mirror of
https://github.com/denoland/deno.git
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107 lines
3.2 KiB
Rust
107 lines
3.2 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use super::dispatch_json::{Deserialize, JsonOp, Value};
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use crate::fs as deno_fs;
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use crate::op_error::OpError;
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use crate::state::State;
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use deno_core::CoreIsolate;
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use deno_core::ZeroCopyBuf;
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use std::path::Path;
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pub fn init(i: &mut CoreIsolate, s: &State) {
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i.register_op(
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"op_query_permission",
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s.stateful_json_op(op_query_permission),
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);
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i.register_op(
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"op_revoke_permission",
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s.stateful_json_op(op_revoke_permission),
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);
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i.register_op(
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"op_request_permission",
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s.stateful_json_op(op_request_permission),
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);
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}
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#[derive(Deserialize)]
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struct PermissionArgs {
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name: String,
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url: Option<String>,
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path: Option<String>,
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}
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fn resolve_path(path: &str) -> String {
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deno_fs::resolve_from_cwd(Path::new(path))
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.unwrap()
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.to_str()
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.unwrap()
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.to_string()
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}
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pub fn op_query_permission(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: PermissionArgs = serde_json::from_value(args)?;
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let state = state.borrow();
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let resolved_path = args.path.as_deref().map(resolve_path);
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let perm = state.permissions.get_permission_state(
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&args.name,
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&args.url.as_deref(),
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&resolved_path.as_deref().map(Path::new),
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)?;
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Ok(JsonOp::Sync(json!({ "state": perm.to_string() })))
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}
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pub fn op_revoke_permission(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: PermissionArgs = serde_json::from_value(args)?;
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let mut state = state.borrow_mut();
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let permissions = &mut state.permissions;
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match args.name.as_ref() {
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"run" => permissions.allow_run.revoke(),
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"read" => permissions.allow_read.revoke(),
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"write" => permissions.allow_write.revoke(),
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"net" => permissions.allow_net.revoke(),
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"env" => permissions.allow_env.revoke(),
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"plugin" => permissions.allow_plugin.revoke(),
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"hrtime" => permissions.allow_hrtime.revoke(),
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_ => {}
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};
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let resolved_path = args.path.as_deref().map(resolve_path);
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let perm = permissions.get_permission_state(
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&args.name,
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&args.url.as_deref(),
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&resolved_path.as_deref().map(Path::new),
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)?;
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Ok(JsonOp::Sync(json!({ "state": perm.to_string() })))
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}
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pub fn op_request_permission(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: PermissionArgs = serde_json::from_value(args)?;
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let mut state = state.borrow_mut();
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let permissions = &mut state.permissions;
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let resolved_path = args.path.as_deref().map(resolve_path);
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let perm = match args.name.as_ref() {
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"run" => Ok(permissions.request_run()),
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"read" => {
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Ok(permissions.request_read(&resolved_path.as_deref().map(Path::new)))
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}
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"write" => {
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Ok(permissions.request_write(&resolved_path.as_deref().map(Path::new)))
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}
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"net" => permissions.request_net(&args.url.as_deref()),
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"env" => Ok(permissions.request_env()),
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"plugin" => Ok(permissions.request_plugin()),
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"hrtime" => Ok(permissions.request_hrtime()),
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n => Err(OpError::other(format!("No such permission name: {}", n))),
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}?;
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Ok(JsonOp::Sync(json!({ "state": perm.to_string() })))
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}
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