URLInfo::parse() - Code Metrics - Inspection of "Added unicode tests." - Mistralys/application-utils - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 61985e...8db7dc )

by Sebastian

created 2020-03-13 10:37 UTC

URLInfo::parse() A

↳ Parent: URLInfo

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
eloc	2
c	2
b	0
f	0
dl	0
loc	4
rs	10
cc	1
nc	1
nop	0

<?php
/**
 * File containing the {@see AppUtils\URLInfo} class.
 * 
 * @package Application Utils
 * @subpackage URLInfo
 * @see AppUtils\URLInfo
 */

declare(strict_types=1);

namespace AppUtils;

/**
 * Replacement for PHP's native `parse_url` function, which
 * handles some common pitfalls and issues that are hard to 
 * follow, as well as adding a number of utility methods.
 * 
 * @package Application Utils
 * @subpackage URLInfo
 * @author Sebastian Mordziol <[email protected]>
 */
class URLInfo implements \ArrayAccess
{
    const ERROR_MISSING_SCHEME = 42101;
    
    const ERROR_INVALID_SCHEME = 42102;

    const ERROR_MISSING_HOST = 42103;
    
    const ERROR_CANNOT_FIND_CSS_FOLDER = 42104;
    
    const ERROR_UNKNOWN_TYPE_FOR_LABEL = 42105;
    
    const ERROR_CURL_INIT_FAILED = 42106;
    
    const TYPE_EMAIL = 'email';
    const TYPE_FRAGMENT = 'fragment';
    const TYPE_PHONE = 'phone';
    const TYPE_URL = 'url';
    
   /**
    * The original URL that was passed to the constructor.
    * @var string
    */
    protected $rawURL;

   /**
    * @var array
    */
    protected $info;
    
   /**
    * @var string[]
    */
    protected $excludedParams = array();
    
   /**
    * @var bool
    * @see URLInfo::setParamExclusion()
    */
    protected $paramExclusion = false;
    
   /**
    * @var array
    * @see URLInfo::getTypeLabel()
    */
    protected static $typeLabels;
    
   /**
    * @var bool
    */
    protected $highlightExcluded = false;
    
   /**
    * @var array
    */
    protected $infoKeys = array(
        'scheme',
        'host',
        'port',
        'user',
        'pass',
        'path',
        'query',
        'fragment'
    );
    
   /**
    * @var string
    */
    protected $url;
    
   /**
    * @var URLInfo_Parser
    */
    protected $parser;
    
   /**
    * @var URLInfo_Normalizer
    */
    protected $normalizer;
    
   /**
    * @var bool
    */
    protected $encodeUTFChars = false;
    
    public function __construct(string $url)
    {
        $this->rawURL = $url;
        $this->url = self::filterURL($url);
        
        $this->parse();
    }
    
    protected function parse() : void
    {
        $this->parser = new URLInfo_Parser($this->url, $this->encodeUTFChars);
        $this->info = $this->parser->getInfo();
    }
    
   /**
    * Whether to URL encode any non-encoded UTF8 characters in the URL.
    * Default is to leave them as-is for better readability, since 
    * browsers handle this well.
    * 
    * @param bool $enabled
    * @return URLInfo
    */
    public function setUTFEncoding(bool $enabled=true) : URLInfo
    {
        if($this->encodeUTFChars !== $enabled)
        {
            $this->encodeUTFChars = $enabled;
            $this->parse(); // re-parse the URL to apply the changes
        }
        
        return $this;
    }
    
    public function isUTFEncodingEnabled() : bool
    {
        return $this->encodeUTFChars;
    }
    
   /**
    * Filters an URL: removes control characters and the
    * like to have a clean URL to work with.
    * 
    * @param string $url
    * @return string
    */
    public static function filterURL(string $url)
    {
        return URLInfo_Filter::filter($url);
    }
    
    /**
     * Checks if it is an https link.
     * @return boolean
     */
    public function isSecure() : bool
    {
        return isset($this->info['scheme']) && $this->info['scheme'] === 'https';
    }
    
    public function isAnchor() : bool
    {
        return $this->info['type'] === self::TYPE_FRAGMENT;
    }
    
    public function isEmail() : bool
    {
        return $this->info['type'] === self::TYPE_EMAIL;
    }
    
    public function isPhoneNumber() : bool
    {
        return $this->info['type'] === self::TYPE_PHONE;
    }
    
