NoCaptcha::setSecret() - Code Metrics - Inspection of "Updating NoCaptcha (V3)" - ARCANEDEV/noCAPTCHA - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#35)

by ARCANEDEV

created 2016-04-23 17:54 UTC

NoCaptcha::setSecret() A

↳ Parent: NoCaptcha

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	1
eloc	4
c	2
b	0
f	0
nc	1
nop	1
dl	0
loc	8
ccs	4
cts	4
cp	1
crap	1
rs	9.4285

<?php namespace Arcanedev\NoCaptcha;

use Arcanedev\NoCaptcha\Exceptions\ApiException;
use Arcanedev\NoCaptcha\Utilities\Attributes;
use Arcanedev\NoCaptcha\Utilities\Request;
use Psr\Http\Message\ServerRequestInterface;

/**
 * Class     NoCaptcha
 *
 * @package  Arcanedev\NoCaptcha
 * @author   ARCANEDEV <[email protected]>
 */
class NoCaptcha implements Contracts\NoCaptcha
{
    /* ------------------------------------------------------------------------------------------------
     |  Constants
     | ------------------------------------------------------------------------------------------------
     */
    const CLIENT_URL = 'https://www.google.com/recaptcha/api.js';
    const VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';

    /* ------------------------------------------------------------------------------------------------
     |  Properties
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * The shared key between your site and ReCAPTCHA
     *
     * @var string
     */
    private $secret;

    /**
     * Your site key
     *
     * @var string
     */
    private $siteKey;

    /**
     * Forces the widget to render in a specific language.
     * Auto-detects the user's language if unspecified.
     *
     * @var string
     */
    protected $lang;

    /**
     * Decides if we've already loaded the script file or not.
     *
     * @param bool
     */
    protected $scriptLoaded = false;

    /**
     * HTTP Request Client
     *
     * @var \Arcanedev\NoCaptcha\Contracts\Utilities\RequestInterface
     */
    protected $request;

    /**
     * noCaptcha Attributes
     *
     * @var \Arcanedev\NoCaptcha\Contracts\Utilities\AttributesInterface
     */
    protected $attributes;

    /* ------------------------------------------------------------------------------------------------
     |  Constructor
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * NoCaptcha constructor.
     *
     * @param  string       $secret
     * @param  string       $siteKey
     * @param  string|null  $lang
     * @param  array        $attributes
     */
    public function __construct($secret, $siteKey, $lang = null, array $attributes = [])
    {
        $this->setSecret($secret);
        $this->setSiteKey($siteKey);
        $this->setLang($lang);

        $this->setRequestClient(new Request);
        $this->setAttributes(new Attributes($attributes));
    }

    /* ------------------------------------------------------------------------------------------------
     |  Getters & Setters
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Set the secret key.
     *
     * @param  string  $secret
     *
     * @return self
     */
    protected function setSecret($secret)
    {
        $this->checkKey('secret key', $secret);

        $this->secret = $secret;

        return $this;
    }

    /**
     * Set Site key.
     *
     * @param  string  $siteKey
     *
     * @return self
     */
    protected function setSiteKey($siteKey)
    {
        $this->checkKey('site key', $siteKey);

        $this->siteKey = $siteKey;

        return $this;
    }

    /**
     * Set language code.
     *
     * @param  string  $lang
     *
     * @return self
     */
    public function setLang($lang)
    {
        $this->lang = $lang;

        return $this;
    }

    /**
     * Get script source link.
     *
     * @param  string|null  $callbackName
     *
     * @return string
     */
    private function getScriptSrc($callbackName = null)
    {
        $queries = [];

        if ($this->hasLang()) {
            $queries['hl'] = $this->lang;
        }

        if ($this->hasCallbackName($callbackName)) {
            $queries['onload'] = $callbackName;
            $queries['render'] = 'explicit';
        }

        $queries = count($queries) ? '?' . http_build_query($queries) : '';

        return static::CLIENT_URL . $queries;
    }

    /**
     * Set HTTP Request Client.
     *
     * @param  \Arcanedev\NoCaptcha\Contracts\Utilities\RequestInterface  $request
     *
     * @return self
     */
    public function setRequestClient(
        Contracts\Utilities\RequestInterface $request
    ) {
        $this->request = $request;

        return $this;
    }

    /**
     * Set noCaptcha Attributes.
     *
     * @param  \Arcanedev\NoCaptcha\Contracts\Utilities\AttributesInterface  $attributes
     *
     * @return self
     */
    public function setAttributes(
        Contracts\Utilities\AttributesInterface $attributes
    ) {
        $this->attributes = $attributes;

        return $this;
    }

    /**
     * Get attribute name + id.
     *
     * @param  string  $name
     *
     * @return array
     */
    protected function getNameAttribute($name)
    {
        return array_combine(['id', 'name'], [$name, $name]);
    }

