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wanyongkang
214
Infrastructure/ServiceClient/Alipay.AopSdk.Core/Util/WebUtils.cs
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214
Infrastructure/ServiceClient/Alipay.AopSdk.Core/Util/WebUtils.cs
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Net;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Text;
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using System.Threading.Tasks;
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using System.Web;
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namespace Alipay.AopSdk.Core.Util
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{
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/// <summary>
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/// 网络工具类。
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/// </summary>
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public sealed class WebUtils
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{
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internal readonly WebUtilsHttpConnectionPool ConnectionPool;
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public WebUtils(string server,int poolSize=30)
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{
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ConnectionPool = new WebUtilsHttpConnectionPool(server, poolSize);
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}
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/// <summary>
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/// 执行HTTP POST请求。
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/// </summary>
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/// <param name="url">请求地址</param>
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/// <param name="parameters">请求参数</param>
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/// <param name="charset">编码字符集</param>
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/// <returns>HTTP响应</returns>
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public string DoPost(string url, IDictionary<string, string> parameters, string charset)
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{
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return AsyncHelper.RunSync(async () => await DoPostAsync(url,parameters,charset));
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}
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/// <summary>
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/// 执行HTTP POST请求。
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/// </summary>
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/// <param name="url">请求地址</param>
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/// <param name="parameters">请求参数</param>
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/// <param name="charset">编码字符集</param>
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/// <returns>HTTP响应</returns>
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public async Task<string> DoPostAsync(string url, IDictionary<string, string> parameters, string charset)
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{
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try
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{
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var encoding = Encoding.GetEncoding(charset);
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var client = ConnectionPool.GetClient();
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var query = new Uri(url).Query;
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var content = new StringContent(BuildQuery(parameters, charset), encoding, "application/x-www-form-urlencoded");
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var resp = await client.PostAsync(query, content);
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var result = await resp.Content.ReadAsStringAsync();
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ConnectionPool.ReturnClient(client);
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.ToString());
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throw e;
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}
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}
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public string DoGet(string url, IDictionary<string, string> parameters, string charset)
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{
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return AsyncHelper.RunSync(async () => await DoGetAsync(url, parameters, charset));
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}
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/// <summary>
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/// 执行HTTP GET请求。
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/// </summary>
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/// <param name="url">请求地址</param>
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/// <param name="parameters">请求参数</param>
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/// <param name="charset">编码字符集</param>
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/// <returns>HTTP响应</returns>
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public async Task<string> DoGetAsync(string url, IDictionary<string, string> parameters, string charset)
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{
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try
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{
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if (parameters != null && parameters.Count > 0)
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if (url.Contains("?"))
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url = url + "&" + BuildQuery(parameters, charset);
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else
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url = url + "?" + BuildQuery(parameters, charset);
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var query = new Uri(url).Query;
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var client = ConnectionPool.GetClient();
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var result = await client.GetStringAsync(query);
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ConnectionPool.ReturnClient(client);
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e);
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throw;
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}
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}
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/// <summary>
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/// 执行带文件上传的HTTP POST请求。
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/// </summary>
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/// <param name="url">请求地址</param>
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/// <param name="textParams">请求文本参数</param>
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/// <param name="fileParams">请求文件参数</param>
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/// <param name="charset">编码字符集</param>
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/// <returns>HTTP响应</returns>
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public string DoPost(string url, IDictionary<string, string> textParams,
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IDictionary<string, FileItem> fileParams,
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string charset)
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{
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return AsyncHelper.RunSync(async () => await DoPostAsync(url, textParams, fileParams, charset));
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}
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/// <summary>
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/// 执行带文件上传的HTTP POST请求。
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/// </summary>
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/// <param name="url">请求地址</param>
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/// <param name="textParams">请求文本参数</param>
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/// <param name="fileParams">请求文件参数</param>
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/// <param name="charset">编码字符集</param>
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/// <returns>HTTP响应</returns>
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public async Task<string> DoPostAsync(string url, IDictionary<string, string> textParams, IDictionary<string, FileItem> fileParams,
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string charset)
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{
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// 如果没有文件参数，则走普通POST请求
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if (fileParams == null || fileParams.Count == 0)
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return await DoPostAsync(url, textParams, charset);
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var encoding = Encoding.GetEncoding(charset);
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var client = ConnectionPool.GetClient();
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var query = new Uri(url).Query;
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using (var content = new MultipartFormDataContent("Upload----" + DateTime.Now.ToString(CultureInfo.InvariantCulture)))
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{
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// 组装文本请求参数
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using (var textEnum = textParams.GetEnumerator())
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{
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while (textEnum.MoveNext())
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{
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var streamContent = new StreamContent(new MemoryStream(encoding.GetBytes(textEnum.Current.Value)));
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streamContent.Headers.ContentType = new MediaTypeHeaderValue("text/plain");
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// streamContent.Headers.ContentDisposition=new ContentDispositionHeaderValue($"form-data;name=\"logo.jpg\"");
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// streamContent.Headers.ContentDisposition=new ContentDispositionHeaderValue($"form-data;name=\"{textEnum.Current.Key}\"");
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content.Add(streamContent, textEnum.Current.Key);
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}
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}
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// 组装文件请求参数
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using (var fileEnum = fileParams.GetEnumerator())
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{
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while (fileEnum.MoveNext())
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{
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var key = fileEnum.Current.Key;
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var fileItem = fileEnum.Current.Value;
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var streamContent = new StreamContent(new MemoryStream(fileItem.GetContent()));
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streamContent.Headers.ContentType = new MediaTypeHeaderValue(fileItem.GetMimeType());
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// streamContent.Headers.ContentDisposition = new ContentDispositionHeaderValue($"form-data;name=\"{key}\";filename=\"{fileItem.GetFileName()}\"");
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content.Add(streamContent,key,fileItem.GetFileName());
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}
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}
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var resp = await client.PostAsync(query, content);
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var result = await resp.Content.ReadAsStringAsync();
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ConnectionPool.ReturnClient(client);
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return result;
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}
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}
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/// <summary>
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/// 组装普通文本请求参数。
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/// </summary>
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/// <param name="parameters">Key-Value形式请求参数字典</param>
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/// <param name="charset">编码</param>
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/// <returns>URL编码后的请求数据</returns>
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public static string BuildQuery(IDictionary<string, string> parameters, string charset)
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{
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var postData = new StringBuilder();
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var hasParam = false;
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using (var dem = parameters.GetEnumerator())
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{
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while (dem.MoveNext())
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{
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var name = dem.Current.Key;
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var value = dem.Current.Value;
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// 忽略参数名或参数值为空的参数
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if (!string.IsNullOrEmpty(name) && !string.IsNullOrEmpty(value))
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{
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if (hasParam)
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postData.Append("&");
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postData.Append(name);
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postData.Append("=");
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var encodedValue = HttpUtility.UrlEncode(value, Encoding.GetEncoding(charset));
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postData.Append(encodedValue);
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hasParam = true;
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}
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}
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return postData.ToString();
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}
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}
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}
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}
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