   /**
    * Whether the URL is a regular URL, not one of the 
    * other types like a phone number or email address.
    * 
    * @return bool
    */
    public function isURL() : bool
    {
        $host = $this->getHost();
        return !empty($host);
    }
    
    public function isValid() : bool
    {
        return $this->parser->isValid();
    }
    
   /**
    * Retrieves the host name, or an empty string if none is present.
    * 
    * @return string
    */
    public function getHost() : string
    {
        return $this->getInfoKey('host');
    }
    
   /**
    * Retrieves the path, or an empty string if none is present.
    * @return string
    */
    public function getPath() : string
    {
        return $this->getInfoKey('path');
    }
    
    public function getFragment() : string
    {
        return $this->getInfoKey('fragment');
    }
    
    public function getScheme() : string
    {
        return $this->getInfoKey('scheme');
    }
    
   /**
    * Retrieves the port specified in the URL, or -1 if none is preseent.
    * @return int
    */
    public function getPort() : int
    {
        $port = $this->getInfoKey('port');
        
        if(!empty($port)) {
            return (int)$port;
        }
        
        return -1;
    }
    
   /**
    * Retrieves the raw query string, or an empty string if none is present.
    * 
    * @return string
    * 
    * @see URLInfo::getParams()
    */
    public function getQuery() : string
    {
        return $this->getInfoKey('query');
    }
    
    public function getUsername() : string
    {
        return $this->getInfoKey('user');
    }
    
    public function getPassword() : string
    {
        return $this->getInfoKey('pass');
    }
    
   /**
    * Whether the URL contains a port number.
    * @return bool
    */
    public function hasPort() : bool
    {
        return $this->getPort() !== -1;
    }
    
   /**
    * Alias for the hasParams() method.
    * @return bool
    * @see URLInfo::hasParams()
    */
    public function hasQuery() : bool
    {
        return $this->hasParams();
    }
    
    public function hasHost() : bool
    {
        return $this->getHost() !== ''; 
    }
    
    public function hasPath() : bool
    {
        return $this->getPath() !== '';
    }
    
    public function hasFragment() : bool
    {
        return $this->getFragment() !== '';
    }
    
    public function hasUsername() : bool
    {
        return $this->getUsername() !== '';
    }
    
    public function hasPassword() : bool
    {
        return $this->getPassword() !== '';
    }
    
    public function hasScheme() : bool
    {
        return $this->getScheme() !== '';
    }
    
    protected function getInfoKey(string $name) : string
    {
        if(isset($this->info[$name])) {
            return (string)$this->info[$name];
        }
        
        return '';
    }

   /**
    * Retrieves a normalized URL: this ensures that all parameters
    * in the URL are always in the same order.
    * 
    * @return string
    */
    public function getNormalized() : string
    {
        return $this->normalize(true);
    }
    
   /**
    * Like getNormalized(), but if a username and password are present
    * in the URL, returns the URL without them.
    * 
    * @return string
    */
    public function getNormalizedWithoutAuth() : string
    {
        return $this->normalize(false);
    }
    
    protected function normalize(bool $auth=true) : string
    {
        if(!$this->isValid()) {
            return '';
        }
        
        if(!isset($this->normalizer)) {
            $this->normalizer = new URLInfo_Normalizer($this);
        }
        
        $this->normalizer->enableAuth($auth);
        
        return $this->normalizer->normalize();
    }
    
   /**
    * Creates a hash of the URL, which can be used for comparisons.
    * Since any parameters in the URL's query are sorted alphabetically,
    * the same links with a different parameter order will have the 
    * same hash.
    * 
    * @return string
    */
    public function getHash()
    {
        return \AppUtils\ConvertHelper::string2shortHash($this->getNormalized());
    }

   /**
    * Highlights the URL using HTML tags with specific highlighting
    * class names.
    * 
    * @return string Will return an empty string if the URL is not valid.
    */
    public function getHighlighted() : string
    {
        if(!$this->isValid()) {
            return '';
        }
        
        $highlighter = new URLInfo_Highlighter($this);
        
        return $highlighter->highlight();
    }
    
    public function getErrorMessage() : string
    {
        return $this->parser->getErrorMessage();
    }
    
    public function getErrorCode() : int
    {
        return $this->parser->getErrorCode();
    }
    
    public function hasParams() : bool
    {
        $params = $this->getParams();
        return !empty($params);
    }
    
    public function countParams() : int
    {
        $params = $this->getParams();
        return count($params);
    }
    