    /* ------------------------------------------------------------------------------------------------
     |  Main Functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Display Captcha.
     *
     * @param  string  $name
     * @param  array   $attributes
     *
     * @return string
     */
    public function display($name, array $attributes = [])
    {
        $output = $this->attributes->build(
            $this->siteKey, array_merge($this->getNameAttribute($name), $attributes)
        );

        return '<div ' . $output . '></div>';
    }

    /**
     * Display image Captcha.
     *
     * @param  string  $name
     * @param  array   $attributes
     *
     * @return string
     */
    public function image($name, array $attributes = [])
    {
        return $this->display(
            $name, array_merge($attributes, $this->attributes->getImageAttribute())
        );
    }

    /**
     * Display audio Captcha.
     *
     * @param  string  $name
     * @param  array   $attributes
     *
     * @return string
     */
    public function audio($name, array $attributes = [])
    {
        return $this->display(
            $name, array_merge($attributes, $this->attributes->getAudioAttribute())
        );
    }

    /**
     * Verify Response.
     *
     * @param  string  $response
     * @param  string  $clientIp
     *
     * @return bool
     */
    public function verify($response, $clientIp = null)
    {
        if (empty($response)) return false;

        $response = $this->sendVerifyRequest([
            'secret'   => $this->secret,
            'response' => $response,
            'remoteip' => $clientIp
        ]);

        return isset($response['success']) && $response['success'] === true;
    }

    /**
     * Calls the reCAPTCHA siteverify API to verify whether the user passes CAPTCHA
     * test using a PSR-7 ServerRequest object.
     *
     * @param  \Psr\Http\Message\ServerRequestInterface  $request
     *
     * @return bool
     */
    public function verifyRequest(ServerRequestInterface $request)
    {
        $body   = $request->getParsedBody();
        $server = $request->getServerParams();

        $response = isset($body['g-recaptcha-response'])
            ? $body['g-recaptcha-response']
            : '';

        $remoteIp = isset($server['REMOTE_ADDR'])
            ? $server['REMOTE_ADDR']
            : null;

        return $this->verify($response, $remoteIp);
    }

    /**
     * Get script tag.
     *
     * @param  string|null  $callbackName
     *
     * @return string
     */
    public function script($callbackName = null)
    {
        $script = '';

        if ( ! $this->scriptLoaded) {
            $script = '<script src="' . $this->getScriptSrc($callbackName) . '" async defer></script>';
            $this->scriptLoaded = true;
        }

        return $script;
    }

    /**
     * Get script tag with a callback function.
     *
     * @param  array   $captchas
     * @param  string  $callbackName
     *
     * @return string
     */
    public function scriptWithCallback(array $captchas, $callbackName = 'captchaRenderCallback')
    {
        $script = $this->script($callbackName);

        if (empty($script) || empty($captchas)) {
            return $script;
        }

        return implode(PHP_EOL, [implode(PHP_EOL, [
            '<script>',
                "var $callbackName = function() {",
                    $this->renderCaptchas($captchas),
                '};',
            '</script>'
        ]), $script]);
    }

    /**
     * Rendering captchas with callback function.
     *
     * @param  array  $captchas
     *
     * @return string
     */
    private function renderCaptchas(array $captchas)
    {
        return implode(PHP_EOL, array_map(function($captcha) {
            return "if (document.getElementById('$captcha')) { grecaptcha.render('$captcha', {'sitekey' : '{$this->siteKey}'}); }";
        }, $captchas));
    }

    /* ------------------------------------------------------------------------------------------------
     |  Check Functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Check if has lang.
     *
     * @return bool
     */
    private function hasLang()
    {
        return ! empty($this->lang);
    }

    /**
     * Check if callback is not empty.
     *
     * @param  string|null  $callbackName
     *
     * @return bool
     */
    private function hasCallbackName($callbackName)
    {
        return ! (is_null($callbackName) || trim($callbackName) === '');
    }

    /**
     * Check key.
     *
     * @param  string  $name
     * @param  string  $value
     *
     * @throws \Arcanedev\NoCaptcha\Exceptions\ApiException
     */
    private function checkKey($name, &$value)
    {
        $this->checkIsString($name, $value);

