/**
* CrawlStartScanner_p
* Copyright 2010 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
* First released 12.12.2010 at http://yacy.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
import java.io.IOException;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.regex.Pattern;
import net.yacy.cora.document.id.DigestURL;
import net.yacy.cora.federate.solr.connector.AbstractSolrConnector;
import net.yacy.cora.order.Base64Order;
import net.yacy.cora.protocol.Domains;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.protocol.Scanner;
import net.yacy.cora.protocol.Scanner.Access;
import net.yacy.cora.sorting.ReversibleScoreMap;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.data.WorkTables;
import net.yacy.search.Switchboard;
import net.yacy.search.SwitchboardConstants;
import net.yacy.search.query.SearchEventCache;
import net.yacy.search.schema.CollectionSchema;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
public class CrawlStartScanner_p
{
private final static int CONCURRENT_RUNNER = 200;
public static serverObjects respond(
@SuppressWarnings("unused") final RequestHeader header,
final serverObjects post,
final serverSwitch env) {
final serverObjects prop = new serverObjects();
final Switchboard sb = (Switchboard) env;
// clean up all search events
SearchEventCache.cleanupEvents(true);
prop.put("noserverdetected", 0);
prop.put("hosts", "");
prop.put("intranet.checked", sb.isIntranetMode() ? 1 : 0);
int timeout = sb.isIntranetMode() ? 200 : 3000;
timeout = post == null ? timeout : post.getInt("timeout", timeout);
// make a scanhosts entry
String hostt = post == null ? "" : post.get("scanhosts", "").trim();
boolean listall = false;
if (hostt.equals("*") || (post != null && "all".equals(post.get("source", "")))) {
hostt = "";
listall = true;
post.put("source", "hosts");
}
String[] hosts0 = hostt.indexOf('\n') > 0 || hostt.indexOf('\r') > 0 ? hostt.split("[\\r\\n]+") : hostt.split(Pattern.quote(","));
Set<String> hostSet = new LinkedHashSet<String>();
for (String s: hosts0) if (s != null && s.length() > 0) hostSet.add(s);
final Set<InetAddress> ips = Domains.myIntranetIPs();
prop.put("intranethosts", ips.toString());
prop.put("intranetHint", sb.isIntranetMode() ? 0 : 1);
if ( hostSet.isEmpty() ) {
InetAddress ip;
if ( sb.isIntranetMode() ) {
if ( !ips.isEmpty() ) {
ip = ips.iterator().next();
} else {
ip = Domains.dnsResolve("192.168.0.1");
}
} else {
ip = Domains.myPublicLocalIP();
if ( Domains.isThisHostIP(ip) ) {
ip = Domains.dnsResolve(sb.peers.mySeed().getIP());
}
}
if ( ip != null ) {
hostSet.add(ip.getHostAddress());
}
}
String hos = ""; for (String s: hostSet) hos += s + "\n";
prop.put("scanhosts", hos.trim());
if (listall) {
// get a list of all hosts in the index
ReversibleScoreMap<String> hostscore = null;
try {
hostscore = sb.index.fulltext().getDefaultConnector().getFacets(AbstractSolrConnector.CATCHALL_QUERY, 1000, CollectionSchema.host_s.getSolrFieldName()).get(CollectionSchema.host_s.getSolrFieldName());
} catch (final IOException e) {}
if (hostscore != null) {
for (String s: hostscore) hostSet.add(s);
}
}
// parse post requests
if ( post != null ) {
int repeat_time = 0;
String repeat_unit = "seldays";
// check scheduler
if ( post.get("rescan", "").equals("scheduler") ) {
repeat_time = post.getInt("repeat_time", -1);
repeat_unit = post.get("repeat_unit", "selminutes"); // selminutes, selhours, seldays
}
final int subnet = post.getInt("subnet", 24);
// scan a range of ips
if (post.containsKey("scan")) {
// start a scanner
final Scanner scanner = new Scanner(CONCURRENT_RUNNER, timeout);
boolean scanhttp = "on".equals(post.get("scanhttp", ""));
boolean scanhttps = "on".equals(post.get("scanhttps", ""));
boolean scanftp = "on".equals(post.get("scanftp", ""));
boolean scansmb = "on".equals(post.get("scansmb", ""));
// select host base to scan
if ("hosts".equals(post.get("source", ""))) {
for (String host: hostSet) {
if (host.startsWith("http://")) host = host.substring(7);
if (host.startsWith("https://")) host = host.substring(8);
if (host.startsWith("ftp://")) host = host.substring(6);
if (host.startsWith("smb://")) host = host.substring(6);
final int p = host.indexOf('/', 0);
if (p >= 0) host = host.substring(0, p);
InetAddress ip;
Collection<InetAddress> scanbase = new ArrayList<InetAddress>();
if (host.length() > 0) {
