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小编给大家分享一下ASP.NET MVC如何实现API接口验证,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!
1、WebApiConfig全局处理
/// <summary> /// WebApiConfig /// 路由基础配置。 /// /// /// 修改记录 /// /// 2016.11.01 版本:2.0 宋彪 对日期格式进行统一处理。 /// 2016.10.30 版本:2.0 宋彪 解决json序列化时的循环引用问题。 /// 2016.10.28 版本:2.0 宋彪 回传响应格式 $format 支持。 /// 2016.09.01 版本:1.0 宋彪 创建。 /// /// 版本:1.0 /// /// <author> /// <name>宋彪</name> /// <date>2016.09.01</date> /// </author> /// </summary> public static class WebApiConfig { /// <summary> /// 注册全局配置服务 /// </summary> /// <param name="config"></param> public static void Register(HttpConfiguration config) { // Web API configuration and services //强制https访问 //config.Filters.Add(new ForceHttpsAttribute()); // 统一回传格式 config.Filters.Add(new ApiResultAttribute()); // 发生异常时处理 config.Filters.Add(new ApiErrorHandleAttribute()); // ToKen身份验证过滤器 更方便 不需要在这里了 具有改标签的就会自动检查 //config.Filters.Add(new ApiAuthFilterAttribute()); // 解决json序列化时的循环引用问题 config.Formatters.JsonFormatter.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore; //对日期格式进行统一处理 config.Formatters.JsonFormatter.SerializerSettings.Converters.Add( new IsoDateTimeConverter() { DateTimeFormat = "yyyy-MM-dd hh:mm:ss" } ); // Web API routes 路由 config.MapHttpAttributeRoutes(); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{action}/{id}", defaults: new { id = RouteParameter.Optional } ); // 干掉XML序列化器 //config.Formatters.Remove(config.Formatters.XmlFormatter); //在请求的Url加上 ?$format=xml,便可以指定响应格式 config.Formatters.XmlFormatter.AddQueryStringMapping("$format", "xml", "application/xml"); config.Formatters.JsonFormatter.AddQueryStringMapping("$format", "json", "application/json"); } }
2、身份验证过滤器
using DotNet.Business; using DotNet.Utilities; using DotNet.Tracking.API.Common; /// <summary> /// ApiAuthFilterAttribute /// 身份验证过滤器,具有ApiAuthFilterAttribute标签属性的方法会自动检查 /// /// /// 修改纪录 /// /// 2016-10-11 版本:1.0 SongBiao 创建文件。 /// /// <author> /// <name>SongBiao</name> /// <date>2016-10-11</date> /// </author> /// </summary> [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = true)] public class ApiAuthFilterAttribute : AuthorizationFilterAttribute { /// <summary> /// 未授权时的提示信息 /// </summary> private const string UnauthorizedMessage = "请求未授权,拒绝访问。"; /// <summary> /// 权限进入 /// </summary> /// <param name="actionContext"></param> public override void OnAuthorization(HttpActionContext actionContext) { base.OnAuthorization(actionContext); // 允许匿名访问 if (actionContext.ActionDescriptor.GetCustomAttributes<AllowAnonymousAttribute>().Count > 0) { return; } string systemCode = APIOperateContext.Current.SystemCode; string permissionCode = APIOperateContext.Current.PermissionCode; string appKey = APIOperateContext.Current.AppKey; string appSecret = APIOperateContext.Current.AppSecret; if (string.IsNullOrWhiteSpace(appKey) || string.IsNullOrWhiteSpace(appSecret)) { //未验证(登录)的用户, 而且是非匿名访问,则转向登录页面 //actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.Unauthorized); //actionContext.Response.Content = new StringContent("<p>Unauthorized</p>", Encoding.UTF8, "text/html"); var response = actionContext.Response= actionContext.Response?? new HttpResponseMessage(); response.StatusCode = HttpStatusCode.Unauthorized; BaseResult result = new BaseResult { Status = false, StatusMessage = UnauthorizedMessage }; response.Content = new StringContent(result.ToJson(), Encoding.UTF8, "application/json"); } else { // 检查 AppKey 和 AppSecret BaseResult result = BaseServicesLicenseManager.CheckService(appKey, appSecret, false, 0, 0, systemCode, permissionCode); if (!result.Status) { var response = actionContext.Response = actionContext.Response?? new HttpResponseMessage(); response.Content = new StringContent(result.ToJson(), Encoding.UTF8, "application/json"); } } } }
