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View Code? Open in Web Editor NEW.Net 8 、SqlSugar ORM、Vue 2.X、RBAC、前后端分离的开箱则用的企业级中后台权限管理系统
Home Page: https://www.apevolo.com
License: Apache License 2.0
.Net 8 、SqlSugar ORM、Vue 2.X、RBAC、前后端分离的开箱则用的企业级中后台权限管理系统
Home Page: https://www.apevolo.com
License: Apache License 2.0
SugarRepository.cs文件第555行:
https://github.com/xianhc/apevolo-api/blob/master/ApeVolo.Repository/SugarHandler/SugarRepository.cs
public SugarHandler(IUnitOfWork unitOfWork)
{
_unitOfWork = unitOfWork;
_dbBase = unitOfWork.GetDbClient();
}
internal ISqlSugarClient Db
{
get { return _db; }
}
private readonly IUnitOfWork _unitOfWork;
private SqlSugarClient _dbBase;
private ISqlSugarClient _db => _dbBase;
对于引用类型,两种变量可引用同一对象;因此,对一个变量执行的操作会影响另一个变量所引用的对象。
_db 和_dbBase 保留一个,_unitOfWork可以直接去掉
public SugarHandler(IUnitOfWork unitOfWork)
{
//_unitOfWork = unitOfWork;
_db = unitOfWork.GetDbClient();
}
internal ISqlSugarClient Db
{
get { return _db; }
}
//private readonly IUnitOfWork _unitOfWork;
private SqlSugarClient _db;
//private ISqlSugarClient _db => _dbBase;
btw:警告能不能都消一下?
1>D:\github\apevolo-api\ApeVolo.Common\SnowflakeIdHelper\SnowflakeIdWorker.cs(53,47,53,50): warning CS0628: “SnowflakeIdWorker.WorkerId.set”: 在密封类型中声明了新的保护成员
1>D:\github\apevolo-api\ApeVolo.Common\SnowflakeIdHelper\SnowflakeIdWorker.cs(54,51,54,54): warning CS0628: “SnowflakeIdWorker.DatacenterId.set”: 在密封类型中声明了新的保护成员
1>D:\github\apevolo-api\ApeVolo.Common\Extention\Ext.Byte.cs(163,20,163,45): warning SYSLIB0011: “IFormatter.Deserialize(Stream)”已过时:“BinaryFormatter serialization is obsolete and should not be used. See https://aka.ms/binaryformatter for more information.”
1>D:\github\apevolo-api\ApeVolo.Common\Caches\Redis\Service\MessageQueue\InitCore.cs(52,65,52,67): warning CS1998: 此异步方法缺少 "await" 运算符,将以同步方式运行。请考虑使用 "await" 运算符等待非阻止的 API 调用,或者使用 "await Task.Run(...)" 在后台线程上执行占用大量 CPU 的工作。
1>D:\github\apevolo-api\ApeVolo.Common\Helper\SaltKeyHelper.cs(18,28,18,52): warning SYSLIB0023: “RNGCryptoServiceProvider”已过时:“RNGCryptoServiceProvider is obsolete. To generate a random number, use one of the RandomNumberGenerator static methods instead.”
1>D:\github\apevolo-api\ApeVolo.Common\Extention\Ext.Object.cs(27,13,27,41): warning SYSLIB0011: “IFormatter.Serialize(Stream, object)”已过时:“BinaryFormatter serialization is obsolete and should not be used. See https://aka.ms/binaryformatter for more information.”
1>D:\github\apevolo-api\ApeVolo.Common\Extention\Ext.String.cs(186,29,186,54): warning SYSLIB0021: “SHA1CryptoServiceProvider”已过时:“Derived cryptographic types are obsolete. Use the Create method on the base type instead.”
1>D:\github\apevolo-api\ApeVolo.Common\Helper\HttpHelper.cs(160,50,160,75): warning SYSLIB0014: “WebRequest.Create(string)”已过时:“WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.”