   /**
    * Retrieves all parameters specified in the url,
    * if any, as an associative array. 
    * 
    * NOTE: Ignores parameters that have been added
    * to the excluded parameters list.
    *
    * @return array
    */
    public function getParams() : array
    {
        if(!$this->paramExclusion || empty($this->excludedParams)) {
            return $this->info['params'];
        }
        
        $keep = array();
        foreach($this->info['params'] as $name => $value) 
        {
            if(!isset($this->excludedParams[$name])) {
                $keep[$name] = $value;
            }
        }
        
        return $keep;
    }
    
   /**
    * Retrieves the names of all parameters present in the URL, if any.
    * @return string[]
    */
    public function getParamNames() : array
    {
        $params = $this->getParams();
        return array_keys($params);
    }
    
   /**
    * Retrieves a specific parameter value from the URL.
    * 
    * @param string $name
    * @return string The parameter value, or an empty string if it does not exist.
    */
    public function getParam(string $name) : string
    {
        if(isset($this->info['params'][$name])) {
            return $this->info['params'][$name];
        }
        
        return '';
    }
    
   /**
    * Excludes an URL parameter entirely if present:
    * the parser will act as if the parameter was not
    * even present in the source URL, effectively
    * stripping it.
    *
    * @param string $name
    * @param string $reason A human readable explanation why this is excluded - used when highlighting links.
    * @return URLInfo
    */
    public function excludeParam(string $name, string $reason) : URLInfo
    {
        if(!isset($this->excludedParams[$name]))
        {
            $this->excludedParams[$name] = $reason;
            $this->setParamExclusion();
        }
        
        return $this;
    }

    /**
     * Retrieves a string identifier of the type of URL that was detected.
     *
     * @return string
     *
     * @see URLInfo::TYPE_EMAIL
     * @see URLInfo::TYPE_FRAGMENT
     * @see URLInfo::TYPE_PHONE
     * @see URLInfo::TYPE_URL
     */
    public function getType() : string
    {
        return $this->info['type'];
    }
    
    public function getTypeLabel() : string
    {
        if(!isset(self::$typeLabels))
        {
            self::$typeLabels = array(
                self::TYPE_EMAIL => t('Email'),
                self::TYPE_FRAGMENT => t('Jump mark'),
                self::TYPE_PHONE => t('Phone number'),
                self::TYPE_URL => t('URL'),
            );
        }
        
        $type = $this->getType();
        
        if(!isset(self::$typeLabels[$type]))
        {
            throw new BaseException(
                sprintf('Unknown URL type label for type [%s].', $type),
                null,
                self::ERROR_UNKNOWN_TYPE_FOR_LABEL
            );
        }
        
        return self::$typeLabels[$this->getType()];
    }

   /**
    * Whether excluded parameters should be highlighted in
    * a different color in the URL when using the
    * {@link URLInfo::getHighlighted()} method.
    *
    * @param bool $highlight
    * @return URLInfo
    */
    public function setHighlightExcluded(bool $highlight=true) : URLInfo
    {
        $this->highlightExcluded = $highlight;
        return $this;
    }
    
   /**
    * Returns an array with all relevant URL information.
    * 
    * @return array
    */
    public function toArray() : array
    {
        return array(
            'hasParams' => $this->hasParams(),
            'params' => $this->getParams(),
            'type' => $this->getType(),
            'typeLabel' => $this->getTypeLabel(),
            'normalized' => $this->getNormalized(),
            'highlighted' => $this->getHighlighted(),
            'hash' => $this->getHash(),
            'host' => $this->getHost(),
            'isValid' => $this->isValid(),
            'isURL' => $this->isURL(),
            'isEmail' => $this->isEmail(),
            'isAnchor' => $this->isAnchor(),
            'isPhoneNumber' => $this->isPhoneNumber(),
            'errorMessage' => $this->getErrorMessage(),
            'errorCode' => $this->getErrorCode(),
            'excludedParams' => array_keys($this->excludedParams)
        );
    }
    