3、统一回传格式
/// <summary> /// ApiResultAttribute /// 统一回传格式 /// /// 修改纪录 /// /// 2016-10-31 版本:1.0 宋彪 创建文件。 /// /// <author> /// <name>宋彪</name> /// <date>2016-10-31</date> /// </author> /// </summary> public class ApiResultAttribute : ActionFilterAttribute { /// <summary> /// 重写回传的处理 /// </summary> /// <param name="actionExecutedContext"></param> public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext) { // 快件跟踪接口传的是format,不用走这里 if (actionExecutedContext.Request.Properties.ContainsKey("format")) { // 若发生例外则不在这边处理 在异常中处理 ApiErrorHandleAttribute if (actionExecutedContext.Exception != null) return; base.OnActionExecuted(actionExecutedContext); var result = new ApiResultModel(); // 取得由 API 返回的状态码 result.Status = actionExecutedContext.ActionContext.Response.StatusCode; // 取得由 API 返回的资料 result.Data = actionExecutedContext.ActionContext.Response.Content.ReadAsAsync<object>().Result; // 重新封装回传格式 actionExecutedContext.Response = actionExecutedContext.Request.CreateResponse(result.Status, result); } } }
4、全局异常处理
using DotNet.Utilities; using DotNet.Tracking.API.Common; using DotNet.Tracking.API.Controllers; using DotNet.Tracking.API.Models; /// <summary> /// ApiErrorHandleAttribute /// 全局异常处理 /// /// 修改纪录 /// /// 2016-10-31 版本:1.0 宋彪 创建文件。 /// /// <author> /// <name>宋彪</name> /// <date>2016-10-31</date> /// </author> /// </summary> public class ApiErrorHandleAttribute : System.Web.Http.Filters.ExceptionFilterAttribute { /// <summary> /// 异常统一处理 /// </summary> /// <param name="actionExecutedContext"></param> public override void OnException(System.Web.Http.Filters.HttpActionExecutedContext actionExecutedContext) { base.OnException(actionExecutedContext); // 取得发生例外时的错误讯息 var errorMessage = actionExecutedContext.Exception.Message; // 异常记录 string parameters = APIOperateContext.GetRequestParameters(); NLogHelper.Trace(actionExecutedContext.Exception, BaseSystemInfo.SystemCode + " ApiErrorHandleAttribute OnException 完整的请求地址及参数 : " + parameters); // 2016-11-01 加入异常邮件提醒 NLogHelper.InfoMail(actionExecutedContext.Exception, BaseSystemInfo.SystemCode + " ApiErrorHandleAttribute OnException 完整的请求地址及参数 : " + parameters); var result = new ApiResultModel() { Status = HttpStatusCode.BadRequest, ErrorMessage = errorMessage }; // 重新打包回传的讯息 actionExecutedContext.Response = actionExecutedContext.Request.CreateResponse(result.Status, result); } }
5、接口操作的上下文
using DotNet.Business; using DotNet.Model; using DotNet.Utilities; /// <summary> /// APIOperateContext /// 接口操作的上下文 /// 跟上下文有关的一些通用的东西放在这里处理 /// /// 修改纪录 /// /// 2016-10-31 版本:1.0 宋彪 创建文件。 /// /// <author> /// <name>宋彪</name> /// <date>2016-10-31</date> /// </author> /// </summary> public class APIOperateContext { /// <summary> /// 获取当前 操作上下文 (为每个处理浏览器请求的服务器线程 单独创建 操作上下文) /// </summary> public static APIOperateContext Current { get { APIOperateContext oContext = CallContext.GetData(typeof(APIOperateContext).Name) as APIOperateContext; if (oContext == null) { oContext = new APIOperateContext(); CallContext.SetData(typeof(APIOperateContext).Name, oContext); } return oContext; } } #region Http上下文 及 相关属性 /// <summary> /// Http上下文 /// </summary> public HttpContext ContextHttp { get { return HttpContext.Current; } } /// <summary> /// 输出对象 /// </summary> public HttpResponse Response { get { return ContextHttp.Response; } } /// <summary> /// 请求对象 /// </summary> public HttpRequest Request { get { return ContextHttp.Request; } } /// <summary> /// Session对象 /// </summary> System.Web.SessionState.HttpSessionState Session { get { return ContextHttp.Session; } } #endregion /// <summary> /// 获取全部请求参数,get和post的 简化版 /// </summary> public static string GetRequestParameters() { string query = HttpContext.Current.Request.Url.Query; NameValueCollection nvc; string baseUrl; ParseUrl(query, out baseUrl, out nvc); List<string> list = new List<string>() { }; foreach (var key in nvc.AllKeys) { list.Add(key + "=" + nvc[key]); } var form = HttpContext.Current.Request.Form; foreach (var key in form.AllKeys) { list.Add(key + "=" + form[key]); } string result = HttpContext.Current.Request.Url.AbsoluteUri + "?" + string.Join("&", list); return result; } /// <summary> /// 分析 url 字符串中的参数信息 /// 针对get请求的 /// </summary> /// <param name="url">输入的 URL</param> /// <param name="baseUrl">输出 URL 的基础部分</param> /// <param name="nvc">输出分析后得到的 (参数名,参数值) 的集合</param> public static void ParseUrl(string url, out string baseUrl, out NameValueCollection nvc) { if (url == null) { throw new ArgumentNullException("url"); } nvc = new NameValueCollection(); baseUrl = ""; if (url == "") { return; } int questionMarkIndex = url.IndexOf('?'); if (questionMarkIndex == -1) { baseUrl = url; return; } baseUrl = url.Substring(0, questionMarkIndex); if (questionMarkIndex == url.Length - 1) { return; } string ps = url.Substring(questionMarkIndex + 1); // 开始分析参数对 Regex re = new Regex(@"(^|&)?(\w+)=([^&]+)(&|$)?", RegexOptions.Compiled); MatchCollection mc = re.Matches(ps); foreach (Match m in mc) { nvc.Add(m.Result("$2").ToLower(), m.Result("$3")); } } /// <summary> /// 系统编号 /// </summary> public string SystemCode { get { return Request["systemCode"] ?? "Base"; } } /// <summary> /// 权限编号 /// </summary> public string PermissionCode { get { return Request["permissionCode"]; } } /// <summary> /// 访问接口的应用传来AppKey /// </summary> public string AppKey { get { return Request["appKey"]; } } /// <summary> /// 访问接口的应用传来AppSecret /// </summary> public string AppSecret { get { return Request["appSecret"]; } } private BaseUserInfo _userInfo = null; /// <summary> /// 获取当前用户 /// 通过接口AppKey和AppSecret获取的用户 /// </summary> /// <returns></returns> public BaseUserInfo UserInfo { get { BaseUserInfo userInfo = null; BaseUserEntity userEntity = BaseUserManager.GetObjectByCodeByCache(AppKey); if (userEntity != null) { if (BaseServicesLicenseManager.CheckServiceByCache(userEntity.Id, AppSecret)) { userInfo = new BaseUserInfo(); userInfo.Id = userEntity.Id; userInfo.RealName = userEntity.RealName; userInfo.UserName = userEntity.UserName; userInfo.IPAddress = Utilities.GetIPAddress(true); } } return userInfo; } } #region 业务库连接 /// <summary> /// 业务库连接 /// </summary> public static IDbHelper BusinessDbHelper { get { return DbHelperFactory.GetHelper(BaseSystemInfo.BusinessDbType, BaseSystemInfo.BusinessDbConnection); } } #endregion #region 用户中心库连接 /// <summary> /// 用户中心库连接 /// </summary> public static IDbHelper UserCenterDbHelper { get { return DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType, BaseSystemInfo.UserCenterDbConnection); } } #endregion }
7、统一回传格式实体
