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/*
* Copyright (C) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
import ServiceExtensions
@_spi(Private) import ServiceExtensions
import os.log
@objc
@_spi(Private)
open class Grant: WKGrant {
let inner : _Capability.Grant
init(inner: _Capability.Grant) {
self.inner = inner
}
deinit {
os_log(.info, "Deallocating grant")
if self.inner.valid {
invalidateGrant()
}
}
public override func invalidateGrant() {
os_log(.info, "Invalidating grant")
do {
try self.inner.invalidate()
} catch {
os_log(.fault, "Failed to invalidate grant with error \(error)")
}
}
}
@main
class NetworkingProcessExtension : WKProcessExtension {
override required init() {
super.init()
setSharedInstance(self)
}
}
extension NetworkingProcessExtension : NetworkingServiceExtension {
func handle(xpcConnection: xpc_connection_t) {
handleNewConnection(xpcConnection)
}
override func grant(_ domain: String, name: String) -> Any {
do {
let grant = try self._request(capabilities: _Capability.assertion(domain: domain, name: name, environmentIdentifier: nil, willInvalidate: nil, didInvalidate: nil))
return Grant(inner: grant)
} catch {
os_log(.fault, "Failed to request grant with error \(error)")
return WKGrant()
}
}
override func lockdownSandbox(_ version: String) {
if let lockdownVersion = _LockdownVersion(rawValue: version) {
self._lockdown(version: lockdownVersion)
}
}
}
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