v2.0.12 - better handling of bad cached sofa feeds

Author: erikng

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.0.12] - 2024-09-18
+Requires macOS 12.0 and higher.
+
+### Fixed
+- When cached SOFA feed is malformed, attempt to retry downloading and invalidate for future Nudge runs
+
 ## [2.0.11] - 2024-08-22
 Requires macOS 12.0 and higher.
 

Nudge.xcodeproj/project.pbxproj

@@ -698,7 +698,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 12.0;
-				MARKETING_VERSION = 2.0.11;
+				MARKETING_VERSION = 2.0.12;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.macadmins.Nudge;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -729,7 +729,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 12.0;
-				MARKETING_VERSION = 2.0.11;
+				MARKETING_VERSION = 2.0.12;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.macadmins.Nudge;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";

Nudge/3rd Party Assets/sofa.swift

@@ -222,7 +222,7 @@ extension MacOSDataFeed {
 }
 
 class SOFA: NSObject, URLSessionDelegate {
-    func URLSync(url: URL, maxRetries: Int = 3) -> (data: Data?, response: URLResponse?, error: Error?, responseCode: Int?, eTag: String?) {
+    func URLSync(url: URL, maxRetries: Int = 3, clearCache: Bool = false) -> (data: Data?, response: URLResponse?, error: Error?, responseCode: Int?, eTag: String?) {
         if url.scheme == "file" {
             do {
                 let data = try Data(contentsOf: url)
@@ -233,10 +233,14 @@ class SOFA: NSObject, URLSessionDelegate {
         }
 
         let semaphore = DispatchSemaphore(value: 0)
-        let lastEtag = Globals.nudgeDefaults.string(forKey: "LastEtag") ?? ""
+        var lastEtag = Globals.nudgeDefaults.string(forKey: "LastEtag") ?? ""
         var request = URLRequest(url: url)
         let config = URLSessionConfiguration.default
         config.requestCachePolicy = .useProtocolCachePolicy
+        if clearCache {
+            URLCache.shared.removeAllCachedResponses()
+            lastEtag = ""
+        }
         let session = URLSession(configuration: config, delegate: self, delegateQueue: nil)
 
         request.addValue("\(Globals.bundleID)/\(VersionManager.getNudgeVersion())", forHTTPHeaderField: "User-Agent")

Nudge/Info.plist

@@ -15,9 +15,9 @@
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.0.11</string>
+	<string>2.0.12</string>
 	<key>CFBundleVersion</key>
-	<string>2.0.11</string>
+	<string>2.0.12</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>

Nudge/Utilities/Utils.swift

@@ -1219,7 +1219,7 @@ struct NetworkFileManager {
     }
 
     func redownloadAndReprocessSOFA(url: URL) -> MacOSDataFeed? {
-        let sofaData = SOFA().URLSync(url: url)
+        let sofaData = SOFA().URLSync(url: url, clearCache: true)
         if let responseCode = sofaData.responseCode, responseCode == 200 {
             let fileManager = FileManager.default
             let appSupportDirectory = fileManager.urls(for: .applicationSupportDirectory, in: .userDomainMask).first!
@@ -1233,10 +1233,13 @@ struct NetworkFileManager {
                         try data.write(to: sofaPath)
                     }
                     let assetInfo = try MacOSDataFeed(data: data)
+                    Globals.nudgeDefaults.set(sofaData.eTag, forKey: "LastEtag")
                     return assetInfo
                 } else {
                     LogManager.error("Failed to fetch sofa JSON: No data received.", logger: sofaLog)
-                    return redownloadAndReprocessSOFA(url: url)
+                    LogManager.error("Could not fetch SOFA feed", logger: sofaLog)
+                    nudgePrimaryState.shouldExit = true
+                    exit(1)
                 }
             } catch {
                 LogManager.error("Failed to decode sofa JSON after redownload: \(error.localizedDescription)", logger: sofaLog)