narayana/conversations-classic
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transform aesgcm:// links back to https:// before connecting through Tor

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fixes #2444
This commit is contained in:
Daniel Gultsch 2017-04-16 08:44:21 +02:00
parent 1ac0c2f453
commit 6c34763d32
2 changed files with 25 additions and 6 deletions
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17
src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
View file

@ -70,9 +70,9 @@ public class HttpDownloadConnection implements Transferable {
this.message.setTransferable(this);
try {
if (message.hasFileOnRemoteHost()) {
mUrl = message.getFileParams().url;
mUrl = CryptoHelper.toHttpsUrl(message.getFileParams().url);
} else {
mUrl = new URL(message.getBody());
mUrl = CryptoHelper.toHttpsUrl(new URL(message.getBody()));
}
String[] parts = mUrl.getPath().toLowerCase().split("\\.");
String lastPart = parts.length >= 1 ? parts[parts.length - 1] : null;
@ -91,8 +91,8 @@ public class HttpDownloadConnection implements Transferable {
}
message.setRelativeFilePath(message.getUuid() + "." + extension);
this.file = mXmppConnectionService.getFileBackend().getFile(message, false);
String reference = mUrl.getRef();
if (reference != null && reference.length() == 96) {
final String reference = mUrl.getRef();
if (reference != null && reference.matches("([A-Fa-f0-9]{2}){48}")) {
this.file.setKeyAndIv(CryptoHelper.hexToBytes(reference));
}
@ -332,7 +332,14 @@ public class HttpDownloadConnection implements Transferable {
private void updateImageBounds() {
message.setType(Message.TYPE_FILE);
mXmppConnectionService.getFileBackend().updateFileParams(message, mUrl);
final URL url;
final String ref = mUrl.getRef();
if (ref != null && ref.matches("([A-Fa-f0-9]{2}){48}")) {
url = CryptoHelper.toAesGcmUrl(mUrl);
} else {
url = mUrl;
}
mXmppConnectionService.getFileBackend().updateFileParams(message, url);
mXmppConnectionService.updateMessage(message);
}

14
src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
View file

@ -29,6 +29,7 @@ import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.http.AesGcmURLStreamHandler;
import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid;
@ -238,7 +239,18 @@ public final class CryptoHelper {
return url;
}
try {
return new URL("aesgcm"+url.toString().substring(url.getProtocol().length()));
return new URL(AesGcmURLStreamHandler.PROTOCOL_NAME+url.toString().substring(url.getProtocol().length()));
} catch (MalformedURLException e) {
return url;
}
}
public static URL toHttpsUrl(URL url) {
if (!url.getProtocol().equalsIgnoreCase(AesGcmURLStreamHandler.PROTOCOL_NAME)) {
return url;
}
try {
return new URL("https"+url.toString().substring(url.getProtocol().length()));
} catch (MalformedURLException e) {
return url;
}