Fix decrypt/verify from gmail/aosp mail with sharing intent, fix scrolling in decryt screen

This commit is contained in:
Dominik Schürmann
2014-10-01 15:03:53 +02:00
parent e7cbf975ac
commit 42ce3bb0d3
3 changed files with 89 additions and 89 deletions

View File

@@ -32,9 +32,7 @@ import org.sufficientlysecure.keychain.service.results.SingletonResult;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.ui.util.Notify;
import java.io.StreamTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DecryptTextActivity extends ActionBarActivity {
@@ -58,38 +56,51 @@ public class DecryptTextActivity extends ActionBarActivity {
}
/**
* Fix the message a bit, trailing spaces and newlines break stuff,
* because GMail sends as HTML and such things break ASCII Armor
* TODO: things like "<" and ">" also make problems
* <p/>
* NOTE: Do not use on cleartext signatures, only on ASCII-armored ciphertext,
* it would change the signed message
* Fixing broken PGP MESSAGE Strings coming from GMail/AOSP Mail
*/
private String fixAsciiArmoredCiphertext(String message) {
private String fixPgpMessage(String message) {
// windows newline -> unix newline
message = message.replaceAll("\r\n", "\n");
// Mac OS before X newline -> unix newline
message = message.replaceAll("\r", "\n");
// remove whitespaces before newline
message = message.replaceAll(" +\n", "\n");
// only two consecutive newlines are allowed
message = message.replaceAll("\n\n+", "\n\n");
message = message.replaceFirst("^\n+", "");
// make sure there'll be exactly one newline at the end
message = message.replaceFirst("\n*$", "\n");
// replace non breakable spaces
message = message.replaceAll("\\xa0", " ");
return message;
}
/**
* Fixing broken PGP SIGNED MESSAGE Strings coming from GMail/AOSP Mail
*/
private String fixPgpCleartextSignature(String message) {
// windows newline -> unix newline
message = message.replaceAll("\r\n", "\n");
// Mac OS before X newline -> unix newline
message = message.replaceAll("\r", "\n");
return message;
}
private String getPgpContent(String input) {
// only decrypt if clipboard content is available and a pgp message or cleartext signature
if (input != null) {
Matcher matcher = PgpHelper.PGP_MESSAGE.matcher(input);
if (matcher.matches()) {
String message = matcher.group(1);
message = fixAsciiArmoredCiphertext(message);
message = fixPgpMessage(message);
return message;
} else {
matcher = PgpHelper.PGP_CLEARTEXT_SIGNATURE.matcher(input);
if (matcher.matches()) {
// return cleartext signature
return matcher.group(1);
String message = matcher.group(1);
message = fixPgpCleartextSignature(message);
return message;
} else {
return null;
}

View File

@@ -23,6 +23,7 @@ import android.content.Intent;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.text.method.ScrollingMovementMethod;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@@ -181,7 +182,6 @@ public class DecryptTextFragment extends DecryptFragment {
byte[] decryptedMessage = returnData
.getByteArray(KeychainIntentService.RESULT_DECRYPTED_BYTES);
mText.setText(new String(decryptedMessage));
mText.setHorizontallyScrolling(false);
pgpResult.createNotify(getActivity()).show();