UrlManager::getScriptUrl() - Code Metrics - Inspection of "Updated CHANGELOG" - yiisoft/yii2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — bash-completion ( 164352...1454d3 )

by Carsten

created 2016-12-02 23:43 UTC

UrlManager::getScriptUrl() A

↳ Parent: UrlManager

Complexity

Conditions	3
Paths	3

Size

Total Lines	13
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	3.0123

Importance

Changes

Metric	Value
dl	0
loc	13
rs	9.4285
c	0
b	0
f	0
ccs	8
cts	9
cp	0.8889
cc	3
eloc	8
nc	3
nop	0
crap	3.0123

<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\web;

use Yii;
use yii\base\Component;
use yii\base\InvalidConfigException;
use yii\caching\Cache;
use yii\helpers\Url;

/**
 * UrlManager handles HTTP request parsing and creation of URLs based on a set of rules.
 *
 * UrlManager is configured as an application component in [[\yii\base\Application]] by default.
 * You can access that instance via `Yii::$app->urlManager`.
 *
 * You can modify its configuration by adding an array to your application config under `components`
 * as it is shown in the following example:
 *
 * ```php
 * 'urlManager' => [
 *     'enablePrettyUrl' => true,
 *     'rules' => [
 *         // your rules go here
 *     ],
 *     // ...
 * ]
 * ```
 *
 * For more details and usage information on UrlManager, see the [guide article on routing](guide:runtime-routing).
 *
 * @property string $baseUrl The base URL that is used by [[createUrl()]] to prepend to created URLs.
 * @property string $hostInfo The host info (e.g. "http://www.example.com") that is used by
 * [[createAbsoluteUrl()]] to prepend to created URLs.
 * @property string $scriptUrl The entry script URL that is used by [[createUrl()]] to prepend to created
 * URLs.
 *
 * @author Qiang Xue <[email protected]>
 * @since 2.0
 */
class UrlManager extends Component
{
    /**
     * @var bool whether to enable pretty URLs. Instead of putting all parameters in the query
     * string part of a URL, pretty URLs allow using path info to represent some of the parameters
     * and can thus produce more user-friendly URLs, such as "/news/Yii-is-released", instead of
     * "/index.php?r=news%2Fview&id=100".
     */
    public $enablePrettyUrl = false;
    /**
     * @var bool whether to enable strict parsing. If strict parsing is enabled, the incoming
     * requested URL must match at least one of the [[rules]] in order to be treated as a valid request.
     * Otherwise, the path info part of the request will be treated as the requested route.
     * This property is used only when [[enablePrettyUrl]] is `true`.
     */
    public $enableStrictParsing = false;
    /**
     * @var array the rules for creating and parsing URLs when [[enablePrettyUrl]] is `true`.
     * This property is used only if [[enablePrettyUrl]] is `true`. Each element in the array
     * is the configuration array for creating a single URL rule. The configuration will
     * be merged with [[ruleConfig]] first before it is used for creating the rule object.
     *
     * A special shortcut format can be used if a rule only specifies [[UrlRule::pattern|pattern]]
     * and [[UrlRule::route|route]]: `'pattern' => 'route'`. That is, instead of using a configuration
     * array, one can use the key to represent the pattern and the value the corresponding route.
     * For example, `'post/<id:\d+>' => 'post/view'`.
     *
     * For RESTful routing the mentioned shortcut format also allows you to specify the
     * [[UrlRule::verb|HTTP verb]] that the rule should apply for.
     * You can do that  by prepending it to the pattern, separated by space.
     * For example, `'PUT post/<id:\d+>' => 'post/update'`.
     * You may specify multiple verbs by separating them with comma
     * like this: `'POST,PUT post/index' => 'post/create'`.
     * The supported verbs in the shortcut format are: GET, HEAD, POST, PUT, PATCH and DELETE.
     * Note that [[UrlRule::mode|mode]] will be set to PARSING_ONLY when specifying verb in this way
     * so you normally would not specify a verb for normal GET request.
     *
     * Here is an example configuration for RESTful CRUD controller:
     *
     * ```php
     * [
     *     'dashboard' => 'site/index',
     *
     *     'POST <controller:[\w-]+>s' => '<controller>/create',
     *     '<controller:[\w-]+>s' => '<controller>/index',
     *
     *     'PUT <controller:[\w-]+>/<id:\d+>'    => '<controller>/update',
     *     'DELETE <controller:[\w-]+>/<id:\d+>' => '<controller>/delete',
     *     '<controller:[\w-]+>/<id:\d+>'        => '<controller>/view',
     * ];
     * ```
     *
     * Note that if you modify this property after the UrlManager object is created, make sure
     * you populate the array with rule objects instead of rule configurations.
     */
    public $rules = [];
    /**
     * @var string the URL suffix used when [[enablePrettyUrl]] is `true`.
     * For example, ".html" can be used so that the URL looks like pointing to a static HTML page.
     * This property is used only if [[enablePrettyUrl]] is `true`.
     */
    public $suffix;
    /**
     * @var bool whether to show entry script name in the constructed URL. Defaults to `true`.
     * This property is used only if [[enablePrettyUrl]] is `true`.
     */
    public $showScriptName = true;
    /**
     * @var string the GET parameter name for route. This property is used only if [[enablePrettyUrl]] is `false`.
     */
    public $routeParam = 'r';
    /**
     * @var Cache|string the cache object or the application component ID of the cache object.
     * Compiled URL rules will be cached through this cache object, if it is available.
     *
     * After the UrlManager object is created, if you want to change this property,
     * you should only assign it with a cache object.
     * Set this property to `false` if you do not want to cache the URL rules.
     */
    public $cache = 'cache';
    /**
     * @var array the default configuration of URL rules. Individual rule configurations
     * specified via [[rules]] will take precedence when the same property of the rule is configured.
     */
    public $ruleConfig = ['class' => 'yii\web\UrlRule'];
    /**
     * @var UrlNormalizer|array|string|false the configuration for [[UrlNormalizer]] used by this UrlManager.
     * The default value is `false`, which means normalization will be skipped.
     * If you wish to enable URL normalization, you should configure this property manually.
     * For example:
     *
     * ```php
     * [
     *     'class' => 'yii\web\UrlNormalizer',
     *     'collapseSlashes' => true,
     *     'normalizeTrailingSlash' => true,
     * ]
     * ```
     *
     * @since 2.0.10
     */
    public $normalizer = false;

