Request::detectSsl() - Code Metrics - bfw-systems/bfw - Measure and Improve Code Quality continuously with Scrutinizer

Request::detectSsl() B
last analyzed 2019-05-25 14:58 UTC

↳ Parent: Request

Complexity

Conditions	7
Paths	4

Size

Total Lines	14
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	10
nc	4
nop	0
dl	0
loc	14
rs	8.8333
c	0
b	0
f	0

<?php

namespace BFW;

/**
 * Class to get informations about http request.
 * Singleton pattern.
 */
class Request
{
    /**
     * @const ERR_KEY_NOT_EXIST Exception code if a key not exist into the
     * $_SERVER array.
     */
    const ERR_KEY_NOT_EXIST = 1107001;
    
    /**
     * @var \BFW\Request $instance Instance for this class (singleton pattern)
     */
    protected static $instance = null;

    /**
     * @var string $ip The client IP
     */
    protected $ip = '';

    /**
     * @var string $lang The client primary language
     */
    protected $lang = '';

    /**
     * @var string $referer The referer url
     */
    protected $referer = '';

    /**
     * @var string $method The HTTP method (GET/POST/PUT/DELETE/...)
     */
    protected $method = '';

    /**
     * @var boolean|null $ssl If the request is with ssl (https) or not
     */
    protected $ssl;

    /**
     * @var \stdClass|null The current request
     */
    protected $request;

    /**
     * Create singleton instance for this class
     * 
     * @return \BFW\Request
     */
    public static function getInstance(): Request
    {
        if (self::$instance === null) {
            $calledClass    = get_called_class(); //Autorize extends this class
            self::$instance = new $calledClass;
        }

        return self::$instance;
    }

    /**
     * Get the client IP
     * 
     * @return string
     */
    public function getIp(): string
    {
        return $this->ip;
    }

    /**
     * Get the client primary language
     * 
     * @return string
     */
    public function getLang(): string
    {
        return $this->lang;
    }

    /**
     * Get the referer url
     * 
     * @return string
     */
    public function getReferer(): string
    {
        return $this->referer;
    }

    /**
     * Get the http method
     * 
     * @return string
     */
    public function getMethod(): string
    {
        return $this->method;
    }

    /**
     * Get information about if the request is ssl
     * 
     * @return boolean|null
     */
    public function getSsl()
    {
        return $this->ssl;
    }

    /**
     * Get the current request
     * 
     * @return \stdClass|null
     */
    public function getRequest()
    {
        return $this->request;
    }

    /**
     * Get the information from the $_SERVER array if the key exist.
     * If not exist, return an exception.
     * 
     * @param string $keyName The key's value in $_SERVER array
     * 
     * @return string
     * 
     * @throws \Exception If the key not exist into $_SERVER
     */
    public static function getServerValue(string $keyName): string
    {
        if (!isset($_SERVER[$keyName])) {
            throw new \Exception(
                'The key '.$keyName.' not exist into $_SERVER array',
                self::ERR_KEY_NOT_EXIST
            );
        }

        return $_SERVER[$keyName];
    }
    
    /**
     * Get the information from the $_SERVER array if the key exist.
     * If not exist, return a empty string.
     * 
     * @param string $keyName The key's value in $_SERVER array
     * 
     * @return string
     */
    protected function serverValue(string $keyName): string
    {
        $calledClass = get_called_class(); //Autorize extends this class
        
        try {
            return $calledClass::getServerValue($keyName);
        } catch (\Exception $e) {
            return '';
        }
    }
    
    /**
     * Run all detect method
     * 
     * @return void
     */
    public function runDetect()
    {
        $this->detectIp();
        $this->detectLang();
        $this->detectReferer();
        $this->detectMethod();
        $this->detectSsl();
        $this->detectRequest();
    }

    /**
     * Detect the client IP
     * 
     * @return void
     */
    protected function detectIp()
    {
        $this->ip = $this->serverValue('REMOTE_ADDR');
    }

    /**
     * Detect the primary client's language
     * 
     * @return void
     */
    protected function detectLang()
    {
        /*
         * HTTP_ACCEPT_LANGUAGE -> fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4
         * First "fr-FR" (preference 1/1)
         * After in the order, "fr" (preference 0.8 / 1)
         * Next "en-US" (preference 0.6/1)
         * End "en" (preference 0.4/1)
         **/
        
        $acceptLanguage = $this->serverValue('HTTP_ACCEPT_LANGUAGE');
        if (empty($acceptLanguage)) {
            $this->lang = '';
            return;
        }
        
