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https://github.com/denoland/deno.git
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4e1abb4f3a
To better reflect changes in error types in JS from #3662 this PR changes default error type used in ops from "ErrBox" to "OpError". "OpError" is a type that can be sent over to JSON; it has all information needed to construct error in JavaScript. That made "GetErrorKind" trait useless and so it was removed altogether. To provide compatibility with previous use of "ErrBox" an implementation of "From<ErrBox> for OpError" was added, however, it is an escape hatch and ops implementors should strive to use "OpError" directly.
107 lines
3.4 KiB
Rust
107 lines
3.4 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::ops::json_op;
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use crate::state::State;
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use deno_core::*;
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use std::path::Path;
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pub fn init(i: &mut Isolate, s: &State) {
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i.register_op(
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"query_permission",
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s.core_op(json_op(s.stateful_op(op_query_permission))),
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);
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i.register_op(
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"revoke_permission",
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s.core_op(json_op(s.stateful_op(op_revoke_permission))),
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);
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i.register_op(
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"request_permission",
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s.core_op(json_op(s.stateful_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_ref().map(String::as_str).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_ref().map(String::as_str),
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&resolved_path.as_ref().map(String::as_str).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_ref().map(String::as_str).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_ref().map(String::as_str),
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&resolved_path.as_ref().map(String::as_str).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_ref().map(String::as_str).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" => Ok(permissions.request_read(
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&resolved_path.as_ref().map(String::as_str).map(Path::new),
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)),
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"write" => Ok(permissions.request_write(
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&resolved_path.as_ref().map(String::as_str).map(Path::new),
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)),
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"net" => permissions.request_net(&args.url.as_ref().map(String::as_str)),
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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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