feat: gate download behind development certificate on iOS

.gitignore

@@ -19,6 +19,8 @@ expo-env.d.ts
 apps/expo/.gitignore
 ios/
 android/
+!modules/*/ios/
+!modules/*/android/
 
 # production
 build

.vscode/launch.json

@@ -0,0 +1,60 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Run iOS",
+			"request": "launch",
+			"runtimeArgs": [
+				"ios",
+			],
+			"cwd": "${workspaceFolder}/apps/expo",
+			"runtimeExecutable": "pnpm",
+			"skipFiles": [
+				"<node_internals>/**"
+			],
+			"type": "node"
+		},
+		{
+			"name": "Run Android",
+			"request": "launch",
+			"runtimeArgs": [
+				"android",
+			],
+			"cwd": "${workspaceFolder}/apps/expo",
+			"runtimeExecutable": "pnpm",
+			"skipFiles": [
+				"<node_internals>/**"
+			],
+			"type": "node"
+		},
+		{
+			"name": "Build IPA",
+			"request": "launch",
+			"runtimeArgs": [
+				"ipa",
+			],
+			"cwd": "${workspaceFolder}/apps/expo",
+			"runtimeExecutable": "pnpm",
+			"skipFiles": [
+				"<node_internals>/**"
+			],
+			"type": "node"
+		},
+		{
+			"name": "Build APK",
+			"request": "launch",
+			"runtimeArgs": [
+				"apk",
+			],
+			"cwd": "${workspaceFolder}/apps/expo",
+			"runtimeExecutable": "pnpm",
+			"skipFiles": [
+				"<node_internals>/**"
+			],
+			"type": "node"
+		},
+	]
+}

.vscode/settings.json

@@ -24,5 +24,8 @@
 ],
 "[github-actions-workflow]": {
 	"editor.defaultFormatter": "esbenp.prettier-vscode"
+},
+"[jsonc]": {
+	"editor.defaultFormatter": "vscode.json-language-features"
 }
 }

apps/expo/modules/check-ios-certificate/expo-module.config.json

@@ -0,0 +1,6 @@
+{
+  "platforms": ["ios"],
+  "ios": {
+    "modules": ["CheckIosCertificateModule"]
+  }
+}

apps/expo/modules/check-ios-certificate/index.ts

@@ -0,0 +1,11 @@
+// Import the native module. On web, it will be resolved to CheckIosCertificate.web.ts
+// and on native platforms to CheckIosCertificate.ts
+import CheckIosCertificateModule from "./src/CheckIosCertificateModule";
+
+interface CheckIosCertificateModule {
+	isDevelopmentProvisioningProfile(): boolean;
+}
+
+export function isDevelopmentProvisioningProfile(): boolean {
+	return (CheckIosCertificateModule as CheckIosCertificateModule).isDevelopmentProvisioningProfile();
+}

apps/expo/modules/check-ios-certificate/ios/CheckIosCertificate.podspec

@@ -0,0 +1,21 @@
+Pod::Spec.new do |s|
+  s.name           = 'CheckIosCertificate'
+  s.version        = '1.0.0'
+  s.summary        = 'A sample project summary'
+  s.description    = 'A sample project description'
+  s.author         = ''
+  s.homepage       = 'https://docs.expo.dev/modules/'
+  s.platforms      = { :ios => '13.4', :tvos => '13.4' }
+  s.source         = { git: '' }
+  s.static_framework = true
+
+  s.dependency 'ExpoModulesCore'
+
+  # Swift/Objective-C compatibility
+  s.pod_target_xcconfig = {
+    'DEFINES_MODULE' => 'YES',
+    'SWIFT_COMPILATION_MODE' => 'wholemodule'
+  }
+
+  s.source_files = "**/*.{h,m,mm,swift,hpp,cpp}"
+end

apps/expo/modules/check-ios-certificate/ios/CheckIosCertificateModule.swift

@@ -0,0 +1,37 @@
+import ExpoModulesCore
+
+public class CheckIosCertificateModule: Module {
+    // Each module class must implement the definition function. The definition consists of components
+    // that describes the module's functionality and behavior.
+    // See https://docs.expo.dev/modules/module-api for more details about available components.
+    public func definition() -> ModuleDefinition {
+        // Sets the name of the module that JavaScript code will use to refer to the module. Takes a string as an argument.
+        // Can be inferred from module's class name, but it's recommended to set it explicitly for clarity.
+        // The module will be accessible from `requireNativeModule('CheckIosCertificate')` in JavaScript.
+        Name("CheckIosCertificate")
+
+        // Defines a JavaScript synchronous function that runs the native code on the JavaScript thread.
+        Function("isDevelopmentProvisioningProfile") {
+            #if targetEnvironment(simulator)
+            // Running on the Simulator
+            return true
+            #else
+            // Check for provisioning profile for non-Simulator execution
+            guard let filePath = Bundle.main.path(forResource: "embedded", ofType: "mobileprovision") else {
+                return false
+            }
+
+            let fileURL = URL(fileURLWithPath: filePath)
+            do {
+                let data = try String(contentsOf: fileURL, encoding: .ascii)
+                let cleared = data.components(separatedBy: .whitespacesAndNewlines).joined()
+                return cleared.contains("<key>get-task-allow</key><true/>")
+            } catch {
+                // Handling error if the file read fails
+                print("Error reading provisioning profile: \(error)")
+                return false
+            }
+            #endif
+        }
+    }
+}

