Merge pull request 'Migration to Drone CI' (#8) from features into master

Reviewed-on: #8

.drone.yml

@@ -0,0 +1,75 @@
+kind: pipeline
+name: default
+type: docker
+
+environment:
+  CRE_VERSION: ${DRONE_BUILD_NUMBER}
+  CRE_ARTIFACT_NAME: ColorRecipesExplorer
+  CRE_REGISTRY_IMAGE: registry.fyloz.dev:5443/colorrecipesexplorer/backend
+  CRE_PORT: 9090
+
+steps:
+  - name: test
+    image: gradle:7.1-jdk11
+    commands:
+      - gradle test
+
+  - name: build
+    image: gradle:7.1-jdk11
+    commands:
+      - gradle bootJar -Pversion=$CRE_VERSION
+      - mv build/libs/ColorRecipesExplorer-$CRE_VERSION.jar $CRE_ARTIFACT_NAME.jar
+      - echo -n "latest,$CRE_VERSION" > .tags
+    when:
+      branch:
+        - master
+      events: [ push, tag ]
+
+  - name: containerize
+    image: plugins/docker
+    settings:
+      build_args:
+        - JAVA_VERSION=11
+      build_args_from_env:
+        - CRE_ARTIFACT_NAME
+        - CRE_PORT
+      repo: registry.fyloz.dev:5443/colorrecipesexplorer/backend
+    when:
+      branch:
+        - master
+      events: [ push, tag ]
+
+  - name: deploy
+    image: alpine:latest
+    environment:
+      DEPLOY_SERVER:
+        from_secret: deploy_server
+      DEPLOY_SERVER_USERNAME:
+        from_secret: deploy_server_username
+      DEPLOY_SERVER_SSH_PORT:
+        from_secret: deploy_server_ssh_port
+      DEPLOY_SERVER_SSH_KEY:
+        from_secret: deploy_server_ssh_key
+      DEPLOY_CONTAINER_NAME: cre_backend-${DRONE_BRANCH}
+      DEPLOY_SPRING_PROFILES: mysql,rest
+      DEPLOY_DATA_VOLUME: /var/cre/data
+      DEPLOY_CONFIG_VOLUME: /var/cre/config
+    commands:
+      - apk update
+      - apk add --no-cache openssh-client
+      - mkdir -p ~/.ssh
+      - echo "$DEPLOY_SERVER_SSH_KEY" | tr -d '\r' > ~/.ssh/id_rsa
+      - chmod 700 ~/.ssh/id_rsa
+      - eval $(ssh-agent -s)
+      - ssh-add ~/.ssh/id_rsa
+      - ssh-keyscan -p $DEPLOY_SERVER_SSH_PORT -H $DEPLOY_SERVER >> ~/.ssh/known_hosts
+      - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
+      - ssh -p $DEPLOY_SERVER_SSH_PORT $DEPLOY_SERVER_USERNAME@$DEPLOY_SERVER "docker stop $DEPLOY_CONTAINER_NAME || true && docker rm $DEPLOY_CONTAINER_NAME || true"
+      - ssh -p $DEPLOY_SERVER_SSH_PORT $DEPLOY_SERVER_USERNAME@$DEPLOY_SERVER "docker pull $CRE_REGISTRY_IMAGE:latest"
+      - ssh -p $DEPLOY_SERVER_SSH_PORT $DEPLOY_SERVER_USERNAME@$DEPLOY_SERVER "docker run -d -p $CRE_PORT:$CRE_PORT --name=$DEPLOY_CONTAINER_NAME -v $DEPLOY_DATA_VOLUME:/usr/bin/cre/data -v $DEPLOY_CONFIG_VOLUME:/usr/bin/cre/config -e spring_profiles_active=$SPRING_PROFILES $CRE_REGISTRY_IMAGE"
+    when:
+      branch:
+        - master
+      events: [ push, tag ]
+
+

.gitignore

@@ -8,7 +8,6 @@
 gradle/
 build/
 logs/
-config/
 data/
 dokka/
 dist/

Dockerfile

@@ -4,11 +4,11 @@ FROM openjdk:$JAVA_VERSION
 
 WORKDIR /usr/bin/cre/
 
-ARG ARTIFACT_NAME=ColorRecipesExplorer
-COPY $ARTIFACT_NAME.jar ColorRecipesExplorer.jar
+ARG CRE_ARTIFACT_NAME=ColorRecipesExplorer
+COPY $CRE_ARTIFACT_NAME.jar ColorRecipesExplorer.jar
 
-ARG PORT=9090
-EXPOSE $PORT
+ARG CRE_PORT=9090
+EXPOSE $CRE_PORT
 
 ENV spring_profiles_active=h2,rest
 ENV server_port=$PORT

build.gradle.kts

@@ -2,12 +2,12 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 group = "dev.fyloz.colorrecipesexplorer"
 
-val kotlinVersion = "1.5.0"
+val kotlinVersion = "1.5.21"
 val springBootVersion = "2.3.4.RELEASE"
 
 plugins {
     // Outer scope variables can't be accessed in the plugins section, so we have to redefine them here
-    val kotlinVersion = "1.5.0"
+    val kotlinVersion = "1.5.21"
     val springBootVersion = "2.3.4.RELEASE"
 
     id("java")
@@ -46,7 +46,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-devtools:${springBootVersion}")
 
     testImplementation("org.springframework:spring-test:5.1.6.RELEASE")
-    testImplementation("org.mockito:mockito-inline:3.6.0")
+    testImplementation("org.mockito:mockito-inline:3.11.2")
     testImplementation("com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0")
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.3.2")
     testImplementation("io.mockk:mockk:1.10.6")
@@ -83,8 +83,8 @@ sourceSets {
 
 tasks.test {
     reports {
-        junitXml.isEnabled = true
-        html.isEnabled = false
+        junitXml.required.set(true)
+        html.required.set(false)
     }
 
     useJUnitPlatform()
@@ -99,7 +99,6 @@ tasks.withType<JavaCompile>() {
 tasks.withType<KotlinCompile>().all {
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_11.toString()
-        useIR = true
         freeCompilerArgs = listOf(
             "-Xopt-in=kotlin.contracts.ExperimentalContracts",
             "-Xinline-classes"

docker-compose.yml

@@ -0,0 +1,16 @@
+version: "3.1"
+
+services:
+  frontend:
+    image: fyloz.dev:5443/color-recipes-explorer/frontend:latest
+    ports:
+      - 4200:80
+  database:
+    image: mysql
+    command: --default-authentication-plugin=mysql_native_password
+    environment:
+      MYSQL_ROOT_PASSWORD: "pass"
+      MYSQL_DATABASE: "cre"
+    ports:
+      - 3306:3306
+

gradle.Dockerfile

@@ -1,5 +1,5 @@
 ARG JDK_VERSION=11
-ARG GRADLE_VERSION=6.8
+ARG GRADLE_VERSION=7.1
 
 FROM gradle:$GRADLE_VERSION-jdk$JDK_VERSION
 WORKDIR /usr/src/cre/

src/main/kotlin/dev/fyloz/colorrecipesexplorer/DatabaseVersioning.kt

@@ -1,20 +1,17 @@
 package dev.fyloz.colorrecipesexplorer
 
-import dev.fyloz.colorrecipesexplorer.config.FileConfiguration
 import dev.fyloz.colorrecipesexplorer.databasemanager.CreDatabase
-import dev.fyloz.colorrecipesexplorer.databasemanager.CreDatabaseException
 import dev.fyloz.colorrecipesexplorer.databasemanager.databaseContext
 import dev.fyloz.colorrecipesexplorer.databasemanager.databaseUpdaterProperties
 import dev.fyloz.colorrecipesexplorer.model.ConfigurationType
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import org.slf4j.Logger
-import org.springframework.boot.context.properties.ConfigurationProperties
 import org.springframework.boot.jdbc.DataSourceBuilder
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
 import org.springframework.context.annotation.DependsOn
 import org.springframework.context.annotation.Profile
 import org.springframework.core.env.ConfigurableEnvironment
-import java.lang.RuntimeException
 import javax.sql.DataSource
 
 const val SUPPORTED_DATABASE_VERSION = 5
@@ -23,21 +20,20 @@ val DATABASE_NAME_REGEX = Regex("(\\w+)$")
 
 @Profile("!emergency")
 @Configuration
-@DependsOn("configurationsInitializer")
+@DependsOn("configurationsInitializer", "configurationService")
 class DataSourceConfiguration {
     @Bean(name = ["dataSource"])
     fun customDataSource(
         logger: Logger,
         environment: ConfigurableEnvironment,
-        fileConfiguration: FileConfiguration,
-        databaseUpdaterProperties: DatabaseUpdaterProperties
+        configurationService: ConfigurationService
     ): DataSource {
-        fun getConfiguration(type: ConfigurationType, defaultProperty: String) =
-            fileConfiguration.get(type)?.content ?: defaultProperty
+        fun getConfiguration(type: ConfigurationType) =
+            configurationService.get(type).content
 
-        val databaseUrl = "jdbc:" + getConfiguration(ConfigurationType.DATABASE_URL, databaseUpdaterProperties.url)
-        val databaseUsername = getConfiguration(ConfigurationType.DATABASE_USER, databaseUpdaterProperties.username)
-        val databasePassword = getConfiguration(ConfigurationType.DATABASE_PASSWORD, databaseUpdaterProperties.password)
+        val databaseUrl = "jdbc:" + getConfiguration(ConfigurationType.DATABASE_URL)
+        val databaseUsername = getConfiguration(ConfigurationType.DATABASE_USER)
+        val databasePassword = getConfiguration(ConfigurationType.DATABASE_PASSWORD)
 
         try {
             runDatabaseVersionCheck(logger, databaseUrl, DatabaseUpdaterProperties().apply {
@@ -158,7 +154,6 @@ fun throwUnsupportedDatabaseVersion(version: Int, logger: Logger) {
     throw DatabaseVersioningException.UnsupportedDatabaseVersion(version)
 }
 
-@ConfigurationProperties(prefix = "cre.database")
 class DatabaseUpdaterProperties {
     var url: String = ""
     var username: String = ""

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/ApplicationListeners.kt

@@ -6,15 +6,16 @@ import dev.fyloz.colorrecipesexplorer.emergencyMode
 import dev.fyloz.colorrecipesexplorer.rest.CRE_PROPERTIES
 import dev.fyloz.colorrecipesexplorer.restartApplication
 import dev.fyloz.colorrecipesexplorer.service.MaterialTypeService
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import org.slf4j.Logger
 import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent
 import org.springframework.boot.context.event.ApplicationReadyEvent
-import org.springframework.boot.context.properties.EnableConfigurationProperties
 import org.springframework.context.ApplicationListener
 import org.springframework.context.annotation.Configuration
 import org.springframework.context.annotation.Profile
 import org.springframework.core.Ordered
 import org.springframework.core.annotation.Order
+import javax.annotation.PostConstruct
 import kotlin.concurrent.thread
 
 @Configuration
@@ -22,6 +23,7 @@ import kotlin.concurrent.thread
 @Profile("!emergency")
 class ApplicationReadyListener(
     private val materialTypeService: MaterialTypeService,
+    private val configurationService: ConfigurationService,
     private val materialTypeProperties: MaterialTypeProperties,
     private val creProperties: CreProperties,
     private val logger: Logger
@@ -37,9 +39,29 @@ class ApplicationReadyListener(
             return
         }
 