        $acceptedLangs = explode(',', $acceptLanguage);
        $firstLang     = explode(';', $acceptedLangs[0]);
        $lang          = strtolower($firstLang[0]);

        if (strpos($lang, '-') !== false) {
            $minLang = explode('-', $lang);
            $lang    = $minLang[0];
        }

        $this->lang = $lang;
    }

    /**
     * Detect the referer page
     * 
     * @return void
     */
    protected function detectReferer()
    {
        $this->referer = $this->serverValue('HTTP_REFERER');
    }

    /**
     * Detect the http method
     * 
     * @return void
     */
    protected function detectMethod()
    {
        $this->method = $this->serverValue('REQUEST_METHOD');
    }

    /**
     * Detect if the request is with ssl (https)
     * 
     * @return void
     */
    protected function detectSsl()
    {
        $serverHttps = $this->serverValue('HTTPS');
        $fwdProto    = $this->serverValue('HTTP_X_FORWARDED_PROTO');
        $fwdSsl      = $this->serverValue('HTTP_X_FORWARDED_SSL');

        $this->ssl = false;

        if (!empty($serverHttps) && $serverHttps !== 'off') {
            $this->ssl = true;
        } elseif (!empty($fwdProto) && $fwdProto === 'https') {
            $this->ssl = true;
        } elseif (!empty($fwdSsl) && $fwdSsl === 'on') {
            $this->ssl = true;
        }
    }

    /**
     * Detect the current request informations
     * 
     * @return void
     */
    protected function detectRequest()
    {
        $parseUrl = parse_url($this->serverValue('REQUEST_URI'));
        $scheme   = ($this->ssl === true) ? 'https' : 'http';

        $request = [
            'scheme'   => $scheme,
            'host'     => $this->serverValue('HTTP_HOST'),
            'port'     => $this->serverValue('SERVER_PORT'),
            'user'     => $this->serverValue('PHP_AUTH_USER'),
            'pass'     => $this->serverValue('PHP_AUTH_PW'),
            'path'     => '',
            'query'    => '',
            'fragment' => '',
        ];

        //Keep auto-convert to object. Less complexity for merge with array.
        $this->request = (object) array_merge($request, $parseUrl);
    }
}


