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@ -11,15 +11,22 @@ import io.netty.handler.codec.http.HttpMethod |
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import io.netty.handler.codec.http.HttpRequest |
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import io.netty.handler.codec.http.HttpResponseStatus |
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import io.netty.handler.codec.http.HttpVersion |
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import io.netty.handler.codec.http.LastHttpContent |
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import io.netty.util.ReferenceCounted |
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import org.openrs2.buffer.copiedBuffer |
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import org.openrs2.buffer.use |
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public object Http { |
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public const val TIMEOUT_SECS: Long = 30 |
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public const val MAX_CONTENT_LENGTH: Int = 65536 |
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public const val TEXT_X_CROSS_DOMAIN_POLICY: String = "text/x-cross-domain-policy" |
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private const val BANNER = "OpenRS2" |
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private fun isKeepAlive(request: HttpRequest, version: HttpVersion): Boolean { |
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val connection = request.headers().get(HttpHeaderNames.CONNECTION) ?: return version.isKeepAliveDefault |
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return HttpHeaderValues.KEEP_ALIVE.contentEquals(connection) |
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} |
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private fun writeResponse( |
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ctx: ChannelHandlerContext, |
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request: HttpRequest, |
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@ -34,17 +41,32 @@ public object Http { |
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HttpVersion.HTTP_1_1 |
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} |
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val keepAlive = isKeepAlive(request, version) |
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val response = DefaultHttpResponse(version, status) |
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response.headers().add(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE) |
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response.headers().add(HttpHeaderNames.CONNECTION, if (keepAlive) { |
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HttpHeaderValues.KEEP_ALIVE |
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} else { |
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HttpHeaderValues.CLOSE |
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}) |
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response.headers().add(HttpHeaderNames.SERVER, BANNER) |
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response.headers().add(HttpHeaderNames.CONTENT_TYPE, contentType) |
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response.headers().add(HttpHeaderNames.CONTENT_LENGTH, contentLength) |
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if (request.method() == HttpMethod.HEAD) { |
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ctx.write(response).addListener(ChannelFutureListener.CLOSE) |
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ctx.write(response, ctx.voidPromise()) |
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if (request.method() != HttpMethod.HEAD) { |
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ctx.write(content.retain(), ctx.voidPromise()) |
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} |
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writeLastChunk(ctx, keepAlive) |
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} |
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private fun writeLastChunk(ctx: ChannelHandlerContext, keepAlive: Boolean) { |
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if (keepAlive) { |
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ctx.write(LastHttpContent.EMPTY_LAST_CONTENT, ctx.voidPromise()) |
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} else { |
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ctx.write(response, ctx.voidPromise()) |
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ctx.write(content.retain()).addListener(ChannelFutureListener.CLOSE) |
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ctx.write(LastHttpContent.EMPTY_LAST_CONTENT).addListener(ChannelFutureListener.CLOSE) |
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} |
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} |
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