1>D:\github\apevolo-api\ApeVolo.Common\Helper\HttpHelper.cs(321,61,321,83): warning SYSLIB0014: “WebRequest.Create(string)”已过时:“WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.”
1>D:\github\apevolo-api\ApeVolo.Common\Caches\Redis\Service\MessageQueue\InitCore.cs(175,69,175,71): warning CS1998: 此异步方法缺少 "await" 运算符,将以同步方式运行。请考虑使用 "await" 运算符等待非阻止的 API 调用,或者使用 "await Task.Run(...)" 在后台线程上执行占用大量 CPU 的工作。
1>D:\github\apevolo-api\ApeVolo.Common\Caches\Redis\Service\MessageQueue\InitCore.cs(96,45,96,47): warning CS1998: 此异步方法缺少 "await" 运算符,将以同步方式运行。请考虑使用 "await" 运算符等待非阻止的 API 调用,或者使用 "await Task.Run(...)" 在后台线程上执行占用大量 CPU 的工作。
1>D:\github\apevolo-api\ApeVolo.Common\Caches\Redis\Service\MessageQueue\ServiceCollectionExtensions.cs(19,77,19,87): warning CS1574: XML 注释中有未能解析的 cref 特性“CapOptions”
1>D:\github\apevolo-api\ApeVolo.Common\Caches\Redis\Service\MessageQueue\ServiceCollectionExtensions.cs(20,36,20,46): warning CS1574: XML 注释中有未能解析的 cref 特性“CapBuilder”
最后2个,我发了一个issue,wmowm/InitQ#8
AuditingFilter.cs(130,27,130,31): warning CS8604: “bool ExtObject.IsNull(object obj)”中的形参“obj”可能传入 null 引用实参。
Description = desc.IsNull() ? "" : ((DescriptionAttribute)desc).Description,
desc在此处可能为null。
需要修改为:
Description = desc == null ? "" : ((DescriptionAttribute)desc).Description,
或者修改为:(object加上?)
public static bool IsNotNull(this object? obj)
{
return obj != null;
}
IsNull封装null的判断的确
static readonly List<string> FxAssemblies = new List<string>
{ "ApeVolo.Repository", "ApeVolo.Business", "ApeVolo.IBusiness", "ApeVolo.Entity" };
static readonly List<string> EntityAssemblys = new List<string> { "ApeVolo.Entity" };
这些代码硬编码,不够灵活了
参考文章:https://dotnetcoretutorials.com/2020/07/03/getting-assemblies-is-harder-than-you-think-in-c/
var allTypes = new List<Type>();
var assemblyNames = Assembly.GetEntryAssembly()?.GetReferencedAssemblies().Where(x => x.Name != null && x.Name.StartsWith("ApeVolo.")); // .Select(r => r.FullName)
assemblyNames?.Select(r => Assembly.Load(r)).ToList().ForEach(a => allTypes.AddRange(a.GetTypes()));
FxAllTypes = allTypes;
// 实体
List<Type> entityTypes = new List<Type>();
Assembly.GetEntryAssembly()?.GetReferencedAssemblies()
.Where(x => x.Name != null && x.Name.Contains(".Entity"))
.Select(x => Assembly.Load(x)).ToList()
.ForEach(e => { entityTypes.AddRange(e.GetTypes()); });
//var entityAssemblys = EntityAssemblys.Select(x => Assembly.Load(x)).ToList();
//entityAssemblys.ForEach(entityAssembly => { entityTypes.AddRange(entityAssembly.GetTypes()); });
EntityTypes = entityTypes;
初始化数据库....
初始化数据库成功。
初始化数据表....
Entity:QuartzNet-->Table:sys_quartz_job-->Desc:作业调度-->创建完成!
Entity:QuartzNetLog-->Table:sys_quartz_job_log-->Desc:作业调度执行日志-->创建完成!
Entity:AuditLog-->Table:sys_audit_log-->Desc:审计日志表-->创建完成!