-        materialTypeService.saveSystemTypes(materialTypeProperties.systemTypes)
+        initDatabaseConfigurations()
+        initMaterialTypes()
         CRE_PROPERTIES = creProperties
     }
+
+    private fun initMaterialTypes() {
+        logger.info("Initializing system material types")
+        materialTypeService.saveSystemTypes(materialTypeProperties.systemTypes)
+    }
+
+    private fun initDatabaseConfigurations() {
+        configurationService.initializeProperties { !it.file }
+    }
+}
+
+@Configuration("configurationsInitializer")
+class ConfigurationsInitializer(
+    private val configurationService: ConfigurationService
+) {
+    @PostConstruct
+    fun initializeFileConfigurations() {
+        configurationService.initializeProperties { it.file }
+    }
 }
 
 class ApplicationInitializer : ApplicationListener<ApplicationEnvironmentPreparedEvent> {

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/ConfigurationsInitializer.kt

@@ -1,58 +0,0 @@
-package dev.fyloz.colorrecipesexplorer.config
-
-import dev.fyloz.colorrecipesexplorer.config.properties.CreProperties
-import dev.fyloz.colorrecipesexplorer.model.ConfigurationType
-import dev.fyloz.colorrecipesexplorer.model.configuration
-import dev.fyloz.colorrecipesexplorer.service.create
-import org.springframework.context.annotation.Bean
-import org.springframework.context.annotation.Configuration
-import java.io.File
-import java.io.FileInputStream
-import java.io.FileOutputStream
-import java.time.LocalDateTime
-import java.util.*
-
-const val CONFIGURATION_FILE_PATH = "config.properties"
-const val CONFIGURATION_FILE_COMMENT = "---Color Recipes Explorer configuration---"
-
-@Configuration
-class ConfigurationsInitializer(
-    private val creProperties: CreProperties
-) {
-    @Bean
-    fun fileConfiguration() = FileConfiguration("${creProperties.configDirectory}/$CONFIGURATION_FILE_PATH")
-}
-
-class FileConfiguration(private val configFilePath: String) {
-    val properties = Properties().apply {
-        with(File(configFilePath)) {
-            if (!this.exists()) this.create()
-            FileInputStream(this).use {
-                this@apply.load(it)
-            }
-        }
-    }
-
-    fun get(type: ConfigurationType) =
-        if (properties.containsKey(type.key))
-            configuration(
-                type,
-                properties[type.key] as String,
-                LocalDateTime.parse(properties[configurationLastUpdateKey(type.key)] as String)
-            )
-        else null
-
-    fun set(type: ConfigurationType, content: String) {
-        properties[type.key] = content
-        properties[configurationLastUpdateKey(type.key)] = LocalDateTime.now().toString()
-        save()
-    }
-
-    fun save() {
-        FileOutputStream(configFilePath).use {
-            properties.store(it, CONFIGURATION_FILE_COMMENT)
-        }
-    }
-
-    private fun configurationLastUpdateKey(key: String) = "$key.last-updated"
-}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/EmergencySecurityConfig.kt

@@ -1,102 +0,0 @@
-package dev.fyloz.colorrecipesexplorer.config
-
-import dev.fyloz.colorrecipesexplorer.emergencyMode
-import org.springframework.boot.context.properties.EnableConfigurationProperties
-import org.springframework.context.annotation.Bean
-import org.springframework.context.annotation.Configuration
-import org.springframework.context.annotation.Profile
-import org.springframework.core.env.Environment
-import org.springframework.http.HttpMethod
-import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder
-import org.springframework.security.config.annotation.web.builders.HttpSecurity
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter
-import org.springframework.security.config.http.SessionCreationPolicy
-import org.springframework.security.core.authority.SimpleGrantedAuthority
-import org.springframework.security.core.userdetails.UserDetails
-import org.springframework.security.core.userdetails.UsernameNotFoundException
-import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder
-import org.springframework.web.cors.CorsConfiguration
-import org.springframework.web.cors.UrlBasedCorsConfigurationSource
-import org.springframework.security.core.userdetails.User as SpringUser
-
-@Configuration
-@Profile("emergency")
-@EnableConfigurationProperties(SecurityConfigurationProperties::class)
-class EmergencySecurityConfig(
-    val securityConfigurationProperties: SecurityConfigurationProperties,
-    val environment: Environment
-) : WebSecurityConfigurerAdapter() {
-    init {
-        emergencyMode = true
-    }
-
-    @Bean
-    fun corsConfigurationSource() =
-        UrlBasedCorsConfigurationSource().apply {
-            registerCorsConfiguration("/**", CorsConfiguration().apply {
-                allowedOrigins = listOf("http://localhost:4200")    // Angular development server
-                allowedMethods = listOf(
-                    HttpMethod.GET.name,
-                    HttpMethod.POST.name,
-                    HttpMethod.PUT.name,
-                    HttpMethod.DELETE.name,
-                    HttpMethod.OPTIONS.name,
-                    HttpMethod.HEAD.name
-                )
-                allowCredentials = true
-            }.applyPermitDefaultValues())
-        }
-
-    @Bean
-    fun passwordEncoder() =
-        BCryptPasswordEncoder()
-
-    override fun configure(auth: AuthenticationManagerBuilder) {
-        auth.inMemoryAuthentication()
-            .withUser(securityConfigurationProperties.root!!.id.toString())
-            .password(passwordEncoder().encode(securityConfigurationProperties.root!!.password))
-            .authorities(SimpleGrantedAuthority("ADMIN"))
-    }
-
-    override fun configure(http: HttpSecurity) {
-        val debugMode = "debug" in environment.activeProfiles
-
-        http
-            .headers().frameOptions().disable()
-            .and()
-            .csrf().disable()
-            .addFilter(
-                JwtAuthenticationFilter(
-                    authenticationManager(),
-                    securityConfigurationProperties
-                ) { }
-            )
-            .addFilter(
-                JwtAuthorizationFilter(
-                    securityConfigurationProperties,
-                    authenticationManager(),
-                    this::loadUserById
-                )
-            )
-            .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
-            .and()
-            .authorizeRequests()
-            .antMatchers("**").permitAll()
-
-        if (debugMode) {
-            http
-                .cors()
-        }
-    }
-
-    private fun loadUserById(id: Long): UserDetails {
-        if (id == securityConfigurationProperties.root!!.id) {
-            return SpringUser(
-                id.toString(),
-                securityConfigurationProperties.root!!.password,
-                listOf(SimpleGrantedAuthority("ADMIN"))
-            )
-        }
-        throw UsernameNotFoundException(id.toString())
-    }
-}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/SpringConfiguration.kt

@@ -11,7 +11,7 @@ import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
 
 @Configuration
-@EnableConfigurationProperties(MaterialTypeProperties::class, CreProperties::class, DatabaseUpdaterProperties::class)
+@EnableConfigurationProperties(MaterialTypeProperties::class, CreProperties::class)
 class SpringConfiguration {
     @Bean
     fun logger(): Logger = LoggerFactory.getLogger(ColorRecipesExplorerApplication::class.java)

