php在线生成ico文件的代码- PHP - 软晨网（RuanChen.com）

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PHP 中的 php在线生成ico文件的代码

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-13 浏览: 224 ::

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pw的一个放后门的方法分析一个图形显示IP的PHP程序代码

index.php

复制代码代码如下:

<?PHP 
$output = ""; 
if(isset($_GET['action'])&&$_GET['action'] == 'make'){ 
 if(isset($_FILES['upimage']['tmp_name']) && $_FILES['upimage']['tmp_name'] && is_uploaded_file($_FILES['upimage']['tmp_name'])){ 
 if($_FILES['upimage']['type']>210000){ 
 echo "你上传的文件体积超过了限制 最大不能超过200K"; 
 exit(); 
 } 
 $fileext = array("image/pjpeg","image/gif","image/x-png"); 
 if(!in_array($_FILES['upimage']['type'],$fileext)){ 
 echo "你上传的文件格式不正确 仅支持 jpg，gif，png"; 
 exit(); 
 } 
 if($im = @imagecreatefrompng($_FILES['upimage']['tmp_name']) or $im = @imagecreatefromgif($_FILES['upimage']['tmp_name']) or $im = @imagecreatefromjpeg($_FILES['upimage']['tmp_name'])){ 
 $imginfo = @getimagesize($_FILES['upimage']['tmp_name']); 
 if(!is_array($imginfo)){ 
 echo "图形格式错误！"; 
 } 
 switch($_POST['size']){ 
 case 1; 
 $resize_im = @imagecreatetruecolor(16,16); 
 $size = 16; 
 break; 
 case 2; 
 $resize_im = @imagecreatetruecolor(32,32); 
 $size = 32; 
 break; 
 case 3; 
 $resize_im = @imagecreatetruecolor(48,48); 
 $size = 48; 
 break; 
 default; 
 $resize_im = @imagecreatetruecolor(32,32); 
 $size = 32; 
 break; 
 } 
 imagecopyresampled($resize_im,$im,0,0,0,0,$size,$size,$imginfo[0],$imginfo[1]); 
 include "phpthumb.ico.php"; 
 $icon = new phpthumb_ico(); 
 $gd_image_array = array($resize_im); 
 $icon_data = $icon->GD2ICOstring($gd_image_array); 
 $filename = "temp/".date("Ymdhis").rand(1,1000).".ico"; 
 if(file_put_contents($filename, $icon_data)){ 
 $output = "生成成功！请点右键->另存为 保存到本地<br><a href=\"".$filename."\" target=\"_blank\">点击下载</a>"; 
 } 
 }else{ 
 echo "生成错误请重试！"; 
 } 
 } 
} 
?> 
<html> 
<head> 
<title>ICO图标在线转换</title> 
<style> 
body{background-color:#fff;color:#000000;font-family:arial;margin:30px;font-size:12px;} 
table{border:0} 
td{line-height:16px;} 
label{cursor:hand;} 
</style> 
</head> 
<body> 
<h1>ICO图标在线转换</h1> 
<form action="?action=make" method="post" enctype='multipart/form-data'> 
<table> 
 <tr> 
 <td><b>请上传你要转换的图片</b><br>支持格式 png，jpg，gif</td> 
 </tr> 
 <tr> 
 <td><input type="file" name="upimage" size="30"></td> 
 </tr> 
 <tr> 
 <td>目标尺寸： 
 <input type="radio" name="size" value="1" id="s1"><label for="s1">16*16</label> 
 <input type="radio" name="size" value="2" id="s2" checked><label for="s2">32*32</label> 
 <input type="radio" name="size" value="3" id="s3"><label for="s3">48*48</label> 
 </td> 
 </tr> 
 <tr> 
 <td align="right"><input type="submit" value="生　成"></td> 
 </tr> 
 <?PHP 
 if($output){ 
 echo "<tr><td><div style=\"border:1px solid #D8D8B2;background-color:#FFFFDD;padding:10px\">".$output."</div></td></tr>"; 
 } 
 ?> 
 <tr> 
 <td><div style="color:#cccccc;font-size:11px;">Powered by <a href="http://veryim.com" style="color:#cccccc">非常爱漫</a> </div></td> 
 </tr> 
</table> 
</form> 
</body> 
</html>

phpthumb.ico.php

复制代码代码如下:

