add example for db
This commit is contained in:
jie
parent
4cca3e4a7c
commit
811888ba7d
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@ -62,6 +62,15 @@ namespace bserv::utils {
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namespace file {
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namespace file {
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class file_not_found : public std::exception {
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private:
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std::string msg_;
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public:
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file_not_found(const std::string& filename)
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: msg_{ std::string{ "'" } + filename + "' does not exist" } {}
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const char* what() const { return msg_.c_str(); }
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};
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std::string read_bin(const std::string& filename);
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std::string read_bin(const std::string& filename);
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std::nullopt_t serve(
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std::nullopt_t serve(
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@ -1,5 +1,6 @@
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#include "pch.h"
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#include "pch.h"
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#include "bserv/utils.hpp"
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#include "bserv/utils.hpp"
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#include "bserv/router.hpp"
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#include <mutex>
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#include <mutex>
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#include <sstream>
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#include <sstream>
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@ -238,6 +239,7 @@ namespace bserv::utils {
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std::string read_bin(const std::string& filename) {
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std::string read_bin(const std::string& filename) {
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std::ifstream fin(filename, std::ios_base::in | std::ios_base::binary);
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std::ifstream fin(filename, std::ios_base::in | std::ios_base::binary);
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if (!fin.is_open()) throw file_not_found{ filename };
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std::string res;
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std::string res;
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while (true) {
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while (true) {
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char c = (char)fin.get();
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char c = (char)fin.get();
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@ -285,7 +287,12 @@ namespace bserv::utils {
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response_type& response,
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response_type& response,
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const std::string& filename) {
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const std::string& filename) {
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response.set(bserv::http::field::content_type, mime_type(filename));
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response.set(bserv::http::field::content_type, mime_type(filename));
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try {
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response.body() = read_bin(filename);
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response.body() = read_bin(filename);
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}
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catch (const file_not_found&) {
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throw url_not_found_exception{};
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}
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response.prepare_payload();
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response.prepare_payload();
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return std::nullopt;
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return std::nullopt;
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}
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}
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@ -0,0 +1,148 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>16.0</VCProjectVersion>
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<Keyword>Win32Proj</Keyword>
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<ProjectGuid>{9c6ee570-c51b-46b0-aa25-8aa1752ca68a}</ProjectGuid>
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<RootNamespace>DB</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<Import Project="..\bserv-debug-x64.props" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<LinkIncremental>true</LinkIncremental>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<LinkIncremental>false</LinkIncremental>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<LinkIncremental>true</LinkIncremental>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<LinkIncremental>false</LinkIncremental>
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</PropertyGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="db.cpp" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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<Filter Include="源文件">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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<Filter Include="头文件">
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
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</Filter>
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<Filter Include="资源文件">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="db.cpp">
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<Filter>源文件</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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@ -0,0 +1,4 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup />
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</Project>
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@ -15,6 +15,11 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Routing", "Routing.vcxproj"
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EndProject
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "bserv", "..\bserv\bserv.vcxproj", "{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}"
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "bserv", "..\bserv\bserv.vcxproj", "{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}"
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EndProject
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DB", "DB.vcxproj", "{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}"
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ProjectSection(ProjectDependencies) = postProject
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296} = {F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}
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EndProjectSection
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EndProject
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Global
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x64 = Debug|x64
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@ -47,6 +52,14 @@ Global
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}.Release|x64.Build.0 = Release|x64
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}.Release|x64.Build.0 = Release|x64
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}.Release|x86.ActiveCfg = Release|Win32
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}.Release|x86.ActiveCfg = Release|Win32
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}.Release|x86.Build.0 = Release|Win32
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{F5C0CF6D-7BF9-40A5-AF2E-8FC36A1D7296}.Release|x86.Build.0 = Release|Win32
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Debug|x64.ActiveCfg = Debug|x64
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Debug|x64.Build.0 = Debug|x64
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Debug|x86.ActiveCfg = Debug|Win32
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Debug|x86.Build.0 = Debug|Win32
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Release|x64.ActiveCfg = Release|x64
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Release|x64.Build.0 = Release|x64
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Release|x86.ActiveCfg = Release|Win32
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{9C6EE570-C51B-46B0-AA25-8AA1752CA68A}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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HideSolutionNode = FALSE
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@ -0,0 +1,178 @@
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#include <bserv/common.hpp>
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#include <boost/json.hpp>
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#include <string>
