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ArjReader throws exception for password protected archives. #1007

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Merged
adamhathcock merged 1 commit into from
Nov 6, 2025
Merged

ArjReader throws exception for password protected archives. #1007

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6 changes: 6 additions & 0 deletions src/SharpCompress/Readers/Arj/ArjReader.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,12 @@ protected override IEnumerable<ArjEntry> GetEntries(Stream stream)
"Multi volumes are currently not supported"
);
}
if (mainHeader?.IsGabled == true)
{
throw new CryptographicException(
"Password protected archives are currently not supported"
);
}

if (_volume == null)
{
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6 changes: 6 additions & 0 deletions tests/SharpCompress.Test/Arj/ArjReaderTests.cs
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Expand Up @@ -25,6 +25,12 @@ public ArjReaderTests()
[Fact]
public void Arj_Method4_Read() => Read("Arj.method4.arj");

[Fact]
public void Arj_Encrypted_Read()
{
var exception = Assert.Throws<CryptographicException>(() => Read("Arj.encrypted.arj"));
}

[Fact]
public void Arj_Multi_Reader()
{
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Binary file added tests/TestArchives/Archives/Arj.encrypted.arj
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