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<?php |
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|
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namespace FluentCommunity\Framework\Http; |
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|
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use Exception; |
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use FluentCommunity\Framework\Support\Util; |
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use FluentCommunity\Framework\Foundation\App; |
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use FluentCommunity\Framework\Support\DateTime; |
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use FluentCommunity\Framework\Support\UriTemplate; |
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|
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class URL |
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{ |
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protected $encrypter = null; |
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|
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public function __construct($encrypter = null) |
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{ |
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$this->encrypter = $encrypter ?: App::make('encrypter'); |
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} |
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|
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/** |
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* Get the current URL |
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* |
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* @return string |
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*/ |
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public function current() |
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{ |
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return get_site_url() . rtrim($_SERVER['REQUEST_URI'], '/'); |
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} |
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|
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/** |
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* Parse a url from uncompiled route |
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* |
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* @param string $url |
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* @param array $params |
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* @return string |
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*/ |
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public function parse(string $url, array $params) |
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{ |
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return UriTemplate::expand($url, $params); |
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} |
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|
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/** |
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* Sign the current url. |
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* |
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* @param array $params |
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* @return string |
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*/ |
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public function signCurrentUrl($params = []) |
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{ |
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return $this->sign($this->current(), $params); |
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} |
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|
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/** |
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* Sign a URL |
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* |
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* @param string $url |
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* @return string |
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*/ |
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public function sign($url, $params = []) |
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{ |
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if (!preg_match('#^(http|https)://#', $url)) { |
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$config = App::config(); |
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$slug = $config->get('app.slug'); |
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$version = $config->get('app.rest_version'); |
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$url = sprintf('%s%s/%s/%s',rest_url(), $slug, $version, $url); |
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} |
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|
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$parts = parse_url($url); |
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|
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$url = $parts['scheme'] . '://' . $parts['host'] . $parts['path']; |
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|
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parse_str($parts['query'] ?? '', $query); |
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|
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$params = $this->validateExpiryTime($params + $query); |
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|
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$params = $this->encrypter->encrypt(http_build_query($params)); |
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|
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$signature = hash_hmac('sha256', $params, $this->encrypter->getKey()); |
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|
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return $url . '?_data=' . $params . '&_signature=' . $signature; |
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} |
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|
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/** |
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* Normalize the expiry time. |
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* |
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* @param array $params |
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* @return array |
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*/ |
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public function validateExpiryTime($params) |
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{ |
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if (isset($params['expires_at'])) { |
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if (is_string($params['expires_at'])) { |
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$params['expires_at'] = strtotime($params['expires_at']); |
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} elseif ($params['expires_at'] instanceof DateTime) { |
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$params['expires_at'] = $params['expires_at']->getTimestamp(); |
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} elseif (is_numeric($params['expires_at'])) { |
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if ($params['expires_at'] <= time()) { |
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$params['expires_at'] = time() + (int) $params['expires_at']; |
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} |
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} else { |
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throw new Exception('The expiry time is invalid or has passed.'); |
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} |
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} |
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|
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return $params; |
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} |
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|
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/** |
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* Validate a URL |
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* |
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* @param string $url |
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* @return mixed (false or array) |
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*/ |
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public function validate($url) |
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{ |
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if (!$query = $this->parseUrlAndGetQuery($url)) { |
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return false; |
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} |
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|
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if (!isset($query['_data']) || !isset($query['_signature'])) { |
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return false; |
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} |
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|
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return $this->verifySignature($query['_data'], $query['_signature']); |
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} |
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|
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/** |
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* Parse query string from the url. |
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* |
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* @param string $url |
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* @return mixed (bool or array) |
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*/ |
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public function parseUrlAndGetQuery($url) |
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{ |
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$parts = parse_url($url); |
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|
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if (!isset($parts['query'])) { |
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return false; |
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} |
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parse_str($parts['query'], $query); |
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|
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return $query; |
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} |
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|
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/** |
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* Verify the signature. |
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* |
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* @param array $data |
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* @param string $signature |
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* @return mixed (bool or array) |
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*/ |
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public function verifySignature($data, $signature) |
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{ |
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$expected = hash_hmac('sha256', $data, $this->encrypter->getKey()); |
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|
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if (!hash_equals($expected, $signature)) return false; |
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|
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parse_str($this->encrypter->decrypt($data), $params); |
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|
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if (isset($params['expires_at']) && time() > $params['expires_at']) { |
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return false; |
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} |
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|
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return empty($params) ? true : $params; |
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} |
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|
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/** |
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* Helper method for home_url. |
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* |
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* @return string |
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*/ |
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public function wp($path = '') |
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{ |
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$wp = get_option('siteUrl'); |
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|
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if ($path) { |
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$wp .= '/' . trim($path, '/'); |
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} |
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return $wp; |
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} |
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|
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/** |
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* Retrieve the wp-content URL. |
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* |
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* Note: The wp-content directory is renamable by devs so it's not |
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* guaranteed to be wp-content, so use this method for safety. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function content($path = '') |
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{ |
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return content_url($path); |
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} |
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|
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/** |
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* Retrieve the wp-content/plugins URL. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function plugins($path = '') |
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{ |
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return $this->content('/plugins/' . ltrim($path, '/')); |
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} |
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|
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/** |
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* Retrieve the wp-content/plugins URL. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function plugin($path = '') |
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{ |
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$pluginUrl = rtrim(plugin_dir_url( |
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App::make('__pluginfile__') |
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), '/'); |
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|
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if ($path) { |
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$pluginUrl .= '/' . trim($path, '/'); |
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} |
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return $pluginUrl; |
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} |
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|
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/** |
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* Retrieve the wp-content/themes URL. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function themes($path = '') |
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{ |
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return $this->content('/themes/' . ltrim($path, '/')); |
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} |
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|
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/** |
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* Retrieve the wp-content/uploads URL. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function uploads($path = '') |
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{ |
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return $this->content('/uploads/' . ltrim($path, '/')); |
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} |
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|
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/** |
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* Retrieve the site/home URL. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function home($path = '', $scheme = null) |
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{ |
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return site_url($path, $scheme); |
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} |
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|
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/** |
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* Generate a URL from a file path. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function fromFile($path) |
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{ |
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return Util::pathToUrl($path); |
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} |
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|
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/** |
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* Returns the string representation of the URL object |
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* |
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* @return string Current URL. |
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*/ |
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public function __toString() |
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{ |
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return $this->current(); |
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} |
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} |
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|