        $value = trim($value);

        $this->checkIsNotEmpty($name, $value);
    }

    /**
     * Check if the value is a string value.
     *
     * @param  string  $name
     * @param  string  $value
     *
     * @throws \Arcanedev\NoCaptcha\Exceptions\ApiException
     */
    private function checkIsString($name, $value)
    {
        if ( ! is_string($value)) {
            throw new ApiException(
                'The ' . $name . ' must be a string value, ' . gettype($value) . ' given'
            );
        }
    }

    /**
     * Check if the value is not empty.
     *
     * @param string  $name
     * @param string  $value
     *
     * @throws \Arcanedev\NoCaptcha\Exceptions\ApiException
     */
    private function checkIsNotEmpty($name, $value)
    {
        if (empty($value)) {
            throw new ApiException('The ' . $name . ' must not be empty');
        }
    }

    /* ------------------------------------------------------------------------------------------------
     |  Other functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Send verify request to API and get response.
     *
     * @param  array  $query
     *
     * @return array
     */
    private function sendVerifyRequest(array $query = [])
    {
        $query    = array_filter($query);
        $url      = static::VERIFY_URL . '?' . http_build_query($query);
        $response = $this->request->send($url);

        return $response;
    }
}


1		<?php namespace Arcanedev\NoCaptcha;
2
3		use Arcanedev\NoCaptcha\Exceptions\ApiException;
4		use Arcanedev\NoCaptcha\Utilities\Attributes;
5		use Arcanedev\NoCaptcha\Utilities\Request;
6		use Psr\Http\Message\ServerRequestInterface;
7
8		/**
9		* Class NoCaptcha
10		*
11		* @package Arcanedev\NoCaptcha
12		* @author ARCANEDEV <[email protected]>
13		*/
14		class NoCaptcha implements Contracts\NoCaptcha
15		{
16		/* ------------------------------------------------------------------------------------------------
17		\| Constants
18		\| ------------------------------------------------------------------------------------------------
19		*/
20		const CLIENT_URL = 'https://www.google.com/recaptcha/api.js';
21		const VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
22
23		/* ------------------------------------------------------------------------------------------------
24		\| Properties
25		\| ------------------------------------------------------------------------------------------------
26		*/
27		/**
28		* The shared key between your site and ReCAPTCHA
29		*
30		* @var string
31		*/
32		private $secret;
33
34		/**
35		* Your site key
36		*
37		* @var string
38		*/
39		private $siteKey;
40
41		/**
42		* Forces the widget to render in a specific language.
43		* Auto-detects the user's language if unspecified.
44		*
45		* @var string
46		*/
47		protected $lang;
48
49		/**
50		* Decides if we've already loaded the script file or not.
51		*
52		* @param bool
53		*/
54		protected $scriptLoaded = false;
55
56		/**
57		* HTTP Request Client
58		*
59		* @var \Arcanedev\NoCaptcha\Contracts\Utilities\RequestInterface
60		*/
61		protected $request;
62
63		/**
64		* noCaptcha Attributes
65		*
66		* @var \Arcanedev\NoCaptcha\Contracts\Utilities\AttributesInterface
67		*/
68		protected $attributes;
69
70		/* ------------------------------------------------------------------------------------------------
71		\| Constructor
72		\| ------------------------------------------------------------------------------------------------
73		*/
74		/**
75		* NoCaptcha constructor.
76		*
77		* @param string $secret
78		* @param string $siteKey
79		* @param string\|null $lang
80		* @param array $attributes
81		*/
82	276	public function __construct($secret, $siteKey, $lang = null, array $attributes = [])
83		{
84	276	$this->setSecret($secret);
85	276	$this->setSiteKey($siteKey);
86	276	$this->setLang($lang);
87
88	276	$this->setRequestClient(new Request);
89	276	$this->setAttributes(new Attributes($attributes));
90	276	}
91
92		/* ------------------------------------------------------------------------------------------------
93		\| Getters & Setters
94		\| ------------------------------------------------------------------------------------------------
95		*/
96		/**
97		* Set the secret key.
98		*
99		* @param string $secret
100		*
101		* @return self
102		*/
103	276	protected function setSecret($secret)