ip = Domains.dnsResolve(host); if (ip != null) scanbase.add(ip);
if (host.startsWith("ftp.") || host.startsWith("www.") ||
host.startsWith("blog.") || host.startsWith("wiki.") ||
host.startsWith("forum.") || host.startsWith("forums.") ||
host.startsWith("events.") || host.startsWith("bugs.")) {
host = host.substring(host.indexOf('.') + 1);
if (!hostSet.contains(host)) {
ip = Domains.dnsResolve(host);
if (ip != null) scanbase.add(ip);
}
}
if (scanftp && !hostSet.contains("ftp." + host)) {
ip = Domains.dnsResolve("ftp." + host);
if (ip != null) scanbase.add(ip);
}
if ((scanhttp || scanhttps) && !hostSet.contains("www." + host)) {
ip = Domains.dnsResolve("www." + host);
if (ip != null) scanbase.add(ip);
}
}
scanner.addProtocols(Scanner.genlist(scanbase, subnet), scanhttp, scanhttps, scanftp, scansmb);
}
}
if ("intranet".equals(post.get("source", ""))) {
scanner.addProtocols(Scanner.genlist(Domains.myIntranetIPs(), subnet), scanhttp, scanhttps, scanftp, scansmb);
}
scanner.terminate();
if ("on".equals(post.get("accumulatescancache", "")) && !"scheduler".equals(post.get("rescan", ""))) {
Scanner.scancacheExtend(scanner);
} else {
Scanner.scancacheReplace(scanner);
}
}
// check crawl request
if ( post.containsKey("crawl") ) {
// make a pk/url mapping
final Iterator<Map.Entry<Scanner.Service, Scanner.Access>> se = Scanner.scancacheEntries();
final Map<byte[], DigestURL> pkmap = new TreeMap<byte[], DigestURL>(Base64Order.enhancedCoder);
while (se.hasNext()) {
final Scanner.Service u = se.next().getKey();
DigestURL uu;
try {
uu = u.url();
pkmap.put(uu.hash(), uu);
} catch (final MalformedURLException e ) {
ConcurrentLog.logException(e);
}
}
// search for crawl start requests in this mapping
for ( final Map.Entry<String, String> entry : post.entrySet() ) {
if ( entry.getValue().startsWith("mark_") ) {
final byte[] pk = entry.getValue().substring(5).getBytes();
final DigestURL url = pkmap.get(pk);
if ( url != null ) {
String path = "/Crawler_p.html?createBookmark=off&xsstopw=off&crawlingDomMaxPages=10000&intention=&range=domain&indexMedia=on&recrawl=nodoubles&xdstopw=off&storeHTCache=on&sitemapURL=&repeat_time=7&crawlingQ=on&cachePolicy=iffresh&indexText=on&crawlingMode=url&mustnotmatch=&crawlingDomFilterDepth=1&crawlingDomFilterCheck=off&crawlingstart=Start%20New%20Crawl&xpstopw=off&repeat_unit=seldays&crawlingDepth=99&directDocByURL=off";
path += "&crawlingURL=" + url.toNormalform(true);
WorkTables.execGetAPICall(
Domains.LOCALHOST,
sb.getLocalPort(),
path,
pk,
sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME, "admin"),
sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5, ""));
}
}
}
}
// check scheduler
if ( "scheduler".equals(post.get("rescan", "")) ) {
// store this call as api call
if ( repeat_time > 0 ) {
// store as scheduled api call
sb.tables.recordAPICall(
post,
"CrawlStartScanner_p.html",
WorkTables.TABLE_API_TYPE_CRAWLER,
"network scanner for hosts: " + hostSet.toString(),
repeat_time,
repeat_unit.substring(3));
}
// execute the scan results
if ( Scanner.scancacheSize() > 0 ) {
// make a comment cache
final Map<byte[], String> apiCommentCache = WorkTables.commentCache(sb);
String urlString;
DigestURL u;
try {
final Iterator<Map.Entry<Scanner.Service, Scanner.Access>> se = Scanner.scancacheEntries();
Map.Entry<Scanner.Service, Scanner.Access> host;
while ( se.hasNext() ) {
host = se.next();
try {
u = host.getKey().url();
urlString = u.toNormalform(true);
if (host.getValue() == Access.granted
&& Scanner.inIndex(apiCommentCache, urlString) == null ) {
String path =
"/Crawler_p.html?createBookmark=off&xsstopw=off&crawlingDomMaxPages=10000&intention=&range=domain&indexMedia=on&recrawl=nodoubles&xdstopw=off&storeHTCache=on&sitemapURL=&repeat_time=7&crawlingQ=on&cachePolicy=iffresh&indexText=on&crawlingMode=url&mustnotmatch=&crawlingDomFilterDepth=1&crawlingDomFilterCheck=off&crawlingstart=Start%20New%20Crawl&xpstopw=off&repeat_unit=seldays&crawlingDepth=99";
path += "&crawlingURL=" + urlString;
WorkTables.execGetAPICall(
Domains.LOCALHOST,
sb.getLocalPort(),
path,
u.hash(),
sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME, "admin"),
sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5, ""));
}
} catch (final MalformedURLException e ) {
ConcurrentLog.logException(e);
}
}
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
}
}
}
}
return prop;
}
}