File: /storage/v12674/endtheignorance/public_html/wp-content/plugins/wpterm/wpterm-terminal.js
/*
+=====================================================================+
| __ ______ _____ |
| \ \ / / _ \_ _|__ _ __ _ __ ___ |
| \ \ /\ / /| |_) || |/ _ \ '__| '_ ` _ \ |
| \ V V / | __/ | | __/ | | | | | | | |
| \_/\_/ |_| |_|\___|_| |_| |_| |_| |
| |
| (c) Jerome Bruandet ~ https://nintechnet.com/ |
+=====================================================================+
*/
var wpterm_debug = 0;
var prompt_buffer = last_login + prompt;
var prompt_length = prompt_buffer.length;
var command;
var history_buffer = [];
var history_pos = 0;
var running = 0;
var ajax_hnd;
// Audible bell (not compatible with IE <=11):
var snd = new Audio("data:audio/wav;base64,UklGRkgBAABXQVZFZm10IBAAAAABAAEAESsA" +
"ABErAAABAAgAZGF0YSQBAACBf359cm9rgaB5lQOF/6NVG6Gop49deZGkmF1IkaOhYUSKpoZqTE+c" +
"op5tUnSNkYZ1gIeOfXt7iIeEd3mDhISCfoF8fYKCgH+HiYV9foWJhn9/gIeGgXx/hYZ+fX6FgH9/" +
"f3+CgoF7eYKMhn99gYV/fn6FhoF/f399f4OChIF9gYGBe4CDhIN9fn+CgH6AgoSAgICAgIGAf4F/" +
"f4CBfoB/gIF/gICAgH9+gYGAgIF/gH9+gX9/f4F/gYJ/gH6AgICAf39/f4F/f3+BfoF/gH5/gYB/" +
"gIF/enl4fH2Bg4aGhYJ/fn9+gYKEg4KAfnx9f4CAg4KBgIB9f4CBg4OCgYGBgICBgYGAgoCAgIB/" +
"gX+Bf4CAgYCAf4GBgYCBgICBgoGBgIB/");
// Display the current prompt and position cursor:
jQuery( "#terminal" ).val( prompt_buffer );
set_cursor_position( document.getElementById("terminal"), prompt_length );
/* ================================================================== */
// Increase/decrease font size:
function font_size( choice ) {
var current_font = parseInt( jQuery("#terminal" ).css( 'font-size' ) );
if ( choice == 1 ) {
if ( current_font < 20 ) {
++current_font;
}
} else {
if ( current_font >= 9 ) {
--current_font;
}
}
jQuery( '#terminal' ).css( 'font-size', current_font + 'px' );
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
}
// Enable/disable line wrapping
function line_wrapping( what ) {
if ( jQuery('#terminal').attr( 'wrap' ) == 'off' ) {
jQuery('#terminal').attr( 'wrap', 'soft' );
jQuery('#wrap-line').attr( 'title', wrap_on );
} else {
jQuery('#terminal').attr( 'wrap', 'off' );
jQuery('#wrap-line').attr( 'title', wrap_off );
}
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
}
// Reposition the cursor:
function set_cursor_position( what, where ) {
if ( what.setSelectionRange ) {
what.focus();
what.setSelectionRange( where, where );
// IE only:
} else if ( what.createTextRange ) {
var range = what.createTextRange();
range.collapse( true );
range.moveEnd( 'character', where );
range.moveStart( 'character', where );
range.select();
}
}
/* ================================================================== */
// Hook keydown and paste events:
jQuery( "#terminal" ).bind('keydown paste', function( event ) {
// Clear error class
if ( jQuery( '#terminal' ).hasClass( 'error' ) ) {
jQuery( '#terminal' ).removeClass( 'error' );
}
// Initialise/clear some data:
var data_returned = '';
var command = '';
// We are aleady waiting for an answer?
if ( running == 1 ) {
// CTRL + c key pressed (stop execution)?
if ( event.ctrlKey || event.metaKey ) {
if ( event.which == 67 ) {
ajax_hnd.abort()
return false;
}
// Warn the user:
} else {
alert( in_progress );
return false;
}
}
// Scroll down to the prompt if a key is pressed (does not affect mouse),
if ( event.which ) {
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
}
// Get the cursor position:
var cursor = get_cursor_position( 'terminal' );
if ( wpterm_debug == 1 ) {
console.log( 'WPTerm: Cursor position is ' + cursor );
}
// Left, backspace or home key pressed?
if ( event.which == 8 || event.which == 37 || event.which == 36 ) {
// Home key: move the cursor right after the prompt,
// instead of the beginning of the current line:
if ( event.which == 36 ) {
set_cursor_position( document.getElementById("terminal"), prompt_length );
return false;
}
// Force to output text after the prompt only:
if ( cursor == prompt_length ) {
if ( visual_bell ) { visbell(); }
if ( audible_bell ) { beep(); }
return false;
}
if ( cursor < prompt_length ) {
set_cursor_position( document.getElementById("terminal"), document.getElementById("terminal").value.length );
return false;
}
return true;
}
// Re-position the cursor, if it was moved elsewhere before the prompt:
if ( cursor < prompt_length ) {
set_cursor_position( document.getElementById("terminal"), document.getElementById("terminal").value.length );
if ( wpterm_debug == 1 ) {
console.log( 'WPTerm: Repositionning cursor to end of buffer' );
}
// Let it go...
