diff --git a/CMakeLists.txt b/CMakeLists.txt
index 22e18cc..15b9f89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,7 @@ set(CMAKE_CXX_FLAGS_RELEASE "-O3")
 find_package(Threads REQUIRED)
 add_executable(${PROJECT_NAME} main.cpp )
 target_sources(${PROJECT_NAME} PRIVATE
+    src/admin_filter.cpp
     src/bank_api.cpp
     src/bank.cpp
     src/log.cpp
diff --git a/include/bank_api.h b/include/bank_api.h
index 9fe6f75..97784a8 100644
--- a/include/bank_api.h
+++ b/include/bank_api.h
@@ -1,5 +1,6 @@
 #pragma once
 #include <drogon/HttpController.h>
+#include "admin_filter.h"
 #include "user_filter.h"
 
 using namespace drogon;
diff --git a/main.cpp b/main.cpp
index c192ff0..3a18c95 100644
--- a/main.cpp
+++ b/main.cpp
@@ -87,6 +87,7 @@ int main(int argc, char **argv)
     //endpoints
     auto APIv1 = std::make_shared<v1::api>(bank); //v1
     auto user_filter = std::make_shared<UserFilter>(bank);
+    auto admin_filter = std::make_shared<AdminFilter>(bank);
 
     app().registerPostHandlingAdvice(
         [](const drogon::HttpRequestPtr &req, const drogon::HttpResponsePtr &resp) {
@@ -95,6 +96,7 @@ int main(int argc, char **argv)
     app()
         .loadConfigFile(config_location)
         .registerFilter(user_filter)
+        .registerFilter(admin_filter)
         .registerController(APIv1)
         .setThreadNum(get_nprocs())
         .run();
diff --git a/src/admin_filter.cpp b/src/admin_filter.cpp
index 5c086c7..fa6b9e6 100644
--- a/src/admin_filter.cpp
+++ b/src/admin_filter.cpp
@@ -1,6 +1,6 @@
-#include "user_filter.h"
+#include "admin_filter.h"
 
-static char DecodeChar(const char ch)
+static char DecodeChar2(const char ch)
 {
     if (ch >= 'A' && ch <= 'Z')
     {
@@ -17,7 +17,7 @@ static char DecodeChar(const char ch)
     return 63 - (ch == '-');
 }
 
-char *DecodeBase64(const char *string)
+char *DecodeBase642(const char *string)
 {
     char *output;
     size_t length = strlen(string);
@@ -30,10 +30,10 @@ char *DecodeBase64(const char *string)
     uint32_t storage = 0;
     while (string[4])
     {
-        storage |= DecodeChar(*string++) << 18;
-        storage |= DecodeChar(*string++) << 12;
-        storage |= DecodeChar(*string++) << 6;
-        storage |= DecodeChar(*string++);
+        storage |= DecodeChar2(*string++) << 18;
+        storage |= DecodeChar2(*string++) << 12;
+        storage |= DecodeChar2(*string++) << 6;
+        storage |= DecodeChar2(*string++);
 
         output[index++] = storage >> 16;
         output[index++] = (char)(storage >> 8);
@@ -42,8 +42,8 @@ char *DecodeBase64(const char *string)
         storage = 0;
     }
 
-    storage |= DecodeChar(*string++) << 18;
-    storage |= DecodeChar(*string++) << 12;
+    storage |= DecodeChar2(*string++) << 18;
+    storage |= DecodeChar2(*string++) << 12;
     output[index++] = storage >> 16;
 
     if (*string == '=')
@@ -51,7 +51,7 @@ char *DecodeBase64(const char *string)
         output[index] = '\0';
         return output;
     }
-    storage |= DecodeChar(*string++) << 6;
+    storage |= DecodeChar2(*string++) << 6;
     output[index++] = (char)(storage >> 8);
 
     if (*string == '=')
@@ -59,25 +59,25 @@ char *DecodeBase64(const char *string)
         output[index] = '\0';
         return output;
     }
-    storage |= DecodeChar(*string);
+    storage |= DecodeChar2(*string);
     output[index++] = (char)storage;
 
     output[index] = '\0';
     return output;
 }
 
-UserFilter::UserFilter(Bank &b) : bank(b) {}
+AdminFilter::AdminFilter(Bank &b) : bank(b) {}
 
-void UserFilter::doFilter(const HttpRequestPtr &req,
-                          FilterCallback &&fcb,
-                          FilterChainCallback &&fccb)
+void AdminFilter::doFilter(const HttpRequestPtr &req,
+                           FilterCallback &&fcb,
+                           FilterChainCallback &&fccb)
 {
     const std::string &auth_header = req->getHeader("Authorization");
     if (auth_header.size() > 6)
     {
         if (auth_header.substr(0, 6) == "Basic ")
         {
-            std::stringstream ss(DecodeBase64(auth_header.substr(6).c_str()));
+            std::stringstream ss(DecodeBase642(auth_header.substr(6).c_str()));
             std::string username, password;
             std::getline(ss, username, ':');
             std::getline(ss, password);