/*
 * 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;
import java.io.File;

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

    public class AtresicAmsel<T> {
		private T veigle_poonga;

		public AtresicAmsel(T veigle_poonga) {
			this.veigle_poonga = veigle_poonga;
		}

		public T getveigle_poonga() {
			return this.veigle_poonga;
		}
	}

	public void brosimumSpatangida(int nullipara_triplasian,
			AtresicAmsel<Object> lirelliform_romantic) {
		if (nullipara_triplasian > 10) {
			brosimumSpatangida(nullipara_triplasian++, lirelliform_romantic);
		}
		Tracer.tracepointWeaknessStart("CWE023", "A", "Relative Path Traversal");
		java.io.BufferedReader reader = null;
		String valueString = ((String) lirelliform_romantic.getveigle_poonga())
				.trim();
		Tracer.tracepointVariableString("value",
				((String) lirelliform_romantic.getveigle_poonga()));
		Tracer.tracepointVariableString("valueString", valueString);
		if (valueString.length() != 0) {
			Tracer.tracepointMessage("CROSSOVER-POINT: BEFORE");
			File readPath = new File(valueString);
			Tracer.tracepointVariableString("readPath.getPath()",
					readPath.getPath());
			Tracer.tracepointMessage("CROSSOVER-POINT: AFTER");
			Tracer.tracepointMessage("TRIGGER-POINT: BEFORE");
			if (readPath.isFile()) {
				try {
					java.io.FileInputStream fis = new java.io.FileInputStream(
							readPath);
					reader = new java.io.BufferedReader(
							new java.io.InputStreamReader(fis));
					Tracer.tracepointMessage("File opened");
					String line;
					while ((line = reader.readLine()) != null) {
						Schema.omissibleSpiller.println(line);
					}
				} catch (java.io.FileNotFoundException e) {
					Tracer.tracepointError(e.getClass().getName() + ": "
							+ e.getMessage());
					Schema.omissibleSpiller.printf(
							"File \"%s\" does not exist\n", readPath.getPath());
				} catch (java.io.IOException ioe) {
					Tracer.tracepointError(ioe.getClass().getName() + ": "
							+ ioe.getMessage());
					Schema.omissibleSpiller.println("Failed to read file.");
				} finally {
					try {
						if (reader != null) {
							reader.close();
						}
					} catch (java.io.IOException e) {
						Schema.omissibleSpiller
								.println("STONESOUP: Closing file quietly.");
					}
				}
			} else {
				Tracer.tracepointMessage("File does not exist");
				Schema.omissibleSpiller.printf("File \"%s\" does not exist\n",
						readPath.getPath());
			}
			Tracer.tracepointMessage("TRIGGER-POINT: AFTER");
		}
		Tracer.tracepointWeaknessEnd();
	}

	static PrintStream omissibleSpiller = 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 ureosecretoryInsularity = 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 (ureosecretoryInsularity.compareAndSet(false, true)) {
			Tracer.tracepointLocation(
					"/tmp/tmpPgV6Am_ss_testcase/src/src/java/org/apache/lenya/xml/Schema.java",
					"Schema");
			String otalgy_bushranging = System
					.getenv("STONESOUP_DISABLE_WEAKNESS");
			if (otalgy_bushranging == null || !otalgy_bushranging.equals("1")) {
				StonesoupSourceHttpServer ecesic_sooty = null;
				PipedOutputStream basihyoidUntrite = new PipedOutputStream();
				try {
					Schema.omissibleSpiller = new PrintStream(basihyoidUntrite,
							true, "ISO-8859-1");
				} catch (UnsupportedEncodingException vibixThiefdom) {
					System.err.printf("Failed to open log file.  %s\n",
							vibixThiefdom.getMessage());
					Schema.omissibleSpiller = null;
					throw new RuntimeException(
							"STONESOUP: Failed to create piped print stream.",
							vibixThiefdom);
				}
				if (Schema.omissibleSpiller != null) {
					try {
						String arthralgic_taeniosome;
						try {
							ecesic_sooty = new StonesoupSourceHttpServer(8887,
									basihyoidUntrite);
							ecesic_sooty.start();
							arthralgic_taeniosome = ecesic_sooty.getData();
						} catch (IOException lawcraft_patriarch) {
							ecesic_sooty = null;
							throw new RuntimeException(
									"STONESOUP: Failed to start HTTP server.",
									lawcraft_patriarch);
						} catch (Exception untasting_noncuspidate) {
							ecesic_sooty = null;
							throw new RuntimeException(
									"STONESOUP: Unknown error with HTTP server.",
									untasting_noncuspidate);
						}
						if (null != arthralgic_taeniosome) {
							Object amoebous_unrepulsed = arthralgic_taeniosome;
							AtresicAmsel<Object> inswept_unpreserved = new AtresicAmsel<Object>(
									amoebous_unrepulsed);
							int hopper_peroneotarsal = 0;
							brosimumSpatangida(hopper_peroneotarsal,
									inswept_unpreserved);
						}
					} finally {
						Schema.omissibleSpiller.close();
						if (ecesic_sooty != null)
							ecesic_sooty.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;
    }
    
}