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Code Issues Projects Releases Wiki Activity

Factor out recognition of QR code format.

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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
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20
bramble-api/src/main/java/org/briarproject/bramble/api/keyagreement/KeyAgreementConstants.java
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@@ -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
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@@ -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
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@@ -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
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@@ -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
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@@ -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);
}