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Code Issues Packages Projects Releases Wiki Activity

Added option to disable Autocrypt

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This commit is contained in:
M66B
2020-01-09 18:55:10 +01:00
parent da3bc81473
commit 694a97600f
5 changed files with 58 additions and 25 deletions
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5
app/src/main/java/eu/faircode/email/FragmentMessages.java
View File

@@ -4468,7 +4468,10 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
else
throw new IllegalArgumentException(context.getString(R.string.title_not_encrypted));
if (message.from != null && message.from.length > 0 &&
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean autocrypt = prefs.getBoolean("autocrypt", true);
if (autocrypt &&
message.from != null && message.from.length > 0 &&
message.autocrypt != null &&
OpenPgpApi.ACTION_DECRYPT_VERIFY.equals(data.getAction()))
try {

15
app/src/main/java/eu/faircode/email/FragmentOptionsPrivacy.java
View File

@@ -67,6 +67,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
private SwitchCompat swDisplayHidden;
private Spinner spEncryptMethod;
private Spinner spOpenPgp;
private SwitchCompat swAutocrypt;
private SwitchCompat swAutocryptMutual;
private SwitchCompat swSign;
private SwitchCompat swEncrypt;
@@ -84,7 +85,8 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
private final static String[] RESET_OPTIONS = new String[]{
"disable_tracking", "display_hidden",
"default_encrypt_method", "openpgp_provider", "autocrypt_mutual", "sign_default", "encrypt_default", "auto_decrypt",
"default_encrypt_method", "openpgp_provider", "autocrypt", "autocrypt_mutual",
"sign_default", "encrypt_default", "auto_decrypt",
"secure",
"biometrics", "pin", "biometrics_timeout"
};
@@ -104,6 +106,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
swDisplayHidden = view.findViewById(R.id.swDisplayHidden);
spEncryptMethod = view.findViewById(R.id.spEncryptMethod);
spOpenPgp = view.findViewById(R.id.spOpenPgp);
swAutocrypt = view.findViewById(R.id.swAutocrypt);
swAutocryptMutual = view.findViewById(R.id.swAutocryptMutual);
swSign = view.findViewById(R.id.swSign);
swEncrypt = view.findViewById(R.id.swEncrypt);
@@ -175,6 +178,14 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
}
});
swAutocrypt.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
prefs.edit().putBoolean("autocrypt", checked).apply();
swAutocryptMutual.setEnabled(checked);
}
});
swAutocryptMutual.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -356,7 +367,9 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
break;
}
swAutocrypt.setChecked(prefs.getBoolean("autocrypt", true));
swAutocryptMutual.setChecked(prefs.getBoolean("autocrypt_mutual", true));
swAutocryptMutual.setEnabled(swAutocrypt.isChecked());
swSign.setChecked(prefs.getBoolean("sign_default", false));
swEncrypt.setChecked(prefs.getBoolean("encrypt_default", false));
swSign.setEnabled(!swEncrypt.isChecked());

48
app/src/main/java/eu/faircode/email/MessageHelper.java
View File

@@ -243,34 +243,38 @@ public class MessageHelper {
InternetAddress from = (InternetAddress) message.from[0];
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean autocrypt = prefs.getBoolean("autocrypt", true);
boolean mutual = prefs.getBoolean("autocrypt_mutual", true);
String mode = (mutual ? "mutual" : "nopreference");
StringBuilder sb = new StringBuilder();
File file = attachment.getFile(context);
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
String line = br.readLine();
while (line != null) {
String data = null;
if (line.length() > 0 &&
!line.startsWith("-----BEGIN ") &&
!line.startsWith("-----END "))
data = line;
if (autocrypt) {
String mode = (mutual ? "mutual" : "nopreference");
line = br.readLine();
StringBuilder sb = new StringBuilder();
File file = attachment.getFile(context);
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
String line = br.readLine();
while (line != null) {
String data = null;
if (line.length() > 0 &&
!line.startsWith("-----BEGIN ") &&
!line.startsWith("-----END "))
data = line;
// https://www.w3.org/Protocols/rfc822/3_Lexical.html#z0
if (data != null &&
line != null && !line.startsWith("-----END "))
sb.append("\r\n ").append(data);
line = br.readLine();
// https://www.w3.org/Protocols/rfc822/3_Lexical.html#z0
if (data != null &&
line != null && !line.startsWith("-----END "))
sb.append("\r\n ").append(data);
}
}
}
// https://autocrypt.org/level1.html#the-autocrypt-header
imessage.addHeader("Autocrypt",
"addr=" + from.getAddress() + ";" +
" prefer-encrypt=" + mode + ";" +
" keydata=" + sb.toString());
// https://autocrypt.org/level1.html#the-autocrypt-header
imessage.addHeader("Autocrypt",
"addr=" + from.getAddress() + ";" +
" prefer-encrypt=" + mode + ";" +
" keydata=" + sb.toString());
}
}
// PGP: https://tools.ietf.org/html/rfc3156