limiter::getAccount() - Code Metrics - Inspection of "Scrutinizer testing" - vince-scarpa/responsibleAPI - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 89971b...1a5c63 )

by Vince

created 2020-06-20 12:50 UTC

limiter::getAccount() A

↳ Parent: limiter

Complexity

Conditions	4
Paths	3

Size

Total Lines	15
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	4
eloc	9
c	1
b	0
f	0
nc	3
nop	0
dl	0
loc	15
rs	9.9666

<?php
/**
 * ==================================
 * Responsible PHP API
 * ==================================
 *
 * @link Git https://github.com/vince-scarpa/responsibleAPI.git
 *
 * @api Responible API
 * @package responsible\core\throttle
 *
 * @author Vince scarpa <[email protected]>
 *
 */
namespace responsible\core\throttle;

use responsible\core\exception;
use responsible\core\throttle;
use responsible\core\user;
use responsible\core\server;

class limiter extends limiterOptions
{
    /**
     * [$unpacked]
     */
    private $unpacked;

    /**
     * [$packed]
     * @var string
     */
    private $packed;

    /**
     * [$bucket]
     * @var object
     */
    private $bucket;

    /**
     * [$tokenPacker Token packer class object]
     * @var object
     */
    private $tokenPacker;

    public function __construct($limit = null, $rate = null)
    {
        if (!is_null($limit)) {
            $this->setCapacity($limit);
        }

        if (!is_null($rate)) {
            $this->setTimeframe($rate);
        }

        $this->bucket = new throttle\tokenBucket;
        $this->tokenPacker = new throttle\tokenPack;
    }

    /**
     * [setupOptions Set any Responsible API options]
     * @return self
     */
    public function setupOptions()
    {
        $options = $this->getOptions();

        $server = new server([], $options);
        $this->isMockTest = $server->isMockTest();

        $this->setCapacity();

        $this->setTimeframe();

        $this->setLeakRate();

        $this->setUnlimited();

        $this->setDebugMode();

        if (isset($this->account->scope) &&
            ($this->account->scope == 'anonymous' || $this->account->scope == 'public')
        ) {
            $this->scope = $this->account->scope;
        }

        return $this;
    }

    /**
     * [throttleRequest Build the Responsible API throttle]
     * @return boolean|void
     */
    public function throttleRequest()
    {
        if ($this->isUnlimited() || $this->scope !== 'private') {
            return true;
        }

        $bucket = $this->bucketObj();

        $this->unpackBucket();
        
        if ($bucket->capacity()) {
            $bucket->pause(false);
            $bucket->fill();

        } else {
            $this->throttlePause();
        }

        $this->save();
    }

    /**
     * [throttlePause Throttle the limiter when there are too many requests]
     * @return void
     */
    private function throttlePause()
    {
        $account = $this->getAccount();
        $bucket = $this->bucketObj();

        if ($this->getLeakRate() <= 0) {
            if ($this->unpacked['pauseAccess'] == false) {
                $bucket->pause(true);
                $this->save();
            }

            if ($bucket->refill($account->access)) {
                $this->save();
            }
        }

        (new exception\errorException)
                ->setOptions($this->getOptions())
                ->error('TOO_MANY_REQUESTS');
    }

    /**
     * Unpack the account bucket data
     */
    private function unpackBucket()
    {
        $account = $this->getAccount();
        $bucket = $this->bucketObj();
        $packer = $this->packerObj();

        $this->unpacked = $packer->unpack(
            $account->bucket
        );
        if (empty($this->unpacked)) {
            $this->unpacked = array(
                'drops' => 1,
                'time' => $account->access,
            );
        }

        $bucket->setTimeframe($this->getTimeframe())
            ->setCapacity($this->getCapacity())
            ->setLeakRate($this->getLeakRate())
            ->pour($this->unpacked['drops'], $this->unpacked['time'])
        ;
    }

    /**
     * [getThrottle Return a list of the throttled results]
     * @return array
     */
    public function getThrottle()
    {
        if ($this->isUnlimited() || $this->scope !== 'private') {
            return array(
                'unlimited' => true,
            );
        }

        $bucket = $this->bucketObj();

        $windowFrame = (is_string($this->getTimeframe()))
        ? $this->getTimeframe()
        : $this->getTimeframe() . 'secs'
        ;

        if (is_null($bucket)) {
            return;
        }

        return array(
            'limit' => $this->getCapacity(),
            'leakRate' => $this->getLeakRate(),
            'leak' => $bucket->getLeakage(),
            'lastAccess' => $this->getLastAccessDate(),
            'description' => $this->getCapacity() . ' requests per ' . $windowFrame,
            'bucket' => $bucket->getTokenData(),
        );
    }

