帝国CMS有个远程保存图片功能，但是无法保存无后缀的图片，
首先我们需要修改e\functions.php文件中的函数RepImg函数让它可以匹配到图片地址，
具体实现如下：
function RepImg($text,$copyflash){
global $ecms_config;
$exp1="";
$exp2="";
//去掉图片链接
if($ecms_config['sets']['saveurlimgclearurl']==1)
{
$zz2="/\<(a|A) (.*?)(href|Href)=('|\"|\\\\\"|)(.+?)><(img|IMG) (.*?)(src|SRC)=('|\"|\\\\\"|)(.+?)(\\9)(.*?)><\/(a|A)>/is";
$text=preg_replace($zz2,"<\\6 \\7\\8=\\9\\10\\11\\12>",$text);
}
$zz1="/\<(img|IMG) (.*?)(src|SRC)=('|\"|\\\\\"|)(.+?)(\\4)(.*?)>/is";
$text=preg_replace($zz1,"<\\1 \\2\\3=\\4".$exp1."\\5".$exp2."\\6\\7>",$text);
return $text;
}然后找到e/connet.php远程保存函数DoTranUrl添加实现通过获取到的数据获取后缀的代码
//帝国实现的是通过.分割确定后缀的，对于没有后缀的就会分割到域名上
//一般后缀名大于5肯定是有问题
if(strlen($r['filetype'])>5){
$r['filetype']='.'.getFileExt(getFileMIME($string));
}
然后我们需要在userfun.php定义如下函数用于通过文件数据获取后缀名字
// 读取文件获取MIME_TYPE
function getFileMIME($str)
{
$strInfo = @unpack("C4chars", $str);
$typeCode = dechex($strInfo ['chars1']) .
dechex($strInfo ['chars2']) .
dechex($strInfo ['chars3']) .
dechex($strInfo ['chars4']); //把十进制转换为十六进制。
switch ($typeCode) //硬编码值查表
{
case "ffd8ffe0" :
case "ffd8ffe1" :
case "ffd8ffe2" :
$type = 'image/jpeg; charset=binary';
break;
case "89504e47" :
$type = 'image/png; charset=binary';
break;
case "47494638" :
$type = 'image/gif; charset=binary';
break;
case "504B0304" :
$type = 'application/zip; charset=binary';
break;
case "25504446" :
$type = 'application/pdf; charset=binary';
break;
case "5A5753" :
$type = 'application/swf; charset=binary';
break;
case "3c3f786d" :
$type = 'application/xml; charset=binary';
break;
case "3c68746d" :
$type = 'application/html; charset=binary';
break;
case "0000" :
$type = 'text/plain; charset=binary';
break;
case "2166756e" :
$type = 'application/x-javascript; charset=binary';
break;
default :
$type = 'application/octet-stream; charset=binary';
break;
}
return $type;
}
// 获取文件扩展名
function getFileExt($type) {
switch ($type) {
case "image/jpeg; charset=binary" :
//$extType = "jpeg|jpg|jpe";
$extType = "jpg";
break;
case "image/png; charset=binary" :
$extType = "png";
break;
case "image/gif; charset=binary" :
$extType = "gif";
break;
case "application/zip; charset=binary" :
$extType = "zip";
break;
case "application/pdf; charset=binary" :
$extType = "pdf";
break;
case "application/swf; charset=binary" :
$extType = "swf";
break;
case "application/xml; charset=binary" :
$extType = "xml";
break;
case "application/html; charset=binary" :
$extType = "html";
break;
case "text/plain; charset=binary" :
$extType = "txt";
break;
case "application/x-javascript; charset=binary" :
$extType = "js";
break;
default :
$extType = "type_error";
break;
}
return $extType;
}附加文件后缀与content-type对应关系：
$mimetypes = array( 'ez' => 'application/andrew-inset', 'hqx' => 'application/mac-binhex40', 'cpt' => 'application/mac-compactpro', 'doc' => 'application/msword', 'bin' => 'application/octet-stream', 'dms' => 'application/octet-stream', 'lha' => 'application/octet-stream', 'lzh' => 'application/octet-stream', 'exe' => 'application/octet-stream', 'class' => 'application/octet-stream', 'so' => 'application/octet-stream', 'dll' => 'application/octet-stream', 'oda' => 'application/oda', 'pdf' => 'application/pdf', 'ai' => 'application/postscript', 'eps' => 'application/postscript', 'ps' => 'application/postscript', 'smi' => 'application/smil', 'smil' => 'application/smil', 'mif' => 'application/vnd.mif', 'xls' => 'application/vnd.ms-excel', 'ppt' => 'application/vnd.ms-powerpoint', 