apps/expo/modules/check-ios-certificate/src/CheckIosCertificateModule.ts

@@ -0,0 +1,5 @@
+import { requireNativeModule } from "expo-modules-core";
+
+// It loads the native module object from the JSI or falls back to
+// the bridge module (from NativeModulesProxy) if the remote debugger is on.
+export default requireNativeModule("CheckIosCertificate");

apps/expo/src/app/(tabs)/downloads.tsx

@@ -1,18 +1,25 @@
 import type { Asset } from "expo-media-library";
 import React from "react";
+import { Alert, Platform } from "react-native";
 import { ScrollView } from "react-native-gesture-handler";
-import { useRouter } from "expo-router";
+import { useFocusEffect, useRouter } from "expo-router";
 import { MaterialCommunityIcons } from "@expo/vector-icons";
+import { isDevelopmentProvisioningProfile } from "modules/check-ios-certificate";
 import { useTheme, YStack } from "tamagui";
 
+
+
 import type { ScrapeMedia } from "@movie-web/provider-utils";
 
+
+
 import { DownloadItem } from "~/components/DownloadItem";
 import ScreenLayout from "~/components/layout/ScreenLayout";
 import { MWButton } from "~/components/ui/Button";
 import { useDownloadManager } from "~/hooks/DownloadManagerContext";
 import { usePlayerStore } from "~/stores/player/store";
 
+
 const DownloadsScreen: React.FC = () => {
   const { startDownload, downloads } = useDownloadManager();
   const resetVideo = usePlayerStore((state) => state.resetVideo);
@@ -20,6 +27,23 @@ const DownloadsScreen: React.FC = () => {
   const router = useRouter();
   const theme = useTheme();
 
+  useFocusEffect(
+    React.useCallback(() => {
+      if (Platform.OS === "ios" && !isDevelopmentProvisioningProfile()) {
+        Alert.alert(
+          "Production Certificate",
+          "Download functionality is not available when the application is signed with a distribution certificate.",
+          [
+            {
+              text: "OK",
+              onPress: () => router.back(),
+            },
+          ],
+        );
+      }
+    }, [router]),
+  );
+
   const handlePress = (asset?: Asset) => {
     if (!asset) return;
     resetVideo();
@@ -44,6 +68,9 @@ const DownloadsScreen: React.FC = () => {
       tmdbId: "98765",
     },
   };
+
+  console.log(isDevelopmentProvisioningProfile());
+
   return (
     <ScreenLayout>
       <YStack gap={2} style={{ padding: 10 }}>
@@ -101,4 +128,4 @@ const DownloadsScreen: React.FC = () => {
   );
 };
 
-export default DownloadsScreen;
+export default DownloadsScreen;

apps/expo/src/components/player/BottomControls.tsx

@@ -1,5 +1,6 @@
 import { useCallback, useMemo, useState } from "react";
-import { TouchableOpacity } from "react-native";
+import { Platform, TouchableOpacity } from "react-native";
+import { isDevelopmentProvisioningProfile } from "modules/check-ios-certificate";
 import { Text, View } from "tamagui";
 
 import { usePlayerStore } from "~/stores/player/store";
@@ -84,7 +85,10 @@ export const BottomControls = ({ isLocalAsset }: { isLocalAsset: boolean }) => {
               <AudioTrackSelector />
               <PlaybackSpeedSelector />
               <QualitySelector />
-              <DownloadButton />
+              {Platform.OS === "android" ||
+              (Platform.OS === "ios" && isDevelopmentProvisioningProfile()) ? (
+                <DownloadButton />
+              ) : null}
             </>
           )}
         </View>

apps/expo/tsconfig.json

@@ -7,6 +7,7 @@
     "paths": {
       "~/*": ["./src/*"],
       "~/components/*": ["./src/components/*"],
+      "modules/*": ["./modules/*"],
     },
     "jsx": "react-native",
     "tsBuildInfoFile": "node_modules/.cache/tsbuildinfo.json",