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100 lines
4.4 KiB
100 lines
4.4 KiB
// ServerSideIncludes.java
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// -----------------------------
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 26.06.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.http.server;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.HashMap;
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import net.yacy.cora.document.ASCII;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.kelondro.util.ByteBuffer;
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public class ServerSideIncludes {
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public static void writeSSI(final ByteBuffer in, final OutputStream out, final String authorization, final String requesthost, final RequestHeader requestHeader) throws IOException {
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writeSSI(in, 0, out, authorization, requesthost, requestHeader);
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}
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private static void writeSSI(final ByteBuffer in, int off, final OutputStream out, final String authorization, final String requesthost, final RequestHeader requestHeader) throws IOException {
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int p = in.indexOf(ASCII.getBytes("<!--#"), off);
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int q;
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while (p >= 0) {
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q = in.indexOf(ASCII.getBytes("-->"), p + 10);
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if (out instanceof ChunkedOutputStream) {
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((ChunkedOutputStream) out).write(in, off, p - off);
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} else {
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out.write(in.getBytes(off, p - off));
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}
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parseSSI(in, p, out, authorization, requesthost, requestHeader);
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off = q + 3;
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p = in.indexOf(ASCII.getBytes("<!--#"), off);
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}
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if (out instanceof ChunkedOutputStream) {
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((ChunkedOutputStream) out).write(in, off, in.length() - off);
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} else {
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out.write(in.getBytes(off, in.length() - off));
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}
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}
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private static void parseSSI(final ByteBuffer in, final int off, final OutputStream out, final String authorization, final String requesthost, final RequestHeader requestHeader) {
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if (in.startsWith(ASCII.getBytes("<!--#include virtual=\""), off)) {
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final int q = in.indexOf(ASCII.getBytes("\""), off + 22);
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if (q > 0) {
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final String path = in.toString(off + 22, q - off - 22);
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writeContent(path, out, authorization, requesthost, requestHeader);
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}
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}
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}
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public static void writeContent(String path, final OutputStream out, final String authorization, final String requesthost, final RequestHeader requestHeader) {
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// check if there are arguments in path string
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String args = "";
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final int argpos = path.indexOf('?');
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if (argpos > 0) {
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args = path.substring(argpos + 1);
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path = path.substring(0, argpos);
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}
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// set up virtual connection properties to call httpdFileHander.doGet()
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final HashMap<String, Object> conProp = new HashMap<String, Object>();
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final RequestHeader header = new RequestHeader(HTTPDemon.reverseMappingCache);
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conProp.put(HeaderFramework.CONNECTION_PROP_METHOD, HeaderFramework.METHOD_GET);
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conProp.put(HeaderFramework.CONNECTION_PROP_PATH, path);
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conProp.put(HeaderFramework.CONNECTION_PROP_ARGS, args);
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conProp.put(HeaderFramework.CONNECTION_PROP_HTTP_VER, HeaderFramework.HTTP_VERSION_0_9);
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conProp.put(HeaderFramework.CONNECTION_PROP_CLIENTIP, requesthost);
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header.put(RequestHeader.AUTHORIZATION, authorization);
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if (requestHeader.containsKey(RequestHeader.COOKIE)) header.put(RequestHeader.COOKIE, requestHeader.get(RequestHeader.COOKIE));
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header.put(RequestHeader.REFERER, requestHeader.get(RequestHeader.REFERER));
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HTTPDFileHandler.doGet(conProp, header, out);
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}
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}
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