HttpDiscovery.smali

.class public Lorg/bitcoinj/net/discovery/HttpDiscovery;
.super Ljava/lang/Object;
.source "HttpDiscovery.java"

# interfaces
.implements Lorg/bitcoinj/net/discovery/PeerDiscovery;


# static fields
.field private static final log:Lorg/slf4j/Logger;


# instance fields
.field private final client:Lcom/squareup/okhttp/x;

.field private final details:Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

.field private final params:Lorg/bitcoinj/core/NetworkParameters;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .prologue
    .line 43
    const-class v0, Lorg/bitcoinj/net/discovery/HttpDiscovery;

    invoke-static {v0}, Lorg/slf4j/LoggerFactory;->getLogger(Ljava/lang/Class;)Lorg/slf4j/Logger;

    move-result-object v0

    sput-object v0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->log:Lorg/slf4j/Logger;

    return-void
.end method

.method public constructor <init>(Lorg/bitcoinj/core/NetworkParameters;Ljava/net/URI;Lorg/bitcoinj/core/ECKey;)V
    .registers 5

    .prologue
    .line 64
    new-instance v0, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    invoke-direct {v0, p3, p2}, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;-><init>(Lorg/bitcoinj/core/ECKey;Ljava/net/URI;)V

    invoke-direct {p0, p1, v0}, Lorg/bitcoinj/net/discovery/HttpDiscovery;-><init>(Lorg/bitcoinj/core/NetworkParameters;Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;)V

    .line 65
    return-void
.end method

.method public constructor <init>(Lorg/bitcoinj/core/NetworkParameters;Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;)V
    .registers 4

    .prologue
    .line 72
    new-instance v0, Lcom/squareup/okhttp/x;

    invoke-direct {v0}, Lcom/squareup/okhttp/x;-><init>()V

    invoke-direct {p0, p1, p2, v0}, Lorg/bitcoinj/net/discovery/HttpDiscovery;-><init>(Lorg/bitcoinj/core/NetworkParameters;Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;Lcom/squareup/okhttp/x;)V

    .line 73
    return-void
.end method

.method public constructor <init>(Lorg/bitcoinj/core/NetworkParameters;Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;Lcom/squareup/okhttp/x;)V
    .registers 6

    .prologue
    .line 75
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 76
    iget-object v0, p2, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;->uri:Ljava/net/URI;

    invoke-virtual {v0}, Ljava/net/URI;->getScheme()Ljava/lang/String;

    move-result-object v0

    const-string v1, "http"

    invoke-virtual {v0, v1}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v0

    invoke-static {v0}, Lcom/google/common/base/n;->checkArgument(Z)V

    .line 77
    iput-object p2, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->details:Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    .line 78
    iput-object p1, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->params:Lorg/bitcoinj/core/NetworkParameters;

    .line 79
    iput-object p3, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->client:Lcom/squareup/okhttp/x;

    .line 80
    return-void
.end method


# virtual methods
.method public getPeers(JJLjava/util/concurrent/TimeUnit;)[Ljava/net/InetSocketAddress;
    .registers 11

    .prologue
    .line 85
    :try_start_0
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->details:Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    iget-object v0, v0, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;->uri:Ljava/net/URI;

    invoke-static {v0}, Lcom/squareup/okhttp/HttpUrl;->a(Ljava/net/URI;)Lcom/squareup/okhttp/HttpUrl;

    move-result-object v0

    invoke-virtual {v0}, Lcom/squareup/okhttp/HttpUrl;->GT()Lcom/squareup/okhttp/HttpUrl$Builder;

    move-result-object v0

    .line 86
    const-wide/16 v2, 0x0

    cmp-long v1, p1, v2

    if-eqz v1, :cond_1b

    .line 87
    const-string v1, "srvmask"

    invoke-static {p1, p2}, Ljava/lang/Long;->toString(J)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v1, v2}, Lcom/squareup/okhttp/HttpUrl$Builder;->aN(Ljava/lang/String;Ljava/lang/String;)Lcom/squareup/okhttp/HttpUrl$Builder;

