using MailKit;
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using MailKit.Net.Smtp;
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using MailKit.Security;
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using MimeKit;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Tiger.IBusiness;
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using Tiger.Model;
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namespace Tiger.Business
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{
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/// <summary>
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/// 邮件服务API
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/// </summary>
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public class MailServiceApi: IMailServiceApi
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{
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/// <summary>
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/// 发送邮件
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/// </summary>
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/// <param name="mailBodyEntity">邮件基础信息</param>
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/// <param name="sendServerConfiguration">发件人基础信息</param>
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public SendResultEntity SendMail(MailBodyEntity mailBodyEntity,
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SendServerConfigurationEntity sendServerConfiguration)
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{
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if (sendServerConfiguration == null)
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{
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throw new ArgumentNullException();
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}
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if (sendServerConfiguration == null)
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{
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throw new ArgumentNullException();
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}
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var sendResultEntity = new SendResultEntity();
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using (var client = new SmtpClient()) //new SmtpClient(new ProtocolLogger(CreateMailLog())))
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{
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client.ServerCertificateValidationCallback = (s, c, h, e) => true;
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Connection(mailBodyEntity, sendServerConfiguration, client, sendResultEntity);
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if (sendResultEntity.ResultStatus == false)
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{
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return sendResultEntity;
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}
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SmtpClientBaseMessage(client);
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Authenticate(mailBodyEntity, sendServerConfiguration, client, sendResultEntity);
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if (sendResultEntity.ResultStatus == false)
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{
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return sendResultEntity;
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}
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Send(mailBodyEntity, sendServerConfiguration, client, sendResultEntity);
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if (sendResultEntity.ResultStatus == false)
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{
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return sendResultEntity;
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}
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client.Disconnect(true);
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}
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return sendResultEntity;
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}
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/// <summary>
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/// 连接服务器
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/// </summary>
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/// <param name="mailBodyEntity">邮件内容</param>
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/// <param name="sendServerConfiguration">发送配置</param>
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/// <param name="client">客户端对象</param>
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/// <param name="sendResultEntity">发送结果</param>
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public void Connection(MailBodyEntity mailBodyEntity, SendServerConfigurationEntity sendServerConfiguration,SmtpClient client, SendResultEntity sendResultEntity)
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{
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try
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{
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client.Connect(sendServerConfiguration.SmtpHost, sendServerConfiguration.SmtpPort);
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}
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catch (SmtpCommandException ex)
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{
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sendResultEntity.ResultInformation = $"尝试连接时出错:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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catch (SmtpProtocolException ex)
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{
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sendResultEntity.ResultInformation = $"尝试连接时的协议错误:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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catch (Exception ex)
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{
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sendResultEntity.ResultInformation = $"服务器连接错误:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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}
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/// <summary>
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/// 账户认证
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/// </summary>
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/// <param name="mailBodyEntity">邮件内容</param>
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/// <param name="sendServerConfiguration">发送配置</param>
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/// <param name="client">客户端对象</param>
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/// <param name="sendResultEntity">发送结果</param>
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public void Authenticate(MailBodyEntity mailBodyEntity, SendServerConfigurationEntity sendServerConfiguration,
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SmtpClient client, SendResultEntity sendResultEntity)
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{
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try
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{
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client.Authenticate(sendServerConfiguration.SenderAccount, sendServerConfiguration.SenderPassword);
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}
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catch (AuthenticationException ex)
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{
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sendResultEntity.ResultInformation = $"无效的用户名或密码:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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catch (SmtpCommandException ex)
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{
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sendResultEntity.ResultInformation = $"尝试验证错误:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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catch (SmtpProtocolException ex)
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{
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sendResultEntity.ResultInformation = $"尝试验证时的协议错误:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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catch (Exception ex)
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{
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sendResultEntity.ResultInformation = $"账户认证错误:{0}" + ex.Message;
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sendResultEntity.ResultStatus = false;
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}
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}
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/// <summary>
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/// 发送邮件
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/// </summary>
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/// <param name="mailBodyEntity">邮件内容</param>
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/// <param name="sendServerConfiguration">发送配置</param>
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/// <param name="client">客户端对象</param>
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/// <param name="sendResultEntity">发送结果</param>
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public void Send(MailBodyEntity mailBodyEntity, SendServerConfigurationEntity sendServerConfiguration,
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SmtpClient client, SendResultEntity sendResultEntity)
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{
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try
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{
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client.Send(MailMessage.AssemblyMailMessage(mailBodyEntity));
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}
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catch (SmtpCommandException ex)
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{
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switch (ex.ErrorCode)
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{
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case SmtpErrorCode.RecipientNotAccepted:
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sendResultEntity.ResultInformation = $"收件人未被接受:{ex.Message}";
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break;
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case SmtpErrorCode.SenderNotAccepted:
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sendResultEntity.ResultInformation = $"发件人未被接受:{ex.Message}";
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break;
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case SmtpErrorCode.MessageNotAccepted:
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sendResultEntity.ResultInformation = $"消息未被接受:{ex.Message}";
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break;
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}
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sendResultEntity.ResultStatus = false;
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}
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catch (SmtpProtocolException ex)
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{
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sendResultEntity.ResultInformation = $"发送消息时的协议错误:{ex.Message}";
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sendResultEntity.ResultStatus = false;
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}
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catch (Exception ex)
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{
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sendResultEntity.ResultInformation = $"邮件接收失败:{ex.Message}";
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sendResultEntity.ResultStatus = false;
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}
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}
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/// <summary>
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/// 获取SMTP基础信息
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/// </summary>
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/// <param name="client">客户端对象</param>
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/// <returns></returns>
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public MailServerInformation SmtpClientBaseMessage(SmtpClient client)
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{
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var mailServerInformation = new MailServerInformation
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{
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Authentication = client.Capabilities.HasFlag(SmtpCapabilities.Authentication),
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BinaryMime = client.Capabilities.HasFlag(SmtpCapabilities.BinaryMime),
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Dsn = client.Capabilities.HasFlag(SmtpCapabilities.Dsn),
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EightBitMime = client.Capabilities.HasFlag(SmtpCapabilities.EightBitMime),
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Size = client.MaxSize
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};
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return mailServerInformation;
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}
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/// <summary>
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/// 创建邮件日志文件
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/// </summary>
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/// <returns></returns>
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public string CreateMailLog()
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{
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var logPath = AppDomain.CurrentDomain.BaseDirectory + "/Logs/" +
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Guid.NewGuid() + ".txt";
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if (File.Exists(logPath)) return logPath;
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var fs = File.Create(logPath);
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fs.Close();
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return logPath;
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}
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}
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}
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