fix(ios): Honor Sentry.Mask in error screenshots

CHANGELOG.md

@@ -11,6 +11,7 @@
 ### Fixes
 
 - Enable native logs on Android when `enableLogs` is set ([#6967](https://github.com/getsentry/sentry-react-native/pull/6967))
+- Honor `<Sentry.Mask>` in iOS error screenshots ([#6974](https://github.com/getsentry/sentry-react-native/pull/6974))
 
 ## 8.33.0
 

packages/core/RNSentryCocoaTester/RNSentryCocoaTesterTests/RNSentryStartTests.swift

@@ -225,6 +225,44 @@ final class RNSentryStartTests: XCTestCase {
         XCTAssertTrue(actualOptions.screenshot.maskAllImages)
     }
 
+    func testScreenshotMasksSentryMaskComponent() throws {
+        try startFromRN(options: [
+            "dsn": "https://abcd@efgh.ingest.sentry.io/123456",
+            "attachScreenshot": true,
+            "screenshot": [
+                "maskAllText": false,
+                "maskAllImages": false
+            ]
+        ])
+
+        let maskedViewClasses = SentrySDK.internal.options.screenshot.maskedViewClasses
+        XCTAssertTrue(maskedViewClasses.contains { $0 == RNSentryReplay.getMaskClass() })
+    }
+
+    func testScreenshotMasksSentryMaskComponentWithoutScreenshotOptions() throws {
+        try startFromRN(options: [
+            "dsn": "https://abcd@efgh.ingest.sentry.io/123456",
+            "attachScreenshot": true
+        ])
+
+        let maskedViewClasses = SentrySDK.internal.options.screenshot.maskedViewClasses
+        XCTAssertTrue(maskedViewClasses.contains { $0 == RNSentryReplay.getMaskClass() })
+    }
+
+    func testScreenshotKeepsUserMaskedViewClassesWithSentryMaskComponent() throws {
+        try startFromRN(options: [
+            "dsn": "https://abcd@efgh.ingest.sentry.io/123456",
+            "attachScreenshot": true,
+            "screenshot": [
+                "maskedViewClasses": ["UILabel"]
+            ]
+        ])
+
+        let maskedViewClasses = SentrySDK.internal.options.screenshot.maskedViewClasses
+        XCTAssertTrue(maskedViewClasses.contains { $0 == UILabel.self })
+        XCTAssertTrue(maskedViewClasses.contains { $0 == RNSentryReplay.getMaskClass() })
+    }
+
     func testMemoryIntrospectionOption() throws {
         try startFromRN(options: [
             "dsn": "https://abcd@efgh.ingest.sentry.io/123456",

packages/core/ios/RNSentryStart.m

@@ -121,6 +121,18 @@ + (SentryOptions *_Nullable)createOptionsWithDictionary:(NSDictionary *_Nonnull)
             sentryOptions.screenshot.unmaskedViewClasses = classes;
         }
     }
+
+    // Honor <Sentry.Mask> in error screenshots, the same as in Session Replay. The native SDK only
+    // lets hybrid SDKs set the mask container class on the replay photographer, so register it as
+    // a masked view class instead: the wrapper's whole frame is masked, covering its children.
+    // <Sentry.Unmask> needs a container class (children are unmasked), which isn't available yet.
+#    if SENTRY_TARGET_REPLAY_SUPPORTED
+    Class maskClass = [RNSentryReplay getMaskClass];
+    if (![sentryOptions.screenshot.maskedViewClasses containsObject:maskClass]) {
+        sentryOptions.screenshot.maskedViewClasses =
+            [sentryOptions.screenshot.maskedViewClasses arrayByAddingObject:maskClass];
+    }
+#    endif
 #endif
 
     // Exclude Dev Server and Sentry Dsn request from Breadcrumbs