}
// UP arrow pressed?
if ( event.which == 38 ) {
if ( typeof history_buffer[history_pos] !== 'undefined' && history_buffer[history_pos] !== null ) {
jQuery( '#terminal' ).val( prompt_buffer + history_buffer[history_pos] );
++history_pos;
} else {
// Bell, don't update:
if ( visual_bell ) { visbell(); }
if ( audible_bell ) { beep(); }
}
// Force to scroll down (Opera, Chrome...):
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
return false;
}
// DOWN arror pressed?
if ( event.which == 40 ) {
if ( typeof history_buffer[history_pos - 1 ] !== 'undefined' && history_buffer[history_pos - 1 ] !== null ) {
jQuery( '#terminal' ).val( prompt_buffer + history_buffer[ history_pos - 1 ] );
--history_pos;
} else {
// Update with prompt only:
jQuery( '#terminal' ).val( prompt_buffer );
if ( visual_bell ) { visbell(); }
if ( audible_bell ) { beep(); }
}
// Force to scroll down (Opera, Chrome...):
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
return false;
}
// TAB key pressed?
if ( event.which == 9 ) {
event.preventDefault();
// TAB completion is disabled?
if ( emul_tab != 1 ) {
data_returned = '\nWPTerm: ' + emul_tab_msg;
if ( audible_bell ) { beep(); }
update_request();
if ( visual_bell ) { visbell(); }
return false;
}
command = jQuery( '#terminal' ).val().substring( prompt_length );
// No command entered yet?
if ( command == '' ) {
if ( visual_bell ) { visbell(); }
if ( audible_bell ) { beep(); }
return false;
}
// There is something, let's check if it matches any command from the history buffer:
var completion_buffer = [];
for ( var i = 0; i < history_buffer.length; ++i ) {
var match_command = history_buffer[i].substring( 0, command.length );
if ( match_command == command ) {
completion_buffer[i] = history_buffer[i];
}
}
// Remove duplicates:
completion_buffer = completion_buffer.filter( function( item, index, input_array ) {
return input_array.indexOf( item ) == index;
});
// We found something:
if ( completion_buffer.length > 0 ) {
// We only have one occurrence, display it:
if ( completion_buffer.length == 1 ) {
if ( wpterm_debug == 1 ) {
console.log( 'WPTerm: 1 TAB completion occurrence found: ' +
completion_buffer[0] );
}
jQuery( "#terminal" ).val( prompt_buffer + completion_buffer[0] + ' ' );
// We have more than one occurence, show them all (one by line):
} else {
var multi_occurrences = '';
for ( var i = 0; i < completion_buffer.length; ++i ) {
if ( typeof completion_buffer[i] !== 'undefined' && completion_buffer[i] !== null ) {
multi_occurrences += '\n ' + completion_buffer[i];
}
}
if ( wpterm_debug == 1 ) {
console.log( 'WPTerm: ' + completion_buffer.length +
' TAB completion occurrences found: ' +
multi_occurrences );
}
// Update prompt:
prompt_buffer += multi_occurrences + "\n" + prompt;
prompt_length = prompt_buffer.length;
jQuery( "#terminal" ).val( prompt_buffer + command );
// Make sure to scroll to the bottom if needed:
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
}
} else {
// Nothing found:
if ( visual_bell ) { visbell(); }
if ( audible_bell ) { beep(); }
}
return false;
}
// CTRL+L key pressed (clear screen):
if ( ( event.ctrlKey || event.metaKey ) && event.which == 76 ) {
clear_screen( 1 );
return false;
}
// ENTER key pressed:
if ( event.which == 13 ) {
// Retrieve and trim the command:
command = jQuery.trim( jQuery( '#terminal' ).val().substring( prompt_length ) );
// Make sure we have a command:
if ( command != '' ) {
// Check for built-in commands first:
// Clear screen commands (CTRL-L is handled separately):
if ( command == 'clear' || command == 'reset' || command == 'cls' ) {
clear_screen( 0 );
return false;
// Logout & al. commands:
} else if ( command.match( /^(exit|logout|quit|reboot|shutdown)$/ ) ) {
if ( confirm( logout_msg ) ) {
window.location.replace( logout_url);
}
data_returned = '\nWPTerm: ' + op_cancelled;
update_request();
return false;
// Have you mooed today?
