Base64$Decoder.smali

.class public Lcom/sdk/orion/utils/Base64$Decoder;
.super Ljava/lang/Object;


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lcom/sdk/orion/utils/Base64;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0x9
    name = "Decoder"
.end annotation


# static fields
.field private static final FROM_BASE_SIXTY:[I

.field private static final FROM_BASE_SIXTY_URL:[I

.field static final RFC2045:Lcom/sdk/orion/utils/Base64$Decoder;

.field static final RFC4648:Lcom/sdk/orion/utils/Base64$Decoder;

.field static final RFC4648_URLSAFE:Lcom/sdk/orion/utils/Base64$Decoder;


# instance fields
.field private final isMIME:Z

.field private final isURL:Z


# direct methods
.method static constructor <clinit>()V
    .registers 8

    const/16 v7, 0x3d

    const/4 v6, 0x1

    const/4 v5, -0x1

    const/4 v4, -0x2

    const/4 v1, 0x0

    const/16 v0, 0x100

    new-array v0, v0, [I

    sput-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    invoke-static {v0, v5}, Ljava/util/Arrays;->fill([II)V

    move v0, v1

    :goto_10
    # getter for: Lcom/sdk/orion/utils/Base64$Encoder;->TO_BASE_SIXTY:[C
    invoke-static {}, Lcom/sdk/orion/utils/Base64$Encoder;->access$200()[C

    move-result-object v2

    array-length v2, v2

    if-ge v0, v2, :cond_24

    sget-object v2, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    # getter for: Lcom/sdk/orion/utils/Base64$Encoder;->TO_BASE_SIXTY:[C
    invoke-static {}, Lcom/sdk/orion/utils/Base64$Encoder;->access$200()[C

    move-result-object v3

    aget-char v3, v3, v0

    aput v0, v2, v3

    add-int/lit8 v0, v0, 0x1

    goto :goto_10

    :cond_24
    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    aput v4, v0, v7

    const/16 v0, 0x100

    new-array v0, v0, [I

    sput-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY_URL:[I

    invoke-static {v0, v5}, Ljava/util/Arrays;->fill([II)V

    move v0, v1

    :goto_32
    # getter for: Lcom/sdk/orion/utils/Base64$Encoder;->TO_BASE_SIXTY_URL:[C
    invoke-static {}, Lcom/sdk/orion/utils/Base64$Encoder;->access$300()[C

    move-result-object v2

    array-length v2, v2

    if-ge v0, v2, :cond_46

    sget-object v2, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY_URL:[I

    # getter for: Lcom/sdk/orion/utils/Base64$Encoder;->TO_BASE_SIXTY_URL:[C
    invoke-static {}, Lcom/sdk/orion/utils/Base64$Encoder;->access$300()[C

    move-result-object v3

    aget-char v3, v3, v0

    aput v0, v2, v3

    add-int/lit8 v0, v0, 0x1

    goto :goto_32

    :cond_46
    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY_URL:[I

    aput v4, v0, v7

    new-instance v0, Lcom/sdk/orion/utils/Base64$Decoder;

    invoke-direct {v0, v1, v1}, Lcom/sdk/orion/utils/Base64$Decoder;-><init>(ZZ)V

    sput-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->RFC4648:Lcom/sdk/orion/utils/Base64$Decoder;

    new-instance v0, Lcom/sdk/orion/utils/Base64$Decoder;

    invoke-direct {v0, v6, v1}, Lcom/sdk/orion/utils/Base64$Decoder;-><init>(ZZ)V

    sput-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->RFC4648_URLSAFE:Lcom/sdk/orion/utils/Base64$Decoder;

    new-instance v0, Lcom/sdk/orion/utils/Base64$Decoder;

    invoke-direct {v0, v1, v6}, Lcom/sdk/orion/utils/Base64$Decoder;-><init>(ZZ)V

    sput-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->RFC2045:Lcom/sdk/orion/utils/Base64$Decoder;

    return-void
.end method

.method private constructor <init>(ZZ)V
    .registers 3

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

    iput-boolean p1, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isURL:Z

    iput-boolean p2, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isMIME:Z

    return-void
.end method

.method static synthetic access$000()[I
    .registers 1

    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    return-object v0
.end method

.method private decode0([BII[B)I
    .registers 15

    const/4 v9, 0x6

    const/16 v3, 0x12

    const/4 v5, 0x0

    iget-boolean v0, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isURL:Z

    if-eqz v0, :cond_38

    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY_URL:[I

    :goto_a
    move v7, v3

    move v4, v5

    move v6, v5

    move v1, p2

    :goto_e
    if-ge v1, p3, :cond_80

    add-int/lit8 v2, v1, 0x1

    aget-byte v1, p1, v1

    and-int/lit16 v1, v1, 0xff

    aget v1, v0, v1

    if-gez v1, :cond_61

    const/4 v8, -0x2

    if-ne v1, v8, :cond_3d

    if-ne v7, v9, :cond_d9

    if-eq v2, p3, :cond_d6

    add-int/lit8 v1, v2, 0x1

    aget-byte v2, p1, v2

    const/16 v8, 0x3d

    if-ne v2, v8, :cond_2b

    :goto_29
    if-ne v7, v3, :cond_3b

    :cond_2b
    :goto_2b
    const/4 v5, 0x1

    move v2, v1

    :goto_2d
    if-eqz v5, :cond_81

    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string/jumbo v1, "Input byte array has wrong 4-byte ending unit"

