mirror of
https://gitee.com/ThingsGateway/ThingsGateway.git
synced 2025-10-31 23:53:58 +08:00
585 lines
22 KiB
C#
585 lines
22 KiB
C#
// ------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://thingsgateway.cn/
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// QQ群：605534569
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// ------------------------------------------------------------------------------
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Configuration.CommandLine;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyModel;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Localization;
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using Microsoft.Extensions.Options;
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using System.Collections.Concurrent;
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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using System.Reflection;
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using System.Security.Claims;
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using ThingsGateway.ConfigurableOptions;
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using ThingsGateway.NewLife.Caching;
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using ThingsGateway.NewLife.Collections;
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using ThingsGateway.NewLife.Extension;
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using ThingsGateway.NewLife.Log;
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using ThingsGateway.Reflection;
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using ThingsGateway.Templates;
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namespace ThingsGateway;
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public static class WebEnableVariable
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{
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public static bool WebEnable => Environment.GetEnvironmentVariable(nameof(WebEnable)).ToBoolean(true);
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}
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/// <summary>
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/// 全局应用类
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/// </summary>
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[SuppressSniffer]
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public static class App
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{
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/// <summary>
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/// 私有设置，避免重复解析
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/// </summary>
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internal static AppSettingsOptions _settings;
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/// <summary>
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/// 应用全局配置
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/// </summary>
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public static AppSettingsOptions Settings => _settings ??= GetConfig<AppSettingsOptions>("AppSettings", true);
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/// <summary>
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/// 全局配置选项
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/// </summary>
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public static IConfiguration Configuration => CatchOrDefault(() => InternalApp.Configuration.Reload(), new ConfigurationBuilder().Build());
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/// <summary>
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/// 获取Web主机环境，如，是否是开发环境，生产环境等
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/// </summary>
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public static IWebHostEnvironment WebHostEnvironment => InternalApp.WebHostEnvironment;
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/// <summary>
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/// 获取泛型主机环境，如，是否是开发环境，生产环境等
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/// </summary>
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public static IHostEnvironment HostEnvironment => InternalApp.HostEnvironment;
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/// <summary>
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/// 存储根服务，可能为空
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/// </summary>
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public static IServiceProvider RootServices => InternalApp.RootServices;
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private static IHostApplicationLifetime hostApplicationLifetime;
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public static IHostApplicationLifetime HostApplicationLifetime
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{
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get
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{
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if ((hostApplicationLifetime == null))
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{
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hostApplicationLifetime = RootServices?.GetService<IHostApplicationLifetime>();
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}
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return hostApplicationLifetime;
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}
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}
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private static IStringLocalizerFactory? stringLocalizerFactory;
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/// <summary>
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/// 本地化服务工厂
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/// </summary>
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public static IStringLocalizerFactory? StringLocalizerFactory
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{
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get
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{
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if ((stringLocalizerFactory == null))
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{
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stringLocalizerFactory = RootServices?.GetService<IStringLocalizerFactory>();
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}
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return stringLocalizerFactory;
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}
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}
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[NotNull]
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private static ICache? cacheService;
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/// <summary>
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/// 当前缓存服务
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/// </summary>
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public static ICache? CacheService
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{
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get
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{
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if ((cacheService == null))
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{
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cacheService = App.GetService<ICache>();
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}
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return cacheService;
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}
