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[AltServer] Supports app groups when installing AltStore

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Necessary for (de-)activation to work as expected in AltStore 1.3.4.
This commit is contained in:
Riley Testut
2020-05-19 18:30:53 -07:00
parent fff128e1ce
commit f564fc5190
1 changed files with 148 additions and 9 deletions
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157
AltServer/Devices/ALTDeviceManager+Installation.swift
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@@ -16,6 +16,8 @@ private let appURL = URL(string: "https://f000.backblazeb2.com/file/altstore-sta
private let appURL = URL(string: "https://f000.backblazeb2.com/file/altstore/altstore.ipa")!
#endif
private let appGroupsLock = NSLock()
enum InstallError: LocalizedError
{
case cancelled
@@ -125,18 +127,29 @@ extension ALTDeviceManager
{
let appID = try result.get()
self.fetchProvisioningProfile(for: appID, team: team, session: session) { (result) in
self.updateAppGroups(for: appID, app: application, team: team, session: session) { (result) in
do
{
let provisioningProfile = try result.get()
let appID = try result.get()
self.install(application, to: device, team: team, appID: appID, certificate: certificate, profile: provisioningProfile) { (result) in
finish(result.error, title: "Failed to Install AltStore")
self.fetchProvisioningProfile(for: appID, team: team, session: session) { (result) in
do
{
let provisioningProfile = try result.get()
self.install(application, to: device, team: team, appID: appID, certificate: certificate, profile: provisioningProfile) { (result) in
finish(result.error, title: "Failed to Install AltStore")
}
}
catch
{
finish(error, title: "Failed to Fetch Provisioning Profile")
}
}
}
catch
{
finish(error, title: "Failed to Fetch Provisioning Profile")
finish(error, title: "Failed to Update App Groups")
}
}
}
@@ -468,11 +481,119 @@ To prevent this from happening, feel free to try again with another Apple ID to
features[.appGroups] = true
}
let appID = appID.copy() as! ALTAppID
appID.features = features
var updateFeatures = false
ALTAppleAPI.shared.update(appID, team: team, session: session) { (appID, error) in
completionHandler(Result(appID, error))
// Determine whether the required features are already enabled for the AppID.
for (feature, value) in features
{
if let appIDValue = appID.features[feature] as AnyObject?, (value as AnyObject).isEqual(appIDValue)
{
// AppID already has this feature enabled and the values are the same.
continue
}
else
{
// AppID either doesn't have this feature enabled or the value has changed,
// so we need to update it to reflect new values.
updateFeatures = true
break
}
}
if updateFeatures
{
let appID = appID.copy() as! ALTAppID
appID.features = features
ALTAppleAPI.shared.update(appID, team: team, session: session) { (appID, error) in
completionHandler(Result(appID, error))
}
}
else
{
completionHandler(.success(appID))
}
}
func updateAppGroups(for appID: ALTAppID, app: ALTApplication, team: ALTTeam, session: ALTAppleAPISession, completionHandler: @escaping (Result<ALTAppID, Error>) -> Void)
{
let applicationGroups = app.entitlements[.appGroups] as? [String] ?? []
if applicationGroups.isEmpty
{
guard let isAppGroupsEnabled = appID.features[.appGroups] as? Bool, isAppGroupsEnabled else {
// No app groups, and we also haven't enabled the feature, so don't continue.
// For apps with no app groups but have had the feature enabled already
// we'll continue and assign the app ID to an empty array
// in case we need to explicitly remove them.
return completionHandler(.success(appID))
}
}
// Dispatch onto global queue to prevent appGroupsLock deadlock.
DispatchQueue.global().async {
// Ensure we're not concurrently fetching and updating app groups,
// which can lead to race conditions such as adding an app group twice.
appGroupsLock.lock()
func finish(_ result: Result<ALTAppID, Error>)
{
appGroupsLock.unlock()
completionHandler(result)
}
ALTAppleAPI.shared.fetchAppGroups(for: team, session: session) { (groups, error) in
switch Result(groups, error)
{
case .failure(let error): finish(.failure(error))
case .success(let fetchedGroups):
let dispatchGroup = DispatchGroup()
var groups = [ALTAppGroup]()
var errors = [Error]()
for groupIdentifier in applicationGroups
{
let adjustedGroupIdentifier = groupIdentifier + "." + team.identifier
if let group = fetchedGroups.first(where: { $0.groupIdentifier == adjustedGroupIdentifier })
{
groups.append(group)
}
else
{
dispatchGroup.enter()
// Not all characters are allowed in group names, so we replace periods with spaces (like Apple does).
let name = "AltStore " + groupIdentifier.replacingOccurrences(of: ".", with: " ")
ALTAppleAPI.shared.addAppGroup(withName: name, groupIdentifier: adjustedGroupIdentifier, team: team, session: session) { (group, error) in
switch Result(group, error)
{
case .success(let group): groups.append(group)
case .failure(let error): errors.append(error)
}
dispatchGroup.leave()
}
}
}
dispatchGroup.notify(queue: .global()) {
if let error = errors.first
{
finish(.failure(error))
}
else
{
ALTAppleAPI.shared.assign(appID, to: Array(groups), team: team, session: session) { (success, error) in
let result = Result(success, error)
finish(result.map { _ in appID })
}
}
}
}
}
}
}
@@ -520,6 +641,24 @@ To prevent this from happening, feel free to try again with another Apple ID to
infoDictionary[Bundle.Info.deviceID] = device.identifier
infoDictionary[Bundle.Info.serverID] = UserDefaults.standard.serverID
infoDictionary[Bundle.Info.certificateID] = certificate.serialNumber
let openAppURL = URL(string: "altstore-" + application.bundleIdentifier + "://")!
var allURLSchemes = infoDictionary[Bundle.Info.urlTypes] as? [[String: Any]] ?? []
// Embed open URL so AltBackup can return to AltStore.
let altstoreURLScheme = ["CFBundleTypeRole": "Editor",
"CFBundleURLName": application.bundleIdentifier,
"CFBundleURLSchemes": [openAppURL.scheme!]] as [String : Any]
allURLSchemes.append(altstoreURLScheme)
infoDictionary[Bundle.Info.urlTypes] = allURLSchemes
if let appGroups = profile.entitlements[.appGroups] as? [String]
{
infoDictionary[Bundle.Info.appGroups] = appGroups
}
try (infoDictionary as NSDictionary).write(to: infoPlistURL)
if