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/WebSecurityConfig.kt

@@ -1,293 +0,0 @@
-package dev.fyloz.colorrecipesexplorer.config
-
-import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import dev.fyloz.colorrecipesexplorer.emergencyMode
-import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
-import dev.fyloz.colorrecipesexplorer.model.account.Permission
-import dev.fyloz.colorrecipesexplorer.model.account.User
-import dev.fyloz.colorrecipesexplorer.model.account.UserLoginRequest
-import dev.fyloz.colorrecipesexplorer.service.CreUserDetailsService
-import dev.fyloz.colorrecipesexplorer.service.UserService
-import io.jsonwebtoken.ExpiredJwtException
-import io.jsonwebtoken.Jwts
-import io.jsonwebtoken.SignatureAlgorithm
-import org.slf4j.Logger
-import org.springframework.boot.context.properties.ConfigurationProperties
-import org.springframework.boot.context.properties.EnableConfigurationProperties
-import org.springframework.context.annotation.Bean
-import org.springframework.context.annotation.Configuration
-import org.springframework.context.annotation.Lazy
-import org.springframework.context.annotation.Profile
-import org.springframework.core.env.Environment
-import org.springframework.http.HttpMethod
-import org.springframework.security.authentication.AuthenticationManager
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
-import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder
-import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity
-import org.springframework.security.config.annotation.web.builders.HttpSecurity
-import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter
-import org.springframework.security.config.http.SessionCreationPolicy
-import org.springframework.security.core.Authentication
-import org.springframework.security.core.AuthenticationException
-import org.springframework.security.core.context.SecurityContextHolder
-import org.springframework.security.core.userdetails.UserDetails
-import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder
-import org.springframework.security.web.AuthenticationEntryPoint
-import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter
-import org.springframework.security.web.authentication.www.BasicAuthenticationFilter
-import org.springframework.stereotype.Component
-import org.springframework.util.Assert
-import org.springframework.web.cors.CorsConfiguration
-import org.springframework.web.cors.UrlBasedCorsConfigurationSource
-import org.springframework.web.util.WebUtils
-import java.util.*
-import javax.annotation.PostConstruct
-import javax.servlet.FilterChain
-import javax.servlet.http.HttpServletRequest
-import javax.servlet.http.HttpServletResponse
-import org.springframework.security.core.userdetails.User as SpringUser
-
-@Configuration
-@Profile("!emergency")
-@EnableWebSecurity
-@EnableGlobalMethodSecurity(prePostEnabled = true)
-@EnableConfigurationProperties(SecurityConfigurationProperties::class)
-class WebSecurityConfig(
-    val securityConfigurationProperties: SecurityConfigurationProperties,
-    @Lazy val userDetailsService: CreUserDetailsService,
-    @Lazy val userService: UserService,
-    val environment: Environment,
-    val logger: Logger
-) : WebSecurityConfigurerAdapter() {
-    var debugMode = false
-
-    override fun configure(authBuilder: AuthenticationManagerBuilder) {
-        authBuilder.userDetailsService(userDetailsService).passwordEncoder(passwordEncoder())
-    }
-
-    @Bean
-    fun passwordEncoder() =
-        BCryptPasswordEncoder()
-
-    @Bean
-    override fun authenticationManagerBean(): AuthenticationManager =
-        super.authenticationManagerBean()
-
-    @Bean
-    fun corsConfigurationSource() =
-        UrlBasedCorsConfigurationSource().apply {
-            registerCorsConfiguration("/**", CorsConfiguration().apply {
-                allowedOrigins = listOf("http://localhost:4200")    // Angular development server
-                allowedMethods = listOf(
-                    HttpMethod.GET.name,
-                    HttpMethod.POST.name,
-                    HttpMethod.PUT.name,
-                    HttpMethod.DELETE.name,
-                    HttpMethod.OPTIONS.name,
-                    HttpMethod.HEAD.name
-                )
-                allowCredentials = true
-            }.applyPermitDefaultValues())
-        }
-
-    @PostConstruct
-    fun initWebSecurity() {
-        fun createUser(
-            credentials: SecurityConfigurationProperties.SystemUserCredentials?,
-            firstName: String,
-            lastName: String,
-            permissions: List<Permission>
-        ) {
-            if (emergencyMode) {
-                logger.error("Emergency mode is enabled, root user will not be created")
-                return
-            }
-
-            Assert.notNull(credentials, "No root user has been defined.")
-            credentials!!
-            Assert.notNull(credentials.id, "The root user has no identifier defined.")
-            Assert.notNull(credentials.password, "The root user has no password defined.")
-            if (!userService.existsById(credentials.id!!)) {
-                userService.save(
-                    User(
-                        id = credentials.id!!,
-                        firstName = firstName,
-                        lastName = lastName,
-                        password = passwordEncoder().encode(credentials.password!!),
-                        isSystemUser = true,
-                        permissions = permissions.toMutableSet()
-                    )
-                )
-            }
-        }
-
-        createUser(securityConfigurationProperties.root, "Root", "User", listOf(Permission.ADMIN))
-        debugMode = "debug" in environment.activeProfiles
-        if (debugMode) logger.warn("Debug mode is enabled, security will be disabled!")
-    }
-
-    override fun configure(http: HttpSecurity) {
-        http
-            .headers().frameOptions().disable()
-            .and()
-            .csrf().disable()
-            .addFilter(
-                JwtAuthenticationFilter(
-                    authenticationManager(),
-                    securityConfigurationProperties
-                ) { userService.updateLastLoginTime(it) }
-            )
-            .addFilter(
-                JwtAuthorizationFilter(
-                    securityConfigurationProperties,
-                    authenticationManager()
-                ) { userDetailsService.loadUserById(it, false) }
-            )
-            .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
-
-        if (!debugMode) {
-            http.authorizeRequests()
-                .antMatchers("/api/login").permitAll()
-                .antMatchers("/api/logout").authenticated()
-                .antMatchers("/api/user/current").authenticated()
-                .anyRequest().authenticated()
-        } else {
-            http
-                .cors()
-                .and()
-                .authorizeRequests()
-                .antMatchers("**").permitAll()
-        }
-    }
-}
-
-@Component
-class RestAuthenticationEntryPoint : AuthenticationEntryPoint {
-    override fun commence(
-        request: HttpServletRequest,
-        response: HttpServletResponse,
-        authException: AuthenticationException
-    ) = response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized")
-}
-
-const val authorizationCookieName = "Authorization"
-const val defaultGroupCookieName = "Default-Group"
-val blacklistedJwtTokens = mutableListOf<String>()
-
-class JwtAuthenticationFilter(
-    private val authManager: AuthenticationManager,
-    private val securityConfigurationProperties: SecurityConfigurationProperties,
-    private val updateUserLoginTime: (Long) -> Unit
-) : UsernamePasswordAuthenticationFilter() {
-    private var debugMode = false
-
-    init {
-        setFilterProcessesUrl("/api/login")
-        debugMode = "debug" in environment.activeProfiles
-    }
-
-    override fun attemptAuthentication(request: HttpServletRequest, response: HttpServletResponse): Authentication {
-        val loginRequest = jacksonObjectMapper().readValue(request.inputStream, UserLoginRequest::class.java)
-        return authManager.authenticate(UsernamePasswordAuthenticationToken(loginRequest.id, loginRequest.password))
-    }
-
-    override fun successfulAuthentication(
-        request: HttpServletRequest,
-        response: HttpServletResponse,
-        chain: FilterChain,
-        authResult: Authentication
-    ) {
-        val jwtSecret = securityConfigurationProperties.jwtSecret
-        val jwtDuration = securityConfigurationProperties.jwtDuration
-        Assert.notNull(jwtSecret, "No JWT secret has been defined.")
-        Assert.notNull(jwtDuration, "No JWT duration has been defined.")
-        val userId = (authResult.principal as SpringUser).username
-        updateUserLoginTime(userId.toLong())
-        val expirationMs = System.currentTimeMillis() + jwtDuration!!
-        val expirationDate = Date(expirationMs)
-        val token = Jwts.builder()
-            .setSubject(userId)
-            .setExpiration(expirationDate)
-            .signWith(SignatureAlgorithm.HS512, jwtSecret!!.toByteArray())
-            .compact()
-        response.addHeader("Access-Control-Expose-Headers", "X-Authentication-Expiration")
-        var bearerCookie =
-            "$authorizationCookieName=Bearer$token; Max-Age=${jwtDuration / 1000}; HttpOnly; SameSite=strict"
-        if (!debugMode) bearerCookie += "; Secure;"
-        response.addHeader(
-            "Set-Cookie",
-            bearerCookie
-        )
-        response.addHeader(authorizationCookieName, "Bearer $token")
-        response.addHeader("X-Authentication-Expiration", "$expirationMs")
-    }
-}
-
-class JwtAuthorizationFilter(
-    private val securityConfigurationProperties: SecurityConfigurationProperties,
-    authenticationManager: AuthenticationManager,
-    private val loadUserById: (Long) -> UserDetails
-) : BasicAuthenticationFilter(authenticationManager) {
-    override fun doFilterInternal(request: HttpServletRequest, response: HttpServletResponse, chain: FilterChain) {
-        fun tryLoginFromBearer(): Boolean {
-            val authorizationCookie = WebUtils.getCookie(request, authorizationCookieName)
-            // Check for an authorization token cookie or header
-            val authorizationToken = if (authorizationCookie != null)
-                authorizationCookie.value
-            else
-                request.getHeader(authorizationCookieName)
-
-            // An authorization token is valid if it starts with "Bearer", is not expired and is not blacklisted
-            if (authorizationToken != null && authorizationToken.startsWith("Bearer") && authorizationToken !in blacklistedJwtTokens) {
-                val authenticationToken = getAuthentication(authorizationToken) ?: return false
-                SecurityContextHolder.getContext().authentication = authenticationToken
-                return true
-            }
-            return false
-        }
-
-        fun tryLoginFromDefaultGroupCookie() {
-            val defaultGroupCookie = WebUtils.getCookie(request, defaultGroupCookieName)
-            if (defaultGroupCookie != null) {
-                val authenticationToken = getAuthenticationToken(defaultGroupCookie.value)
-                SecurityContextHolder.getContext().authentication = authenticationToken
-            }
-        }
-
-        if (!tryLoginFromBearer())
-            tryLoginFromDefaultGroupCookie()
-        chain.doFilter(request, response)
-    }
-
-    private fun getAuthentication(token: String): UsernamePasswordAuthenticationToken? {
-        val jwtSecret = securityConfigurationProperties.jwtSecret
-        Assert.notNull(jwtSecret, "No JWT secret has been defined.")
-        return try {
-            val userId = Jwts.parser()
-                .setSigningKey(jwtSecret!!.toByteArray())
-                .parseClaimsJws(token.replace("Bearer", ""))
-                .body
-                .subject
-            if (userId != null) getAuthenticationToken(userId) else null
-        } catch (_: ExpiredJwtException) {
-            null
-        }
-    }
-
-    private fun getAuthenticationToken(userId: String): UsernamePasswordAuthenticationToken? = try {
-        val userDetails = loadUserById(userId.toLong())
-        UsernamePasswordAuthenticationToken(userDetails.username, null, userDetails.authorities)
-    } catch (_: NotFoundException) {
-        null
-    }
-}
-
-@ConfigurationProperties("cre.security")
-class SecurityConfigurationProperties {
-    var jwtSecret: String? = null
-    var jwtDuration: Long? = null
-    var root: SystemUserCredentials? = null
-
-    class SystemUserCredentials(var id: Long? = null, var password: String? = null)
-}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/properties/CreProperties.kt

@@ -1,15 +1,31 @@
 package dev.fyloz.colorrecipesexplorer.config.properties
 
 import org.springframework.boot.context.properties.ConfigurationProperties
+import kotlin.properties.Delegates.notNull
 
 const val DEFAULT_DATA_DIRECTORY = "data"
 const val DEFAULT_CONFIG_DIRECTORY = "config"
-const val DEFAULT_DEPLOYMENT_URL = "http://localhost"
 
 @ConfigurationProperties(prefix = "cre.server")
 class CreProperties {
     var dataDirectory: String = DEFAULT_DATA_DIRECTORY
     var configDirectory: String = DEFAULT_CONFIG_DIRECTORY
-    var deploymentUrl: String = DEFAULT_DEPLOYMENT_URL
-    var cacheGeneratedFiles: Boolean = false
+}
+
+@ConfigurationProperties(prefix = "cre.security")
+class CreSecurityProperties {
+    // JWT
+    var jwtSecret by notNull<String>()
+    var jwtDuration by notNull<Long>()
+
+    // Configs
+    var configSalt: String? = null
+
+    // Users
+    var root: SystemUserCredentials? = null
+
+    class SystemUserCredentials{
+        var id by notNull<Long>()
+        var password by notNull<String>()
+    }
 }

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/properties/MaterialTypeProperties.kt

@@ -10,7 +10,6 @@ import org.springframework.util.Assert
 @ConfigurationProperties(prefix = "entities.material-types")
 class MaterialTypeProperties {
     var systemTypes: MutableList<MaterialTypeProperty> = mutableListOf()
-    var baseName: String = ""
 
