Class: Aerospike::AdminCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/aerospike/command/admin_command.rb

Overview

:nodoc:

Constant Summary collapse

SALT = 
'$2a$10$7EqJtq98hPqEX7fNZaFWoO'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AdminCommand

Returns a new instance of AdminCommand.



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# File 'lib/aerospike/command/admin_command.rb', line 51

def initialize
  @data_buffer = Buffer.get
  @data_offset =  8
end

Class Method Details

.hash_password(password) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 339

def self.hash_password(password)
  # Hashing the password with the cost of 10, with a static salt
  return BCrypt::Engine.hash_secret(password, SALT, :cost => 10)
end

Instance Method Details

#authenticate(conn, user, password) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 56

def authenticate(conn, user, password)
  begin
    set_authenticate(user, password)
    conn.write(@data_buffer, @data_offset)
    conn.read(@data_buffer, HEADER_SIZE)

    result = @data_buffer.read(RESULT_CODE)
    raise Exceptions::Aerospike.new(result, "Authentication failed") if result != 0
  ensure
    Buffer.put(@data_buffer)
  end
end

#change_password(cluster, policy, user, password) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 99

def change_password(cluster, policy, user, password)
  write_header(CHANGE_PASSWORD, 3)
  write_field_str(USER, user)
  write_field_bytes(OLD_PASSWORD, cluster.password)
  write_field_bytes(PASSWORD, password)
  execute_command(cluster, policy)
end

#create_user(cluster, policy, user, password, roles) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 78

def create_user(cluster, policy, user, password, roles)
  write_header(CREATE_USER, 3)
  write_field_str(USER, user)
  write_field_bytes(PASSWORD, password)
  write_roles(roles)
  execute_command(cluster, policy)
end

#drop_user(cluster, policy, user) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 86

def drop_user(cluster, policy, user)
  write_header(DROP_USER, 1)
  write_field_str(USER, user)
  execute_command(cluster, policy)
end

#execute_command(cluster, policy) ⇒ Object

Raises:



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# File 'lib/aerospike/command/admin_command.rb', line 200

def execute_command(cluster, policy)
  # TODO: Remove the workaround in the future
  sleep(0.010)

  write_size
  node = cluster.random_node

  timeout = 1
  timeout = policy.timeout if policy && policy.timeout > 0

  conn = node.get_connection(timeout)

  begin
    conn.write(@data_buffer, @data_offset)
    conn.read(@data_buffer, HEADER_SIZE)
    node.put_connection(conn)
  rescue => e
    conn.close if conn
    raise e
  end

  result = @data_buffer.read(RESULT_CODE)
  raise Exceptions::Aerospike.new(result) if result != 0

  Buffer.put(@data_buffer)
end

#grant_roles(cluster, policy, user, roles) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 107

def grant_roles(cluster, policy, user, roles)
  write_header(GRANT_ROLES, 2)
  write_field_str(USER, user)
  write_roles(roles)
  execute_command(cluster, policy)
end

#parse_roles(userRoles) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 321

def parse_roles(userRoles)
  size = @data_buffer.read(@data_offset)
  @data_offset += 1
  userRoles.roles = []

  i = 0
  while i < size
    len = @data_buffer.read(@data_offset)
    @data_offset += 1
    role = @data_buffer.read(@data_offset, len)
    @data_offset += len
    userRoles.roles << role

    i = i.succ
  end
end

#parse_users(receive_size) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 276

def parse_users(receive_size)
  @data_offset = 0
  list = []

  while @data_offset < receive_size
    result_code = @data_buffer.read(@data_offset+1)

    if result_code != 0
      return (result_code == QUERY_END ? -1 : result_code)
    end

    userRoles = UserRoles.new
    field_count = @data_buffer.read(@data_offset+3)
    @data_offset += HEADER_REMAINING

    i = 0
    while i  < field_count
      len = @data_buffer.read_int32(@data_offset)
      @data_offset += 4
      id = @data_buffer.read(@data_offset)
      @data_offset += 1
      len -= 1

      case id
      when USER
        userRoles.user = @data_buffer.read(@data_offset, len)
        @data_offset += len
      when ROLES
        parse_roles(userRoles)
      else
        @data_offset += len
      end

      i = i.succ
    end

    next if userRoles.user == "" && userRoles.roles == nil

    userRoles.roles = [] if userRoles.roles == nil
    list << userRoles
  end

  return 0, list
end

#query_user(cluster, policy, user) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 121

def query_user(cluster, policy, user)
  # TODO: Remove the workaround in the future
  sleep(0.010)

  list = []
  begin
    write_header(QUERY_USERS, 1)
    write_field_str(USER, user)
    list = read_users(cluster, policy)
    return (list.is_a?(Array) && list.length > 0 ? list.first : nil)
  ensure
    Buffer.put(@data_buffer)
  end
end

