AndroidDnsServer$AndroidResolver.smali

.class Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;
.super Ljava/lang/Object;
.source "AndroidDnsServer.java"

# interfaces
.implements Lcom/qiniu/android/dns/IResolver;


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lcom/qiniu/android/dns/local/AndroidDnsServer;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0x8
    name = "AndroidResolver"
.end annotation


# instance fields
.field private dnsServers:Ljava/util/List;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/List<",
            "Ljava/net/InetAddress;",
            ">;"
        }
    .end annotation
.end field

.field private networkCallback:Z


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

    return-void
.end method

.method constructor <init>(Landroid/content/Context;)V
    .registers 7
    .param p1, "context"    # Landroid/content/Context;

    .line 40
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 36
    new-instance v0, Ljava/util/ArrayList;

    invoke-direct {v0}, Ljava/util/ArrayList;-><init>()V

    iput-object v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->dnsServers:Ljava/util/List;

    .line 41
    const/4 v0, 0x0

    iput-boolean v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->networkCallback:Z

    .line 43
    invoke-static {}, Lcom/qiniu/android/dns/local/AndroidDnsServer;->getByReflection()Ljava/util/List;

    move-result-object v0

    .line 44
    .local v0, "addresses":Ljava/util/List;, "Ljava/util/List<Ljava/net/InetAddress;>;"
    if-nez v0, :cond_17

    .line 45
    invoke-static {}, Lcom/qiniu/android/dns/local/AndroidDnsServer;->getByCommand()Ljava/util/List;

    move-result-object v0

    .line 48
    :cond_17
    if-nez v0, :cond_41

    .line 51
    sget v1, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v2, 0x15

    if-lt v1, v2, :cond_46

    .line 52
    nop

    .line 53
    const-string v1, "connectivity"

    invoke-virtual {p1, v1}, Landroid/content/Context;->getSystemService(Ljava/lang/String;)Ljava/lang/Object;

    move-result-object v1

    check-cast v1, Landroid/net/ConnectivityManager;

    .line 55
    .local v1, "connectivityManager":Landroid/net/ConnectivityManager;
    new-instance v2, Landroid/net/NetworkRequest$Builder;

    invoke-direct {v2}, Landroid/net/NetworkRequest$Builder;-><init>()V

    .line 56
    .local v2, "builder":Landroid/net/NetworkRequest$Builder;
    if-eqz v1, :cond_40

    .line 58
    :try_start_2f
    invoke-virtual {v2}, Landroid/net/NetworkRequest$Builder;->build()Landroid/net/NetworkRequest;

    move-result-object v3

    new-instance v4, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver$1;

    invoke-direct {v4, p0}, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver$1;-><init>(Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;)V

    invoke-virtual {v1, v3, v4}, Landroid/net/ConnectivityManager;->registerNetworkCallback(Landroid/net/NetworkRequest;Landroid/net/ConnectivityManager$NetworkCallback;)V
    :try_end_3b
    .catch Ljava/lang/Exception; {:try_start_2f .. :try_end_3b} :catch_3c

    .line 73
    goto :goto_40

    .line 71
    :catch_3c
    move-exception v3

    .line 72
    .local v3, "e":Ljava/lang/Exception;
    invoke-virtual {v3}, Ljava/lang/Exception;->printStackTrace()V

    .line 75
    .end local v1    # "connectivityManager":Landroid/net/ConnectivityManager;
    .end local v2    # "builder":Landroid/net/NetworkRequest$Builder;
    .end local v3    # "e":Ljava/lang/Exception;
    :cond_40
    :goto_40
    goto :goto_46

    .line 78
    :cond_41
    iget-object v1, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->dnsServers:Ljava/util/List;

    invoke-interface {v1, v0}, Ljava/util/List;->addAll(Ljava/util/Collection;)Z

    .line 80
    :cond_46
    :goto_46
    return-void
.end method

.method static synthetic access$000(Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;)Ljava/util/List;
    .registers 2
    .param p0, "x0"    # Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;

    .line 34
    iget-object v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->dnsServers:Ljava/util/List;

    return-object v0
.end method

.method static synthetic access$102(Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;Z)Z
    .registers 2
    .param p0, "x0"    # Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;
    .param p1, "x1"    # Z

    .line 34
    iput-boolean p1, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->networkCallback:Z

    return p1
.end method


# virtual methods
.method public resolve(Lcom/qiniu/android/dns/Domain;Lcom/qiniu/android/dns/NetworkInfo;)[Lcom/qiniu/android/dns/Record;
    .registers 12
    .param p1, "domain"    # Lcom/qiniu/android/dns/Domain;
    .param p2, "info"    # Lcom/qiniu/android/dns/NetworkInfo;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 84
    iget-object v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->dnsServers:Ljava/util/List;

    invoke-interface {v0}, Ljava/util/List;->isEmpty()Z

    move-result v0

    if-eqz v0, :cond_16

    iget-boolean v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->networkCallback:Z

    if-nez v0, :cond_16

    .line 87
    const-wide/16 v0, 0x3e8

    :try_start_e
    invoke-static {v0, v1}, Ljava/lang/Thread;->sleep(J)V
    :try_end_11
    .catch Ljava/lang/InterruptedException; {:try_start_e .. :try_end_11} :catch_12

    .line 90
    goto :goto_16

    .line 88
    :catch_12
    move-exception v0

    .line 89
    .local v0, "e":Ljava/lang/InterruptedException;
    invoke-virtual {v0}, Ljava/lang/InterruptedException;->printStackTrace()V

