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feat(iOS, Android): add AppUUID Lib for plugins (#5690)
* feat(iOS, Android): add AppUUID Lib for plugins * chore: fmt * chore: swift standard style changes
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android/capacitor/src/main/java/com/getcapacitor/AppUUID.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package com.getcapacitor; | ||
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| import android.content.Context; | ||
| import android.content.SharedPreferences; | ||
| import androidx.appcompat.app.AppCompatActivity; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.security.MessageDigest; | ||
| import java.security.NoSuchAlgorithmException; | ||
| import java.util.Objects; | ||
| import java.util.UUID; | ||
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| public final class AppUUID { | ||
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| private static final String KEY = "CapacitorAppUUID"; | ||
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| public static String getAppUUID(AppCompatActivity activity) throws Exception { | ||
| assertAppUUID(activity); | ||
| return readUUID(activity); | ||
| } | ||
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| public static void regenerateAppUUID(AppCompatActivity activity) throws Exception { | ||
| try { | ||
| String uuid = generateUUID(); | ||
| writeUUID(activity, uuid); | ||
| } catch (NoSuchAlgorithmException ex) { | ||
| throw new Exception("Capacitor App UUID could not be generated."); | ||
| } | ||
| } | ||
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| private static void assertAppUUID(AppCompatActivity activity) throws Exception { | ||
| String uuid = readUUID(activity); | ||
| if (uuid.equals("")) { | ||
| regenerateAppUUID(activity); | ||
| } | ||
| } | ||
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| private static String generateUUID() throws NoSuchAlgorithmException { | ||
| MessageDigest salt = MessageDigest.getInstance("SHA-256"); | ||
| salt.update(UUID.randomUUID().toString().getBytes(StandardCharsets.UTF_8)); | ||
| return bytesToHex(salt.digest()); | ||
| } | ||
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| private static String readUUID(AppCompatActivity activity) { | ||
| SharedPreferences sharedPref = activity.getPreferences(Context.MODE_PRIVATE); | ||
| return sharedPref.getString(KEY, ""); | ||
| } | ||
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| private static void writeUUID(AppCompatActivity activity, String uuid) { | ||
| SharedPreferences sharedPref = activity.getPreferences(Context.MODE_PRIVATE); | ||
| SharedPreferences.Editor editor = sharedPref.edit(); | ||
| editor.putString(KEY, uuid); | ||
| editor.apply(); | ||
| } | ||
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| private static String bytesToHex(byte[] bytes) { | ||
| byte[] HEX_ARRAY = "0123456789ABCDEF".getBytes(StandardCharsets.US_ASCII); | ||
| byte[] hexChars = new byte[bytes.length * 2]; | ||
| for (int j = 0; j < bytes.length; j++) { | ||
| int v = bytes[j] & 0xFF; | ||
| hexChars[j * 2] = HEX_ARRAY[v >>> 4]; | ||
| hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F]; | ||
| } | ||
| return new String(hexChars, StandardCharsets.UTF_8); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| import CommonCrypto | ||
| import Foundation | ||
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| private func hexString(_ iterator: Array<UInt8>.Iterator) -> String { | ||
| return iterator.map { String(format: "%02x", $0) }.joined() | ||
| } | ||
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| extension Data { | ||
| public var sha256: String { | ||
| var digest = [UInt8](repeating: 0, count: Int(CC_SHA256_DIGEST_LENGTH)) | ||
| self.withUnsafeBytes { bytes in | ||
| _ = CC_SHA256(bytes.baseAddress, CC_LONG(self.count), &digest) | ||
| } | ||
| return hexString(digest.makeIterator()) | ||
| } | ||
| } | ||
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| public class AppUUID { | ||
| private static let key: String = "CapacitorAppUUID" | ||
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| public static func getAppUUID() -> String { | ||
| assertAppUUID() | ||
| return readUUID() | ||
| } | ||
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| public static func regenerateAppUUID() { | ||
| let uuid = generateUUID() | ||
| writeUUID(uuid) | ||
| } | ||
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| private static func assertAppUUID() { | ||
| let uuid = readUUID() | ||
| if uuid == "" { | ||
| regenerateAppUUID() | ||
| } | ||
| } | ||
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| private static func generateUUID() -> String { | ||
| let uuid: String = UUID.init().uuidString | ||
| return uuid.data(using: .utf8)!.sha256 | ||
| } | ||
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| private static func readUUID() -> String { | ||
| let defaults = UserDefaults.standard | ||
| return defaults.string(forKey: key) ?? "" | ||
| } | ||
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| private static func writeUUID(_ uuid: String) { | ||
| let defaults = UserDefaults.standard | ||
| defaults.set(uuid, forKey: key) | ||
| } | ||
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| } |