69 lines
2.7 KiB
C++
69 lines
2.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 Citra Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#if defined(__GNUC__) || defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
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#endif
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#include <jwt/jwt.hpp>
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#if defined(__GNUC__) || defined(__clang__)
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#pragma GCC diagnostic pop
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#endif
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#include <system_error>
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#include "common/logging/log.h"
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#include "web_service/verify_user_jwt.h"
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#include "web_service/web_backend.h"
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#include "web_service/web_result.h"
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namespace WebService {
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static std::string public_key;
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std::string GetPublicKey(const std::string& host) {
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if (public_key.empty()) {
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Client client(host, "", ""); // no need for credentials here
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public_key = client.GetPlain("/jwt/external/key.pem", true).returned_data;
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if (public_key.empty()) {
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LOG_ERROR(WebService, "Could not fetch external JWT public key, verification may fail");
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} else {
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LOG_INFO(WebService, "Fetched external JWT public key (size={})", public_key.size());
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}
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}
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return public_key;
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}
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VerifyUserJWT::VerifyUserJWT(const std::string& host) : pub_key(GetPublicKey(host)) {}
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Network::VerifyUser::UserData VerifyUserJWT::LoadUserData(const std::string& verify_uid,
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const std::string& token) {
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const std::string audience = fmt::format("external-{}", verify_uid);
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using namespace jwt::params;
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std::error_code error;
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// We use the Citra backend so the issuer is citra-core
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auto decoded =
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jwt::decode(token, algorithms({"rs256"}), error, secret(pub_key), issuer("citra-core"),
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aud(audience), validate_iat(true), validate_jti(true));
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if (error) {
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LOG_INFO(WebService, "Verification failed: category={}, code={}, message={}",
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error.category().name(), error.value(), error.message());
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return {};
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}
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Network::VerifyUser::UserData user_data{};
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if (decoded.payload().has_claim("username")) {
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user_data.username = decoded.payload().get_claim_value<std::string>("username");
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}
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if (decoded.payload().has_claim("displayName")) {
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user_data.display_name = decoded.payload().get_claim_value<std::string>("displayName");
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}
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if (decoded.payload().has_claim("avatarUrl")) {
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user_data.avatar_url = decoded.payload().get_claim_value<std::string>("avatarUrl");
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}
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if (decoded.payload().has_claim("roles")) {
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auto roles = decoded.payload().get_claim_value<std::vector<std::string>>("roles");
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user_data.moderator = std::find(roles.begin(), roles.end(), "moderator") != roles.end();
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}
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return user_data;
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}
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} // namespace WebService
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