From f1b43d43385c81788dab9103a4f9be7e02432852 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 6 Jan 2012 14:41:50 +0200 Subject: Improve array, captcha & cookie helpers --- system/helpers/captcha_helper.php | 78 ++++++++++++++------------------------- 1 file changed, 27 insertions(+), 51 deletions(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 668b034d4..40b6e5b23 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -1,13 +1,13 @@ - $val) { - if ( ! is_array($data)) + if ( ! is_array($data) && ( ! isset($$key) OR $$key == '')) { - if ( ! isset($$key) OR $$key == '') - { - $$key = $val; - } + $$key = $val; } else { @@ -70,22 +67,7 @@ if ( ! function_exists('create_captcha')) } } - if ($img_path == '' OR $img_url == '') - { - return FALSE; - } - - if ( ! @is_dir($img_path)) - { - return FALSE; - } - - if ( ! is_writable($img_path)) - { - return FALSE; - } - - if ( ! extension_loaded('gd')) + if ($img_path == '' OR $img_url == '' OR ! @is_dir($img_path) OR ! is_writeable($img_path) OR ! extension_loaded('gd')) { return FALSE; } @@ -94,21 +76,16 @@ if ( ! function_exists('create_captcha')) // Remove old images // ----------------------------------- - list($usec, $sec) = explode(" ", microtime()); + list($usec, $sec) = explode(' ', microtime()); $now = ((float)$usec + (float)$sec); $current_dir = @opendir($img_path); - while ($filename = @readdir($current_dir)) { - if ($filename != "." and $filename != ".." and $filename != "index.html") + if ($filename !== '.' && $filename !== '..' && $filename !== 'index.html' + && (str_replace('.jpg', '', $filename) + $expiration) < $now) { - $name = str_replace(".jpg", "", $filename); - - if (($name + $expiration) < $now) - { - @unlink($img_path.$filename); - } + @unlink($img_path.$filename); } } @@ -118,18 +95,17 @@ if ( ! function_exists('create_captcha')) // Do we have a "word" yet? // ----------------------------------- - if ($word == '') - { + if ($word == '') + { $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; - $str = ''; - for ($i = 0; $i < 8; $i++) + $word = ''; + for ($i = 0, $mt_rand_max = strlen($pool) - 1; $i < 8; $i++) { - $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1); + $word .= substr($pool, mt_rand(0, $mt_rand_max), 1); } - $word = $str; - } + } // ----------------------------------- // Determine angle and position @@ -138,7 +114,7 @@ if ( ! function_exists('create_captcha')) $length = strlen($word); $angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0; $x_axis = rand(6, (360/$length)-16); - $y_axis = ($angle >= 0 ) ? rand($img_height, $img_width) : rand(6, $img_height); + $y_axis = ($angle >= 0) ? rand($img_height, $img_width) : rand(6, $img_height); // ----------------------------------- // Create image @@ -180,18 +156,18 @@ if ( ! function_exists('create_captcha')) $circles = 20; $points = 32; - for ($i = 0; $i < ($circles * $points) - 1; $i++) + for ($i = 0, $cp = $circles * $points; $i < $cp - 1; $i++) { - $theta = $theta + $thetac; - $rad = $radius * ($i / $points ); + $theta += $thetac; + $rad = $radius * ($i / $points); $x = ($rad * cos($theta)) + $x_axis; $y = ($rad * sin($theta)) + $y_axis; - $theta = $theta + $thetac; + $theta += $thetac; $rad1 = $radius * (($i + 1) / $points); $x1 = ($rad1 * cos($theta)) + $x_axis; - $y1 = ($rad1 * sin($theta )) + $y_axis; + $y1 = ($rad1 * sin($theta)) + $y_axis; imageline($im, $x, $y, $x1, $y1, $grid_color); - $theta = $theta - $thetac; + $theta -= $thetac; } // ----------------------------------- @@ -213,18 +189,18 @@ if ( ! function_exists('create_captcha')) $y = $font_size+2; } - for ($i = 0; $i < strlen($word); $i++) + for ($i = 0; $i < $length; $i++) { if ($use_font == FALSE) { $y = rand(0 , $img_height/2); - imagestring($im, $font_size, $x, $y, substr($word, $i, 1), $text_color); + imagestring($im, $font_size, $x, $y, $word[$i], $text_color); $x += ($font_size*2); } else { $y = rand($img_height/2, $img_height-3); - imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1)); + imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, $word[$i]); $x += $font_size; } } @@ -255,4 +231,4 @@ if ( ! function_exists('create_captcha')) // ------------------------------------------------------------------------ /* End of file captcha_helper.php */ -/* Location: ./system/helpers/captcha_helper.php */ \ No newline at end of file +/* Location: ./system/helpers/captcha_helper.php */ -- cgit v1.2.3-24-g4f1b From 4f2933d28370ad965059222553d8ace1dd2fe602 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sun, 8 Jan 2012 06:49:49 +0200 Subject: Some more misc. stuff --- system/helpers/captcha_helper.php | 37 +++++++------------------------------ 1 file changed, 7 insertions(+), 30 deletions(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 40b6e5b23..89bff2366 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -67,7 +67,9 @@ if ( ! function_exists('create_captcha')) } } - if ($img_path == '' OR $img_url == '' OR ! @is_dir($img_path) OR ! is_writeable($img_path) OR ! extension_loaded('gd')) + if ($img_path == '' OR $img_url == '' + OR ! @is_dir($img_path) OR ! is_writeable($img_path) + OR ! extension_loaded('gd')) { return FALSE; } @@ -98,11 +100,10 @@ if ( ! function_exists('create_captcha')) if ($word == '') { $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; - $word = ''; for ($i = 0, $mt_rand_max = strlen($pool) - 1; $i < 8; $i++) { - $word .