Class: PWN::Plugins::REPL::PwnAIInput

Inherits:
Object
  • Object
show all
Defined in:
lib/pwn/plugins/repl.rb

Overview

Custom input handler for pwn-ai to support multi-line submissions:

  • SHIFT+ENTER inserts a newline (continue editing)

  • plain ENTER submits the full prompt (possibly multi-line) to the AI

  • Multi-line pastes are supported (Reline handles n in buffer; submit with ENTER)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PwnAIInput

Returns a new instance of PwnAIInput.



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# File 'lib/pwn/plugins/repl.rb', line 23

def initialize
  @line_buffer = ''
end

Instance Attribute Details

#line_buffer ⇒ Object (readonly)

Returns the value of attribute line_buffer.



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# File 'lib/pwn/plugins/repl.rb', line 21

def line_buffer
  @line_buffer
end

Instance Method Details

#readline(prompt) ⇒ Object 



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# File 'lib/pwn/plugins/repl.rb', line 27

def readline(prompt)
  # Common escape sequences for SHIFT+ENTER across terminals (xterm, modern, etc.)
  shift_enter_seqs = [
    # Only SHIFT+ENTER (user requirement). Plain ENTER = submit.
    [27, 91, 49, 51, 59, 50, 126],      # \e[13;2~
    [27, 91, 49, 59, 50, 126],          # \e[1;2~
    [27, 13],                           # \e\r
    [27, 10],                           # \e\n
    [27, 91, 49, 51, 59, 50, 117],      # \e[13;2u
    [27, 91, 50, 55, 59, 50, 59, 49, 51, 126], # \e[27;2;13~
    [27, 91, 50, 55, 59, 50, 59, 49, 51, 117], # \e[27;2;13u
    [27, 91, 49, 51, 59, 50, 117],
    [27, 91, 49, 59, 50, 126],
    [27, 91, 50, 55, 59, 50, 59, 49, 51, 126]
  ]
  shift_enter_seqs.each do |seq|
    Reline.config.add_oneshot_key_binding(seq.bytes, :key_newline)
  end

  begin
    # readmultiline with confirm block that *always* returns true:
    #   => normal ENTER triggers finish/submit of the (multi-line) buffer
    # SHIFT+ENTER bytes trigger key_newline (insert \n, stay in edit)
    # Reline in multiline mode also handles multi-line pastes by splitting on \n in the buffer.
    @line_buffer = Reline.readmultiline(prompt, true) { |_buffer| true } || ''
  ensure
    Reline.config.reset_oneshot_key_bindings
  end
  @line_buffer
end

#tty? ⇒ Boolean

Compatibility with Pry input expectations (used by hooks for line_buffer, and possibly completer/tty checks)

Returns:

  • (Boolean) 


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# File 'lib/pwn/plugins/repl.rb', line 59

def tty?
  true
end

#winsize ⇒ Object 



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# File 'lib/pwn/plugins/repl.rb', line 63

def winsize
  [TTY::Screen.rows || 24, TTY::Screen.columns || 80]
end