@Override
public boolean matches(Challenge c) {
final LinkCrawler lcrawler = getCrawler();
if (lcrawler != null && lcrawler.isRunning()) {
final Plugin plugin = c.getPlugin();
if (plugin instanceof PluginForDecrypt) {
final PluginForDecrypt decrypt = (PluginForDecrypt) plugin;
return decrypt.getCrawler() == lcrawler && decrypt.getHost().equalsIgnoreCase(getHost());
}
}
return false;
}
protected List<DownloadLink> loadContainerFile(File file) {
final LinkCrawler lc = LinkCrawler.newInstance();
lc.crawl(file.toURI().toString());
lc.waitForCrawling();
final ArrayList<DownloadLink> ret = new ArrayList<DownloadLink>(lc.getCrawledLinks().size());
for (final CrawledLink link : lc.getCrawledLinks()) {
DownloadLink dl = link.getDownloadLink();
if (dl == null) {
final String url = link.getURL();
if (url != null) {
dl = new DownloadLink(null, null, null, url, true);
}
}
if (dl != null) {
ret.add(dl);
}
}
return ret;
}
/**
* Die Methode entschlüsselt einen einzelnen Link. Alle steps werden durchlaufen. Der letzte step
* muss als parameter einen Vector <String> mit den decoded Links setzen
*
* @param cryptedLink Ein einzelner verschlüsselter Link
* @return Ein Vector mit Klartext-links
*/
public ArrayList<DownloadLink> decryptLink(CrawledLink link) {
if (link.getCryptedLink() == null) {
return null;
}
ArrayList<DownloadLink> tmpLinks = null;
Throwable throwable = null;
boolean linkstatusOffline = false;
boolean pwfailed = false;
boolean captchafailed = false;
try {
challenges = null;
setCurrentLink(link);
/*
* we now lets log into plugin specific loggers with all verbose/debug on
*/
br.setLogger(logger);
br.setVerbose(true);
br.setDebug(true);
/* now we let the decrypter do its magic */
tmpLinks = decryptIt(link);
validateLastChallengeResponse();
} catch (final Throwable e) {
throwable = e;
if (isAbort()) {
throwable = null;
} else if (processCaptchaException(e)) {
/* User entered wrong captcha (too many times) */
throwable = null;
captchafailed = true;
} else if (DecrypterException.PLUGIN_DEFECT.equals(e.getMessage())) {
// leave alone.
} else if (DecrypterException.PASSWORD.equals(e.getMessage())) {
/* User entered password captcha (too many times) */
throwable = null;
pwfailed = true;
} else if (DecrypterException.ACCOUNT.equals(e.getMessage())) {
throwable = null;
} else if (e instanceof DecrypterException || e.getCause() instanceof DecrypterException) {
throwable = null;
} else if (e instanceof PluginException) {
// offline file linkstatus exception, this should not be treated as crawler error..
if (((PluginException) e).getLinkStatus() == 32) {
throwable = null;
linkstatusOffline = true;
if (tmpLinks == null
&& LinkCrawler.getConfig().isAddDefectiveCrawlerTasksAsOfflineInLinkgrabber()) {
tmpLinks = new ArrayList<DownloadLink>();
tmpLinks.add(createOfflinelink(link.getURL()));
}
}
}
if (throwable == null && logger instanceof LogSource) {
if (logger instanceof LogSource) {
/* make sure we use the right logger */
((LogSource) logger).clear();
((LogSource) logger).log(e);
} else {
LogSource.exception(logger, e);
}
}
} finally {
clean();
challenges = null;
}
if ((tmpLinks == null || throwable != null)
&& !isAbort()
&& !pwfailed
&& !captchafailed
&& !linkstatusOffline) {
/*
* null as return value? something must have happened, do not clear log
*/
errLog(throwable, br, link);
logger.severe("CrawlerPlugin out of date: " + this + " :" + getVersion());
logger.severe("URL was: " + link.getURL());
/*
* we can effectively create generic offline link here. For custom message/comments this must be done within the plugin.
* -raztoki
*/
if (tmpLinks == null
&& LinkCrawler.getConfig().isAddDefectiveCrawlerTasksAsOfflineInLinkgrabber()) {
tmpLinks = new ArrayList<DownloadLink>();
tmpLinks.add(createOfflinelink(link.getURL()));
}
/* lets forward the log */
if (logger instanceof LogSource) {
/* make sure we use the right logger */
((LogSource) logger).flush();
}
}
if (logger instanceof LogSource) {
/* make sure we use the right logger */
((LogSource) logger).clear();
}
return tmpLinks;
}
@Override
public boolean canCleanUp() {
final LinkCrawler lcrawler = getCrawler();
return lcrawler == null || !lcrawler.isRunning();
}
