.class final Landroidx/multidex/ZipUtil; .super Ljava/lang/Object; .source "ZipUtil.java" # annotations .annotation system Ldalvik/annotation/MemberClasses; value = { Landroidx/multidex/ZipUtil$CentralDirectory; } .end annotation # static fields .field private static final BUFFER_SIZE:I = 0x4000 .field private static final ENDHDR:I = 0x16 .field private static final ENDSIG:I = 0x6054b50 # direct methods .method constructor ()V .locals 0 .line 32 invoke-direct {p0}, Ljava/lang/Object;->()V return-void .end method .method static computeCrcOfCentralDir(Ljava/io/RandomAccessFile;Landroidx/multidex/ZipUtil$CentralDirectory;)J .locals 9 .annotation system Ldalvik/annotation/Throws; value = { Ljava/io/IOException; } .end annotation .line 108 new-instance v0, Ljava/util/zip/CRC32; invoke-direct {v0}, Ljava/util/zip/CRC32;->()V .line 109 iget-wide v1, p1, Landroidx/multidex/ZipUtil$CentralDirectory;->size:J .line 110 iget-wide v3, p1, Landroidx/multidex/ZipUtil$CentralDirectory;->offset:J invoke-virtual {p0, v3, v4}, Ljava/io/RandomAccessFile;->seek(J)V const-wide/16 v3, 0x4000 .line 111 invoke-static {v3, v4, v1, v2}, Ljava/lang/Math;->min(JJ)J move-result-wide v5 long-to-int p1, v5 const/16 v5, 0x4000 new-array v5, v5, [B const/4 v6, 0x0 .line 113 invoke-virtual {p0, v5, v6, p1}, Ljava/io/RandomAccessFile;->read([BII)I move-result p1 :goto_0 const/4 v7, -0x1 if-eq p1, v7, :cond_1 .line 115 invoke-virtual {v0, v5, v6, p1}, Ljava/util/zip/CRC32;->update([BII)V int-to-long v7, p1 sub-long/2addr v1, v7 const-wide/16 v7, 0x0 cmp-long p1, v1, v7 if-nez p1, :cond_0 goto :goto_1 .line 120 :cond_0 invoke-static {v3, v4, v1, v2}, Ljava/lang/Math;->min(JJ)J move-result-wide v7 long-to-int p1, v7 .line 121 invoke-virtual {p0, v5, v6, p1}, Ljava/io/RandomAccessFile;->read([BII)I move-result p1 goto :goto_0 .line 123 :cond_1 :goto_1 invoke-virtual {v0}, Ljava/util/zip/CRC32;->getValue()J move-result-wide p0 return-wide p0 .end method .method static findCentralDirectory(Ljava/io/RandomAccessFile;)Landroidx/multidex/ZipUtil$CentralDirectory; .locals 8 .annotation system Ldalvik/annotation/Throws; value = { Ljava/io/IOException;, Ljava/util/zip/ZipException; } .end annotation .line 68 invoke-virtual {p0}, Ljava/io/RandomAccessFile;->length()J move-result-wide v0 const-wide/16 v2, 0x16 sub-long v2, v0, v2 const-wide/16 v4, 0x0 cmp-long v6, v2, v4 if-ltz v6, :cond_3 const-wide/32 v6, 0x10016 sub-long/2addr v0, v6 cmp-long v6, v0, v4 if-gez v6, :cond_0 goto :goto_0 :cond_0 move-wide v4, v0 :goto_0 const v0, 0x6054b50 .line 78 invoke-static {v0}, Ljava/lang/Integer;->reverseBytes(I)I move-result v0 .line 80 :goto_1 invoke-virtual {p0, v2, v3}, Ljava/io/RandomAccessFile;->seek(J)V .line 81 invoke-virtual {p0}, Ljava/io/RandomAccessFile;->readInt()I move-result v1 if-ne v1, v0, :cond_1 const/4 v0, 0x2 .line 95 invoke-virtual {p0, v0}, Ljava/io/RandomAccessFile;->skipBytes(I)I .line 96 invoke-virtual {p0, v0}, Ljava/io/RandomAccessFile;->skipBytes(I)I .line 97 invoke-virtual {p0, v0}, Ljava/io/RandomAccessFile;->skipBytes(I)I .line 98 invoke-virtual {p0, v0}, Ljava/io/RandomAccessFile;->skipBytes(I)I .line 99 new-instance v0, Landroidx/multidex/ZipUtil$CentralDirectory; invoke-direct {v0}, Landroidx/multidex/ZipUtil$CentralDirectory;->()V .line 100 invoke-virtual {p0}, Ljava/io/RandomAccessFile;->readInt()I move-result v1 invoke-static {v1}, Ljava/lang/Integer;->reverseBytes(I)I move-result v1 int-to-long v1, v1 const-wide v3, 0xffffffffL and-long/2addr v1, v3 iput-wide v1, v0, Landroidx/multidex/ZipUtil$CentralDirectory;->size:J .line 101 invoke-virtual {p0}, Ljava/io/RandomAccessFile;->readInt()I move-result p0 invoke-static {p0}, Ljava/lang/Integer;->reverseBytes(I)I move-result p0 int-to-long v1, p0 and-long/2addr v1, v3 iput-wide v1, v0, Landroidx/multidex/ZipUtil$CentralDirectory;->offset:J return-object v0 :cond_1 const-wide/16 v6, 0x1 sub-long/2addr v2, v6 cmp-long v1, v2, v4 if-ltz v1, :cond_2 goto :goto_1 .line 87 :cond_2 new-instance p0, Ljava/util/zip/ZipException; const-string v0, "End Of Central Directory signature not found" invoke-direct {p0, v0}, Ljava/util/zip/ZipException;->(Ljava/lang/String;)V throw p0 .line 70 :cond_3 new-instance v0, Ljava/util/zip/ZipException; new-instance v1, Ljava/lang/StringBuilder; const-string v2, "File too short to be a zip file: " invoke-direct {v1, v2}, Ljava/lang/StringBuilder;->(Ljava/lang/String;)V invoke-virtual {p0}, Ljava/io/RandomAccessFile;->length()J move-result-wide v2 invoke-virtual {v1, v2, v3}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder; move-result-object p0 invoke-virtual {p0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String; move-result-object p0 invoke-direct {v0, p0}, Ljava/util/zip/ZipException;->(Ljava/lang/String;)V throw v0 .end method .method static getZipCrc(Ljava/io/File;)J .locals 3 .annotation system Ldalvik/annotation/Throws; value = { Ljava/io/IOException; } .end annotation .line 55 new-instance v0, Ljava/io/RandomAccessFile; const-string v1, "r" invoke-direct {v0, p0, v1}, Ljava/io/RandomAccessFile;->(Ljava/io/File;Ljava/lang/String;)V .line 57 :try_start_0 invoke-static {v0}, Landroidx/multidex/ZipUtil;->findCentralDirectory(Ljava/io/RandomAccessFile;)Landroidx/multidex/ZipUtil$CentralDirectory; move-result-object p0 .line 59 invoke-static {v0, p0}, Landroidx/multidex/ZipUtil;->computeCrcOfCentralDir(Ljava/io/RandomAccessFile;Landroidx/multidex/ZipUtil$CentralDirectory;)J move-result-wide v1 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 .line 61 invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V return-wide v1 :catchall_0 move-exception p0 invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V throw p0 .end method