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#include <optional>
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bserv::db_relation_to_object orm_user{
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bserv::make_db_field<int>("id"),
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bserv::make_db_field<std::string>("username"),
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bserv::make_db_field<std::string>("password"),
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bserv::make_db_field<bool>("is_active"),
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bserv::make_db_field<bool>("is_superuser"),
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bserv::make_db_field<std::optional<std::string>>("first_name"),
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bserv::make_db_field<std::optional<std::string>>("last_name"),
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bserv::make_db_field<std::optional<std::string>>("email")
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};
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std::optional<boost::json::object> get_user(
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bserv::db_transaction& tx,
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const boost::json::value& username) {
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bserv::db_result r = tx.exec(
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"select * from ex_auth_user where username = ?;", username);
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lginfo << r.query();
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return orm_user.convert_to_optional(r);
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}
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std::optional<boost::json::value> get_or_empty(
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boost::json::object& obj,
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const std::string& key) {
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if (!obj.contains(key)) return std::nullopt;
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return obj[key];
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}
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boost::json::object greet(
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std::shared_ptr<bserv::session_type> session_ptr) {
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bserv::session_type& session = *session_ptr;
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if (session.count("user")) {
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boost::json::object& user = session["user"].as_object();
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boost::json::object obj;
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// the first way to check non-null (!= nullptr)
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if (user["first_name"] != nullptr && user["last_name"] != nullptr) {
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obj["welcome"] = std::string{ user["first_name"].as_string() }
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+ ' ' + std::string{ user["last_name"].as_string() };
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}
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else obj["welcome"] = user["username"];
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// the second way (!is_null())
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if (!user["email"].is_null()) {
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obj["email"] = user["email"];
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}
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return obj;
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}
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else return { {"hello", "world"} };
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}
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boost::json::object user_register(
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bserv::request_type& request,
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boost::json::object&& params,
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||||||
|
std::shared_ptr<bserv::db_connection> conn) {
|
||||||
|
if (request.method() != boost::beast::http::verb::post)
|
||||||
|
throw bserv::url_not_found_exception{};
|
||||||
|
if (!params.contains("username")) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "`username` is required"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
if (!params.contains("password")) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "`password` is required"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
auto username = params["username"];
|
||||||
|
bserv::db_transaction tx{ conn };
|
||||||
|
auto opt_user = get_user(tx, username);
|
||||||
|
if (opt_user) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "`username` existed"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
auto password = params["password"].as_string();
|
||||||
|
bserv::db_result r = tx.exec(
|
||||||
|
"insert into ex_auth_user "
|
||||||
|
"(username, password, is_active, is_superuser, "
|
||||||
|
"first_name, last_name, email) values "
|
||||||
|
"(?, ?, ?, ?, ?, ?, ?);",
|
||||||
|
username,
|
||||||
|
bserv::utils::security::encode_password(
|
||||||
|
password.c_str()),
|
||||||
|
params.contains("is_active") ? params["is_active"] : true,
|
||||||
|
params.contains("is_superuser") ? params["is_superuser"] : false,
|
||||||
|
get_or_empty(params, "first_name"),
|
||||||
|
get_or_empty(params, "last_name"),
|
||||||
|
get_or_empty(params, "email"));
|
||||||
|
lginfo << r.query();
|
||||||
|
tx.commit(); // commit must be done explicitly
|
||||||
|
return {
|
||||||
|
{"success", true},
|
||||||
|
{"message", "user registered"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
boost::json::object user_login(
|
||||||
|
bserv::request_type& request,
|
||||||
|
boost::json::object&& params,
|
||||||
|
std::shared_ptr<bserv::db_connection> conn,
|
||||||
|
std::shared_ptr<bserv::session_type> session_ptr) {
|
||||||
|
if (request.method() != boost::beast::http::verb::post)
|
||||||
|
throw bserv::url_not_found_exception{};
|
||||||
|
if (!params.contains("username")) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "`username` is required"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
if (!params.contains("password")) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "`password` is required"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
auto username = params["username"];
|
||||||
|
bserv::db_transaction tx{ conn };
|
||||||
|
auto opt_user = get_user(tx, username);
|
||||||
|
if (!opt_user) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "invalid username/password"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
auto& user = opt_user.value();
|
||||||
|
if (!user["is_active"].as_bool()) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "invalid username/password"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
auto password = params["password"].as_string();
|
||||||
|
auto encoded_password = user["password"].as_string();
|
||||||
|
if (!bserv::utils::security::check_password(
|
||||||
|
password.c_str(), encoded_password.c_str())) {
|
||||||
|
return {
|
||||||
|
{"success", false},
|
||||||
|
{"message", "invalid username/password"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
bserv::session_type& session = *session_ptr;
|
||||||
|
session["user"] = user;
|
||||||
|
return {
|
||||||
|
{"success", true},
|
||||||
|
{"message", "login successfully"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
boost::json::object user_logout(
|
||||||
|
std::shared_ptr<bserv::session_type> session_ptr) {
|
||||||
|
bserv::session_type& session = *session_ptr;
|
||||||
|
if (session.count("user"))
|
||||||
|
session.erase("user");
|
||||||
|
return {
|
||||||
|
{"success", true},
|
||||||
|
{"message", "logout successfully"}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
int main() {
|
||||||
|
std::string config_content = bserv::utils::file::read_bin("../config.json");
|
||||||
|
boost::json::object config_obj = boost::json::parse(config_content).as_object();
|
||||||
|
bserv::server_config config;
|
||||||
|
config.set_db_conn_str(config_obj["conn-str"].as_string().c_str());
|
||||||
|
bserv::server{ config, {
|
||||||
|
bserv::make_path("/greet", &greet,
|
||||||
|
bserv::placeholders::session),
|
||||||
|
bserv::make_path("/register", &user_register,
|
||||||
|
bserv::placeholders::request,
|
||||||
|
bserv::placeholders::json_params,
|
||||||
|
bserv::placeholders::db_connection_ptr),
|
||||||
|
bserv::make_path("/login", &user_login,
|
||||||
|
bserv::placeholders::request,
|
||||||
|
bserv::placeholders::json_params,
|
||||||
|
bserv::placeholders::db_connection_ptr,
|
||||||
|
bserv::placeholders::session),
|
||||||
|
bserv::make_path("/logout", &user_logout,
|
||||||
|
bserv::placeholders::session)
|
||||||
|
} };
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,11 @@
|
||||||
|
DROP TABLE IF EXISTS ex_auth_user;
|
||||||
|
CREATE TABLE ex_auth_user (
|
||||||
|
id serial PRIMARY KEY,
|
||||||
|
username character varying(255) NOT NULL UNIQUE,
|
||||||
|
password character varying(255) NOT NULL,
|
||||||
|
is_active boolean NOT NULL,
|
||||||
|
is_superuser boolean NOT NULL,
|
||||||
|
first_name character varying(255),
|
||||||
|
last_name character varying(255),
|
||||||
|
email character varying(255)
|
||||||
|
);
|
||||||
Loading…
Reference in New Issue