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

    throw v0

    :cond_38
    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    goto :goto_a

    :cond_3b
    move v2, v1

    goto :goto_2d

    :cond_3d
    iget-boolean v1, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isMIME:Z

    if-nez v1, :cond_d3

    new-instance v0, Ljava/lang/IllegalArgumentException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string/jumbo v3, "Illegal base64 character "

    invoke-direct {v1, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    add-int/lit8 v2, v2, -0x1

    aget-byte v2, p1, v2

    const/16 v3, 0x10

    invoke-static {v2, v3}, Ljava/lang/Integer;->toString(II)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

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

    move-result-object v1

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

    throw v0

    :cond_61
    shl-int/2addr v1, v7

    or-int/2addr v4, v1

    add-int/lit8 v1, v7, -0x6

    if-gez v1, :cond_7d

    add-int/lit8 v1, v6, 0x1

    shr-int/lit8 v7, v4, 0x10

    int-to-byte v7, v7

    aput-byte v7, p4, v6

    add-int/lit8 v6, v1, 0x1

    shr-int/lit8 v7, v4, 0x8

    int-to-byte v7, v7

    aput-byte v7, p4, v1

    add-int/lit8 v1, v6, 0x1

    int-to-byte v4, v4

    aput-byte v4, p4, v6

    move v4, v5

    move v6, v1

    move v1, v3

    :cond_7d
    move v7, v1

    move v1, v2

    goto :goto_e

    :cond_80
    move v2, v1

    :cond_81
    if-ne v7, v9, :cond_b0

    add-int/lit8 v1, v6, 0x1

    shr-int/lit8 v3, v4, 0x10

    int-to-byte v3, v3

    aput-byte v3, p4, v6

    move v6, v1

    :cond_8b
    :goto_8b
    if-ge v2, p3, :cond_ce

    iget-boolean v1, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isMIME:Z

    if-eqz v1, :cond_d1

    add-int/lit8 v1, v2, 0x1

    aget-byte v2, p1, v2

    aget v2, v0, v2

    if-ltz v2, :cond_cf

    move v0, v1

    :goto_9a
    new-instance v1, Ljava/lang/IllegalArgumentException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string/jumbo v3, "Input byte array has incorrect ending byte at "

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

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(I)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}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v1

    :cond_b0
    if-nez v7, :cond_c1

    add-int/lit8 v1, v6, 0x1

    shr-int/lit8 v3, v4, 0x10

    int-to-byte v3, v3

    aput-byte v3, p4, v6

    add-int/lit8 v6, v1, 0x1

    shr-int/lit8 v3, v4, 0x8

    int-to-byte v3, v3

    aput-byte v3, p4, v1

    goto :goto_8b

    :cond_c1
    const/16 v1, 0xc

    if-ne v7, v1, :cond_8b

    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string/jumbo v1, "Last unit does not have enough valid bits"

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

    throw v0

    :cond_ce
    return v6

    :cond_cf
    move v2, v1

    goto :goto_8b

    :cond_d1
    move v0, v2

    goto :goto_9a

    :cond_d3
    move v1, v2

    goto/16 :goto_e

    :cond_d6
    move v1, v2

    goto/16 :goto_2b

    :cond_d9
    move v1, v2

    goto/16 :goto_29
.end method

.method private outLength([BII)I
    .registers 12

    const/4 v0, 0x2

    const/4 v7, -0x1

    const/16 v6, 0x3d

    const/4 v2, 0x0

    iget-boolean v1, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isURL:Z

    if-eqz v1, :cond_12

    sget-object v1, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY_URL:[I

    move-object v4, v1

    :goto_c
    sub-int v1, p3, p2

    if-nez v1, :cond_16

    move v0, v2

    :goto_11
    return v0

    :cond_12
    sget-object v1, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    move-object v4, v1

    goto :goto_c

    :cond_16
    if-ge v1, v0, :cond_2b

    iget-boolean v0, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isMIME:Z

    if-eqz v0, :cond_22

    aget v0, v4, v2

    if-ne v0, v7, :cond_22

    move v0, v2

    goto :goto_11

    :cond_22
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string/jumbo v1, "Input byte[] should at least have 2 bytes for base64 bytes"

