public class org.apache.catalina.authenticator.BasicAuthenticator extends org.apache.catalina.authenticator.AuthenticatorBase
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.catalina.authenticator.BasicAuthenticator
  super_class: org.apache.catalina.authenticator.AuthenticatorBase
{
  private final org.apache.juli.logging.Log log;
    descriptor: Lorg/apache/juli/logging/Log;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.nio.charset.Charset charset;
    descriptor: Ljava/nio/charset/Charset;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String charsetString;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private boolean trimCredentials;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
         0: .line 41
            aload 0 /* this */
            invokespecial org.apache.catalina.authenticator.AuthenticatorBase.<init>:()V
         1: .line 43
            aload 0 /* this */
            ldc Lorg/apache/catalina/authenticator/BasicAuthenticator;
            invokestatic org.apache.juli.logging.LogFactory.getLog:(Ljava/lang/Class;)Lorg/apache/juli/logging/Log;
            putfield org.apache.catalina.authenticator.BasicAuthenticator.log:Lorg/apache/juli/logging/Log;
         2: .line 45
            aload 0 /* this */
            getstatic java.nio.charset.StandardCharsets.ISO_8859_1:Ljava/nio/charset/Charset;
            putfield org.apache.catalina.authenticator.BasicAuthenticator.charset:Ljava/nio/charset/Charset;
         3: .line 46
            aload 0 /* this */
            aconst_null
            putfield org.apache.catalina.authenticator.BasicAuthenticator.charsetString:Ljava/lang/String;
         4: .line 47
            aload 0 /* this */
            iconst_1
            putfield org.apache.catalina.authenticator.BasicAuthenticator.trimCredentials:Z
         5: .line 41
            return
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/catalina/authenticator/BasicAuthenticator;

  public java.lang.String getCharset();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
         0: .line 51
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.charsetString:Ljava/lang/String;
            areturn
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/authenticator/BasicAuthenticator;

  public void setCharset(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
        start local 1 // java.lang.String charsetString
         0: .line 57
            aload 1 /* charsetString */
            ifnull 1
            aload 1 /* charsetString */
            invokevirtual java.lang.String.isEmpty:()Z
            ifeq 3
         1: .line 58
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getstatic java.nio.charset.StandardCharsets.ISO_8859_1:Ljava/nio/charset/Charset;
            putfield org.apache.catalina.authenticator.BasicAuthenticator.charset:Ljava/nio/charset/Charset;
         2: .line 59
            goto 7
      StackMap locals:
      StackMap stack:
         3: ldc "UTF-8"
            aload 1 /* charsetString */
            invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
            ifeq 6
         4: .line 60
            aload 0 /* this */
            getstatic java.nio.charset.StandardCharsets.UTF_8:Ljava/nio/charset/Charset;
            putfield org.apache.catalina.authenticator.BasicAuthenticator.charset:Ljava/nio/charset/Charset;
         5: .line 61
            goto 7
         6: .line 62
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            getstatic org.apache.catalina.authenticator.BasicAuthenticator.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "basicAuthenticator.invalidCharset"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 64
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* charsetString */
            putfield org.apache.catalina.authenticator.BasicAuthenticator.charsetString:Ljava/lang/String;
         8: .line 65
            return
        end local 1 // java.lang.String charsetString
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Lorg/apache/catalina/authenticator/BasicAuthenticator;
            0    9     1  charsetString  Ljava/lang/String;
    MethodParameters:
               Name  Flags
      charsetString  

  public boolean getTrimCredentials();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
         0: .line 70
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.trimCredentials:Z
            ireturn
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/authenticator/BasicAuthenticator;

  public void setTrimCredentials(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
        start local 1 // boolean trimCredentials
         0: .line 75
            aload 0 /* this */
            iload 1 /* trimCredentials */
            putfield org.apache.catalina.authenticator.BasicAuthenticator.trimCredentials:Z
         1: .line 76
            return
        end local 1 // boolean trimCredentials
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    2     0             this  Lorg/apache/catalina/authenticator/BasicAuthenticator;
            0    2     1  trimCredentials  Z
    MethodParameters:
                 Name  Flags
      trimCredentials  