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}
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/// <summary>
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/// 根据类型创建本地化服务
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/// </summary>
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public static IStringLocalizer? CreateLocalizerByType(Type resourceSource)
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{
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return resourceSource.Assembly.IsDynamic ? null : StringLocalizerFactory?.Create(resourceSource);
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}
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/// <summary>
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/// 根据名称创建本地化服务
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/// </summary>
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public static IStringLocalizer? CreateLocalizerByName(string baseName, string location)
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{
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return StringLocalizerFactory?.Create(baseName, location);
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}
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/// <summary>
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/// 判断是否是单文件环境
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/// </summary>
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public static bool SingleFileEnvironment => string.IsNullOrWhiteSpace(Assembly.GetEntryAssembly().Location);
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/// <summary>
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/// 应用有效程序集
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/// </summary>
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public static readonly List<Assembly> Assemblies;
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/// <summary>
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/// 有效程序集类型
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/// </summary>
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public static readonly List<Type> EffectiveTypes;
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/// <summary>
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/// 获取请求上下文
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/// </summary>
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public static HttpContext HttpContext => CatchOrDefault(() =>
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{
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var httpContextAccessor = RootServices?.GetService<IHttpContextAccessor>();
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try
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{
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return httpContextAccessor?.HttpContext;
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}
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catch
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{
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return null;
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}
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});
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/// <summary>
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/// 获取请求上下文用户
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/// </summary>
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/// <remarks>只有授权访问的页面或接口才存在值，否则为 null</remarks>
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public static ClaimsPrincipal User => HttpContext?.User;
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/// <summary>
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/// 获取配置
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/// </summary>
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/// <typeparam name="TOptions">强类型选项类</typeparam>
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/// <param name="path">配置中对应的Key</param>
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/// <param name="loadPostConfigure"></param>
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/// <returns>TOptions</returns>
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public static TOptions GetConfig<TOptions>(string path, bool loadPostConfigure = false)
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{
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var options = Configuration.GetSection(path).Get<TOptions>();
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// 加载默认选项配置
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if (loadPostConfigure && typeof(IConfigurableOptions).IsAssignableFrom(typeof(TOptions)))
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{
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var postConfigure = typeof(TOptions).GetMethod("PostConfigure");
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if (postConfigure != null)
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{
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options ??= Activator.CreateInstance<TOptions>();
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postConfigure.Invoke(options, new object[] { options, Configuration });
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}
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}
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return options;
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}
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/// <summary>
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/// 获取选项
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/// </summary>
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/// <typeparam name="TOptions">强类型选项类</typeparam>
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/// <param name="serviceProvider"></param>
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/// <returns>TOptions</returns>
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public static TOptions GetOptions<TOptions>(IServiceProvider serviceProvider = default)
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where TOptions : class, new()
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{
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return Penetrates.GetOptionsOnStarting<TOptions>()
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?? GetService<IOptions<TOptions>>(serviceProvider ?? RootServices)?.Value;
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}
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/// <summary>
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/// 获取请求生存周期的服务
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/// </summary>
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/// <param name="type"></param>
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/// <param name="serviceProvider"></param>
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/// <returns></returns>
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public static object GetService(Type type, IServiceProvider serviceProvider = default)
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{
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return serviceProvider == null ? RootServices.GetService(type) : serviceProvider.GetService(type);
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}
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/// <summary>
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/// 获取请求生存周期的服务
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/// </summary>
