Am facut rost de un script care afiseaza un cod de securitate:
Eu i-am dar numele de security.php.PHP Cod:<?php
session_start();
/*
* File: security.php
* Author: Simon Jarvis
* Copyright: 2006 Simon Jarvis
* Date: 03/08/06
* Updated: 07/02/07
* Requirements: PHP 4/5 with GD and FreeType libraries
* Link: http://www.white-hat-web-design.co.uk/articles/php-captcha.php
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
* http://www.gnu.org/licenses/gpl.html
*
*/
class CaptchaSecurityImages {
var $font = 'monofont.ttf';
function generateCode($characters) {
/* list all possible characters, similar looking characters and vowels have been removed */
$possible = '23456789bcdfghjkmnpqrstvwxyz';
$code = '';
$i = 0;
while ($i < $characters) {
$code .= substr($possible, mt_rand(0, strlen($possible)-1), 1);
$i++;
}
return $code;
}
function CaptchaSecurityImages($width='120',$height='40',$characters='6') {
$code = $this->generateCode($characters);
/* font size will be 75% of the image height */
$font_size = $height * 0.75;
$image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream');
/* set the colours */
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 100, 120, 180);
/* generate random dots in background */
for( $i=0; $i<($width*$height)/3; $i++ ) {
imagefilledellipse($image, mt_rand(0,$width), mt_rand(0,$height), 1, 1, $noise_color);
}
/* generate random lines in background */
for( $i=0; $i<($width*$height)/150; $i++ ) {
imageline($image, mt_rand(0,$width), mt_rand(0,$height), mt_rand(0,$width), mt_rand(0,$height), $noise_color);
}
/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4])/2;
$y = ($height - $textbox[5])/2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font , $code) or die('Error in imagettftext function');
/* output captcha image to browser */
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$_SESSION['security_code'] = $code;
}
}
$width = isset($_GET['width']) ? $_GET['width'] : '120';
$height = isset($_GET['height']) ? $_GET['height'] : '40';
$characters = isset($_GET['characters']) && $_GET['characters'] > 1 ? $_GET['characters'] : '6';
$captcha = new CaptchaSecurityImages($width,$height,$characters);
?>
Dar nu stiu de ce da eroare in scriptul asta:
Spuneti-mi ce este gresit.PHP Cod:<?
if (isset($_COOKIE["user"])) {
} else {
include ('config.php');
extract($_POST);
if (!$name) {
echo "<div align=\"center\"><form method=\"post\" action=\"register.php\">\n";
echo "User<input type=\"text\" name=\"name\" size=\"25\" maxlength=\"15\" title=\"Name\" class=\"SB_input\"><br>\n";
echo "Email<input type=\"text\" name=\"mail\" size=\"35\" maxlength=\"35\" title=\"Name\" class=\"SB_input\"><br>\n";
echo "Parola<input type=\"password\" name=\"pass\" size=\"25\" maxlength=\"15\" title=\"Message\" class=\"SB_input\"><br>\n";
echo "<img src=\"security.php?width=100&height=40&characters=5\"><br>\n";
echo "<input type=\"hidden\" name=\"img\" value=\"any.jpg\" size=\"25\" maxlength=\"15\" title=\"Message\" class=\"SB_input\">\n";
echo "Cod securitate:<input type=\"text\" name=\"cod\" size=\"10\" maxlength=\"5\" title=\"Name\" class=\"SB_input\"><br>\n";
echo "<input type=\"submit\" name=\"submit\" value=\":: send ::\" class=\"SB_button\">\n";
echo "<input type=\"button\" name=\"refresh_it\" value=\":: refresh ::\" class='SB_button' onclick=\"window.open('register.php','_self');\">\n";
$e = $_SESSION['security_code'];
}
elseif (!$_SESSION['security_code']) { echo "Eroare."; }
elseif (!$cod) {
echo "1Cod de securitate greist!";
}
elseif ($e !== $cod) {
echo "2Code de securitate gresit!";
}
elseif (!$pass) {
echo "Nu ai introdus o parola!";
}
elseif (!$mail) {
echo "Nu ai introdus un mail!";
} else {
mysql_connect(localhost,$user,$password);
@mysql_select_db($database) or die( "Unable to select database");
$query="SELECT * FROM users WHERE user='$name'";
$result=mysql_query($query);
$ba=mysql_result($result,0,"user");
if ($ba) {
echo "Userul $name deja exista.";
} else {
mysql_connect(localhost,$user,$password);
@mysql_select_db($database) or die( "Unable to select database");
$query = "INSERT INTO users VALUES ('','$name','$pass','$mail','$img')";
mysql_query($query);
mysql_close();
}
}
}
?>
Raspunde cu citat
Greseala mea.
