HBASE-17728 Create separate build target for Configuration classes

core/BUCK

diff --git a/core/BUCK b/core/BUCK
index e40236f..fd4c0dc 100644
--- a/core/BUCK
+++ b/core/BUCK
@@ -33,8 +33,6 @@
         "meta-utils.h",
         "get.h",
         "time-range.h",
-        "configuration.h",
-        "hbase-configuration-loader.h",
         "scan.h",
         "result.h",
         "request-converter.h",
@@ -52,8 +50,6 @@
         "meta-utils.cc",
         "get.cc",
         "time-range.cc",
-        "configuration.cc",
-        "hbase-configuration-loader.cc",
         "scan.cc",
         "result.cc",
         "request-converter.cc",
@@ -64,6 +60,7 @@
         "//exceptions:exceptions",
         "//utils:utils",
         "//connection:connection",
+        "//core:conf",
         "//if:if",
         "//serde:serde",
         "//third-party:folly",
@@ -74,6 +71,21 @@
     visibility=[
         'PUBLIC',
     ],)
+cxx_library(
+    name="conf",
+    exported_headers=[
+        "configuration.h",
+        "hbase-configuration-loader.h",
+    ],
+    srcs=[
+        "configuration.cc",
+        "hbase-configuration-loader.cc",
+    ],
+    deps=["//third-party:folly"],
+    compiler_flags=['-Weffc++', '-ggdb'],
+    visibility=[
+        'PUBLIC',
+    ],)
 cxx_test(
     name="location-cache-test",
     srcs=[

security/BUCK

diff --git a/security/BUCK b/security/BUCK
index d602ff3..1199797 100644
--- a/security/BUCK
+++ b/security/BUCK
@@ -23,6 +23,6 @@
         "user.h",
     ],
     srcs=[],
-    deps=[],
+    deps=["//core:conf"],
     compiler_flags=['-Weffc++'],
     visibility=['//core/...', '//connection/...'],)

security/user.h

diff --git a/security/user.h b/security/user.h
index 8a15891..372ab44 100644
--- a/security/user.h
+++ b/security/user.h
@@ -18,10 +18,13 @@
  */
 #pragma once
 
+#include <mutex>
 #include <string>
+#include "core/configuration.h"
 
 namespace hbase {
 namespace security {
+static constexpr const char* kKerberos = "kerberos";
 class User {
  public:
   explicit User(const std::string& user_name) : user_name_(user_name) {}
@@ -31,6 +34,9 @@
 
   static std::shared_ptr<User> defaultUser() { return std::make_shared<User>("__drwho"); }
 
+  static bool IsSecurityEnabled(const Configuration& conf) {
+    return conf.Get("hbase.security.authentication", "").compare(kKerberos) == 0;
+  }
  private:
   std::string user_name_;
 };