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/// <typeparam name="TService"></typeparam>
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/// <param name="serviceProvider"></param>
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/// <returns></returns>
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public static TService GetService<TService>(IServiceProvider serviceProvider = default)
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where TService : class
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{
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return GetService(typeof(TService), serviceProvider) as TService;
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}
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/// <summary>
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/// 获取选项
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/// </summary>
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/// <typeparam name="TOptions">强类型选项类</typeparam>
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/// <param name="serviceProvider"></param>
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/// <returns>TOptions</returns>
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public static TOptions GetOptionsMonitor<TOptions>(IServiceProvider serviceProvider = default)
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where TOptions : class, new()
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{
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return Penetrates.GetOptionsOnStarting<TOptions>()
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?? GetService<IOptionsMonitor<TOptions>>(serviceProvider ?? RootServices)?.CurrentValue;
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}
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/// <summary>
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/// 获取选项
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/// </summary>
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/// <typeparam name="TOptions">强类型选项类</typeparam>
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/// <param name="serviceProvider"></param>
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/// <returns>TOptions</returns>
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public static TOptions GetOptionsSnapshot<TOptions>(IServiceProvider serviceProvider = default)
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where TOptions : class, new()
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{
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// 这里不能从根服务解析，因为是 Scoped 作用域
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return Penetrates.GetOptionsOnStarting<TOptions>()
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?? GetService<IOptionsSnapshot<TOptions>>(serviceProvider)?.Value;
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}
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/// <summary>
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/// 获取命令行配置
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/// </summary>
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/// <param name="args"></param>
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/// <param name="switchMappings"></param>
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/// <returns></returns>
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public static CommandLineConfigurationProvider GetCommandLineConfiguration(string[] args, IDictionary<string, string> switchMappings = null)
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{
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var commandLineConfiguration = new CommandLineConfigurationProvider(args, switchMappings);
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commandLineConfiguration.Load();
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return commandLineConfiguration;
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}
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/// <summary>
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/// 获取当前线程 Id
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/// </summary>
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/// <returns></returns>
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public static int GetThreadId()
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{
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return Environment.CurrentManagedThreadId;
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}
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/// <summary>
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/// 获取当前请求 TraceId
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/// </summary>
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/// <returns></returns>
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public static string GetTraceId()
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{
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return Activity.Current?.Id ?? (InternalApp.RootServices == null ? default : HttpContext?.TraceIdentifier);
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}
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/// <summary>
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/// 获取一段代码执行耗时
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/// </summary>
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/// <param name="action">委托</param>
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/// <returns><see cref="long"/></returns>
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public static long GetExecutionTime(Action action)
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{
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// 空检查
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if (action == null) throw new ArgumentNullException(nameof(action));
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// 计算接口执行时间
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var timeOperation = Stopwatch.StartNew();
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action();
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timeOperation.Stop();
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return timeOperation.ElapsedMilliseconds;
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}
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/// <summary>
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/// 获取服务注册的生命周期类型
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/// </summary>
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/// <param name="serviceType"></param>
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/// <returns></returns>
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public static ServiceLifetime? GetServiceLifetime(Type serviceType)
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{
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var serviceDescriptor = InternalApp.InternalServices
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.FirstOrDefault(u => u.ServiceType == (serviceType.IsGenericType ? serviceType.GetGenericTypeDefinition() : serviceType));
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return serviceDescriptor?.Lifetime;
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}
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/// <summary>
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/// 构造函数
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/// </summary>
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static App()
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{
