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i2psnark: Basic torrent file modification CLI

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zzz
2020-04-16 13:24:51 +00:00
parent b3d5accca2
commit 80f66113c4
1 changed files with 58 additions and 5 deletions
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63
apps/i2psnark/java/src/org/klomp/snark/MetaInfo.java
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@ -31,6 +31,8 @@ import java.util.Iterator;
import java.util.List;
import java.util.Map;
import gnu.getopt.Getopt;
import net.i2p.I2PAppContext;
import net.i2p.crypto.SHA1;
import net.i2p.data.DataHelper;
@ -701,20 +703,71 @@ public class MetaInfo
/** @since 0.8.5 */
public static void main(String[] args) {
if (args.length <= 0) {
System.err.println("Usage: MetaInfo files...");
return;
boolean error = false;
String created_by = null;
String announce = null;
Getopt g = new Getopt("Storage", args, "a:c:");
try {
int c;
while ((c = g.getopt()) != -1) {
switch (c) {
case 'a':
announce = g.getOptarg();
break;
case 'c':
created_by = g.getOptarg();
break;
case '?':
case ':':
default:
error = true;
break;
} // switch
} // while
} catch (RuntimeException e) {
e.printStackTrace();
error = true;
}
for (int i = 0; i < args.length; i++) {
if (error || args.length - g.getOptind() <= 0) {
System.err.println("Usage: MetaInfo [-a announceURL] [-c created-by] file.torrent [file2.torrent...]");
}
for (int i = g.getOptind(); i < args.length; i++) {
InputStream in = null;
java.io.OutputStream out = null;
try {
in = new FileInputStream(args[i]);
MetaInfo meta = new MetaInfo(in);
System.out.println(args[i] + " InfoHash: " + I2PSnarkUtil.toHex(meta.getInfoHash()));
System.out.println(args[i] + "\nInfoHash: " + I2PSnarkUtil.toHex(meta.getInfoHash()) +
"\nAnnounce: " + meta.getAnnounce() +
"\nCreated By: " + meta.getCreatedBy());
if (created_by != null || announce != null) {
String cb = created_by != null ? created_by : meta.getCreatedBy();
String an = announce != null ? announce : meta.getAnnounce();
// changes/adds creation date, loses comment
MetaInfo meta2 = new MetaInfo(an, meta.getName(), null, meta.getFiles(), meta.getLengths(),
meta.getPieceLength(0), meta.getPieceHashes(), meta.getTotalLength(), meta.isPrivate(),
meta.getAnnounceList(), cb);
java.io.File from = new java.io.File(args[i]);
java.io.File to = new java.io.File(args[i] + ".bak");
if (net.i2p.util.FileUtil.copy(from, to, true, false)) {
out = new java.io.FileOutputStream(from);
out.write(meta2.getTorrentData());
out.close();
System.out.println("Modified " + from + " and backed up old file to " + to);
System.out.println(args[i] + "\nInfoHash: " + I2PSnarkUtil.toHex(meta2.getInfoHash()) +
"\nAnnounce: " + meta2.getAnnounce() +
"\nCreated By: " + meta2.getCreatedBy());
} else {
System.out.println("Failed backup of " + from + " to " + to);
}
}
} catch (IOException ioe) {
System.err.println("Error in file " + args[i] + ": " + ioe);
} finally {
try { if (in != null) in.close(); } catch (IOException ioe) {}
try { if (out != null) out.close(); } catch (IOException ioe) {}
}
}
}