} else if ( command == 'wpterm moo' ) {
data_returned = '\n m00h (__)\n \x5c ~Oo~___\n ' +
' (..) |\x5c/\n___________| |"|_____________';
update_request();
return false;
} else if ( command.match( /^(version$|wpterm\b)/ ) ) {
data_returned = version;
update_request();
return false;
// Warning notice:
} else if ( command == 'notice' ) {
jQuery( "#wpterm-warning" ).slideDown();
update_request();
return false;
// Contextual help:
} else if ( command == 'help' ) {
jQuery( "#contextual-help-link" ).trigger( "click" );
update_request();
return false;
} else if ( command.match( /^iptables/ ) ) {
data_returned = '\nWPTerm: ' + iptables;
update_request();
return false;
// History command:
} else if ( command == 'history' ) {
var x = 1;
for ( var i = history_buffer.length; i >= 0 ; --i ) {
if ( typeof history_buffer[i] !== 'undefined' && history_buffer[i] !== null ) {
data_returned += '\n ' + x++ + ' ' + history_buffer[i];
}
}
// Add the `history` command too:
data_returned += '\n ' + x++ + ' history';
update_request();
return false;
// Clear history command:
} else if ( command == 'history -c' ) {
history_buffer.length = 0;
update_request();
return false;
// Run it!
} else {
run_command();
}
// No command (empty line):
} else {
update_request();
}
return false;
} // ENTER key pressed:
// Update screen with command and prompt:
function update_request() {
// Update prompt:
update_prompt();
// Save the command to history buffer if it is not empty,
// but don't save the `history -c` command:
if ( command != '' && command != 'history -c' ) {
history_buffer.unshift( command );
}
// Reset history_pos:
history_pos = 0;
}
function update_prompt() {
// Build the terminal output:
prompt_buffer += command + data_returned + "\n" + prompt;
// Turn the whole string into an array...
var res_array = prompt_buffer.split( "\n" );
// ...keep only the last `scrollback` lines...
res_array = res_array.slice( - scrollback );
// ...re-create the string...
prompt_buffer = res_array.join( "\n" );
prompt_length = prompt_buffer.length;
// ...and refresh the terminal:
jQuery( "#terminal" ).val( prompt_buffer );
// Make sure to scroll to the bottom if needed:
jQuery( '#terminal' ).scrollTop( jQuery( '#terminal' )[0].scrollHeight );
}
function clear_screen( ev ) {
// Used for CTRL-L key only:
if ( ev == 1 ) {
event.preventDefault();
}
jQuery( '#terminal' ).val( prompt );
prompt_buffer = prompt;
prompt_length = prompt_buffer.length;
// Don't save CTRL-L to history buffer!
if ( ev != 1 ) {
history_buffer.unshift( command );
}
}
function get_cursor_position( what ) {
return document.getElementById( what ).selectionStart
}
// Visual bell:
function visbell() {
jQuery( '#terminal' ).addClass( 'error' );
}
// Audible bell:
function beep() {
snd.play();
}
// Run a command via WordPress admin-ajax:
function run_command() {
if ( wpterm_debug == 1 ) {
console.log( 'WPTerm: Sending AJAX POST request to run command: `' +
command + '` (via PHP "' + exec + '") from current working directory "' +
cwd + '"' );
}
// We're busy:
running = 1;
jQuery('#progress_gif').show();
var data = {
'action': 'wptermajax',
'wpterm_ajax_nonce': wpterm_ajax_nonce,
'cmd': btoa( command ),
'cwd': cwd,
'exec': exec,
'abs': abspath,
'scrollback': scrollback
};
ajax_hnd = jQuery.ajax( {
// No timeout, the user can abort by pressing CTRL+C:
type: "POST",
url: ajaxurl,
data: data,
dataType: "text",
success: function( response ) {
var res = response.split( '::' );
// We may have more than one '::' occurrence:
res.push( res.splice( 1 ).join( '::' ) );
if ( res[0] != '' ) {
cwd = res[0];
prompt = user + ':' + res[0] + ' $ ';
if ( res[1] != '' ) {
// Data to outpout. We don't need to sanitise it,
// because the DOM is ready:
data_returned = '\n' + res[1];
} else {
// Avoid empty new lines if no data was
// returned (e.g., `cd /` etc):
data_returned = '';
}
} else {
// We are seriously in trouble 8-X
data_returned = '\n' + unknown_err;
}
// Update screen:
update_request();
// We're no longer busy:
jQuery('#progress_gif').hide();
running = 0;
},
error: function( xhr, status, err ) {
data_returned = '\nwpterm error: ' + err;
update_request();
jQuery('#progress_gif').hide();
running = 0;
}
});
};
});
/* ================================================================== */
// EOF