Kaladaran/briar
0
0
Fork 0
mirror of https://code.briarproject.org/briar/briar.git synced 2026-02-12 18:59:06 +01:00
Code Issues Projects Releases Wiki Activity

Factor out recognition of QR code format.

Browse Source
This commit is contained in:
akwizgran
2022-12-02 12:12:09 +00:00
parent 1b8d1a5a8d
commit badccac90c
28 changed files with 372 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
bramble-api/src/main/java/org/briarproject/bramble/api/keyagreement/KeyAgreementConstants.java
View File

@@ -1,18 +1,26 @@
package org.briarproject.bramble.api.keyagreement;
public interface KeyAgreementConstants {
import org.briarproject.bramble.api.mailbox.MailboxConstants;
/**
* The version of the BQP protocol used in beta releases. This version
* number is reserved.
*/
byte BETA_PROTOCOL_VERSION = 89;
public interface KeyAgreementConstants {
/**
* The current version of the BQP protocol.
*/
byte PROTOCOL_VERSION = 4;
/**
* The QR code format identifier, used to distinguish BQP QR codes from
* QR codes used for other purposes. See
* {@link MailboxConstants#QR_FORMAT_ID}.
*/
byte QR_FORMAT_ID = 0;
/**
* The QR code format version.
*/
byte QR_FORMAT_VERSION = PROTOCOL_VERSION;
/**
* The length of the BQP key commitment in bytes.
*/

2
bramble-api/src/main/java/org/briarproject/bramble/api/keyagreement/PayloadParser.java
View File

@@ -7,5 +7,5 @@ import java.io.IOException;
@NotNullByDefault
public interface PayloadParser {
Payload parse(byte[] raw) throws IOException;
Payload parse(String payload) throws IOException;
}

13
bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxConstants.java
View File

@@ -1,5 +1,6 @@
package org.briarproject.bramble.api.mailbox;
import org.briarproject.bramble.api.keyagreement.KeyAgreementConstants;
import org.briarproject.bramble.api.plugin.TransportId;
import java.util.List;
@@ -19,6 +20,18 @@ public interface MailboxConstants {
*/
TransportId ID = new TransportId("org.briarproject.bramble.mailbox");
/**
* The QR code format identifier, used to distinguish mailbox QR codes
* from QR codes used for other purposes. See
* {@link KeyAgreementConstants#QR_FORMAT_ID};
*/
byte QR_FORMAT_ID = 1;
/**
* The QR code format version.
*/
byte QR_FORMAT_VERSION = 0;
/**
* Mailbox API versions that we support as a client. This is reported to our
* contacts by {@link MailboxUpdateManager}.

10
bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxPairingState.java
View File

@@ -1,5 +1,7 @@
package org.briarproject.bramble.api.mailbox;
import org.briarproject.bramble.api.qrcode.QrCodeClassifier.QrCodeType;
public abstract class MailboxPairingState {
public abstract static class Pending extends MailboxPairingState {
@@ -29,6 +31,14 @@ public abstract class MailboxPairingState {
}
public static class InvalidQrCode extends MailboxPairingState {
public final QrCodeType qrCodeType;
public final int formatVersion;
public InvalidQrCode(QrCodeType qrCodeType, int formatVersion) {
this.qrCodeType = qrCodeType;
this.formatVersion = formatVersion;
}
}
public static class MailboxAlreadyPaired extends MailboxPairingState {

16
bramble-api/src/main/java/org/briarproject/bramble/api/qrcode/QrCodeClassifier.java Normal file
View File

@@ -0,0 +1,16 @@
package org.briarproject.bramble.api.qrcode;
import org.briarproject.bramble.api.Pair;
import org.briarproject.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface QrCodeClassifier {
enum QrCodeType {
BQP,
MAILBOX,
UNKNOWN
}
Pair<QrCodeType, Integer> classifyQrCode(String payload);
}

20
bramble-api/src/main/java/org/briarproject/bramble/util/StringUtils.java
View File

@@ -3,7 +3,6 @@ package org.briarproject.bramble.util;
import org.briarproject.bramble.api.FormatException;
import org.briarproject.nullsafety.NotNullByDefault;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
@@ -17,13 +16,18 @@ import javax.annotation.Nullable;
import static java.nio.charset.CodingErrorAction.IGNORE;
import static java.util.regex.Pattern.CASE_INSENSITIVE;
@SuppressWarnings("CharsetObjectCanBeUsed")
@NotNullByDefault
public class StringUtils {
private static final Charset UTF_8 = Charset.forName("UTF-8");
private static Pattern MAC = Pattern.compile("[0-9a-f]{2}:[0-9a-f]{2}:" +
"[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}",
CASE_INSENSITIVE);
public static final Charset UTF_8 = Charset.forName("UTF-8");
public static final Charset US_ASCII = Charset.forName("US-ASCII");
public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");
private static final Pattern MAC =
Pattern.compile("[0-9a-f]{2}:[0-9a-f]{2}:" +
"[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}",
CASE_INSENSITIVE);
private static final char[] HEX = new char[] {
'0', '1', '2', '3', '4', '5', '6', '7',
@@ -45,11 +49,7 @@ public class StringUtils {
}
public static byte[] toUtf8(String s) {
try {
return s.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new AssertionError(e);
}
return s.getBytes(UTF_8);
}
public static String fromUtf8(byte[] bytes) {