Entity:Log-->Table:sys_log-->Desc:系统日志表-->创建完成!
Entity:EmailAccount-->Table:sys_email_account-->Desc:邮件账户表-->创建完成!
Entity:MessageTemplate-->Table:sys_email_message_template-->Desc:邮件消息模板-->创建完成!
Entity:QueuedEmail-->Table:sys_queued_email-->Desc:邮件队列-->创建完成!
Entity:Dict-->Table:sys_dict-->Desc:字典表-->创建完成!
Entity:DictDetail-->Table:sys_dict_detail-->Desc:字典详细表-->创建完成!
Entity:AppSecret-->Table:sys_app_secret-->Desc:三方应用秘钥表-->创建完成!
Entity:Department-->Table:sys_department-->Desc:部门表-->创建完成!
Entity:FileRecord-->Table:sys_file_record-->Desc:文件记录表-->创建完成!
Entity:Job-->Table:sys_job-->Desc:岗位表-->创建完成!
Entity:Menu-->Table:sys_menu-->Desc:系统菜单表-->创建完成!
Entity:Role-->Table:sys_role-->Desc:角色表-->创建完成!
Entity:RoleMenu-->Table:sys_roles_menus-->Desc:角色与菜单关联表-->创建完成!
Entity:RolesDepartments-->Table:sys_roles_depts-->Desc:角色部门-->创建完成!
Entity:Setting-->Table:sys_setting-->Desc:系统设置表-->创建完成!
Entity:TestApeVolo-->Table:test_apevolo-->Desc:测试表-->创建完成!
Entity:User-->Table:sys_user-->Desc:系统用户表-->创建完成!
Entity:UserJobs-->Table:sys_users_jobs-->Desc:用户岗位关联表-->创建完成!
Entity:UserRoles-->Table:sys_users_roles-->Desc:用户角色关联表-->创建完成!
初始化数据表成功!
测试没有问题。
await Task.Run(async () =>
{
if (parameterInfos.Length == 0)
{
consumerExecutorDescriptor.MethodInfo.Invoke(obj, null);
}
else
{
object[] parameters = { res };
consumerExecutorDescriptor.MethodInfo.Invoke(obj, parameters);
}
});
这里的async需要去掉
/// <summary>
/// 计算SHA1摘要
/// </summary>
/// <param name="str">字符串</param>
/// <param name="encoding">编码</param>
/// <returns></returns>
public static byte[] ToSha1Bytes(this string str, Encoding encoding)
{
#pragma warning disable CS0618
SHA1 sha1 = new SHA1CryptoServiceProvider();
#pragma warning restore CS0618
byte[] inputBytes = encoding.GetBytes(str);
byte[] outputBytes = sha1.ComputeHash(inputBytes);
return outputBytes;
}
可以修改为:
/// <summary>
/// 计算SHA1摘要
/// </summary>
/// <param name="str">字符串</param>
/// <param name="encoding">编码</param>
/// <returns>返回SHA1摘要</returns>
public static byte[] ToSha1Bytes(this string str, Encoding encoding)
{
using var sha1 = SHA1.Create();
byte[] inputBytes = encoding.GetBytes(str);
return sha1.ComputeHash(inputBytes);
}
其实我应该给你pr的...不过提交pr改了的比较多,怕乱了版本
找轮子ing,被项目介绍吸引到了
直接下载源码,改Appsetting,vs2022直接跑,异常,_lock = null,看了下源码 :
public class LogHelper
{
static UsingLock _lock;
public LogHelper()
{
_lock = new UsingLock();
}
...
public static void WriteSqlLog(string filename, string[] dataParas, bool isHeader = true)
{
...
using (_lock.Write())//出问题的代码,未初始化直接使用
{
File.AppendAllText(logFilePath, logContent);
}
...
}
...
}
调用来源:LogHelper.WriteSqlLog(...);
这代码是不是有点不对 ?没有 new LogHelper >> 没初始化 _lock >> _lock.Write() 不就出错了 ?
