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Do not forget pgp passphrase on decryption error #296

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This commit is contained in:
Yishi Lin 2019-09-30 02:05:01 +08:00
parent 6b00d4911b
commit e332b1f3be
6 changed files with 46 additions and 35 deletions
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7
pass/Controllers/PasswordDetailTableViewController.swift
View file

@ -18,6 +18,7 @@ class PasswordDetailTableViewController: UITableViewController, UIGestureRecogni
private var oneTimePasswordIndexPath : IndexPath?
private var shouldPopCurrentView = false
private let passwordStore = PasswordStore.shared
private let keychain = AppKeychain.shared
private lazy var editUIBarButtonItem: UIBarButtonItem = {
let uiBarButtonItem = UIBarButtonItem(barButtonSystemItem: .edit, target: self, action: #selector(pressEdit(_:)))
@ -96,14 +97,14 @@ class PasswordDetailTableViewController: UITableViewController, UIGestureRecogni
sem.signal()
}))
alert.addTextField(configurationHandler: {(textField: UITextField!) in
textField.text = ""
textField.text = self.keychain.get(for: Globals.pgpKeyPassphrase) ?? ""
textField.isSecureTextEntry = true
})
self.present(alert, animated: true, completion: nil)
}
let _ = sem.wait(timeout: DispatchTime.distantFuture)
if SharedDefaults[.isRememberPGPPassphraseOn] {
AppKeychain.shared.add(string: passphrase, for: Globals.pgpKeyPassphrase)
self.keychain.add(string: passphrase, for: Globals.pgpKeyPassphrase)
}
return passphrase
}
@ -121,8 +122,6 @@ class PasswordDetailTableViewController: UITableViewController, UIGestureRecogni
self.password = try self.passwordStore.decrypt(passwordEntity: passwordEntity, requestPGPKeyPassphrase: self.requestPGPKeyPassphrase)
} catch {
DispatchQueue.main.async {
// remove the wrong passphrase so that users could enter it next time
AppKeychain.shared.removeContent(for: Globals.pgpKeyPassphrase)
// alert: cancel or try again
let alert = UIAlertController(title: "CannotShowPassword".localize(), message: error.localizedDescription, preferredStyle: UIAlertController.Style.alert)
alert.addAction(UIAlertAction(title: "Cancel".localize(), style: UIAlertAction.Style.default) { _ in

20
pass/Controllers/PasswordsViewController.swift
View file

@ -167,7 +167,7 @@ class PasswordsViewController: UIViewController, UITableViewDataSource, UITableV
SVProgressHUD.setDefaultStyle(.light)
SVProgressHUD.show(withStatus: "SyncingPasswordStore".localize())
var gitCredential: GitCredential
let privateKey: String? = AppKeychain.shared.get(for: SshKey.PRIVATE.getKeychainKey())
let privateKey: String? = self.keychain.get(for: SshKey.PRIVATE.getKeychainKey())
if SharedDefaults[.gitAuthenticationMethod] == "Password" || privateKey == nil {
gitCredential = GitCredential(credential: GitCredential.Credential.http(userName: SharedDefaults[.gitUsername]!))
} else {
@ -406,20 +406,14 @@ class PasswordsViewController: UIViewController, UITableViewDataSource, UITableV
sem.signal()
}))
alert.addTextField(configurationHandler: {(textField: UITextField!) in
textField.text = ""
textField.text = self.keychain.get(for: Globals.pgpKeyPassphrase) ?? ""
textField.isSecureTextEntry = true
})
// hide it so that alert is on the top of the view
SVProgressHUD.dismiss()
self.present(alert, animated: true, completion: nil)
}
let _ = sem.wait(timeout: DispatchTime.distantFuture)
DispatchQueue.main.async {
// bring back
SVProgressHUD.show(withStatus: "Decrypting".localize())
}
if SharedDefaults[.isRememberPGPPassphraseOn] {
keychain.add(string: passphrase, for: Globals.pgpKeyPassphrase)
self.keychain.add(string: passphrase, for: Globals.pgpKeyPassphrase)
}
return passphrase
}
@ -431,22 +425,20 @@ class PasswordsViewController: UIViewController, UITableViewDataSource, UITableV
}
let passwordEntity = getPasswordEntry(by: indexPath).passwordEntity!
UIImpactFeedbackGenerator(style: .medium).impactOccurred()
SVProgressHUD.setDefaultMaskType(.black)
SVProgressHUD.setDefaultStyle(.dark)
SVProgressHUD.show(withStatus: "Decrypting".localize())
SVProgressHUD.dismiss()
DispatchQueue.global(qos: .userInteractive).async {
var decryptedPassword: Password?
do {
decryptedPassword = try self.passwordStore.decrypt(passwordEntity: passwordEntity, requestPGPKeyPassphrase: self.requestPGPKeyPassphrase)
DispatchQueue.main.async {
SecurePasteboard.shared.copy(textToCopy: decryptedPassword?.password)
SVProgressHUD.setDefaultMaskType(.black)
SVProgressHUD.setDefaultStyle(.dark)
SVProgressHUD.showSuccess(withStatus: "PasswordCopiedToPasteboard.".localize())
SVProgressHUD.dismiss(withDelay: 0.6)
}
} catch {
DispatchQueue.main.async {
// remove the wrong passphrase so that users could enter it next time
self.keychain.removeContent(for: Globals.pgpKeyPassphrase)
Utils.alert(title: "CannotCopyPassword".localize(), message: error.localizedDescription, controller: self, completion: nil)
}
}