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/* (C) 2025 Linnea Gräf - Licensed to everyone under the BSD 3 Clause License */
package moe.nea.prickly.server;
import com.google.common.base.Preconditions;
import io.javalin.Javalin;
import io.javalin.config.JavalinConfig;
import io.javalin.rendering.template.JavalinJte;
import java.util.Map;
import java.util.Objects;
import lombok.extern.slf4j.Slf4j;
import moe.nea.prickly.config.Config;
import moe.nea.prickly.model.AuthorizationRequest;
import moe.nea.prickly.util.OAuthUtil;
@Slf4j
public class Server {
Javalin javalin;
public Server() {
log.info("creating server instance");
javalin = Javalin.create(this::configure);
installRoutes();
}
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);
});
javalin.get(prefix + "/authorize", ctx -> {
var responseType = OAuthUtil.parseResponseType(ctx.queryParam("response_type"));
var redirectUri = OAuthUtil.verifyRedirectUrl(ctx.queryParam("redirect_uri"), application.REDIRECT_URI);
var state = ctx.queryParam("state");
var clientId = ctx.queryParam("client_id");
Preconditions.checkArgument(
Objects.equals(clientId, application.SLUG), "client_id does not match application slug");
var scope = OAuthUtil.parseScopes(ctx.queryParam("scope"));
ctx.render(
"authorize.jte",
Map.of(
"application",
application,
"authorizationRequest",
new AuthorizationRequest(responseType, redirectUri, state, scope)));
});
}
protected void configure(JavalinConfig config) {
log.info("configuring javalin");
config.fileRenderer(new JavalinJte());
}
public void start() {
var port = Config.PORT;
var host = Config.HOST;
log.info("starting on port http://{}:{}", host, port);
javalin.start(host, port);
}
}
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