0qln
bff34658b8
Pin nixpkgs to the revision used by itc.componentware: the channel version ships a latexminted that crashes on Python 3.14, which made every listing fail and sent latexmk into an endless error prompt. Also force nonstopmode/halt-on-error so a broken listing can never loop again.
40 lines
1.4 KiB
C#
40 lines
1.4 KiB
C#
private async Task<string?> GetPreSignedUrlAsync(DocumentKey key, bool inline, CancellationToken cancellationToken)
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{
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if (!await ObjectExistsAsync(key, cancellationToken))
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return null;
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var request = new GetPreSignedUrlRequest
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{
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BucketName = _settings.S3.Bucket,
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Key = key.ToString(),
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Verb = HttpVerb.GET,
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Expires = DateTime.UtcNow.Add(DownloadUrlLifetime),
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ResponseHeaderOverrides =
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{
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ContentDisposition = inline
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? InlineContentDisposition(key.Name.ToString())
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: AttachmentContentDisposition(key.Name.ToString()),
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},
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};
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return await s3.GetPreSignedURLAsync(request);
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}
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private static string AttachmentContentDisposition(string fileName)
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{
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var header = new ContentDispositionHeaderValue("attachment");
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header.SetHttpFileName(fileName);
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return header.ToString();
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}
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/// <summary>
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/// Builds a <c>Content-Disposition</c> header that lets the browser render the document inline
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/// while preserving the file name, using RFC 5987 encoding so non ASCII file names survive.
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/// </summary>
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private static string InlineContentDisposition(string fileName)
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{
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var asciiFallback = new string(fileName.Select(c => c is >= ' ' and < (char)127 and not '"' ? c : '_').ToArray());
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var encoded = Uri.EscapeDataString(fileName);
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return $"inline; filename=\"{asciiFallback}\"; filename*=UTF-8''{encoded}";
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}
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