    /**
     * [updateBucket Store the buckets token data and user access time]
     * @return void
     */
    private function save()
    {
        $bucket = $this->bucketObj();
        $packer = $this->packerObj();

        $this->packed = $packer->pack(
            $bucket->getTokenData()
        );

        if($this->isMockTest) {
            return;
        }

        /**
         * [Update account access]
         */
        (new user\user)
            ->setAccountID($this->getAccount()->account_id)
            ->setBucketToken($this->packed)
            ->updateAccountAccess()
        ;
    }

    /**
     * [getLastAccessDate Get the last recorded access in date format]
     * @return string
     */
    private function getLastAccessDate()
    {
        $bucket = $this->bucketObj();

        if (isset($bucket->getTokenData()['time'])) {
            return date('m/d/y h:i:sa', $bucket->getTokenData()['time']);
        }

        return 'Can\'t be converted';
    }

    /**
     * [setAccount Set the requests account]
     * @return self
     */
    public function setAccount($account)
    {
        $this->account = $account;
        return $this;
    }

    /**
     * [getAccount Get the requests account]
     */
    public function getAccount()
    {
        if($this->isMockTest) {
            $this->getMockAccount();
            return $this->mockAccount;
        }

        if (is_null($this->account)||empty($this->account)) {
            (new exception\errorException)
                ->setOptions($this->getOptions())
                ->error('UNAUTHORIZED');
            return;
        }

        return $this->account;
    }

    /**
     * Build a mock account for testing
     * @return void
     */
    private function getMockAccount()
    {
        $bucket = $this->bucketObj();
        $packer = $this->packerObj();

        $mockAccount = [];

        if(!isset($mockAccount['bucket'])) {
            $mockAccount['bucket'] = $packer->pack(
                $bucket->getTokenData()
            );
        }

        $mockAccount['access'] = time();

        $this->mockAccount = (object)$mockAccount;
    }

    /**
     * [bucketObj Get the bucket class object]
     * @return object
     */
    private function bucketObj()
    {
        return $this->bucket;
    }

    /**
     * [packerObj Get the token packer class object]
     * @return object
     */
    private function packerObj()
    {
        return $this->tokenPacker;
    }
}