    /**
     * @var string the cache key for cached rules
     * @since 2.0.8
     */
    protected $cacheKey = __CLASS__;

    private $_baseUrl;
    private $_scriptUrl;
    private $_hostInfo;
    private $_ruleCache;


    /**
     * Initializes UrlManager.
     */
    public function init()
    {
        parent::init();

        if ($this->normalizer !== false) {
            $this->normalizer = Yii::createObject($this->normalizer);
            if (!$this->normalizer instanceof UrlNormalizer) {
                throw new InvalidConfigException('`' . get_class($this) . '::normalizer` should be an instance of `' . UrlNormalizer::className() . '` or its DI compatible configuration.');
            }
        }

        if (!$this->enablePrettyUrl || empty($this->rules)) {
            return;
        }
        if (is_string($this->cache)) {
            $this->cache = Yii::$app->get($this->cache, false);
        }
        if ($this->cache instanceof Cache) {
            $cacheKey = $this->cacheKey;
            $hash = md5(json_encode($this->rules));
            if (($data = $this->cache->get($cacheKey)) !== false && isset($data[1]) && $data[1] === $hash) {
                $this->rules = $data[0];
            } else {
                $this->rules = $this->buildRules($this->rules);
                $this->cache->set($cacheKey, [$this->rules, $hash]);
            }
        } else {
            $this->rules = $this->buildRules($this->rules);
        }
    }

    /**
     * Adds additional URL rules.
     *
     * This method will call [[buildRules()]] to parse the given rule declarations and then append or insert
     * them to the existing [[rules]].
     *
     * Note that if [[enablePrettyUrl]] is `false`, this method will do nothing.
     *
     * @param array $rules the new rules to be added. Each array element represents a single rule declaration.
     * Please refer to [[rules]] for the acceptable rule format.
     * @param bool $append whether to add the new rules by appending them to the end of the existing rules.
     */
    public function addRules($rules, $append = true)
    {
        if (!$this->enablePrettyUrl) {
            return;
        }
        $rules = $this->buildRules($rules);
        if ($append) {
            $this->rules = array_merge($this->rules, $rules);
        } else {
            $this->rules = array_merge($rules, $this->rules);
        }
    }

    /**
     * Builds URL rule objects from the given rule declarations.
     * @param array $rules the rule declarations. Each array element represents a single rule declaration.
     * Please refer to [[rules]] for the acceptable rule formats.
     * @return UrlRuleInterface[] the rule objects built from the given rule declarations
     * @throws InvalidConfigException if a rule declaration is invalid
     */
    protected function buildRules($rules)
    {
        $compiledRules = [];
        $verbs = 'GET|HEAD|POST|PUT|PATCH|DELETE|OPTIONS';
        foreach ($rules as $key => $rule) {
            if (is_string($rule)) {
                $rule = ['route' => $rule];
                if (preg_match("/^((?:($verbs),)*($verbs))\\s+(.*)$/", $key, $matches)) {
                    $rule['verb'] = explode(',', $matches[1]);
                    // rules that do not apply for GET requests should not be use to create urls
                    if (!in_array('GET', $rule['verb'])) {
                        $rule['mode'] = UrlRule::PARSING_ONLY;
                    }
                    $key = $matches[4];
                }
                $rule['pattern'] = $key;
            }
            if (is_array($rule)) {
                $rule = Yii::createObject(array_merge($this->ruleConfig, $rule));
            }
            if (!$rule instanceof UrlRuleInterface) {
                throw new InvalidConfigException('URL rule class must implement UrlRuleInterface.');
            }
            $compiledRules[] = $rule;
        }
        return $compiledRules;
    }

    /**
     * Parses the user request.
     * @param Request $request the request component
     * @return array|bool the route and the associated parameters. The latter is always empty
     * if [[enablePrettyUrl]] is `false`. `false` is returned if the current request cannot be successfully parsed.
     */
    public function parseRequest($request)
    {
        if ($this->enablePrettyUrl) {
            /* @var $rule UrlRule */
            foreach ($this->rules as $rule) {
                if (($result = $rule->parseRequest($this, $request)) !== false) {
                    return $result;
                }
            }

            if ($this->enableStrictParsing) {
                return false;
            }

            Yii::trace('No matching URL rules. Using default URL parsing logic.', __METHOD__);