104		{
105	276	$this->checkKey('secret key', $secret);
106
107	276	$this->secret = $secret;
108
109	276	return $this;
110		}
111
112		/**
113		* Set Site key.
114		*
115		* @param string $siteKey
116		*
117		* @return self
118		*/
119	276	protected function setSiteKey($siteKey)
120		{
121	276	$this->checkKey('site key', $siteKey);
122
123	276	$this->siteKey = $siteKey;
124
125	276	return $this;
126		}
127
128		/**
129		* Set language code.
130		*
131		* @param string $lang
132		*
133		* @return self
134		*/
135	276	public function setLang($lang)
136		{
137	276	$this->lang = $lang;
138
139	276	return $this;
140		}
141
142		/**
143		* Get script source link.
144		*
145		* @param string\|null $callbackName
146		*
147		* @return string
148		*/
149	72	private function getScriptSrc($callbackName = null)
150		{
151	72	$queries = [];
152
153	72	if ($this->hasLang()) {
154	36	$queries['hl'] = $this->lang;
155	27	}
156
157	72	if ($this->hasCallbackName($callbackName)) {
158	12	$queries['onload'] = $callbackName;
159	12	$queries['render'] = 'explicit';
160	9	}
161
162	72	$queries = count($queries) ? '?' . http_build_query($queries) : '';
163
164	72	return static::CLIENT_URL . $queries;
165		}
166
167		/**
168		* Set HTTP Request Client.
169		*
170		* @param \Arcanedev\NoCaptcha\Contracts\Utilities\RequestInterface $request
171		*
172		* @return self
173		*/
174	276	public function setRequestClient(
175		Contracts\Utilities\RequestInterface $request
176		) {
177	276	$this->request = $request;
178
179	276	return $this;
180		}
181
182		/**
183		* Set noCaptcha Attributes.
184		*
185		* @param \Arcanedev\NoCaptcha\Contracts\Utilities\AttributesInterface $attributes
186		*
187		* @return self
188		*/
189	276	public function setAttributes(
190		Contracts\Utilities\AttributesInterface $attributes
191		) {
192	276	$this->attributes = $attributes;
193
194	276	return $this;
195		}
196
197		/**
198		* Get attribute name + id.
199		*
200		* @param string $name
201		*
202		* @return array
203		*/
204	84	protected function getNameAttribute($name)
205		{
206	84	return array_combine(['id', 'name'], [$name, $name]);
207		}
208
209		/* ------------------------------------------------------------------------------------------------
210		\| Main Functions
211		\| ------------------------------------------------------------------------------------------------
212		*/
213		/**
214		* Display Captcha.
215		*
216		* @param string $name
217		* @param array $attributes
218		*
219		* @return string
220		*/
221	84	public function display($name, array $attributes = [])
222		{
223	84	$output = $this->attributes->build(
224	84	$this->siteKey, array_merge($this->getNameAttribute($name), $attributes)
225	63	);
226
227	84	return '<div ' . $output . '></div>';
228		}
229
230		/**
231		* Display image Captcha.
232		*
233		* @param string $name
234		* @param array $attributes
235		*
236		* @return string
237		*/
238	12	public function image($name, array $attributes = [])
239		{
240	12	return $this->display(
241	12	$name, array_merge($attributes, $this->attributes->getImageAttribute())
242	9	);
243		}
244
245		/**
246		* Display audio Captcha.
247		*
248		* @param string $name
249		* @param array $attributes
250		*
251		* @return string
252		*/
253	12	public function audio($name, array $attributes = [])
254		{
255	12	return $this->display(
256	12	$name, array_merge($attributes, $this->attributes->getAudioAttribute())
257	9	);
258		}
259
260		/**
261		* Verify Response.
262		*
263		* @param string $response
264		* @param string $clientIp
265		*
266		* @return bool
267		*/
268	72	public function verify($response, $clientIp = null)
269		{
270	72	if (empty($response)) return false;
271
272	72	$response = $this->sendVerifyRequest([
273	72	'secret' => $this->secret,
274	72	'response' => $response,
275	18	'remoteip' => $clientIp
276	54	]);
277
278	72	return isset($response['success']) && $response['success'] === true;
279		}
280
281		/**
282		* Calls the reCAPTCHA siteverify API to verify whether the user passes CAPTCHA
283		* test using a PSR-7 ServerRequest object.
284		*
285		* @param \Psr\Http\Message\ServerRequestInterface $request
286		*
287		* @return bool
288		*/
289	12	public function verifyRequest(ServerRequestInterface $request)
290		{
291	12	$body = $request->getParsedBody();
292	12	$server = $request->getServerParams();
