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

   1 package org.asamk.signal.manager.storage.protocol;
   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 import java.util.UUID;
  21
  22 public class RecipientStore {
  23
  24     @JsonProperty("recipientStore")
  25     @JsonDeserialize(using = RecipientStoreDeserializer.class)
  26     @JsonSerialize(using = RecipientStoreSerializer.class)
  27     private final Set<SignalServiceAddress> addresses = new HashSet<>();
  28
  29     public SignalServiceAddress resolveServiceAddress(SignalServiceAddress serviceAddress) {
  30         if (addresses.contains(serviceAddress)) {
  31             // If the Set already contains the exact address with UUID and Number,
  32             // we can just return it here.
  33             return serviceAddress;
  34         }
  35
  36         for (SignalServiceAddress address : addresses) {
  37             if (address.matches(serviceAddress)) {
  38                 return address;
  39             }
  40         }
  41
  42         if (serviceAddress.getNumber().isPresent() && serviceAddress.getUuid().isPresent()) {
  43             addresses.add(serviceAddress);
  44         }
  45
  46         return serviceAddress;
  47     }
  48
  49     public static class RecipientStoreDeserializer extends JsonDeserializer<Set<SignalServiceAddress>> {
  50
  51         @Override
  52         public Set<SignalServiceAddress> deserialize(
  53                 JsonParser jsonParser, DeserializationContext deserializationContext
  54         ) throws IOException {
  55             JsonNode node = jsonParser.getCodec().readTree(jsonParser);
  56
  57             Set<SignalServiceAddress> addresses = new HashSet<>();
  58
  59             if (node.isArray()) {
  60                 for (JsonNode recipient : node) {
  61                     String recipientName = recipient.get("name").asText();
  62                     UUID uuid = UuidUtil.parseOrThrow(recipient.get("uuid").asText());
  63                     final SignalServiceAddress serviceAddress = new SignalServiceAddress(uuid, recipientName);
  64                     addresses.add(serviceAddress);
  65                 }
  66             }
  67
  68             return addresses;
  69         }
  70     }
  71
  72     public static class RecipientStoreSerializer extends JsonSerializer<Set<SignalServiceAddress>> {
  73
  74         @Override
  75         public void serialize(
  76                 Set<SignalServiceAddress> addresses, JsonGenerator json, SerializerProvider serializerProvider
  77         ) throws IOException {
  78             json.writeStartArray();
  79             for (SignalServiceAddress address : addresses) {
  80                 json.writeStartObject();
  81                 json.writeStringField("name", address.getNumber().get());
  82                 json.writeStringField("uuid", address.getUuid().get().toString());
  83                 json.writeEndObject();
  84             }
  85             json.writeEndArray();
  86         }
  87     }
  88 }