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// 加载程序集
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var assObject = GetAssemblies();
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Assemblies = assObject.Assemblies.ToList();
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ExternalAssemblies = assObject.ExternalAssemblies;
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PathOfExternalAssemblies = assObject.PathOfExternalAssemblies;
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// 获取有效的类型集合
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EffectiveTypes = Assemblies.SelectMany(GetTypes).ToList();
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RazorAssemblies = EffectiveTypes.Where(u => !u.IsInterface && !u.IsAbstract && u.IsClass
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&& u.IsDefined(typeof(Microsoft.AspNetCore.Components.RouteAttribute), true)).Select(a => a.Assembly).Distinct().ToList();
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AppStartups = new ConcurrentBag<AppStartup>();
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}
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/// <summary>
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/// 应用所有启动配置对象
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/// </summary>
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internal static ConcurrentBag<AppStartup> AppStartups;
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/// <summary>
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/// 外部程序集
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/// </summary>
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internal static IEnumerable<Assembly> ExternalAssemblies;
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/// <summary>
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/// 外部程序集文件路径
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/// </summary>
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internal static IEnumerable<string> PathOfExternalAssemblies;
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/// <summary>
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/// 直接引用程序集中的Route Razor类，不支持单文件
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/// </summary>
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public static IEnumerable<Assembly> RazorAssemblies { get; private set; }
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public static readonly ConcurrentHashSet<String> BakImagePaths = new();
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public static readonly ConcurrentHashSet<String> BakImageNames = new();
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/// <summary>
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/// 获取应用有效程序集
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/// </summary>
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/// <returns>IEnumerable</returns>
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private static (IEnumerable<Assembly> Assemblies, IEnumerable<Assembly> ExternalAssemblies, IEnumerable<string> PathOfExternalAssemblies) GetAssemblies()
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{
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// 需排除的程序集后缀
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var excludeAssemblyNames = new string[] {
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"Database.Migrations",
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"ThingsGateway.NewLife.X"
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};
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// 读取应用配置
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var supportPackageNamePrefixs = Settings.SupportPackageNamePrefixs ?? Array.Empty<string>();
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IEnumerable<Assembly> scanAssemblies;
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// 获取入口程序集
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var entryAssembly = Assembly.GetEntryAssembly();
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// 非独立发布/非单文件发布
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if (!string.IsNullOrWhiteSpace(entryAssembly.Location))
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{
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var dependencyContext = DependencyContext.Default;
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// 读取项目程序集或 内部发布的包，或手动添加引用的dll，或配置特定的包前缀
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scanAssemblies = dependencyContext.RuntimeLibraries
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.Where(u =>
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(u.Type == "project" && !excludeAssemblyNames.Any(j => u.Name.EndsWith(j))) ||
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(u.Type == "package" && !excludeAssemblyNames.Any(j => u.Name.EndsWith(j)) && (
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//(u.Name.StartsWith(nameof(ThingsGateway)) && !u.Name.Contains("Plugin")) ||
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supportPackageNamePrefixs.Any(p => u.Name.StartsWith(p) && u.RuntimeAssemblyGroups.Count > 0))) ||
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(Settings.EnabledReferenceAssemblyScan == true && u.Type == "reference")) // 判断是否启用引用程序集扫描
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.Select(u => Reflect.GetAssembly(u.Name)).Where(a => a != null);
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}
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// 独立发布/单文件发布
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else
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{
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IEnumerable<Assembly> fixedSingleFileAssemblies = new[] { entryAssembly };
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// 扫描实现 ISingleFilePublish 接口的类型
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var singleFilePublishType = entryAssembly.GetTypes()
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.FirstOrDefault(u => u.IsClass && !u.IsInterface && !u.IsAbstract && typeof(ISingleFilePublish).IsAssignableFrom(u));
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if (singleFilePublishType != null)
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{
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var singleFilePublish = Activator.CreateInstance(singleFilePublishType) as ISingleFilePublish;
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// 加载用户自定义配置单文件所需程序集
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var nativeAssemblies = singleFilePublish.IncludeAssemblies();
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var loadAssemblies = singleFilePublish.IncludeAssemblyNames()
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.Select(u => Reflect.GetAssembly(u)).Where(a => a != null);
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fixedSingleFileAssemblies = fixedSingleFileAssemblies.Concat(nativeAssemblies)
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.Concat(loadAssemblies);
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}
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else
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{
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Console.ResetColor();
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Console.ForegroundColor = ConsoleColor.Red;
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// 提示没有正确配置单文件配置
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Console.WriteLine(TP.Wrapper("Deploy Console"