            $suffix = (string) $this->suffix;
            $pathInfo = $request->getPathInfo();
            $normalized = false;
            if ($this->normalizer !== false) {
                $pathInfo = $this->normalizer->normalizePathInfo($pathInfo, $suffix, $normalized);
            }
            if ($suffix !== '' && $pathInfo !== '') {
                $n = strlen($this->suffix);
                if (substr_compare($pathInfo, $this->suffix, -$n, $n) === 0) {
                    $pathInfo = substr($pathInfo, 0, -$n);
                    if ($pathInfo === '') {
                        // suffix alone is not allowed
                        return false;
                    }
                } else {
                    // suffix doesn't match
                    return false;
                }
            }

            if ($normalized) {
                // pathInfo was changed by normalizer - we need also normalize route
                return $this->normalizer->normalizeRoute([$pathInfo, []]);
            } else {
                return [$pathInfo, []];
            }
        } else {
            Yii::trace('Pretty URL not enabled. Using default URL parsing logic.', __METHOD__);
            $route = $request->getQueryParam($this->routeParam, '');
            if (is_array($route)) {
                $route = '';
            }

            return [(string) $route, []];
        }
    }

    /**
     * Creates a URL using the given route and query parameters.
     *
     * You may specify the route as a string, e.g., `site/index`. You may also use an array
     * if you want to specify additional query parameters for the URL being created. The
     * array format must be:
     *
     * ```php
     * // generates: /index.php?r=site%2Findex&param1=value1&param2=value2
     * ['site/index', 'param1' => 'value1', 'param2' => 'value2']
     * ```
     *
     * If you want to create a URL with an anchor, you can use the array format with a `#` parameter.
     * For example,
     *
     * ```php
     * // generates: /index.php?r=site%2Findex&param1=value1#name
     * ['site/index', 'param1' => 'value1', '#' => 'name']
     * ```
     *
     * The URL created is a relative one. Use [[createAbsoluteUrl()]] to create an absolute URL.
     *
     * Note that unlike [[\yii\helpers\Url::toRoute()]], this method always treats the given route
     * as an absolute route.
     *
     * @param string|array $params use a string to represent a route (e.g. `site/index`),
     * or an array to represent a route with query parameters (e.g. `['site/index', 'param1' => 'value1']`).
     * @return string the created URL
     */
    public function createUrl($params)
    {
        $params = (array) $params;
        $anchor = isset($params['#']) ? '#' . $params['#'] : '';
        unset($params['#'], $params[$this->routeParam]);

        $route = trim($params[0], '/');
        unset($params[0]);

        $baseUrl = $this->showScriptName || !$this->enablePrettyUrl ? $this->getScriptUrl() : $this->getBaseUrl();

        if ($this->enablePrettyUrl) {
            $cacheKey = $route . '?';
            foreach ($params as $key => $value) {
                if ($value !== null) {
                    $cacheKey .= $key . '&';
                }
            }

            $url = $this->getUrlFromCache($cacheKey, $route, $params);

            if ($url === false) {
                $cacheable = true;
                foreach ($this->rules as $rule) {
                    /* @var $rule UrlRule */
                    if (!empty($rule->defaults) && $rule->mode !== UrlRule::PARSING_ONLY) {
                        // if there is a rule with default values involved, the matching result may not be cached
                        $cacheable = false;
                    }
                    if (($url = $rule->createUrl($this, $route, $params)) !== false) {
                        if ($cacheable) {
                            $this->setRuleToCache($cacheKey, $rule);
                        }
                        break;
                    }
                }
            }

            if ($url !== false) {
                if (strpos($url, '://') !== false) {
                    if ($baseUrl !== '' && ($pos = strpos($url, '/', 8)) !== false) {
                        return substr($url, 0, $pos) . $baseUrl . substr($url, $pos) . $anchor;
                    } else {
                        return $url . $baseUrl . $anchor;
                    }
                } else {
                    return "$baseUrl/{$url}{$anchor}";
                }
            }

            if ($this->suffix !== null) {
                $route .= $this->suffix;
            }
            if (!empty($params) && ($query = http_build_query($params)) !== '') {
                $route .= '?' . $query;
            }

            return "$baseUrl/{$route}{$anchor}";
        } else {
            $url = "$baseUrl?{$this->routeParam}=" . urlencode($route);
            if (!empty($params) && ($query = http_build_query($params)) !== '') {
                $url .= '&' . $query;
            }

            return $url . $anchor;
        }
    }

    /**
     * Get URL from internal cache if exists
     * @param string $cacheKey generated cache key to store data.
     * @param string $route the route (e.g. `site/index`).
     * @param array $params rule params.
     * @return bool|string the created URL
     * @see createUrl()
     * @since 2.0.8
     */
    protected function getUrlFromCache($cacheKey, $route, $params)
    {
        if (!empty($this->_ruleCache[$cacheKey])) {
            foreach ($this->_ruleCache[$cacheKey] as $rule) {
                /* @var $rule UrlRule */
                if (($url = $rule->createUrl($this, $route, $params)) !== false) {
                    return $url;
                }
            }
        } else {
            $this->_ruleCache[$cacheKey] = [];
        }
        return false;
    }

