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

   1 package org.asamk.signal.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 RecipientStore() {
  30     }
  31
  32     public SignalServiceAddress resolveServiceAddress(SignalServiceAddress serviceAddress) {
  33         if (addresses.contains(serviceAddress)) {
  34             // If the Set already contains the exact address with UUID and Number,
  35             // we can just return it here.
  36             return serviceAddress;
  37         }
  38
  39         for (SignalServiceAddress address : addresses) {
  40             if (address.matches(serviceAddress)) {
  41                 return address;
  42             }
  43         }
  44
  45         if (serviceAddress.getNumber().isPresent() && serviceAddress.getUuid().isPresent()) {
  46             addresses.add(serviceAddress);
  47         }
  48
  49         return serviceAddress;
  50     }
  51
  52     public static class RecipientStoreDeserializer extends JsonDeserializer<Set<SignalServiceAddress>> {
  53
  54         @Override
  55         public Set<SignalServiceAddress> deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
  56             JsonNode node = jsonParser.getCodec().readTree(jsonParser);
  57
  58             Set<SignalServiceAddress> addresses = new HashSet<>();
  59
  60             if (node.isArray()) {
  61                 for (JsonNode recipient : node) {
  62                     String recipientName = recipient.get("name").asText();
  63                     UUID uuid = UuidUtil.parseOrThrow(recipient.get("uuid").asText());
  64                     final SignalServiceAddress serviceAddress = new SignalServiceAddress(uuid, recipientName);
  65                     addresses.add(serviceAddress);
  66                 }
  67             }
  68
  69             return addresses;
  70         }
  71     }
  72
  73     public static class RecipientStoreSerializer extends JsonSerializer<Set<SignalServiceAddress>> {
  74
  75         @Override
  76         public void serialize(Set<SignalServiceAddress> addresses, JsonGenerator json, SerializerProvider serializerProvider) throws IOException {
  77             json.writeStartArray();
  78             for (SignalServiceAddress 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 }