    .line 88
    :cond_1b
    new-instance v1, Lcom/squareup/okhttp/z;

    invoke-direct {v1}, Lcom/squareup/okhttp/z;-><init>()V

    .line 89
    invoke-virtual {v0}, Lcom/squareup/okhttp/HttpUrl$Builder;->GV()Lcom/squareup/okhttp/HttpUrl;

    move-result-object v2

    invoke-virtual {v1, v2}, Lcom/squareup/okhttp/z;->d(Lcom/squareup/okhttp/HttpUrl;)Lcom/squareup/okhttp/z;

    .line 90
    const-string v2, "User-Agent"

    const-string v3, "/bitcoinj:0.14.4/"

    invoke-virtual {v1, v2, v3}, Lcom/squareup/okhttp/z;->aP(Ljava/lang/String;Ljava/lang/String;)Lcom/squareup/okhttp/z;

    .line 91
    sget-object v2, Lorg/bitcoinj/net/discovery/HttpDiscovery;->log:Lorg/slf4j/Logger;

    const-string v3, "Requesting seeds from {}"

    invoke-interface {v2, v3, v0}, Lorg/slf4j/Logger;->info(Ljava/lang/String;Ljava/lang/Object;)V

    .line 92
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->client:Lcom/squareup/okhttp/x;

    invoke-virtual {v1}, Lcom/squareup/okhttp/z;->Ha()Lcom/squareup/okhttp/y;

    move-result-object v1

    invoke-virtual {v0, v1}, Lcom/squareup/okhttp/x;->b(Lcom/squareup/okhttp/y;)Lcom/squareup/okhttp/f;

    move-result-object v0

    invoke-virtual {v0}, Lcom/squareup/okhttp/f;->GG()Lcom/squareup/okhttp/ab;

    move-result-object v0

    .line 93
    invoke-virtual {v0}, Lcom/squareup/okhttp/ab;->isSuccessful()Z

    move-result v1

    if-nez v1, :cond_72

    .line 94
    new-instance v1, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "HTTP request failed: "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v0}, Lcom/squareup/okhttp/ab;->code()I

    move-result v3

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string v3, " "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {v0}, Lcom/squareup/okhttp/ab;->message()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-direct {v1, v0}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v1
    :try_end_70
    .catch Lorg/bitcoinj/net/discovery/PeerDiscoveryException; {:try_start_0 .. :try_end_70} :catch_70
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_70} :catch_8b

    .line 101
    :catch_70
    move-exception v0

    throw v0

    .line 95
    :cond_72
    :try_start_72
    invoke-virtual {v0}, Lcom/squareup/okhttp/ab;->Hc()Lcom/squareup/okhttp/ad;

    move-result-object v0

    invoke-virtual {v0}, Lcom/squareup/okhttp/ad;->byteStream()Ljava/io/InputStream;

    move-result-object v0

    .line 96
    new-instance v1, Ljava/util/zip/GZIPInputStream;

    invoke-direct {v1, v0}, Ljava/util/zip/GZIPInputStream;-><init>(Ljava/io/InputStream;)V

    .line 97
    invoke-static {v1}, Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;->parseDelimitedFrom(Ljava/io/InputStream;)Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;

    move-result-object v1

    .line 98
    invoke-virtual {v0}, Ljava/io/InputStream;->close()V

    .line 99
    invoke-virtual {p0, v1}, Lorg/bitcoinj/net/discovery/HttpDiscovery;->protoToAddrs(Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;)[Ljava/net/InetSocketAddress;
    :try_end_89
    .catch Lorg/bitcoinj/net/discovery/PeerDiscoveryException; {:try_start_72 .. :try_end_89} :catch_70
    .catch Ljava/lang/Exception; {:try_start_72 .. :try_end_89} :catch_8b

    move-result-object v0

    return-object v0

    .line 102
    :catch_8b
    move-exception v0

    .line 103
    new-instance v1, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    invoke-direct {v1, v0}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/Throwable;)V

    throw v1
.end method

.method public protoToAddrs(Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;)[Ljava/net/InetSocketAddress;
    .registers 10

