feat #18: initial support for authentication

src/main/kotlin/dev/dnpm/etl/processor/EtlProcessorApplication.kt

@@ -20,9 +20,10 @@
 package dev.dnpm.etl.processor
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration
 import org.springframework.boot.runApplication
 
-@SpringBootApplication
+@SpringBootApplication(exclude = [SecurityAutoConfiguration::class])
 class EtlProcessorApplication
 
 fun main(args: Array<String>) {

src/main/kotlin/dev/dnpm/etl/processor/config/AppConfigProperties.kt

@@ -1,7 +1,7 @@
 /*
  * This file is part of ETL-Processor
  *
- * Copyright (c) 2023  Comprehensive Cancer Center Mainfranken, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
+ * Copyright (c) 2024  Comprehensive Cancer Center Mainfranken, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published
@@ -76,6 +76,16 @@ data class KafkaTargetProperties(
     }
 }
 
+@ConfigurationProperties(SecurityConfigProperties.NAME)
+data class SecurityConfigProperties(
+    val adminUser: String?,
+    val adminPassword: String?,
+) {
+    companion object {
+        const val NAME = "app.security"
+    }
+}
+
 enum class PseudonymGenerator {
     BUILDIN,
     GPAS

src/main/kotlin/dev/dnpm/etl/processor/config/AppSecurityConfiguration.kt

@@ -0,0 +1,98 @@
+/*
+ * This file is part of ETL-Processor
+ *
+ * Copyright (c) 2023  Comprehensive Cancer Center Mainfranken, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package dev.dnpm.etl.processor.config
+
+import org.slf4j.LoggerFactory
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty
+import org.springframework.boot.context.properties.EnableConfigurationProperties
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+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.invoke
+import org.springframework.security.core.userdetails.User
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.crypto.factory.PasswordEncoderFactories
+import org.springframework.security.crypto.password.PasswordEncoder
+import org.springframework.security.provisioning.InMemoryUserDetailsManager
+import org.springframework.security.web.SecurityFilterChain
+import java.util.*
+
+
+@Configuration
+@EnableConfigurationProperties(
+    value = [
+        SecurityConfigProperties::class
+    ]
+)
+@ConditionalOnProperty(value = ["app.security.admin-user"])
+@EnableWebSecurity
+class AppSecurityConfiguration(
+    private val securityConfigProperties: SecurityConfigProperties
+) {
+
+    private val logger = LoggerFactory.getLogger(AppSecurityConfiguration::class.java)
+
+    @Bean
+    fun userDetailsService(passwordEncoder: PasswordEncoder): InMemoryUserDetailsManager {
+        val adminUser = if (securityConfigProperties.adminUser.isNullOrBlank()) {
+            logger.warn("Using random Admin User: admin")
+            "admin"
+        } else {
+            securityConfigProperties.adminUser
+        }
+        val adminPassword = if (securityConfigProperties.adminPassword.isNullOrBlank()) {
+            val random = UUID.randomUUID().toString()
+            logger.warn("Using random Admin Passwort: {}", random)
+            random
+        } else {
+            securityConfigProperties.adminPassword
+        }
+
+        val user: UserDetails = User.withUsername(adminUser)
+            .password(passwordEncoder.encode(adminPassword))
+            .roles("ADMIN")
+            .build()
+
+        return InMemoryUserDetailsManager(user)
+    }
+
+    @Bean
+    fun filterChain(http: HttpSecurity): SecurityFilterChain {
+        http {
+            authorizeRequests {
+                authorize("/configs/**", hasRole("ADMIN"))
+                authorize(anyRequest, permitAll)
+            }
+            formLogin {
+                loginPage = "/login"
+            }
+            csrf { disable() }
+        }
+        return http.build()
+    }
+
+    @Bean
+    fun passwordEncoder(): PasswordEncoder {
+        return PasswordEncoderFactories.createDelegatingPasswordEncoder()
+    }
+
+}
+

src/main/kotlin/dev/dnpm/etl/processor/web/LoginController.kt

@@ -0,0 +1,33 @@
+/*
+ * This file is part of ETL-Processor
+ *
+ * Copyright (c) 2024  Comprehensive Cancer Center Mainfranken, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package dev.dnpm.etl.processor.web
+
+import org.springframework.stereotype.Controller
+import org.springframework.web.bind.annotation.GetMapping
+
+@Controller
+class LoginController {
+
+    @GetMapping(path = ["/login"])
+    fun login(): String {
+        return "login"
+    }
+
+}