Fix #7103: Shields show Session Restore - Reader Mode Internal URL

Sources/Brave/Frontend/Shields/ShieldsViewController.swift

@@ -18,14 +18,9 @@ class ShieldsViewController: UIViewController, PopoverContentComponent {
   let tab: Tab
   private lazy var url: URL? = {
     guard let _url = tab.url else { return nil }
-
-    if InternalURL.isValid(url: _url),
-       let internalURL = InternalURL(_url) {
-      if internalURL.isErrorPage {
-        return internalURL.originalURLFromErrorPage
-      } else if internalURL.isWeb3URL {
-        return internalURL.extractedUrlParam?.displayURL
-      }
+
+    if let tabURL = _url.stippedInternalURL {
+      return tabURL
     }
 
     return _url

Sources/BraveShared/Extensions/URLExtensions.swift

@@ -5,6 +5,7 @@
 
 import Foundation
 import BraveCore
+import Shared
 
 extension URL {
   /// Obtains a URLOrigin given the current URL
@@ -22,4 +23,60 @@ extension URL {
   public var origin: URLOrigin {
     .init(url: self)
   }
+
+  /// Obtains a clean stripped url from the current Internal URL
+  ///
+  /// Returns the original url without  internal parameters
+  public var stippedInternalURL: URL? {
+    if InternalURL.isValid(url: self),
+       let internalURL = InternalURL(self) {
+
+      switch internalURL.urlType {
+      case .errorPage:
+        return internalURL.originalURLFromErrorPage
+      case .web3Page, .sessionRestorePage, .readerModePage, .aboutHomePage:
+        return internalURL.extractedUrlParam
+      default:
+        return nil
+      }
+    }
+
+    return nil
+  }
+}
+
+extension InternalURL {
+
+  enum URLType {
+    case sessionRestorePage
+    case errorPage
+    case readerModePage
+    case aboutHomePage
+    case web3Page
+    case other
+  }
+
+  var urlType: URLType {
+    if isErrorPage {
+      return .errorPage
+    }
+
+    if isWeb3URL {
+      return .web3Page
+    }
+
+    if isReaderModePage {
+      return .readerModePage
+    }
+
+    if isSessionRestore {
+      return .sessionRestorePage
+    }
+
+    if isAboutHomeURL {
+      return .aboutHomePage
+    }
+
+    return .other
+  }
 }

Tests/BraveSharedTests/URLExtensionTests.swift

@@ -25,5 +25,15 @@ class URLExtensionTests: XCTestCase {
     urls.forEach { XCTAssertEqual(URL(string: $0.0)!.origin.serialized, $0.1) }
     badurls.forEach { XCTAssertTrue(URL(string: $0)!.origin.isOpaque) }
   }
+
+  func testStrippedInternalURL() {
+    let urls = [
+      ("internal://local/web3/ddns?service_id=ethereum&url=http%3A%2F%2Fvitalik%2Eeth%2F", URL(string: "http://vitalik.eth/")),
+      ("internal://local/sessionrestore?url=https://en.m.wikipedia.org/wiki/Main_Page", URL(string: "https://en.m.wikipedia.org/wiki/Main_Page")),
+      ("internal://local/reader-mode?url=https://en.m.wikipedia.org/wiki/Main_Page", URL(string: "https://en.m.wikipedia.org/wiki/Main_Page"))
+    ]
+
+    urls.forEach { XCTAssertEqual(URL(string: $0.0)!.stippedInternalURL, $0.1) }
+  }
 
 }