/*
* Created by Angel Leon (@gubatron), Alden Torres (aldenml)
* Copyright (c) 2011-2014, FrostWire(R). All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.frostwire.search.extractors;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.frostwire.search.extractors.js.JsFunction;
/**
* @author gubatron
* @author aldenml
*
*/
public final class YouTubeSig {
private final JsFunction<String> fn;
public YouTubeSig(String jscode) {
Matcher m = Pattern.compile("signature=([a-zA-Z]+)").matcher(jscode);
m.find();
String funcname = m.group(1);
this.fn = new JsFunction<String>(jscode, funcname);
}
public String calc(String sig) {
return fn.eval(sig);
}
}