     data class MaterialTypeProperty(
       var name: String = "",

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/security/JwtFilters.kt

@@ -0,0 +1,135 @@
+package dev.fyloz.colorrecipesexplorer.config.security
+
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import dev.fyloz.colorrecipesexplorer.config.properties.CreSecurityProperties
+import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
+import dev.fyloz.colorrecipesexplorer.model.account.UserLoginRequest
+import io.jsonwebtoken.ExpiredJwtException
+import io.jsonwebtoken.Jwts
+import io.jsonwebtoken.SignatureAlgorithm
+import org.springframework.security.authentication.AuthenticationManager
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
+import org.springframework.security.core.Authentication
+import org.springframework.security.core.context.SecurityContextHolder
+import org.springframework.security.core.userdetails.User
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter
+import org.springframework.security.web.authentication.www.BasicAuthenticationFilter
+import org.springframework.util.Assert
+import org.springframework.web.util.WebUtils
+import java.util.*
+import javax.servlet.FilterChain
+import javax.servlet.http.HttpServletRequest
+import javax.servlet.http.HttpServletResponse
+
+const val authorizationCookieName = "Authorization"
+const val defaultGroupCookieName = "Default-Group"
+val blacklistedJwtTokens = mutableListOf<String>()
+
+class JwtAuthenticationFilter(
+    private val authManager: AuthenticationManager,
+    private val securityConfigurationProperties: CreSecurityProperties,
+    private val updateUserLoginTime: (Long) -> Unit
+) : UsernamePasswordAuthenticationFilter() {
+    private var debugMode = false
+
+    init {
+        setFilterProcessesUrl("/api/login")
+        debugMode = "debug" in environment.activeProfiles
+    }
+
+    override fun attemptAuthentication(request: HttpServletRequest, response: HttpServletResponse): Authentication {
+        val loginRequest = jacksonObjectMapper().readValue(request.inputStream, UserLoginRequest::class.java)
+        return authManager.authenticate(UsernamePasswordAuthenticationToken(loginRequest.id, loginRequest.password))
+    }
+
+    override fun successfulAuthentication(
+        request: HttpServletRequest,
+        response: HttpServletResponse,
+        chain: FilterChain,
+        authResult: Authentication
+    ) {
+        val jwtSecret = securityConfigurationProperties.jwtSecret
+        val jwtDuration = securityConfigurationProperties.jwtDuration
+        Assert.notNull(jwtSecret, "No JWT secret has been defined.")
+        Assert.notNull(jwtDuration, "No JWT duration has been defined.")
+        val userId = (authResult.principal as User).username
+        updateUserLoginTime(userId.toLong())
+        val expirationMs = System.currentTimeMillis() + jwtDuration
+        val expirationDate = Date(expirationMs)
+        val token = Jwts.builder()
+            .setSubject(userId)
+            .setExpiration(expirationDate)
+            .signWith(SignatureAlgorithm.HS512, jwtSecret.toByteArray())
+            .compact()
+        response.addHeader("Access-Control-Expose-Headers", "X-Authentication-Expiration")
+        var bearerCookie =
+            "$authorizationCookieName=Bearer$token; Max-Age=${jwtDuration / 1000}; HttpOnly; SameSite=strict"
+        if (!debugMode) bearerCookie += "; Secure;"
+        response.addHeader(
+            "Set-Cookie",
+            bearerCookie
+        )
+        response.addHeader(authorizationCookieName, "Bearer $token")
+        response.addHeader("X-Authentication-Expiration", "$expirationMs")
+    }
+}
+
+class JwtAuthorizationFilter(
+    private val securityConfigurationProperties: CreSecurityProperties,
+    authenticationManager: AuthenticationManager,
+    private val loadUserById: (Long) -> UserDetails
+) : BasicAuthenticationFilter(authenticationManager) {
+    override fun doFilterInternal(request: HttpServletRequest, response: HttpServletResponse, chain: FilterChain) {
+        fun tryLoginFromBearer(): Boolean {
+            val authorizationCookie = WebUtils.getCookie(request, authorizationCookieName)
+            // Check for an authorization token cookie or header
+            val authorizationToken = if (authorizationCookie != null)
+                authorizationCookie.value
+            else
+                request.getHeader(authorizationCookieName)
+
+            // An authorization token is valid if it starts with "Bearer", is not expired and is not blacklisted
+            if (authorizationToken != null && authorizationToken.startsWith("Bearer") && authorizationToken !in blacklistedJwtTokens) {
+                val authenticationToken = getAuthentication(authorizationToken) ?: return false
+                SecurityContextHolder.getContext().authentication = authenticationToken
+                return true
+            }
+            return false
+        }
+
+        fun tryLoginFromDefaultGroupCookie() {
+            val defaultGroupCookie = WebUtils.getCookie(request, defaultGroupCookieName)
+            if (defaultGroupCookie != null) {
+                val authenticationToken = getAuthenticationToken(defaultGroupCookie.value)
+                SecurityContextHolder.getContext().authentication = authenticationToken
+            }
+        }
+
+        if (!tryLoginFromBearer())
+            tryLoginFromDefaultGroupCookie()
+        chain.doFilter(request, response)
+    }
+
+    private fun getAuthentication(token: String): UsernamePasswordAuthenticationToken? {
+        val jwtSecret = securityConfigurationProperties.jwtSecret
+        Assert.notNull(jwtSecret, "No JWT secret has been defined.")
+        return try {
+            val userId = Jwts.parser()
+                .setSigningKey(jwtSecret.toByteArray())
+                .parseClaimsJws(token.replace("Bearer", ""))
+                .body
+                .subject
+            if (userId != null) getAuthenticationToken(userId) else null
+        } catch (_: ExpiredJwtException) {
+            null
+        }
+    }
+
+    private fun getAuthenticationToken(userId: String): UsernamePasswordAuthenticationToken? = try {
+        val userDetails = loadUserById(userId.toLong())
+        UsernamePasswordAuthenticationToken(userDetails.username, null, userDetails.authorities)
+    } catch (_: NotFoundException) {
+        null
+    }
+}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/security/SecurityConfig.kt

@@ -0,0 +1,239 @@
+package dev.fyloz.colorrecipesexplorer.config.security
+
+import dev.fyloz.colorrecipesexplorer.config.properties.CreSecurityProperties
+import dev.fyloz.colorrecipesexplorer.emergencyMode
+import dev.fyloz.colorrecipesexplorer.model.account.Permission
+import dev.fyloz.colorrecipesexplorer.model.account.User
+import dev.fyloz.colorrecipesexplorer.service.CreUserDetailsService
+import dev.fyloz.colorrecipesexplorer.service.UserService
+import org.slf4j.Logger
+import org.springframework.boot.context.properties.EnableConfigurationProperties
+import org.springframework.context.annotation.*
+import org.springframework.core.env.Environment
+import org.springframework.http.HttpMethod
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity
+import org.springframework.security.config.annotation.web.builders.HttpSecurity
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter
+import org.springframework.security.config.http.SessionCreationPolicy
+import org.springframework.security.core.AuthenticationException
+import org.springframework.security.core.authority.SimpleGrantedAuthority
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.core.userdetails.UsernameNotFoundException
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder
+import org.springframework.security.crypto.password.PasswordEncoder
+import org.springframework.security.web.AuthenticationEntryPoint
+import org.springframework.stereotype.Component
+import org.springframework.util.Assert
+import org.springframework.web.cors.CorsConfiguration
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource
+import javax.annotation.PostConstruct
+import javax.servlet.http.HttpServletRequest
+import javax.servlet.http.HttpServletResponse
+import org.springframework.security.core.userdetails.User as SpringUser
+
+@Configuration
+@Profile("!emergency")
+@EnableWebSecurity
+@EnableGlobalMethodSecurity(prePostEnabled = true)
+@EnableConfigurationProperties(CreSecurityProperties::class)
+class SecurityConfig(
+    private val securityProperties: CreSecurityProperties,
+    @Lazy private val userDetailsService: CreUserDetailsService,
+    @Lazy private val userService: UserService,
+    private val environment: Environment,
+    private val logger: Logger
+) : WebSecurityConfigurerAdapter() {
+    var debugMode = false
+
+    override fun configure(authBuilder: AuthenticationManagerBuilder) {
+        authBuilder.userDetailsService(userDetailsService).passwordEncoder(passwordEncoder())
+    }
+
+    @Bean
+    fun passwordEncoder() =
+        getPasswordEncoder()
+
+    @Bean
+    fun corsConfigurationSource() =
+        getCorsConfigurationSource()
+
+    @PostConstruct
+    fun initWebSecurity() {
+        if (emergencyMode) {
+            logger.error("Emergency mode is enabled, system users will not be created")
+            return
+        }
+
+        debugMode = "debug" in environment.activeProfiles
+        if (debugMode) logger.warn("Debug mode is enabled, security will be decreased!")
+
+        // Create Root user
+        assertRootUserNotNull(securityProperties)
+        createSystemUser(
+            securityProperties.root!!,
+            userService,
+            passwordEncoder(),
+            "Root",
+            "User",
+            listOf(Permission.ADMIN)
+        )
+    }
+
+    override fun configure(http: HttpSecurity) {
+        http
+            .headers().frameOptions().disable()
+            .and()
+            .csrf().disable()
+            .addFilter(
+                JwtAuthenticationFilter(authenticationManager(), securityProperties) {
+                    userService.updateLastLoginTime(it)
+                }
+            )
+            .addFilter(
+                JwtAuthorizationFilter(securityProperties, authenticationManager()) {
+                    userDetailsService.loadUserById(it, false)
+                }
+            )
+            .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
+
+        if (!debugMode) {
+            http.authorizeRequests()
+                .antMatchers("/api/login").permitAll()
+                .antMatchers("/api/logout").fullyAuthenticated()
+                .antMatchers("/api/user/current").fullyAuthenticated()
+                .anyRequest().fullyAuthenticated()
+        } else {
+            http
+                .cors()
+                .and()
+                .authorizeRequests()
+                .antMatchers("**").permitAll()
+        }
+    }
+}
+
+@Configuration
+@Profile("emergency")
+@EnableConfigurationProperties(CreSecurityProperties::class)
+class EmergencySecurityConfig(
+    private val securityProperties: CreSecurityProperties,
+    private val environment: Environment
+) : WebSecurityConfigurerAdapter() {
+    private val rootUserRole = Permission.ADMIN.name
+
+    init {
+        emergencyMode = true
+    }
+
+    @Bean
+    fun corsConfigurationSource() =
+        getCorsConfigurationSource()
+
+    @Bean
+    fun passwordEncoder() =
+        getPasswordEncoder()
+
+    override fun configure(auth: AuthenticationManagerBuilder) {
+        assertRootUserNotNull(securityProperties)
+        // Create in-memory root user
+        auth.inMemoryAuthentication()
+            .withUser(securityProperties.root!!.id.toString())
+            .password(passwordEncoder().encode(securityProperties.root!!.password))
+            .authorities(SimpleGrantedAuthority(rootUserRole))
+    }
+
+    override fun configure(http: HttpSecurity) {
+        val debugMode = "debug" in environment.activeProfiles
+
+        http
+            .headers().frameOptions().disable()
+            .and()
+            .csrf().disable()
+            .addFilter(
+                JwtAuthenticationFilter(authenticationManager(), securityProperties) { }
+            )
+            .addFilter(
+                JwtAuthorizationFilter(securityProperties, authenticationManager(), this::loadUserById)
+            )
+            .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
+            .and()
+            .authorizeRequests()
+            .antMatchers("**").fullyAuthenticated()
+            .antMatchers("/api/login").permitAll()
+
+        if (debugMode) {
+            http.cors()
+        }
+    }
+
+    private fun loadUserById(id: Long): UserDetails {
+        assertRootUserNotNull(securityProperties)
+        if (id == securityProperties.root!!.id) {
+            return SpringUser(
+                id.toString(),
+                securityProperties.root!!.password,
+                listOf(SimpleGrantedAuthority(rootUserRole))
+            )
+        }
+        throw UsernameNotFoundException(id.toString())
+    }
+}
+
+@Component
+class RestAuthenticationEntryPoint : AuthenticationEntryPoint {
+    override fun commence(
+        request: HttpServletRequest,
+        response: HttpServletResponse,
+        authException: AuthenticationException
+    ) = response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized")
+}
+
+fun createSystemUser(
+    credentials: CreSecurityProperties.SystemUserCredentials,
+    userService: UserService,
+    passwordEncoder: PasswordEncoder,
+    firstName: String,
+    lastName: String,
+    permissions: List<Permission>
+) {
+    Assert.notNull(credentials.id, "A system user has no identifier defined")
+    Assert.notNull(credentials.password, "A system user has no password defined")
+
+    if (!userService.existsById(credentials.id)) {
+        userService.save(
+            User(
+                id = credentials.id,
+                firstName = firstName,
+                lastName = lastName,
+                password = passwordEncoder.encode(credentials.password),
+                isSystemUser = true,
+                permissions = permissions.toMutableSet()
+            )
+        )
+    }
+}
+
+fun getPasswordEncoder() =
+    BCryptPasswordEncoder()
+
+fun getCorsConfigurationSource() =
+    UrlBasedCorsConfigurationSource().apply {
+        registerCorsConfiguration("/**", CorsConfiguration().apply {
+            allowedOrigins = listOf("http://localhost:4200")    // Angular development server
+            allowedMethods = listOf(
+                HttpMethod.GET.name,
+                HttpMethod.POST.name,
+                HttpMethod.PUT.name,
+                HttpMethod.DELETE.name,
+                HttpMethod.OPTIONS.name,
+                HttpMethod.HEAD.name
+            )
+            allowCredentials = true
+        }.applyPermitDefaultValues())
+    }
+
+private fun assertRootUserNotNull(securityProperties: CreSecurityProperties) {
+    Assert.notNull(securityProperties.root, "cre.security.root should be defined")
+}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Configuration.kt

