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This commit is contained in:
FyloZ 2021-07-31 19:46:20 -04:00
parent 3db4bbb0ee
commit 0d08c78056
Signed by: william
GPG Key ID: 835378AE9AF4AE97
6 changed files with 812 additions and 1 deletions

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.gitignore vendored
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gradle/
build/
logs/
config/
data/
dokka/
dist/

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package dev.fyloz.colorrecipesexplorer.config
import dev.fyloz.colorrecipesexplorer.config.properties.CreProperties
import dev.fyloz.colorrecipesexplorer.config.properties.MaterialTypeProperties
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.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
@Order(Ordered.HIGHEST_PRECEDENCE)
@Profile("!emergency")
class ApplicationReadyListener(
private val materialTypeService: MaterialTypeService,
private val configurationService: ConfigurationService,
private val materialTypeProperties: MaterialTypeProperties,
private val creProperties: CreProperties,
private val logger: Logger
) : ApplicationListener<ApplicationReadyEvent> {
override fun onApplicationEvent(event: ApplicationReadyEvent) {
if (emergencyMode) {
logger.error("Emergency mode is enabled, default material types will not be created")
thread {
Thread.sleep(1000)
logger.warn("Restarting in emergency mode...")
restartApplication(true)
}
return
}
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> {
override fun onApplicationEvent(event: ApplicationEnvironmentPreparedEvent) {
if (emergencyMode) {
event.environment.setActiveProfiles("emergency")
}
}
}

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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
}
}

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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")
}

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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
}
}

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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")
}
}