#query_users(cluster, policy) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 136

def query_users(cluster, policy)
  # TODO: Remove the workaround in the future
  sleep(0.010)
  begin
    write_header(QUERY_USERS, 0)
    return read_users(cluster, policy)
  ensure
    Buffer.put(@data_buffer)
  end
end

#read_user_blocks(conn) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 251

def read_user_blocks(conn)
  rlist = []
  status = 0
  begin
    while status == 0
      conn.read(@data_buffer, 8)
      size = @data_buffer.read_int64(0)
      receive_size = (size & 0xFFFFFFFFFFFF)

      if receive_size > 0
        @data_buffer.resize(receive_size) if receive_size > @data_buffer.size

        conn.read(@data_buffer, receive_size)
        status, list = parse_users(receive_size)
        rlist.concat(list.to_a)
      else
        break
      end
    end
    return status, rlist
  rescue
    return -1, []
  end
end

#read_users(cluster, policy) ⇒ Object

Raises:



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# File 'lib/aerospike/command/admin_command.rb', line 227

def read_users(cluster, policy)
  write_size
  node = cluster.random_node

  timeout = 1
  timeout = policy.timeout if policy != nil && policy.timeout > 0

  status = -1
  list = []
  begin
    conn = node.get_connection(timeout)
    conn.write(@data_buffer, @data_offset)
    status, list = read_user_blocks(conn)
    node.put_connection(conn)
  rescue => e
    conn.close if conn
    raise e
  end

  raise Exceptions::Aerospike.new(result) if status > 0

  return list
end

#revoke_roles(cluster, policy, user, roles) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 114

def revoke_roles(cluster, policy, user, roles)
  write_header(REVOKE_ROLES, 2)
  write_field_str(USER, user)
  write_roles(roles)
  execute_command(cluster, policy)
end

#set_authenticate(user, password) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 69

def set_authenticate(user, password)
  write_header(AUTHENTICATE, 2)
  write_field_str(USER, user)
  write_field_bytes(CREDENTIAL, password)
  write_size

  return @data_offset
end

#set_password(cluster, policy, user, password) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 92

def set_password(cluster, policy, user, password)
  write_header(SET_PASSWORD, 2)
  write_field_str(USER, user)
  write_field_bytes(PASSWORD, password)
  execute_command(cluster, policy)
end

#write_field_bytes(id, bytes) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 187

def write_field_bytes(id, bytes)
  @data_buffer.write_binary(bytes, @data_offset+FIELD_HEADER_SIZE)
  write_field_header(id, bytes.bytesize)
  @data_offset += bytes.bytesize
end

#write_field_header(id, size) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 193

def write_field_header(id, size)
  @data_buffer.write_int32(size+1, @data_offset)
  @data_offset += 4
  @data_buffer.write_byte(id, @data_offset)
  @data_offset += 1
end

#write_field_str(id, str) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 181

def write_field_str(id, str)
  len = @data_buffer.write_binary(str, @data_offset+FIELD_HEADER_SIZE)
  write_field_header(id, len)
  @data_offset += len
end

#write_header(command, field_count) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 169

def write_header(command, field_count)
  # Authenticate header is almost all zeros
  i = @data_offset
  while i < @data_offset+16
    @data_buffer.write_byte(0, i)
    i = i.succ
  end
  @data_buffer.write_byte(command, @data_offset+2)
  @data_buffer.write_byte(field_count, @data_offset+3)
  @data_offset += 16
end

#write_roles(roles) ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 147

def write_roles(roles)
  offset = @data_offset + FIELD_HEADER_SIZE
  @data_buffer.write_byte(roles.length.ord, offset)
  offset += 1

  roles.each do |role|
    len = @data_buffer.write_binary(role, offset+1)
    @data_buffer.write_byte(len, offset)
    offset += len + 1
  end

  size = offset - @data_offset - FIELD_HEADER_SIZE
  write_field_header(ROLES, size)
  @data_offset = offset
end

#write_size ⇒ Object 



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# File 'lib/aerospike/command/admin_command.rb', line 163

def write_size
  # Write total size of message which is the current offset.
  size = Integer(@data_offset-8) | Integer(MSG_VERSION << 56) | Integer(MSG_TYPE << 48)
  @data_buffer.write_int64(size, 0)
end