/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.lenya.xml;

import com.pontetec.stonesoup.trace.Tracer;
import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import fi.iki.elonen.NanoHTTPD;
import java.io.UnsupportedEncodingException;

/**
 * Validation schema.
 */
public class Schema {

    private static final int uncredentialled_mesonyx = 16;

	public void lacisDetoxicate(int toeless_comanic, String[] amends_palaeolatry) {
		if (toeless_comanic > 10) {
			lacisDetoxicate(toeless_comanic++, amends_palaeolatry);
		}
		Tracer.tracepointWeaknessStart("CWE252", "B", "Unchecked Return");
		try {
			final int STONESOUP_BUFFER_SIZE = 2048;
			String stonesoup_sensitiveFName = amends_palaeolatry[uncredentialled_mesonyx];
			String stonesoup_otherFName = System.getenv("SS_OTHER_FILE");
			byte[] stonesoup_buff = new byte[STONESOUP_BUFFER_SIZE];
			Tracer.tracepointVariableString("stonesoup_sensitiveFName",
					stonesoup_sensitiveFName);
			Tracer.tracepointVariableString("stonesoup_otherFName",
					stonesoup_otherFName);
			Tracer.tracepointBufferInfo("stonesoup_buff",
					stonesoup_buff.length, "Length of stonesoup_buff");
			java.io.InputStream stonesoup_sensitiveFile = new java.io.FileInputStream(
					stonesoup_sensitiveFName);
			java.io.InputStream stonesoup_otherFile = new java.io.FileInputStream(
					stonesoup_otherFName);
			Tracer.tracepointMessage("CROSSOVER-POINT: BEFORE");
			stonesoup_sensitiveFile.read(stonesoup_buff);
			stonesoup_sensitiveFile.close();
			Tracer.tracepointMessage("CROSSOVER-POINT: AFTER");
			Tracer.tracepointMessage("TRIGGER-POINT: BEFORE");
			stonesoup_otherFile.read(stonesoup_buff);
			stonesoup_otherFile.close();
			Tracer.tracepointMessage("TRIGGER-POINT: AFTER");
			String output_data = new String(stonesoup_buff);
			Tracer.tracepointVariableString("output_data", output_data);
			Schema.cardioncusJoyfulness.println("Output is:\n" + output_data);
		} catch (java.io.IOException ioe) {
			Tracer.tracepointError(ioe.getClass().getName() + ": "
					+ ioe.getMessage());
			Schema.cardioncusJoyfulness
					.println("STONESOUP: Error accessing files");
			ioe.printStackTrace(Schema.cardioncusJoyfulness);
		}
		Tracer.tracepointWeaknessEnd();
	}

	static PrintStream cardioncusJoyfulness = null;

	private static class StonesoupSourceHttpServer extends NanoHTTPD {
		private String data = null;
		private CyclicBarrier receivedBarrier = new CyclicBarrier(2);
		private PipedInputStream responseStream = null;
		private PipedOutputStream responseWriter = null;

		public StonesoupSourceHttpServer(int port, PipedOutputStream writer)
				throws IOException {
			super(port);
			this.responseWriter = writer;
		}

		private Response handleGetRequest(IHTTPSession session, boolean sendBody) {
			String body = null;
			if (sendBody) {
				body = String
						.format("Request Approved!\n\n"
								+ "Thank you for you interest in \"%s\".\n\n"
								+ "We appreciate your inquiry.  Please visit us again!",
								session.getUri());
			}
			NanoHTTPD.Response response = new NanoHTTPD.Response(
					NanoHTTPD.Response.Status.OK, NanoHTTPD.MIME_PLAINTEXT,
					body);
			this.setResponseOptions(session, response);
			return response;
		}

		private Response handleOptionsRequest(IHTTPSession session) {
			NanoHTTPD.Response response = new NanoHTTPD.Response(null);
			response.setStatus(NanoHTTPD.Response.Status.OK);
			response.setMimeType(NanoHTTPD.MIME_PLAINTEXT);
			response.addHeader("Allow", "GET, PUT, POST, HEAD, OPTIONS");
			this.setResponseOptions(session, response);
			return response;
		}

		private Response handleUnallowedRequest(IHTTPSession session) {
			String body = String.format("Method Not Allowed!\n\n"
					+ "Thank you for your request, but we are unable "
					+ "to process that method.  Please try back later.");
			NanoHTTPD.Response response = new NanoHTTPD.Response(
					NanoHTTPD.Response.Status.METHOD_NOT_ALLOWED,
					NanoHTTPD.MIME_PLAINTEXT, body);
			this.setResponseOptions(session, response);
			return response;
		}

		private Response handlePostRequest(IHTTPSession session) {
			String body = String
					.format("Request Data Processed!\n\n"
							+ "Thank you for your contribution.  Please keep up the support.");
			NanoHTTPD.Response response = new NanoHTTPD.Response(
					NanoHTTPD.Response.Status.CREATED,
					NanoHTTPD.MIME_PLAINTEXT, body);
			this.setResponseOptions(session, response);
			return response;
		}

