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102 lines
3.5 KiB
102 lines
3.5 KiB
<?php
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namespace request;
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function get_url($url, $include_headers=false) {
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$ch = curl_init($url);
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set_user_agent($ch);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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if($include_headers) {
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curl_setopt($ch, CURLOPT_HEADER, true);
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$response = curl_exec($ch);
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$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
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return [
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'status' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
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'headers' => trim(substr($response, 0, $header_size)),
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'body' => substr($response, $header_size)
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];
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} else {
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return curl_exec($ch);
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}
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}
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function get_head($url) {
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$ch = curl_init($url);
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set_user_agent($ch);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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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($ch, CURLOPT_TIMEOUT, 5);
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$headers = curl_exec($ch);
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return [
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'status' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
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'headers' => trim($headers)
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];
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}
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function post($url, $params, $format='form', $headers=[]) {
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$ch = curl_init($url);
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set_user_agent($ch);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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if($format == 'json') {
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$body = json_encode($params);
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$headers[] = 'Content-type: application/json';
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} elseif($format == 'form') {
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$body = http_build_query($params);
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} else {
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$body = $params;
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}
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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$response = curl_exec($ch);
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$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
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return [
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'status' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
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'headers' => trim(substr($response, 0, $header_size)),
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'body' => substr($response, $header_size)
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];
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}
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function parse_headers($headers) {
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$retVal = array();
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$fields = explode("\r\n", preg_replace('/\x0D\x0A[\x09\x20]+/', ' ', $headers));
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foreach($fields as $field) {
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if(preg_match('/([^:]+): (.+)/m', $field, $match)) {
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$match[1] = preg_replace_callback('/(?<=^|[\x09\x20\x2D])./', function($m) {
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return strtoupper($m[0]);
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}, strtolower(trim($match[1])));
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// If there's already a value set for the header name being returned, turn it into an array and add the new value
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$match[1] = preg_replace_callback('/(?<=^|[\x09\x20\x2D])./', function($m) {
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return strtoupper($m[0]);
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}, strtolower(trim($match[1])));
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if(isset($retVal[$match[1]])) {
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if(!is_array($retVal[$match[1]]))
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$retVal[$match[1]] = array($retVal[$match[1]]);
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$retVal[$match[1]][] = $match[2];
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} else {
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$retVal[$match[1]] = trim($match[2]);
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}
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}
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}
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return $retVal;
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}
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function set_user_agent(&$ch) {
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// Unfortunately I've seen a bunch of websites return different content when the user agent is set to something like curl or other server-side libraries, so we have to pretend to be a browser to successfully get the real HTML
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curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) p3k/Switchboard/0.1.1 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36');
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}
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function response_is($status, $prefix) {
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if($status) {
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$status_str = (string)$status;
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return $status_str[0] == (string)$prefix;
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} else {
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return false;
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}
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}
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