mirror of
https://github.com/google/app-check
synced 2026-11-09 22:05:52 +05:45
c7eb17e554
Signed-off-by: Nick Cooke <36927374+ncooke3@users.noreply.github.com> Co-authored-by: Nick Cooke <36927374+ncooke3@users.noreply.github.com> Co-authored-by: Nick Cooke <nickcooke@google.com>
77 lines
2.6 KiB
Swift
77 lines
2.6 KiB
Swift
// Copyright 2026 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import Foundation
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@objc(GACAppCheckLogLevel)
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public enum AppCheckCoreLogLevel: Int {
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case debug = 1
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case info = 2
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case warning = 3
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case error = 4
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case fault = 5
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}
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@objc(GACAppCheckLogger)
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public class AppCheckCoreLogger: NSObject {
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private static let logLevelLock = NSLock()
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private static var _logLevel: AppCheckCoreLogLevel = .warning
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/// The current log level.
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///
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/// Access is serialized by a lock to match the `atomic` semantics of the
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/// Objective-C `GACAppCheckLogger.logLevel` class property, which was backed
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/// by a `volatile` static.
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@objc public static var logLevel: AppCheckCoreLogLevel {
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get {
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logLevelLock.lock()
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defer { logLevelLock.unlock() }
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return _logLevel
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}
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set {
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logLevelLock.lock()
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defer { logLevelLock.unlock() }
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_logLevel = newValue
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}
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}
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public static func log(code: AppCheckCoreMessageCode, logLevel: AppCheckCoreLogLevel,
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message: String) {
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// Don't log anything in non-debug builds.
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//
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// Note: this must be `DEBUG`, not `!NDEBUG`. `NDEBUG` is a C preprocessor
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// macro and is never defined as a Swift compilation condition, so
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// `#if !NDEBUG` is unconditionally true in Swift and would leak logging
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// (including the App Check debug token) into Release builds.
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#if DEBUG
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if logLevel.rawValue >= self.logLevel.rawValue {
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let levelString: String
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switch logLevel {
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case .fault: levelString = "Fault"
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case .error: levelString = "Error"
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case .warning: levelString = "Warning"
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case .info: levelString = "Info"
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case .debug: levelString = "Debug"
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@unknown default: levelString = "Unknown"
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}
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let codeString = String(format: "I-GAC%06ld", code.rawValue)
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// `NSLog` (rather than `print`) so output reaches the system log and is
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// visible in Console.app without a debugger attached, matching the
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// Objective-C implementation.
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NSLog("<%@> [AppCheckCore][%@] %@", levelString, codeString, message)
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}
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#endif
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}
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}
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