    /**
     * Store rule (e.g. [[UrlRule]]) to internal cache
     * @param $cacheKey
     * @param UrlRuleInterface $rule
     * @since 2.0.8
     */
    protected function setRuleToCache($cacheKey, UrlRuleInterface $rule)
    {
        $this->_ruleCache[$cacheKey][] = $rule;
    }

    /**
     * Creates an absolute URL using the given route and query parameters.
     *
     * This method prepends the URL created by [[createUrl()]] with the [[hostInfo]].
     *
     * Note that unlike [[\yii\helpers\Url::toRoute()]], this method always treats the given route
     * as an absolute route.
     *
     * @param string|array $params use a string to represent a route (e.g. `site/index`),
     * or an array to represent a route with query parameters (e.g. `['site/index', 'param1' => 'value1']`).
     * @param string|null $scheme the scheme to use for the URL (either `http`, `https` or empty string
     * for protocol-relative URL).
     * If not specified the scheme of the current request will be used.
     * @return string the created URL
     * @see createUrl()
     */
    public function createAbsoluteUrl($params, $scheme = null)
    {
        $params = (array) $params;
        $url = $this->createUrl($params);
        if (strpos($url, '://') === false) {
            $url = $this->getHostInfo() . $url;
        }

        return Url::ensureScheme($url, $scheme);
    }

    /**
     * Returns the base URL that is used by [[createUrl()]] to prepend to created URLs.
     * It defaults to [[Request::baseUrl]].
     * This is mainly used when [[enablePrettyUrl]] is `true` and [[showScriptName]] is `false`.
     * @return string the base URL that is used by [[createUrl()]] to prepend to created URLs.
     * @throws InvalidConfigException if running in console application and [[baseUrl]] is not configured.
     */
    public function getBaseUrl()
    {
        if ($this->_baseUrl === null) {
            $request = Yii::$app->getRequest();
            if ($request instanceof Request) {
                $this->_baseUrl = $request->getBaseUrl();
            } else {
                throw new InvalidConfigException('Please configure UrlManager::baseUrl correctly as you are running a console application.');
            }
        }

        return $this->_baseUrl;
    }

    /**
     * Sets the base URL that is used by [[createUrl()]] to prepend to created URLs.
     * This is mainly used when [[enablePrettyUrl]] is `true` and [[showScriptName]] is `false`.
     * @param string $value the base URL that is used by [[createUrl()]] to prepend to created URLs.
     */
    public function setBaseUrl($value)
    {
        $this->_baseUrl = $value === null ? null : rtrim($value, '/');
    }

    /**
     * Returns the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
     * It defaults to [[Request::scriptUrl]].
     * This is mainly used when [[enablePrettyUrl]] is `false` or [[showScriptName]] is `true`.
     * @return string the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
     * @throws InvalidConfigException if running in console application and [[scriptUrl]] is not configured.
     */
    public function getScriptUrl()
    {
        if ($this->_scriptUrl === null) {
            $request = Yii::$app->getRequest();
            if ($request instanceof Request) {
                $this->_scriptUrl = $request->getScriptUrl();
            } else {
                throw new InvalidConfigException('Please configure UrlManager::scriptUrl correctly as you are running a console application.');
            }
        }

        return $this->_scriptUrl;
    }

    /**
     * Sets the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
     * This is mainly used when [[enablePrettyUrl]] is `false` or [[showScriptName]] is `true`.
     * @param string $value the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
     */
    public function setScriptUrl($value)
    {
        $this->_scriptUrl = $value;
    }

    /**
     * Returns the host info that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
     * @return string the host info (e.g. "http://www.example.com") that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
     * @throws InvalidConfigException if running in console application and [[hostInfo]] is not configured.
     */
    public function getHostInfo()
    {
        if ($this->_hostInfo === null) {
            $request = Yii::$app->getRequest();
            if ($request instanceof \yii\web\Request) {
                $this->_hostInfo = $request->getHostInfo();
            } else {
                throw new InvalidConfigException('Please configure UrlManager::hostInfo correctly as you are running a console application.');
            }
        }

        return $this->_hostInfo;
    }

    /**
     * Sets the host info that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
     * @param string $value the host info (e.g. "http://www.example.com") that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
     */
    public function setHostInfo($value)
    {
        $this->_hostInfo = $value === null ? null : rtrim($value, '/');
    }
}


