diff options
Diffstat (limited to 'extensions/crypto/lib.rs')
| -rw-r--r-- | extensions/crypto/lib.rs | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/extensions/crypto/lib.rs b/extensions/crypto/lib.rs index bf4174f75..0ec7f4717 100644 --- a/extensions/crypto/lib.rs +++ b/extensions/crypto/lib.rs @@ -1,6 +1,5 @@ // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -use deno_core::error::null_opbuf; use deno_core::error::AnyError; use deno_core::include_js_files; use deno_core::op_sync; @@ -39,10 +38,16 @@ pub fn init(maybe_seed: Option<u64>) -> Extension { pub fn op_crypto_get_random_values( state: &mut OpState, - _args: (), - zero_copy: Option<ZeroCopyBuf>, + mut zero_copy: ZeroCopyBuf, + _: (), ) -> Result<(), AnyError> { - let mut zero_copy = zero_copy.ok_or_else(null_opbuf)?; + if zero_copy.len() > 65536 { + return Err( + deno_web::DomExceptionQuotaExceededError::new(&format!("The ArrayBufferView's byte length ({}) exceeds the number of bytes of entropy available via this API (65536)", zero_copy.len())) + .into(), + ); + } + let maybe_seeded_rng = state.try_borrow_mut::<StdRng>(); if let Some(seeded_rng) = maybe_seeded_rng { seeded_rng.fill(&mut *zero_copy); @@ -56,8 +61,8 @@ pub fn op_crypto_get_random_values( pub fn op_crypto_random_uuid( state: &mut OpState, - _args: (), - _zero_copy: (), + _: (), + _: (), ) -> Result<String, AnyError> { let maybe_seeded_rng = state.try_borrow_mut::<StdRng>(); let uuid = if let Some(seeded_rng) = maybe_seeded_rng { |