默认配置理论上来说不少人跑过,没发现有人发现反馈,难道只有我出错了?我打开方式不对?
这问题倒是小问题,可直接跑默认设置都能出错,总感觉有点...
然后代码风格建议注意下,虽然说风格没有标准,但是项目中很多拼接和换行看起来还是怪怪的,比如这种:
if (isHeader)
{
logContent =
"--------------------------------\r\n" +
DateTime.Now + "|\r\n" +
string.Join("\r\n", dataParas) + "\r\n"
;
}
感觉这也太随意了点,身为深度强迫症的我表示...
还有,既然支持mssql,考虑下把兼容进一步处理下?不然切数据库还需要手动修正,也是个麻烦事儿,毕竟工程量也不小(这个纯个人建议,非bug,只是觉得如果项目主打易用性,这种小问题处理下更好).
话说回来,写文件好像不用锁? 设置共享模式,就没有文件占用问题?
Path = HttpContextCore.CurrentHttpContext.Request.Path.Value?.ToLower()
修改为:
Path = HttpContext.Request.Path.Value?.ToLower()
\Filter\AuditingFilter.cs 同样的问题,不需要通过AutofacHelper.GetService()去拿HttpContext
if (HttpContextCore.CurrentHttpContext.IsNotNull() && result != null)
{
var reqUrlPath = HttpContextCore.CurrentHttpContext.Request.Path.Value?.ToLower();
修改为
if (context.HttpContext.IsNotNull() && result != null)
{
var reqUrlPath = context.HttpContext.Request.Path.Value?.ToLower();
var auditLog = new AuditLog
{
Id = IdHelper.GetLongId(),
CreateBy = _currentUser.Name ?? "",
CreateTime = DateTime.Now,
Area = routeValues["area"],
Controller = routeValues["controller"],
Action = routeValues["action"],
Method = context.HttpContext.Request.Method,
Description = desc == null ? "" : ((DescriptionAttribute)desc).Description,
RequestUrl = HttpContextCore.CurrentHttpContext.Request.GetDisplayUrl() ?? "",
RequestParameters = decs.ToJson(),
BrowserName = browserName,
BrowserVersion = browserVersion,
BrowserOS = browserOS,
BrowserDeviceType = browserDeviceType,
RequestIp = remoteIpAddress,
IpAddress = IpHelper.GetIpAddress(remoteIpAddress)
};
var reqUrl = HttpContextCore.CurrentHttpContext.Request.Path.Value?.ToLower();
修改为:
var auditLog = new AuditLog
{
Id = IdHelper.GetLongId(),
CreateBy = _currentUser.Name ?? "",
CreateTime = DateTime.Now,
Area = routeValues["area"],
Controller = routeValues["controller"],
Action = routeValues["action"],
Method = context.HttpContext.Request.Method,
Description = desc == null ? "" : ((DescriptionAttribute)desc).Description,
RequestUrl = context.HttpContext.Request.GetDisplayUrl() ?? "",
RequestParameters = decs.ToJson(),
BrowserName = browserName,
BrowserVersion = browserVersion,
BrowserOS = browserOS,
BrowserDeviceType = browserDeviceType,
RequestIp = remoteIpAddress,
IpAddress = IpHelper.GetIpAddress(remoteIpAddress)
};
var reqUrl = context.HttpContext.Request.Path.Value?.ToLower();
\Filter\GlobalExceptionFilter.cs
context.Result = new ContentResult
{
Content = new ActionResultVm
{
Status = statusCode,
Error = GetExceptionError(statusCode),
Message = throwMsg,
Path = HttpContextCore.CurrentHttpContext.Request.Path.Value?.ToLower()
