Url::checkRequest() - Code Metrics - Inspection of "Merge branch '4.2' into 4.3" - silverstripe/silverstripe-framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 4.3 ( 188698...f76655 )

unknown

created 2019-06-10 05:27 UTC

Url::checkRequest() B

↳ Parent: Url

Complexity

Conditions	11
Paths	8

Size

Total Lines	37
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	11
eloc	18
nc	8
nop	1
dl	0
loc	37
rs	7.3166
c	0
b	0
f	0

How to fix Complexity

<?php

namespace SilverStripe\Control\Middleware\ConfirmationMiddleware;

use SilverStripe\Control\HTTPRequest;
use SilverStripe\Security\Confirmation;

/**
 * A rule to match a particular URL
 */
class Url implements Rule, Bypass
{
    use PathAware;

    /**
     * The HTTP methods
     *
     * @var HttpMethodBypass
     */
    private $httpMethods;

    /**
     * The list of GET parameters URL should have to match
     *
     * @var array keys are parameter names, values are strings to match or null if any
     */
    private $params = null;

    /**
     * Initialize the rule with the parameters
     *
     * @param string $path url path to check for
     * @param string[]|string|null $httpMethods to match against
     * @param string[]|null $params a list of GET parameters
     */
    public function __construct($path, $httpMethods = null, $params = null)
    {
        $this->setPath($path);
        $this->setParams($params);
        $this->httpMethods = new HttpMethodBypass();

        if (is_array($httpMethods)) {
            $this->addHttpMethods(...$httpMethods);
        } elseif (!is_null($httpMethods)) {
            $this->addHttpMethods($httpMethods);
        }
    }

    /**
     * Add HTTP methods to check against
     *
     * @param string[] ...$methods
     *
     * @return $this
     */
    public function addHttpMethods(...$methods)
    {
        $this->httpMethods->addMethods(...$methods);
        return $this;
    }

    /**
     * Returns HTTP methods to be checked
     *
     * @return string[]
     */
    public function getHttpMethods()
    {
        return $this->httpMethods->getMethods();
    }

    /**
     * Set the GET parameters
     * null to skip parameter check
     *
     * If an array of parameters provided,
     * then URL should contain ALL of them and
     * ONLY them to match. If the values in the list
     * contain strings, those will be checked
     * against parameter values accordingly. Null
     * as a value in the array matches any parameter values.
     *
     * @param string|null $httpMethods
     *
     * @return $this
     */
    public function setParams($params = null)
    {
        $this->params = $params;
        return $this;
    }

    public function checkRequestForBypass(HTTPRequest $request)
    {
        return $this->checkRequest($request);
    }

    public function getRequestConfirmationItem(HTTPRequest $request)
    {
        if (!$this->checkRequest($request)) {
            return null;
        }

        $fullPath = $request->getURL(true);
        $token = $this->generateToken($request->httpMethod(), $fullPath);

        return $this->buildConfirmationItem($token, $fullPath);
    }

    /**
     * Match the request against the rules
     *
     * @param HTTPRequest $request
     *
     * @return bool
     */
    public function checkRequest(HTTPRequest $request)
    {
        $httpMethods = $this->getHttpMethods();

        if (count($httpMethods) && !in_array($request->httpMethod(), $httpMethods, true)) {
            return false;
        }

        if (!$this->checkPath($request->getURL())) {
            return false;
        }

        if (!is_null($this->params)) {

            $getVars = $request->getVars();

            // compare the request parameters with the declared ones
            foreach ($this->params as $key => $val) {
                if (is_null($val)) {
                    $cmp = array_key_exists($key, $getVars);
                } else {
                    $cmp = isset($getVars[$key]) && $getVars[$key] === strval($val);
                }

                if (!$cmp) {
                    return false;
                }
            }

            // check only declared parameters exist in the request
            foreach ($getVars as $key => $val) {
                if (!array_key_exists($key, $this->params)) {
                    return false;
                }
            }
        }

        return true;
    }

    /**
     * Checks the given path by the rules and
     * returns true if it is matching
     *
     * @param string $path Path to be checked
     *
     * @return bool
     */
    protected function checkPath($path)
    {
        return $this->getPath() === $this->normalisePath($path);
    }

    /**
     * Generates the confirmation item
     *
     * @param string $token
     * @param string $url
     *
     * @return Confirmation\Item
     */
    protected function buildConfirmationItem($token, $url)
    {
        return new Confirmation\Item(
            $token,
            _t(__CLASS__.'.CONFIRMATION_NAME', 'URL is protected'),
            _t(__CLASS__.'.CONFIRMATION_DESCRIPTION', 'The URL is: "{url}"', ['url' => $url])
        );
    }

    /**
     * Generates the unique token depending on the path
     *
     * @param string $path URL path
     *
     * @return string
     */
    protected function generateToken($httpMethod, $path)
    {
        return sprintf('%s::%s|%s', static::class, $httpMethod, $path);
    }
}