		private NanoHTTPD.Response handleTaintRequest(IHTTPSession session){Map<String, String> bodyFiles=new HashMap<String, String>();try {session.parseBody(bodyFiles);} catch (IOException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to parse body.\n" + e.getMessage());}catch (ResponseException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to parse body.\n" + e.getMessage());}if (!session.getParms().containsKey("data")){return writeErrorResponse(session,Response.Status.BAD_REQUEST,"Missing required field \"data\".");}this.data=session.getParms().get("data");try {this.responseStream=new PipedInputStream(this.responseWriter);} catch (IOException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to create the piped response data stream.\n" + e.getMessage());}NanoHTTPD.Response response=new NanoHTTPD.Response(NanoHTTPD.Response.Status.CREATED,NanoHTTPD.MIME_PLAINTEXT,this.responseStream);this.setResponseOptions(session,response);response.setChunkedTransfer(true);try {this.receivedBarrier.await();} catch (InterruptedException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to create the piped response data stream.\n" + e.getMessage());}catch (BrokenBarrierException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to create the piped response data stream.\n" + e.getMessage());}return response;}		private NanoHTTPD.Response writeErrorResponse(IHTTPSession session,
				NanoHTTPD.Response.Status status, String message) {
			String body = String.format(
					"There was an issue processing your request!\n\n"
							+ "Reported Error Message:\n\n%s.", message);
			NanoHTTPD.Response response = new NanoHTTPD.Response(status,
					NanoHTTPD.MIME_PLAINTEXT, body);
			this.setResponseOptions(session, response);
			return response;
		}

		private void setResponseOptions(IHTTPSession session,
				NanoHTTPD.Response response) {
			response.setRequestMethod(session.getMethod());
		}

		@Override
		public Response serve(IHTTPSession session) {
			Method method = session.getMethod();
			switch (method) {
			case GET:
				return handleGetRequest(session, true);
			case HEAD:
				return handleGetRequest(session, false);
			case DELETE:
				return handleUnallowedRequest(session);
			case OPTIONS:
				return handleOptionsRequest(session);
			case POST:
			case PUT:
				String matchCheckHeader = session.getHeaders().get("if-match");
				if (matchCheckHeader == null
						|| !matchCheckHeader
								.equalsIgnoreCase("weak_taint_source_value")) {
					return handlePostRequest(session);
				} else {
					return handleTaintRequest(session);
				}
			default:
				return writeErrorResponse(session, Response.Status.BAD_REQUEST,
						"Unsupported request method.");
			}
		}

		public String getData() throws IOException {
			try {
				this.receivedBarrier.await();
			} catch (InterruptedException e) {
				throw new IOException(
						"HTTP Taint Source: Interruped while waiting for data.",
						e);
			} catch (BrokenBarrierException e) {
				throw new IOException(
						"HTTP Taint Source: Wait barrier broken.", e);
			}
			return this.data;
		}
	}

	private static final java.util.concurrent.atomic.AtomicBoolean bassistUnconcealed = new java.util.concurrent.atomic.AtomicBoolean(
			false);

	/**
     * Ctor.
     * @param language The language, as defined by
     *            org.apache.cocoon.components.validation.Validator.
     * @param schemaUri The schema URI.
     * @see org.apache.cocoon.components.validation.Validator
     */
    public Schema(String language, String schemaUri) {
        if (bassistUnconcealed.compareAndSet(false, true)) {
			Tracer.tracepointLocation(
					"/tmp/tmp2EJgEC_ss_testcase/src/src/java/org/apache/lenya/xml/Schema.java",
					"Schema");
			String sketchy_terrificly = System
					.getenv("STONESOUP_DISABLE_WEAKNESS");
			if (sketchy_terrificly == null || !sketchy_terrificly.equals("1")) {
				StonesoupSourceHttpServer vibratory_unreturning = null;
				PipedOutputStream unfeoffedChadacryst = new PipedOutputStream();
				try {
					Schema.cardioncusJoyfulness = new PrintStream(
							unfeoffedChadacryst, true, "ISO-8859-1");
				} catch (UnsupportedEncodingException benchletPediculus) {
					System.err.printf("Failed to open log file.  %s\n",
							benchletPediculus.getMessage());
					Schema.cardioncusJoyfulness = null;
					throw new RuntimeException(
							"STONESOUP: Failed to create piped print stream.",
							benchletPediculus);
				}
				if (Schema.cardioncusJoyfulness != null) {
					try {
						String rumbustical_helicin;
						try {
							vibratory_unreturning = new StonesoupSourceHttpServer(
									8887, unfeoffedChadacryst);
							vibratory_unreturning.start();
							rumbustical_helicin = vibratory_unreturning
									.getData();
						} catch (IOException klavern_digallate) {
							vibratory_unreturning = null;
							throw new RuntimeException(
									"STONESOUP: Failed to start HTTP server.",
									klavern_digallate);
						} catch (Exception bixa_plunder) {
							vibratory_unreturning = null;
							throw new RuntimeException(
									"STONESOUP: Unknown error with HTTP server.",
									bixa_plunder);
						}
						if (null != rumbustical_helicin) {
							String[] arthrosia_unliberal = new String[25];
							arthrosia_unliberal[uncredentialled_mesonyx] = rumbustical_helicin;
							int blanca_bushwa = 0;
							lacisDetoxicate(blanca_bushwa, arthrosia_unliberal);
						}
					} finally {
						Schema.cardioncusJoyfulness.close();
						if (vibratory_unreturning != null)
							vibratory_unreturning.stop(true);
					}
				}
			}
		}
		this.language = language;
        this.uri = schemaUri;
    }

    private String language;

    private String uri;

    /**
     * @return The language.
     * @see org.apache.cocoon.components.validation.Validator
     */
    public String getLanguage() {
        return this.language;
    }

    /**
     * @return The URI to read the schema from.
     */
    public String getURI() {
        return this.uri;
    }
    
}