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chore: Fix a bug when both ZipCrypto and alignment are used

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This commit is contained in:
Chris Hennick 2024-06-13 21:43:21 -07:00
parent 0d9fd0da0b
commit 7b2e31ca7f
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GPG key ID: DA47AABA4961C509
1 changed files with 23 additions and 24 deletions
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47
src/write.rs
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@ -944,6 +944,29 @@ impl<W: Write + Seek> ZipWriter<W> {
.central_extra_data()
.unwrap_or(&Arc::new(vec![])).clone(),
};
match options.encrypt_with {
#[cfg(feature = "aes-crypto")]
Some(EncryptWith::Aes { mode, password }) => {
let aeswriter = AesWriter::new(
mem::replace(&mut self.inner, GenericZipWriter::Closed).unwrap(),
mode,
password.as_bytes(),
)?;
self.inner = GenericZipWriter::Storer(MaybeEncrypted::Aes(aeswriter));
}
Some(EncryptWith::ZipCrypto(keys, ..)) => {
let mut zipwriter = crate::zipcrypto::ZipCryptoWriter {
writer: mem::replace(&mut self.inner, Closed).unwrap(),
buffer: vec![],
keys,
};
let crypto_header = [0u8; 12];
extensions.extra_data.write_all(&crypto_header)?;
self.inner = Storer(MaybeEncrypted::ZipCrypto(zipwriter));
}
None => {}
}
let mut extra_data_end = header_end + extensions.extra_data.len() as u64;
if options.alignment > 1 {
let align = options.alignment as u64;
@ -964,30 +987,6 @@ impl<W: Write + Seek> ZipWriter<W> {
writer.write_all(&extensions.extra_data)?;
extra_data_end = writer.stream_position()?;
debug_assert_eq!(extra_data_end % (options.alignment as u64), 0);
match options.encrypt_with {
#[cfg(feature = "aes-crypto")]
Some(EncryptWith::Aes { mode, password }) => {
let aeswriter = AesWriter::new(
mem::replace(&mut self.inner, GenericZipWriter::Closed).unwrap(),
mode,
password.as_bytes(),
)?;
self.inner = GenericZipWriter::Storer(MaybeEncrypted::Aes(aeswriter));
}
Some(EncryptWith::ZipCrypto(keys, ..)) => {
let mut zipwriter = crate::zipcrypto::ZipCryptoWriter {
writer: mem::replace(&mut self.inner, Closed).unwrap(),
buffer: vec![],
keys,
};
let crypto_header = [0u8; 12];
zipwriter.write_all(&crypto_header)?;
header_end = zipwriter.writer.stream_position()?;
self.inner = Storer(MaybeEncrypted::ZipCrypto(zipwriter));
}
None => {}
}
self.stats.start = extra_data_end;
debug_assert!(file.data_start.get().is_none());
file.data_start.get_or_init(|| extra_data_end);