1			<?php
2
3			namespace SilverStripe\Control\Middleware\ConfirmationMiddleware;
4
5			use SilverStripe\Control\HTTPRequest;
6			use SilverStripe\Security\Confirmation;
7
8			/**
9			* A rule to match a particular URL
10			*/
11			class Url implements Rule, Bypass
12			{
13			use PathAware;
14
15			/**
16			* The HTTP methods
17			*
18			* @var HttpMethodBypass
19			*/
20			private $httpMethods;
21
22			/**
23			* The list of GET parameters URL should have to match
24			*
25			* @var array keys are parameter names, values are strings to match or null if any
26			*/
27			private $params = null;
28
29			/**
30			* Initialize the rule with the parameters
31			*
32			* @param string $path url path to check for
33			* @param string[]\|string\|null $httpMethods to match against
34			* @param string[]\|null $params a list of GET parameters
35			*/
36			public function __construct($path, $httpMethods = null, $params = null)
37			{
38			$this->setPath($path);
39			$this->setParams($params);
40			$this->httpMethods = new HttpMethodBypass();
41
42			if (is_array($httpMethods)) {
43			$this->addHttpMethods(...$httpMethods);
44			} elseif (!is_null($httpMethods)) {
45			$this->addHttpMethods($httpMethods);
46			}
47			}
48
49			/**
50			* Add HTTP methods to check against
51			*
52			* @param string[] ...$methods
53			*
54			* @return $this
55			*/
56			public function addHttpMethods(...$methods)
57			{
58			$this->httpMethods->addMethods(...$methods);
59			return $this;
60			}
61
62			/**
63			* Returns HTTP methods to be checked
64			*
65			* @return string[]
66			*/
67			public function getHttpMethods()
68			{
69			return $this->httpMethods->getMethods();
70			}
71
72			/**
73			* Set the GET parameters
74			* null to skip parameter check
75			*
76			* If an array of parameters provided,
77			* then URL should contain ALL of them and
78			* ONLY them to match. If the values in the list
79			* contain strings, those will be checked
80			* against parameter values accordingly. Null
81			* as a value in the array matches any parameter values.
82			*
83			* @param string\|null $httpMethods
84			*
85			* @return $this
86			*/
87			public function setParams($params = null)
88			{
89			$this->params = $params;
90			return $this;
91			}
92
93			public function checkRequestForBypass(HTTPRequest $request)
94			{
95			return $this->checkRequest($request);
96			}
97
98			public function getRequestConfirmationItem(HTTPRequest $request)
99			{
100			if (!$this->checkRequest($request)) {
101			return null;
102			}
103
104			$fullPath = $request->getURL(true);
105			$token = $this->generateToken($request->httpMethod(), $fullPath);
106
107			return $this->buildConfirmationItem($token, $fullPath);
108			}
109
110			/**
111			* Match the request against the rules
112			*
113			* @param HTTPRequest $request
114			*
115			* @return bool
116			*/
117			public function checkRequest(HTTPRequest $request)
118			{
119			$httpMethods = $this->getHttpMethods();
120
121			if (count($httpMethods) && !in_array($request->httpMethod(), $httpMethods, true)) {
122			return false;
123			}
124
125			if (!$this->checkPath($request->getURL())) {
126			return false;
127			}
128
129			if (!is_null($this->params)) {
			0 ignored issues – show introduced 2019-06-10 05:34 UTC by Report Bug Copy Issue Report The condition `is_null($this->params)` is always `false`. Loading history...
130			$getVars = $request->getVars();
131
132			// compare the request parameters with the declared ones
133			foreach ($this->params as $key => $val) {
134			if (is_null($val)) {
135			$cmp = array_key_exists($key, $getVars);
136			} else {
137			$cmp = isset($getVars[$key]) && $getVars[$key] === strval($val);
138			}
139
140			if (!$cmp) {
141			return false;
142			}
143			}
144
145			// check only declared parameters exist in the request
146			foreach ($getVars as $key => $val) {
147			if (!array_key_exists($key, $this->params)) {
148			return false;
149			}
150			}
151			}
152
153			return true;
154			}
155
156			/**
157			* Checks the given path by the rules and
158			* returns true if it is matching
159			*
160			* @param string $path Path to be checked
161			*
162			* @return bool
163			*/
164			protected function checkPath($path)
165			{
166			return $this->getPath() === $this->normalisePath($path);
167			}
168
169			/**
170			* Generates the confirmation item
171			*
172			* @param string $token
173			* @param string $url
174			*
175			* @return Confirmation\Item
176			*/
177			protected function buildConfirmationItem($token, $url)
178			{
179			return new Confirmation\Item(
180			$token,
181			_t(__CLASS__.'.CONFIRMATION_NAME', 'URL is protected'),
182			_t(__CLASS__.'.CONFIRMATION_DESCRIPTION', 'The URL is: "{url}"', ['url' => $url])
183			);
184			}
185
186			/**
187			* Generates the unique token depending on the path
188			*
189			* @param string $path URL path
190			*
191			* @return string
192			*/
193			protected function generateToken($httpMethod, $path)
194			{
195			return sprintf('%s::%s\|%s', static::class, $httpMethod, $path);
196			}
197			}
198

silverstripe / silverstripe-framework

Push — 4.3 ( 188698...f76655 )

Url::checkRequest() B

Complexity

Size

Duplication

Importance

How to fix Complexity

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