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, "Single file deploy error."
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, "##Exception## Single file deployment configuration error."
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, "##Documentation## https://furion.net/docs/singlefile"));
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Console.ResetColor();
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}
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// 通过 AppDomain.CurrentDomain 扫描，默认为延迟加载，正常只能扫描到 此程序集 和 入口程序集（启动层）
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scanAssemblies = AppDomain.CurrentDomain.GetAssemblies()
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.Where(ass =>
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// 排除 System，Microsoft，netstandard 开头的程序集
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!ass.FullName.StartsWith(nameof(System))
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&& !ass.FullName.StartsWith(nameof(Microsoft))
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&& !ass.FullName.StartsWith("netstandard"))
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.Concat(fixedSingleFileAssemblies)
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.Distinct();
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}
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IEnumerable<Assembly> externalAssemblies = Array.Empty<Assembly>();
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IEnumerable<string> pathOfExternalAssemblies = Array.Empty<string>();
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// 加载 appsettings.json 配置的外部程序集
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if (Settings.ExternalAssemblies?.Length > 0)
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{
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var externalDlls = new List<string>();
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foreach (var item in Settings.ExternalAssemblies)
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{
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if (string.IsNullOrWhiteSpace(item)) continue;
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var path = Path.Combine(AppContext.BaseDirectory, item);
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// 若以 .dll 结尾则认为是一个文件
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if (item.EndsWith(".dll"))
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{
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if (File.Exists(path)) externalDlls.Add(path);
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}
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// 否则作为目录查找或拼接 .dll 后缀作为文件名查找
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else
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{
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// 作为目录查找所有 .dll 文件
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if (Directory.Exists(path))
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{
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externalDlls.AddRange(Directory.EnumerateFiles(path, "*.dll", SearchOption.AllDirectories));
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}
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// 拼接 .dll 后缀查找
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else
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{
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var pathDll = path + ".dll";
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if (File.Exists(pathDll)) externalDlls.Add(pathDll);
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}
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}
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}
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// 加载外部程序集
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foreach (var assemblyFileFullPath in externalDlls)
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{
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try
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{
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if (BakImagePaths.Contains(assemblyFileFullPath)) continue;
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//// 根据路径加载程序集
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////var loadedAssembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(assemblyFileFullPath);
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//var runtimeAssembliesPath = Path.GetDirectoryName(typeof(object).Assembly.Location);
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//// 将目标程序集和运行时核心程序集一起提供给 PathAssemblyResolver
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//var assemblies = Directory.GetFiles(runtimeAssembliesPath, "*.dll");
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//var resolver = new PathAssemblyResolver(new[] { assemblyFileFullPath }.Concat(assemblies));
|
||
//// 使用 MetadataLoadContext
|
||
//using var metadataContext = new MetadataLoadContext(resolver);
|
||
|
||
//var referencedAssemblies = metadataContext.LoadFromAssemblyPath(assemblyFileFullPath)?.GetReferencedAssemblies();
|
||
//if ((referencedAssemblies?.Any(a => a.Name.StartsWith("ThingsGateway"))) != true)
|
||
//{
|
||
// continue;
|
||
//}
|
||
|
||
var loadedAssembly = Reflect.LoadAssembly(assemblyFileFullPath);
|
||
if (loadedAssembly == default) continue;
|
||
|
||
var loadTypes = GetTypes(loadedAssembly);
|
||
if (!loadTypes.Any())
|
||
{
|
||
BakImagePaths.TryAdd(assemblyFileFullPath);
|
||
BakImageNames.TryAdd(loadedAssembly.GetName().Name);
|
||
continue;
|
||
}
|
||
var assembly = new[] { loadedAssembly };
|
||
|
||
if (scanAssemblies.Any(u => u == loadedAssembly)) continue;
|
||
|
||
// 合并程序集
|
||
scanAssemblies = scanAssemblies.Concat(assembly);
|
||
externalAssemblies = externalAssemblies.Concat(assembly);
|
||
pathOfExternalAssemblies = pathOfExternalAssemblies.Concat(new[] { assemblyFileFullPath });
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
BakImagePaths.TryAdd(assemblyFileFullPath);
|
||
XTrace.Log.Warn("Load external assembly error: {0} {1} {2}", assemblyFileFullPath, Environment.NewLine, ex);
|
||
Console.WriteLine("Load external assembly error: {0} {1} {2}", assemblyFileFullPath, Environment.NewLine, ex);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 处理排除的程序集
|
||
if (Settings.ExcludeAssemblies?.Length > 0)
|
||
{
|
||
scanAssemblies = scanAssemblies.Where(ass => !Settings.ExcludeAssemblies.Contains(ass.GetName().Name, StringComparer.OrdinalIgnoreCase));
|
||
}
|
||
|
||
return (scanAssemblies.Distinct(), externalAssemblies.Distinct(), pathOfExternalAssemblies.Distinct());
|
||
}
|
||
|
||
/// <summary>
|
||
/// 加载程序集中的所有类型
|
||
/// </summary>
|
||
/// <param name="ass"></param>
|
||
/// <returns></returns>
|
||
private static IEnumerable<Type> GetTypes(Assembly ass)
|
||
{
|
||
var types = Array.Empty<Type>();
|
||
|
||
try
|
||
{
|
||
types = ass.GetTypes();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
XTrace.Log.Warn($"Error load `{ass.FullName}` assembly. : {ex.Message}");
|
||
}
|
||
|
||
return types.Where(u => u.IsPublic && !u.IsDefined(typeof(SuppressSnifferAttribute), false));
|
||
}
|
||
|
||
/// <summary>
|
||
/// 处理获取对象异常问题
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="action">获取对象委托</param>
|
||
/// <param name="defaultValue">默认值</param>
|
||
/// <returns>T</returns>
|
||
private static T CatchOrDefault<T>(Func<T> action, T defaultValue = null)
|
||
where T : class
|
||
{
|
||
try
|
||
{
|
||
return action();
|
||
}
|
||
catch
|
||
{
|
||
return defaultValue ?? null;
|
||
}
|
||
}
|
||
}
|