PHP download get remote picture function (can forge route)

Download get remote Pictures function Downimagekeep ($gurl, $rfurl, $filename, $gcookie = "", $JumpCount =0, $maxtime =30) { $urlinfos = GetHostInfo ($gurl); $ghost = Trim ($urlinfos [' Host ']); if ($ghost = = ") { return FALSE; } $gquery = $urlinfos [' query ']; if ($gcookie = = "" &&!empty ($rfurl)) { $gcookie = Refurlcookie ($rfurl); } $sessionQuery = "GET $gquery http/1.1\r\n"; $sessionQuery. = "Host: $ghost \ r \ n"; $sessionQuery. = "Referer: $rfurl \ r \ n"; $sessionQuery. = "Accept: */*\r\n"; $sessionQuery. = "user-agent:mozilla/4.0 (compatible; MSIE 5.00; Windows 98) \ r \ n "; if ($gcookie! = "" &&!preg_match ("/[\r\n]/", $gcookie)) { $sessionQuery. = $gcookie. " \ r \ n "; } $sessionQuery. = "connection:keep-alive\r\n\r\n"; $errno = ""; $errstr = ""; $m _fp = Fsockopen ($ghost, $errno, $ERRSTR, 10); Fwrite ($m _fp, $sessionQuery); $lnum = 0; Get detailed answer Header $m _httphead = Array (); $httpstas = Explode ("", Fgets ($m _fp,256)); $m _httphead["http-edition") = Trim ($httpstas [0]); $m _httphead["http-state") = Trim ($httpstas [1]); while (!feof ($m _fp)) { $line = Trim (fgets ($m _fp,256)); if ($line = = "" | | $lnum >100) { Break } $hkey = ""; $hvalue = ""; $v = 0; for ($i =0; $i { if ($v ==1) { $hvalue. = $line [$i]; } if ($line [$i]== ":") { $v = 1; } if ($v ==0) { $hkey. = $line [$i]; } } $hkey = Trim ($hkey); if ($hkey! = "") { $m _httphead[strtolower ($hkey)] = Trim ($hvalue); } } Analyze Return Records if (Preg_match ("/^3/", $m _httphead["Http-state"])) { if (Isset ($m _httphead["location") && $JumpCount <3) { $JumpCount + +; Downimagekeep ($gurl, $rfurl, $filename, $gcookie, $JumpCount); } Else { return FALSE; } } if (!preg_match ("/^2/", $m _httphead["Http-state"])) { return FALSE; } if (!isset ($m _httphead)) { return FALSE; } $contentLength = $m _httphead[' content-length '); Save File $fp = fopen ($filename, "w") or Die ("Write file: {$filename} failed! "); $i = 0; $okdata = ""; $starttime = time (); while (!feof ($m _fp)) { $okdata. = fgetc ($m _fp); $i + +; End of timeout if (Time ()-$starttime > $maxtime) { Break } reaches the specified size end if ($i >= $contentLength) { Break } } if ($okdata! = "") { Fwrite ($fp, $okdata); } Fclose ($FP); if ($okdata = = "") { @unlink ($filename); Fclose ($m _fp); return FALSE; } Fclose ($m _fp); return TRUE; } /** * Obtain the cookie information returned by a page * * @access Public * @param string $gurl Adjust address * @return String */ function Refurlcookie ($gurl) { Global $gcookie, $lastRfurl; $gurl = Trim ($gurl); if (!empty ($gcookie) && $lastRfurl = = $gurl) { return $gcookie; } Else { $lastRfurl = $gurl; } if (Trim ($gurl) = = ") { Return '; } $urlinfos = GetHostInfo ($gurl); $ghost = $urlinfos [' Host ']; $gquery = $urlinfos [' query ']; $sessionQuery = "GET $gquery http/1.1\r\n"; $sessionQuery. = "Host: $ghost \ r \ n"; $sessionQuery. = "Accept: */*\r\n"; $sessionQuery. = "user-agent:mozilla/4.0 (compatible; MSIE 5.00; Windows 98) \ r \ n "; $sessionQuery. = "connection:close\r\n\r\n"; $errno = ""; $errstr = ""; $m _fp = Fsockopen ($ghost, $errno, $errstr, ten) or Die ($ghost. ' '); Fwrite ($m _fp, $sessionQuery); $lnum = 0; Get detailed answer Header $gcookie = ""; while (!feof ($m _fp)) { $line = Trim (fgets ($m _fp,256)); if ($line = = "" | | $lnum >100) { Break } Else { if (Preg_match ("/^cookie/i", $line)) { $gcookie = $line; Break } } } Fclose ($m _fp); return $gcookie; } /** * Get the host and query part of the URL * * @access Public * @param string $gurl Adjust address * @return String */ function GetHostInfo ($gurl) { $gurl = Preg_replace ("/^http:\/\//i", "", Trim ($gurl)); $garr [' host '] = Preg_replace ("/\/(. *) $/i", "", $gurl); $garr [' query '] = "/". Preg_replace ("/^ ([^\/]*) \//i", "", $gurl); return $garr; } ?> Copy Code

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