nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/storage/recipients/RecipientStore.java

   1 package org.asamk.signal.manager.storage.recipients;
   2
   3 import com.fasterxml.jackson.annotation.JsonProperty;
   4 import com.fasterxml.jackson.core.JsonGenerator;
   5 import com.fasterxml.jackson.core.JsonParser;
   6 import com.fasterxml.jackson.databind.DeserializationContext;
   7 import com.fasterxml.jackson.databind.JsonDeserializer;
   8 import com.fasterxml.jackson.databind.JsonNode;
   9 import com.fasterxml.jackson.databind.JsonSerializer;
  10 import com.fasterxml.jackson.databind.SerializerProvider;
  11 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
  12 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
  13
  14 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  15 import org.whispersystems.signalservice.api.util.UuidUtil;
  16
  17 import java.io.IOException;
  18 import java.util.HashSet;
  19 import java.util.Set;
  20
  21 public class RecipientStore {
  22
  23     @JsonProperty("recipientStore")
  24     @JsonDeserialize(using = RecipientStoreDeserializer.class)
  25     @JsonSerialize(using = RecipientStoreSerializer.class)
  26     private final Set<SignalServiceAddress> addresses = new HashSet<>();
  27
  28     public SignalServiceAddress resolveServiceAddress(SignalServiceAddress serviceAddress) {
  29         if (addresses.contains(serviceAddress)) {
  30             // If the Set already contains the exact address with UUID and Number,
  31             // we can just return it here.
  32             return serviceAddress;
  33         }
  34
  35         for (var address : addresses) {
  36             if (address.matches(serviceAddress)) {
  37                 return address;
  38             }
  39         }
  40
  41         if (serviceAddress.getNumber().isPresent() && serviceAddress.getUuid().isPresent()) {
  42             addresses.add(serviceAddress);
  43         }
  44
  45         return serviceAddress;
  46     }
  47
  48     public static class RecipientStoreDeserializer extends JsonDeserializer<Set<SignalServiceAddress>> {
  49
  50         @Override
  51         public Set<SignalServiceAddress> deserialize(
  52                 JsonParser jsonParser, DeserializationContext deserializationContext
  53         ) throws IOException {
  54             JsonNode node = jsonParser.getCodec().readTree(jsonParser);
  55
  56             var addresses = new HashSet<SignalServiceAddress>();
  57
  58             if (node.isArray()) {
  59                 for (var recipient : node) {
  60                     var recipientName = recipient.get("name").asText();
  61                     var uuid = UuidUtil.parseOrThrow(recipient.get("uuid").asText());
  62                     final var serviceAddress = new SignalServiceAddress(uuid, recipientName);
  63                     addresses.add(serviceAddress);
  64                 }
  65             }
  66
  67             return addresses;
  68         }
  69     }
  70
  71     public static class RecipientStoreSerializer extends JsonSerializer<Set<SignalServiceAddress>> {
  72
  73         @Override
  74         public void serialize(
  75                 Set<SignalServiceAddress> addresses, JsonGenerator json, SerializerProvider serializerProvider
  76         ) throws IOException {
  77             json.writeStartArray();
  78             for (var address : addresses) {
  79                 json.writeStartObject();
  80                 json.writeStringField("name", address.getNumber().get());
  81                 json.writeStringField("uuid", address.getUuid().get().toString());
  82                 json.writeEndObject();
  83             }
  84             json.writeEndArray();
  85         }
  86     }
  87 }