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denoland-deno/runtime/ops/permissions.rs

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use ::deno_permissions::parse_sys_kind;
use ::deno_permissions::NetDescriptor;
use ::deno_permissions::PermissionState;
use ::deno_permissions::PermissionsContainer;
use deno_core::error::custom_error;
use deno_core::error::AnyError;
use deno_core::op2;
use deno_core::OpState;
use serde::Deserialize;
use serde::Serialize;
use std::path::Path;
deno_core::extension!(
deno_permissions,
ops = [
op_query_permission,
op_revoke_permission,
op_request_permission,
],
);
#[derive(Deserialize)]
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pub struct PermissionArgs {
name: String,
path: Option<String>,
host: Option<String>,
variable: Option<String>,
kind: Option<String>,
command: Option<String>,
}
#[derive(Serialize)]
pub struct PermissionStatus {
state: String,
partial: bool,
}
impl From<PermissionState> for PermissionStatus {
fn from(state: PermissionState) -> Self {
PermissionStatus {
state: if state == PermissionState::GrantedPartial {
PermissionState::Granted.to_string()
} else {
state.to_string()
},
partial: state == PermissionState::GrantedPartial,
}
}
}
#[op2]
#[serde]
pub fn op_query_permission(
state: &mut OpState,
#[serde] args: PermissionArgs,
) -> Result<PermissionStatus, AnyError> {
let permissions = state.borrow::<PermissionsContainer>().0.lock();
let path = args.path.as_deref();
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let perm = match args.name.as_ref() {
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"read" => permissions.read.query(path.map(Path::new)),
"write" => permissions.write.query(path.map(Path::new)),
"net" => permissions.net.query(
match args.host.as_deref() {
None => None,
Some(h) => Some(NetDescriptor::parse(h)?),
}
.as_ref(),
),
"env" => permissions.env.query(args.variable.as_deref()),
"sys" => permissions
.sys
.query(args.kind.as_deref().map(parse_sys_kind).transpose()?),
"run" => permissions.run.query(args.command.as_deref()),
"ffi" => permissions.ffi.query(args.path.as_deref().map(Path::new)),
n => {
return Err(custom_error(
"ReferenceError",
format!("No such permission name: {n}"),
))
}
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};
Ok(PermissionStatus::from(perm))
}
#[op2]
#[serde]
pub fn op_revoke_permission(
state: &mut OpState,
#[serde] args: PermissionArgs,
) -> Result<PermissionStatus, AnyError> {
let mut permissions = state.borrow_mut::<PermissionsContainer>().0.lock();
let path = args.path.as_deref();
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let perm = match args.name.as_ref() {
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"read" => permissions.read.revoke(path.map(Path::new)),
"write" => permissions.write.revoke(path.map(Path::new)),
"net" => permissions.net.revoke(
match args.host.as_deref() {
None => None,
Some(h) => Some(NetDescriptor::parse(h)?),
}
.as_ref(),
),
"env" => permissions.env.revoke(args.variable.as_deref()),
"sys" => permissions
.sys
.revoke(args.kind.as_deref().map(parse_sys_kind).transpose()?),
"run" => permissions.run.revoke(args.command.as_deref()),
"ffi" => permissions.ffi.revoke(args.path.as_deref().map(Path::new)),
n => {
return Err(custom_error(
"ReferenceError",
format!("No such permission name: {n}"),
))
}
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};
Ok(PermissionStatus::from(perm))
}
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#[op2]
#[serde]
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pub fn op_request_permission(
state: &mut OpState,
#[serde] args: PermissionArgs,
) -> Result<PermissionStatus, AnyError> {
let mut permissions = state.borrow_mut::<PermissionsContainer>().0.lock();
let path = args.path.as_deref();
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let perm = match args.name.as_ref() {
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"read" => permissions.read.request(path.map(Path::new)),
"write" => permissions.write.request(path.map(Path::new)),
"net" => permissions.net.request(
match args.host.as_deref() {
None => None,
Some(h) => Some(NetDescriptor::parse(h)?),
}
.as_ref(),
),
"env" => permissions.env.request(args.variable.as_deref()),
"sys" => permissions
.sys
.request(args.kind.as_deref().map(parse_sys_kind).transpose()?),
"run" => permissions.run.request(args.command.as_deref()),
"ffi" => permissions.ffi.request(args.path.as_deref().map(Path::new)),
n => {
return Err(custom_error(
"ReferenceError",
format!("No such permission name: {n}"),
))
}
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};
Ok(PermissionStatus::from(perm))
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}