JsonSerializer - Code Metrics - zumba/json-serializer - Measure and Improve Code Quality continuously with Scrutinizer

JsonSerializer D
last analyzed 2018-06-19 02:39 UTC

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	511
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
wmc	81
c	1
b	1
f	0
lcom	1
cbo	1
dl	0
loc	511
rs	4.8717

17 Methods

Rating	Name	Size	Complexity
A	__construct()	8	1
B	serialize()	19	6
A	calculateEncodeOptions()	8	2
C	encodeNonUtf8ToUtf8()	43	11
A	processEncodedValue()	7	2
A	unserialize()	14	4
A	setUnserializeUndeclaredPropertyMode()	13	2
D	serializeData()	27	10
B	serializeObject()	25	4
A	getObjectProperties()	12	3
A	extractObjectData()	14	3
B	unserializeData()	19	6
C	decodeNonUtf8FromUtf8()	36	11
C	unserializeObject()	63	13
A	isSplList()	4	1
A	restoreUsingUnserialize()	10	1
A	reset()	6	1

How to fix Complexity

<?php

namespace Zumba\JsonSerializer;

use InvalidArgumentException;
use ReflectionClass;
use ReflectionException;
use SplObjectStorage;
use Zumba\JsonSerializer\Exception\JsonSerializerException;
use SuperClosure\SerializerInterface as ClosureSerializerInterface;

class JsonSerializer
{

    const CLASS_IDENTIFIER_KEY = '@type';
    const CLOSURE_IDENTIFIER_KEY = '@closure';
    const UTF8ENCODED_IDENTIFIER_KEY = '@utf8encoded';
    const SCALAR_IDENTIFIER_KEY = '@scalar';
    const FLOAT_ADAPTER = 'JsonSerializerFloatAdapter';

    const KEY_UTF8ENCODED = 1;
    const VALUE_UTF8ENCODED = 2;

    const UNDECLARED_PROPERTY_MODE_SET = 1;
    const UNDECLARED_PROPERTY_MODE_IGNORE = 2;
    const UNDECLARED_PROPERTY_MODE_EXCEPTION = 3;

    /**
     * Storage for object
     *
     * Used for recursion
     *
     * @var SplObjectStorage
     */
    protected $objectStorage;

    /**
     * Object mapping for recursion
     *
     * @var array
     */
    protected $objectMapping = array();

    /**
     * Object mapping index
     *
     * @var integer
     */
    protected $objectMappingIndex = 0;

    /**
     * Support PRESERVE_ZERO_FRACTION json option
     *
     * @var boolean
     */
    protected $preserveZeroFractionSupport;

    /**
     * Closure serializer instance
     *
     * @var ClosureSerializerInterface
     */
    protected $closureSerializer;

    /**
     * Map of custom object serializers
     *
     * @var array
     */
    protected $customObjectSerializerMap;

    /**
     * Undefined Attribute Mode
     *
     * @var integer
     */
    protected $undefinedAttributeMode = self::UNDECLARED_PROPERTY_MODE_SET;

    /**
     * Constructor.
     *
     * @param ClosureSerializerInterface $closureSerializer
     * @param array                      $customObjectSerializerMap
     */
    public function __construct(
        ClosureSerializerInterface $closureSerializer = null,
        $customObjectSerializerMap = array()
    ) {
        $this->preserveZeroFractionSupport = defined('JSON_PRESERVE_ZERO_FRACTION');
        $this->closureSerializer = $closureSerializer;
        $this->customObjectSerializerMap = (array)$customObjectSerializerMap;
    }

    /**
     * Serialize the value in JSON
     *
     * @param  mixed $value
     * @return string JSON encoded
     * @throws JsonSerializerException
     */
    public function serialize($value)
    {
        $this->reset();
        $serializedData = $this->serializeData($value);
        $encoded = json_encode($serializedData, $this->calculateEncodeOptions());
        if ($encoded === false || json_last_error() != JSON_ERROR_NONE) {
            if (json_last_error() != JSON_ERROR_UTF8) {
                throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
            }

            $serializedData = $this->encodeNonUtf8ToUtf8($serializedData);
            $encoded = json_encode($serializedData, $this->calculateEncodeOptions());

            if ($encoded === false || json_last_error() != JSON_ERROR_NONE) {
                throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
            }
        }
        return $this->processEncodedValue($encoded);
    }

