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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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5
src/UglyToad.PdfPig/Tokens/StreamToken.cs
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@@ -2,6 +2,7 @@
{
using System;
using System.Collections.Generic;
using Encryption;
using Filters;
using Util.JetBrains.Annotations;
@@ -38,7 +39,7 @@
Data = data ?? throw new ArgumentNullException(nameof(data));
}
internal IReadOnlyList<byte> Decode(IFilterProvider filterProvider)
internal IReadOnlyList<byte> Decode(IFilterProvider filterProvider, IEncryptionHandler encryptionHandler)
{
lock (lockObject)
{
@@ -49,7 +50,7 @@
var filters = filterProvider.GetFilters(StreamDictionary);
var transform = Data;
var transform = encryptionHandler.Decrypt(this);
for (var i = 0; i < filters.Count; i++)
{
transform = filters[i].Decode(transform, StreamDictionary, i);