    .line 93
    .end local v0    # "e":Ljava/lang/InterruptedException;
    :cond_16
    :goto_16
    iget-object v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->dnsServers:Ljava/util/List;

    if-eqz v0, :cond_88

    invoke-interface {v0}, Ljava/util/List;->isEmpty()Z

    move-result v0

    if-nez v0, :cond_88

    .line 97
    iget-object v0, p0, Lcom/qiniu/android/dns/local/AndroidDnsServer$AndroidResolver;->dnsServers:Ljava/util/List;

    const/4 v1, 0x0

    invoke-interface {v0, v1}, Ljava/util/List;->get(I)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Ljava/net/InetAddress;

    .line 99
    .local v0, "dnsServer":Ljava/net/InetAddress;
    new-instance v2, Lcom/qiniu/android/dns/local/HijackingDetectWrapper;

    new-instance v3, Lcom/qiniu/android/dns/dns/DnsUdpResolver;

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

    move-result-object v4

    invoke-direct {v3, v4}, Lcom/qiniu/android/dns/dns/DnsUdpResolver;-><init>(Ljava/lang/String;)V

    invoke-direct {v2, v3}, Lcom/qiniu/android/dns/local/HijackingDetectWrapper;-><init>(Lcom/qiniu/android/dns/dns/DnsUdpResolver;)V

    .line 100
    .local v2, "resolver":Lcom/qiniu/android/dns/IResolver;
    invoke-interface {v2, p1, p2}, Lcom/qiniu/android/dns/IResolver;->resolve(Lcom/qiniu/android/dns/Domain;Lcom/qiniu/android/dns/NetworkInfo;)[Lcom/qiniu/android/dns/Record;

    move-result-object v3

    .line 101
    .local v3, "records":[Lcom/qiniu/android/dns/Record;
    iget-boolean v4, p1, Lcom/qiniu/android/dns/Domain;->hasCname:Z

    if-eqz v4, :cond_60

    .line 102
    const/4 v4, 0x0

    .line 103
    .local v4, "cname":Z
    array-length v5, v3

    const/4 v6, 0x0

    :goto_42
    if-ge v6, v5, :cond_51

    aget-object v7, v3, v6

    .line 104
    .local v7, "r":Lcom/qiniu/android/dns/Record;
    invoke-virtual {v7}, Lcom/qiniu/android/dns/Record;->isCname()Z

    move-result v8

    if-eqz v8, :cond_4e

    .line 105
    const/4 v4, 0x1

    .line 106
    goto :goto_51

    .line 103
    .end local v7    # "r":Lcom/qiniu/android/dns/Record;
    :cond_4e
    add-int/lit8 v6, v6, 0x1

    goto :goto_42

    .line 109
    :cond_51
    :goto_51
    if-eqz v4, :cond_54

    goto :goto_60

    .line 110
    :cond_54
    new-instance v1, Lcom/qiniu/android/dns/local/DnshijackingException;

    iget-object v5, p1, Lcom/qiniu/android/dns/Domain;->domain:Ljava/lang/String;

    .line 111
    invoke-virtual {v0}, Ljava/net/InetAddress;->getHostAddress()Ljava/lang/String;

    move-result-object v6

    invoke-direct {v1, v5, v6}, Lcom/qiniu/android/dns/local/DnshijackingException;-><init>(Ljava/lang/String;Ljava/lang/String;)V

    throw v1

    .line 114
    .end local v4    # "cname":Z
    :cond_60
    :goto_60
    iget v4, p1, Lcom/qiniu/android/dns/Domain;->maxTtl:I

    if-eqz v4, :cond_87

    .line 115
    array-length v4, v3

    :goto_65
    if-ge v1, v4, :cond_87

    aget-object v5, v3, v1

    .line 116
    .local v5, "r":Lcom/qiniu/android/dns/Record;
    invoke-virtual {v5}, Lcom/qiniu/android/dns/Record;->isCname()Z

    move-result v6

    if-nez v6, :cond_84

    .line 117
    iget v6, v5, Lcom/qiniu/android/dns/Record;->ttl:I

    iget v7, p1, Lcom/qiniu/android/dns/Domain;->maxTtl:I

    if-gt v6, v7, :cond_76

    goto :goto_84

    .line 118
    :cond_76
    new-instance v1, Lcom/qiniu/android/dns/local/DnshijackingException;

    iget-object v4, p1, Lcom/qiniu/android/dns/Domain;->domain:Ljava/lang/String;

    .line 119
    invoke-virtual {v0}, Ljava/net/InetAddress;->getHostAddress()Ljava/lang/String;

    move-result-object v6

    iget v7, v5, Lcom/qiniu/android/dns/Record;->ttl:I

    invoke-direct {v1, v4, v6, v7}, Lcom/qiniu/android/dns/local/DnshijackingException;-><init>(Ljava/lang/String;Ljava/lang/String;I)V

    throw v1

    .line 115
    .end local v5    # "r":Lcom/qiniu/android/dns/Record;
    :cond_84
    :goto_84
    add-int/lit8 v1, v1, 0x1

    goto :goto_65

    .line 124
    :cond_87
    return-object v3

    .line 94
    .end local v0    # "dnsServer":Ljava/net/InetAddress;
    .end local v2    # "resolver":Lcom/qiniu/android/dns/IResolver;
    .end local v3    # "records":[Lcom/qiniu/android/dns/Record;
    :cond_88
    new-instance v0, Ljava/io/IOException;

    const-string v1, "cant get local dns server"

    invoke-direct {v0, v1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    goto :goto_91

    :goto_90
    throw v0

    :goto_91
    goto :goto_90
.end method