    /**
     * Calculate encoding options
     *
     * @return integer
     */
    protected function calculateEncodeOptions()
    {
        $options = JSON_UNESCAPED_UNICODE;
        if ($this->preserveZeroFractionSupport) {
            $options |= JSON_PRESERVE_ZERO_FRACTION;
        }
        return $options;
    }

    /**
     *
     * @param mixed $serializedData
     *
     * @return array
     */
    protected function encodeNonUtf8ToUtf8($serializedData)
    {
        if (is_string($serializedData)) {
            if (!mb_check_encoding($serializedData, 'UTF-8')) {
                $serializedData = [
                    static::SCALAR_IDENTIFIER_KEY => mb_convert_encoding($serializedData, 'UTF-8', '8bit'),
                    static::UTF8ENCODED_IDENTIFIER_KEY => static::VALUE_UTF8ENCODED,
                ];
            }

            return $serializedData;
        }

        $encodedKeys = [];
        $encodedData = [];
        foreach ($serializedData as $key => $value) {
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
            if (is_array($value)) {
                $value = $this->encodeNonUtf8ToUtf8($value);
            }

            if (!mb_check_encoding($key, 'UTF-8')) {
                $key = mb_convert_encoding($key, 'UTF-8', '8bit');
                $encodedKeys[$key] = isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0;
                $encodedKeys[$key] |= static::KEY_UTF8ENCODED;
            }

            if (is_string($value)) {
                if (!mb_check_encoding($value, 'UTF-8')) {
                    $value = mb_convert_encoding($value, 'UTF-8', '8bit');
                    $encodedKeys[$key] = isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0;
                    $encodedKeys[$key] |= static::VALUE_UTF8ENCODED;
                }
            }

            $encodedData[$key] = $value;
        }

        if ($encodedKeys) {

            $encodedData[self::UTF8ENCODED_IDENTIFIER_KEY] = $encodedKeys;
        }

        return $encodedData;
    }

    /**
     * Execute post-encoding actions
     *
     * @param  string $encoded
     * @return string
     */
    protected function processEncodedValue($encoded)
    {
        if (!$this->preserveZeroFractionSupport) {
            $encoded = preg_replace('/"' . static::FLOAT_ADAPTER . '\((.*?)\)"/', '\1', $encoded);
        }
        return $encoded;
    }

    /**
     * Unserialize the value from JSON
     *
     * @param  string $value
     * @return mixed
     */
    public function unserialize($value)
    {
        $this->reset();
        $data = json_decode($value, true);
        if ($data === null && json_last_error() != JSON_ERROR_NONE) {
            throw new JsonSerializerException('Invalid JSON to unserialize.');
        }

        if (mb_strpos($value, static::UTF8ENCODED_IDENTIFIER_KEY) !== false) {
            $data = $this->decodeNonUtf8FromUtf8($data);
        }

        return $this->unserializeData($data);
    }

    /**
     * Set unserialization mode for undeclared class properties
     *
     * @param  integer $value One of the JsonSerializer::UNDECLARED_PROPERTY_MODE_*
     * @return self
     * @throws InvalidArgumentException When the value is not one of the UNDECLARED_PROPERTY_MODE_* options
     */
    public function setUnserializeUndeclaredPropertyMode($value)
    {
        $availableOptions = [
            static::UNDECLARED_PROPERTY_MODE_SET,
            static::UNDECLARED_PROPERTY_MODE_IGNORE,
            static::UNDECLARED_PROPERTY_MODE_EXCEPTION
        ];
        if (!in_array($value, $availableOptions)) {
            throw new InvalidArgumentException('Invalid value.');
        }
        $this->undefinedAttributeMode = $value;
        return $this;
    }

    /**
     * Parse the data to be json encoded
     *
     * @param  mixed $value
     * @return mixed
     * @throws JsonSerializerException
     */
    protected function serializeData($value)
    {
        if (is_scalar($value) || $value === null) {
            if (!$this->preserveZeroFractionSupport && is_float($value) && ctype_digit((string)$value)) {
                // Because the PHP bug #50224, the float numbers with no
                // precision numbers are converted to integers when encoded
                $value = static::FLOAT_ADAPTER . '(' . $value . '.0)';
            }
            return $value;
        }
        if (is_resource($value)) {
            throw new JsonSerializerException('Resource is not supported in JsonSerializer');
        }
        if (is_array($value)) {
            return array_map(array($this, __FUNCTION__), $value);
        }
        if ($value instanceof \Closure) {
            if (!$this->closureSerializer) {
                throw new JsonSerializerException('Closure serializer not given. Unable to serialize closure.');
            }
            return array(
                static::CLOSURE_IDENTIFIER_KEY => true,
                'value' => $this->closureSerializer->serialize($value)
            );
        }
        return $this->serializeObject($value);
    }