1		<?php
2		/**
3		* @link http://www.yiiframework.com/
4		* @copyright Copyright (c) 2008 Yii Software LLC
5		* @license http://www.yiiframework.com/license/
6		*/
7
8		namespace yii\web;
9
10		use Yii;
11		use yii\base\Component;
12		use yii\base\InvalidConfigException;
13		use yii\caching\Cache;
14		use yii\helpers\Url;
15
16		/**
17		* UrlManager handles HTTP request parsing and creation of URLs based on a set of rules.
18		*
19		* UrlManager is configured as an application component in [[\yii\base\Application]] by default.
20		* You can access that instance via `Yii::$app->urlManager`.
21		*
22		* You can modify its configuration by adding an array to your application config under `components`
23		* as it is shown in the following example:
24		*
25		* ```php
26		* 'urlManager' => [
27		* 'enablePrettyUrl' => true,
28		* 'rules' => [
29		* // your rules go here
30		* ],
31		* // ...
32		* ]
33		* ```
34		*
35		* For more details and usage information on UrlManager, see the [guide article on routing](guide:runtime-routing).
36		*
37		* @property string $baseUrl The base URL that is used by [[createUrl()]] to prepend to created URLs.
38		* @property string $hostInfo The host info (e.g. "http://www.example.com") that is used by
39		* [[createAbsoluteUrl()]] to prepend to created URLs.
40		* @property string $scriptUrl The entry script URL that is used by [[createUrl()]] to prepend to created
41		* URLs.
42		*
43		* @author Qiang Xue <[email protected]>
44		* @since 2.0
45		*/
46		class UrlManager extends Component
47		{
48		/**
49		* @var bool whether to enable pretty URLs. Instead of putting all parameters in the query
50		* string part of a URL, pretty URLs allow using path info to represent some of the parameters
51		* and can thus produce more user-friendly URLs, such as "/news/Yii-is-released", instead of
52		* "/index.php?r=news%2Fview&id=100".
53		*/
54		public $enablePrettyUrl = false;
55		/**
56		* @var bool whether to enable strict parsing. If strict parsing is enabled, the incoming
57		* requested URL must match at least one of the [[rules]] in order to be treated as a valid request.
58		* Otherwise, the path info part of the request will be treated as the requested route.
59		* This property is used only when [[enablePrettyUrl]] is `true`.
60		*/
61		public $enableStrictParsing = false;
62		/**
63		* @var array the rules for creating and parsing URLs when [[enablePrettyUrl]] is `true`.
64		* This property is used only if [[enablePrettyUrl]] is `true`. Each element in the array
65		* is the configuration array for creating a single URL rule. The configuration will
66		* be merged with [[ruleConfig]] first before it is used for creating the rule object.
67		*
68		* A special shortcut format can be used if a rule only specifies [[UrlRule::pattern\|pattern]]
69		* and [[UrlRule::route\|route]]: `'pattern' => 'route'`. That is, instead of using a configuration
70		* array, one can use the key to represent the pattern and the value the corresponding route.
71		* For example, `'post/<id:\d+>' => 'post/view'`.
72		*
73		* For RESTful routing the mentioned shortcut format also allows you to specify the
74		* [[UrlRule::verb\|HTTP verb]] that the rule should apply for.
75		* You can do that by prepending it to the pattern, separated by space.
76		* For example, `'PUT post/<id:\d+>' => 'post/update'`.
77		* You may specify multiple verbs by separating them with comma
78		* like this: `'POST,PUT post/index' => 'post/create'`.
79		* The supported verbs in the shortcut format are: GET, HEAD, POST, PUT, PATCH and DELETE.
80		* Note that [[UrlRule::mode\|mode]] will be set to PARSING_ONLY when specifying verb in this way
81		* so you normally would not specify a verb for normal GET request.
82		*
83		* Here is an example configuration for RESTful CRUD controller:
84		*
85		* ```php
86		* [
87		* 'dashboard' => 'site/index',
88		*
89		* 'POST <controller:[\w-]+>s' => '<controller>/create',
90		* '<controller:[\w-]+>s' => '<controller>/index',
91		*
92		* 'PUT <controller:[\w-]+>/<id:\d+>' => '<controller>/update',
93		* 'DELETE <controller:[\w-]+>/<id:\d+>' => '<controller>/delete',
94		* '<controller:[\w-]+>/<id:\d+>' => '<controller>/view',
95		* ];
96		* ```
97		*
98		* Note that if you modify this property after the UrlManager object is created, make sure
99		* you populate the array with rule objects instead of rule configurations.
100		*/
101		public $rules = [];
102		/**
103		* @var string the URL suffix used when [[enablePrettyUrl]] is `true`.
104		* For example, ".html" can be used so that the URL looks like pointing to a static HTML page.
105		* This property is used only if [[enablePrettyUrl]] is `true`.
106		*/
107		public $suffix;
108		/**
109		* @var bool whether to show entry script name in the constructed URL. Defaults to `true`.
110		* This property is used only if [[enablePrettyUrl]] is `true`.
111		*/
112		public $showScriptName = true;
113		/**
114		* @var string the GET parameter name for route. This property is used only if [[enablePrettyUrl]] is `false`.
115		*/
116		public $routeParam = 'r';
117		/**
118		* @var Cache\|string the cache object or the application component ID of the cache object.
