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https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-09-01 12:05:37 +02:00
Pebble: Experiment with 3.x compatible notifications
This will most probably not work, but please test if you can ;)
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@ -86,6 +86,9 @@ public class GB {
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}
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public static String hexdump(byte[] buffer, int offset, int length) {
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if (length == -1 ) {
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length = buffer.length;
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}
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final char[] hexArray = "0123456789ABCDEF".toCharArray();
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char[] hexChars = new char[length * 2];
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for (int i = 0; i < length; i++) {
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@ -28,7 +28,6 @@ public class PebbleProtocol extends GBDeviceProtocol {
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private static final Logger LOG = LoggerFactory.getLogger(PebbleProtocol.class);
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static final short ENDPOINT_FIRMWARE = 1;
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static final short ENDPOINT_TIME = 11;
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static final short ENDPOINT_FIRMWAREVERSION = 16;
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public static final short ENDPOINT_PHONEVERSION = 17;
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@ -52,6 +51,7 @@ public class PebbleProtocol extends GBDeviceProtocol {
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public static final short ENDPOINT_DATALOG = 6778;
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static final short ENDPOINT_RUNKEEPER = 7000;
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static final short ENDPOINT_SCREENSHOT = 8000;
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static final short ENDPOINT_BLOBDB = (short) 45531; // 3.x only
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static final short ENDPOINT_PUTBYTES = (short) 48879;
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static final byte NOTIFICATION_EMAIL = 0;
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@ -223,7 +223,7 @@ public class PebbleProtocol extends GBDeviceProtocol {
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if (isFw3x) {
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String[] parts = {from, null, body};
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return encodeExtensibleNotification(mRandom.nextInt(), (int) (ts & 0xffffffff), parts);
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return encodeBlobdbNotification((int) (ts & 0xffffffff), parts);
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} else {
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String[] parts = {from, body, ts.toString()};
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return encodeMessage(ENDPOINT_NOTIFICATION, NOTIFICATION_SMS, 0, parts);
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@ -238,7 +238,7 @@ public class PebbleProtocol extends GBDeviceProtocol {
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if (isFw3x) {
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String[] parts = {from, subject, body};
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return encodeExtensibleNotification(mRandom.nextInt(), (int) (ts & 0xffffffff), parts);
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return encodeBlobdbNotification((int) (ts & 0xffffffff), parts);
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} else {
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String[] parts = {from, body, ts.toString(), subject};
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return encodeMessage(ENDPOINT_NOTIFICATION, NOTIFICATION_EMAIL, 0, parts);
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@ -331,6 +331,78 @@ public class PebbleProtocol extends GBDeviceProtocol {
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return buf.array();
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}
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private static byte[] encodeBlobdbNotification(int timestamp, String[] parts) {
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// Calculate length first
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final short BLOBDB_LENGTH = 23;
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final short NOTIFICATION_PIN_LENGTH = 46;
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byte attributes_count = 0;
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int attributes_length = 0;
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if (parts != null) {
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for (String s : parts) {
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if (s == null || s.equals("")) {
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continue;
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}
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attributes_count++;
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attributes_length += (3 + s.getBytes().length);
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}
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}
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int length = BLOBDB_LENGTH + NOTIFICATION_PIN_LENGTH + attributes_length;
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// Encode Prefix
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ByteBuffer buf = ByteBuffer.allocate(length + LENGTH_PREFIX);
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buf.order(ByteOrder.BIG_ENDIAN);
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buf.putShort((short) (length));
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buf.putShort(ENDPOINT_BLOBDB);
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buf.order(ByteOrder.LITTLE_ENDIAN);
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// blobdb - 23 bytes
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buf.put((byte) 0x01); // insert
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buf.putShort((short) mRandom.nextInt()); // token
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buf.put((byte) 0x04); // db id (0x04 = notification)
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buf.put((byte) 16); // uuid length
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byte[] uuid_buf = new byte[16];
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mRandom.nextBytes(uuid_buf);
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buf.put(uuid_buf); // random UUID
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buf.putShort((short) (NOTIFICATION_PIN_LENGTH + attributes_length)); // length of the encapsulated data
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// pin - 46 bytes
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buf.put(uuid_buf); // random UUID
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Arrays.fill(uuid_buf, (byte) 0);
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buf.put(uuid_buf); // parent UUID
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buf.putInt(timestamp); // 32-bit timestamp
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buf.putShort((short) 0); // duration
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buf.put((byte) 0x01); // type (0x01 = notification)
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buf.putShort((short) 0x0010); // flags 0x0010 = read?
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buf.put((byte) 0x01); // layout (0x01 = default?)
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buf.putShort((short) attributes_length); // total length of all attributes in bytes
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buf.put(attributes_count); // count attributes
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buf.put((byte) 0); // count actions - none so far
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byte attribute_id = 0;
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// Encode Pascal-Style Strings
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if (parts != null) {
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for (String s : parts) {
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attribute_id++;
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if (s == null || s.equals("")) {
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continue;
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}
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int partlength = s.getBytes().length;
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if (partlength > 255) partlength = 255;
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buf.put(attribute_id);
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buf.putShort((short) partlength);
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buf.put(s.getBytes(), 0, partlength);
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}
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}
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return buf.array();
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}
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public byte[] encodeGetTime() {
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ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_GETTIME);
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buf.order(ByteOrder.BIG_ENDIAN);
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