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function phpdigTestUrl($url,$mode='simple',$cookies=array()) {
$components = parse_url($url);
$lm_date = '';
$status = 'NOFILE';
$auth_string = '';
$redirs = 0;
$stop = false;
if (isset($components['host'])) {
$host = $components["host"];
if (isset($components['user']) && isset($components['pass']) &&
$components['user'] && $components['pass']) {
$auth_string = 'Authorization: Basic '.base64_encode($components['user'].':'.$components['pass'])."\n";
}
}
else {
$host = '';
}
if (isset($components['port'])) {
$port = (int)$components["port"];
}
else {
$port = 80;
}
if (isset($components['path'])) {
$path = $components["path"];
}
else {
$path = '';
}
if (isset($components['query'])) {
$query = $components["query"];
}
else {
$query = '';
}
$fp = @fsockopen($host,$port);
if ($port != 80) {
$sport = ":".$port;
}
else {
$sport = "";
}
if (!$fp) {
//host domain not found
$status = "NOHOST";
}
else {
if ($query) {
$path .= "?".$query;
}
$cookiesSendString = phpDigMakeCookies($cookies,$path);
//complete get
$request =
"HEAD $path HTTP/1.1\n"
."Host: $host$sport\n"
.$cookiesSendString
.$auth_string
."Accept: */*\n"
."Accept-Charset: ".PHPDIG_ENCODING."\n"
."Accept-Encoding: identity\n"
."User-Agent: PhpDig/".PHPDIG_VERSION." (PHP; MySql)\n\n";
fputs($fp,$request);
//test return code
while (!$stop && !feof($fp)) {
$answer = fgets($fp,8192);
//print $answer."<br>\n";
if (isset($req1) && $req1) {
//close, and open a new connection
//on the new location
fclose($fp);
$fp = fsockopen($host,$port);
if (!$fp) {
//host domain not found
$status = "NOHOST";
break;
}
else {
fputs($fp,$req1);
unset($req1);
$answer = fgets($fp,8192);
}
}
if (ereg("HTTP/[0-9.]+ (([0-9])[0-9]{2})", $answer,$regs)) {
if ($regs[2] == 2 || $regs[2] == 3) {
$code = $regs[2];
}
elseif ($regs[1] >= 401 && $regs[1] <= 403) {
$status = "UNAUTH";
break;
}
else {
$status = "NOFILE";
break;
}
}
else if (eregi("^ *location: *(.*)",$answer,$regs) && $code == 3) {
if ($redirs > 4) {
$stop = true;
$status = "LOOP";
}
$newpath = trim($regs[1]);
$newurl = parse_url($newpath);
//search if relocation is absolute or relative
if (!isset($newurl["host"])
&& isset($newurl["path"])
&& !ereg('^/',$newurl["path"])) {
$path = dirname($path).'/'.$newurl["path"];
}
else {
$path = $newurl["path"];
}
if (!isset($newurl['host']) || !$newurl['host'] || $host == $newurl['host']) {
$cookiesSendString = phpDigMakeCookies($cookies,$path);
$req1 = "HEAD $path HTTP/1.1\n"
."Host: $host$sport\n"
.$cookiesSendString
.$auth_string
."Accept: */*\n"
."Accept-Charset: ".PHPDIG_ENCODING."\n"
."Accept-Encoding: identity\n"
."User-Agent: PhpDig/".PHPDIG_VERSION." (PHP; MySql)\n\n";
}
else {
$stop = true;
$status = "NEWHOST";
$host = $newurl['host'];
}
}
//parse cookies
elseif (eregi("Set-Cookie: *(([^=]+)=[^; ]+) *(; *path=([^; ]+))* *(; *domain=([^; ]+))*",$answer,$regs)) {
$cookies[$regs[2]] = array('string'=>$regs[1],'path'=>$regs[4],'domain'=>$regs[6]);
}
//Parse content-type header
elseif (eregi("Content-Type: *([a-z]+)/([a-z.-]+)",$answer,$regs)) {
if ($regs[1] == "text") {
switch ($regs[2]) {
case 'plain':
$status = 'PLAINTEXT';
break;
case 'html':
$status = 'HTML';
break;
default :
$status = "NOFILE";
$stop = true;
}
}
else if ($regs[1] == "application") {
if ($regs[2] == 'msword' && PHPDIG_INDEX_MSWORD == true) {
$status = "MSWORD";
}
else if ($regs[2] == 'pdf' && PHPDIG_INDEX_PDF == true) {
$status = "PDF";
}
else if ($regs[2] == 'vnd.ms-excel' && PHPDIG_INDEX_MSEXCEL == true) {
$status = "MSEXCEL";
}
else {
$status = "NOFILE";
$stop = true;
}
}
else {
$status = "NOFILE";
$stop = true;
}
}
elseif (eregi('Last-Modified: *([a-z0-9,: ]+)',$answer,$regs)) {
//search last-modified header
$lm_date = $regs[1];
}
if (!eregi('[a-z0-9]+',$answer)) {
$stop = true;
}
}
@fclose($fp);
}
//returns variable or array
if ($mode == 'date') {
return compact('status', 'lm_date', 'path', 'host', 'cookies');
}
else {
return $status;
}
}
that's it. and i haven't changed anything on it, so i guess it should be the correct one.
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