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start adding support for reading encrypted documents

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Eliot Jones
2019-05-04 15:36:13 +01:00
parent b2a3ae7a49
commit be394f5bba
21 changed files with 534 additions and 66 deletions
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7
src/UglyToad.PdfPig/AcroForms/AcroFormFactory.cs
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@@ -4,6 +4,7 @@
using System.Collections.Generic;
using System.Linq;
using Content;
using Encryption;
using Exceptions;
using Fields;
using Filters;
@@ -20,11 +21,13 @@
{
private readonly IPdfTokenScanner tokenScanner;
private readonly IFilterProvider filterProvider;
private readonly IEncryptionHandler encryptionHandler;
public AcroFormFactory(IPdfTokenScanner tokenScanner, IFilterProvider filterProvider)
public AcroFormFactory(IPdfTokenScanner tokenScanner, IFilterProvider filterProvider, IEncryptionHandler encryptionHandler)
{
this.tokenScanner = tokenScanner ?? throw new ArgumentNullException(nameof(tokenScanner));
this.filterProvider = filterProvider ?? throw new ArgumentNullException(nameof(filterProvider));
this.encryptionHandler = encryptionHandler ?? throw new ArgumentNullException(nameof(encryptionHandler));
}
/// <summary>
@@ -212,7 +215,7 @@
}
else if (DirectObjectFinder.TryGet(textValueToken, tokenScanner, out StreamToken valueStreamToken))
{
textValue = OtherEncodings.BytesAsLatin1String(valueStreamToken.Decode(filterProvider).ToArray());
textValue = OtherEncodings.BytesAsLatin1String(valueStreamToken.Decode(filterProvider, encryptionHandler).ToArray());
}
}