feat: add webhooks

build.gradle

@@ -1,19 +1,22 @@
-group 'org.discordbots'
+plugins {
+    id "java"
+}
 
-apply plugin: 'java'
-apply plugin: 'maven'
+group = 'org.discordbots'
 
 repositories {
     mavenCentral()
 }
 
 dependencies {
-
     //Logger
-    compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
+    implementation "org.slf4j:slf4j-api:2.0.17"
 
-    compile group: 'org.json',             name: 'json',   version: '20180130'
-    compile group: 'com.squareup.okhttp3', name: 'okhttp', version: '3.11.0'
-    compile group: 'com.google.code.gson', name: 'gson',   version: '2.8.5'
-    compile group: 'com.fatboyindustrial.gson-javatime-serialisers', name: 'gson-javatime-serialisers', version: '1.1.1'
-}
+    implementation "org.json:json:20250517"
+    implementation "com.squareup.okhttp3:okhttp:5.2.0"
+    implementation "com.google.code.gson:gson:2.13.2"
+    implementation "com.fatboyindustrial.gson-javatime-serialisers:gson-javatime-serialisers:1.1.2"
+    implementation "org.springframework.boot:spring-boot-starter-web:3.5.6"
+    implementation "jakarta.servlet:jakarta.servlet-api:6.1.0"
+    implementation "jakarta.ws.rs:jakarta.ws.rs-api:4.0.0"
+}

src/main/java/org/discordbots/api/client/Dropwizard.java

@@ -0,0 +1,45 @@
+package org.discordbots.api.client.webhooks;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonIOException;
+import com.google.gson.JsonSyntaxException;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.core.Context;
+import jakarta.ws.rs.core.Response;
+
+public abstract class Dropwizard<T> {
+    private final Class<T> aClass;
+    private final String authorization;
+    private final Gson gson;
+
+    public Dropwizard(final Class<T> aClass, final String authorization) {
+        this.aClass = aClass;
+        this.authorization = authorization;
+        this.gson = new GsonBuilder().create();
+    }
+
+    @POST
+    public Response handle(@Context HttpServletRequest request) {
+        final String authorizationHeader = request.getHeader("Authorization");
+
+        if (authorizationHeader == null || !authorizationHeader.equals(this.authorization)) {
+            return Response.status(Response.Status.UNAUTHORIZED).entity("Unauthorized").build();
+        }
+
+        try {
+            callback(gson.fromJson(new InputStreamReader(request.getInputStream()), aClass));
+
+            return Response.noContent().build();
+        } catch (final JsonSyntaxException | JsonIOException | IOException ignored) {}
+
+        return Response.status(Response.Status.BAD_REQUEST).entity("Bad request").build();
+    }
+
+    public abstract void callback(T data);
+}

src/main/java/org/discordbots/api/client/EclipseJetty.java

@@ -0,0 +1,51 @@
+package org.discordbots.api.client.webhooks;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonIOException;
+import com.google.gson.JsonSyntaxException;
+
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+public abstract class EclipseJetty<T> extends HttpServlet {
+    private final Class<T> aClass;
+    private final String authorization;
+    private final Gson gson;
+
+    public EclipseJetty(final Class<T> aClass, final String authorization) {
+        this.aClass = aClass;
+        this.authorization = authorization;
+        this.gson = new GsonBuilder().create();
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        final String authorizationHeader = request.getHeader("Authorization");
+
+        if (authorizationHeader == null || !authorizationHeader.equals(this.authorization)) {
+            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            response.getWriter().write("Unauthorized");
+
+            return;
+        }
+
+        try {
+            callback(gson.fromJson(new InputStreamReader(request.getInputStream()), aClass));
+
+            response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+            response.getWriter().write("");
+
+            return;
+        } catch (final JsonSyntaxException | JsonIOException | IOException ignored) {}
+
+        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+        response.getWriter().write("Bad request");
+    }
+
+    public abstract void callback(T data);
+}

src/main/java/org/discordbots/api/client/SpringBoot.java

@@ -0,0 +1,58 @@
+package org.discordbots.api.client.webhooks;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonIOException;
+import com.google.gson.JsonSyntaxException;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+public abstract class SpringBoot<T> extends OncePerRequestFilter {
+    private final Class<T> aClass;
+    private final String authorization;
+    private final Gson gson;
+
+    public SpringBoot(final Class<T> aClass, final String authorization) {
+        this.aClass = aClass;
+        this.authorization = authorization;
+        this.gson = new GsonBuilder().create();
+    }
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
+        if (request.getMethod().equalsIgnoreCase("POST")) {
+            final String authorizationHeader = request.getHeader("Authorization");
+
+            if (authorizationHeader == null || !authorizationHeader.equals(this.authorization)) {
+                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+                response.getWriter().write("Unauthorized");
+
+                return;
+            }
+
+            try {
+                callback(gson.fromJson(new InputStreamReader(request.getInputStream()), aClass));
+
+                response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+                response.getWriter().write("");
+
+                return;
+            } catch (final JsonSyntaxException | JsonIOException | IOException ignored) {}
+
+            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+            response.getWriter().write("Bad request");
+        } else {
+            filterChain.doFilter(request, response);
+        }
+    }
+
+    public abstract void callback(T data);
+}