Request::getServerValue() - Code Metrics - Inspection of "Module::runModule : $module is useless" - bfw-systems/bfw - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 3.0 ( 043bf5...92a966 )

by Vermeulen

created 2017-05-10 19:21 UTC

Request::getServerValue() A

↳ Parent: Request

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	10
rs	9.4285
cc	2
eloc	5
nc	2
nop	1

<?php

namespace BFW;

/**
 * Class to get informations about http request.
 * Singleton pattern.
 */
class Request
{
    /**
     * @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 $ssl If the request is with ssl (https) or not
     */
    protected $ssl;

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

    /**
     * Constructor
     * Call runDetect to detect all informations
     */
    protected function __construct()
    {
        $this->runDetect();
    }

    /**
     * Create singleton instance for this class
     * 
     * @return \BFW\Request
     */
    public static function getInstance()

    {
        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()
    {
        return $this->ip;
    }

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

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

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

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

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

    /**
     * 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
     * 
     * @throws \Exception If the key not exist into $_SERVER
     */
    public static function getServerValue($keyName)
    {
        if (!isset($_SERVER[$keyName])) {
            throw new \Exception(
                'The key '.$keyName.' not exist into $_SERVER array'
            );
        }

        return $_SERVER[$keyName];
    }
    
    protected function serverValue($keyName)
    {
        $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'));