    /**
     * Enable or disable parameter exclusion: if any parameters
     * to exclude have been added, this allows switching between
     * both modes. When enabled, methods like getNormalized or
     * getHighlighted will exclude any parameters to exclude. When
     * disabled, it will act as usual.
     *
     * This allows adding parameters to exclude, but still have
     * access to the original URLs.
     *
     * @param bool $enabled
     * @return URLInfo
     * @see URLInfo::isParamExclusionEnabled()
     * @see URLInfo::setHighlightExcluded()
     */
    public function setParamExclusion(bool $enabled=true) : URLInfo
    {
        $this->paramExclusion = $enabled;
        return $this;
    }
    
   /**
    * Whether the parameter exclusion mode is enabled:
    * In this case, if any parameters have been added to the
    * exclusion list, all relevant methods will exclude these.
    *
    * @return bool
    */
    public function isParamExclusionEnabled() : bool
    {
        return $this->paramExclusion;
    }
    
   /**
    * Checks whether the link contains any parameters that
    * are on the list of excluded parameters.
    *
    * @return bool
    */
    public function containsExcludedParams() : bool
    {
        if(empty($this->excludedParams)) {
            return false;
        }
        
        $names = array_keys($this->info['params']);
        foreach($names as $name) {
            if(isset($this->excludedParams[$name])) {
                return true;
            }
        }
        
        return false;
    }
    
    public function hasParam(string $name) : bool
    {
        $names = $this->getParamNames();
        return in_array($name, $names);
    }

    public function offsetSet($offset, $value) 
    {
        if(in_array($offset, $this->infoKeys)) {
            $this->info[$offset] = $value;
        }
    }
    
    public function offsetExists($offset) 
    {
        return isset($this->info[$offset]);
    }
    
    public function offsetUnset($offset) 
    {
        unset($this->info[$offset]);
    }
    
    public function offsetGet($offset) 
    {
        if($offset === 'port') {
            return $this->getPort();
        }
        
        if(in_array($offset, $this->infoKeys)) {
            return $this->getInfoKey($offset);
        }
        
        return '';
    }
    
    public static function getHighlightCSS() : string
    {
        return URLInfo_Highlighter::getHighlightCSS();
    }
    
    public function getExcludedParams() : array
    {
        return $this->excludedParams;
    }
    
    public function isHighlightExcludeEnabled() : bool
    {
        return $this->highlightExcluded;
    }
    
   /**
    * Checks if the URL exists, i.e. can be connected to. Will return
    * true if the returned HTTP status code is `200` or `302`.
    * 
    * NOTE: If the target URL requires HTTP authentication, the username
    * and password should be integrated into the URL.
    * 
    * @return bool
    * @throws BaseException
    */
    public function tryConnect(bool $verifySSL=true) : bool
    {
        requireCURL();
        
        $ch = curl_init();
        if(!is_resource($ch))
        {
            throw new BaseException(
                'Could not initialize a new cURL instance.',
                'Calling curl_init returned false. Additional information is not available.',
                self::ERROR_CURL_INIT_FAILED
            );
        }
        
        //curl_setopt($ch, CURLOPT_VERBOSE, true);
        
        curl_setopt($ch, CURLOPT_URL, $this->getNormalized());
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        
        if(!$verifySSL) 
        {
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        }
        
        if($this->hasUsername()) 
        {
            curl_setopt($ch, CURLOPT_USERNAME, $this->getUsername());
            curl_setopt($ch, CURLOPT_PASSWORD, $this->getPassword());
        }
        
        curl_exec($ch);
        
        $http_code = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
        
        curl_close($ch);
        
