83 lines
3 KiB
Swift
83 lines
3 KiB
Swift
//
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// GitCredential.swift
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// pass
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//
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// Created by Mingshen Sun on 30/4/2017.
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// Copyright © 2017 Bob Sun. All rights reserved.
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//
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import Foundation
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import UIKit
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import SwiftyUserDefaults
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import ObjectiveGit
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public struct GitCredential {
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private var credential: Credential
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private let passwordStore = PasswordStore.shared
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public enum Credential {
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case http(userName: String)
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case ssh(userName: String, privateKey: String)
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}
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public init(credential: Credential) {
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self.credential = credential
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}
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public func credentialProvider(requestGitPassword: @escaping (Credential, String?) -> String?) throws -> GTCredentialProvider {
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var attempts = 0
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return GTCredentialProvider { (_, _, _) -> (GTCredential?) in
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var credential: GTCredential? = nil
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switch self.credential {
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case let .http(userName):
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if attempts > 3 {
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// After too many failures (say six), the error message "failed to authenticate ssh session" might be confusing.
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return nil
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}
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var lastPassword = self.passwordStore.gitPassword
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if lastPassword == nil || attempts != 0 {
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if let requestedPassword = requestGitPassword(self.credential, lastPassword) {
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if SharedDefaults[.isRememberGitCredentialPassphraseOn] {
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self.passwordStore.gitPassword = requestedPassword
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}
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lastPassword = requestedPassword
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} else {
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return nil
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}
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}
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attempts += 1
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credential = try? GTCredential(userName: userName, password: lastPassword!)
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case let .ssh(userName, privateKey):
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if attempts > 0 {
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// The passphrase seems correct, but the previous authentification failed.
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return nil
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}
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var lastPassword = self.passwordStore.gitSSHPrivateKeyPassphrase
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if lastPassword == nil || attempts != 0 {
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if let requestedPassword = requestGitPassword(self.credential, lastPassword) {
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if SharedDefaults[.isRememberGitCredentialPassphraseOn] {
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self.passwordStore.gitSSHPrivateKeyPassphrase = requestedPassword
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}
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lastPassword = requestedPassword
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} else {
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return nil
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}
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}
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attempts += 1
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credential = try? GTCredential(userName: userName, publicKeyString: nil, privateKeyString: privateKey, passphrase: lastPassword!)
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}
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return credential
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}
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}
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public func delete() {
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switch credential {
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case .http:
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self.passwordStore.gitPassword = nil
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case .ssh:
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self.passwordStore.gitSSHPrivateKeyPassphrase = nil
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}
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}
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}
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