119		* Compiled URL rules will be cached through this cache object, if it is available.
120		*
121		* After the UrlManager object is created, if you want to change this property,
122		* you should only assign it with a cache object.
123		* Set this property to `false` if you do not want to cache the URL rules.
124		*/
125		public $cache = 'cache';
126		/**
127		* @var array the default configuration of URL rules. Individual rule configurations
128		* specified via [[rules]] will take precedence when the same property of the rule is configured.
129		*/
130		public $ruleConfig = ['class' => 'yii\web\UrlRule'];
131		/**
132		* @var UrlNormalizer\|array\|string\|false the configuration for [[UrlNormalizer]] used by this UrlManager.
133		* The default value is `false`, which means normalization will be skipped.
134		* If you wish to enable URL normalization, you should configure this property manually.
135		* For example:
136		*
137		* ```php
138		* [
139		* 'class' => 'yii\web\UrlNormalizer',
140		* 'collapseSlashes' => true,
141		* 'normalizeTrailingSlash' => true,
142		* ]
143		* ```
144		*
145		* @since 2.0.10
146		*/
147		public $normalizer = false;
148
149		/**
150		* @var string the cache key for cached rules
151		* @since 2.0.8
152		*/
153		protected $cacheKey = __CLASS__;
154
155		private $_baseUrl;
156		private $_scriptUrl;
157		private $_hostInfo;
158		private $_ruleCache;
159
160
161		/**
162		* Initializes UrlManager.
163		*/
164	45	public function init()
165		{
166	45	parent::init();
167
168	45	if ($this->normalizer !== false) {
169	2	$this->normalizer = Yii::createObject($this->normalizer);
170	2	if (!$this->normalizer instanceof UrlNormalizer) {
171		throw new InvalidConfigException('`' . get_class($this) . '::normalizer` should be an instance of `' . UrlNormalizer::className() . '` or its DI compatible configuration.');
172		}
173	2	}
174
175	45	if (!$this->enablePrettyUrl \|\| empty($this->rules)) {
176	38	return;
177		}
178	9	if (is_string($this->cache)) {
179	1	$this->cache = Yii::$app->get($this->cache, false);
180	1	}
181	9	if ($this->cache instanceof Cache) {
182		$cacheKey = $this->cacheKey;
183		$hash = md5(json_encode($this->rules));
184		if (($data = $this->cache->get($cacheKey)) !== false && isset($data[1]) && $data[1] === $hash) {
185		$this->rules = $data[0];
186		} else {
187		$this->rules = $this->buildRules($this->rules);
188		$this->cache->set($cacheKey, [$this->rules, $hash]);
189		}
190		} else {
191	9	$this->rules = $this->buildRules($this->rules);
192		}
193	9	}
194
195		/**
196		* Adds additional URL rules.
197		*
198		* This method will call [[buildRules()]] to parse the given rule declarations and then append or insert
199		* them to the existing [[rules]].
200		*
201		* Note that if [[enablePrettyUrl]] is `false`, this method will do nothing.
202		*
203		* @param array $rules the new rules to be added. Each array element represents a single rule declaration.
204		* Please refer to [[rules]] for the acceptable rule format.
205		* @param bool $append whether to add the new rules by appending them to the end of the existing rules.
206		*/
207		public function addRules($rules, $append = true)
208		{
209		if (!$this->enablePrettyUrl) {
210		return;
211		}
212		$rules = $this->buildRules($rules);
213		if ($append) {
214		$this->rules = array_merge($this->rules, $rules);
215		} else {
216		$this->rules = array_merge($rules, $this->rules);
217		}
218		}
219
220		/**
221		* Builds URL rule objects from the given rule declarations.
222		* @param array $rules the rule declarations. Each array element represents a single rule declaration.
223		* Please refer to [[rules]] for the acceptable rule formats.
224		* @return UrlRuleInterface[] the rule objects built from the given rule declarations
225		* @throws InvalidConfigException if a rule declaration is invalid
226		*/
227	9	protected function buildRules($rules)
228		{
229	9	$compiledRules = [];
230	9	$verbs = 'GET\|HEAD\|POST\|PUT\|PATCH\|DELETE\|OPTIONS';
231	9	foreach ($rules as $key => $rule) {
232	9	if (is_string($rule)) {
233	8	$rule = ['route' => $rule];
234	8	if (preg_match("/^((?:($verbs),)($verbs))\\s+(.)$/", $key, $matches)) {
235	1	$rule['verb'] = explode(',', $matches[1]);
236		// rules that do not apply for GET requests should not be use to create urls
237	1	if (!in_array('GET', $rule['verb'])) {
238	1	$rule['mode'] = UrlRule::PARSING_ONLY;
239	1	}
240	1	$key = $matches[4];
241	1	}
242	8	$rule['pattern'] = $key;
243	8	}
244	9	if (is_array($rule)) {
245	9	$rule = Yii::createObject(array_merge($this->ruleConfig, $rule));
246	9	}
247	9	if (!$rule instanceof UrlRuleInterface) {
248		throw new InvalidConfigException('URL rule class must implement UrlRuleInterface.');
249		}
250	9	$compiledRules[] = $rule;
251	9	}
252	9	return $compiledRules;
253		}
254
255		/**
256		* Parses the user request.
257		* @param Request $request the request component
258		* @return array\|bool the route and the associated parameters. The latter is always empty
259		* if [[enablePrettyUrl]] is `false`. `false` is returned if the current request cannot be successfully parsed.
260		*/
261	3	public function parseRequest($request)
262		{
263	3	if ($this->enablePrettyUrl) {
264		/* @var $rule UrlRule */
265	3	foreach ($this->rules as $rule) {