        return ($http_code === 200) || ($http_code === 302);
    }
}


1			<?php
2			/**
3			* File containing the {@see AppUtils\URLInfo} class.
4			*
5			* @package Application Utils
6			* @subpackage URLInfo
7			* @see AppUtils\URLInfo
8			*/
9
10			declare(strict_types=1);
11
12			namespace AppUtils;
13
14			/**
15			* Replacement for PHP's native `parse_url` function, which
16			* handles some common pitfalls and issues that are hard to
17			* follow, as well as adding a number of utility methods.
18			*
19			* @package Application Utils
20			* @subpackage URLInfo
21			* @author Sebastian Mordziol <[email protected]>
22			*/
23			class URLInfo implements \ArrayAccess
24			{
25			const ERROR_MISSING_SCHEME = 42101;
26
27			const ERROR_INVALID_SCHEME = 42102;
28
29			const ERROR_MISSING_HOST = 42103;
30
31			const ERROR_CANNOT_FIND_CSS_FOLDER = 42104;
32
33			const ERROR_UNKNOWN_TYPE_FOR_LABEL = 42105;
34
35			const ERROR_CURL_INIT_FAILED = 42106;
36
37			const TYPE_EMAIL = 'email';
38			const TYPE_FRAGMENT = 'fragment';
39			const TYPE_PHONE = 'phone';
40			const TYPE_URL = 'url';
41
42			/**
43			* The original URL that was passed to the constructor.
44			* @var string
45			*/
46			protected $rawURL;
47
48			/**
49			* @var array
50			*/
51			protected $info;
52
53			/**
54			* @var string[]
55			*/
56			protected $excludedParams = array();
57
58			/**
59			* @var bool
60			* @see URLInfo::setParamExclusion()
61			*/
62			protected $paramExclusion = false;
63
64			/**
65			* @var array
66			* @see URLInfo::getTypeLabel()
67			*/
68			protected static $typeLabels;
69
70			/**
71			* @var bool
72			*/
73			protected $highlightExcluded = false;
74
75			/**
76			* @var array
77			*/
78			protected $infoKeys = array(
79			'scheme',
80			'host',
81			'port',
82			'user',
83			'pass',
84			'path',
85			'query',
86			'fragment'
87			);
88
89			/**
90			* @var string
91			*/
92			protected $url;
93
94			/**
95			* @var URLInfo_Parser
96			*/
97			protected $parser;
98
99			/**
100			* @var URLInfo_Normalizer
101			*/
102			protected $normalizer;
103
104			/**
105			* @var bool
106			*/
107			protected $encodeUTFChars = false;
108
109			public function __construct(string $url)
110			{
111			$this->rawURL = $url;
112			$this->url = self::filterURL($url);
113
114			$this->parse();
115			}
116
117			protected function parse() : void
118			{
119			$this->parser = new URLInfo_Parser($this->url, $this->encodeUTFChars);
120			$this->info = $this->parser->getInfo();
121			}
122
123			/**
124			* Whether to URL encode any non-encoded UTF8 characters in the URL.
125			* Default is to leave them as-is for better readability, since
126			* browsers handle this well.
127			*
128			* @param bool $enabled
129			* @return URLInfo
130			*/
131			public function setUTFEncoding(bool $enabled=true) : URLInfo
132			{
133			if($this->encodeUTFChars !== $enabled)
134			{
135			$this->encodeUTFChars = $enabled;
136			$this->parse(); // re-parse the URL to apply the changes
137			}
138
139			return $this;
140			}
141
142			public function isUTFEncodingEnabled() : bool
143			{
144			return $this->encodeUTFChars;
145			}
146
147			/**
148			* Filters an URL: removes control characters and the
149			* like to have a clean URL to work with.
150			*
151			* @param string $url
152			* @return string
153			*/
154			public static function filterURL(string $url)
155			{
156			return URLInfo_Filter::filter($url);
157			}
158
159			/**
160			* Checks if it is an https link.
161			* @return boolean
162			*/
163			public function isSecure() : bool
164			{
165			return isset($this->info['scheme']) && $this->info['scheme'] === 'https';
166			}
167
168			public function isAnchor() : bool
169			{
170			return $this->info['type'] === self::TYPE_FRAGMENT;
171			}
172
173			public function isEmail() : bool
174			{
175			return $this->info['type'] === self::TYPE_EMAIL;
176			}
177
178			public function isPhoneNumber() : bool
179			{
180			return $this->info['type'] === self::TYPE_PHONE;
181			}
182
183			/**
184			* Whether the URL is a regular URL, not one of the
185			* other types like a phone number or email address.
186			*
187			* @return bool
188			*/
189			public function isURL() : bool
190			{
191			$host = $this->getHost();
192			return !empty($host);
193			}
194
195			public function isValid() : bool
196			{
197			return $this->parser->isValid();
198			}
199
200			/**
201			* Retrieves the host name, or an empty string if none is present.