@@ -2,6 +2,7 @@ package dev.fyloz.colorrecipesexplorer.model
 
 import com.fasterxml.jackson.annotation.JsonIgnore
 import dev.fyloz.colorrecipesexplorer.exception.RestException
+import dev.fyloz.colorrecipesexplorer.utils.months
 import org.springframework.http.HttpStatus
 import org.springframework.web.multipart.MultipartFile
 import java.time.LocalDateTime
@@ -65,37 +66,47 @@ data class ConfigurationImageDto(
 
 fun configuration(
     type: ConfigurationType,
-    content: String,
+    content: String = type.defaultContent.toString(),
     lastUpdated: LocalDateTime? = null
 ) = Configuration(type, content, lastUpdated ?: LocalDateTime.now())
 
+fun configuration(
+    dto: ConfigurationDto
+) = with(dto) {
+    configuration(type = key.toConfigurationType(), content = content)
+}
+
 enum class ConfigurationType(
     val key: String,
+    val defaultContent: Any? = null,
     val computed: Boolean = false,
     val file: Boolean = false,
     val requireRestart: Boolean = false,
-    val public: Boolean = false
+    val public: Boolean = false,
+    val secure: Boolean = false
 ) {
-    INSTANCE_NAME("instance.name", public = true),
-    INSTANCE_LOGO_PATH("instance.logo.path", public = true),
-    INSTANCE_ICON_PATH("instance.icon.path", public = true),
-    INSTANCE_URL("instance.url", public = true),
+    INSTANCE_NAME("instance.name", defaultContent = "Color Recipes Explorer", public = true),
+    INSTANCE_LOGO_PATH("instance.logo.path", defaultContent = "images/logo", public = true),
+    INSTANCE_ICON_PATH("instance.icon.path", defaultContent = "images/icon", public = true),
+    INSTANCE_URL("instance.url", "http://localhost:9090", public = true),
 
-    DATABASE_URL("database.url", file = true, requireRestart = true),
-    DATABASE_USER("database.user", file = true, requireRestart = true),
-    DATABASE_PASSWORD("database.password", file = true, requireRestart = true),
+    DATABASE_URL("database.url", defaultContent = "mysql://localhost/cre", file = true, requireRestart = true),
+    DATABASE_USER("database.user", defaultContent = "cre", file = true, requireRestart = true),
+    DATABASE_PASSWORD("database.password", defaultContent = "asecurepassword", file = true, requireRestart = true, secure = true),
     DATABASE_SUPPORTED_VERSION("database.version.supported", computed = true),
 
-    RECIPE_APPROBATION_EXPIRATION("recipe.approbation.expiration"),
+    RECIPE_APPROBATION_EXPIRATION("recipe.approbation.expiration", defaultContent = 4.months),
 
-    TOUCH_UP_KIT_CACHE_PDF("touchupkit.pdf.cache"),
-    TOUCH_UP_KIT_EXPIRATION("touchupkit.expiration"),
+    TOUCH_UP_KIT_CACHE_PDF("touchupkit.pdf.cache", defaultContent = true),
+    TOUCH_UP_KIT_EXPIRATION("touchupkit.expiration", defaultContent = 1.months),
 
     EMERGENCY_MODE_ENABLED("env.emergency", computed = true, public = true),
     BUILD_VERSION("env.build.version", computed = true),
     BUILD_TIME("env.build.time", computed = true),
     JAVA_VERSION("env.java.version", computed = true),
-    OPERATING_SYSTEM("env.os", computed = true)
+    OPERATING_SYSTEM("env.os", computed = true),
+
+    GENERATED_ENCRYPTION_SALT("security.salt", file = true, requireRestart = true)
     ;
 
     override fun toString() = key

src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/ConfigurationController.kt

@@ -6,7 +6,7 @@ import dev.fyloz.colorrecipesexplorer.model.ConfigurationImageDto
 import dev.fyloz.colorrecipesexplorer.model.account.Permission
 import dev.fyloz.colorrecipesexplorer.model.account.toAuthority
 import dev.fyloz.colorrecipesexplorer.restartApplication
-import dev.fyloz.colorrecipesexplorer.service.ConfigurationService
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import org.springframework.security.access.prepost.PreAuthorize
 import org.springframework.security.core.Authentication
 import org.springframework.web.bind.annotation.*
@@ -21,12 +21,12 @@ class ConfigurationController(val configurationService: ConfigurationService) {
         ok(with(configurationService) {
             if (keys != null) getAll(keys) else getAll()
         }.filter {
-            authentication.hasAuthority(it)
+            !it.type.secure && authentication.hasAuthority(it)
         })
 
     @GetMapping("{key}")
     fun get(@PathVariable key: String, authentication: Authentication?) = with(configurationService.get(key)) {
-        if (authentication.hasAuthority(this)) ok(this) else forbidden()
+        if (!this.type.secure && authentication.hasAuthority(this)) ok(this) else forbidden()
     }
 
     @PutMapping

src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/FileController.kt

@@ -1,7 +1,7 @@
 package dev.fyloz.colorrecipesexplorer.rest
 
 import dev.fyloz.colorrecipesexplorer.model.ConfigurationType
-import dev.fyloz.colorrecipesexplorer.service.ConfigurationService
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import dev.fyloz.colorrecipesexplorer.service.FileService
 import org.springframework.core.io.ByteArrayResource
 import org.springframework.http.MediaType

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/AccountService.kt

@@ -1,12 +1,12 @@
 package dev.fyloz.colorrecipesexplorer.service
 
-import dev.fyloz.colorrecipesexplorer.config.blacklistedJwtTokens
-import dev.fyloz.colorrecipesexplorer.config.defaultGroupCookieName
+import dev.fyloz.colorrecipesexplorer.config.security.blacklistedJwtTokens
+import dev.fyloz.colorrecipesexplorer.config.security.defaultGroupCookieName
 import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
 import dev.fyloz.colorrecipesexplorer.model.account.*
 import dev.fyloz.colorrecipesexplorer.model.validation.or
-import dev.fyloz.colorrecipesexplorer.repository.UserRepository
 import dev.fyloz.colorrecipesexplorer.repository.GroupRepository
+import dev.fyloz.colorrecipesexplorer.repository.UserRepository
 import org.springframework.context.annotation.Lazy
 import org.springframework.context.annotation.Profile
 import org.springframework.security.core.userdetails.UserDetails

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/ConfigurationService.kt

@@ -1,159 +0,0 @@
-package dev.fyloz.colorrecipesexplorer.service
-
-import dev.fyloz.colorrecipesexplorer.DatabaseUpdaterProperties
-import dev.fyloz.colorrecipesexplorer.SUPPORTED_DATABASE_VERSION
-import dev.fyloz.colorrecipesexplorer.config.FileConfiguration
-import dev.fyloz.colorrecipesexplorer.config.properties.CreProperties
-import dev.fyloz.colorrecipesexplorer.emergencyMode
-import dev.fyloz.colorrecipesexplorer.model.*
-import dev.fyloz.colorrecipesexplorer.repository.ConfigurationRepository
-import org.springframework.boot.info.BuildProperties
-import org.springframework.context.annotation.Lazy
-import org.springframework.data.repository.findByIdOrNull
-import org.springframework.stereotype.Service
-import java.time.LocalDate
-import java.time.Period
-import java.time.ZoneId
-import javax.annotation.PostConstruct
-
-interface ConfigurationService {
-    /** Gets all set configurations. */
-    fun getAll(): List<Configuration>
-
-    /**
-     * Gets all configurations with keys contained in the given [formattedKeyList].
-     * The [formattedKeyList] contains wanted configuration keys separated by a semi-colon.
-     */
-    fun getAll(formattedKeyList: String): List<Configuration>
-
-    /**
-     * Gets the configuration with the given [key].
-     * If the [key] does not exists, an [InvalidConfigurationKeyException] will be thrown.
-     */
-    fun get(key: String): Configuration
-
-    /** Gets the configuration with the given [type]. */
-    fun get(type: ConfigurationType): Configuration
-
-    /** Sets the content of each configuration in the given [configurations] list. */
-    fun set(configurations: List<ConfigurationDto>)
-
-    /**
-     * Sets the content of the configuration matching the given [configuration].
-     * If the given key does not exists, an [InvalidConfigurationKeyException] will be thrown.
-     */
-    fun set(configuration: ConfigurationDto)
-
-    /** Sets the content of the configuration with the given [type]. */
-    fun set(type: ConfigurationType, content: String)
-
-    /** Sets the content of the configuration matching the given [configuration] with a given image. */
-    fun set(configuration: ConfigurationImageDto)
-}
-
-const val CONFIGURATION_LOGO_FILE_PATH = "images/logo"
-const val CONFIGURATION_ICON_FILE_PATH = "images/icon"
-const val CONFIGURATION_FORMATTED_LIST_DELIMITER = ';'
-
-@Service
-class ConfigurationServiceImpl(
-    @Lazy private val repository: ConfigurationRepository,
-    private val fileService: FileService,
-    private val fileConfiguration: FileConfiguration,
-    private val creProperties: CreProperties,
-    private val databaseProperties: DatabaseUpdaterProperties,
-    private val buildInfo: BuildProperties
-) : ConfigurationService {
-    override fun getAll() =
-        ConfigurationType.values().mapNotNull {
-            try {
-                get(it)
-            } catch (_: ConfigurationNotSetException) {
-                null
-            }
-        }
-
-    override fun getAll(formattedKeyList: String) =
-        formattedKeyList.split(CONFIGURATION_FORMATTED_LIST_DELIMITER).map(this::get)
-
-    override fun get(key: String) =
-        get(key.toConfigurationType())
-
-    override fun get(type: ConfigurationType) = when {
-        type.computed -> getComputedConfiguration(type)
-        type.file -> fileConfiguration.get(type)
-        !emergencyMode -> repository.findByIdOrNull(type.key)?.toConfiguration()
-        else -> null
-    } ?: throw ConfigurationNotSetException(type)
-
-    override fun set(configurations: List<ConfigurationDto>) {
-        configurations.forEach(this::set)
-    }
-
-    override fun set(configuration: ConfigurationDto) = with(configuration) {
-        set(key.toConfigurationType(), content)
-    }
-
-    override fun set(type: ConfigurationType, content: String) {
-        when {
-            type.computed -> throw CannotSetComputedConfigurationException(type)
-            type.file -> fileConfiguration.set(type, content)
-            !emergencyMode -> repository.save(configuration(type, content).toEntity())
-        }
-    }
-
-    override fun set(configuration: ConfigurationImageDto) {
-        val filePath = when (val configurationType = configuration.key.toConfigurationType()) {
-            ConfigurationType.INSTANCE_LOGO_PATH -> CONFIGURATION_LOGO_FILE_PATH
-            ConfigurationType.INSTANCE_ICON_PATH -> CONFIGURATION_ICON_FILE_PATH
-            else -> throw InvalidImageConfigurationException(configurationType)
-        }
-
-        fileService.write(configuration.image, filePath, true)
-    }
-
-    @PostConstruct
-    fun initializeProperties() {
-        ConfigurationType.values().filter { !it.computed }.forEach {
-            try {
-                get(it)
-            } catch (_: ConfigurationNotSetException) {
-                set(it, it.defaultContent)
-            }
-        }
-    }
-
-    private val ConfigurationType.defaultContent: String
-        get() = when (this) {
-            ConfigurationType.INSTANCE_NAME -> "Color Recipes Explorer"
-            ConfigurationType.INSTANCE_LOGO_PATH -> "images/logo"
-            ConfigurationType.INSTANCE_ICON_PATH -> "images/icon"
-            ConfigurationType.INSTANCE_URL -> creProperties.deploymentUrl
-            ConfigurationType.DATABASE_URL -> databaseProperties.url
-            ConfigurationType.DATABASE_USER -> databaseProperties.username
-            ConfigurationType.DATABASE_PASSWORD -> databaseProperties.password
-            ConfigurationType.RECIPE_APPROBATION_EXPIRATION -> period(months = 4)
-            ConfigurationType.TOUCH_UP_KIT_CACHE_PDF -> "true"
-            ConfigurationType.TOUCH_UP_KIT_EXPIRATION -> period(months = 1)
-            else -> ""
-        }
-
-    private fun getComputedConfiguration(key: ConfigurationType) = configuration(
-        key, when (key) {
-            ConfigurationType.EMERGENCY_MODE_ENABLED -> emergencyMode
-            ConfigurationType.BUILD_VERSION -> buildInfo.version
-            ConfigurationType.BUILD_TIME -> LocalDate.ofInstant(buildInfo.time, ZoneId.systemDefault()).toString()
-            ConfigurationType.DATABASE_SUPPORTED_VERSION -> SUPPORTED_DATABASE_VERSION
-            ConfigurationType.JAVA_VERSION -> Runtime.version()
-            ConfigurationType.OPERATING_SYSTEM -> "${System.getProperty("os.name")} ${System.getProperty("os.version")} ${
-                System.getProperty(
-                    "os.arch"
-                )
-            }"
-            else -> throw IllegalArgumentException("Cannot get the value of the configuration with the key ${key.key} because it is not a computed configuration")
-        }.toString()
-    )
-
-    private fun period(days: Int = 0, months: Int = 0, years: Int = 0) =
-        Period.of(days, months, years).toString()
-}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt

