mirror of
https://github.com/denoland/deno.git
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47 lines
1.1 KiB
Rust
47 lines
1.1 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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#![deny(warnings)]
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use deno_core::error::null_opbuf;
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use deno_core::error::AnyError;
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use deno_core::JsRuntime;
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use deno_core::OpState;
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use deno_core::ZeroCopyBuf;
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use rand::rngs::StdRng;
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use rand::thread_rng;
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use rand::Rng;
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use std::path::PathBuf;
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pub use rand; // Re-export rand
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/// Execute this crates' JS source files.
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pub fn init(isolate: &mut JsRuntime) {
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let files = vec![(
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"deno:op_crates/crypto/01_crypto.js",
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include_str!("01_crypto.js"),
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)];
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for (url, source_code) in files {
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isolate.execute(url, source_code).unwrap();
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}
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}
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pub fn op_crypto_get_random_values(
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state: &mut OpState,
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_args: (),
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zero_copy: Option<ZeroCopyBuf>,
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) -> Result<(), AnyError> {
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let mut zero_copy = zero_copy.ok_or_else(null_opbuf)?;
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let maybe_seeded_rng = state.try_borrow_mut::<StdRng>();
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if let Some(seeded_rng) = maybe_seeded_rng {
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seeded_rng.fill(&mut *zero_copy);
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} else {
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let mut rng = thread_rng();
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rng.fill(&mut *zero_copy);
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}
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Ok(())
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}
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pub fn get_declaration() -> PathBuf {
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PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("lib.deno_crypto.d.ts")
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}
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