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

        $this->request = (object) array_merge($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		* @var \BFW\Request $instance Instance for this class (singleton pattern)
13		*/
14		protected static $instance = null;
15
16		/**
17		* @var string $ip The client IP
18		*/
19		protected $ip;
20
21		/**
22		* @var string $lang The client primary language
23		*/
24		protected $lang;
25
26		/**
27		* @var string $referer The referer url
28		*/
29		protected $referer;
30
31		/**
32		* @var string $method The HTTP method (GET/POST/PUT/DELETE/...)
33		*/
34		protected $method;
35
36		/**
37		* @var boolean $ssl If the request is with ssl (https) or not
38		*/
39		protected $ssl;
40
41		/**
42		* @var \stdClass The current request
43		*/
44		protected $request;
45
46		/**
47		* Constructor
48		* Call runDetect to detect all informations
49		*/
50		protected function __construct()
51		{
52		$this->runDetect();
53		}
54
55		/**
56		* Create singleton instance for this class
57		*
58		* @return \BFW\Request
59		*/
60	View Code Duplication	public static function getInstance()
		1 ignored issue – show Duplication introduced 2017-05-10 19:23 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
61		{
62		if (self::$instance === null) {
63		$calledClass = get_called_class(); //Autorize extends this class
64		self::$instance = new $calledClass;
65		}
66
67		return self::$instance;
68		}
69
70		/**
71		* Get the client IP
72		*
73		* @return string
74		*/
75		public function getIp()
76		{
77		return $this->ip;
78		}
79
80		/**
81		* Get the client primary language
82		*
83		* @return string
84		*/
85		public function getLang()
86		{
87		return $this->lang;
88		}
89
90		/**
91		* Get the referer url
92		*
93		* @return string
94		*/
95		public function getReferer()
96		{
97		return $this->referer;
98		}
99
100		/**
101		* Get the http method
102		*
103		* @return string
104		*/
105		public function getMethod()
106		{
107		return $this->method;
108		}
109
110		/**
111		* Get information about if the request is ssl
112		*
113		* @return boolean
114		*/
115		public function getSsl()
116		{
117		return $this->ssl;
118		}
119
120		/**
121		* Get the current request
122		*
123		* @return \stdClass
124		*/
125		public function getRequest()
126		{
127		return $this->request;
128		}
129
130		/**
131		* Get the information from the $_SERVER array if the key exist.
132		* If not exist, return a empty string.
133		*
134		* @param string $keyName The key's value in $_SERVER array
135		*
136		* @return string
137		*
138		* @throws \Exception If the key not exist into $_SERVER
139		*/
140		public static function getServerValue($keyName)
141		{
142		if (!isset($_SERVER[$keyName])) {
143		throw new \Exception(
144		'The key '.$keyName.' not exist into $_SERVER array'
145		);
146		}
147
148		return $_SERVER[$keyName];
149		}
150
151		protected function serverValue($keyName)
152		{
153		$calledClass = get_called_class(); //Autorize extends this class
154
155		try {
156		return $calledClass::getServerValue($keyName);
157		} catch (\Exception $e) {
158		return '';
159		}
160		}
161
162		/**
163		* Run all detect method
164		*
165		* @return void
166		*/
167		public function runDetect()
168		{
169		$this->detectIp();
170		$this->detectLang();
171		$this->detectReferer();
172		$this->detectMethod();
173		$this->detectSsl();
174		$this->detectRequest();
175		}
176
177		/**
178		* Detect the client IP
179		*
180		* @return void
181		*/
182		protected function detectIp()
183		{
184		$this->ip = $this->serverValue('REMOTE_ADDR');
185		}
186
187		/**
188		* Detect the primary client's language
189		*
190		* @return void
191		*/
192		protected function detectLang()
193		{
194		/*
195		* HTTP_ACCEPT_LANGUAGE -> fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4
196		* First "fr-FR" (preference 1/1)
197		* After in the order, "fr" (preference 0.8 / 1)
198		* Next "en-US" (preference 0.6/1)
199		* End "en" (preference 0.4/1)
200		**/
201
202		$acceptLanguage = $this->serverValue('HTTP_ACCEPT_LANGUAGE');
203		if (empty($acceptLanguage)) {
204		$this->lang = '';
205		return;
206		}
207
208		$acceptedLangs = explode(',', $acceptLanguage);
209		$firstLang = explode(';', $acceptedLangs[0]);
210		$lang = strtolower($firstLang[0]);
211
212		if (strpos($lang, '-') !== false) {
213		$minLang = explode('-', $lang);
214		$lang = $minLang[0];
215		}
216
217		$this->lang = $lang;
218		}
219
220		/**
221		* Detect the referer page
222		*
223		* @return void
224		*/
225		protected function detectReferer()
226		{
227		$this->referer = $this->serverValue('HTTP_REFERER');
228		}
229
230		/**
231		* Detect the http method
232		*
233		* @return void
234		*/
235		protected function detectMethod()
236		{
237		$this->method = $this->serverValue('REQUEST_METHOD');
238		}
239
240		/**
241		* Detect if the request is with ssl (https)
242		*
243		* @return void
244		*/
245		protected function detectSsl()
246		{
247		$serverHttps = $this->serverValue('HTTPS');
248		$fwdProto = $this->serverValue('HTTP_X_FORWARDED_PROTO');
249		$fwdSsl = $this->serverValue('HTTP_X_FORWARDED_SSL');
250
251		$this->ssl = false;
252
253		if (!empty($serverHttps) && $serverHttps !== 'off') {
254		$this->ssl = true;
255		} elseif (!empty($fwdProto) && $fwdProto === 'https') {
256		$this->ssl = true;
257		} elseif (!empty($fwdSsl) && $fwdSsl === 'on') {
258		$this->ssl = true;
259		}
260		}
261
262		/**
263		* Detect the current request informations
264		*
265		* @return void
266		*/
267		protected function detectRequest()
268		{
269		$parseUrl = parse_url($this->serverValue('REQUEST_URI'));
270
271		$request = [
272		'scheme' => '',
273		'host' => $this->serverValue('HTTP_HOST'),
274		'port' => '',
275		'user' => '',
276		'pass' => '',
277		'path' => '',
278		'query' => '',
279		'fragment' => '',
280		];
281
282		$this->request = (object) array_merge($request, $parseUrl);
283		}
284		}
285

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Push — 3.0 ( 043bf5...92a966 )

Request::getServerValue() A

Complexity

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Duplication

Importance

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