From d8d88d6f4d1f7e951346044ba781a87f7beb8439 Mon Sep 17 00:00:00 2001
From: dujingcheng <dujingcheng@huawei.com>
Date: Mon, 23 May 2022 18:44:45 +0800
Subject: [PATCH] deviceId Anonymize

Signed-off-by: dujingcheng <dujingcheng@huawei.com>
Change-Id: I5da18c1e7acb95971f2fefb09b2aaeffec2090ba
---
 services/bundlemgr/src/hidump_helper.cpp | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/services/bundlemgr/src/hidump_helper.cpp b/services/bundlemgr/src/hidump_helper.cpp
index 7b44e62f..2823a43a 100644
--- a/services/bundlemgr/src/hidump_helper.cpp
+++ b/services/bundlemgr/src/hidump_helper.cpp
@@ -25,6 +25,7 @@ const int32_t MIN_ARGS_SIZE = 1;
 const int32_t MAX_ARGS_SIZE = 2;
 const int32_t FIRST_PARAM = 0;
 const int32_t SECOND_PARAM = 1;
+const int32_t NON_ANONYMIZE_LEN = 4;
 const std::string ARGS_HELP = "-h";
 const std::string ARGS_ABILITY = "-ability";
 const std::string ARGS_ABILITY_LIST = "-ability-list";
@@ -42,6 +43,22 @@ const std::unordered_map<std::string, HidumpFlag> ARGS_MAP = {
     { ARGS_BUNDLE_LIST, HidumpFlag::GET_BUNDLE_LIST },
     { ARGS_DEVICEID, HidumpFlag::GET_DEVICEID },
 };
+
+std::string AnonymizeDeviceId(const std::string &deviceId)
+{
+    int32_t totalLen = static_cast<int32_t>(strlen(deviceId.c_str()));
+    int32_t anonymizeCharNum = totalLen - NON_ANONYMIZE_LEN - NON_ANONYMIZE_LEN;
+    if (anonymizeCharNum <= 0) {
+        return deviceId;
+    }
+
+    std::string newDeviceId;
+    newDeviceId
+        .append(deviceId.substr(0, NON_ANONYMIZE_LEN))
+        .append(anonymizeCharNum, '*')
+        .append(deviceId.substr(totalLen - NON_ANONYMIZE_LEN, NON_ANONYMIZE_LEN));
+    return newDeviceId;
+}
 }
 
 HidumpHelper::HidumpHelper(const std::weak_ptr<BundleDataMgr> &dataMgr)
@@ -364,7 +381,7 @@ ErrCode HidumpHelper::GetAllDeviced(std::string &result)
     }
 
     for (auto deviceId : deviceIds) {
-        result.append(deviceId);
+        result.append(AnonymizeDeviceId(deviceId));
         result.append("\n");
     }