}.ToJson(),
ContentType = "application/json; charset=utf-8",
StatusCode = statusCode
};
修改为:
context.Result = new ContentResult
{
Content = new ActionResultVm
{
Status = statusCode,
Error = GetExceptionError(statusCode),
Message = throwMsg,
Path = context.HttpContext.Request.Path.Value?.ToLower()
}.ToJson(),
ContentType = "application/json; charset=utf-8",
StatusCode = statusCode
};
WriteLog(ExceptionContext context) 这个方法
```
HttpContextCore.CurrentHttpContext.Request.GetDisplayUrl() ?? "", context.HttpContext.Request.Method,
HttpContextCore.CurrentHttpContext.Request.Body.ReadToString() ?? "", _currentUser.Name ?? "",
修改为:
```
context.HttpContext.Request.GetDisplayUrl() ?? "", context.HttpContext.Request.Method,
context.HttpContext.Request.Body.ReadToString() ?? "", _currentUser.Name ?? "",
RequestUrl = HttpContextCore.CurrentHttpContext.Request.GetDisplayUrl() ?? "",
修改为:
RequestUrl = context.HttpContext.Request.GetDisplayUrl() ?? "",
关于HttpContext:
HttpContext 不是线程安全型。
请勿在并行任务中引用 HttpContext 数据。 在开始并行任务之前,从上下文中提取所需的数据。
在处理请求之外读取或写入 HttpContext 的属性可能会导致 [NullReferenceException]
(https://docs.microsoft.com/zh-cn/dotnet/api/system.nullreferenceexception)。
HttpContextCore.CurrentHttpContext 是静态调用,这个在后台处理的部分代码会抛NullReferenceException,HttpContext 是不太推荐被静态使用,主要是这里的问题。
共享使用单一实例HttpContext我记得是有问题的,不太推荐这种静态调用的写法
//Swagger UI
app.UseSwaggerMiddleware(() =>
GetType().GetTypeInfo().Assembly.GetManifestResourceStream("ApeVolo.Api.index.html"));
GetManifestResourceStream的返回值有可能为null
UseSwaggerMiddleware 的定义 需要修改为
public static void UseSwaggerMiddleware(this IApplicationBuilder app, Func<Stream?> streamHtml)
//
// 摘要:
// Loads the specified manifest resource from this assembly.
//
// 参数:
// name:
// The case-sensitive name of the manifest resource being requested.
//
// 返回结果:
// The manifest resource; or null if no resources were specified during compilation
// or if the resource is not visible to the caller.
//
// 异常:
// T:System.ArgumentNullException:
// The name parameter is null.
//
// T:System.ArgumentException:
// The name parameter is an empty string ("").
//
// T:System.IO.FileLoadException:
// A file that was found could not be loaded. Note: In .NET for Windows Store apps
// or the Portable Class Library, catch the base class exception, System.IO.IOException,
// instead.
//
// T:System.IO.FileNotFoundException:
// name was not found.
//
// T:System.BadImageFormatException:
// name is not a valid assembly.
//
// T:System.NotImplementedException:
// Resource length is greater than System.Int64.MaxValue.