202			*
203			* @return string
204			*/
205			public function getHost() : string
206			{
207			return $this->getInfoKey('host');
208			}
209
210			/**
211			* Retrieves the path, or an empty string if none is present.
212			* @return string
213			*/
214			public function getPath() : string
215			{
216			return $this->getInfoKey('path');
217			}
218
219			public function getFragment() : string
220			{
221			return $this->getInfoKey('fragment');
222			}
223
224			public function getScheme() : string
225			{
226			return $this->getInfoKey('scheme');
227			}
228
229			/**
230			* Retrieves the port specified in the URL, or -1 if none is preseent.
231			* @return int
232			*/
233			public function getPort() : int
234			{
235			$port = $this->getInfoKey('port');
236
237			if(!empty($port)) {
238			return (int)$port;
239			}
240
241			return -1;
242			}
243
244			/**
245			* Retrieves the raw query string, or an empty string if none is present.
246			*
247			* @return string
248			*
249			* @see URLInfo::getParams()
250			*/
251			public function getQuery() : string
252			{
253			return $this->getInfoKey('query');
254			}
255
256			public function getUsername() : string
257			{
258			return $this->getInfoKey('user');
259			}
260
261			public function getPassword() : string
262			{
263			return $this->getInfoKey('pass');
264			}
265
266			/**
267			* Whether the URL contains a port number.
268			* @return bool
269			*/
270			public function hasPort() : bool
271			{
272			return $this->getPort() !== -1;
273			}
274
275			/**
276			* Alias for the hasParams() method.
277			* @return bool
278			* @see URLInfo::hasParams()
279			*/
280			public function hasQuery() : bool
281			{
282			return $this->hasParams();
283			}
284
285			public function hasHost() : bool
286			{
287			return $this->getHost() !== '';
288			}
289
290			public function hasPath() : bool
291			{
292			return $this->getPath() !== '';
293			}
294
295			public function hasFragment() : bool
296			{
297			return $this->getFragment() !== '';
298			}
299
300			public function hasUsername() : bool
301			{
302			return $this->getUsername() !== '';
303			}
304
305			public function hasPassword() : bool
306			{
307			return $this->getPassword() !== '';
308			}
309
310			public function hasScheme() : bool
311			{
312			return $this->getScheme() !== '';
313			}
314
315			protected function getInfoKey(string $name) : string
316			{
317			if(isset($this->info[$name])) {
318			return (string)$this->info[$name];
319			}
320
321			return '';
322			}
323
324			/**
325			* Retrieves a normalized URL: this ensures that all parameters
326			* in the URL are always in the same order.
327			*
328			* @return string
329			*/
330			public function getNormalized() : string
331			{
332			return $this->normalize(true);
333			}
334
335			/**
336			* Like getNormalized(), but if a username and password are present
337			* in the URL, returns the URL without them.
338			*
339			* @return string
340			*/
341			public function getNormalizedWithoutAuth() : string
342			{
343			return $this->normalize(false);
344			}
345
346			protected function normalize(bool $auth=true) : string
347			{
348			if(!$this->isValid()) {
349			return '';
350			}
351
352			if(!isset($this->normalizer)) {
353			$this->normalizer = new URLInfo_Normalizer($this);
354			}
355
356			$this->normalizer->enableAuth($auth);
357
358			return $this->normalizer->normalize();
359			}
360
361			/**
362			* Creates a hash of the URL, which can be used for comparisons.
363			* Since any parameters in the URL's query are sorted alphabetically,
364			* the same links with a different parameter order will have the
365			* same hash.
366			*
367			* @return string
368			*/
369			public function getHash()
370			{
371			return \AppUtils\ConvertHelper::string2shortHash($this->getNormalized());
372			}
373
374			/**
375			* Highlights the URL using HTML tags with specific highlighting
376			* class names.
377			*
378			* @return string Will return an empty string if the URL is not valid.
379			*/
380			public function getHighlighted() : string
381			{
382			if(!$this->isValid()) {
383			return '';
384			}
385
386			$highlighter = new URLInfo_Highlighter($this);
387
388			return $highlighter->highlight();
389			}
390
391			public function getErrorMessage() : string
392			{
393			return $this->parser->getErrorMessage();
394			}
395
396			public function getErrorCode() : int