= substr($pool, mt_rand(0, $mt_rand_max), 1); + $word .= $pool[mt_rand(0, $mt_rand_max)]; } } @@ -110,46 +111,32 @@ if ( ! function_exists('create_captcha')) // ----------------------------------- // Determine angle and position // ----------------------------------- - $length = strlen($word); $angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0; $x_axis = rand(6, (360/$length)-16); $y_axis = ($angle >= 0) ? rand($img_height, $img_width) : rand(6, $img_height); - // ----------------------------------- // Create image - // ----------------------------------- - // PHP.net recommends imagecreatetruecolor(), but it isn't always available - if (function_exists('imagecreatetruecolor')) - { - $im = imagecreatetruecolor($img_width, $img_height); - } - else - { - $im = imagecreate($img_width, $img_height); - } + $im = function_exists('imagecreatetruecolor') + ? imagecreatetruecolor($img_width, $img_height) + : imagecreate($img_width, $img_height); // ----------------------------------- // Assign colors // ----------------------------------- - $bg_color = imagecolorallocate ($im, 255, 255, 255); $border_color = imagecolorallocate ($im, 153, 102, 102); $text_color = imagecolorallocate ($im, 204, 153, 153); $grid_color = imagecolorallocate($im, 255, 182, 182); $shadow_color = imagecolorallocate($im, 255, 240, 240); - // ----------------------------------- // Create the rectangle - // ----------------------------------- - ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color); // ----------------------------------- // Create the spiral pattern // ----------------------------------- - $theta = 1; $thetac = 7; $radius = 16; @@ -173,7 +160,6 @@ if ( ! function_exists('create_captcha')) // ----------------------------------- // Write the text // ----------------------------------- - $use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE; if ($use_font == FALSE) @@ -206,29 +192,20 @@ if ( ! function_exists('create_captcha')) } - // ----------------------------------- // Create the border - // ----------------------------------- - imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color); // ----------------------------------- // Generate the image // ----------------------------------- - $img_name = $now.'.jpg'; - ImageJPEG($im, $img_path.$img_name); - $img = "\""; - ImageDestroy($im); return array('word' => $word, 'time' => $now, 'image' => $img); } } -// ------------------------------------------------------------------------ - /* End of file captcha_helper.php */ /* Location: ./system/helpers/captcha_helper.php */ -- cgit v1.2.3-24-g4f1b From 63a21005ec657aa004b5ffc2b0965c1a201e4637 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 19 Jan 2012 15:13:32 +0200 Subject: Some more cleaning --- system/helpers/captcha_helper.php | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 89bff2366..0565457e2 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -9,7 +9,7 @@ * Licensed under the Open Software License version 3.0 * * This source file is subject to the Open Software License (OSL 3.0) that is - * bundled with this package in the files license.txt / license.rst. It is + * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: * http://opensource.org/licenses/OSL-3.0 * If you did not receive a copy of the license and are unable to obtain it @@ -170,7 +170,7 @@ if ( ! function_exists('create_captcha')) } else { - $font_size = 16; + $font_size = 16; $x = rand(0, $img_width/($length/1.5)); $y = $font_size+2; } @@ -192,7 +192,7 @@ if ( ! function_exists('create_captcha')) } - // Create the border + // Create the border imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color); // ----------------------------------- @@ -200,7 +200,7 @@ if ( ! function_exists('create_captcha')) // ----------------------------------- $img_name = $now.'.jpg'; ImageJPEG($im, $img_path.$img_name); - $img = "\""; + $img = ' '; ImageDestroy($im); return array('word' => $word, 'time' => $now, 'image' => $img); -- cgit v1.2.3-24-g4f1b From 5ad9e4ebba4ab8a8eb36952430d5a18978697360 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 20 Jan 2012 13:10:22 +0200 Subject: Replace AND with && --- system/helpers/captcha_helper.php | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 0565457e2..3b62da929 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter CAPTCHA Helper * @@ -160,7 +158,7 @@ if ( ! function_exists('create_captcha')) // ----------------------------------- // Write the text // ----------------------------------- - $use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE; + $use_font = ($font_path != '' && file_exists($font_path) && function_exists('imagettftext')); if ($use_font == FALSE) { -- cgit v1.2.3-24-g4f1b From 51a22815994cfd4522c78177e41f064ab8e53415 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Tue, 24 Jan 2012 15:27:34 +0200 Subject: Revert a space in the license agreement :) --- system/helpers/captcha_helper.