293
294	12	$response = isset($body['g-recaptcha-response'])
295	12	? $body['g-recaptcha-response']
296	12	: '';
297
298	12	$remoteIp = isset($server['REMOTE_ADDR'])
299	12	? $server['REMOTE_ADDR']
300	12	: null;
301
302	12	return $this->verify($response, $remoteIp);
303		}
304
305		/**
306		* Get script tag.
307		*
308		* @param string\|null $callbackName
309		*
310		* @return string
311		*/
312	72	public function script($callbackName = null)
313		{
314	72	$script = '';
315
316	72	if ( ! $this->scriptLoaded) {
317	72	$script = '<script src="' . $this->getScriptSrc($callbackName) . '" async defer></script>';
318	72	$this->scriptLoaded = true;
319	54	}
320
321	72	return $script;
322		}
323
324		/**
325		* Get script tag with a callback function.
326		*
327		* @param array $captchas
328		* @param string $callbackName
329		*
330		* @return string
331		*/
332	12	public function scriptWithCallback(array $captchas, $callbackName = 'captchaRenderCallback')
333		{
334	12	$script = $this->script($callbackName);
335
336	12	if (empty($script) \|\| empty($captchas)) {
337	12	return $script;
338		}
339
340	12	return implode(PHP_EOL, [implode(PHP_EOL, [
341	12	'<script>',
342	12	"var $callbackName = function() {",
343	12	$this->renderCaptchas($captchas),
344	12	'};',
345	3	'</script>'
346	12	]), $script]);
347		}
348
349		/**
350		* Rendering captchas with callback function.
351		*
352		* @param array $captchas
353		*
354		* @return string
355		*/
356		private function renderCaptchas(array $captchas)
357		{
358	12	return implode(PHP_EOL, array_map(function($captcha) {
359	12	return "if (document.getElementById('$captcha')) { grecaptcha.render('$captcha', {'sitekey' : '{$this->siteKey}'}); }";
360	12	}, $captchas));
361		}
362
363		/* ------------------------------------------------------------------------------------------------
364		\| Check Functions
365		\| ------------------------------------------------------------------------------------------------
366		*/
367		/**
368		* Check if has lang.
369		*
370		* @return bool
371		*/
372	72	private function hasLang()
373		{
374	72	return ! empty($this->lang);
375		}
376
377		/**
378		* Check if callback is not empty.
379		*
380		* @param string\|null $callbackName
381		*
382		* @return bool
383		*/
384	72	private function hasCallbackName($callbackName)
385		{
386	72	return ! (is_null($callbackName) \|\| trim($callbackName) === '');
387		}
388
389		/**
390		* Check key.
391		*
392		* @param string $name
393		* @param string $value
394		*
395		* @throws \Arcanedev\NoCaptcha\Exceptions\ApiException
396		*/
397	276	private function checkKey($name, &$value)
398		{
399	276	$this->checkIsString($name, $value);
400
401	276	$value = trim($value);
402
403	276	$this->checkIsNotEmpty($name, $value);
404	276	}
405
406		/**
407		* Check if the value is a string value.
408		*
409		* @param string $name
410		* @param string $value
411		*
412		* @throws \Arcanedev\NoCaptcha\Exceptions\ApiException
413		*/
414	276	private function checkIsString($name, $value)
415		{
416	276	if ( ! is_string($value)) {
417	24	throw new ApiException(
418	24	'The ' . $name . ' must be a string value, ' . gettype($value) . ' given'
419	18	);
420		}
421	276	}
422
423		/**
424		* Check if the value is not empty.
425		*
426		* @param string $name
427		* @param string $value
428		*
429		* @throws \Arcanedev\NoCaptcha\Exceptions\ApiException
430		*/
431	276	private function checkIsNotEmpty($name, $value)
432		{
433	276	if (empty($value)) {
434	24	throw new ApiException('The ' . $name . ' must not be empty');
435		}
436	276	}
437
438		/* ------------------------------------------------------------------------------------------------
439		\| Other functions
440		\| ------------------------------------------------------------------------------------------------
441		*/
442		/**
443		* Send verify request to API and get response.
444		*
445		* @param array $query
446		*
447		* @return array
448		*/
449	72	private function sendVerifyRequest(array $query = [])
450		{
451	72	$query = array_filter($query);
452	72	$url = static::VERIFY_URL . '?' . http_build_query($query);
453	72	$response = $this->request->send($url);
454
455	72	return $response;
456		}
457		}
458

ARCANEDEV / noCAPTCHA

Pull Request — master (#35)

NoCaptcha::setSecret() A

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