Add CLI command for Config

devtools/cli/pom.xml

@@ -73,6 +73,11 @@
             <artifactId>assertj-core</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>io.smallrye.config</groupId>
+            <artifactId>smallrye-config-crypto</artifactId>
+            <scope>test</scope>
+        </dependency>
         <!-- This dependency is here to make sure the build order is correct-->
         <dependency>
             <groupId>io.quarkus</groupId>

devtools/cli/src/main/java/io/quarkus/cli/Config.java

@@ -0,0 +1,29 @@
+package io.quarkus.cli;
+
+import java.util.List;
+import java.util.concurrent.Callable;
+
+import io.quarkus.cli.common.OutputOptionMixin;
+import io.quarkus.cli.config.Encryptor;
+import io.quarkus.cli.config.SetConfig;
+import picocli.CommandLine;
+import picocli.CommandLine.Command;
+
+@Command(name = "config", header = "Manage Quarkus configuration", subcommands = { SetConfig.class, Encryptor.class })
+public class Config implements Callable<Integer> {
+    @CommandLine.Mixin(name = "output")
+    protected OutputOptionMixin output;
+
+    @CommandLine.Spec
+    protected CommandLine.Model.CommandSpec spec;
+
+    @CommandLine.Unmatched // avoids throwing errors for unmatched arguments
+    List<String> unmatchedArgs;
+
+    @Override
+    public Integer call() throws Exception {
+        CommandLine.ParseResult result = spec.commandLine().getParseResult();
+        CommandLine appCommand = spec.subcommands().get("set");
+        return appCommand.execute(result.originalArgs().stream().filter(x -> !"config".equals(x)).toArray(String[]::new));
+    }
+}

devtools/cli/src/main/java/io/quarkus/cli/QuarkusCli.java

@@ -45,7 +45,15 @@
 import picocli.CommandLine.UnmatchedArgumentException;
 
 @CommandLine.Command(name = "quarkus", subcommands = {
-        Create.class, Build.class, Dev.class, Run.class, Test.class, ProjectExtensions.class, Image.class, Deploy.class,
+        Create.class,
+        Build.class,
+        Dev.class,
+        Run.class,
+        Test.class,
+        Config.class,
+        ProjectExtensions.class,
+        Image.class,
+        Deploy.class,
         Registry.class,
         Info.class,
         Update.class,

devtools/cli/src/main/java/io/quarkus/cli/config/BaseConfigCommand.java

@@ -0,0 +1,32 @@
+package io.quarkus.cli.config;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Base64;
+
+import io.quarkus.cli.common.OutputOptionMixin;
+import picocli.CommandLine;
+
+public class BaseConfigCommand {
+    @CommandLine.Mixin(name = "output")
+    protected OutputOptionMixin output;
+
+    @CommandLine.Spec
+    protected CommandLine.Model.CommandSpec spec;
+
+    Path projectRoot;
+
+    protected Path projectRoot() {
+        if (projectRoot == null) {
+            projectRoot = output.getTestDirectory();
+            if (projectRoot == null) {
+                projectRoot = Paths.get(System.getProperty("user.dir")).toAbsolutePath();
+            }
+        }
+        return projectRoot;
+    }
+
+    protected String encodeToString(byte[] data) {
+        return Base64.getUrlEncoder().withoutPadding().encodeToString(data);
+    }
+}