397			{
398			return $this->parser->getErrorCode();
399			}
400
401			public function hasParams() : bool
402			{
403			$params = $this->getParams();
404			return !empty($params);
405			}
406
407			public function countParams() : int
408			{
409			$params = $this->getParams();
410			return count($params);
411			}
412
413			/**
414			* Retrieves all parameters specified in the url,
415			* if any, as an associative array.
416			*
417			* NOTE: Ignores parameters that have been added
418			* to the excluded parameters list.
419			*
420			* @return array
421			*/
422			public function getParams() : array
423			{
424			if(!$this->paramExclusion \|\| empty($this->excludedParams)) {
425			return $this->info['params'];
426			}
427
428			$keep = array();
429			foreach($this->info['params'] as $name => $value)
430			{
431			if(!isset($this->excludedParams[$name])) {
432			$keep[$name] = $value;
433			}
434			}
435
436			return $keep;
437			}
438
439			/**
440			* Retrieves the names of all parameters present in the URL, if any.
441			* @return string[]
442			*/
443			public function getParamNames() : array
444			{
445			$params = $this->getParams();
446			return array_keys($params);
447			}
448
449			/**
450			* Retrieves a specific parameter value from the URL.
451			*
452			* @param string $name
453			* @return string The parameter value, or an empty string if it does not exist.
454			*/
455			public function getParam(string $name) : string
456			{
457			if(isset($this->info['params'][$name])) {
458			return $this->info['params'][$name];
459			}
460
461			return '';
462			}
463
464			/**
465			* Excludes an URL parameter entirely if present:
466			* the parser will act as if the parameter was not
467			* even present in the source URL, effectively
468			* stripping it.
469			*
470			* @param string $name
471			* @param string $reason A human readable explanation why this is excluded - used when highlighting links.
472			* @return URLInfo
473			*/
474			public function excludeParam(string $name, string $reason) : URLInfo
475			{
476			if(!isset($this->excludedParams[$name]))
477			{
478			$this->excludedParams[$name] = $reason;
479			$this->setParamExclusion();
480			}
481
482			return $this;
483			}
484
485			/**
486			* Retrieves a string identifier of the type of URL that was detected.
487			*
488			* @return string
489			*
490			* @see URLInfo::TYPE_EMAIL
491			* @see URLInfo::TYPE_FRAGMENT
492			* @see URLInfo::TYPE_PHONE
493			* @see URLInfo::TYPE_URL
494			*/
495			public function getType() : string
496			{
497			return $this->info['type'];
498			}
499
500			public function getTypeLabel() : string
501			{
502			if(!isset(self::$typeLabels))
503			{
504			self::$typeLabels = array(
505			self::TYPE_EMAIL => t('Email'),
506			self::TYPE_FRAGMENT => t('Jump mark'),
507			self::TYPE_PHONE => t('Phone number'),
508			self::TYPE_URL => t('URL'),
509			);
510			}
511
512			$type = $this->getType();
513
514			if(!isset(self::$typeLabels[$type]))
515			{
516			throw new BaseException(
517			sprintf('Unknown URL type label for type [%s].', $type),
518			null,
519			self::ERROR_UNKNOWN_TYPE_FOR_LABEL
520			);
521			}
522
523			return self::$typeLabels[$this->getType()];
524			}
525
526			/**
527			* Whether excluded parameters should be highlighted in
528			* a different color in the URL when using the
529			* {@link URLInfo::getHighlighted()} method.
530			*
531			* @param bool $highlight
532			* @return URLInfo
533			*/
534			public function setHighlightExcluded(bool $highlight=true) : URLInfo
535			{
536			$this->highlightExcluded = $highlight;
537			return $this;
538			}
539
540			/**
541			* Returns an array with all relevant URL information.
542			*
543			* @return array
544			*/
545			public function toArray() : array
546			{
547			return array(
548			'hasParams' => $this->hasParams(),
549			'params' => $this->getParams(),
550			'type' => $this->getType(),
551			'typeLabel' => $this->getTypeLabel(),
552			'normalized' => $this->getNormalized(),
553			'highlighted' => $this->getHighlighted(),
554			'hash' => $this->getHash(),
555			'host' => $this->getHost(),
556			'isValid' => $this->isValid(),
557			'isURL' => $this->isURL(),
558			'isEmail' => $this->isEmail(),
559			'isAnchor' => $this->isAnchor(),
560			'isPhoneNumber' => $this->isPhoneNumber(),
561			'errorMessage' => $this->getErrorMessage(),
562			'errorCode' => $this->getErrorCode(),
563			'excludedParams' => array_keys($this->excludedParams)
