ClearKeyUtil.smali

.class final Lcom/google/android/exoplayer2/drm/ClearKeyUtil;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field private static final REQUEST_KIDS_PATTERN:Ljava/util/regex/Pattern;

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


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

    const-string v0, "\"kids\":\\[\"(.*?)\"]"

    .line 32
    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lcom/google/android/exoplayer2/drm/ClearKeyUtil;->REQUEST_KIDS_PATTERN:Ljava/util/regex/Pattern;

    return-void
.end method

.method private constructor <init>()V
    .registers 1

    .line 34
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static adjustRequestData([B)[B
    .registers 4

    .line 43
    sget v0, Lcom/google/android/exoplayer2/util/Util;->SDK_INT:I

    const/16 v1, 0x1b

    if-lt v0, v1, :cond_7

    return-object p0

    .line 50
    :cond_7
    invoke-static {p0}, Lcom/google/android/exoplayer2/util/Util;->fromUtf8Bytes([B)Ljava/lang/String;

    move-result-object v0

    .line 51
    sget-object v1, Lcom/google/android/exoplayer2/drm/ClearKeyUtil;->REQUEST_KIDS_PATTERN:Ljava/util/regex/Pattern;

    invoke-virtual {v1, v0}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object v1

    .line 52
    invoke-virtual {v1}, Ljava/util/regex/Matcher;->find()Z

    move-result v2

    if-nez v2, :cond_27

    .line 53
    invoke-static {v0}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    const-string v1, "Failed to adjust request data: "

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

    move-result-object v0

    const-string v1, "ClearKeyUtil"

    invoke-static {v1, v0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    return-object p0

    :cond_27
    const/4 p0, 0x1

    .line 56
    invoke-virtual {v1, p0}, Ljava/util/regex/Matcher;->start(I)I

    move-result v2

    .line 57
    invoke-virtual {v1, p0}, Ljava/util/regex/Matcher;->end(I)I

    move-result p0

    .line 58
    new-instance v1, Ljava/lang/StringBuilder;

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

    .line 59
    invoke-static {v1, v2, p0}, Lcom/google/android/exoplayer2/drm/ClearKeyUtil;->base64ToBase64Url(Ljava/lang/StringBuilder;II)V

    .line 60
    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    invoke-static {p0}, Lcom/google/android/exoplayer2/util/Util;->getUtf8Bytes(Ljava/lang/String;)[B

    move-result-object p0

    return-object p0
.end method

.method public static adjustResponseData([B)[B
    .registers 8

    const-string v0, "kid"

    const-string v1, "k"

    .line 70
    sget v2, Lcom/google/android/exoplayer2/util/Util;->SDK_INT:I

    const/16 v3, 0x1b

    if-lt v2, v3, :cond_b

    return-object p0

    .line 76
    :cond_b
    :try_start_b
    new-instance v2, Lorg/json/JSONObject;

    invoke-static {p0}, Lcom/google/android/exoplayer2/util/Util;->fromUtf8Bytes([B)Ljava/lang/String;

    move-result-object v3

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

    const-string v3, "keys"

    .line 77
    invoke-virtual {v2, v3}, Lorg/json/JSONObject;->getJSONArray(Ljava/lang/String;)Lorg/json/JSONArray;

    move-result-object v3

    const/4 v4, 0x0

    .line 78
    :goto_1b
    invoke-virtual {v3}, Lorg/json/JSONArray;->length()I

    move-result v5

    if-ge v4, v5, :cond_3e

    .line 79
    invoke-virtual {v3, v4}, Lorg/json/JSONArray;->getJSONObject(I)Lorg/json/JSONObject;

    move-result-object v5

    .line 80
    invoke-virtual {v5, v1}, Lorg/json/JSONObject;->getString(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v6

    invoke-static {v6}, Lcom/google/android/exoplayer2/drm/ClearKeyUtil;->base64UrlToBase64(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v6

    invoke-virtual {v5, v1, v6}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

    .line 81
    invoke-virtual {v5, v0}, Lorg/json/JSONObject;->getString(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v6

    invoke-static {v6}, Lcom/google/android/exoplayer2/drm/ClearKeyUtil;->base64UrlToBase64(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v6

    invoke-virtual {v5, v0, v6}, Lorg/json/JSONObject;->put(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;

    add-int/lit8 v4, v4, 0x1

    goto :goto_1b

    .line 83
    :cond_3e
    invoke-virtual {v2}, Lorg/json/JSONObject;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Util;->getUtf8Bytes(Ljava/lang/String;)[B

    move-result-object p0
    :try_end_46
    .catch Lorg/json/JSONException; {:try_start_b .. :try_end_46} :catch_47

    return-object p0

    :catch_47
    move-exception v0

    .line 85
    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Failed to adjust response data: "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-static {p0}, Lcom/google/android/exoplayer2/util/Util;->fromUtf8Bytes([B)Ljava/lang/String;

    move-result-object v2

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

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

    move-result-object v1

    const-string v2, "ClearKeyUtil"

    invoke-static {v2, v1, v0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    return-object p0
.end method

.method private static base64ToBase64Url(Ljava/lang/StringBuilder;II)V
    .registers 5

    :goto_0
    if-ge p1, p2, :cond_1d

    .line 92
    invoke-virtual {p0, p1}, Ljava/lang/StringBuilder;->charAt(I)C

    move-result v0

    const/16 v1, 0x2b

    if-eq v0, v1, :cond_15

    const/16 v1, 0x2f

    if-eq v0, v1, :cond_f

    goto :goto_1a

    :cond_f
    const/16 v0, 0x5f

    .line 97
    invoke-virtual {p0, p1, v0}, Ljava/lang/StringBuilder;->setCharAt(IC)V

    goto :goto_1a

    :cond_15
    const/16 v0, 0x2d

    .line 94
    invoke-virtual {p0, p1, v0}, Ljava/lang/StringBuilder;->setCharAt(IC)V

    :goto_1a
    add-int/lit8 p1, p1, 0x1

    goto :goto_0

    :cond_1d
    return-void
.end method

.method private static base64UrlToBase64(Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    const/16 v0, 0x2d

    const/16 v1, 0x2b

    .line 106
    invoke-virtual {p0, v0, v1}, Ljava/lang/String;->replace(CC)Ljava/lang/String;

    move-result-object p0

    const/16 v0, 0x5f

    const/16 v1, 0x2f

    invoke-virtual {p0, v0, v1}, Ljava/lang/String;->replace(CC)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method