public virtual Stream? GetManifestResourceStream(string name);
开发文档: http://doc.apevolo.com/
这个网站挂了
/// <summary>
/// Creates a salt
/// </summary>
/// <param name="size">A salt size</param>
/// <returns>A salt</returns>
public static string CreateSalt(int size)
{
#pragma warning disable CS0618
var provider = new RNGCryptoServiceProvider();
#pragma warning restore CS0618
byte[] data = new byte[size];
provider.GetBytes(data);
return Convert.ToBase64String(data);
}
RNGCryptoServiceProvider过期了,随机盐的算法可以修改为:
/// <summary>
/// Creates a salt
/// </summary>
/// <param name="size">A salt size</param>
/// <returns>A salt</returns>
public static string CreateSalt(int size)
{
var random = RandomNumberGenerator.Create();
byte[] bytes = new byte[size];
random.GetNonZeroBytes(bytes);
return Convert.ToBase64String(bytes);
}
运行这个代码:
var salt = SaltKeyHelper.CreateSalt(128);
salt的值:
MDk9cFCouGfI2LSMEiJ6ct0Bijmk7NLYnUitgrxgPjJ/Gl5itTIvSmp+C3Vq6vNw91MWFqCWJkx8qpqFXc4GQ47gSyaaaYYBaYwLswcLhVAtfu5ans+lx+PElls6vL1iqikmAZ9zJfozNBE6lExNMCcEjtPY4kM5B2w9GjnpxjE=
如果使用
/// <summary>
/// Creates a salt
/// </summary>
/// <param name="size">A salt size</param>
/// <returns>A salt</returns>
public static string CreateSalt(int size)
{
var random = RandomNumberGenerator.Create();
byte[] bytes = new byte[size];
random.GetNonZeroBytes(bytes);
return BitConverter.ToString(bytes).Replace("-", "");
}
再运行这个代码:
var salt = SaltKeyHelper.CreateSalt(128);
salt的值:
559B8B08B3E016F70C13D5755E553562FE60E76A9AF055E1A2C3DD1E200E32E2BD1B4C91A9B44E4EB83320B94FE14343A417D4114F05F41C0CB83D191F9CB2ACA04D18332FEFEA67F29E245867F97A4D08485DF4456B2032792FEA0D12CDBCF15FD3D55892205C50DC939A3DDF82966531827E470974D4820D6E4EA6B85A5324
你喜欢哪个随机盐呢?base64编码看上去用的字符数量要少一些
/// <summary>
/// 获取客户端IP地址
/// </summary>
/// <returns></returns>
public static string GetIp()
{
if (HttpContextCore.CurrentHttpContext.Connection.RemoteIpAddress != null)
return HttpContextCore.CurrentHttpContext.Connection.RemoteIpAddress.ToString();
return "0.0.0.0";
}
修改为:
/// <summary>
/// 获取客户端IP地址
/// </summary>
/// <returns></returns>
public static string GetIp()
{
return HttpContextCore.CurrentHttpContext.Connection.RemoteIpAddress?.ToString() ?? "0.0.0.0";
}
我对CurrentHttpContext这里的定义是有点疑问的,因为这个是静态类,如果高并发的时候,会不会拿不到正确的值?
我建议在控制器Controller里获取以后,作为参数传入,从Controller拿到的客户端IP肯定是正确的。
例如:\Controllers\AuthorizationController.cs
bool isTrue = await _onlineUserService.SaveAsync(jwtUserVo, token.ToString().Replace("Bearer ", ""));
修改为:
// 保存在线信息
string ipAddress = HttpContext.Connection.RemoteIpAddress?.ToString() ?? "0.0.0.0";
bool isTrue = await _onlineUserService.SaveAsync(jwtUserVo, token.ToString().Replace("Bearer ", ""), ipAddress);
\Core\IOnlineUserService.cs方法SaveAsync加上参数string ipAddress
/// <summary>
/// 保存在线用户
/// </summary>
/// <param name="jwtUserVo"></param>
/// <param name="token"></param>
/// <param name="remoteIpAddress">客户端IP地址</param>
Task<bool> SaveAsync(JwtUserVo jwtUserVo, string token, string remoteIpAddress);
\Core\OnlineUserService.cs 方法SaveAsync加上参数string remoteIpAddress
/// <summary>
/// 保存在线用户
/// </summary>
/// <param name="jwtUserVo"></param>
/// <param name="token"></param>
/// <param name="remoteIpAddress">客户端IP地址</param>
public async Task<bool> SaveAsync(JwtUserVo jwtUserVo, string token, string remoteIpAddress)
{
string browser = IpHelper.GetBrowserName();
string address = IpHelper.GetIpAddress();
OnlineUser onlineUser = new OnlineUser