    /**
     * Extract the data from an object
     *
     * @param  object $value
     * @return array
     */
    protected function serializeObject($value)
    {
        if ($this->objectStorage->contains($value)) {
            return array(static::CLASS_IDENTIFIER_KEY => '@' . $this->objectStorage[$value]);
        }
        $this->objectStorage->attach($value, $this->objectMappingIndex++);

        $ref = new ReflectionClass($value);
        $className = $ref->getName();
        if (array_key_exists($className, $this->customObjectSerializerMap)) {
            $data = array(static::CLASS_IDENTIFIER_KEY => $className);
            $data += $this->customObjectSerializerMap[$className]->serialize($value);
            return $data;
        }

        $paramsToSerialize = $this->getObjectProperties($ref, $value);
        $data = array(static::CLASS_IDENTIFIER_KEY => $className);

        if ($value instanceof \SplDoublyLinkedList) {
            return $data + array('value' => $value->serialize());
        }

        $data += array_map(array($this, 'serializeData'), $this->extractObjectData($value, $ref, $paramsToSerialize));
        return $data;
    }

    /**
     * Return the list of properties to be serialized
     *
     * @param  ReflectionClass $ref
     * @param  object          $value
     * @return array
     */
    protected function getObjectProperties($ref, $value)
    {
        if (method_exists($value, '__sleep')) {
            return $value->__sleep();
        }

        $props = array();
        foreach ($ref->getProperties() as $prop) {
            $props[] = $prop->getName();
        }
        return array_unique(array_merge($props, array_keys(get_object_vars($value))));
    }

    /**
     * Extract the object data
     *
     * @param  object          $value
     * @param  ReflectionClass $ref
     * @param  array           $properties
     * @return array
     */
    protected function extractObjectData($value, $ref, $properties)
    {
        $data = array();
        foreach ($properties as $property) {
            try {
                $propRef = $ref->getProperty($property);
                $propRef->setAccessible(true);
                $data[$property] = $propRef->getValue($value);
            } catch (ReflectionException $e) {
                $data[$property] = $value->$property;
            }
        }
        return $data;
    }

    /**
     * Parse the json decode to convert to objects again
     *
     * @param  mixed $value
     * @return mixed
     */
    protected function unserializeData($value)
    {
        if (is_scalar($value) || $value === null) {
            return $value;
        }

        if (isset($value[static::CLASS_IDENTIFIER_KEY])) {
            return $this->unserializeObject($value);

        }

        if (!empty($value[static::CLOSURE_IDENTIFIER_KEY])) {
            if (!$this->closureSerializer) {
                throw new JsonSerializerException('Closure serializer not provided to unserialize closure');
            }
            return $this->closureSerializer->unserialize($value['value']);
        }

        return array_map(array($this, __FUNCTION__), $value);
    }

    /**
     *
     * @param mixed $serializedData
     *
     * @return mixed
     */
    protected function decodeNonUtf8FromUtf8($serializedData)
    {
        if (is_array($serializedData) && isset($serializedData[static::SCALAR_IDENTIFIER_KEY])) {
            $serializedData = mb_convert_encoding($serializedData[static::SCALAR_IDENTIFIER_KEY], '8bit', 'UTF-8');
            return $serializedData;
        } elseif (is_scalar($serializedData) || $serializedData === null) {
            return $serializedData;
        }

        $encodedKeys = [];
        if (isset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY])) {
            $encodedKeys = $serializedData[static::UTF8ENCODED_IDENTIFIER_KEY];
            unset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY]);
        }

        $decodedData = [];
        foreach ($serializedData as $key => $value) {
            if (is_array($value)) {
                $value = $this->decodeNonUtf8FromUtf8($value);
            }

            if (isset($encodedKeys[$key])) {
                $originalKey = $key;
                if ($encodedKeys[$key] & static::KEY_UTF8ENCODED) {
                    $key = mb_convert_encoding($key, '8bit', 'UTF-8');
                }
                if ($encodedKeys[$originalKey] & static::VALUE_UTF8ENCODED) {
                    $value = mb_convert_encoding($value, '8bit', 'UTF-8');
                }
            }

