添加用户注册和权限管理功能,重构用户ID处理逻辑,增强错误处理

This commit is contained in:
keqingmoe 2024-12-27 19:15:14 +08:00
parent 438c2f14b6
commit 479d38036e
2 changed files with 86 additions and 7 deletions

View File

@ -16,8 +16,14 @@ extern "C"
int login(const char* user_id, const char* password, int* result);
int registe(const char* user_id, const char* password);
int delete_user(const char* user_id);
int get_user_permission(const char* user_id, int* result);
int set_user_permission(const char* user_id, int permission);
#ifdef __cplusplus
}
#endif

View File

@ -5,12 +5,28 @@
#include <print>
#include <leveldb/db.h>
#include <leveldb/write_batch.h>
using leveldb_ptr = leveldb::DB*;
auto user_db = leveldb_ptr{nullptr};
auto iter_round = 10000;
auto filter(const std::string_view id) -> bool
{
return id.contains(':');
}
auto mangle_user_id(const std::string_view id) -> std::string
{
return std::format("{}:user_id", id);
}
auto mangle_permission(const std::string_view id) -> std::string
{
return std::format("{}:permission", id);
}
extern "C"
{
auto open_user_db() -> int
@ -35,8 +51,10 @@ extern "C"
auto check_user_exists(const char* user_id, int* result) -> int
{
if (filter(user_id)) return 0;
auto value = std::string{};
auto status = user_db->Get(leveldb::ReadOptions{}, user_id, &value);
auto status = user_db->Get(leveldb::ReadOptions{}, mangle_user_id(user_id), &value);
if (status.ok()) {
*result = 1;
} else if (status.IsNotFound()) {
@ -50,7 +68,10 @@ extern "C"
auto set_user_password(const char* user_id, const char* password) -> int
{
auto status = user_db->Put(leveldb::WriteOptions{}, user_id, generate_hash(password, iter_round));
if (filter(user_id)) return 0;
auto status =
user_db->Put(leveldb::WriteOptions{}, mangle_user_id(user_id), generate_hash(password, iter_round));
if (!status.ok()) {
std::println(stderr, "Failed to set user password: {}", status.ToString());
return 0;
@ -60,8 +81,10 @@ extern "C"
auto login(const char* user_id, const char* password, int* result) -> int
{
if (filter(user_id)) return 0;
auto value = std::string{};
auto status = user_db->Get(leveldb::ReadOptions{}, user_id, &value);
auto status = user_db->Get(leveldb::ReadOptions{}, mangle_user_id(user_id), &value);
if (!status.ok()) {
std::println(stderr, "Failed to login: {}", status.ToString());
return 0;
@ -70,10 +93,60 @@ extern "C"
return 1;
}
int registe(const char* user_id, const char* password)
{
if (filter(user_id)) return 0;
auto batch = leveldb::WriteBatch{};
batch.Put(mangle_user_id(user_id), generate_hash(password, iter_round));
batch.Put(mangle_permission(user_id), "1");
auto status = user_db->Write(leveldb::WriteOptions{}, &batch);
if (!status.ok()) {
std::println(stderr, "Failed to register: {}", status.ToString());
return 0;
}
return 1;
}
auto delete_user(const char* user_id) -> int
{
auto write_options = leveldb::WriteOptions{};
auto status = user_db->Delete(write_options, user_id);
return status.ok();
if (filter(user_id)) return 0;
auto batch = leveldb::WriteBatch{};
batch.Delete(mangle_user_id(user_id));
batch.Delete(mangle_permission(user_id));
auto status = user_db->Write(leveldb::WriteOptions{}, &batch);
if (!status.ok()) {
std::println(stderr, "Failed to delete: {}", status.ToString());
return 0;
}
return 1;
}
int get_user_permission(const char* user_id, int* result)
{
if (filter(user_id)) return 0;
auto value = std::string{};
auto status = user_db->Get(leveldb::ReadOptions{}, mangle_permission(user_id), &value);
if (status.ok()) {
*result = std::stoi(value);
} else {
std::println(stderr, "Failed to get user permission: {}", status.ToString());
return 0;
}
return 1;
}
int set_user_permission(const char* user_id, int permission)
{
if (filter(user_id)) return 0;
auto status = user_db->Put(leveldb::WriteOptions{}, mangle_permission(user_id), std::to_string(permission));
if (!status.ok()) {
std::println(stderr, "Failed to set user permission: {}", status.ToString());
return 0;
}
return 1;
}
}