web_backend: protect jwt cache with a mutex
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120d8f3bf7
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@ -24,6 +24,7 @@ Client::JWTCache Client::jwt_cache{};
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Client::Client(const std::string& host, const std::string& username, const std::string& token)
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: host(host), username(username), token(token) {
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std::lock_guard<std::mutex> lock(jwt_cache.mutex);
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if (username == jwt_cache.username && token == jwt_cache.token) {
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jwt = jwt_cache.jwt;
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}
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@ -116,6 +117,7 @@ void Client::UpdateJWT() {
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if (result.result_code != Common::WebResult::Code::Success) {
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LOG_ERROR(WebService, "UpdateJWT failed");
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} else {
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std::lock_guard<std::mutex> lock(jwt_cache.mutex);
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jwt_cache.username = username;
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jwt_cache.token = token;
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jwt_cache.jwt = jwt = result.returned_data;
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@ -5,7 +5,7 @@
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#pragma once
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#include <functional>
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#include <future>
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#include <mutex>
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#include <string>
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#include <tuple>
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#include <httplib.h>
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@ -81,6 +81,7 @@ private:
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std::unique_ptr<httplib::Client> cli;
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struct JWTCache {
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std::mutex mutex;
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std::string username;
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std::string token;
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std::string jwt;
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