266	3	if (($result = $rule->parseRequest($this, $request)) !== false) {
267	3	return $result;
268		}
269	3	}
270
271	1	if ($this->enableStrictParsing) {
272	1	return false;
273		}
274
275	1	Yii::trace('No matching URL rules. Using default URL parsing logic.', __METHOD__);
276
277	1	$suffix = (string) $this->suffix;
278	1	$pathInfo = $request->getPathInfo();
279	1	$normalized = false;
280	1	if ($this->normalizer !== false) {
281	1	$pathInfo = $this->normalizer->normalizePathInfo($pathInfo, $suffix, $normalized);
282	1	}
283	1	if ($suffix !== '' && $pathInfo !== '') {
284	1	$n = strlen($this->suffix);
285	1	if (substr_compare($pathInfo, $this->suffix, -$n, $n) === 0) {
286	1	$pathInfo = substr($pathInfo, 0, -$n);
287	1	if ($pathInfo === '') {
288		// suffix alone is not allowed
289		return false;
290		}
291	1	} else {
292		// suffix doesn't match
293	1	return false;
294		}
295	1	}
296
297	1	if ($normalized) {
298		// pathInfo was changed by normalizer - we need also normalize route
299	1	return $this->normalizer->normalizeRoute([$pathInfo, []]);
300		} else {
301	1	return [$pathInfo, []];
302		}
303		} else {
304	1	Yii::trace('Pretty URL not enabled. Using default URL parsing logic.', __METHOD__);
305	1	$route = $request->getQueryParam($this->routeParam, '');
306	1	if (is_array($route)) {
307	1	$route = '';
308	1	}
309
310	1	return [(string) $route, []];
311		}
312		}
313
314		/**
315		* Creates a URL using the given route and query parameters.
316		*
317		* You may specify the route as a string, e.g., `site/index`. You may also use an array
318		* if you want to specify additional query parameters for the URL being created. The
319		* array format must be:
320		*
321		* ```php
322		* // generates: /index.php?r=site%2Findex&param1=value1&param2=value2
323		* ['site/index', 'param1' => 'value1', 'param2' => 'value2']
324		* ```
325		*
326		* If you want to create a URL with an anchor, you can use the array format with a `#` parameter.
327		* For example,
328		*
329		* ```php
330		* // generates: /index.php?r=site%2Findex&param1=value1#name
331		* ['site/index', 'param1' => 'value1', '#' => 'name']
332		* ```
333		*
334		* The URL created is a relative one. Use [[createAbsoluteUrl()]] to create an absolute URL.
335		*
336		* Note that unlike [[\yii\helpers\Url::toRoute()]], this method always treats the given route
337		* as an absolute route.
338		*
339		* @param string\|array $params use a string to represent a route (e.g. `site/index`),
340		* or an array to represent a route with query parameters (e.g. `['site/index', 'param1' => 'value1']`).
341		* @return string the created URL
342		*/
343	32	public function createUrl($params)
344		{
345	32	$params = (array) $params;
346	32	$anchor = isset($params['#']) ? '#' . $params['#'] : '';
347	32	unset($params['#'], $params[$this->routeParam]);
348
349	32	$route = trim($params[0], '/');
350	32	unset($params[0]);
351
352	32	$baseUrl = $this->showScriptName \|\| !$this->enablePrettyUrl ? $this->getScriptUrl() : $this->getBaseUrl();
353
354	32	if ($this->enablePrettyUrl) {
355	7	$cacheKey = $route . '?';
356	7	foreach ($params as $key => $value) {
357	5	if ($value !== null) {
358	5	$cacheKey .= $key . '&';
359	5	}
360	7	}
361
362	7	$url = $this->getUrlFromCache($cacheKey, $route, $params);
363
364	7	if ($url === false) {
365	7	$cacheable = true;
366	7	foreach ($this->rules as $rule) {
367		/* @var $rule UrlRule */
368	7	if (!empty($rule->defaults) && $rule->mode !== UrlRule::PARSING_ONLY) {
369		// if there is a rule with default values involved, the matching result may not be cached
370	1	$cacheable = false;
371	1	}
372	7	if (($url = $rule->createUrl($this, $route, $params)) !== false) {
373	6	if ($cacheable) {
374	6	$this->setRuleToCache($cacheKey, $rule);
375	6	}
376	6	break;
377		}
378	7	}
379	7	}
380
381	7	if ($url !== false) {
382	6	if (strpos($url, '://') !== false) {
383	3	if ($baseUrl !== '' && ($pos = strpos($url, '/', 8)) !== false) {
384	2	return substr($url, 0, $pos) . $baseUrl . substr($url, $pos) . $anchor;
385		} else {
386	1	return $url . $baseUrl . $anchor;
387		}
388		} else {
389	4	return "$baseUrl/{$url}{$anchor}";
390		}
391		}
392
393	2	if ($this->suffix !== null) {
394	1	$route .= $this->suffix;
395	1	}
396	2	if (!empty($params) && ($query = http_build_query($params)) !== '') {
397	2	$route .= '?' . $query;
398	2	}
399
400	2	return "$baseUrl/{$route}{$anchor}";
401		} else {
402	26	$url = "$baseUrl?{$this->routeParam}=" . urlencode($route);
403	26	if (!empty($params) && ($query = http_build_query($params)) !== '') {
404	24	$url .= '&' . $query;
405	24	}
406
407	26	return $url . $anchor;
408		}
409		}
410
411		/**
412		* Get URL from internal cache if exists
413		* @param string $cacheKey generated cache key to store data.
414		* @param string $route the route (e.g. `site/index`).
415		* @param array $params rule params.
416		* @return bool\|string the created URL
417		* @see createUrl()
418		* @since 2.0.8
419		*/
420	7	protected function getUrlFromCache($cacheKey, $route, $params)
421		{
422	7	if (!empty($this->_ruleCache[$cacheKey])) {
423	4	foreach ($this->_ruleCache[$cacheKey] as $rule) {
424		/* @var $rule UrlRule */
425	4	if (($url = $rule->createUrl($this, $route, $params)) !== false) {
