Open-source multiplayer game server compatible with the RuneScape client https://www.openrs2.org/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
openrs2/game/src/main/kotlin/org/openrs2/game/net/crossdomain/CrossDomainChannelHandler.kt

58 lines
2.1 KiB

package org.openrs2.game.net.crossdomain
import io.netty.buffer.Unpooled
import io.netty.channel.ChannelHandler
import io.netty.channel.ChannelHandlerContext
import io.netty.channel.SimpleChannelInboundHandler
import io.netty.handler.codec.http.HttpHeaderNames
import io.netty.handler.codec.http.HttpHeaderValues
import io.netty.handler.codec.http.HttpMethod
import io.netty.handler.codec.http.HttpRequest
import io.netty.handler.codec.http.HttpResponseStatus
import io.netty.handler.timeout.IdleStateEvent
import org.openrs2.buffer.use
import org.openrs2.game.net.http.Http
@ChannelHandler.Sharable
public object CrossDomainChannelHandler : SimpleChannelInboundHandler<HttpRequest>(HttpRequest::class.java) {
private const val ENDPOINT = "/crossdomain.xml"
private val POLICY = """
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<site-control permitted-cross-domain-policies="master-only" />
<allow-access-from domain="*" />
</cross-domain-policy>
""".trimIndent().plus("\n").toByteArray(Charsets.UTF_8)
override fun handlerAdded(ctx: ChannelHandlerContext) {
ctx.read()
}
override fun channelRead0(ctx: ChannelHandlerContext, msg: HttpRequest) {
// forcibly close the connection as we only expect a single request
msg.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE)
if (msg.method() != HttpMethod.GET) {
Http.writeResponse(ctx, msg, HttpResponseStatus.METHOD_NOT_ALLOWED)
return
} else if (msg.uri() != ENDPOINT) {
Http.writeResponse(ctx, msg, HttpResponseStatus.NOT_FOUND)
return
}
Unpooled.wrappedBuffer(POLICY).use { buf ->
Http.writeResponse(ctx, msg, buf, Http.TEXT_X_CROSS_DOMAIN_POLICY)
}
}
override fun channelReadComplete(ctx: ChannelHandlerContext) {
ctx.flush()
}
override fun userEventTriggered(ctx: ChannelHandlerContext, evt: Any) {
if (evt is IdleStateEvent) {
ctx.close()
}
}
}