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Add DistributionDetector

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Leon Böttger committed 2025-08-12 08:06:53 +02:00
1 parent a43614dd9a
commit db6050ae6c
3 files changed
+83 -1
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NearbyShare/Util/Helpers.swift
+3 -1
View File
@@ -103,7 +103,9 @@ public enum UserDefaultsKeys: String, CaseIterable {
public func isPlusVersion() -> Bool {
return UserDefaults.standard.bool(forKey: UserDefaultsKeys.plusVersion.rawValue)
// Enable full functionality if app distributed directly
return DistributionDetector.isDirectDistributionEnabled || UserDefaults.standard.bool(forKey: UserDefaultsKeys.plusVersion.rawValue)
}
QuickDrop.xcodeproj/project.pbxproj
+8
View File
@@ -80,6 +80,9 @@
EB5C38402E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
EB5C38412E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
EB6F62D72D91F4AF00534EC2 /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */; };
EB704A822E4A7BB3008E608F /* DistributionDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB704A812E4A7BAE008E608F /* DistributionDetector.swift */; };
EB704A832E4B10D4008E608F /* DistributionDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB704A812E4A7BAE008E608F /* DistributionDetector.swift */; };
EB704A842E4B10D4008E608F /* DistributionDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB704A812E4A7BAE008E608F /* DistributionDetector.swift */; };
EB7CD1452D6FB0C300CB0CB5 /* Logger.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB7CD1442D6FB0C100CB0CB5 /* Logger.swift */; };
EB7CD1462D6FB0E800CB0CB5 /* Logger.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB7CD1442D6FB0C100CB0CB5 /* Logger.swift */; };
EB7F54122D78E96000989564 /* TutorialView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB7F54112D78E95C00989564 /* TutorialView.swift */; };
@@ -209,6 +212,7 @@
EB5C38382E38C1F60052EFD7 /* justMaybe.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; path = justMaybe.mp3; sourceTree = "<group>"; };
EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LaunchAtLogin.swift; sourceTree = "<group>"; };
EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
EB704A812E4A7BAE008E608F /* DistributionDetector.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DistributionDetector.swift; sourceTree = "<group>"; };
EB7CD1442D6FB0C100CB0CB5 /* Logger.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Logger.swift; sourceTree = "<group>"; };
EB7F54112D78E95C00989564 /* TutorialView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TutorialView.swift; sourceTree = "<group>"; };
EB7F54132D78E9E400989564 /* LicenseWindow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LicenseWindow.swift; sourceTree = "<group>"; };
@@ -431,6 +435,7 @@
isa = PBXGroup;
children = (
EBC05C6D2E33B57D00EECC18 /* Converter.swift */,
EB704A812E4A7BAE008E608F /* DistributionDetector.swift */,
EBC05C6E2E33B57D00EECC18 /* Helper.swift */,
EBC05C6F2E33B57D00EECC18 /* PlusView.swift */,
);
@@ -647,6 +652,7 @@
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
EB704A832E4B10D4008E608F /* DistributionDetector.swift in Sources */,
EB96ED902D7F8114004B3FF1 /* Localized.swift in Sources */,
EBC05C862E33B58300EECC18 /* NetworkFilterIssueView.swift in Sources */,
EBC05C872E33B58300EECC18 /* IssueView.swift in Sources */,
@@ -713,6 +719,7 @@
69DA9A1229E0BF5100A442DA /* AppDelegate.swift in Sources */,
EB6F62D72D91F4AF00534EC2 /* SettingsView.swift in Sources */,
EB7F54122D78E96000989564 /* TutorialView.swift in Sources */,
EB704A822E4A7BB3008E608F /* DistributionDetector.swift in Sources */,
EB9925812E45D53E00357055 /* sharing_enums.pb.swift in Sources */,
EB96ED8F2D7F8105004B3FF1 /* Localized.swift in Sources */,
EB7CD1452D6FB0C300CB0CB5 /* Logger.swift in Sources */,
@@ -733,6 +740,7 @@
EB5C37F42E377CE70052EFD7 /* NearbyConnectionManager.swift in Sources */,
EB5C37F52E377CE70052EFD7 /* securemessage.pb.swift in Sources */,
EB5C37F62E377CE70052EFD7 /* device_to_device_messages.pb.swift in Sources */,
EB704A842E4B10D4008E608F /* DistributionDetector.swift in Sources */,
EB5C37F82E377CE70052EFD7 /* SleepManager.swift in Sources */,
EB5C38012E377DE60052EFD7 /* Localized.swift in Sources */,
EB5C37F92E377CE70052EFD7 /* securegcm.pb.swift in Sources */,
QuickDrop/Plus/DistributionDetector.swift
+72
View File
@@ -0,0 +1,72 @@
//
// DistributionDetector.swift
// QuickDrop
//
// Created by Leon Böttger on 11.08.25.
//
import Security
import Foundation
class DistributionDetector {
static var isDirectDistributionEnabled: Bool {
get {
if let cached = _directDistributionCached {
return cached
}
let result = isDirectDistribution()
self._directDistributionCached = result
log("[DistributionDetector] isDirectDistribution: \(result)")
return result
}
}
static var _directDistributionCached: Bool? = nil
private static func isDirectDistribution() -> Bool {
// 1. Get dynamic code object for our process
var code: SecCode?
var status = SecCodeCopySelf([], &code)
guard status == errSecSuccess, let codeRef = code else {
log("[DistributionDetector] Could not get code object)")
return false
}
// 2. Convert to static code object
var staticCode: SecStaticCode?
status = SecCodeCopyStaticCode(codeRef, [], &staticCode)
guard status == errSecSuccess, let staticCodeRef = staticCode else {
log("[DistributionDetector] Could not get static code object)")
return false
}
// 3. Get signing info
var infoCF: CFDictionary?
status = SecCodeCopySigningInformation(staticCodeRef,
SecCSFlags(rawValue: kSecCSSigningInformation),
&infoCF)
guard status == errSecSuccess, let info = infoCF as? [String: Any] else {
log("[DistributionDetector] Could not get signing info")
return false
}
// 4. Look at the first certificate's common name
if let certificates = info[kSecCodeInfoCertificates as String] as? [SecCertificate],
let firstCert = certificates.first {
var commonName: CFString?
status = SecCertificateCopyCommonName(firstCert, &commonName)
if status == errSecSuccess, let commonNameStr = commonName as String? {
if commonNameStr.contains("Developer ID Application") {
return true
}
}
}
return false
}
}