updated tests and fix some errors

src/db_delete_user.c

@@ -36,6 +36,7 @@ bool db_delete_user(const int id) {
     printf("User deleted successfully. ID: %d\n", id);
   } else {
     printf("No user found with ID: %d\n", id);
+    pthread_mutex_unlock(&db_mutex);
     return false;
   }
 

src/delete_user.c

@@ -3,7 +3,16 @@
 #include "utils.h"
 
 void delete_user(struct mg_connection *c, struct mg_http_message *hm) {
+  if (hm->body.len == 0) {
+    mg_http_reply(c, 400, "Content-Type: application/json\r\n", "{%m:%m}", MG_ESC("error"),
+                  MG_ESC("must have token"));
+    return;
+  }
   request_with_token *requestdata = check_body(hm);
+  if (requestdata->error != NULL) {
+    mg_http_reply(c, 403, "Content-Type: application/json\r\n", "{%m:%m}", MG_ESC("error"), MG_ESC(requestdata->error));
+    return;
+  }
   const bool valid = jwt_verifyJWT(requestdata->token, JWT_DEFAULT_SECRET);
   if (!valid) {
     mg_http_reply(c, 403, "Content-Type: application/json\r\n", "{%m:%m}", MG_ESC("error"),
@@ -18,4 +27,5 @@ void delete_user(struct mg_connection *c, struct mg_http_message *hm) {
            user_deleted ? "true" : "false");
 
   mg_http_reply(c, 200, "Content-Type: application/json\r\n", responsedata);
+  cJSON_Delete(payload);
 }

src/get_user.c

@@ -3,7 +3,16 @@
 #include "utils.h"
 
 void get_user(struct mg_connection *c, struct mg_http_message *hm) {
+  if (hm->body.len == 0) {
+    mg_http_reply(c, 400, "Content-Type: application/json\r\n", "{%m:%m}", MG_ESC("error"),
+                  MG_ESC("must have token"));
+    return;
+  }
   request_with_token *requestdata = check_body(hm);
+  if (requestdata->error != NULL) {
+    mg_http_reply(c, 403, "Content-Type: application/json\r\n", "{%m:%m}", MG_ESC("error"), MG_ESC(requestdata->error));
+    return;
+  }
   if (!jwt_verifyJWT(requestdata->token, JWT_DEFAULT_SECRET)) {
     free_request_with_token(requestdata);
     mg_http_reply(c, 403, "Content-Type: application/json\r\n", "{%m:%m}", MG_ESC("error"),