            $decodedData[$key] = $value;
        }

        return $decodedData;
    }

    /**
     * Convert the serialized array into an object
     *
     * @param  array $value
     * @return object
     * @throws JsonSerializerException
     */
    protected function unserializeObject($value)
    {
        $className = $value[static::CLASS_IDENTIFIER_KEY];
        unset($value[static::CLASS_IDENTIFIER_KEY]);

        if ($className[0] === '@') {
            $index = substr($className, 1);
            return $this->objectMapping[$index];
        }

        if (array_key_exists($className, $this->customObjectSerializerMap)) {
            $obj = $this->customObjectSerializerMap[$className]->unserialize($value);
            $this->objectMapping[$this->objectMappingIndex++] = $obj;
            return $obj;
        }

        if (!class_exists($className)) {
            throw new JsonSerializerException('Unable to find class ' . $className);
        }

        if ($className === 'DateTime') {
            $obj = $this->restoreUsingUnserialize($className, $value);
            $this->objectMapping[$this->objectMappingIndex++] = $obj;
            return $obj;
        }

        if (!$this->isSplList($className)) {
            $ref = new ReflectionClass($className);
            $obj = $ref->newInstanceWithoutConstructor();
        } else {
            $obj = new $className();
        }

        if ($obj instanceof \SplDoublyLinkedList) {
            $obj->unserialize($value['value']);
            $this->objectMapping[$this->objectMappingIndex++] = $obj;
            return $obj;
        }

        $this->objectMapping[$this->objectMappingIndex++] = $obj;
        foreach ($value as $property => $propertyValue) {
            try {
                $propRef = $ref->getProperty($property);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $propRef->setAccessible(true);
                $propRef->setValue($obj, $this->unserializeData($propertyValue));
            } catch (ReflectionException $e) {
                switch ($this->undefinedAttributeMode) {
                    case static::UNDECLARED_PROPERTY_MODE_SET:
                        $obj->$property = $this->unserializeData($propertyValue);
                        break;
                    case static::UNDECLARED_PROPERTY_MODE_IGNORE:
                        break;
                    case static::UNDECLARED_PROPERTY_MODE_EXCEPTION:
                        throw new JsonSerializerException('Undefined attribute detected during unserialization');
                        break;
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
                }
            }
        }
        if (method_exists($obj, '__wakeup')) {
            $obj->__wakeup();
        }
        return $obj;
    }

    /**
     *
     * @return boolean
     */
    protected function isSplList($className)
    {
        return in_array($className, array('SplQueue', 'SplDoublyLinkedList', 'SplStack'));
    }

    protected function restoreUsingUnserialize($className, $attributes)
    {
        $obj = (object)$attributes;
        $serialized = preg_replace(
            '|^O:\d+:"\w+":|',
            'O:' . strlen($className) . ':"' . $className . '":',
            serialize($obj)
        );
        return unserialize($serialized);
    }

    /**
     * Reset variables
     *
     * @return void
     */
    protected function reset()
    {
        $this->objectStorage = new SplObjectStorage();
        $this->objectMapping = array();
        $this->objectMappingIndex = 0;
    }
}


GitHub Access Token became invalid

JsonSerializer D
last analyzed 2018-06-19 02:39 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

