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🔒 Add signature verification for downloaded updates #20

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29 changes: 21 additions & 8 deletions Click2Minimize/AppDelegate.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -474,15 +474,28 @@ class AppDelegate: NSObject, NSApplicationDelegate {
do {
// Copy the app to the /Applications folder
let appSourceURL = URL(fileURLWithPath: "\(mountedVolumePath)/Click2Minimize.app") // Adjust if necessary
if FileManager.default.fileExists(atPath: appDestinationURL.path) {
try FileManager.default.removeItem(at: appDestinationURL) // Remove old version if it exists
}
try FileManager.default.copyItem(at: appSourceURL, to: appDestinationURL)
print("Successfully installed Click2Minimize to /Applications.")

// Prompt the user to relaunch the app
DispatchQueue.main.async {
self.promptUserToRelaunch()
// Verify code signature before copying
let verifyTask = Process()
verifyTask.launchPath = "/usr/bin/codesign"
verifyTask.arguments = ["--verify", "--deep", "--strict", appSourceURL.path]
verifyTask.launch()
verifyTask.waitUntilExit()

if verifyTask.terminationStatus == 0 {
if FileManager.default.fileExists(atPath: appDestinationURL.path) {
try FileManager.default.removeItem(at: appDestinationURL) // Remove old version if it exists
}
try FileManager.default.copyItem(at: appSourceURL, to: appDestinationURL)
print("Successfully installed Click2Minimize to /Applications.")

// Prompt the user to relaunch the app
DispatchQueue.main.async {
self.promptUserToRelaunch()
}
} else {
print("Code signature verification failed.")
self.openBrowserForManualUpgrade()
}

} catch {
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