<?php
//////////////////////////////////////////////////////////////
/// phpThumb() by James Heinrich <[email protected]> //
// available at http://phpthumb.sourceforge.net ///
//////////////////////////////////////////////////////////////
/// //
// phpthumb.ico.php - .ICO output format functions //
// ///
//////////////////////////////////////////////////////////////

class phpthumb_ico {
function phpthumb_ico() {
return true;
}

function GD2ICOstring(&$gd_image_array) {
foreach ($gd_image_array as $key => $gd_image) {
$ImageWidths[$key] = ImageSX($gd_image);
$ImageHeights[$key] = ImageSY($gd_image);
$bpp[$key] = ImageIsTrueColor($gd_image) ? 32 : 24;
$totalcolors[$key] = ImageColorsTotal($gd_image);
$icXOR[$key] = '';
for ($y = $ImageHeights[$key] - 1; $y >= 0; $y--) {
for ($x = 0; $x < $ImageWidths[$key]; $x++) {
$argb = $this->GetPixelColor($gd_image, $x, $y);
$a = round(255 * ((127 - $argb['alpha']) / 127));
$r = $argb['red'];
$g = $argb['green'];
$b = $argb['blue'];
if ($bpp[$key] == 32) {
$icXOR[$key] .= chr($b).chr($g).chr($r).chr($a);
} elseif ($bpp[$key] == 24) {
$icXOR[$key] .= chr($b).chr($g).chr($r);
}
if ($a < 128) {
@$icANDmask[$key][$y] .= '1';
} else {
@$icANDmask[$key][$y] .= '0';
}
}
// mask bits are 32-bit aligned per scanline
while (strlen($icANDmask[$key][$y]) % 32) {
$icANDmask[$key][$y] .= '0';
}
}
$icAND[$key] = '';
foreach ($icANDmask[$key] as $y => $scanlinemaskbits) {
for ($i = 0; $i < strlen($scanlinemaskbits); $i += 8) {
$icAND[$key] .= chr(bindec(str_pad(substr($scanlinemaskbits, $i, 8), 8, '0', STR_PAD_LEFT)));
}
}
}
foreach ($gd_image_array as $key => $gd_image) {
$biSizeImage = $ImageWidths[$key] * $ImageHeights[$key] * ($bpp[$key] / 8);
// BITMAPINFOHEADER - 40 bytes
$BitmapInfoHeader[$key] = '';
$BitmapInfoHeader[$key] .= "\x28\x00\x00\x00"; // DWORD biSize;
$BitmapInfoHeader[$key] .= $this->LittleEndian2String($ImageWidths[$key], 4); // LONG biWidth;
// The biHeight member specifies the combined
// height of the XOR and AND masks.
$BitmapInfoHeader[$key] .= $this->LittleEndian2String($ImageHeights[$key] * 2, 4); // LONG biHeight;
$BitmapInfoHeader[$key] .= "\x01\x00"; // WORD biPlanes;
$BitmapInfoHeader[$key] .= chr($bpp[$key])."\x00"; // wBitCount;
$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00"; // DWORD biCompression;
$BitmapInfoHeader[$key] .= $this->LittleEndian2String($biSizeImage, 4); // DWORD biSizeImage;
$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00"; // LONG biXPelsPerMeter;
$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00"; // LONG biYPelsPerMeter;
$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00"; // DWORD biClrUsed;
$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00"; // DWORD biClrImportant;
}

$icondata = "\x00\x00"; // idReserved; // Reserved (must be 0)
$icondata .= "\x01\x00"; // idType; // Resource Type (1 for icons)
$icondata .= $this->LittleEndian2String(count($gd_image_array), 2); // idCount; // How many images?
$dwImageOffset = 6 + (count($gd_image_array) * 16);
foreach ($gd_image_array as $key => $gd_image) {
// ICONDIRENTRY idEntries[1]; // An entry for each image (idCount of 'em)
$icondata .= chr($ImageWidths[$key]); // bWidth; // Width, in pixels, of the image
$icondata .= chr($ImageHeights[$key]); // bHeight; // Height, in pixels, of the image
$icondata .= chr($totalcolors[$key]); // bColorCount; // Number of colors in image (0 if >=8bpp)
$icondata .= "\x00"; // bReserved; // Reserved ( must be 0)
$icondata .= "\x01\x00"; // wPlanes; // Color Planes
$icondata .= chr($bpp[$key])."\x00"; // wBitCount; // Bits per pixel
$dwBytesInRes = 40 + strlen($icXOR[$key]) + strlen($icAND[$key]);
$icondata .= $this->LittleEndian2String($dwBytesInRes, 4); // dwBytesInRes; // How many bytes in this resource?
$icondata .= $this->LittleEndian2String($dwImageOffset, 4); // dwImageOffset; // Where in the file is this image?
$dwImageOffset += strlen($BitmapInfoHeader[$key]);
$dwImageOffset += strlen($icXOR[$key]);
$dwImageOffset += strlen($icAND[$key]);
}
foreach ($gd_image_array as $key => $gd_image) {
$icondata .= $BitmapInfoHeader[$key];
$icondata .= $icXOR[$key];
$icondata .= $icAND[$key];
}
return $icondata;
}
function LittleEndian2String($number, $minbytes=1) {
$intstring = '';
while ($number > 0) {
$intstring = $intstring.chr($number & 255);
$number >>= 8;
}
return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
}
function GetPixelColor(&$img, $x, $y) {
if (!is_resource($img)) {
return false;
}
return @ImageColorsForIndex($img, @ImageColorAt($img, $x, $y));
}
}
?>

pw的一个放后门的方法分析一个图形显示IP的PHP程序代码

PHP 中的 php在线生成ico文件的代码

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