17 Methods

How to fix Complexity

Complex Class

Available Fixes

1			<?php
2
3			namespace Zumba\JsonSerializer;
4
5			use InvalidArgumentException;
6			use ReflectionClass;
7			use ReflectionException;
8			use SplObjectStorage;
9			use Zumba\JsonSerializer\Exception\JsonSerializerException;
10			use SuperClosure\SerializerInterface as ClosureSerializerInterface;
11
12			class JsonSerializer
13			{
14
15			const CLASS_IDENTIFIER_KEY = '@type';
16			const CLOSURE_IDENTIFIER_KEY = '@closure';
17			const UTF8ENCODED_IDENTIFIER_KEY = '@utf8encoded';
18			const SCALAR_IDENTIFIER_KEY = '@scalar';
19			const FLOAT_ADAPTER = 'JsonSerializerFloatAdapter';
20
21			const KEY_UTF8ENCODED = 1;
22			const VALUE_UTF8ENCODED = 2;
23
24			const UNDECLARED_PROPERTY_MODE_SET = 1;
25			const UNDECLARED_PROPERTY_MODE_IGNORE = 2;
26			const UNDECLARED_PROPERTY_MODE_EXCEPTION = 3;
27
28			/**
29			* Storage for object
30			*
31			* Used for recursion
32			*
33			* @var SplObjectStorage
34			*/
35			protected $objectStorage;
36
37			/**
38			* Object mapping for recursion
39			*
40			* @var array
41			*/
42			protected $objectMapping = array();
43
44			/**
45			* Object mapping index
46			*
47			* @var integer
48			*/
49			protected $objectMappingIndex = 0;
50
51			/**
52			* Support PRESERVE_ZERO_FRACTION json option
53			*
54			* @var boolean
55			*/
56			protected $preserveZeroFractionSupport;
57
58			/**
59			* Closure serializer instance
60			*
61			* @var ClosureSerializerInterface
62			*/
63			protected $closureSerializer;
64
65			/**
66			* Map of custom object serializers
67			*
68			* @var array
69			*/
70			protected $customObjectSerializerMap;
71
72			/**
73			* Undefined Attribute Mode
74			*
75			* @var integer
76			*/
77			protected $undefinedAttributeMode = self::UNDECLARED_PROPERTY_MODE_SET;
78
79			/**
80			* Constructor.
81			*
82			* @param ClosureSerializerInterface $closureSerializer
83			* @param array $customObjectSerializerMap
84			*/
85			public function __construct(
86			ClosureSerializerInterface $closureSerializer = null,
87			$customObjectSerializerMap = array()
88			) {
89			$this->preserveZeroFractionSupport = defined('JSON_PRESERVE_ZERO_FRACTION');
90			$this->closureSerializer = $closureSerializer;
91			$this->customObjectSerializerMap = (array)$customObjectSerializerMap;
92			}
93
94			/**
95			* Serialize the value in JSON
96			*
97			* @param mixed $value
98			* @return string JSON encoded
99			* @throws JsonSerializerException
100			*/
101			public function serialize($value)
102			{
103			$this->reset();
104			$serializedData = $this->serializeData($value);
105			$encoded = json_encode($serializedData, $this->calculateEncodeOptions());
106			if ($encoded === false \|\| json_last_error() != JSON_ERROR_NONE) {
107			if (json_last_error() != JSON_ERROR_UTF8) {
108			throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
109			}
110
111			$serializedData = $this->encodeNonUtf8ToUtf8($serializedData);
112			$encoded = json_encode($serializedData, $this->calculateEncodeOptions());
113
114			if ($encoded === false \|\| json_last_error() != JSON_ERROR_NONE) {
115			throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
116			}
117			}
118			return $this->processEncodedValue($encoded);
119			}
120
121			/**
122			* Calculate encoding options
123			*
124			* @return integer
125			*/
126			protected function calculateEncodeOptions()
127			{
128			$options = JSON_UNESCAPED_UNICODE;
129			if ($this->preserveZeroFractionSupport) {
130			$options \|= JSON_PRESERVE_ZERO_FRACTION;
131			}
132			return $options;
133			}
134
135			/**
136			*
137			* @param mixed $serializedData
138			*
139			* @return array
140			*/
141			protected function encodeNonUtf8ToUtf8($serializedData)
142			{
143			if (is_string($serializedData)) {
144			if (!mb_check_encoding($serializedData, 'UTF-8')) {
145			$serializedData = [
146			static::SCALAR_IDENTIFIER_KEY => mb_convert_encoding($serializedData, 'UTF-8', '8bit'),
147			static::UTF8ENCODED_IDENTIFIER_KEY => static::VALUE_UTF8ENCODED,
148			];
149			}
150
151			return $serializedData;
152			}
153
154			$encodedKeys = [];
155			$encodedData = [];
156			foreach ($serializedData as $key => $value) {
