refactor(ext/node): reorganize ops (#18799)

Move all op related code of "ext/node" to "ext/node/ops" module.

These files were unnecessarily scattered around the extension.

1 files changed, 117 insertions, 0 deletions

diff --git a/ext/node/ops/crypto/digest.rs b/ext/node/ops/crypto/digest.rs
new file mode 100644
index 000000000..4fab58a43
--- /dev/null
+++ b/ext/node/ops/crypto/digest.rs
@@ -0,0 +1,117 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+use deno_core::error::type_error;
+use deno_core::error::AnyError;
+use deno_core::Resource;
+use digest::Digest;
+use digest::DynDigest;
+use std::borrow::Cow;
+use std::cell::RefCell;
+use std::rc::Rc;
+
+pub enum Hash {
+  Md4(Box<md4::Md4>),
+  Md5(Box<md5::Md5>),
+  Ripemd160(Box<ripemd::Ripemd160>),
+  Sha1(Box<sha1::Sha1>),
+  Sha224(Box<sha2::Sha224>),
+  Sha256(Box<sha2::Sha256>),
+  Sha384(Box<sha2::Sha384>),
+  Sha512(Box<sha2::Sha512>),
+}
+
+pub struct Context {
+  pub hash: Rc<RefCell<Hash>>,
+}
+
+impl Context {
+  pub fn new(algorithm: &str) -> Result<Self, AnyError> {
+    Ok(Self {
+      hash: Rc::new(RefCell::new(Hash::new(algorithm)?)),
+    })
+  }
+
+  pub fn update(&self, data: &[u8]) {
+    self.hash.borrow_mut().update(data);
+  }
+
+  pub fn digest(self) -> Result<Box<[u8]>, AnyError> {
+    let hash = Rc::try_unwrap(self.hash)
+      .map_err(|_| type_error("Hash context is already in use"))?;
+
+    let hash = hash.into_inner();
+    Ok(hash.digest_and_drop())
+  }
+}
+
+impl Clone for Context {
+  fn clone(&self) -> Self {
+    Self {
+      hash: Rc::new(RefCell::new(self.hash.borrow().clone())),
+    }
+  }
+}
+
+impl Resource for Context {
+  fn name(&self) -> Cow<str> {
+    "cryptoDigest".into()
+  }
+}
+
+use Hash::*;
+
+impl Hash {
+  pub fn new(algorithm_name: &str) -> Result<Self, AnyError> {
+    Ok(match algorithm_name {
+      "md4" => Md4(Default::default()),
+      "md5" => Md5(Default::default()),
+      "ripemd160" => Ripemd160(Default::default()),
+      "sha1" => Sha1(Default::default()),
+      "sha224" => Sha224(Default::default()),
+      "sha256" => Sha256(Default::default()),
+      "sha384" => Sha384(Default::default()),
+      "sha512" => Sha512(Default::default()),
+      _ => return Err(type_error("unsupported algorithm")),
+    })
+  }
+
+  pub fn update(&mut self, data: &[u8]) {
+    match self {
+      Md4(context) => Digest::update(&mut **context, data),
+      Md5(context) => Digest::update(&mut **context, data),
+      Ripemd160(context) => Digest::update(&mut **context, data),
+      Sha1(context) => Digest::update(&mut **context, data),
+      Sha224(context) => Digest::update(&mut **context, data),
+      Sha256(context) => Digest::update(&mut **context, data),
+      Sha384(context) => Digest::update(&mut **context, data),
+      Sha512(context) => Digest::update(&mut **context, data),
+    };
+  }
+
+  pub fn digest_and_drop(self) -> Box<[u8]> {
+    match self {
+      Md4(context) => context.finalize(),
+      Md5(context) => context.finalize(),
+      Ripemd160(context) => context.finalize(),
+      Sha1(context) => context.finalize(),
+      Sha224(context) => context.finalize(),
+      Sha256(context) => context.finalize(),
+      Sha384(context) => context.finalize(),
+      Sha512(context) => context.finalize(),
+    }
+  }
+}
+
+impl Clone for Hash {
+  fn clone(&self) -> Self {
+    match self {
+      Md4(_) => Md4(Default::default()),
+      Md5(_) => Md5(Default::default()),
+      Ripemd160(_) => Ripemd160(Default::default()),
+      Sha1(_) => Sha1(Default::default()),
+      Sha224(_) => Sha224(Default::default()),
+      Sha256(_) => Sha256(Default::default()),
+      Sha384(_) => Sha384(Default::default()),
+      Sha512(_) => Sha512(Default::default()),
+    }
+  }
+}