84 lines
2.7 KiB
C#
84 lines
2.7 KiB
C#
using MiaoYu.Api.Admin.ApplicationServices.Systems.Cos.Dtos;
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using MiaoYu.Core.ApplicationServices;
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using MiaoYu.Core.Cos.Configs;
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using MiaoYu.Core.Cos.Models;
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using MiaoYu.Core.Cos.Services;
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namespace MiaoYu.Api.Admin.ApplicationServices.Systems.Cos;
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/// <summary>
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/// 腾讯云COS服务
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/// </summary>
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public class CosService : ApplicationService
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{
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private readonly ICodeCosService _codeCosService;
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private readonly TencentConfig _tencentConfig;
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public CosService(ICodeCosService codeCosService, TencentConfig tencentConfig)
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{
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_codeCosService = codeCosService;
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_tencentConfig = tencentConfig;
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}
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/// <summary>
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/// 获取签名
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/// </summary>
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/// <returns></returns>
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public string GetCosSign()
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{
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var (sign, ex) = _codeCosService.GenerateSignURL(new CosGenerateSign());
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return sign;
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}
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/// <summary>
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/// 获取临时签名
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/// </summary>
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/// <param name="fileName">文件名</param>
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/// <param name="modelName">模型名称</param>
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/// <returns></returns>
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public GenerateTemporaryModel GetGenerateTemporaryKey(string fileName = "", string modelName = "")
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{
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var cosConfig = _tencentConfig.CosConfig;
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var t = new CosGenerateSign()
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{
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Prefixes = cosConfig.Prefixes ?? "file",
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Bucket = cosConfig?.Bucket,
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Region = cosConfig?.Region,
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AppId = cosConfig?.AppId,
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SecretId = cosConfig?.SecretId,
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SecretKey = cosConfig?.SecretKey,
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DurationSecond = cosConfig?.DurationSecond ?? 300
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};
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if (string.IsNullOrEmpty(modelName))
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{
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modelName = "images";
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}
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var tempFile = fileName;
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if (!string.IsNullOrEmpty(tempFile))
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{
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var ext = Path.GetExtension(tempFile);
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if (!string.IsNullOrEmpty(ext))
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{
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// 使用 UTC 时间生成时间戳文件名
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tempFile = $"{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}{ext}";
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}
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}
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var model = _codeCosService.GenerateTemporaryKey(t);
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// 复制对象属性
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var generateTemporaryModel = model.CopyObject<CodeCosGenerateTemporaryKeyEntity, GenerateTemporaryModel>() ?? new GenerateTemporaryModel();
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generateTemporaryModel.Bucket = t.Bucket + "-" + t.AppId;
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generateTemporaryModel.Region = t.Region;
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generateTemporaryModel.Prefixes = t.Prefixes;
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// 修复日期格式：yyyMMdd -> yyyyMMdd
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generateTemporaryModel.FilePath = $"{t.Prefixes}/{modelName}/{DateTime.Now.ToString("yyyyMMdd")}/{tempFile}";
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generateTemporaryModel.DomainName = cosConfig.DomainName;
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return generateTemporaryModel;
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}
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}
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