			0 ignored issues – show Bug introduced 2016-06-07 11:42 UTC by Report Bug Copy Issue Report The expression `$serializedData` of type `object\|integer\|double\|null\|array\|boolean` is not guaranteed to be traversable. How about adding an additional type check? There are different options of fixing this problem. If you want to be on the safe side, you can add an additional type-check: $collection = json_decode($data, true); if ( ! is_array($collection)) { throw new \RuntimeException('$collection must be an array.'); } foreach ($collection as $item) { /** ... / } If you are sure that the expression is traversable, you might want to add a doc comment cast* to improve IDE auto-completion and static analysis: /** @var array $collection / $collection = json_decode($data, true); foreach ($collection as $item) { /* .. / } Mark the issue as a false-positive*: Just hover the remove button, in the top-right corner of this issue for more options. Loading history...
157			if (is_array($value)) {
158			$value = $this->encodeNonUtf8ToUtf8($value);
159			}
160
161			if (!mb_check_encoding($key, 'UTF-8')) {
162			$key = mb_convert_encoding($key, 'UTF-8', '8bit');
163			$encodedKeys[$key] = isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0;
164			$encodedKeys[$key] \|= static::KEY_UTF8ENCODED;
165			}
166
167			if (is_string($value)) {
168			if (!mb_check_encoding($value, 'UTF-8')) {
169			$value = mb_convert_encoding($value, 'UTF-8', '8bit');
170			$encodedKeys[$key] = isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0;
171			$encodedKeys[$key] \|= static::VALUE_UTF8ENCODED;
172			}
173			}
174
175			$encodedData[$key] = $value;
176			}
177
178			if ($encodedKeys) {
			0 ignored issues – show Bug Best Practice introduced 2016-06-07 11:42 UTC by Report Bug Copy Issue Report The expression `$encodedKeys` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
179			$encodedData[self::UTF8ENCODED_IDENTIFIER_KEY] = $encodedKeys;
180			}
181
182			return $encodedData;
183			}
184
185			/**
186			* Execute post-encoding actions
187			*
188			* @param string $encoded
189			* @return string
190			*/
191			protected function processEncodedValue($encoded)
192			{
193			if (!$this->preserveZeroFractionSupport) {
194			$encoded = preg_replace('/"' . static::FLOAT_ADAPTER . '\((.*?)\)"/', '\1', $encoded);
195			}
196			return $encoded;
197			}
198
199			/**
200			* Unserialize the value from JSON
201			*
202			* @param string $value
203			* @return mixed
204			*/
205			public function unserialize($value)
206			{
207			$this->reset();
208			$data = json_decode($value, true);
209			if ($data === null && json_last_error() != JSON_ERROR_NONE) {
210			throw new JsonSerializerException('Invalid JSON to unserialize.');
211			}
212
213			if (mb_strpos($value, static::UTF8ENCODED_IDENTIFIER_KEY) !== false) {
214			$data = $this->decodeNonUtf8FromUtf8($data);
215			}
216
217			return $this->unserializeData($data);
218			}
219
220			/**
221			* Set unserialization mode for undeclared class properties
222			*
223			* @param integer $value One of the JsonSerializer::UNDECLARED_PROPERTY_MODE_*
224			* @return self
225			* @throws InvalidArgumentException When the value is not one of the UNDECLARED_PROPERTY_MODE_* options
226			*/
227			public function setUnserializeUndeclaredPropertyMode($value)
228			{
229			$availableOptions = [
230			static::UNDECLARED_PROPERTY_MODE_SET,
231			static::UNDECLARED_PROPERTY_MODE_IGNORE,
232			static::UNDECLARED_PROPERTY_MODE_EXCEPTION
233			];
234			if (!in_array($value, $availableOptions)) {
235			throw new InvalidArgumentException('Invalid value.');
236			}
237			$this->undefinedAttributeMode = $value;
238			return $this;
239			}
240
241			/**
242			* Parse the data to be json encoded
243			*
244			* @param mixed $value
245			* @return mixed
246			* @throws JsonSerializerException
247			*/
248			protected function serializeData($value)
249			{
250			if (is_scalar($value) \|\| $value === null) {
251			if (!$this->preserveZeroFractionSupport && is_float($value) && ctype_digit((string)$value)) {
252			// Because the PHP bug #50224, the float numbers with no
253			// precision numbers are converted to integers when encoded
254			$value = static::FLOAT_ADAPTER . '(' . $value . '.0)';
255			}
256			return $value;
257			}
258			if (is_resource($value)) {
259			throw new JsonSerializerException('Resource is not supported in JsonSerializer');
260			}
261			if (is_array($value)) {
262			return array_map(array($this, __FUNCTION__), $value);
263			}
264			if ($value instanceof \Closure) {
265			if (!$this->closureSerializer) {
266			throw new JsonSerializerException('Closure serializer not given. Unable to serialize closure.');
267			}
268			return array(
269			static::CLOSURE_IDENTIFIER_KEY => true,
270			'value' => $this->closureSerializer->serialize($value)
271			);
272			}
273			return $this->serializeObject($value);