devtools/cli/src/main/java/io/quarkus/cli/config/Encryptor.java

@@ -0,0 +1,99 @@
+package io.quarkus.cli.config;
+
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.SecureRandom;
+import java.util.Base64;
+import java.util.concurrent.Callable;
+
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.GCMParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import picocli.CommandLine.Command;
+import picocli.CommandLine.Option;
+
+@Command(name = "encryptor", aliases = "enc", header = "Encrypt Secrets using AES/GCM/NoPadding algorithm by default")
+public class Encryptor extends BaseConfigCommand implements Callable<Integer> {
+    @Option(required = true, names = { "-s", "--secret" }, description = "Secret")
+    String secret;
+
+    @Option(names = { "-k", "--key" }, description = "Encryption Key")
+    String encryptionKey;
+
+    @Option(names = { "-f", "--format" }, description = "Encryption Key Format (base64 / plain)", defaultValue = "base64")
+    KeyFormat encryptionKeyFormat;
+
+    @Option(hidden = true, names = { "-a", "--algorithm" }, description = "Algorithm", defaultValue = "AES")
+    String algorithm;
+
+    @Option(hidden = true, names = { "-m", "--mode" }, description = "Mode", defaultValue = "GCM")
+    String mode;
+
+    @Option(hidden = true, names = { "-p", "--padding" }, description = "Algorithm", defaultValue = "NoPadding")
+    String padding;
+
+    @Option(hidden = true, names = { "-q", "--quiet" }, defaultValue = "false")
+    boolean quiet;
+
+    private String encryptedSecret;
+
+    @Override
+    public Integer call() throws Exception {
+        if (encryptionKey == null) {
+            encryptionKey = encodeToString(generateEncryptionKey().getEncoded());
+        } else {
+            if (encryptionKeyFormat.equals(KeyFormat.base64)) {
+                encryptionKey = encodeToString(encryptionKey.getBytes());
+            }
+        }
+
+        Cipher cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + padding);
+        byte[] iv = new byte[12];
+        new SecureRandom().nextBytes(iv);
+        MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
+        sha256.update(encryptionKey.getBytes(StandardCharsets.UTF_8));
+        cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(sha256.digest(), "AES"), new GCMParameterSpec(128, iv));
+
+        byte[] encrypted = cipher.doFinal(secret.getBytes(StandardCharsets.UTF_8));
+
+        ByteBuffer message = ByteBuffer.allocate(1 + iv.length + encrypted.length);
+        message.put((byte) iv.length);
+        message.put(iv);
+        message.put(encrypted);
+
+        this.encryptedSecret = Base64.getUrlEncoder().withoutPadding().encodeToString((message.array()));
+        if (!quiet) {
+            System.out.println("Encrypted Secret: " + encryptedSecret);
+            System.out.println("Encryption Key: " + encryptionKey);
+        }
+
+        return 0;
+    }
+
+    private SecretKey generateEncryptionKey() {
+        try {
+            return KeyGenerator.getInstance(algorithm).generateKey();
+        } catch (Exception e) {
+            System.err.println("Error while generating the encryption key: " + e);
+            System.exit(-1);
+        }
+        return null;
+    }
+
+    public String getEncryptedSecret() {
+        return encryptedSecret;
+    }
+
+    public String getEncryptionKey() {
+        return encryptionKey;
+    }
+
+    public enum KeyFormat {
+        base64,
+        plain
+    }
+}

devtools/cli/src/main/java/io/quarkus/cli/config/SetConfig.java

@@ -0,0 +1,102 @@
+package io.quarkus.cli.config;
+
+import java.io.BufferedWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+
+import io.smallrye.config.ConfigValue;
+import picocli.CommandLine;
+
+@CommandLine.Command(name = "set")
+public class SetConfig extends BaseConfigCommand implements Callable<Integer> {
+    @CommandLine.Option(required = true, names = { "-n", "--name" }, description = "Configuration name")
+    String name;
+    @CommandLine.Option(names = { "-a", "--value" }, description = "Configuration value")
+    String value;
+    @CommandLine.Option(names = { "-k", "--encrypt" }, description = "Encrypt value")
+    boolean encrypt;
+
+    @Override
+    public Integer call() throws Exception {
+        Path properties = projectRoot().resolve("src/main/resources/application.properties");
+        if (!properties.toFile().exists()) {
+            System.out.println("Could not find an application.properties file");
+            return 0;
+        }
+
+        List<String> lines = Files.readAllLines(properties);
+
+        if (encrypt) {
+            Encryptor encryptor = new Encryptor();
+            List<String> args = new ArrayList<>();
+            args.add("-q");
+            if (value == null) {
+                value = findKey(lines, name).getValue();
+            }
+            args.add("--secret=" + value);
+            if (value == null || value.length() == 0) {
+                System.out.println("Cannot encrypt an empty value");
+                return -1;
+            }
+
+            ConfigValue encryptionKey = findKey(lines, "smallrye.config.secret-handler.aes-gcm-nopadding.encryption-key");
+            if (encryptionKey.getValue() != null) {
+                args.add("--key=" + encryptionKey.getValue());
+            }
+
+            int execute = new CommandLine(encryptor).execute(args.toArray(new String[] {}));
+            if (execute < 0) {
+                System.exit(execute);
+            }
+            value = "${aes-gcm-nopadding::" + encryptor.getEncryptedSecret() + "}";
+            if (encryptionKey.getValue() == null) {
+                lines.add(encryptionKey.getName() + "=" + encryptor.getEncryptionKey());
+            }
+        }
+
+        int nameLineNumber = -1;
+        for (int i = 0; i < lines.size(); i++) {
+            String line = lines.get(i);
+            if (line.startsWith(name + "=")) {
+                nameLineNumber = i;
+                break;
+            }
+        }
+
+        if (nameLineNumber != -1) {
+            if (value != null) {
+                System.out.println("Setting " + name + " to " + value);
+                lines.set(nameLineNumber, name + "=" + value);
+            } else {
+                System.out.println("Removing " + name);
+                lines.remove(nameLineNumber);
+            }
+        } else {
+            System.out.println("Adding " + name + " with " + value);
+            lines.add(name + "=" + (value != null ? value : ""));
+        }
+
+        try (BufferedWriter writer = Files.newBufferedWriter(properties)) {
+            for (String i : lines) {
+                writer.write(i);
+                writer.newLine();
+            }
+        }
+
+        return 0;
+    }
+
+    public static ConfigValue findKey(List<String> lines, String name) {
+        ConfigValue configValue = ConfigValue.builder().withName(name).build();
+        for (int i = 0; i < lines.size(); i++) {
+            final String line = lines.get(i);
+            if (line.startsWith(configValue.getName() + "=")) {
+                return configValue.withValue(line.substring(name.length() + 1)).withLineNumber(i);
+            }
+        }
+        return configValue;
+    }
+}

