channelRead0() — netty Function Reference

Architecture documentation for the channelRead0() function in OcspHttpHandler.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Buffer→ Allocators→ channelRead0() — netty Function Reference

Dependency Diagram

graph TD
  3a0bac3d_54dc_6e79_a5a2_b982cfbdf22e["channelRead0()"]
  cba3eeb4_dd5c_095e_3acf_4cabb8ff9203["OcspHttpHandler"]
  3a0bac3d_54dc_6e79_a5a2_b982cfbdf22e -->|defined in| cba3eeb4_dd5c_095e_3acf_4cabb8ff9203
  style 3a0bac3d_54dc_6e79_a5a2_b982cfbdf22e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler-ssl-ocsp/src/main/java/io/netty/handler/ssl/ocsp/OcspHttpHandler.java lines 50–80

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse response) throws Exception {
        try {
            // If DEBUG is enabled then log the response
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Received OCSP HTTP Response: {}", response);
            }

            // Response headers must contain 'Content-Type'
            String contentType = response.headers().get(HttpHeaderNames.CONTENT_TYPE);
            if (contentType == null) {
                throw new OCSPException("HTTP Response does not contain 'CONTENT-TYPE' header");
            }

            // Response headers must contain 'application/ocsp-response'
            if (!contentType.equalsIgnoreCase(OCSP_RESPONSE_TYPE)) {
                throw new OCSPException("Response Content-Type was: " + contentType +
                        "; Expected: " + OCSP_RESPONSE_TYPE);
            }

            // Status must be OK for successful lookup
            if (response.status() != OK) {
                throw new IllegalArgumentException("HTTP Response Code was: " + response.status().code() +
                        "; Expected: 200");
            }

            responseFuture.trySuccess(new OCSPResp(ByteBufUtil.getBytes(response.content())));
        } finally {
            ctx.channel().close();
        }
    }