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Updates SourceError.blocked recovery suggestion to list installed/blocked apps

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If source is already added, the error message will list all installed apps from the source.

If adding source for first time, the error message will mention exactly which apps have been blocked from the source (if provided).
This commit is contained in:
Riley Testut
2023-05-16 15:39:38 -05:00
parent 6053a075f4
commit fe412a07b6
8 changed files with 202 additions and 86 deletions
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59
AltStore/Operations/FetchSourceOperation.swift
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@@ -58,6 +58,28 @@ class FetchSourceOperation: ResultOperation<Source>
{
super.main()
if let source = self.source
{
// Check if source is blocked before fetching it.
do
{
try self.managedObjectContext.performAndWait {
// Source must be from self.managedObjectContext
let source = self.managedObjectContext.object(with: source.objectID) as! Source
try self.verifySourceNotBlocked(source, response: nil)
}
}
catch
{
self.managedObjectContext.perform {
self.finish(.failure(error))
}
return
}
}
let dataTask = self.session.dataTask(with: self.sourceURL) { (data, response, error) in
let childContext = DatabaseManager.shared.persistentContainer.newBackgroundContext(withParent: self.managedObjectContext)
@@ -129,21 +151,7 @@ private extension FetchSourceOperation
{
func verify(_ source: Source, response: URLResponse) throws
{
if let blockedSourceIDs = UserDefaults.shared.blockedSourceIDs
{
guard !blockedSourceIDs.contains(source.identifier) else { throw SourceError.blocked(source) }
}
if let blockedSourceURLs = UserDefaults.shared.blockedSourceURLs
{
guard !blockedSourceURLs.contains(source.sourceURL) else { throw SourceError.blocked(source) }
if let responseURL = response.url
{
// responseURL may differ from sourceURL (e.g. due to redirects), so double-check it's also not blocked.
guard !blockedSourceURLs.contains(responseURL) else { throw SourceError.blocked(source) }
}
}
try self.verifySourceNotBlocked(source, response: response)
var bundleIDs = Set<String>()
for app in source.apps
@@ -175,4 +183,25 @@ private extension FetchSourceOperation
guard source.identifier == previousSourceID else { throw SourceError.changedID(source.identifier, previousID: previousSourceID, source: source) }
}
}
func verifySourceNotBlocked(_ source: Source, response: URLResponse?) throws
{
guard let blockedSources = UserDefaults.shared.blockedSources else { return }
for blockedSource in blockedSources
{
guard
source.identifier != blockedSource.identifier,
source.sourceURL.absoluteString.lowercased() != blockedSource.sourceURL?.absoluteString.lowercased()
else { throw SourceError.blocked(source, bundleIDs: blockedSource.bundleIDs, existingSource: self.source) }
if let responseURL = response?.url
{
// responseURL may differ from source.sourceURL (e.g. due to redirects), so double-check it's also not blocked.
guard responseURL.absoluteString.lowercased() != blockedSource.sourceURL?.absoluteString.lowercased() else {
throw SourceError.blocked(source, bundleIDs: blockedSource.bundleIDs, existingSource: self.source)
}
}
}
}
}