@@ -3,6 +3,7 @@ package dev.fyloz.colorrecipesexplorer.service
 import dev.fyloz.colorrecipesexplorer.model.*
 import dev.fyloz.colorrecipesexplorer.repository.MaterialRepository
 import dev.fyloz.colorrecipesexplorer.rest.FILE_CONTROLLER_PATH
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import io.jsonwebtoken.lang.Assert
 import org.springframework.context.annotation.Lazy
 import org.springframework.context.annotation.Profile

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/RecipeService.kt

@@ -4,6 +4,7 @@ import dev.fyloz.colorrecipesexplorer.model.*
 import dev.fyloz.colorrecipesexplorer.model.account.Group
 import dev.fyloz.colorrecipesexplorer.model.validation.or
 import dev.fyloz.colorrecipesexplorer.repository.RecipeRepository
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import dev.fyloz.colorrecipesexplorer.utils.setAll
 import org.springframework.context.annotation.Lazy
 import org.springframework.context.annotation.Profile

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/TouchUpKitService.kt

@@ -1,10 +1,10 @@
 package dev.fyloz.colorrecipesexplorer.service
 
-import dev.fyloz.colorrecipesexplorer.config.properties.CreProperties
 import dev.fyloz.colorrecipesexplorer.model.ConfigurationType
 import dev.fyloz.colorrecipesexplorer.model.touchupkit.*
 import dev.fyloz.colorrecipesexplorer.repository.TouchUpKitRepository
 import dev.fyloz.colorrecipesexplorer.rest.TOUCH_UP_KIT_CONTROLLER_PATH
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import dev.fyloz.colorrecipesexplorer.utils.*
 import org.springframework.context.annotation.Profile
 import org.springframework.core.io.ByteArrayResource
@@ -29,12 +29,12 @@ interface TouchUpKitService :
     /**
      * Generates and returns a [PdfDocument] for the given [job] as a [ByteArrayResource].
      *
-     * If [CreProperties.cacheGeneratedFiles] is enabled and a file exists for the job, its content will be returned.
+     * If TOUCH_UP_KIT_CACHE_PDF is enabled and a file exists for the job, its content will be returned.
      * If caching is enabled but no file exists for the job, the generated ByteArrayResource will be cached on the disk.
      */
     fun generateJobPdfResource(job: String): ByteArrayResource
 
-    /** Writes the given [document] to the [FileService] if [CreProperties.cacheGeneratedFiles] is enabled. */
+    /** Writes the given [document] to the [FileService] if TOUCH_UP_KIT_CACHE_PDF is enabled. */
     fun String.cachePdfDocument(document: PdfDocument)
 }
 
@@ -47,6 +47,10 @@ class TouchUpKitServiceImpl(
 ) : AbstractExternalModelService<TouchUpKit, TouchUpKitSaveDto, TouchUpKitUpdateDto, TouchUpKitOutputDto, TouchUpKitRepository>(
     touchUpKitRepository
 ), TouchUpKitService {
+    private val cacheGeneratedFiles by lazy {
+        configService.get(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF).content == true.toString()
+    }
+
     override fun idNotFoundException(id: Long) = touchUpKitIdNotFoundException(id)
     override fun idAlreadyExistsException(id: Long) = touchUpKitIdAlreadyExistsException(id)
 
@@ -117,7 +121,7 @@ class TouchUpKitServiceImpl(
     }
 
     override fun generateJobPdfResource(job: String): ByteArrayResource {
-        if (cacheGeneratedFiles()) {
+        if (cacheGeneratedFiles) {
             with(job.pdfDocumentPath()) {
                 if (fileService.exists(this)) {
                     return fileService.read(this)
@@ -131,7 +135,7 @@ class TouchUpKitServiceImpl(
     }
 
     override fun String.cachePdfDocument(document: PdfDocument) {
-        if (!cacheGeneratedFiles()) return
+        if (!cacheGeneratedFiles) return
 
         fileService.write(document.toByteArrayResource(), this.pdfDocumentPath(), true)
     }
@@ -141,7 +145,4 @@ class TouchUpKitServiceImpl(
 
     private fun TouchUpKit.pdfUrl() =
         "${configService.get(ConfigurationType.INSTANCE_URL).content}$TOUCH_UP_KIT_CONTROLLER_PATH/pdf?job=$project"
-
-    private fun cacheGeneratedFiles() =
-        configService.get(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF).content == "true"
 }

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/config/ConfigurationService.kt

@@ -0,0 +1,194 @@
+package dev.fyloz.colorrecipesexplorer.service.config
+
+import dev.fyloz.colorrecipesexplorer.config.properties.CreSecurityProperties
+import dev.fyloz.colorrecipesexplorer.model.*
+import dev.fyloz.colorrecipesexplorer.service.FileService
+import dev.fyloz.colorrecipesexplorer.utils.decrypt
+import dev.fyloz.colorrecipesexplorer.utils.encrypt
+import org.slf4j.Logger
+import org.springframework.context.annotation.Lazy
+import org.springframework.security.crypto.keygen.KeyGenerators
+import org.springframework.stereotype.Service
+
+interface ConfigurationService {
+    /** Gets all set configurations. */
+    fun getAll(): List<Configuration>
+
+    /**
+     * Gets all configurations with keys contained in the given [formattedKeyList].
+     * The [formattedKeyList] contains wanted configuration keys separated by a semi-colon.
+     */
+    fun getAll(formattedKeyList: String): List<Configuration>
+
+    /**
+     * Gets the configuration with the given [key].
+     * If the [key] does not exists, an [InvalidConfigurationKeyException] will be thrown.
+     */
+    fun get(key: String): Configuration
+
+    /** Gets the configuration with the given [type]. */
+    fun get(type: ConfigurationType): Configuration
+
+    /** Sets the content of each configuration in the given [configurations] list. */
+    fun set(configurations: List<ConfigurationDto>)
+
+    /**
+     * Sets the content of the configuration matching the given [configuration].
+     * If the given key does not exists, an [InvalidConfigurationKeyException] will be thrown.
+     */
+    fun set(configuration: ConfigurationDto)
+
+    /** Sets the content given [configuration]. */
+    fun set(configuration: Configuration)
+
+    /** Sets the content of the configuration matching the given [configuration] with a given image. */
+    fun set(configuration: ConfigurationImageDto)
+
+    /** Initialize the properties matching the given [predicate]. */
+    fun initializeProperties(predicate: (ConfigurationType) -> Boolean)
+}
+
+const val CONFIGURATION_LOGO_FILE_PATH = "images/logo"
+const val CONFIGURATION_ICON_FILE_PATH = "images/icon"
+const val CONFIGURATION_FORMATTED_LIST_DELIMITER = ';'
+
+@Service("configurationService")
+class ConfigurationServiceImpl(
+    @Lazy private val fileService: FileService,
+    private val configurationSource: ConfigurationSource,
+    private val securityProperties: CreSecurityProperties,
+    private val logger: Logger
+) : ConfigurationService {
+    private val saltConfigurationType = ConfigurationType.GENERATED_ENCRYPTION_SALT
+    private val encryptionSalt by lazy {
+        securityProperties.configSalt ?: getGeneratedSalt()
+    }
+
+    override fun getAll() =
+        ConfigurationType.values().mapNotNull {
+            try {
+                get(it)
+            } catch (_: ConfigurationNotSetException) {
+                null
+            } catch (_: InvalidConfigurationKeyException) {
+                null
+            }
+        }
+
+    override fun getAll(formattedKeyList: String) =
+        formattedKeyList.split(CONFIGURATION_FORMATTED_LIST_DELIMITER).mapNotNull {
+            try {
+                get(it)
+            } catch (_: ConfigurationNotSetException) {
+                null
+            } catch (_: InvalidConfigurationKeyException) {
+                null
+            }
+        }
+
+    override fun get(key: String) =
+        get(key.toConfigurationType())
+
+    override fun get(type: ConfigurationType): Configuration {
+        // Encryption salt should never be returned, but cannot be set as "secure" without encrypting it
+        if (type == ConfigurationType.GENERATED_ENCRYPTION_SALT) throw InvalidConfigurationKeyException(type.key)
+
+        val configuration = configurationSource.get(type) ?: throw ConfigurationNotSetException(type)
+        return if (type.secure) {
+            decryptConfiguration(configuration)
+        } else {
+            configuration
+        }
+    }
+
+    override fun set(configurations: List<ConfigurationDto>) {
+        configurationSource.set(
+            configurations
+                .map(::configuration)
+                .map(this::encryptConfigurationIfSecure)
+        )
+    }
+
+    override fun set(configuration: ConfigurationDto) =
+        set(configuration(configuration))
+
+    override fun set(configuration: Configuration) {
+        configurationSource.set(encryptConfigurationIfSecure(configuration))
+    }
+
+    override fun set(configuration: ConfigurationImageDto) {
+        val filePath = when (val configurationType = configuration.key.toConfigurationType()) {
+            ConfigurationType.INSTANCE_LOGO_PATH -> CONFIGURATION_LOGO_FILE_PATH
+            ConfigurationType.INSTANCE_ICON_PATH -> CONFIGURATION_ICON_FILE_PATH
+            else -> throw InvalidImageConfigurationException(configurationType)
+        }
+
+        fileService.write(configuration.image, filePath, true)
+    }
+
+    override fun initializeProperties(predicate: (ConfigurationType) -> Boolean) {
+        ConfigurationType.values()
+            .filter(predicate)
+            .filter { !it.computed }    // Can't initialize computed configurations
+            .filter { it != ConfigurationType.GENERATED_ENCRYPTION_SALT }
+            .forEach {
+                try {
+                    get(it)
+                } catch (_: ConfigurationNotSetException) {
+                    with(it.defaultContent) {
+                        if (this != null) { // Ignores configurations with null default values
+                            logger.info("Configuration ${it.key} was not set and will be initialized to a default value")
+                            set(configuration(type = it, content = this.toString()))
+                        }
+                    }
+                }
+            }
+    }
+
+    private fun encryptConfigurationIfSecure(configuration: Configuration) =
+        with(configuration) {
+            if (type.secure) {
+                encryptConfiguration(this)
+            } else {
+                this
+            }
+        }
+
+    private fun encryptConfiguration(configuration: Configuration) =
+        with(configuration) {
+            configuration(
+                type = type,
+                content = content.encrypt(type.key, encryptionSalt)
+            )
+        }
+
+    private fun decryptConfiguration(configuration: Configuration) =
+        with(configuration) {
+            try {
+                configuration(
+                    type = type,
+                    content = content.decrypt(type.key, encryptionSalt)
+                )
+            } catch (ex: IllegalStateException) {
+                logger.error(
+                    "Could not read encrypted configuration, using default value. Are you using the correct salt?",
+                    ex
+                )
+                configuration(type = type)
+            }
+        }
+
+    private fun getGeneratedSalt(): String {
+        logger.warn("Sensitives configurations encryption salt was not configured, using generated salt")
+        logger.warn("Consider configuring the encryption salt. More details at: https://git.fyloz.dev/color-recipes-explorer/backend/-/wikis/Configuration/S%C3%A9curit%C3%A9/#sel")
+
+        var saltConfiguration = configurationSource.get(saltConfigurationType)
+        if (saltConfiguration == null) {
+            val generatedSalt = KeyGenerators.string().generateKey()
+            saltConfiguration = configuration(type = saltConfigurationType, content = generatedSalt)
+            configurationSource.set(saltConfiguration)
+        }
+
+        return saltConfiguration.content
+    }
+}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/config/ConfigurationSource.kt

