diff --git a/AltStore.xcodeproj/project.pbxproj b/AltStore.xcodeproj/project.pbxproj
index 1aee238d..4daf0e30 100644
--- a/AltStore.xcodeproj/project.pbxproj
+++ b/AltStore.xcodeproj/project.pbxproj
@@ -358,6 +358,7 @@
 		D58D5F2E26DFE68E00E55E38 /* LaunchAtLogin in Frameworks */ = {isa = PBXBuildFile; productRef = D58D5F2D26DFE68E00E55E38 /* LaunchAtLogin */; };
 		D593F1942717749A006E82DE /* PatchAppOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D593F1932717749A006E82DE /* PatchAppOperation.swift */; };
 		D5DAE0942804B0B80034D8D4 /* ScreenshotProcessor.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5DAE0932804B0B80034D8D4 /* ScreenshotProcessor.swift */; };
+		D5E1E7C128077DE90016FC96 /* FetchTrustedSourcesOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5E1E7C028077DE90016FC96 /* FetchTrustedSourcesOperation.swift */; };
 		D5F2F6A92720B7C20081CCF5 /* PatchViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5F2F6A82720B7C20081CCF5 /* PatchViewController.swift */; };
 /* End PBXBuildFile section */
 
@@ -818,6 +819,7 @@
 		D57F2C9326E01BC700B9FA39 /* UIDevice+Vibration.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIDevice+Vibration.swift"; sourceTree = "<group>"; };
 		D593F1932717749A006E82DE /* PatchAppOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PatchAppOperation.swift; sourceTree = "<group>"; };
 		D5DAE0932804B0B80034D8D4 /* ScreenshotProcessor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScreenshotProcessor.swift; sourceTree = "<group>"; };
+		D5E1E7C028077DE90016FC96 /* FetchTrustedSourcesOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FetchTrustedSourcesOperation.swift; sourceTree = "<group>"; };
 		D5F2F6A82720B7C20081CCF5 /* PatchViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PatchViewController.swift; sourceTree = "<group>"; };
 		EA79A60285C6AF5848AA16E9 /* Pods-AltStore.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-AltStore.debug.xcconfig"; path = "Target Support Files/Pods-AltStore/Pods-AltStore.debug.xcconfig"; sourceTree = "<group>"; };
 		FC3822AB1C4CF1D4CDF7445D /* Pods_AltServer.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_AltServer.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -1675,6 +1677,7 @@
 				BFDBBD7F246CB84F004ED2F3 /* RemoveAppBackupOperation.swift */,
 				BFF00D312501BDA100746320 /* BackgroundRefreshAppsOperation.swift */,
 				D57F2C9026E0070200B9FA39 /* EnableJITOperation.swift */,
+				D5E1E7C028077DE90016FC96 /* FetchTrustedSourcesOperation.swift */,
 				BF7B44062725A4B8005288A4 /* Patch App */,
 			);
 			path = Operations;
@@ -2547,6 +2550,7 @@
 				BFE6073A231ADF82002B0E8E /* SettingsViewController.swift in Sources */,
 				D57F2C9126E0070200B9FA39 /* EnableJITOperation.swift in Sources */,
 				BF8CAE4E248AEABA004D6CCE /* UIDevice+Jailbreak.swift in Sources */,
+				D5E1E7C128077DE90016FC96 /* FetchTrustedSourcesOperation.swift in Sources */,
 				BFE338DF22F0EADB002E24B9 /* FetchSourceOperation.swift in Sources */,
 				BFB6B21E231870160022A802 /* NewsViewController.swift in Sources */,
 				BFC57A652416C72400EB891E /* DeactivateAppOperation.swift in Sources */,
diff --git a/AltStore/Managing Apps/AppManager.swift b/AltStore/Managing Apps/AppManager.swift
index 072d8651..3939d58a 100644
--- a/AltStore/Managing Apps/AppManager.swift	
+++ b/AltStore/Managing Apps/AppManager.swift	
@@ -394,6 +394,16 @@ extension AppManager
         self.run([fetchAppIDsOperation], context: authenticationOperation.context)
     }
     
+    @discardableResult
+    func fetchTrustedSources(completionHandler: @escaping (Result<[FetchTrustedSourcesOperation.TrustedSource], Error>) -> Void) -> FetchTrustedSourcesOperation
+    {
+        let fetchTrustedSourcesOperation = FetchTrustedSourcesOperation()
+        fetchTrustedSourcesOperation.resultHandler = completionHandler
+        self.run([fetchTrustedSourcesOperation], context: nil)
+        
+        return fetchTrustedSourcesOperation
+    }
+    
     @discardableResult
     func install<T: AppProtocol>(_ app: T, presentingViewController: UIViewController?, context: AuthenticatedOperationContext = AuthenticatedOperationContext(), completionHandler: @escaping (Result<InstalledApp, Error>) -> Void) -> RefreshGroup
     {
diff --git a/AltStore/Operations/FetchTrustedSourcesOperation.swift b/AltStore/Operations/FetchTrustedSourcesOperation.swift
new file mode 100644
index 00000000..8d57ec89
--- /dev/null
+++ b/AltStore/Operations/FetchTrustedSourcesOperation.swift
@@ -0,0 +1,57 @@
+//
+//  FetchTrustedSourcesOperation.swift
+//  AltStore
+//
+//  Created by Riley Testut on 4/13/22.
+//  Copyright © 2022 Riley Testut. All rights reserved.
+//
+
+import Foundation
+
+private extension URL
+{
+    #if STAGING
+    static let trustedSources = URL(string: "https://f000.backblazeb2.com/file/altstore-staging/altstore/trustedsources.json")!
+    #else
+    static let trustedSources = URL(string: "https://cdn.altstore.io/file/altstore/altstore/trustedsources.json")!
+    #endif
+}
+
+extension FetchTrustedSourcesOperation
+{
+    struct TrustedSource: Decodable
+    {
+        var identifier: String
+        var sourceURL: URL?
+    }
+    
+    private struct Response: Decodable
+    {
+        var version: Int
+        var sources: [FetchTrustedSourcesOperation.TrustedSource]
+    }
+}
+
+class FetchTrustedSourcesOperation: ResultOperation<[FetchTrustedSourcesOperation.TrustedSource]>
+{
+    override func main()
+    {
+        super.main()
+        
+        let dataTask = URLSession.shared.dataTask(with: .trustedSources) { (data, response, error) in
+            do
+            {
+                guard let data = data else { throw error! }
+                
+                let response = try Foundation.JSONDecoder().decode(Response.self, from: data)
+                self.finish(.success(response.sources))
+            }
+            catch
+            {
+                self.finish(.failure(error))
+            }
+        }
+        
+        dataTask.resume()
+    }
+}