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 3b62da929..c302a828b 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -9,7 +9,7 @@ * Licensed under the Open Software License version 3.0 * * This source file is subject to the Open Software License (OSL 3.0) that is - * bundled with this package in the files license.txt / license.rst. It is + * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: * http://opensource.org/licenses/OSL-3.0 * If you did not receive a copy of the license and are unable to obtain it -- cgit v1.2.3-24-g4f1b From 07c1ac830b4e98aa40f48baef3dd05fb68c0a836 Mon Sep 17 00:00:00 2001 From: Phil Sturgeon Date: Fri, 9 Mar 2012 17:03:37 +0000 Subject: Bumped CodeIgniter's PHP requirement to 5.2.4. Yes I know PHP 5.4 just came out, and yes I know PHP 5.3 has lovely features, but there are plenty of corporate systems running on CodeIgniter and PHP 5.3 still is not widely supported enough. CodeIgniter is great for distributed applications, and this is the highest we can reasonably go without breaking support. PHP 5.3 will most likely happen in another year or so. Fingers crossed on that one anyway... --- system/helpers/captcha_helper.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 668b034d4..583c2f10f 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -2,7 +2,7 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * -- cgit v1.2.3-24-g4f1b From 6b47711e85671fcfe1bd08ce80d23ca2e91e8e55 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Tue, 13 Mar 2012 12:24:07 +0200 Subject: Remove access description line --- system/helpers/captcha_helper.php | 1 - 1 file changed, 1 deletion(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 9ae959fbe..7dc5b3eec 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -40,7 +40,6 @@ /** * Create CAPTCHA * - * @access public * @param array array of data for the CAPTCHA * @param string path to create the image in * @param string URL to the CAPTCHA image folder -- cgit v1.2.3-24-g4f1b From e6f7d610b189e243ad48dcc3900a5c53cab2498d Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Tue, 20 Mar 2012 15:39:22 +0200 Subject: Remove EOF newlines --- system/helpers/captcha_helper.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 7dc5b3eec..96e8c51a3 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -204,4 +204,4 @@ if ( ! function_exists('create_captcha')) } /* End of file captcha_helper.php */ -/* Location: ./system/helpers/captcha_helper.php */ +/* Location: ./system/helpers/captcha_helper.php */ \ No newline at end of file -- cgit v1.2.3-24-g4f1b From 33101f42a8111a6e070cae495ec13e1e79207997 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Mon, 26 Mar 2012 21:53:37 +0300 Subject: Merge upstream branch --- system/helpers/captcha_helper.php | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 96e8c51a3..bdc3910db 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -101,7 +101,6 @@ if ( ! function_exists('create_captcha')) { $word .= $pool[mt_rand(0, $mt_rand_max)]; } - } // ----------------------------------- @@ -121,10 +120,10 @@ if ( ! function_exists('create_captcha')) // ----------------------------------- // Assign colors // ----------------------------------- - $bg_color = imagecolorallocate ($im, 255, 255, 255); - $border_color = imagecolorallocate ($im, 153, 102, 102); - $text_color = imagecolorallocate ($im, 204, 153, 153); - $grid_color = imagecolorallocate($im, 255, 182, 182); + $bg_color = imagecolorallocate($im, 255, 255, 255); + $border_color = imagecolorallocate($im, 153, 102, 102); + $text_color = imagecolorallocate($im, 204, 153, 153); + $grid_color = imagecolorallocate($im, 255, 182, 182); $shadow_color = imagecolorallocate($im, 255, 240, 240); // Create the rectangle -- cgit v1.2.3-24-g4f1b From a720961bcfa6b70b8d672b4861f8665763fc881a Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Mon, 26 Mar 2012 21:55:43 +0300 Subject: Some more minor improvements --- system/helpers/captcha_helper.php | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index bdc3910db..1e6ee3c07 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -54,13 +54,13 @@ if ( ! function_exists('create_captcha')) foreach ($defaults as $key => $val) { - if ( ! is_array($data) && ( ! isset($$key) OR $$key == '')) + if ( ! is_array($data) && empty($$key)) { $$key = $val; } else { - $$key = ( ! isset($data[$key])) ? $val : $data[$key]; + $$key = isset($data[$key]) ? $data[$key] : $val; } } -- cgit v1.2.3-24-g4f1b From 3419db1a5cc949e578dc5883d87a2ae45c375188 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Mon, 26 Mar 2012 22:00:07 +0300 Subject: Further improve a for() loop --- system/helpers/captcha_helper.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'system/helpers/captcha_helper.php') diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 1e6ee3c07..bdbc62097 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -138,7 +138,7 @@ if ( ! function_exists('create_captcha')) $circles = 20; $points = 32; - for ($i = 0, $cp = $circles * $points; $i < $cp - 1; $i++) + for ($i = 0, $cp = ($circles * $points) - 1; $i < $cp; $i++) { $theta += $thetac; $rad = $radius * ($i / $points); -- cgit v1.2.3-24-g4f1b