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

    throw v0

    :cond_2b
    iget-boolean v3, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isMIME:Z

    if-eqz v3, :cond_5c

    move v0, v2

    :goto_30
    if-ge p2, p3, :cond_3f

    add-int/lit8 v3, p2, 0x1

    aget-byte v5, p1, p2

    and-int/lit16 v5, v5, 0xff

    if-ne v5, v6, :cond_54

    sub-int v3, p3, v3

    add-int/lit8 v3, v3, 0x1

    sub-int/2addr v1, v3

    :cond_3f
    sub-int/2addr v1, v0

    move v0, v2

    :cond_41
    :goto_41
    if-nez v0, :cond_4b

    and-int/lit8 v2, v1, 0x3

    if-eqz v2, :cond_4b

    and-int/lit8 v0, v1, 0x3

    rsub-int/lit8 v0, v0, 0x4

    :cond_4b
    add-int/lit8 v1, v1, 0x3

    div-int/lit8 v1, v1, 0x4

    mul-int/lit8 v1, v1, 0x3

    sub-int v0, v1, v0

    goto :goto_11

    :cond_54
    aget v5, v4, v5

    if-ne v5, v7, :cond_5a

    add-int/lit8 v0, v0, 0x1

    :cond_5a
    move p2, v3

    goto :goto_30

    :cond_5c
    add-int/lit8 v3, p3, -0x1

    aget-byte v3, p1, v3

    if-ne v3, v6, :cond_69

    const/4 v2, 0x1

    add-int/lit8 v3, p3, -0x2

    aget-byte v3, p1, v3

    if-eq v3, v6, :cond_41

    :cond_69
    move v0, v2

    goto :goto_41
.end method


# virtual methods
.method public decode([B[B)I
    .registers 6

    const/4 v2, 0x0

    array-length v0, p1

    invoke-direct {p0, p1, v2, v0}, Lcom/sdk/orion/utils/Base64$Decoder;->outLength([BII)I

    move-result v0

    array-length v1, p2

    if-ge v1, v0, :cond_12

    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string/jumbo v1, "Output byte array is too small for decoding all input bytes"

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

    throw v0

    :cond_12
    array-length v0, p1

    invoke-direct {p0, p1, v2, v0, p2}, Lcom/sdk/orion/utils/Base64$Decoder;->decode0([BII[B)I

    move-result v0

    return v0
.end method

.method public decode(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;
    .registers 8

    const/4 v1, 0x0

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v3

    :try_start_5
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->hasArray()Z

    move-result v0

    if-eqz v0, :cond_38

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v2

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->arrayOffset()I

    move-result v0

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v1

    add-int/2addr v1, v0

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->arrayOffset()I

    move-result v0

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v4

    add-int/2addr v0, v4

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v4

    invoke-virtual {p1, v4}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    :goto_28
    invoke-direct {p0, v2, v1, v0}, Lcom/sdk/orion/utils/Base64$Decoder;->outLength([BII)I

    move-result v4

    new-array v4, v4, [B

    const/4 v5, 0x0

    invoke-direct {p0, v2, v1, v0, v4}, Lcom/sdk/orion/utils/Base64$Decoder;->decode0([BII[B)I

    move-result v0

    invoke-static {v4, v5, v0}, Ljava/nio/ByteBuffer;->wrap([BII)Ljava/nio/ByteBuffer;

    move-result-object v0

    return-object v0

    :cond_38
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v0

    new-array v2, v0, [B

    invoke-virtual {p1, v2}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer;

    array-length v0, v2
    :try_end_42
    .catch Ljava/lang/IllegalArgumentException; {:try_start_5 .. :try_end_42} :catch_43

    goto :goto_28

    :catch_43
    move-exception v0

    invoke-virtual {p1, v3}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    throw v0
.end method

.method public decode(Ljava/lang/String;)[B
    .registers 3

    sget-object v0, Ljava/nio/charset/StandardCharsets;->ISO_8859_1:Ljava/nio/charset/Charset;

    invoke-virtual {p1, v0}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B

    move-result-object v0

    invoke-virtual {p0, v0}, Lcom/sdk/orion/utils/Base64$Decoder;->decode([B)[B

    move-result-object v0

    return-object v0
.end method

.method public decode([B)[B
    .registers 5

    const/4 v2, 0x0

    array-length v0, p1

    invoke-direct {p0, p1, v2, v0}, Lcom/sdk/orion/utils/Base64$Decoder;->outLength([BII)I

    move-result v0

    new-array v0, v0, [B

    array-length v1, p1

    invoke-direct {p0, p1, v2, v1, v0}, Lcom/sdk/orion/utils/Base64$Decoder;->decode0([BII[B)I

    move-result v1

    array-length v2, v0

    if-eq v1, v2, :cond_14

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

    move-result-object v0

    :cond_14
    return-object v0
.end method

.method public wrap(Ljava/io/InputStream;)Ljava/io/InputStream;
    .registers 5

    invoke-static {p1}, Ljava/util/Objects;->requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;

    new-instance v1, Lcom/sdk/orion/utils/Base64$DecInputStream;

    iget-boolean v0, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isURL:Z

    if-eqz v0, :cond_11

    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY_URL:[I

    :goto_b
    iget-boolean v2, p0, Lcom/sdk/orion/utils/Base64$Decoder;->isMIME:Z

    invoke-direct {v1, p1, v0, v2}, Lcom/sdk/orion/utils/Base64$DecInputStream;-><init>(Ljava/io/InputStream;[IZ)V

    return-object v1

    :cond_11
    sget-object v0, Lcom/sdk/orion/utils/Base64$Decoder;->FROM_BASE_SIXTY:[I

    goto :goto_b
.end method