/// <summary> /// ApiResultModel /// 统一回传格式实体 /// /// 修改纪录 /// /// 2016-10-31 版本:1.0 宋彪 创建文件。 /// /// <author> /// <name>宋彪</name> /// <date>2016-10-31</date> /// </author> /// </summary> public class ApiResultModel { public HttpStatusCode Status { get; set; } //public JsonResult<T> Data { get; set; } public object Data { get; set; } public string ErrorMessage { get; set; } }
8、留言相关接口
/// <summary> /// MessageBookController /// 留言相关接口 /// /// 修改纪录 /// /// 2016-10-31 版本:1.0 宋彪 创建文件。 /// /// <author> /// <name>宋彪</name> /// <date>2016-10-31</date> /// </author> /// </summary> [ApiAuthFilter] public class CustomerMessageController : ApiController { /// <summary> /// 保存单号留言信息 /// </summary> /// <param name="messageBook"></param> /// <returns></returns> [HttpPost] //[AllowAnonymous] 不需要验证的就加这个标签 public IHttpActionResult Add([FromBody]MsgbookCusEntity messageBook) { BaseResult baseResult = new BaseResult(); if (string.IsNullOrWhiteSpace(messageBook.SystemFrom)) { baseResult.Status = false; baseResult.StatusMessage = "SystemFrom参数不可为空"; } else { try { MsgbookCusManager manager = new MsgbookCusManager(APIOperateContext.BusinessDbHelper, APIOperateContext.Current.UserInfo); MsgbookCusEntity model = new MsgbookCusEntity(); model.Id = Guid.NewGuid().ToString("N"); model.Message = messageBook.Message; model.SendEmail = messageBook.SendEmail; model.SendTelephone = messageBook.SendTelephone; model.Message = messageBook.Message; model.BillCode = messageBook.BillCode; model.SystemFrom = messageBook.SystemFrom; model.DeletionStateCode = 0; manager.Add(model, false, false); baseResult.Status = true; baseResult.StatusMessage = "添加成功。"; } catch (Exception ex) { NLogHelper.Warn(ex, "CustomerMessageController AddBillMessage 异常"); baseResult.Status = false; baseResult.StatusMessage = "异常:" + ex.Message; } } return Ok(baseResult); } /// <summary> /// 获取某个单号的留言 /// </summary> /// <param name="billCode"></param> /// <returns></returns> [HttpGet] public IHttpActionResult GetList(string billCode) { JsonResult<List<MsgbookCusEntity>> jsonResult = new JsonResult<List<MsgbookCusEntity>>(); try { MsgbookCusManager manager = new MsgbookCusManager(APIOperateContext.BusinessDbHelper, APIOperateContext.Current.UserInfo); List<MsgbookCusEntity> list = new List<MsgbookCusEntity>(); list = manager.GetList<MsgbookCusEntity>(new KeyValuePair<string, object>(MsgbookCusEntity.FieldBillCode, billCode) , new KeyValuePair<string, object>(MsgbookCusEntity.FieldDeletionStateCode, 0)); jsonResult.Status = true; jsonResult.RecordCount = list.Count; jsonResult.Data = list; jsonResult.StatusMessage = "获取成功"; } catch (Exception ex) { NLogHelper.Warn(ex, "CustomerMessageController AddBillMessage 异常"); jsonResult.Status = false; jsonResult.StatusMessage = "异常:" + ex.Message; } return Ok(jsonResult); } }
9、接口调用方法
/// <summary> /// 测试留言接口调用 /// </summary> /// <returns></returns> public ActionResult AddCustomerMessage() { string url = "http://192.168.1.88:808/api/CustomerMessage/Add?"; WebClient webClient = new WebClient(); NameValueCollection postValues = new NameValueCollection(); postValues.Add("Message", "填写您的留言内容吧"); postValues.Add("SendEmail", "youemail@qq.com"); postValues.Add("SendTelephone", "021-60375335"); postValues.Add("Code", "661137858"); postValues.Add("AppKey", "wssavbcn"); postValues.Add("AppSecret", "350e66b1e6564b0a817163erwwwwe8"); postValues.Add("SystemFrom", "官网"); byte[] responseArray = webClient.UploadValues(url, postValues); string response = Encoding.UTF8.GetString(responseArray); return Content(response); }
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