mirror of
https://github.com/claudehohl/Stikked.git
synced 2025-04-25 20:41:20 -05:00
display captcha (live)
This commit is contained in:
Claude
parent
2a901d31ec
commit
c770119511
@ -47,6 +47,7 @@ $route['view/raw/:any'] = 'main/raw';
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$route['view/rss/:any'] = 'main/rss';
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$route['view/embed/:any'] = 'main/embed';
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$route['view/download/:any'] = 'main/download';
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$route['view/captcha'] = 'main/captcha';
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$route['view/:any'] = 'main/view';
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$route['lists'] = 'main/lists';
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$route['lists/rss'] = 'main/lists/rss';
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@ -13,6 +13,7 @@
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* - view()
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* - cron()
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* - about()
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* - captcha()
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* - _valid_lang()
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* - get_cm_js()
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* - error_404()
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@ -386,7 +387,8 @@ class Main extends CI_Controller
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function captcha()
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{
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$this->load->view('captcha');
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$this->load->helper('captcha');
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$this->load->view('view/captcha');
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}
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function _valid_lang($lang)
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@ -1,4 +1,13 @@
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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<?php
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/**
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* Class and Function List:
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* Function list:
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* - create_captcha()
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* - display_captcha()
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* Classes list:
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*/
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if (!defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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@ -37,16 +46,27 @@
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* @param string server path to font
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* @return string
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*/
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if (!function_exists('create_captcha'))
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{
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function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
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{
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$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200);
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$defaults = array(
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'word' => '',
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'img_path' => '',
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'img_url' => '',
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'img_width' => '150',
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'img_height' => '30',
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'font_path' => '',
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'expiration' => 7200
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);
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foreach ($defaults as $key => $val)
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{
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if (!is_array($data))
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{
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if (!isset($$key) OR $$key == '')
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{
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$$key = $val;
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@ -80,15 +100,15 @@ if ( ! function_exists('create_captcha'))
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// -----------------------------------
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// Remove old images
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// -----------------------------------
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list($usec, $sec) = explode(" ", microtime());
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$now = ((float)$usec + (float)$sec);
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$current_dir = @opendir($img_path);
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while ($filename = @readdir($current_dir))
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{
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if ($filename != "." and $filename != ".." and $filename != "index.html")
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{
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$name = str_replace(".jpg", "", $filename);
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@ -99,28 +119,28 @@ if ( ! function_exists('create_captcha'))
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}
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}
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}
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@closedir($current_dir);
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// -----------------------------------
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// Do we have a "word" yet?
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// -----------------------------------
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if ($word == '')
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{
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$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$str = '';
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for ($i = 0;$i < 8;$i++)
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{
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$str.= substr($pool, mt_rand(0, strlen($pool) - 1) , 1);
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}
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$word = $str;
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}
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// -----------------------------------
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// Determine angle and position
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// -----------------------------------
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$length = strlen($word);
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@ -130,9 +150,12 @@ if ( ! function_exists('create_captcha'))
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// -----------------------------------
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// Create image
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// -----------------------------------
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// PHP.net recommends imagecreatetruecolor(), but it isn't always available
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if (function_exists('imagecreatetruecolor'))
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{
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$im = imagecreatetruecolor($img_width, $img_height);
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@ -144,6 +167,7 @@ if ( ! function_exists('create_captcha'))
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// -----------------------------------
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// Assign colors
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// -----------------------------------
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$bg_color = imagecolorallocate($im, 255, 255, 255);
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@ -154,12 +178,14 @@ if ( ! function_exists('create_captcha'))
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// -----------------------------------
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// Create the rectangle
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// -----------------------------------
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ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
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// -----------------------------------
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// Create the spiral pattern
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// -----------------------------------
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$theta = 1;
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@ -167,7 +193,6 @@ if ( ! function_exists('create_captcha'))
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$radius = 16;
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$circles = 20;
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$points = 32;
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for ($i = 0;$i < ($circles * $points) - 1;$i++)
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{
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$theta = $theta + $thetac;
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@ -184,6 +209,7 @@ if ( ! function_exists('create_captcha'))
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// -----------------------------------
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// Write the text
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// -----------------------------------
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$use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE;
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@ -200,9 +226,9 @@ if ( ! function_exists('create_captcha'))
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$x = rand(0, $img_width / ($length / 1.5));
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$y = $font_size + 2;
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}
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for ($i = 0;$i < strlen($word);$i++)
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{
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if ($use_font == FALSE)
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{
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$y = rand(0, $img_height / 2);
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@ -217,45 +243,59 @@ if ( ! function_exists('create_captcha'))
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}
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}
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// -----------------------------------
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// Create the border
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// -----------------------------------
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imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $border_color);
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// -----------------------------------
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// Generate the image
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// -----------------------------------
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$img_name = $now . '.jpg';
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ImageJPEG($im, $img_path . $img_name);
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$img = "<img src=\"$img_url$img_name\" width=\"$img_width\" height=\"$img_height\" style=\"border:0;\" alt=\" \" />";
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ImageDestroy($im);
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return array('word' => $word, 'time' => $now, 'image' => $img);
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return array(
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'word' => $word,
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'time' => $now,
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'image' => $img
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);