  protected boolean doAuthenticate(org.apache.catalina.connector.Request, jakarta.servlet.http.HttpServletResponse);
    descriptor: (Lorg/apache/catalina/connector/Request;Ljakarta/servlet/http/HttpServletResponse;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=7, locals=9, args_size=3
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
        start local 1 // org.apache.catalina.connector.Request request
        start local 2 // jakarta.servlet.http.HttpServletResponse response
         0: .line 83
            aload 0 /* this */
            aload 1 /* request */
            aload 2 /* response */
            iconst_1
            invokevirtual org.apache.catalina.authenticator.BasicAuthenticator.checkForCachedAuthentication:(Lorg/apache/catalina/connector/Request;Ljakarta/servlet/http/HttpServletResponse;Z)Z
            ifeq 2
         1: .line 84
            iconst_1
            ireturn
         2: .line 89
      StackMap locals:
      StackMap stack:
            aload 1 /* request */
            invokevirtual org.apache.catalina.connector.Request.getCoyoteRequest:()Lorg/apache/coyote/Request;
            invokevirtual org.apache.coyote.Request.getMimeHeaders:()Lorg/apache/tomcat/util/http/MimeHeaders;
         3: .line 90
            ldc "authorization"
            invokevirtual org.apache.tomcat.util.http.MimeHeaders.getValue:(Ljava/lang/String;)Lorg/apache/tomcat/util/buf/MessageBytes;
         4: .line 88
            astore 3 /* authorization */
        start local 3 // org.apache.tomcat.util.buf.MessageBytes authorization
         5: .line 92
            aload 3 /* authorization */
            ifnull 21
         6: .line 93
            aload 3 /* authorization */
            invokevirtual org.apache.tomcat.util.buf.MessageBytes.toBytes:()V
         7: .line 94
            aload 3 /* authorization */
            invokevirtual org.apache.tomcat.util.buf.MessageBytes.getByteChunk:()Lorg/apache/tomcat/util/buf/ByteChunk;
            astore 4 /* authorizationBC */
        start local 4 // org.apache.tomcat.util.buf.ByteChunk authorizationBC
         8: .line 95
            aconst_null
            astore 5 /* credentials */
        start local 5 // org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials credentials
         9: .line 97
            new org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials
            dup
            aload 4 /* authorizationBC */
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.charset:Ljava/nio/charset/Charset;
            aload 0 /* this */
            invokevirtual org.apache.catalina.authenticator.BasicAuthenticator.getTrimCredentials:()Z
            invokespecial org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials.<init>:(Lorg/apache/tomcat/util/buf/ByteChunk;Ljava/nio/charset/Charset;Z)V
            astore 5 /* credentials */
        10: .line 98
            aload 5 /* credentials */
            invokevirtual org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials.getUsername:()Ljava/lang/String;
            astore 6 /* username */
        start local 6 // java.lang.String username
        11: .line 99
            aload 5 /* credentials */
            invokevirtual org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials.getPassword:()Ljava/lang/String;
            astore 7 /* password */
        start local 7 // java.lang.String password
        12: .line 101
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.context:Lorg/apache/catalina/Context;
            invokeinterface org.apache.catalina.Context.getRealm:()Lorg/apache/catalina/Realm;
            aload 6 /* username */
            aload 7 /* password */
            invokeinterface org.apache.catalina.Realm.authenticate:(Ljava/lang/String;Ljava/lang/String;)Ljava/security/Principal;
            astore 8 /* principal */
        start local 8 // java.security.Principal principal
        13: .line 102
            aload 8 /* principal */
            ifnull 21
        14: .line 103
            aload 0 /* this */
            aload 1 /* request */
            aload 2 /* response */
            aload 8 /* principal */
        15: .line 104
            ldc "BASIC"
            aload 6 /* username */
            aload 7 /* password */
        16: .line 103
            invokevirtual org.apache.catalina.authenticator.BasicAuthenticator.register:(Lorg/apache/catalina/connector/Request;Ljakarta/servlet/http/HttpServletResponse;Ljava/security/Principal;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
        17: .line 105
            iconst_1
            ireturn
        end local 8 // java.security.Principal principal
        end local 7 // java.lang.String password
        end local 6 // java.lang.String username
        18: .line 108
      StackMap locals: org.apache.catalina.authenticator.BasicAuthenticator org.apache.catalina.connector.Request jakarta.servlet.http.HttpServletResponse org.apache.tomcat.util.buf.MessageBytes org.apache.tomcat.util.buf.ByteChunk org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials
      StackMap stack: java.lang.IllegalArgumentException
