88 lines
2.3 KiB
PHP
88 lines
2.3 KiB
PHP
<?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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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 $json = false) : bool {
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$opt = array('http' => array('user_agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:1.0) Gecko/20200101 Patchbot/1.0'));
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$ctx = stream_context_create($opt);
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if ($str = file_get_contents($url, false, $ctx)) {
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$this->data = $str;
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if ($json) {
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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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}
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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);
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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 $key) : bool {
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$flat = iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($this->data)));
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if (!empty($flat[$key])) {
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$this->patch->SetVersion($flat[$key]);
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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 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 array_extract(string $search) {
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foreach ($this->data as $val) {
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if (array_search($search, array_values($val)))
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$this->data = $val;
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}
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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 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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