564			);
565			}
566
567			/**
568			* Enable or disable parameter exclusion: if any parameters
569			* to exclude have been added, this allows switching between
570			* both modes. When enabled, methods like getNormalized or
571			* getHighlighted will exclude any parameters to exclude. When
572			* disabled, it will act as usual.
573			*
574			* This allows adding parameters to exclude, but still have
575			* access to the original URLs.
576			*
577			* @param bool $enabled
578			* @return URLInfo
579			* @see URLInfo::isParamExclusionEnabled()
580			* @see URLInfo::setHighlightExcluded()
581			*/
582			public function setParamExclusion(bool $enabled=true) : URLInfo
583			{
584			$this->paramExclusion = $enabled;
585			return $this;
586			}
587
588			/**
589			* Whether the parameter exclusion mode is enabled:
590			* In this case, if any parameters have been added to the
591			* exclusion list, all relevant methods will exclude these.
592			*
593			* @return bool
594			*/
595			public function isParamExclusionEnabled() : bool
596			{
597			return $this->paramExclusion;
598			}
599
600			/**
601			* Checks whether the link contains any parameters that
602			* are on the list of excluded parameters.
603			*
604			* @return bool
605			*/
606			public function containsExcludedParams() : bool
607			{
608			if(empty($this->excludedParams)) {
609			return false;
610			}
611
612			$names = array_keys($this->info['params']);
613			foreach($names as $name) {
614			if(isset($this->excludedParams[$name])) {
615			return true;
616			}
617			}
618
619			return false;
620			}
621
622			public function hasParam(string $name) : bool
623			{
624			$names = $this->getParamNames();
625			return in_array($name, $names);
626			}
627
628			public function offsetSet($offset, $value)
629			{
630			if(in_array($offset, $this->infoKeys)) {
631			$this->info[$offset] = $value;
632			}
633			}
634
635			public function offsetExists($offset)
636			{
637			return isset($this->info[$offset]);
638			}
639
640			public function offsetUnset($offset)
641			{
642			unset($this->info[$offset]);
643			}
644
645			public function offsetGet($offset)
646			{
647			if($offset === 'port') {
648			return $this->getPort();
649			}
650
651			if(in_array($offset, $this->infoKeys)) {
652			return $this->getInfoKey($offset);
653			}
654
655			return '';
656			}
657
658			public static function getHighlightCSS() : string
659			{
660			return URLInfo_Highlighter::getHighlightCSS();
661			}
662
663			public function getExcludedParams() : array
664			{
665			return $this->excludedParams;
666			}
667
668			public function isHighlightExcludeEnabled() : bool
669			{
670			return $this->highlightExcluded;
671			}
672
673			/**
674			* Checks if the URL exists, i.e. can be connected to. Will return
675			* true if the returned HTTP status code is `200` or `302`.
676			*
677			* NOTE: If the target URL requires HTTP authentication, the username
678			* and password should be integrated into the URL.
679			*
680			* @return bool
681			* @throws BaseException
682			*/
683			public function tryConnect(bool $verifySSL=true) : bool
684			{
685			requireCURL();
686
687			$ch = curl_init();
688			if(!is_resource($ch))
689			{
690			throw new BaseException(
691			'Could not initialize a new cURL instance.',
692			'Calling curl_init returned false. Additional information is not available.',
693			self::ERROR_CURL_INIT_FAILED
694			);
695			}
696
697			//curl_setopt($ch, CURLOPT_VERBOSE, true);
698
699			curl_setopt($ch, CURLOPT_URL, $this->getNormalized());
700			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
701			curl_setopt($ch, CURLOPT_TIMEOUT, 10);
702			curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
703
704			if(!$verifySSL)
705			{
706			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
707			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
708			}
709
710			if($this->hasUsername())
711			{
712			curl_setopt($ch, CURLOPT_USERNAME, $this->getUsername());
713			curl_setopt($ch, CURLOPT_PASSWORD, $this->getPassword());
714			}
715
716			curl_exec($ch);
717
718			$http_code = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
719
720			curl_close($ch);
721
722			return ($http_code === 200) \|\| ($http_code === 302);
723			}
724			}
725

Mistralys / application-utils

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URLInfo::parse() A

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