Build: enable ktlint+detekt, format sources, add core unit tests

libs/security-jwt/src/main/kotlin/ru/ysu/lms/security/JwtPrincipal.kt

@@ -2,7 +2,8 @@ package ru.ysu.lms.security
 
 enum class LmsRole {
     ADMIN,
-    STUDENT;
+    STUDENT,
+    ;
 
     fun authority(): String = "ROLE_$name"
 }

libs/security-jwt/src/main/kotlin/ru/ysu/lms/security/LmsSecurityAutoConfiguration.kt

@@ -19,14 +19,15 @@ import org.springframework.security.oauth2.jwt.NimbusJwtEncoder
 @AutoConfiguration
 @EnableConfigurationProperties(JwtProperties::class)
 class LmsSecurityAutoConfiguration {
-
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "lms.jwt", name = ["private-key"])
     fun jwtEncoder(properties: JwtProperties): JwtEncoder {
-        val rsaKey = RSAKey.Builder(RsaKeys.publicKey(properties.publicKey))
-            .privateKey(RsaKeys.privateKey(properties.privateKey))
-            .build()
+        val rsaKey =
+            RSAKey
+                .Builder(RsaKeys.publicKey(properties.publicKey))
+                .privateKey(RsaKeys.privateKey(properties.privateKey))
+                .build()
         return NimbusJwtEncoder(ImmutableJWKSet<SecurityContext>(JWKSet(rsaKey)))
     }
 

libs/security-jwt/src/main/kotlin/ru/ysu/lms/security/RsaKeys.kt

@@ -9,24 +9,26 @@ import java.util.Base64
 
 /** Parses PEM-encoded RSA keys (PKCS#8 private, X.509 public). */
 object RsaKeys {
-
     fun publicKey(pem: String): RSAPublicKey {
         val der = decode(pem)
-        return KeyFactory.getInstance("RSA")
+        return KeyFactory
+            .getInstance("RSA")
             .generatePublic(X509EncodedKeySpec(der)) as RSAPublicKey
     }
 
     fun privateKey(pem: String): RSAPrivateKey {
         val der = decode(pem)
-        return KeyFactory.getInstance("RSA")
+        return KeyFactory
+            .getInstance("RSA")
             .generatePrivate(PKCS8EncodedKeySpec(der)) as RSAPrivateKey
     }
 
     private fun decode(pem: String): ByteArray {
-        val body = pem
-            .replace(Regex("-----BEGIN [A-Z ]+-----"), "")
-            .replace(Regex("-----END [A-Z ]+-----"), "")
-            .replace(Regex("\\s"), "")
+        val body =
+            pem
+                .replace(Regex("-----BEGIN [A-Z ]+-----"), "")
+                .replace(Regex("-----END [A-Z ]+-----"), "")
+                .replace(Regex("\\s"), "")
         return Base64.getDecoder().decode(body)
     }
 }