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<?php |
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/** |
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* |
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* @package ElkArte Forum |
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* @copyright ElkArte Forum contributors |
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* @license BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file) |
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* |
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* This file contains code covered by: |
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* copyright: 2011 Simple Machines (http://www.simplemachines.org) |
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* |
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* @version 2.0 dev |
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* |
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*/ |
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namespace BBC; |
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/** |
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* Class Autolink |
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* |
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* Class to change url and email text to BBC link codes [url] [email] |
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* |
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* @package BBC |
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*/ |
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class Autolink |
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{ |
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/** @var Codes */ |
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protected $bbc; |
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/** @var bool */ |
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protected $url_enabled; |
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/** @var bool */ |
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protected $email_enabled; |
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/** @var bool */ |
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protected $possible_link; |
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/** @var bool */ |
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protected $possible_email; |
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/** @var array of search regex for urls */ |
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protected $search; |
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/** @var array of bbc url coded links */ |
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protected $replace; |
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/** @var array of search regex for email */ |
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protected $email_search; |
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/** @var array of bbc email coded links */ |
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protected $email_replace; |
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/** |
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* Autolink constructor. |
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*/ |
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public function __construct(Codes $bbc) |
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{ |
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$this->bbc = $bbc; |
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$this->url_enabled = !$this->bbc->isDisabled('url'); |
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$this->email_enabled = !$this->bbc->isDisabled('email'); |
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$this->load(); |
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} |
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/** |
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* Load the autolink regular expressions to be used in autoLink() |
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*/ |
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protected function load(): void |
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{ |
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$search_url = [ |
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'~(?<=[\s>\.(;\'"]|^)((?:http|https)://[\w\-_%@:|]+(?:\.[\w\-_%]+)*(?::\d+)?(?:/[\p{L}\p{N}\-_\~%\.@!,\?&;=*#(){}+:\'\\\\]*)*[/\p{L}\p{N}\-_\~%@\?;=#}\\\\])~ui', |
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'~(?<=[\s>(\'<]|^)(www(?:\.[\w\-_]+)+(?::\d+)?(?:/[\p{L}\p{N}\-_\~%\.@!,\?&;=#(){}+:\'\\\\]*)*[/\p{L}\p{N}\-_\~%@\?;=#}\\\\])~ui' |
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]; |
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$replace_url = [ |
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//'[url_auto=$1]$1[/url_auto]', |
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//'[url_auto=$1]$1[/url_auto]', |
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'[url]$1[/url]', |
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'[url=https://$1]$1[/url]', |
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]; |
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$search_email = [ |
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'~(?<=[\?\s\x{A0}\[\]()*\\\;>]|^)([\w\-\.]{1,80}@[\w\-]+\.[\w\-\.]+[\w\-])(?=[?,\s\x{A0}\[\]()*\\\]|$|<br />| |>|<|"|'|\.(?:\.|;| |\s|$|<br />))~u', |
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'~(?<=<br />)([\w\-\.]{1,80}@[\w\-]+\.[\w\-\.]+[\w\-])(?=[?\.,;\s\x{A0}\[\]()*\\\]|$|<br />| |>|<|"|')~u', |
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]; |
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$replace_email = [ |
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//'[email_auto]$1[/email_auto]', |
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//'[email_auto]$1[/email_auto]', |
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'[email]$1[/email]', |
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'[email]$1[/email]', |
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]; |
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// Allow integration an option to add / remove linking code |
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call_integration_hook('integrate_autolink_load', [&$search_url, &$replace_url, &$search_email, &$replace_email, $this->bbc]); |
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// Load them to the class |
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$this->search = $search_url; |
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$this->replace = $replace_url; |
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if (empty($search_url) || empty($replace_url)) |
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{ |
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$this->url_enabled = false; |
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} |
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$this->email_search = $search_email; |
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$this->email_replace = $replace_email; |
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if (empty($search_email) || empty($replace_email)) |
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{ |
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$this->email_enabled = false; |
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} |
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} |
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/** |
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* Parse links and emails in the data |
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* |
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* @param string $data |
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* |
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* @return null|string|string[] |
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*/ |
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public function parse($data) |
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{ |
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if ($this->hasLinks($data)) |
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{ |
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$data = $this->parseLinks($data); |
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} |
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if ($this->hasEmails($data)) |
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{ |
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$data = $this->parseEmails($data); |
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} |
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call_integration_hook('integrate_autolink_area', [&$data, $this->bbc]); |
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return $data; |
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} |
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/** |
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* Checks if the string has links of any form, http:// www.xxx |
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* |
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* @param string $data |
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* |
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* @return bool |
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*/ |
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public function hasLinks($data): bool |
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{ |
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return $this->hasPossibleLink() && (str_contains($data, '://') || str_contains($data, 'www.')); |
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} |
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/** |
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* Return if the message has possible urls to autolink |
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* |
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* @return bool |
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*/ |
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public function hasPossibleLink(): bool |
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{ |
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return $this->possible_link; |
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} |
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/** |
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* Parse any URLs found in the data |
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* |
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* - Have to get rid of the @ problems some things cause... stupid email addresses. |
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* |
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* @param $data |
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* |
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* @return string |
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*/ |
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public function parseLinks($data): string |
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{ |
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// Switch out quotes really quick because they can cause problems. |
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$data = strtr($data, [''' => "'", ' ' => "\xC2\xA0", '"' => '>">', '"' => '<"<', '<' => '<lt<']); |
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$result = preg_replace($this->search, $this->replace, $data); |
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// Only do this if the preg survives. |
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if (is_string($result)) |
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{ |
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$data = $result; |
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} |
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// Switch those quotes back |
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return strtr($data, ["'" => ''', "\xC2\xA0" => ' ', '>">' => '"', '<"<' => '"', '<lt<' => '<']); |
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} |
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/** |
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* Validates if the data contains email address that need to be parsed |
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* |
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* @param string $data |
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* |
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* @return bool |
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*/ |
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public function hasEmails($data): bool |
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{ |
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return $this->hasPossibleEmail() && str_contains($data, '@'); |
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} |
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/** |
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* Return if the message has possible emails to autolink |
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* |
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* @return bool |
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*/ |
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public function hasPossibleEmail(): bool |
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{ |
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return $this->possible_email; |
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} |
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/** |
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* Search and replace plain email address with bbc [email][/email] |
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* |
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* @param string $data |
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* |
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* @return null|string|string[] |
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*/ |
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public function parseEmails($data) |
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{ |
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// Next, emails... |
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return preg_replace($this->email_search, $this->email_replace, $data); |
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} |
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/** |
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* Quickly determine if the supplied message has potential linking code |
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* |
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* @param string $message |
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*/ |
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public function setPossibleAutolink($message): void |
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{ |
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$possible_link = $this->url_enabled && (str_contains($message, '://') || str_contains($message, 'www.')); |
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$possible_email = $this->email_enabled && str_contains($message, '@'); |
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// Your autolink integration might use something like tel.123456789.call. This makes that possible. |
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call_integration_hook('integrate_possible_autolink', [&$possible_link, &$possible_email]); |
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$this->possible_link = $possible_link; |
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$this->possible_email = $possible_email; |
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} |
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/** |
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* Return if the message has any possible links (email or url) |
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* |
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* @return bool |
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*/ |
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public function hasPossible(): bool |
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{ |
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if ($this->hasPossibleLink()) |
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{ |
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return true; |
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} |
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return $this->hasPossibleEmail(); |
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} |
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} |
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elkarte /
Elkarte
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