82 lines
2.5 KiB
PHP
82 lines
2.5 KiB
PHP
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<?php
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class File {
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public $url;
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function __construct($url) {
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$this->url = $url;
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}
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function get_headers($follow=true) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $this->url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, $follow);
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_NOBODY, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 10);
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$output = curl_exec($ch);
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curl_close($ch);
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$headers = [];
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$output = rtrim($output);
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$data = explode("\n", $output);
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$headers['status'] = $data[0];
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array_shift($data);
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foreach($data as $part) {
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$middle = explode(":",$part,2);
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if ( !isset($middle[1]) ) { $middle[1] = null; }
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$headers[trim($middle[0])] = trim($middle[1]);
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}
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return $headers;
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}
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function get_status($follow=true) {
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return $this->get_headers($follow)["status"];
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}
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function get_filename($follow=true) {
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$content = $this->get_headers($follow);
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$content = array_change_key_case($content, CASE_LOWER);
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if ($content['content-disposition']) {
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$tmp_name = explode('=', $content['content-disposition']);
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if ($tmp_name[1]) $realfilename = trim($tmp_name[1],'";\'');
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};
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if (!$realfilename) {
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$stripped_url = preg_replace('/\\?.*/', '', $this->url);
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$stripped_url = preg_replace('/\\/$/', '', $stripped_url);
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$realfilename = basename($stripped_url);
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}
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return $realfilename;
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}
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function fetch_file($write=false, $path=null, $follow=true) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $this->url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, $follow);
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curl_setopt($ch, CURLOPT_HEADER, false);
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curl_setopt($ch, CURLOPT_NOBODY, false);
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curl_setopt($ch, CURLOPT_TIMEOUT, 10);
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$output = curl_exec($ch);
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if(curl_errno($ch)) throw new Exception('Error downloading file. ' . curl_error($ch));
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curl_close($ch);
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if ($write) {
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if (!$path) $path = tempnam(sys_get_temp_dir(), "EXPMAIL_");
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if (!file_put_contents($path, $output)) throw new Exception('Error saving file to ' . $path);
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}
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return ($write ? $path : $output);
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}
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}
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