426	4	return $url;
427		}
428		}
429		} else {
430	7	$this->_ruleCache[$cacheKey] = [];
431		}
432	7	return false;
433		}
434
435		/**
436		* Store rule (e.g. [[UrlRule]]) to internal cache
437		* @param $cacheKey
438		* @param UrlRuleInterface $rule
439		* @since 2.0.8
440		*/
441	6	protected function setRuleToCache($cacheKey, UrlRuleInterface $rule)
442		{
443	6	$this->_ruleCache[$cacheKey][] = $rule;
444	6	}
445
446		/**
447		* Creates an absolute URL using the given route and query parameters.
448		*
449		* This method prepends the URL created by [[createUrl()]] with the [[hostInfo]].
450		*
451		* Note that unlike [[\yii\helpers\Url::toRoute()]], this method always treats the given route
452		* as an absolute route.
453		*
454		* @param string\|array $params use a string to represent a route (e.g. `site/index`),
455		* or an array to represent a route with query parameters (e.g. `['site/index', 'param1' => 'value1']`).
456		* @param string\|null $scheme the scheme to use for the URL (either `http`, `https` or empty string
457		* for protocol-relative URL).
458		* If not specified the scheme of the current request will be used.
459		* @return string the created URL
460		* @see createUrl()
461		*/
462	13	public function createAbsoluteUrl($params, $scheme = null)
463		{
464	13	$params = (array) $params;
465	13	$url = $this->createUrl($params);
466	13	if (strpos($url, '://') === false) {
467	11	$url = $this->getHostInfo() . $url;
468	11	}
469
470	13	return Url::ensureScheme($url, $scheme);
471		}
472
473		/**
474		* Returns the base URL that is used by [[createUrl()]] to prepend to created URLs.
475		* It defaults to [[Request::baseUrl]].
476		* This is mainly used when [[enablePrettyUrl]] is `true` and [[showScriptName]] is `false`.
477		* @return string the base URL that is used by [[createUrl()]] to prepend to created URLs.
478		* @throws InvalidConfigException if running in console application and [[baseUrl]] is not configured.
479		*/
480	5	public function getBaseUrl()
481		{
482	5	if ($this->_baseUrl === null) {
483	1	$request = Yii::$app->getRequest();
484	1	if ($request instanceof Request) {
485	1	$this->_baseUrl = $request->getBaseUrl();
486	1	} else {
487		throw new InvalidConfigException('Please configure UrlManager::baseUrl correctly as you are running a console application.');
488		}
489	1	}
490
491	5	return $this->_baseUrl;
492		}
493
494		/**
495		* Sets the base URL that is used by [[createUrl()]] to prepend to created URLs.
496		* This is mainly used when [[enablePrettyUrl]] is `true` and [[showScriptName]] is `false`.
497		* @param string $value the base URL that is used by [[createUrl()]] to prepend to created URLs.
498		*/
499	13	public function setBaseUrl($value)
500		{
501	13	$this->_baseUrl = $value === null ? null : rtrim($value, '/');
502	13	}
503
504		/**
505		* Returns the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
506		* It defaults to [[Request::scriptUrl]].
507		* This is mainly used when [[enablePrettyUrl]] is `false` or [[showScriptName]] is `true`.
508		* @return string the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
509		* @throws InvalidConfigException if running in console application and [[scriptUrl]] is not configured.
510		*/
511	29	public function getScriptUrl()
512		{
513	29	if ($this->_scriptUrl === null) {
514	10	$request = Yii::$app->getRequest();
515	10	if ($request instanceof Request) {
516	10	$this->_scriptUrl = $request->getScriptUrl();
517	10	} else {
518		throw new InvalidConfigException('Please configure UrlManager::scriptUrl correctly as you are running a console application.');
519		}
520	10	}
521
522	29	return $this->_scriptUrl;
523		}
524
525		/**
526		* Sets the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
527		* This is mainly used when [[enablePrettyUrl]] is `false` or [[showScriptName]] is `true`.
528		* @param string $value the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
529		*/
530	23	public function setScriptUrl($value)
531		{
532	23	$this->_scriptUrl = $value;
533	23	}
534
535		/**
536		* Returns the host info that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
537		* @return string the host info (e.g. "http://www.example.com") that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
538		* @throws InvalidConfigException if running in console application and [[hostInfo]] is not configured.
539		*/
540	13	public function getHostInfo()
541		{
542	13	if ($this->_hostInfo === null) {
543	7	$request = Yii::$app->getRequest();
544	7	if ($request instanceof \yii\web\Request) {
545	7	$this->_hostInfo = $request->getHostInfo();
546	7	} else {
547		throw new InvalidConfigException('Please configure UrlManager::hostInfo correctly as you are running a console application.');
548		}
549	7	}
550
551	13	return $this->_hostInfo;
552		}
553
554		/**
555		* Sets the host info that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
556		* @param string $value the host info (e.g. "http://www.example.com") that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
557		*/
558	9	public function setHostInfo($value)
559		{
560	9	$this->_hostInfo = $value === null ? null : rtrim($value, '/');
561	9	}
562		}
563

yiisoft / yii2

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