devtools/cli/src/test/java/io/quarkus/cli/config/EncryptorTest.java

@@ -0,0 +1,78 @@
+package io.quarkus.cli.config;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.nio.file.Path;
+import java.util.Scanner;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import io.quarkus.cli.CliDriver;
+import io.smallrye.config.SmallRyeConfig;
+import io.smallrye.config.SmallRyeConfigBuilder;
+
+class EncryptorTest {
+    @TempDir
+    Path tempDir;
+
+    @Test
+    void encrypt() throws Exception {
+        CliDriver.Result result = CliDriver.execute(tempDir, "config", "encryptor", "--secret=12345678");
+        Scanner scanner = new Scanner(result.getStdout());
+        String secret = scanner.nextLine().split(": ")[1];
+        String encryptionKey = scanner.nextLine().split(": ")[1];
+
+        SmallRyeConfig config = new SmallRyeConfigBuilder()
+                .addDefaultInterceptors()
+                .addDiscoveredSecretKeysHandlers()
+                .withDefaultValue("my.secret", "${aes-gcm-nopadding::" + secret + "}")
+                .withDefaultValue("smallrye.config.secret-handler.aes-gcm-nopadding.encryption-key", encryptionKey)
+                .build();
+
+        assertEquals("12345678", config.getConfigValue("my.secret").getValue());
+    }
+
+    @Test
+    void keyPlain() throws Exception {
+        CliDriver.Result result = CliDriver.execute(tempDir, "config", "encryptor", "--secret=12345678", "-f=plain",
+                "--key=12345678");
+        Scanner scanner = new Scanner(result.getStdout());
+        String secret = scanner.nextLine().split(": ")[1];
+
+        SmallRyeConfig config = new SmallRyeConfigBuilder()
+                .addDefaultInterceptors()
+                .addDiscoveredSecretKeysHandlers()
+                .withDefaultValue("my.secret", "${aes-gcm-nopadding::" + secret + "}")
+                .withDefaultValue("smallrye.config.secret-handler.aes-gcm-nopadding.encryption-key", "12345678")
+                .build();
+
+        assertEquals("12345678", config.getConfigValue("my.secret").getValue());
+
+        config = new SmallRyeConfigBuilder()
+                .addDefaultInterceptors()
+                .addDiscoveredSecretKeysHandlers()
+                .withDefaultValue("my.secret", "${aes-gcm-nopadding::" + secret + "}")
+                .withDefaultValue("smallrye.config.secret-handler.aes-gcm-nopadding.encryption-key", "MTIzNDU2Nzg")
+                .withDefaultValue("smallrye.config.secret-handler.aes-gcm-nopadding.encryption-key-decode", "true")
+                .build();
+
+        assertEquals("12345678", config.getConfigValue("my.secret").getValue());
+    }
+
+    @Test
+    void keyBase64() throws Exception {
+        CliDriver.Result result = CliDriver.execute(tempDir, "config", "encryptor", "--secret=12345678", "--key=12345678");
+        Scanner scanner = new Scanner(result.getStdout());
+        String secret = scanner.nextLine().split(": ")[1];
+
+        SmallRyeConfig config = new SmallRyeConfigBuilder()
+                .addDefaultInterceptors()
+                .addDiscoveredSecretKeysHandlers()
+                .withDefaultValue("my.secret", "${aes-gcm-nopadding::" + secret + "}")
+                .withDefaultValue("smallrye.config.secret-handler.aes-gcm-nopadding.encryption-key", "MTIzNDU2Nzg")
+                .build();
+
+        assertEquals("12345678", config.getConfigValue("my.secret").getValue());
+    }
+}