Adds JWT-based auth with refresh tokens

src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HunterDetailsService.kt

@@ -0,0 +1,32 @@
+package net.halfbinary.scavengerhuntapi.service
+
+import net.halfbinary.scavengerhuntapi.repository.HunterRepository
+import org.springframework.security.core.authority.SimpleGrantedAuthority
+import org.springframework.security.core.userdetails.User
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.core.userdetails.UserDetailsService
+import org.springframework.security.core.userdetails.UsernameNotFoundException
+import org.springframework.stereotype.Service
+import java.util.Collections
+
+
+@Service
+class HunterDetailsService(private val hunterRepository: HunterRepository): UserDetailsService {
+    override fun loadUserByUsername(username: String): UserDetails {
+        hunterRepository.findByEmail(username)
+            ?.let { hunter ->
+                val hunterAuthorities =
+                    if (hunter.isAdmin) {
+                        SimpleGrantedAuthority("ROLE_ADMIN")
+                    } else {
+                        SimpleGrantedAuthority("ROLE_USER")
+                    }
+                return User(
+                    hunter.email,
+                    hunter.password,
+                    Collections.singleton(hunterAuthorities)
+                )
+            }
+        throw UsernameNotFoundException("User Not Found with username: $username")
+    }
+}