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42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
namespace Oms.Application.Storage;
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/// <summary>
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/// 文件存储 key / URL 规范化。
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/// </summary>
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public static class FileStoragePath
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{
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/// <summary>
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/// 规范化为库内 object key：uploads/a.jpg（无前导 /，完整 URL 取 AbsolutePath）。
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/// </summary>
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public static string NormalizeKey(string? pathOrUrl)
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{
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if (string.IsNullOrWhiteSpace(pathOrUrl))
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{
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throw new ArgumentException("路径不能为空", nameof(pathOrUrl));
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}
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var key = pathOrUrl.Trim().Replace('\\', '/');
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if (key.StartsWith("http://", StringComparison.OrdinalIgnoreCase)
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|| key.StartsWith("https://", StringComparison.OrdinalIgnoreCase))
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{
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key = new Uri(key).AbsolutePath;
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}
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key = key.TrimStart('/');
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if (string.IsNullOrWhiteSpace(key))
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{
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throw new ArgumentException("object key 不能为空", nameof(pathOrUrl));
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}
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return key;
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}
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/// <summary>
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/// 是否已是绝对 URL（含微信头像等外链）。
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/// </summary>
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public static bool IsAbsoluteUrl(string? value) =>
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!string.IsNullOrWhiteSpace(value)
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&& (value.StartsWith("http://", StringComparison.OrdinalIgnoreCase)
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|| value.StartsWith("https://", StringComparison.OrdinalIgnoreCase));
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}
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