    .prologue
    .line 109
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->details:Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    iget-object v0, v0, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;->pubkey:Lorg/bitcoinj/core/ECKey;

    if-eqz v0, :cond_3f

    .line 110
    invoke-virtual {p1}, Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;->getPubkey()Lcom/google/protobuf/ByteString;

    move-result-object v0

    invoke-virtual {v0}, Lcom/google/protobuf/ByteString;->toByteArray()[B

    move-result-object v0

    iget-object v1, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->details:Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    iget-object v1, v1, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;->pubkey:Lorg/bitcoinj/core/ECKey;

    invoke-virtual {v1}, Lorg/bitcoinj/core/ECKey;->getPubKey()[B

    move-result-object v1

    invoke-static {v0, v1}, Ljava/util/Arrays;->equals([B[B)Z

    move-result v0

    if-nez v0, :cond_24

    .line 111
    new-instance v0, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    const-string v1, "Public key mismatch"

    invoke-direct {v0, v1}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 112
    :cond_24
    invoke-virtual {p1}, Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;->getPeerSeeds()Lcom/google/protobuf/ByteString;

    move-result-object v0

    invoke-virtual {v0}, Lcom/google/protobuf/ByteString;->toByteArray()[B

    move-result-object v0

    invoke-static {v0}, Lorg/bitcoinj/core/Sha256Hash;->hash([B)[B

    move-result-object v0

    .line 113
    iget-object v1, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->details:Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    iget-object v1, v1, Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;->pubkey:Lorg/bitcoinj/core/ECKey;

    invoke-virtual {p1}, Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;->getSignature()Lcom/google/protobuf/ByteString;

    move-result-object v2

    invoke-virtual {v2}, Lcom/google/protobuf/ByteString;->toByteArray()[B

    move-result-object v2

    invoke-virtual {v1, v0, v2}, Lorg/bitcoinj/core/ECKey;->verifyOrThrow([B[B)V

    .line 115
    :cond_3f
    invoke-virtual {p1}, Lorg/bitcoin/crawler/PeerSeedProtos$SignedPeerSeeds;->getPeerSeeds()Lcom/google/protobuf/ByteString;

    move-result-object v0

    invoke-static {v0}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeeds;->parseFrom(Lcom/google/protobuf/ByteString;)Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeeds;

    move-result-object v1

    .line 116
    invoke-virtual {v1}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeeds;->getTimestamp()J

    move-result-wide v2

    invoke-static {}, Lorg/bitcoinj/core/Utils;->currentTimeSeconds()J

    move-result-wide v4

    const-wide/32 v6, 0x15180

    sub-long/2addr v4, v6

    cmp-long v0, v2, v4

    if-gez v0, :cond_5f

    .line 117
    new-instance v0, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    const-string v1, "Seed data is more than one day old: replay attack?"

    invoke-direct {v0, v1}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 118
    :cond_5f
    invoke-virtual {v1}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeeds;->getNet()Ljava/lang/String;

    move-result-object v0

    iget-object v2, p0, Lorg/bitcoinj/net/discovery/HttpDiscovery;->params:Lorg/bitcoinj/core/NetworkParameters;

    invoke-virtual {v2}, Lorg/bitcoinj/core/NetworkParameters;->getPaymentProtocolId()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v2}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-nez v0, :cond_77

    .line 119
    new-instance v0, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    const-string v1, "Network mismatch"

    invoke-direct {v0, v1}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 120
    :cond_77
    invoke-virtual {v1}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeeds;->getSeedCount()I

    move-result v0

    new-array v3, v0, [Ljava/net/InetSocketAddress;

    .line 121
    const/4 v0, 0x0

    .line 122
    invoke-virtual {v1}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeeds;->getSeedList()Ljava/util/List;

    move-result-object v1

    invoke-interface {v1}, Ljava/util/List;->iterator()Ljava/util/Iterator;

    move-result-object v4

    move v1, v0

    :goto_87
    invoke-interface {v4}, Ljava/util/Iterator;->hasNext()Z

    move-result v0

    if-eqz v0, :cond_a6

    invoke-interface {v4}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeedData;

    .line 123
    add-int/lit8 v2, v1, 0x1

    new-instance v5, Ljava/net/InetSocketAddress;

    invoke-virtual {v0}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeedData;->getIpAddress()Ljava/lang/String;

    move-result-object v6

    invoke-virtual {v0}, Lorg/bitcoin/crawler/PeerSeedProtos$PeerSeedData;->getPort()I

    move-result v0

    invoke-direct {v5, v6, v0}, Ljava/net/InetSocketAddress;-><init>(Ljava/lang/String;I)V

    aput-object v5, v3, v1

    move v1, v2

    goto :goto_87

    .line 124
    :cond_a6
    return-object v3
.end method

.method public shutdown()V
    .registers 1

    .prologue
    .line 129
    return-void
.end method