@@ -0,0 +1,171 @@
+package dev.fyloz.colorrecipesexplorer.service.config
+
+import dev.fyloz.colorrecipesexplorer.SUPPORTED_DATABASE_VERSION
+import dev.fyloz.colorrecipesexplorer.config.properties.CreProperties
+import dev.fyloz.colorrecipesexplorer.emergencyMode
+import dev.fyloz.colorrecipesexplorer.model.CannotSetComputedConfigurationException
+import dev.fyloz.colorrecipesexplorer.model.Configuration
+import dev.fyloz.colorrecipesexplorer.model.ConfigurationType
+import dev.fyloz.colorrecipesexplorer.model.configuration
+import dev.fyloz.colorrecipesexplorer.repository.ConfigurationRepository
+import dev.fyloz.colorrecipesexplorer.service.create
+import dev.fyloz.colorrecipesexplorer.utils.excludeAll
+import org.slf4j.Logger
+import org.springframework.boot.info.BuildProperties
+import org.springframework.context.annotation.Lazy
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Component
+import java.io.File
+import java.io.FileInputStream
+import java.io.FileOutputStream
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.ZoneId
+import java.util.*
+
+const val CONFIGURATION_FILE_PATH = "config.properties"
+const val CONFIGURATION_FILE_COMMENT = "---Color Recipes Explorer configuration---"
+
+interface ConfigurationSource {
+    fun get(type: ConfigurationType): Configuration?
+    fun set(configuration: Configuration)
+    fun set(configurations: Iterable<Configuration>)
+}
+
+@Component("configurationSource")
+class CompositeConfigurationSource(
+    @Lazy private val configurationRepository: ConfigurationRepository,
+    private val properties: CreProperties,
+    private val buildInfo: BuildProperties,
+    private val logger: Logger
+) : ConfigurationSource {
+    private val repository by lazy { RepositoryConfigurationSource(configurationRepository) }
+    private val file by lazy {
+        FileConfigurationSource("${properties.configDirectory}/$CONFIGURATION_FILE_PATH")
+    }
+    private val computed by lazy {
+        ComputedConfigurationSource(buildInfo)
+    }
+
+    override fun get(type: ConfigurationType) =
+        when {
+            type.file -> file.get(type)
+            type.computed -> computed.get(type)
+            !emergencyMode -> repository.get(type)
+            else -> null
+        }
+
+    override fun set(configuration: Configuration) =
+        when {
+            configuration.type.file -> file.set(configuration)
+            configuration.type.computed -> throw CannotSetComputedConfigurationException(configuration.type)
+            !emergencyMode -> repository.set(configuration)
+            else -> {
+            }
+        }
+
+    override fun set(configurations: Iterable<Configuration>) {
+        val mutableConfigurations = configurations.toMutableList()
+        val fileConfigurations = mutableConfigurations.excludeAll { it.type.file }
+        val repositoryConfigurations = mutableConfigurations.excludeAll { !emergencyMode }
+
+        repository.set(repositoryConfigurations)
+        file.set(fileConfigurations)
+
+        mutableConfigurations.forEach {
+            logger.warn("Could not find where to store updated value of configuration '${it.key}'")
+        }
+    }
+}
+
+private class RepositoryConfigurationSource(
+    private val repository: ConfigurationRepository
+) : ConfigurationSource {
+    override fun get(type: ConfigurationType) =
+        repository.findByIdOrNull(type.key)?.toConfiguration()
+
+    override fun set(configuration: Configuration) {
+        repository.save(configuration.toEntity())
+    }
+
+    override fun set(configurations: Iterable<Configuration>) =
+        configurations.forEach { set(it) }
+}
+
+private class FileConfigurationSource(
+    private val configFilePath: String
+) : ConfigurationSource {
+    private val properties = Properties().apply {
+        with(File(configFilePath)) {
+            if (!this.exists()) this.create()
+            FileInputStream(this).use {
+                this@apply.load(it)
+            }
+        }
+    }
+
+    override fun get(type: ConfigurationType) =
+        if (properties.containsKey(type.key))
+            configuration(
+                type,
+                getConfigurationContent(type.key),
+                LocalDateTime.parse(getConfigurationContent(configurationLastUpdateKey(type.key)))
+            )
+        else null
+
+    override fun set(configuration: Configuration) {
+        setConfigurationContent(configuration.type.key, configuration.content)
+        save()
+    }
+
+    override fun set(configurations: Iterable<Configuration>) {
+        configurations.forEach {
+            setConfigurationContent(it.type.key, it.content)
+        }
+        save()
+    }
+
+    fun save() {
+        FileOutputStream(configFilePath).use {
+            properties.store(it, CONFIGURATION_FILE_COMMENT)
+        }
+    }
+
+    private fun getConfigurationContent(key: String) =
+        properties[key] as String
+
+    private fun setConfigurationContent(key: String, content: String) {
+        properties[key] = content
+        properties[configurationLastUpdateKey(key)] = LocalDateTime.now().toString()
+    }
+
+    private fun configurationLastUpdateKey(key: String) = "$key.last-updated"
+}
+
+private class ComputedConfigurationSource(
+    private val buildInfo: BuildProperties
+) : ConfigurationSource {
+    override fun get(type: ConfigurationType) = configuration(
+        type, when (type) {
+            ConfigurationType.EMERGENCY_MODE_ENABLED -> emergencyMode
+            ConfigurationType.BUILD_VERSION -> buildInfo.version
+            ConfigurationType.BUILD_TIME -> LocalDate.ofInstant(buildInfo.time, ZoneId.systemDefault()).toString()
+            ConfigurationType.DATABASE_SUPPORTED_VERSION -> SUPPORTED_DATABASE_VERSION
+            ConfigurationType.JAVA_VERSION -> Runtime.version()
+            ConfigurationType.OPERATING_SYSTEM -> "${System.getProperty("os.name")} ${System.getProperty("os.version")} ${
+                System.getProperty(
+                    "os.arch"
+                )
+            }"
+            else -> throw IllegalArgumentException("Cannot get the value of the configuration with the key ${type.key} because it is not a computed configuration")
+        }.toString()
+    )
+
+    override fun set(configuration: Configuration) {
+        throw UnsupportedOperationException("Cannot set computed configurations")
+    }
+
+    override fun set(configurations: Iterable<Configuration>) {
+        throw UnsupportedOperationException("Cannot set computed configurations")
+    }
+}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/utils/Collections.kt

@@ -36,3 +36,10 @@ fun <T> MutableCollection<T>.setAll(elements: Collection<T>) {
     this.clear()
     this.addAll(elements)
 }
+
+/** Removes and returns all elements of a [MutableCollection] matching the given [predicate]. */
+inline fun <T> MutableCollection<T>.excludeAll(predicate: (T) -> Boolean): Iterable<T> {
+    val matching = this.filter(predicate)
+    this.removeAll(matching)
+    return matching
+}

src/main/kotlin/dev/fyloz/colorrecipesexplorer/utils/Crypto.kt

@@ -0,0 +1,17 @@
+package dev.fyloz.colorrecipesexplorer.utils
+
+import org.springframework.security.crypto.encrypt.Encryptors
+import org.springframework.security.crypto.encrypt.TextEncryptor
+
+fun String.encrypt(password: String, salt: String): String =
+    withTextEncryptor(password, salt) {
+        it.encrypt(this)
+    }
+
+fun String.decrypt(password: String, salt: String): String =
+    withTextEncryptor(password, salt) {
+        it.decrypt(this)
+    }
+
+private fun withTextEncryptor(password: String, salt: String, op: (TextEncryptor) -> String) =
+    op(Encryptors.text(password, salt))

src/main/kotlin/dev/fyloz/colorrecipesexplorer/utils/Time.kt

@@ -0,0 +1,9 @@
+package dev.fyloz.colorrecipesexplorer.utils
+
+import java.time.Period
+
+fun period(days: Int = 0, months: Int = 0, years: Int = 0): Period =
+    Period.of(days, months, years)
+
+val Int.months: Period
+    get() = period(months = this)

src/main/resources/application.properties

@@ -1,11 +1,11 @@
 # PORT
 server.port=9090
 # CRE
-cre.server.working-directory=data
-cre.server.deployment-url=http://localhost:9090
-cre.server.cache-generated-files=true
+cre.server.data-directory=data
+cre.server.config-directory=config
 cre.security.jwt-secret=CtnvGQjgZ44A1fh295gE
 cre.security.jwt-duration=18000000
+cre.security.aes-secret=blabla
 # Root user
 cre.security.root.id=9999
 cre.security.root.password=password

src/test/kotlin/dev/fyloz/colorrecipesexplorer/service/AccountsServiceTest.kt

@@ -1,7 +1,7 @@
 package dev.fyloz.colorrecipesexplorer.service
 
 import com.nhaarman.mockitokotlin2.*
-import dev.fyloz.colorrecipesexplorer.config.defaultGroupCookieName
+import dev.fyloz.colorrecipesexplorer.config.security.defaultGroupCookieName
 import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
 import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
 import dev.fyloz.colorrecipesexplorer.model.account.*

src/test/kotlin/dev/fyloz/colorrecipesexplorer/service/ConfigurationServiceTest.kt

