授权码加密到文件，优化存储

app/src/main/java/com/miya/fastcashier/util/manage/AccountPasswordManageKit.kt

@@ -4,18 +4,21 @@ import android.Manifest
 import android.os.Environment
 import android.text.TextUtils
 import androidx.appcompat.app.AppCompatActivity
+import com.blankj.utilcode.util.EncodeUtils
 import com.blankj.utilcode.util.FileIOUtils
 import com.blankj.utilcode.util.FileUtils
 import com.blankj.utilcode.util.ToastUtils
 import com.fastcashier.lib_common.function.account.AccountService.getAccountPassword
 import com.fastcashier.lib_common.function.account.AccountService.getUserName
 import com.fastcashier.lib_common.function.account.AccountService.setAccountPassword
+import com.fastcashier.lib_common.util.isBase64
 import com.permissionx.guolindev.PermissionX
+import java.nio.charset.Charset
 import java.util.concurrent.Executors
 
 /**
  * 类描述：账户管理员密码管理
- * 概述：
+ * 概述：密码以base64处理存到本地，初始化时解码到内存
  * 创建人：zpxiang
  * 创建时间：2022/4/1
  * 修改人：
@@ -34,6 +37,7 @@ class AccountPasswordManageKit private constructor() {
                 }
                 return sInstance
             }
+
         @Synchronized
         fun get(): AccountPasswordManageKit {
             return instance!!
@@ -67,9 +71,14 @@ class AccountPasswordManageKit private constructor() {
     fun initAccountPassword(context: AppCompatActivity, callback: AccountPasswordManageCallback?) {
         if (FileUtils.isFileExists(currentAccountFilePath)) {
             Executors.newCachedThreadPool().execute {
-                val password = FileIOUtils.readFile2String(
+                val password64 = FileIOUtils.readFile2String(
                     currentAccountFilePath
                 )
+
+                val password = if (isBase64(password64))
+                    EncodeUtils.base64Decode(password64).toString(Charset.defaultCharset())
+                else password64
+
                 setAccountPassword(password)
                 context.runOnUiThread { callback?.onPasswordGet(password) }
             }
@@ -77,11 +86,12 @@ class AccountPasswordManageKit private constructor() {
         }
         setAccountPassword(ACCOUNT_DEFAULT_PASSWORD)
         callback?.onPasswordGet(ACCOUNT_DEFAULT_PASSWORD)
+        val password64 = EncodeUtils.base64Encode2String(ACCOUNT_DEFAULT_PASSWORD.toByteArray())
         if (FileUtils.createOrExistsFile(currentAccountFilePath)) {
             Executors.newCachedThreadPool().execute {
                 FileIOUtils.writeFileFromString(
                     currentAccountFilePath,
-                    ACCOUNT_DEFAULT_PASSWORD
+                    password64
                 )
             }
         }
@@ -117,8 +127,9 @@ class AccountPasswordManageKit private constructor() {
             FileUtils.deleteAllInDir(currentAccountFilePath)
         }
         if (FileUtils.createOrExistsFile(currentAccountFilePath)) {
+            val password64 = EncodeUtils.base64Encode2String(password.toByteArray())
             Executors.newCachedThreadPool()
-                .execute { FileIOUtils.writeFileFromString(currentAccountFilePath, password) }
+                .execute { FileIOUtils.writeFileFromString(currentAccountFilePath, password64) }
         }
     }
 }
\ No newline at end of file

lib_common/src/main/java/com/fastcashier/lib_common/util/BaseFunction.kt

@@ -11,6 +11,7 @@ import android.text.TextUtils
 import java.net.Inet4Address
 import java.net.NetworkInterface
 import java.net.SocketException
+import java.util.regex.Pattern
 
 fun isEmpty(s: String?): Boolean {
     return TextUtils.isEmpty(s)
@@ -144,3 +145,13 @@ fun isNetworkConnected(context: Context?): Boolean {
     }
     return false
 }
+
+
+/**
+ *  判断是否为Base64编码后的数据
+ */
+fun isBase64(str: String): Boolean {
+    val base64Pattern =
+        "^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$"
+    return Pattern.matches(base64Pattern, str)
+}
\ No newline at end of file