{
UserId = jwtUserVo.User.Id,
UserName = jwtUserVo.User.Username,
NickName = jwtUserVo.User.NickName,
Dept = jwtUserVo.User.Dept.Name,
Browser = browser,
Ip = remoteIpAddress,
// [AttributeUsage(AttributeTargets.Method)]
public class ApeVoloRequiredAttribute : Attribute
{
/// <summary>
/// 验证失败说明内容
/// </summary>
public string? Message { get; set; }
}
修改为:
[AttributeUsage(AttributeTargets.Field|AttributeTargets.Property)]
public class ApeVoloRequiredAttribute : Attribute
{
/// <summary>
/// 验证失败说明内容
/// </summary>
public string? Message { get; set; }
}
我看了下ApeVoloRequired的代码,都是属性,改成下面也可以
[AttributeUsage(AttributeTargets.Property)]
public class ApeVoloRequiredAttribute : Attribute
{
/// <summary>
/// 验证失败说明内容
/// </summary>
public string? Message { get; set; }
}
关于AttributeTargets枚举参考:
https://docs.microsoft.com/zh-cn/dotnet/api/system.attributetargets?view=net-6.0
无法打开 开发文档: http://doc.apevolo.com/
var value = pi.GetValue(entity, null);
var dtlType = pi.PropertyType.Name;
if (dtlType == "Int32")
{
if ((dynamic)value < 0)
{
isTrue = false;
break;
}
}
if (dtlType == "List`1")
{
var list = (dynamic)value;
if (list == null || list.Count < 1)
{
isTrue = false;
break;
}
}
除了这个null的问题外,其实这里的逻辑是不是有点小问题?
既然是用 ApeVoloRequiredAttribute 来判断Required的逻辑
if (value == null)
{
isTrue = false;
break;
}
这个代码是否应该放到 var value = pi.GetValue(entity, null);的后面?
// ...
var redisCacheService = AutofacHelper.GetService<IRedisCacheService>();
// ...
// ...
var appSecretModel = await AutofacHelper.GetService<IAppSecretService>()
.QueryFirstAsync(x => x.IsDeleted == false && x.AppId == appId);
// ...
VerifySignatureAttribute是Attribute,注入有几种办法,参考下面链接
https://www.andybutland.dev/2020/06/dependency-injection-in-aspnet-core-attributes.html
最简单的就是直接用ActionExecutingContext filterContext
var redisCacheService = filterContext.HttpContext.RequestServices.GetRequiredService<IRedisCacheService>();
var appSecretModel = await filterContext.HttpContext.RequestServices.GetRequiredService<IAppSecretService>().FirstAsync(x => x.IsDeleted == false && x.AppId == appId);
对于 TokenFilterAttribute.cs
//private readonly IHttpContextAccessor _accessor = AutofacHelper.GetService<IHttpContextAccessor>();
//private readonly ICurrentUser _currentUser = AutofacHelper.GetService<ICurrentUser>();
public override async Task OnActionExecuting(ActionExecutingContext context)
{
try
{
var accessor = context.HttpContext.RequestServices.GetRequiredService<IHttpContextAccessor>();
var currentUser = context.HttpContext.RequestServices.GetRequiredService<ICurrentUser>();
下面基于TypeFilterAttribute的定义技巧我觉得也不错,这样将过滤器用于给定的控制器或操作方法不过于冗长
对这个感兴趣,可以阅读下文中的链接。
public class AddRandomNumberHeader2Attribute : TypeFilterAttribute
{
public AddRandomNumberHeader2Attribute() : base(typeof(AddRandomNumberHeader2Filter))
{
}
private class AddRandomNumberHeader2Filter : IResultFilter
{
private readonly IRandomNumberService _randomNumberService;
public AddRandomNumberHeader2Filter(IRandomNumberService randomNumberService)
{
_randomNumberService = randomNumberService;
}
public void OnResultExecuted(ResultExecutedContext context)
{
}
public void OnResultExecuting(ResultExecutingContext context)
{
context.HttpContext.Response.Headers.Add("X_Random_Number_3", _randomNumberService.GetRandomInteger().ToString());
}
}
}
[AddRandomNumberHeader2]
public IActionResult Index()
{
return Content("Hello world.");
}
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