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}
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}
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/**
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* Display CAPTCHA
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*
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* @access public
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* @return string
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*/
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if (!function_exists('display_captcha'))
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{
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function display_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
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{
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$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200);
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function display_captcha($word = '')
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{
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$data = '';
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list($usec, $sec) = explode(" ", microtime());
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$now = ((float)$usec + (float)$sec);
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$defaults = array(
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'word' => $word,
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'img_path' => '',
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'img_url' => '',
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'img_width' => '150',
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'img_height' => '30',
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'font_path' => '',
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'expiration' => 7200
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);
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foreach ($defaults as $key => $val)
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{
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if (!is_array($data))
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{
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if (!isset($$key) OR $$key == '')
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{
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$$key = $val;
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@ -267,69 +307,31 @@ if ( ! function_exists('display_captcha'))
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}
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}
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if ($img_path == '' OR $img_url == '')
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{
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return FALSE;
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}
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if ( ! @is_dir($img_path))
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{
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return FALSE;
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}
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if ( ! is_writable($img_path))
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{
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return FALSE;
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}
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if (!extension_loaded('gd'))
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{
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return FALSE;
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}
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// -----------------------------------
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// Remove old images
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// -----------------------------------
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list($usec, $sec) = explode(" ", microtime());
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$now = ((float)$usec + (float)$sec);
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$current_dir = @opendir($img_path);
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while ($filename = @readdir($current_dir))
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{
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if ($filename != "." and $filename != ".." and $filename != "index.html")
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{
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$name = str_replace(".jpg", "", $filename);
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if (($name + $expiration) < $now)
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{
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@unlink($img_path.$filename);
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}
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}
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}
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@closedir($current_dir);
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// -----------------------------------
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// Do we have a "word" yet?
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// -----------------------------------
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if ($word == '')
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{
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$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$str = '';
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for ($i = 0;$i < 8;$i++)
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{
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$str.= substr($pool, mt_rand(0, strlen($pool) - 1) , 1);
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}
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$word = $str;
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}
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// -----------------------------------
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// Determine angle and position
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// -----------------------------------
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$length = strlen($word);
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@ -339,9 +341,12 @@ if ( ! function_exists('display_captcha'))
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// -----------------------------------
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// Create image
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// -----------------------------------
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// PHP.net recommends imagecreatetruecolor(), but it isn't always available
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if (function_exists('imagecreatetruecolor'))
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{
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$im = imagecreatetruecolor($img_width, $img_height);
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@ -353,6 +358,7 @@ if ( ! function_exists('display_captcha'))
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// -----------------------------------
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// Assign colors
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// -----------------------------------
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$bg_color = imagecolorallocate($im, 255, 255, 255);
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@ -363,12 +369,14 @@ if ( ! function_exists('display_captcha'))
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// -----------------------------------
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// Create the rectangle
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// -----------------------------------
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ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
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// -----------------------------------
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// Create the spiral pattern
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// -----------------------------------
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$theta = 1;
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@ -376,7 +384,6 @@ if ( ! function_exists('display_captcha'))
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$radius = 16;
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$circles = 20;
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$points = 32;
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for ($i = 0;$i < ($circles * $points) - 1;$i++)
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{
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$theta = $theta + $thetac;
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@ -393,6 +400,7 @@ if ( ! function_exists('display_captcha'))
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// -----------------------------------
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// Write the text
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// -----------------------------------
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$use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE;
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@ -409,9 +417,9 @@ if ( ! function_exists('display_captcha'))
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$x = rand(0, $img_width / ($length / 1.5));
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$y = $font_size + 2;
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}
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for ($i = 0;$i < strlen($word);$i++)
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{
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if ($use_font == FALSE)
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{
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$y = rand(0, $img_height / 2);
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@ -426,26 +434,26 @@ if ( ! function_exists('display_captcha'))
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}
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}
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// -----------------------------------
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// Create the border
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// -----------------------------------
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imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $border_color);
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// -----------------------------------
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// Generate the image
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// -----------------------------------
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$img_name = $now . '.jpg';
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echo ImageJPEG($im);
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ImageDestroy($im);
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}
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}
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// ------------------------------------------------------------------------
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/* End of file captcha_helper.php */
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/* Location: ./system/heleprs/captcha_helper.php */
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@ -102,6 +102,8 @@
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<input type="hidden" value="<?php echo $reply; ?>" name="reply" />
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<?php }?>
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<img src="<?php echo site_url('view/captcha'); ?>" alt="" />
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<div><button type="submit" value="submit" name="submit">Create</button></div>
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<div class="spacer"></div>
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</form>
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@ -1,4 +1,3 @@
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<?php
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header('Content-type: text/plain');
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header('Content-disposition: attachment');
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header('Content-type: image/jpeg');
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display_captcha();
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