274			}
275
276			/**
277			* Extract the data from an object
278			*
279			* @param object $value
280			* @return array
281			*/
282			protected function serializeObject($value)
283			{
284			if ($this->objectStorage->contains($value)) {
285			return array(static::CLASS_IDENTIFIER_KEY => '@' . $this->objectStorage[$value]);
286			}
287			$this->objectStorage->attach($value, $this->objectMappingIndex++);
288
289			$ref = new ReflectionClass($value);
290			$className = $ref->getName();
291			if (array_key_exists($className, $this->customObjectSerializerMap)) {
292			$data = array(static::CLASS_IDENTIFIER_KEY => $className);
293			$data += $this->customObjectSerializerMap[$className]->serialize($value);
294			return $data;
295			}
296
297			$paramsToSerialize = $this->getObjectProperties($ref, $value);
298			$data = array(static::CLASS_IDENTIFIER_KEY => $className);
299
300			if ($value instanceof \SplDoublyLinkedList) {
301			return $data + array('value' => $value->serialize());
302			}
303
304			$data += array_map(array($this, 'serializeData'), $this->extractObjectData($value, $ref, $paramsToSerialize));
305			return $data;
306			}
307
308			/**
309			* Return the list of properties to be serialized
310			*
311			* @param ReflectionClass $ref
312			* @param object $value
313			* @return array
314			*/
315			protected function getObjectProperties($ref, $value)
316			{
317			if (method_exists($value, '__sleep')) {
318			return $value->__sleep();
319			}
320
321			$props = array();
322			foreach ($ref->getProperties() as $prop) {
323			$props[] = $prop->getName();
324			}
325			return array_unique(array_merge($props, array_keys(get_object_vars($value))));
326			}
327
328			/**
329			* Extract the object data
330			*
331			* @param object $value
332			* @param ReflectionClass $ref
333			* @param array $properties
334			* @return array
335			*/
336			protected function extractObjectData($value, $ref, $properties)
337			{
338			$data = array();
339			foreach ($properties as $property) {
340			try {
341			$propRef = $ref->getProperty($property);
342			$propRef->setAccessible(true);
343			$data[$property] = $propRef->getValue($value);
344			} catch (ReflectionException $e) {
345			$data[$property] = $value->$property;
346			}
347			}
348			return $data;
349			}
350
351			/**
352			* Parse the json decode to convert to objects again
353			*
354			* @param mixed $value
355			* @return mixed
356			*/
357			protected function unserializeData($value)
358			{
359			if (is_scalar($value) \|\| $value === null) {
360			return $value;
361			}
362
363			if (isset($value[static::CLASS_IDENTIFIER_KEY])) {
364			return $this->unserializeObject($value);
			0 ignored issues – show Bug introduced 2016-06-02 20:40 UTC by Report Bug Copy Issue Report It seems like `$value` defined by parameter `$value` on line 357 can also be of type `object`; however, `Zumba\JsonSerializer\Jso...er::unserializeObject()` does only seem to accept `array`, maybe add an additional type check? This check looks at variables that have been passed in as parameters and are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
365			}
366
367			if (!empty($value[static::CLOSURE_IDENTIFIER_KEY])) {
368			if (!$this->closureSerializer) {
369			throw new JsonSerializerException('Closure serializer not provided to unserialize closure');
370			}
371			return $this->closureSerializer->unserialize($value['value']);
372			}
373
374			return array_map(array($this, __FUNCTION__), $value);
375			}
376
377			/**
378			*
379			* @param mixed $serializedData
380			*
381			* @return mixed
382			*/
383			protected function decodeNonUtf8FromUtf8($serializedData)
384			{
385			if (is_array($serializedData) && isset($serializedData[static::SCALAR_IDENTIFIER_KEY])) {
386			$serializedData = mb_convert_encoding($serializedData[static::SCALAR_IDENTIFIER_KEY], '8bit', 'UTF-8');
387			return $serializedData;
388			} elseif (is_scalar($serializedData) \|\| $serializedData === null) {
389			return $serializedData;
390			}
391
392			$encodedKeys = [];
393			if (isset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY])) {
394			$encodedKeys = $serializedData[static::UTF8ENCODED_IDENTIFIER_KEY];
395			unset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY]);
396			}
397
398			$decodedData = [];
399			foreach ($serializedData as $key => $value) {
400			if (is_array($value)) {
401			$value = $this->decodeNonUtf8FromUtf8($value);
402			}
403
404			if (isset($encodedKeys[$key])) {
405			$originalKey = $key;
