137 lines
3.5 KiB
PHP
137 lines
3.5 KiB
PHP
<?php
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require('HostOption.php');
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abstract class PatchBase {
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protected $patch;
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protected $data = '';
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function __construct(string $vendor, string $product, string $url) {
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$this->patch = new PatchObject(array('id' => $this->id(), 'vendor' => $vendor, 'product' => $product, 'url' => $url));
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}
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function __toString() : string {
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return (string)$this->patch;
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}
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protected function dump() {
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var_dump($this->data);
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}
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function id() : string {
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return get_class($this);
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}
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function getPatch() : PatchObject {
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return $this->patch;
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}
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abstract function check() : bool;
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protected function fetch(string $url, bool $text = true) : bool {
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// HTTP GET
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if ($text)
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$str = $this->curl($url);
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// HTTP HEAD
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else
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$str = $this->curl($url, array(array(CURLOPT_HEADER, true), array(CURLOPT_NOBODY, true)));
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if ($str) {
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$this->data = $str;
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return true;
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}
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return false;
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}
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protected function fetch_json(string $url) : bool {
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$str = $this->curl($url);
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if ($str) {
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if (!($this->data = json_decode($str, true)))
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return false;
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// get first element only
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if ($this->array_isMulti($this->data))
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$this->data = array_shift($this->data);
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return true;
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}
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return false;
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}
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protected function fetch_yaml(string $url) : bool {
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$str = $this->curl($url);
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if ($str) {
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if (!($this->data = yaml_parse($str)))
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return false;
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//if ($this->array_isMulti($this->data))
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// $this->data = array_shift($this->data);
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return true;
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}
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return false;
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}
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protected function fetch_gzip(string $url) : bool {
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$str = $this->curl($url);
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if ($str) {
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if (!($this->data = gzdecode($str)))
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return false;
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return true;
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}
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return false;
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}
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protected function parse(string $re) : bool {
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if ($str = $this->regex_str($re)) {
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$this->patch->setVersion($str, true);
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return true;
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}
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return false;
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}
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protected function parse_json(string $key, string $re = '/(.*)/') : bool {
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$flat = iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($this->data)));
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if (!empty($flat[$key])) {
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$this->data = $flat[$key];
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return $this->parse($re);
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}
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return false;
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}
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protected function parse_yaml(string $key, string $re = '/(.*)/') : bool {
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return $this->parse_json($key, $re);
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}
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private function array_isMulti(array $arr) : bool {
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foreach ($arr as $val) {
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if (!is_array($val))
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return false;
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}
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return true;
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}
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protected function str_crop(string $head = '', string $tail = '') {
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if (!empty($head)) {
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if ($str = strstr($this->data, $head))
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$this->data = $str;
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}
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if (!empty($tail)) {
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if ($str = strstr($this->data, $tail, true))
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$this->data = $str;
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}
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}
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private function curl(string $url, array $opts = array()) {
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if ($ch = curl_init()) {
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; Patchbot/1.0; +http://www.patchbot.de/)');
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
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foreach ($opts as $opt)
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curl_setopt($ch, $opt[0], $opt[1]);
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if ($opt = HostOption::get(parse_url($url, PHP_URL_HOST)))
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curl_setopt($ch, CURLOPT_HTTPHEADER, $opt);
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$str = curl_exec($ch);
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curl_close($ch);
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if ($str)
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return $str;
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}
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return false;
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}
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private function regex(string $pattern) {
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if (!preg_match($pattern, $this->data, $m))
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return false;
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// suppress full pattern match
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unset($m[0]);
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return $m;
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}
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private function regex_str(string $pattern) {
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$m = $this->regex($pattern);
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if ($m)
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return $m[1];
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return false;
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}
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}
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?>
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