Pass device grant test.

src/Authorizer.cpp

@@ -25,7 +25,7 @@ std::optional<std::string> getKey(const std::string &user, const YAML::Node &key
 
 // Class implementation.
 Authorizer::Authorizer(const std::string &keyFilePath, const std::string &aclFilePath) :
-    _keyFile{keyFilePath}, _aclFile{aclFilePath}
+    _keyFile{YAML::LoadFile(keyFilePath)}, _aclFile{YAML::LoadFile(aclFilePath)}
 {
 }
 
@@ -98,6 +98,7 @@ bool Authorizer::is_unknown(const std::string &username)
 std::tuple<bool, bool> checkACL(const std::string &user, const YAML::Node &aclFile)
 {
     // TODO: Make sure default exists.
+
     YAML::Node userDict;
     if (aclFile[user])
     {

src/utils.cpp

@@ -61,6 +61,8 @@ bool validate(const std::string &token, const std::string &username, const std::
     }
     auto claims = decoded_token.get_payload_claims();
 
+    try
+    {
         // Check username matches.
         if (not claims.contains("upn"))
         {
@@ -79,7 +81,7 @@ bool validate(const std::string &token, const std::string &username, const std::
             std::cerr << "Missing mqtt claim." << std::endl;
             return false;
         }
-    if (not(claims["mqtt"].as_string() == "true"))
+        if (not(claims["mqtt"].as_bool()))
         {
             std::cerr << "Not claiming can do mqtt." << std::endl;
             return false;
@@ -91,6 +93,12 @@ bool validate(const std::string &token, const std::string &username, const std::
             std::cerr << "Missing expiration time claim." << std::endl;
             return false;
         }
+    }
+    catch(const std::bad_cast& exception)
+    {
+        std::cerr << "Failed to parse claims. Reason: " << exception.what()  << std::endl;
+        return false;
+    }
 
     return true;
 }
@@ -105,7 +113,7 @@ std::string gen_token(
     const auto token = jwt::create()
                            .set_type("JWT")
                            .set_payload_claim("upn", jwt::claim(username))
-                           .set_payload_claim("mqtt", jwt::claim(std::string("true")))
+                           .set_payload_claim("mqtt", jwt::claim(picojson::value(true)))
                            .set_issued_at(issue_time)
                            .set_expires_at(expr_time)
                            .sign(jwt::algorithm::rs256(pub_key, priv_key, "", ""));

test/token_test.cpp

@@ -13,7 +13,6 @@
 // limitations under the License.
 #include <j7s-plugin/utils.h>
 
-#include <ctime>
 #include <iostream>
 
 #include "gtest/gtest.h"