.class Lcom/ea/nimble/mtx/googleplay/billing/Security;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field private static final KEY_FACTORY_ALGORITHM:Ljava/lang/String; = "RSA"

.field private static final SIGNATURE_ALGORITHM:Ljava/lang/String; = "SHA1withRSA"

.field private static final TAG:Ljava/lang/String; = "IABUtil/Security"


# direct methods
.method public constructor <init>()V
    .locals 0

    .line 30
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method private static generatePublicKey(Ljava/lang/String;)Ljava/security/PublicKey;
    .locals 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const/4 v0, 0x0

    .line 66
    :try_start_0
    invoke-static {p0, v0}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object p0

    const-string v0, "RSA"

    .line 67
    invoke-static {v0}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object v0

    .line 68
    new-instance v1, Ljava/security/spec/X509EncodedKeySpec;

    invoke-direct {v1, p0}, Ljava/security/spec/X509EncodedKeySpec;-><init>([B)V

    invoke-virtual {v0, v1}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object p0
    :try_end_0
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_0} :catch_1
    .catch Ljava/security/spec/InvalidKeySpecException; {:try_start_0 .. :try_end_0} :catch_0

    return-object p0

    :catch_0
    move-exception p0

    goto :goto_0

    :catch_1
    move-exception p0

    goto :goto_1

    .line 73
    :goto_0
    new-instance v0, Ljava/lang/StringBuilder;

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

    const-string v1, "Invalid key specification: "

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

    invoke-virtual {v0, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object p0

    const-string v0, "IABUtil/Security"

    .line 74
    invoke-static {v0, p0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    .line 75
    new-instance v0, Ljava/io/IOException;

    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 71
    :goto_1
    new-instance v0, Ljava/lang/RuntimeException;

    invoke-direct {v0, p0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/Throwable;)V

    throw v0
.end method

.method private static verify(Ljava/security/PublicKey;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Boolean;
    .locals 2

    const-string v0, "IABUtil/Security"

    const/4 v1, 0x0

    .line 91
    :try_start_0
    invoke-static {p2, v1}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object p2
    :try_end_0
    .catch Ljava/lang/IllegalArgumentException; {:try_start_0 .. :try_end_0} :catch_3

    :try_start_1
    const-string v1, "SHA1withRSA"

    .line 97
    invoke-static {v1}, Ljava/security/Signature;->getInstance(Ljava/lang/String;)Ljava/security/Signature;

    move-result-object v1

    .line 98
    invoke-virtual {v1, p0}, Ljava/security/Signature;->initVerify(Ljava/security/PublicKey;)V

    .line 99
    invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B

    move-result-object p0

    invoke-virtual {v1, p0}, Ljava/security/Signature;->update([B)V

    .line 100
    invoke-virtual {v1, p2}, Ljava/security/Signature;->verify([B)Z

    move-result p0

    if-nez p0, :cond_0

    const-string p0, "Signature verification failed..."

    .line 101
    invoke-static {v0, p0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    sget-object p0, Ljava/lang/Boolean;->FALSE:Ljava/lang/Boolean;

    return-object p0

    :catch_0
    move-exception p0

    goto :goto_1

    :cond_0
    sget-object p0, Ljava/lang/Boolean;->TRUE:Ljava/lang/Boolean;
    :try_end_1
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_1 .. :try_end_1} :catch_0
    .catch Ljava/security/InvalidKeyException; {:try_start_1 .. :try_end_1} :catch_2
    .catch Ljava/security/SignatureException; {:try_start_1 .. :try_end_1} :catch_1

    return-object p0

    :catch_1
    const-string p0, "Signature exception."

    .line 111
    invoke-static {v0, p0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    goto :goto_0

    :catch_2
    const-string p0, "Invalid key specification."

    .line 109
    invoke-static {v0, p0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    :goto_0
    sget-object p0, Ljava/lang/Boolean;->FALSE:Ljava/lang/Boolean;

    return-object p0

    .line 107
    :goto_1
    new-instance p1, Ljava/lang/RuntimeException;

    invoke-direct {p1, p0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/Throwable;)V

    throw p1

    :catch_3
    const-string p0, "Base64 decoding failed."

    .line 93
    invoke-static {v0, p0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    sget-object p0, Ljava/lang/Boolean;->FALSE:Ljava/lang/Boolean;

    return-object p0
.end method

.method public static verifyPurchase(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z
    .locals 3

    .line 42
    invoke-static {p1}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v0

    const/4 v1, 0x0

    const-string v2, "IABUtil/Security"

    if-nez v0, :cond_1

    invoke-static {p0}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v0

    if-nez v0, :cond_1

    .line 43
    invoke-static {p2}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v0

    if-eqz v0, :cond_0

    goto :goto_0

    .line 49
    :cond_0
    :try_start_0
    invoke-static {p0}, Lcom/ea/nimble/mtx/googleplay/billing/Security;->generatePublicKey(Ljava/lang/String;)Ljava/security/PublicKey;

    move-result-object p0

    .line 50
    invoke-static {p0, p1, p2}, Lcom/ea/nimble/mtx/googleplay/billing/Security;->verify(Ljava/security/PublicKey;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Boolean;

    move-result-object p0

    invoke-virtual {p0}, Ljava/lang/Boolean;->booleanValue()Z

    move-result p0
    :try_end_0
    .catch Ljava/io/IOException; {:try_start_0 .. :try_end_0} :catch_0

    return p0

    :catch_0
    move-exception p0

    .line 52
    new-instance p1, Ljava/lang/StringBuilder;

    invoke-direct {p1}, Ljava/lang/StringBuilder;-><init>()V

    const-string p2, "Error generating PublicKey from encoded key: "

    invoke-virtual {p1, p2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {p0}, Ljava/lang/Throwable;->getMessage()Ljava/lang/String;

    move-result-object p0

    invoke-virtual {p1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {p1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    invoke-static {v2, p0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    return v1

    :cond_1
    :goto_0
    const-string p0, "Purchase verification failed: missing data."

    .line 45
    invoke-static {v2, p0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    return v1
.end method