feat: application registration

6 files changed, 87 insertions, 6 deletions

diff --git a/src/main/java/moe/nea/prickly/auth/Authorizations.java b/src/main/java/moe/nea/prickly/auth/Authorizations.java
new file mode 100644
index 0000000..8b720a5
--- /dev/null
+++ b/src/main/java/moe/nea/prickly/auth/Authorizations.java
@@ -0,0 +1,9 @@
+/* (C) 2025 Linnea Gräf - Licensed to everyone under the BSD 3 Clause License */
+package moe.nea.prickly.auth;
+
+import com.auth0.jwt.algorithms.Algorithm;
+import moe.nea.prickly.config.Config;
+
+public class Authorizations {
+	public static final Algorithm JWT_ALGORITHM = Algorithm.HMAC256(Config.SECRET);
+}
diff --git a/src/main/java/moe/nea/prickly/config/Config.java b/src/main/java/moe/nea/prickly/config/Config.java
index 4f886b1..624b1e3 100644
--- a/src/main/java/moe/nea/prickly/config/Config.java
+++ b/src/main/java/moe/nea/prickly/config/Config.java
@@ -1,9 +1,37 @@
 /* (C) 2025 Linnea Gräf - Licensed to everyone under the BSD 3 Clause License */
 package moe.nea.prickly.config;
 
+import java.util.List;
+import java.util.stream.Collectors;
+import lombok.ToString;
+
 public class Config {
 	private static final ConfigPath ROOT = new ConfigPath("PRICKLY");
 	private static final ConfigPath NET = ROOT.join("NET");
+	private static final ConfigPath AUTH = ROOT.join("AUTH");
 	public static final int PORT = NET.join("PORT").requireInt();
+	public static final String COOKIE = AUTH.join("COOKIE").getString().orElse("AUTH_COOKIE");
+	public static final String SECRET = AUTH.join("SECRET").requireString();
 	public static final String HOST = NET.join("HOST").getString().orElse("0");
+	public static final List<Application> APPLICATIONS =
+			ROOT.join("APPLICATION").findChildren().map(Application::new).collect(Collectors.toList());
+
+	@ToString
+	public static class Application extends ConfigStruct {
+		Application(ConfigPath path) {
+			super(path);
+		}
+
+		public final String SLUG = path.lastPart();
+		public final String NAME = path.join("NAME").requireString();
+		public final String HOMEPAGE = path.join("HOMEPAGE").requireString();
+	}
+
+	static class ConfigStruct {
+		protected final ConfigPath path;
+
+		protected ConfigStruct(ConfigPath path) {
+			this.path = path;
+		}
+	}
 }
diff --git a/src/main/java/moe/nea/prickly/config/ConfigCompat.java b/src/main/java/moe/nea/prickly/config/ConfigCompat.java
index d574759..6c94947 100644
--- a/src/main/java/moe/nea/prickly/config/ConfigCompat.java
+++ b/src/main/java/moe/nea/prickly/config/ConfigCompat.java
@@ -5,8 +5,8 @@ import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Map;
-import java.util.Properties;
+import java.util.*;
+import java.util.stream.Collectors;
 import lombok.extern.slf4j.Slf4j;
 import org.jspecify.annotations.Nullable;
 
@@ -30,11 +30,32 @@ public class ConfigCompat {
 		return (Map) properties;
 	}
 
-	public static Map<String, String> DOTENV_FALLBACK = loadDotenv();
+	public static Map<String, String> DOTENV_FALLBACK = Collections.unmodifiableMap(loadDotenv());
+	public static NavigableMap<String, String> ENV;
+
+	static {
+		var env = new TreeMap<String, String>();
+		env.putAll(DOTENV_FALLBACK);
+		env.putAll(System.getenv());
+		ENV = Collections.unmodifiableNavigableMap(env);
+	}
 
 	public static @Nullable String getEnv(String key) {
-		var value = System.getenv(key);
-		if (value != null) return value;
-		return DOTENV_FALLBACK.get(key);
+		return ENV.get(key);
+	}
+
+	public static Map<String, String> getAllEnvStartingWith(String prefix) {
+		return ENV.subMap(prefix + "_", prefix + (char) ((int) '_' + 1));
+	}
+
+	public static Set<String> getAllDirectChildren(String prefix) {
+		int start = prefix.length() + 1;
+		return getAllEnvStartingWith(prefix).keySet().stream()
+				.map(it -> {
+					int nextUnderscore = it.indexOf('_', start);
+					if (nextUnderscore < 0) return it.substring(start);
+					else return it.substring(start, nextUnderscore);
+				})
+				.collect(Collectors.toSet());
 	}
 }
diff --git a/src/main/java/moe/nea/prickly/config/ConfigPath.java b/src/main/java/moe/nea/prickly/config/ConfigPath.java
index e5c8077..8c85a08 100644
--- a/src/main/java/moe/nea/prickly/config/ConfigPath.java
+++ b/src/main/java/moe/nea/prickly/config/ConfigPath.java
@@ -3,6 +3,7 @@ package moe.nea.prickly.config;
 
 import java.util.Optional;
 import java.util.function.Supplier;
+import java.util.stream.Stream;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
@@ -15,6 +16,10 @@ public record ConfigPath(String path) {
 		return Optional.ofNullable(ConfigCompat.getEnv(path));
 	}
 
+	public Stream<ConfigPath> findChildren() {
+		return ConfigCompat.getAllDirectChildren(path).stream().map(this::join);
+	}
+
 	public Optional<Integer> getInt() {
 		var str = getString();
 		if (str.isPresent())
@@ -50,4 +55,9 @@ public record ConfigPath(String path) {
 	public int requireInt() {
 		return getInt().orElseThrow(requireMessage());
 	}
+
+	public String lastPart() {
+		int index = path.lastIndexOf('_');
+		return path.substring(index + 1);
+	}
 }
diff --git a/src/main/java/moe/nea/prickly/server/Server.java b/src/main/java/moe/nea/prickly/server/Server.java
index 9e87128..2ff7bc9 100644
--- a/src/main/java/moe/nea/prickly/server/Server.java
+++ b/src/main/java/moe/nea/prickly/server/Server.java
@@ -18,6 +18,17 @@ public class Server {
 
 	protected void installRoutes() {
 		log.info("installing routes");
+		for (Config.Application application : Config.APPLICATIONS) {
+			installApplication(application);
+		}
+	}
+
+	protected void installApplication(Config.Application application) {
+		log.debug("registering application {}", application);
+		var prefix = "/app/" + application.SLUG;
+		javalin.get(prefix + "/", ctx -> {
+			ctx.redirect(application.HOMEPAGE);
+		});
 	}
 
 	protected void configure(JavalinConfig config) {
diff --git a/src/main/resources/simplelogger.properties b/src/main/resources/simplelogger.properties
new file mode 100644
index 0000000..653b07c
--- /dev/null
+++ b/src/main/resources/simplelogger.properties
@@ -0,0 +1,2 @@
+org.slf4j.simpleLogger.defaultLogLevel=info
+org.slf4j.simpleLogger.log.moe.nea.prickly=debug
\ No newline at end of file