406			if ($encodedKeys[$key] & static::KEY_UTF8ENCODED) {
407			$key = mb_convert_encoding($key, '8bit', 'UTF-8');
408			}
409			if ($encodedKeys[$originalKey] & static::VALUE_UTF8ENCODED) {
410			$value = mb_convert_encoding($value, '8bit', 'UTF-8');
411			}
412			}
413
414			$decodedData[$key] = $value;
415			}
416
417			return $decodedData;
418			}
419
420			/**
421			* Convert the serialized array into an object
422			*
423			* @param array $value
424			* @return object
425			* @throws JsonSerializerException
426			*/
427			protected function unserializeObject($value)
428			{
429			$className = $value[static::CLASS_IDENTIFIER_KEY];
430			unset($value[static::CLASS_IDENTIFIER_KEY]);
431
432			if ($className[0] === '@') {
433			$index = substr($className, 1);
434			return $this->objectMapping[$index];
435			}
436
437			if (array_key_exists($className, $this->customObjectSerializerMap)) {
438			$obj = $this->customObjectSerializerMap[$className]->unserialize($value);
439			$this->objectMapping[$this->objectMappingIndex++] = $obj;
440			return $obj;
441			}
442
443			if (!class_exists($className)) {
444			throw new JsonSerializerException('Unable to find class ' . $className);
445			}
446
447			if ($className === 'DateTime') {
448			$obj = $this->restoreUsingUnserialize($className, $value);
449			$this->objectMapping[$this->objectMappingIndex++] = $obj;
450			return $obj;
451			}
452
453			if (!$this->isSplList($className)) {
454			$ref = new ReflectionClass($className);
455			$obj = $ref->newInstanceWithoutConstructor();
456			} else {
457			$obj = new $className();
458			}
459
460			if ($obj instanceof \SplDoublyLinkedList) {
461			$obj->unserialize($value['value']);
462			$this->objectMapping[$this->objectMappingIndex++] = $obj;
463			return $obj;
464			}
465
466			$this->objectMapping[$this->objectMappingIndex++] = $obj;
467			foreach ($value as $property => $propertyValue) {
468			try {
469			$propRef = $ref->getProperty($property);
			0 ignored issues – show Bug introduced 2016-09-03 14:19 UTC by Report Bug Copy Issue Report The variable `$ref` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
470			$propRef->setAccessible(true);
471			$propRef->setValue($obj, $this->unserializeData($propertyValue));
472			} catch (ReflectionException $e) {
473			switch ($this->undefinedAttributeMode) {
474			case static::UNDECLARED_PROPERTY_MODE_SET:
475			$obj->$property = $this->unserializeData($propertyValue);
476			break;
477			case static::UNDECLARED_PROPERTY_MODE_IGNORE:
478			break;
479			case static::UNDECLARED_PROPERTY_MODE_EXCEPTION:
480			throw new JsonSerializerException('Undefined attribute detected during unserialization');
481			break;
			0 ignored issues – show Unused Code introduced 2018-02-07 04:40 UTC by Report Bug Copy Issue Report `break;` does not seem to be reachable. This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed. Unreachable code is most often the result of `return`, `die` or `exit` statements that have been added for debug purposes. function fx() { try { doSomething(); return true; } catch (\Exception $e) { return false; } return false; } In the above example, the last `return false` will never be executed, because a return statement has already been met in every possible execution path. Loading history...
482			}
483			}
484			}
485			if (method_exists($obj, '__wakeup')) {
486			$obj->__wakeup();
487			}
488			return $obj;
489			}
490
491			/**
492			*
493			* @return boolean
494			*/
495			protected function isSplList($className)
496			{
497			return in_array($className, array('SplQueue', 'SplDoublyLinkedList', 'SplStack'));
498			}
499
500			protected function restoreUsingUnserialize($className, $attributes)
501			{
502			$obj = (object)$attributes;
503			$serialized = preg_replace(
504			'\|^O:\d+:"\w+":\|',
505			'O:' . strlen($className) . ':"' . $className . '":',
506			serialize($obj)
507			);
508			return unserialize($serialized);
509			}
510
511			/**
512			* Reset variables
513			*
514			* @return void
515			*/
516			protected function reset()
517			{
518			$this->objectStorage = new SplObjectStorage();
519			$this->objectMapping = array();
520			$this->objectMappingIndex = 0;
521			}
522			}
523

zumba / json-serializer

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JsonSerializer D last analyzed 2018-06-19 02:39 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

17 Methods

How to fix Complexity

Complex Class

Available Fixes

Duplication Side-by-Side

Filter issues like

JsonSerializer D
last analyzed 2018-06-19 02:39 UTC