misc: flushSystemDnsCache

(cherry picked from commit b27e11f)

Author: mrFq1

ClashX/AppDelegate.swift

@@ -860,28 +860,9 @@ extension AppDelegate {
         }
     }
 
-    @IBAction func flushFakeipCache(_ sender: NSMenuItem) {
-        let group = DispatchGroup()
-        
-        var flushFakeipCacheResult = false
-        var flushDNSCacheResult = false
-        
-        group.enter()
-        ApiRequest.flushFakeipCache {
-            flushFakeipCacheResult = $0
-            group.leave()
-        }
-        
-        group.enter()
-        ApiRequest.flushDNSCache {
-            flushDNSCacheResult = $0
-            group.leave()
-        }
-        
-        group.notify(queue: .main) {
-            let info = (flushFakeipCacheResult && flushDNSCacheResult) ? "Success" : "Failed"
-            UserNotificationCenter.shared.post(title: NSLocalizedString("Flush dns cache", comment: ""), info: info)
-        }
+    @IBAction func flushDNSCache(_ sender: NSMenuItem) {
+        ApiRequest.flushDNSCache()
+        PrivilegedHelperManager.shared.helper()?.flushDnsCache()
     }
 
     @IBAction func updateSniffing(_ sender: NSMenuItem) {

ClashX/Base.lproj/Main.storyboard

@@ -242,8 +242,7 @@ struct ConfigView: View {
 
 			ConfigItemView(name: "FakeIP") {
 				Button {
-					ApiRequest.flushFakeipCache()
-                    ApiRequest.flushDNSCache()
+                    AppDelegate.shared.flushDNSCache(NSMenuItem())
 				} label: {
 					Text("Flush dns cache")
 				}

ClashX/Dashboard/Views/ContentTabs/Config/ConfigView.swift

@@ -488,8 +488,32 @@ extension ApiRequest {
             completeHandler?()
         }
     }
+    
+    static func flushDNSCache() {
+        let group = DispatchGroup()
+        
+        var flushFakeipCacheResult = false
+        var flushDNSCacheResult = false
+        
+        group.enter()
+        ApiRequest.flushFakeipCache {
+            flushFakeipCacheResult = $0
+            group.leave()
+        }
+        
+        group.enter()
+        ApiRequest.flushDNSCache {
+            flushDNSCacheResult = $0
+            group.leave()
+        }
+        
+        group.notify(queue: .main) {
+            let info = (flushFakeipCacheResult && flushDNSCacheResult) ? "Success" : "Failed"
+            UserNotificationCenter.shared.post(title: NSLocalizedString("Flush dns cache", comment: ""), info: info)
+        }
+    }
 
-    static func flushFakeipCache(completeHandler: ((Bool) -> Void)? = nil) {
+    private static func flushFakeipCache(completeHandler: ((Bool) -> Void)? = nil) {
         Logger.log("FlushFakeipCache")
         req("/cache/fakeip/flush",
             method: .post).response {
@@ -499,7 +523,7 @@ extension ApiRequest {
         }
     }
 
-    static func flushDNSCache(completeHandler: ((Bool) -> Void)? = nil) {
+    private static func flushDNSCache(completeHandler: ((Bool) -> Void)? = nil) {
         Logger.log("FlushDNSCache")
         req("/cache/dns/flush",
             method: .post).response {

ClashX/General/ApiRequest.swift

@@ -9,9 +9,9 @@
 	<key>CFBundleName</key>
 	<string>com.metacubex.ClashX.ProxyConfigHelper</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.14</string>
+	<string>1.15</string>
 	<key>CFBundleVersion</key>
-	<string>24</string>
+	<string>25</string>
 	<key>SMAuthorizedClients</key>
 	<array>
 		<string>anchor apple generic and identifier &quot;com.metacubex.ClashX.ProxyConfigHelper&quot; and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = MEWHFZ92DY)</string>

ProxyConfigHelper/Helper-Info.plist

@@ -143,4 +143,11 @@ extension ProxyConfigHelper: ProxyConfigRemoteProcessProtocol {
 			self.metaDNS.flushDnsCache()
 		}
 	}
+    
+    func flushDnsCache() {
+        DispatchQueue.main.async {
+            self.metaDNS.flushDnsCache()
+        }
+    }
+    
 }

ProxyConfigHelper/ProxyConfigHelper.swift

@@ -16,6 +16,7 @@ protocol ProxyConfigRemoteProcessProtocol {
 	func updateTun(state: Bool, dns: String)
 	func getUsedPorts(reply: @escaping (String?) -> Void)
 
+    func flushDnsCache()
 
 	func enableProxy(port: Int, socksPort: Int, pac: String?, filterInterface: Bool, ignoreList: [String], reply: @escaping (String?) -> Void)
 	func disableProxy(filterInterface: Bool, reply: @escaping (String?) -> Void)