1			<?php
2			/**
3			* ==================================
4			* Responsible PHP API
5			* ==================================
6			*
7			* @link Git https://github.com/vince-scarpa/responsibleAPI.git
8			*
9			* @api Responible API
10			* @package responsible\core\throttle
11			*
12			* @author Vince scarpa <[email protected]>
13			*
14			*/
15			namespace responsible\core\throttle;
16
17			use responsible\core\exception;
18			use responsible\core\throttle;
19			use responsible\core\user;
20			use responsible\core\server;
21
22			class limiter extends limiterOptions
23			{
24			/**
25			* [$unpacked]
26			*/
27			private $unpacked;
28
29			/**
30			* [$packed]
31			* @var string
32			*/
33			private $packed;
34
35			/**
36			* [$bucket]
37			* @var object
38			*/
39			private $bucket;
40
41			/**
42			* [$tokenPacker Token packer class object]
43			* @var object
44			*/
45			private $tokenPacker;
46
47			public function __construct($limit = null, $rate = null)
48			{
49			if (!is_null($limit)) {
50			$this->setCapacity($limit);
51			}
52
53			if (!is_null($rate)) {
54			$this->setTimeframe($rate);
55			}
56
57			$this->bucket = new throttle\tokenBucket;
58			$this->tokenPacker = new throttle\tokenPack;
59			}
60
61			/**
62			* [setupOptions Set any Responsible API options]
63			* @return self
64			*/
65			public function setupOptions()
66			{
67			$options = $this->getOptions();
68
69			$server = new server([], $options);
70			$this->isMockTest = $server->isMockTest();
71
72			$this->setCapacity();
73
74			$this->setTimeframe();
75
76			$this->setLeakRate();
77
78			$this->setUnlimited();
79
80			$this->setDebugMode();
81
82			if (isset($this->account->scope) &&
83			($this->account->scope == 'anonymous' \|\| $this->account->scope == 'public')
84			) {
85			$this->scope = $this->account->scope;
86			}
87
88			return $this;
89			}
90
91			/**
92			* [throttleRequest Build the Responsible API throttle]
93			* @return boolean\|void
94			*/
95			public function throttleRequest()
96			{
97			if ($this->isUnlimited() \|\| $this->scope !== 'private') {
98			return true;
99			}
100
101			$bucket = $this->bucketObj();
102
103			$this->unpackBucket();
104
105			if ($bucket->capacity()) {
106			$bucket->pause(false);
107			$bucket->fill();
108
109			} else {
110			$this->throttlePause();
111			}
112
113			$this->save();
114			}
115
116			/**
117			* [throttlePause Throttle the limiter when there are too many requests]
118			* @return void
119			*/
120			private function throttlePause()
121			{
122			$account = $this->getAccount();
123			$bucket = $this->bucketObj();
124
125			if ($this->getLeakRate() <= 0) {
126			if ($this->unpacked['pauseAccess'] == false) {
127			$bucket->pause(true);
128			$this->save();
129			}
130
131			if ($bucket->refill($account->access)) {
132			$this->save();
133			}
134			}
135
136			(new exception\errorException)
137			->setOptions($this->getOptions())
138			->error('TOO_MANY_REQUESTS');
139			}
140
141			/**
142			* Unpack the account bucket data
143			*/
144			private function unpackBucket()
145			{
146			$account = $this->getAccount();
147			$bucket = $this->bucketObj();
148			$packer = $this->packerObj();
149
150			$this->unpacked = $packer->unpack(
151			$account->bucket
152			);
153			if (empty($this->unpacked)) {
154			$this->unpacked = array(
155			'drops' => 1,
156			'time' => $account->access,
157			);
158			}
159
160			$bucket->setTimeframe($this->getTimeframe())
161			->setCapacity($this->getCapacity())
162			->setLeakRate($this->getLeakRate())
163			->pour($this->unpacked['drops'], $this->unpacked['time'])
164			;
165			}
166
167			/**
168			* [getThrottle Return a list of the throttled results]
169			* @return array
170			*/
171			public function getThrottle()
172			{
173			if ($this->isUnlimited() \|\| $this->scope !== 'private') {
174			return array(
175			'unlimited' => true,
176			);
177			}
178
179			$bucket = $this->bucketObj();
180
181			$windowFrame = (is_string($this->getTimeframe()))
182			? $this->getTimeframe()
183			: $this->getTimeframe() . 'secs'
184			;
185
186			if (is_null($bucket)) {
187			return;
188			}
189
190			return array(
191			'limit' => $this->getCapacity(),
192			'leakRate' => $this->getLeakRate(),
193			'leak' => $bucket->getLeakage(),
194			'lastAccess' => $this->getLastAccessDate(),
195			'description' => $this->getCapacity() . ' requests per ' . $windowFrame,
196			'bucket' => $bucket->getTokenData(),
197			);
198			}
199
200			/**
201			* [updateBucket Store the buckets token data and user access time]
202			* @return void
203			*/
204			private function save()
205			{
206			$bucket = $this->bucketObj();
207			$packer = $this->packerObj();
208
209			$this->packed = $packer->pack(
210			$bucket->getTokenData()
211			);
212
213			if($this->isMockTest) {
214			return;
215			}
216
217			/**
218			* [Update account access]
219			*/
220			(new user\user)
221			->setAccountID($this->getAccount()->account_id)
222			->setBucketToken($this->packed)
223			->updateAccountAccess()
224			;
225			}
226
227			/**
228			* [getLastAccessDate Get the last recorded access in date format]
229			* @return string
230			*/
231			private function getLastAccessDate()
232			{
233			$bucket = $this->bucketObj();
234
235			if (isset($bucket->getTokenData()['time'])) {
236			return date('m/d/y h:i:sa', $bucket->getTokenData()['time']);
237			}
238
239			return 'Can\'t be converted';
240			}
241
242			/**
243			* [setAccount Set the requests account]
244			* @return self
245			*/
246			public function setAccount($account)
247			{
248			$this->account = $account;
249			return $this;
250			}
251
252			/**
253			* [getAccount Get the requests account]
254			*/
255			public function getAccount()
256			{
257			if($this->isMockTest) {
258			$this->getMockAccount();
259			return $this->mockAccount;
260			}
261
262			if (is_null($this->account)\|\|empty($this->account)) {
263			(new exception\errorException)
264			->setOptions($this->getOptions())
265			->error('UNAUTHORIZED');
266			return;
267			}
268
269			return $this->account;
270			}
271
272			/**
273			* Build a mock account for testing
274			* @return void
275			*/
276			private function getMockAccount()
277			{
278			$bucket = $this->bucketObj();
279			$packer = $this->packerObj();
280
281			$mockAccount = [];
282
283			if(!isset($mockAccount['bucket'])) {
284			$mockAccount['bucket'] = $packer->pack(
285			$bucket->getTokenData()
286			);
287			}
288
289			$mockAccount['access'] = time();
290
291			$this->mockAccount = (object)$mockAccount;
292			}
293
294			/**
295			* [bucketObj Get the bucket class object]
296			* @return object
297			*/
298			private function bucketObj()
299			{
300			return $this->bucket;
301			}
302
303			/**
304			* [packerObj Get the token packer class object]
305			* @return object
306			*/
307			private function packerObj()
308			{
309			return $this->tokenPacker;
310			}
311			}
312

vince-scarpa / responsibleAPI

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limiter::getAccount() A

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