--- /dev/null
+package org.asamk.signal.commands;
+
+import net.sourceforge.argparse4j.inf.Namespace;
+import net.sourceforge.argparse4j.inf.Subparser;
+
+import org.asamk.signal.commands.exceptions.CommandException;
+import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
+import org.asamk.signal.commands.exceptions.UserErrorException;
+import org.asamk.signal.json.JsonAttachmentData;
+import org.asamk.signal.manager.Manager;
+import org.asamk.signal.manager.api.StickerPackId;
+import org.asamk.signal.output.JsonWriter;
+import org.asamk.signal.output.OutputWriter;
+import org.asamk.signal.output.PlainTextWriter;
+import org.asamk.signal.util.Hex;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Base64;
+
+public class GetStickerCommand implements JsonRpcLocalCommand {
+
+ @Override
+ public String getName() {
+ return "getSticker";
+ }
+
+ @Override
+ public void attachToSubparser(final Subparser subparser) {
+ subparser.help("Retrieve the sticker of a sticker pack base64 encoded.");
+ subparser.addArgument("--pack-id").required(true).help("The ID of the sticker pack.");
+ subparser.addArgument("--sticker-id").type(int.class).required(true).help("The ID of the sticker.");
+ }
+
+ @Override
+ public void handleCommand(
+ final Namespace ns, final Manager m, final OutputWriter outputWriter
+ ) throws CommandException {
+
+ final var packId = StickerPackId.deserialize(Hex.toByteArray(ns.getString("pack-id")));
+ final var stickerId = ns.getInt("sticker-id");
+
+ try (InputStream data = m.retrieveSticker(packId, stickerId)) {
+ final var bytes = data.readAllBytes();
+ final var base64 = Base64.getEncoder().encodeToString(bytes);
+ switch (outputWriter) {
+ case PlainTextWriter writer -> writer.println(base64);
+ case JsonWriter writer -> writer.write(new JsonAttachmentData(base64));
+ }
+ } catch (FileNotFoundException ex) {
+ throw new UserErrorException("Could not find sticker with ID: " + stickerId + " in pack " + packId, ex);
+ } catch (IOException ex) {
+ throw new UnexpectedErrorException("An error occurred reading sticker with ID: "
+ + stickerId
+ + " in pack "
+ + packId, ex);
+ }
+ }
+}