");
|
|
|
|
if (!FileServerRequestHandler::isAdminLoggedIn(request, response))
|
|
throw Poco::Net::NotAuthenticatedException("Invalid admin login");
|
|
|
|
ServerURL cnxDetails(requestDetails);
|
|
std::string responseRoot = cnxDetails.getResponseRoot();
|
|
|
|
static const std::string scriptJS("<script src=\"%s/browser/" COOLWSD_VERSION_HASH "/%s.js\"></script>");
|
|
static const std::string footerPage("<footer class=\"footer has-text-centered\"><strong>Key:</strong> %s <strong>Expiry Date:</strong> %s</footer>");
|
|
|
|
const std::string relPath = getRequestPathname(request);
|
|
LOG_DBG("Preprocessing file: " << relPath);
|
|
std::string adminFile = *getUncompressedFile(relPath);
|
|
const std::string templatePath =
|
|
Poco::Path(relPath).setFileName("admintemplate.html").toString();
|
|
std::string templateFile = *getUncompressedFile(templatePath);
|
|
Poco::replaceInPlace(templateFile, std::string("<!--%MAIN_CONTENT%-->"), adminFile); // Now template has the main content..
|
|
|
|
std::string brandJS(Poco::format(scriptJS, responseRoot, std::string(BRANDING)));
|
|
std::string brandFooter;
|
|
|
|
#if ENABLE_SUPPORT_KEY
|
|
const auto& config = Application::instance().config();
|
|
const std::string keyString = config.getString("support_key", "");
|
|
SupportKey key(keyString);
|
|
|
|
if (!key.verify() || key.validDaysRemaining() <= 0)
|
|
{
|
|
brandJS = Poco::format(scriptJS, std::string(BRANDING_UNSUPPORTED));
|
|
brandFooter = Poco::format(footerPage, key.data(), Poco::DateTimeFormatter::format(key.expiry(), Poco::DateTimeFormat::RFC822_FORMAT));
|
|
}
|
|
#endif
|
|
|
|
Poco::replaceInPlace(templateFile, std::string("<!--%BRANDING_JS%-->"), brandJS);
|
|
Poco::replaceInPlace(templateFile, std::string("<!--%FOOTER%-->"), brandFooter);
|
|
Poco::replaceInPlace(templateFile, std::string("%VERSION%"), std::string(COOLWSD_VERSION_HASH));
|
|
Poco::replaceInPlace(templateFile, std::string("%SERVICE_ROOT%"), responseRoot);
|
|
|
|
// Ask UAs to block if they detect any XSS attempt
|
|
response.add("X-XSS-Protection", "1; mode=block");
|
|
// No referrer-policy
|
|
response.add("Referrer-Policy", "no-referrer");
|
|
response.add("X-Content-Type-Options", "nosniff");
|
|
response.set("Server", HTTP_SERVER_STRING);
|
|
response.set("Date", Util::getHttpTimeNow());
|
|
|
|
response.setContentType("text/html");
|
|
response.setChunkedTransferEncoding(false);
|
|
|
|
std::ostringstream oss;
|
|
response.write(oss);
|
|
oss << templateFile;
|
|
socket->send(oss.str());
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|