1			<?php
2
3			namespace BFW;
4
5			/**
6			* Class to get informations about http request.
7			* Singleton pattern.
8			*/
9			class Request
10			{
11			/**
12			* @const ERR_KEY_NOT_EXIST Exception code if a key not exist into the
13			* $_SERVER array.
14			*/
15			const ERR_KEY_NOT_EXIST = 1107001;
16
17			/**
18			* @var \BFW\Request $instance Instance for this class (singleton pattern)
19			*/
20			protected static $instance = null;
21
22			/**
23			* @var string $ip The client IP
24			*/
25			protected $ip = '';
26
27			/**
28			* @var string $lang The client primary language
29			*/
30			protected $lang = '';
31
32			/**
33			* @var string $referer The referer url
34			*/
35			protected $referer = '';
36
37			/**
38			* @var string $method The HTTP method (GET/POST/PUT/DELETE/...)
39			*/
40			protected $method = '';
41
42			/**
43			* @var boolean\|null $ssl If the request is with ssl (https) or not
44			*/
45			protected $ssl;
46
47			/**
48			* @var \stdClass\|null The current request
49			*/
50			protected $request;
51
52			/**
53			* Create singleton instance for this class
54			*
55			* @return \BFW\Request
56			*/
57			public static function getInstance(): Request
58			{
59			if (self::$instance === null) {
60			$calledClass = get_called_class(); //Autorize extends this class
61			self::$instance = new $calledClass;
62			}
63
64			return self::$instance;
65			}
66
67			/**
68			* Get the client IP
69			*
70			* @return string
71			*/
72			public function getIp(): string
73			{
74			return $this->ip;
75			}
76
77			/**
78			* Get the client primary language
79			*
80			* @return string
81			*/
82			public function getLang(): string
83			{
84			return $this->lang;
85			}
86
87			/**
88			* Get the referer url
89			*
90			* @return string
91			*/
92			public function getReferer(): string
93			{
94			return $this->referer;
95			}
96
97			/**
98			* Get the http method
99			*
100			* @return string
101			*/
102			public function getMethod(): string
103			{
104			return $this->method;
105			}
106
107			/**
108			* Get information about if the request is ssl
109			*
110			* @return boolean\|null
111			*/
112			public function getSsl()
113			{
114			return $this->ssl;
115			}
116
117			/**
118			* Get the current request
119			*
120			* @return \stdClass\|null
121			*/
122			public function getRequest()
123			{
124			return $this->request;
125			}
126
127			/**
128			* Get the information from the $_SERVER array if the key exist.
129			* If not exist, return an exception.
130			*
131			* @param string $keyName The key's value in $_SERVER array
132			*
133			* @return string
134			*
135			* @throws \Exception If the key not exist into $_SERVER
136			*/
137			public static function getServerValue(string $keyName): string
138			{
139			if (!isset($_SERVER[$keyName])) {
140			throw new \Exception(
141			'The key '.$keyName.' not exist into $_SERVER array',
142			self::ERR_KEY_NOT_EXIST
143			);
144			}
145
146			return $_SERVER[$keyName];
147			}
148
149			/**
150			* Get the information from the $_SERVER array if the key exist.
151			* If not exist, return a empty string.
152			*
153			* @param string $keyName The key's value in $_SERVER array
154			*
155			* @return string
156			*/
157			protected function serverValue(string $keyName): string
158			{
159			$calledClass = get_called_class(); //Autorize extends this class
160
161			try {
162			return $calledClass::getServerValue($keyName);
163			} catch (\Exception $e) {
164			return '';
165			}
166			}
167
168			/**
169			* Run all detect method
170			*
171			* @return void
172			*/
173			public function runDetect()
174			{
175			$this->detectIp();
176			$this->detectLang();
177			$this->detectReferer();
178			$this->detectMethod();
179			$this->detectSsl();
180			$this->detectRequest();
181			}
182
183			/**
184			* Detect the client IP
185			*
186			* @return void
187			*/
188			protected function detectIp()
189			{
190			$this->ip = $this->serverValue('REMOTE_ADDR');
191			}
192
193			/**
194			* Detect the primary client's language
195			*
196			* @return void
197			*/
198			protected function detectLang()
199			{
200			/*
201			* HTTP_ACCEPT_LANGUAGE -> fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4
202			* First "fr-FR" (preference 1/1)
203			* After in the order, "fr" (preference 0.8 / 1)
204			* Next "en-US" (preference 0.6/1)
205			* End "en" (preference 0.4/1)
206			**/
207
208			$acceptLanguage = $this->serverValue('HTTP_ACCEPT_LANGUAGE');
209			if (empty($acceptLanguage)) {
210			$this->lang = '';
211			return;
212			}
213
214			$acceptedLangs = explode(',', $acceptLanguage);
215			$firstLang = explode(';', $acceptedLangs[0]);
216			$lang = strtolower($firstLang[0]);
217
218			if (strpos($lang, '-') !== false) {
219			$minLang = explode('-', $lang);
220			$lang = $minLang[0];
221			}
222
223			$this->lang = $lang;
224			}
225
226			/**
227			* Detect the referer page
228			*
229			* @return void
230			*/
231			protected function detectReferer()
232			{
233			$this->referer = $this->serverValue('HTTP_REFERER');
234			}
235
236			/**
237			* Detect the http method
238			*
239			* @return void
240			*/
241			protected function detectMethod()
242			{
243			$this->method = $this->serverValue('REQUEST_METHOD');
244			}
245
246			/**
247			* Detect if the request is with ssl (https)
248			*
249			* @return void
250			*/
251			protected function detectSsl()
252			{
253			$serverHttps = $this->serverValue('HTTPS');
254			$fwdProto = $this->serverValue('HTTP_X_FORWARDED_PROTO');
255			$fwdSsl = $this->serverValue('HTTP_X_FORWARDED_SSL');
256
257			$this->ssl = false;
258
259			if (!empty($serverHttps) && $serverHttps !== 'off') {
260			$this->ssl = true;
261			} elseif (!empty($fwdProto) && $fwdProto === 'https') {
262			$this->ssl = true;
263			} elseif (!empty($fwdSsl) && $fwdSsl === 'on') {
264			$this->ssl = true;
265			}
266			}
267
268			/**
269			* Detect the current request informations
270			*
271			* @return void
272			*/
273			protected function detectRequest()
274			{
275			$parseUrl = parse_url($this->serverValue('REQUEST_URI'));
276			$scheme = ($this->ssl === true) ? 'https' : 'http';
277
278			$request = [
279			'scheme' => $scheme,
280			'host' => $this->serverValue('HTTP_HOST'),
281			'port' => $this->serverValue('SERVER_PORT'),
282			'user' => $this->serverValue('PHP_AUTH_USER'),
283			'pass' => $this->serverValue('PHP_AUTH_PW'),
284			'path' => '',
285			'query' => '',
286			'fragment' => '',
287			];
288
289			//Keep auto-convert to object. Less complexity for merge with array.
290			$this->request = (object) array_merge($request, $parseUrl);
291			}
292			}
293

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Request::detectSsl() B last analyzed 2019-05-25 14:58 UTC

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Request::detectSsl() B
last analyzed 2019-05-25 14:58 UTC