forked from Kieran/void.cat
122 lines
2.7 KiB
PHP
122 lines
2.7 KiB
PHP
<?php
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include('db.php');
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$response = array(
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"status" => 0,
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"msg" => null,
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"hash" => null,
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"publichash" => null,
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"link" => null,
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"mime" => null,
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"filename" => null
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);
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//check input size is large enough
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$maxsizeM = ini_get('post_max_size');
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$maxsize = (int)(str_replace('M', '', $maxsizeM) * 1024 * 1024);
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$fsize = (int)$_SERVER['CONTENT_LENGTH'];
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$mime = strlen($_SERVER['CONTENT_TYPE']) > 0 ? $_SERVER['CONTENT_TYPE'] : _DEFAULT_TYPE;
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$fname = $_GET["filename"];
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if($fsize > $maxsize)
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{
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$response["msg"] = "File size larger than " . $maxsizeM;
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}
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else
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{
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$source = isset($_GET["remote"]) ? $_GET["remote"] : "php://input";
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$rawf = fopen($source, 'rb');
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if(isset($_GET["remote"])){
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$meta_data = stream_get_meta_data($rawf);
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foreach($meta_data["wrapper_data"] as $hd){
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if(strpos($hd, "Content-Type") === 0){
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$nt = explode(": ", $hd);
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$mime = $nt[1];
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if(strpos($mime, ";") > 0){
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$ms = explode(";", $mime);
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$mime = $ms[0];
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}
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}else if(strpos($hd, "Content-Disposition") === 0){
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$nn = explode("filename=", $hd);
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$fname = str_replace("\"", "", $nn[1]);
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}
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}
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if($fname == "remote"){
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//parse url if no content-disposition is set
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preg_match('@^.*\/(.*\.[a-zA-Z0-9]{0,4})@i', $_GET["remote"], $matches);
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if(count($matches) > 0){
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$fname = $matches[1];
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}
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}
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}
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$tmpf = fopen("php://temp", 'rb+');
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stream_copy_to_stream($rawf, $tmpf);
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rewind($tmpf);
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//Connect to db
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$db = new DB();
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//get file hash
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$hc = hash_init('sha256');
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hash_update_stream($hc, $tmpf);
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$fh = hash_final($hc);
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$response["hash"] = $fh;
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rewind($tmpf);
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$response["filename"] = $fname;
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//check for dupes
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$f_e = $db->Exists256($fh);
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if($f_e->id != 0)
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{
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//file already exists
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$response["publichash"] = $f_e->hash160;
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$response["mime"] = $f_e->mime;
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}
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else
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{
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//file does not exist
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//generate public hash
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$phc = hash_init('ripemd160');
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hash_update($phc, $fh);
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$ph = hash_final($phc);
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$response["publichash"] = $ph;
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//save to disk
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$op = _FILEPATH . $ph;
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$fo = fopen($op, 'wb+');
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stream_copy_to_stream($tmpf, $fo);
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fclose($fo);
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//save to db
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$f_e = new FileUpload();
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$f_e->hash160 = $ph;
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$f_e->hash256 = $fh;
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$f_e->mime = $mime;
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$f_e->path = $op;
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$f_e->filename = $fname;
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$db->InsertFile($f_e);
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//update sitemap
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//include("gensitemap.php");
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}
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//close streams
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fclose($rawf);
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fclose($tmpf);
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$response["status"] = 200;
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$response["link"] = _SITEURL . $f_e->hash160;
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$response["mime"] = $mime;
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}
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//return response
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header('Content-Type: application/json');
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echo json_encode($response);
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?>
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