'wbxml' => 'application/vnd.wap.wbxml', 'wmlc' => 'application/vnd.wap.wmlc', 'wmlsc' => 'application/vnd.wap.wmlscriptc', 'bcpio' => 'application/x-bcpio', 'vcd' => 'application/x-cdlink', 'pgn' => 'application/x-chess-pgn', 'cpio' => 'application/x-cpio', 'csh' => 'application/x-csh', 'dcr' => 'application/x-director', 'dir' => 'application/x-director', 'dxr' => 'application/x-director', 'dvi' => 'application/x-dvi', 'spl' => 'application/x-futuresplash', 'gtar' => 'application/x-gtar', 'hdf' => 'application/x-hdf', 'js' => 'application/x-javascript', 'skp' => 'application/x-koan', 'skd' => 'application/x-koan', 'skt' => 'application/x-koan', 'skm' => 'application/x-koan', 'latex' => 'application/x-latex', 'nc' => 'application/x-netcdf', 'cdf' => 'application/x-netcdf', 'sh' => 'application/x-sh', 'shar' => 'application/x-shar', 'swf' => 'application/x-shockwave-flash', 'sit' => 'application/x-stuffit', 'sv4cpio' => 'application/x-sv4cpio', 'sv4crc' => 'application/x-sv4crc', 'tar' => 'application/x-tar', 'tcl' => 'application/x-tcl', 'tex' => 'application/x-tex', 'texinfo' => 'application/x-texinfo', 'texi' => 'application/x-texinfo', 't' => 'application/x-troff', 'tr' => 'application/x-troff', 'roff' => 'application/x-troff', 'man' => 'application/x-troff-man', 'me' => 'application/x-troff-me', 'ms' => 'application/x-troff-ms', 'ustar' => 'application/x-ustar', 'src' => 'application/x-wais-source', 'xhtml' => 'application/xhtml+xml', 'xht' => 'application/xhtml+xml', 'zip' => 'application/zip', 'au' => 'audio/basic', 'snd' => 'audio/basic', 'mid' => 'audio/midi', 'midi' => 'audio/midi', 'kar' => 'audio/midi', 'mpga' => 'audio/mpeg', 'mp2' => 'audio/mpeg', 'mp3' => 'audio/mpeg', 'aif' => 'audio/x-aiff', 'aiff' => 'audio/x-aiff', 'aifc' => 'audio/x-aiff', 'm3u' => 'audio/x-mpegurl', 'ram' => 'audio/x-pn-realaudio', 'rm' => 'audio/x-pn-realaudio', 'rpm' => 'audio/x-pn-realaudio-plugin', 'ra' => 'audio/x-realaudio', 'wav' => 'audio/x-wav', 'pdb' => 'chemical/x-pdb', 'xyz' => 'chemical/x-xyz', 'bmp' => 'image/bmp', 'gif' => 'image/gif', 'ief' => 'image/ief', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg', 'jpe' => 'image/jpeg', 'png' => 'image/png', 'tiff' => 'image/tiff', 'tif' => 'image/tiff', 'djvu' => 'image/vnd.djvu', 'djv' => 'image/vnd.djvu', 'wbmp' => 'image/vnd.wap.wbmp', 'ras' => 'image/x-cmu-raster', 'pnm' => 'image/x-portable-anymap', 'pbm' => 'image/x-portable-bitmap', 'pgm' => 'image/x-portable-graymap', 'ppm' => 'image/x-portable-pixmap', 'rgb' => 'image/x-rgb', 'xbm' => 'image/x-xbitmap', 'xpm' => 'image/x-xpixmap', 'xwd' => 'image/x-xwindowdump', 'igs' => 'model/iges', 'iges' => 'model/iges', 'msh' => 'model/mesh', 'mesh' => 'model/mesh', 'silo' => 'model/mesh', 'wrl' => 'model/vrml', 'vrml' => 'model/vrml', 'css' => 'text/css', 'html' => 'text/html', 'htm' => 'text/html', 'asc' => 'text/plain', 'txt' => 'text/plain', 'rtx' => 'text/richtext', 'rtf' => 'text/rtf', 'sgml' => 'text/sgml', 'sgm' => 'text/sgml', 'tsv' => 'text/tab-separated-values', 'wml' => 'text/vnd.wap.wml', 'wmls' => 'text/vnd.wap.wmlscript', 'etx' => 'text/x-setext', 'xsl' => 'text/xml', 'xml' => 'text/xml', 'mpeg' => 'video/mpeg', 'mpg' => 'video/mpeg', 'mpe' => 'video/mpeg', 'qt' => 'video/quicktime', 'mov' => 'video/quicktime', 'mxu' => 'video/vnd.mpegurl', 'avi' => 'video/x-msvideo', 'movie' => 'video/x-sgi-movie', 'ice' => 'x-conference/x-cooltalk', );
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