@@ -1,22 +1,26 @@
 package dev.fyloz.colorrecipesexplorer.service
 
-import dev.fyloz.colorrecipesexplorer.config.FileConfiguration
+import dev.fyloz.colorrecipesexplorer.config.properties.CreSecurityProperties
 import dev.fyloz.colorrecipesexplorer.model.*
-import dev.fyloz.colorrecipesexplorer.repository.ConfigurationRepository
+import dev.fyloz.colorrecipesexplorer.service.config.CONFIGURATION_FORMATTED_LIST_DELIMITER
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationServiceImpl
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationSource
+import dev.fyloz.colorrecipesexplorer.utils.encrypt
 import io.mockk.*
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
-import java.time.LocalDateTime
-import java.util.*
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertTrue
 
 class ConfigurationServiceTest {
-    private val repository = mockk<ConfigurationRepository>()
-    private val fileConfiguration = mockk<FileConfiguration>()
-    private val service = spyk(ConfigurationServiceImpl(repository, mockk(), fileConfiguration, mockk(), mockk(), mockk()))
+    private val fileService = mockk<FileService>()
+    private val configurationSource = mockk<ConfigurationSource>()
+    private val securityProperties = mockk<CreSecurityProperties> {
+        every { configSalt } returns "d32270943af7e1cc"
+    }
+    private val service = spyk(ConfigurationServiceImpl(fileService, configurationSource, securityProperties, mockk()))
 
     @AfterEach
     fun afterEach() {
@@ -126,73 +130,22 @@ class ConfigurationServiceTest {
     }
 
     @Test
-    fun `get(type) gets in the repository when the given ConfigurationType is not computed or a file property`() {
+    fun `get(type) gets the configuration in the ConfigurationSource`() {
         val type = ConfigurationType.INSTANCE_ICON_PATH
+        val configuration = configuration(type = type)
 
-        every { repository.findById(type.key) } returns Optional.of(
-            ConfigurationEntity(type.key, type.key, LocalDateTime.now())
-        )
+        every { configurationSource.get(type) } returns configuration
 
-        val configuration = service.get(type)
+        val found = service.get(type)
 
-        assertTrue {
-            configuration.key == type.key
-        }
-
-        verify {
-            service.get(type)
-            repository.findById(type.key)
-        }
-        confirmVerified(service, repository)
-    }
-
-    @Test
-    fun `get(type) gets in the FileConfiguration when the gien ConfigurationType is a file property`() {
-        val type = ConfigurationType.DATABASE_URL
-
-        every { fileConfiguration.get(type) } returns configuration(type, type.key)
-
-        val configuration = service.get(type)
-
-        assertTrue {
-            configuration.key == type.key
-        }
-
-        verify {
-            service.get(type)
-            fileConfiguration.get(type)
-        }
-        verify(exactly = 0) {
-            repository.findById(type.key)
-        }
-        confirmVerified(service, fileConfiguration, repository)
-    }
-
-    @Test
-    fun `get(type) computes computed properties`() {
-        val type = ConfigurationType.JAVA_VERSION
-
-        val configuration = service.get(type)
-
-        assertTrue {
-            configuration.key == type.key
-        }
-
-        verify {
-            service.get(type)
-        }
-        verify(exactly = 0) {
-            repository.findById(type.key)
-            fileConfiguration.get(type)
-        }
-        confirmVerified(service, repository, fileConfiguration)
+        assertEquals(configuration, found)
     }
 
     @Test
     fun `get(type) throws ConfigurationNotSetException when the given ConfigurationType has no set configuration`() {
         val type = ConfigurationType.INSTANCE_ICON_PATH
 
-        every { repository.findById(type.key) } returns Optional.empty()
+        every { configurationSource.get(type) } returns null
 
         with(assertThrows<ConfigurationNotSetException> { service.get(type) }) {
             assertEquals(type, this.type)
@@ -200,56 +153,64 @@ class ConfigurationServiceTest {
 
         verify {
             service.get(type)
-            repository.findById(type.key)
+            configurationSource.get(type)
         }
     }
 
     @Test
-    fun `set() set the configuration in the FileConfiguration when the given ConfigurationType is a file configuration`() {
-        val type = ConfigurationType.DATABASE_URL
-        val content = "url"
+    fun `get(type) throws InvalidConfigurationKeyException when the given ConfigurationType is encryption salt`() {
+        val type = ConfigurationType.GENERATED_ENCRYPTION_SALT
 
-        every { fileConfiguration.set(type, content) } just runs
-
-        service.set(type, content)
-
-        verify {
-            service.set(type, content)
-            fileConfiguration.set(type, content)
-        }
-        confirmVerified(service, fileConfiguration)
+        assertThrows<InvalidConfigurationKeyException> { service.get(type) }
     }
 
     @Test
-    fun `set() set the configuration in the repository when the given ConfigurationType is not a computed configuration of a file configuration`() {
-        val type = ConfigurationType.INSTANCE_ICON_PATH
-        val content = "path"
-        val configuration = configuration(type, content)
-        val entity = configuration.toEntity()
+    fun `get(type) decrypts configuration content when the given ConfigurationType is secure`() {
+        val type = ConfigurationType.DATABASE_PASSWORD
+        val content = "securepassword"
+        val configuration = configuration(
+            type = type,
+            content = content.encrypt(type.key, securityProperties.configSalt!!)
+        )
 
-        every { repository.save(entity) } returns entity
+        every { configurationSource.get(type) } returns configuration
 
-        service.set(type, content)
+        val found = service.get(type)
 
-        verify {
-            service.set(type, content)
-            repository.save(entity)
-        }
-        confirmVerified(service, repository)
+        assertEquals(content, found.content)
     }
 
     @Test
-    fun `set() throws CannotSetComputedConfigurationException when the given ConfigurationType is a computed configuration`() {
-        val type = ConfigurationType.JAVA_VERSION
-        val content = "5"
+    fun `set(configuration) set configuration in ConfigurationSource`() {
+        val configuration = configuration(type = ConfigurationType.INSTANCE_NAME)
 
-        with(assertThrows<CannotSetComputedConfigurationException> { service.set(type, content) }) {
-            assertEquals(type, this.type)
-        }
+        every { configurationSource.set(any<Configuration>()) } just runs
+
+        service.set(configuration)
 
         verify {
-            service.set(type, content)
-        }
-        confirmVerified(service)
+            configurationSource.set(configuration)
+        }
+    }
+
+    @Test
+    fun `set(configuration) encrypts secure configurations`() {
+        val type = ConfigurationType.DATABASE_PASSWORD
+        val content = "securepassword"
+        val encryptedContent =content.encrypt(type.key, securityProperties.configSalt!!)
+        val configuration = configuration(type = type, content = content)
+
+        mockkStatic(String::encrypt)
+
+        every { configurationSource.set(any<Configuration>()) } just runs
+        every { content.encrypt(any(), any()) } returns encryptedContent
+
+        service.set(configuration)
+
+        verify {
+            configurationSource.set(match<Configuration> {
+                it.content == encryptedContent
+            })
+        }
     }
 }

src/test/kotlin/dev/fyloz/colorrecipesexplorer/service/FileServiceTest.kt

@@ -15,7 +15,6 @@ import kotlin.test.assertTrue
 
 private val creProperties = CreProperties().apply {
     dataDirectory = "data"
-    deploymentUrl = "http://localhost"
 }
 private const val mockFilePath = "existingFile"
 private val mockFilePathPath = Path.of(mockFilePath)

src/test/kotlin/dev/fyloz/colorrecipesexplorer/service/RecipeServiceTest.kt

@@ -5,6 +5,7 @@ import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
 import dev.fyloz.colorrecipesexplorer.model.*
 import dev.fyloz.colorrecipesexplorer.model.account.group
 import dev.fyloz.colorrecipesexplorer.repository.RecipeRepository
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import io.mockk.*
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.Test
@@ -271,7 +272,7 @@ private class RecipeImageServiceTestContext {
     val recipeImagesIds = setOf(1L, 10L, 21L)
     val recipeImagesNames = recipeImagesIds.map { it.imageName }.toSet()
     val recipeImagesFiles = recipeImagesNames.map { File(it) }.toTypedArray()
-    val recipeDirectory = spyk(File(recipe.imagesDirectoryPath)) {
+    val recipeDirectory = mockk<File> {
         every { exists() } returns true
         every { isDirectory } returns true
         every { listFiles() } returns recipeImagesFiles

src/test/kotlin/dev/fyloz/colorrecipesexplorer/service/TouchUpKitServiceTest.kt

@@ -5,6 +5,7 @@ import dev.fyloz.colorrecipesexplorer.model.ConfigurationType
 import dev.fyloz.colorrecipesexplorer.model.configuration
 import dev.fyloz.colorrecipesexplorer.repository.TouchUpKitRepository
 import dev.fyloz.colorrecipesexplorer.service.*
+import dev.fyloz.colorrecipesexplorer.service.config.ConfigurationService
 import dev.fyloz.colorrecipesexplorer.utils.PdfDocument
 import dev.fyloz.colorrecipesexplorer.utils.toByteArrayResource
 import io.mockk.*
@@ -18,9 +19,7 @@ private class TouchUpKitServiceTestContext {
     val fileService = mockk<FileService> {
         every { write(any<ByteArrayResource>(), any(), any()) } just Runs
     }
-    val creProperties = mockk<CreProperties> {
-        every { cacheGeneratedFiles } returns false
-    }
+    val creProperties = mockk<CreProperties>()
     val configService = mockk<ConfigurationService>(relaxed = true)
     val touchUpKitService = spyk(TouchUpKitServiceImpl(fileService, configService, touchUpKitRepository))
     val pdfDocumentData = mockk<ByteArrayResource>()
@@ -79,10 +78,13 @@ class TouchUpKitServiceTest {
     @Test
     fun `generateJobPdfResource() returns a cached ByteArrayResource from the FileService when caching is enabled and a cached file eixsts for the given job`() {
         test {
-            every { creProperties.cacheGeneratedFiles } returns true
+            enableCachePdf()
             every { fileService.exists(any()) } returns true
             every { fileService.read(any()) } returns pdfDocumentData
-            every { configService.get(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF) } returns configuration(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF, "true")
+            every { configService.get(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF) } returns configuration(
+                ConfigurationType.TOUCH_UP_KIT_CACHE_PDF,
+                "true"
+            )
 
             val redResource = touchUpKitService.generateJobPdfResource(job)
 
@@ -95,7 +97,7 @@ class TouchUpKitServiceTest {
     @Test
     fun `cachePdfDocument() does nothing when caching is disabled`() {
         test {
-            every { creProperties.cacheGeneratedFiles } returns false
+            disableCachePdf()
 
             with(touchUpKitService) {
                 job.cachePdfDocument(pdfDocument)
@@ -110,8 +112,7 @@ class TouchUpKitServiceTest {
     @Test
     fun `cachePdfDocument() writes the given document to the FileService when cache is enabled`() {
         test {
-            every { creProperties.cacheGeneratedFiles } returns true
-            every { configService.get(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF) } returns configuration(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF, "true")
+            enableCachePdf()
 
             with(touchUpKitService) {
                 job.cachePdfDocument(pdfDocument)
@@ -123,6 +124,19 @@ class TouchUpKitServiceTest {
         }
     }
 
+    private fun TouchUpKitServiceTestContext.enableCachePdf() =
+        this.setCachePdf(true)
+
+    private fun TouchUpKitServiceTestContext.disableCachePdf() =
+        this.setCachePdf(false)
+
+    private fun TouchUpKitServiceTestContext.setCachePdf(enabled: Boolean) {
+        every { configService.get(ConfigurationType.TOUCH_UP_KIT_CACHE_PDF) } returns configuration(
+            type = ConfigurationType.TOUCH_UP_KIT_CACHE_PDF,
+            enabled.toString()
+        )
+    }
+
     private fun test(test: TouchUpKitServiceTestContext.() -> Unit) {
         TouchUpKitServiceTestContext().test()
     }