            astore 6 /* iae */
        start local 6 // java.lang.IllegalArgumentException iae
        19: .line 109
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.log:Lorg/apache/juli/logging/Log;
            invokeinterface org.apache.juli.logging.Log.isDebugEnabled:()Z
            ifeq 21
        20: .line 110
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.log:Lorg/apache/juli/logging/Log;
            new java.lang.StringBuilder
            dup
            ldc "Invalid Authorization"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 6 /* iae */
            invokevirtual java.lang.IllegalArgumentException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokeinterface org.apache.juli.logging.Log.debug:(Ljava/lang/Object;)V
        end local 6 // java.lang.IllegalArgumentException iae
        end local 5 // org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials credentials
        end local 4 // org.apache.tomcat.util.buf.ByteChunk authorizationBC
        21: .line 116
      StackMap locals:
      StackMap stack:
            new java.lang.StringBuilder
            dup
            bipush 16
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 4 /* value */
        start local 4 // java.lang.StringBuilder value
        22: .line 117
            aload 4 /* value */
            ldc "Basic realm=\""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        23: .line 118
            aload 4 /* value */
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.context:Lorg/apache/catalina/Context;
            invokestatic org.apache.catalina.authenticator.BasicAuthenticator.getRealmName:(Lorg/apache/catalina/Context;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        24: .line 119
            aload 4 /* value */
            bipush 34
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        25: .line 120
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.charsetString:Ljava/lang/String;
            ifnull 28
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.charsetString:Ljava/lang/String;
            invokevirtual java.lang.String.isEmpty:()Z
            ifne 28
        26: .line 121
            aload 4 /* value */
            ldc ", charset="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        27: .line 122
            aload 4 /* value */
            aload 0 /* this */
            getfield org.apache.catalina.authenticator.BasicAuthenticator.charsetString:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        28: .line 124
      StackMap locals: java.lang.StringBuilder
      StackMap stack:
            aload 2 /* response */
            ldc "WWW-Authenticate"
            aload 4 /* value */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokeinterface jakarta.servlet.http.HttpServletResponse.setHeader:(Ljava/lang/String;Ljava/lang/String;)V
        29: .line 125
            aload 2 /* response */
            sipush 401
            invokeinterface jakarta.servlet.http.HttpServletResponse.sendError:(I)V
        30: .line 126
            iconst_0
            ireturn
        end local 4 // java.lang.StringBuilder value
        end local 3 // org.apache.tomcat.util.buf.MessageBytes authorization
        end local 2 // jakarta.servlet.http.HttpServletResponse response
        end local 1 // org.apache.catalina.connector.Request request
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   31     0             this  Lorg/apache/catalina/authenticator/BasicAuthenticator;
            0   31     1          request  Lorg/apache/catalina/connector/Request;
            0   31     2         response  Ljakarta/servlet/http/HttpServletResponse;
            5   31     3    authorization  Lorg/apache/tomcat/util/buf/MessageBytes;
            8   21     4  authorizationBC  Lorg/apache/tomcat/util/buf/ByteChunk;
            9   21     5      credentials  Lorg/apache/catalina/authenticator/BasicAuthenticator$BasicCredentials;
           11   18     6         username  Ljava/lang/String;
           12   18     7         password  Ljava/lang/String;
           13   18     8        principal  Ljava/security/Principal;
           19   21     6              iae  Ljava/lang/IllegalArgumentException;
           22   31     4            value  Ljava/lang/StringBuilder;
      Exception table:
        from    to  target  type
           9    17      18  Class java.lang.IllegalArgumentException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      request   
      response  

  protected java.lang.String getAuthMethod();
    descriptor: ()Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
         0: .line 132
            ldc "BASIC"
            areturn
        end local 0 // org.apache.catalina.authenticator.BasicAuthenticator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/authenticator/BasicAuthenticator;
}
SourceFile: "BasicAuthenticator.java"
NestMembers:
  org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials
InnerClasses:
  public BasicCredentials = org.apache.catalina.authenticator.BasicAuthenticator$BasicCredentials of org.apache.catalina.authenticator.BasicAuthenticator