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HttpUtils
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1<?php
2
3namespace Olz\Utils;
4
5use Olz\Components\Error\OlzErrorPage\OlzErrorPage;
6use Olz\Components\Page\OlzFooter\OlzFooter;
7use Olz\Components\Page\OlzHeaderWithoutRouting\OlzHeaderWithoutRouting;
8use Olz\Entity\Counter;
9use PhpTypeScriptApi\PhpStan\ValidateVisitor;
10use Symfony\Component\HttpFoundation\Request;
11
12class HttpUtils {
13    use WithUtilsTrait;
14
15    /** @param array<string> $get_params */
16    public function countRequest(Request $request, array $get_params = []): void {
17        $user_agent = $this->server()['HTTP_USER_AGENT'] ?? '';
18        if (
19            preg_match('/bingbot/i', $user_agent)
20            || preg_match('/googlebot/i', $user_agent)
21            || preg_match('/google/i', $user_agent)
22            || preg_match('/facebookexternalhit/i', $user_agent)
23            || preg_match('/applebot/i', $user_agent)
24            || preg_match('/yandexbot/i', $user_agent)
25            || preg_match('/ecosia\//i', $user_agent)
26            || preg_match('/phpservermon\//i', $user_agent)
27            || preg_match('/bot\//i', $user_agent)
28            || preg_match('/crawler\//i', $user_agent)
29        ) {
30            $this->log()->debug("Counter: user agent is bot: {$user_agent}");
31            return;
32        }
33        $path = "{$request->getBasePath()}{$request->getPathInfo()}";
34        $query = [];
35        foreach ($get_params as $key) {
36            $value = $request->query->get($key);
37            if ($value !== null) {
38                $query[] = "{$key}={$value}";
39            }
40        }
41        $pretty_query = empty($query) ? '' : '?'.implode('&', $query);
42        $counter_repo = $this->entityManager()->getRepository(Counter::class);
43        $counter_repo->record("{$path}{$pretty_query}");
44        $this->log()->debug("Counter: Counted {$path}{$pretty_query} (user agent: {$user_agent})");
45    }
46
47    public function dieWithHttpError(int $http_status_code): void {
48        $this->sendHttpResponseCode($http_status_code);
49
50        $out = OlzErrorPage::render([
51            'http_status_code' => $http_status_code,
52        ]);
53
54        $this->sendHttpBody($out);
55        $this->exitExecution();
56    }
57
58    public function redirect(string $redirect_url, int $http_status_code = 301): void {
59        $this->sendHttpResponseCode($http_status_code);
60        $this->sendHeader("Location: {$redirect_url}");
61
62        $out = "";
63        $out .= OlzHeaderWithoutRouting::render([
64            'title' => "Weiterleitung...",
65        ]);
66
67        $out .= <<<ZZZZZZZZZZ
68            <div class='content-full'>
69                <h2>Automatische Weiterleitung...</h2>
70                <p>Falls die automatische Weiterleitung nicht funktionieren sollte, kannst du auch diesenLink anklicken:</p>
71                <p><b><a href='{$redirect_url}' class='linkint'>{$redirect_url}</a></b></p>
72            </div>
73            ZZZZZZZZZZ;
74
75        $out .= OlzFooter::render();
76        $this->sendHttpBody($out);
77        $this->exitExecution();
78    }
79
80    /**
81     * @template T of array
82     *
83     * @param class-string<HttpParams<T>>             $params_class
84     * @param ?array<string, ?(string|array<string>)> $get_params
85     * @param array{just_log?: bool}                  $options
86     *
87     * @return T
88     */
89    public function validateGetParams(string $params_class, ?array $get_params = null, array $options = []): array {
90        if ($get_params === null) {
91            $get_params = $this->getParams();
92        }
93        $class_info = new \ReflectionClass($params_class);
94        $params_instance = new $params_class();
95        $params_instance->configure();
96        $utils = $params_instance->phpStanUtils;
97        $php_doc_node = $utils->parseDocComment($class_info->getDocComment());
98        $type = $php_doc_node?->getExtendsTagValues()[0]->type->genericTypes[0];
99        $aliases = $utils->getAliases($php_doc_node);
100        if (!$type) {
101            $this->dieWithHttpError(400);
102            throw new \Exception('should already have failed');
103        }
104        $result = ValidateVisitor::validateDeserialize($utils, $get_params, $type, $aliases);
105        if (!$result->isValid() && ($options['just_log'] ?? false) === false) {
106            $this->dieWithHttpError(400);
107            throw new \Exception('should already have failed');
108        }
109        return $result->getValue();
110    }
111
112    // @codeCoverageIgnoreStart
113    // Reason: Mock functions for tests.
114
115    protected function sendHttpResponseCode(int $http_response_code): void {
116        http_response_code($http_response_code);
117    }
118
119    protected function sendHeader(string $http_header_line): void {
120        header($http_header_line);
121    }
122
123    protected function sendHttpBody(string $http_body): void {
124        echo $http_body;
125    }
126
127    protected function exitExecution(): void {
128        exit('');
129    }
130
131    // @codeCoverageIgnoreEnd
132
133    public static function fromEnv(): self {
134        return new self();
135    }
136}