public JarIndividualEntry(string entryText)
{
Attributes = JarAttributes.From(entryText);
// Set up some properties to simplify tasks
string name = null;
if (Attributes.TryGetValue("Name", out name))
{
Name = name;
}
RawText = entryText;
// Only look for xxx-DIGEST for now.
// There are also xxx-DIGEST-yyy attributes for language specific files we need to deal with later
string digestAttributeKey = Attributes.Keys.FirstOrDefault(key => key.EndsWith("-Digest", StringComparison.OrdinalIgnoreCase));
if (!String.IsNullOrEmpty(digestAttributeKey))
{
string manifestDigest = Attributes[digestAttributeKey];
HashAlgorithmName = JarUtils.GetHashAlgorithmFromDigest(digestAttributeKey, "-Digest");
DigestValue = Attributes[digestAttributeKey];
}
}
/// <summary>
/// Verify the x-Digest-Manifest-Main-Attributes attribute if it exists, otherwise, verify the individual file attributes
/// in the signature file and compare their digests to the digests calculated over the individual sections in the manifest
/// file.
/// </summary>
/// <returns>True if the verification succeeded, false otherwise.</returns>
public bool VerifyDigestManifestMain(JarManifestFile manifestFile)
{
if (HasDigestManifestMainAttributes)
{
string digestAttributeKey = MainAttributes.Keys.FirstOrDefault(key => key.EndsWith("-Digest-Manifest-Main-Attributes", StringComparison.OrdinalIgnoreCase));
JarUtils.GetHashAlgorithmFromDigest(digestAttributeKey, "-Digest-Manifest-Main-Attributes");
return(String.Equals(MainAttributes[digestAttributeKey],
manifestFile.GetMainAttributesDigest(JarUtils.GetHashAlgorithmFromDigest(digestAttributeKey, "-Digest-Manifest-Main-Attributes"))));
}
else
{
return(VerifySignatureSourceFileDigests(manifestFile));
}
}
/// <summary>
/// Verify all the x-Digest-Manifest attributes.
/// </summary>
/// <param name="manifest">The JAR manifest (META-INF/MANIFEST.MF)</param>
/// <returns>True if all the digests were verified, false if any verification failed or there are no x-Digest-Manifest attributes in the signature file.</returns>
public bool VerifyDigestManifest(JarManifestFile manifest)
{
if (ManifestHashDigestAttributes.Count() > 0)
{
return(ManifestHashDigestAttributes.All(
a => String.Equals(MainAttributes[a], manifest.GetManifestDigest(JarUtils.GetHashAlgorithmFromDigest(a, "-Digest-Manifest")))
));
}
return(false);
}