204 lines
8.3 KiB
PHP
204 lines
8.3 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Action for showing Twitter-like JSON search results
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Search
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2008-2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/apiprivateauth.php';
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require_once INSTALLDIR.'/lib/jsonsearchresultslist.php';
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/**
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* Action handler for Twitter-compatible API search
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*
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* @category Search
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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* @see ApiAction
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*/
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class ApiSearchJSONAction extends ApiPrivateAuthAction
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{
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var $query;
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var $lang;
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var $rpp;
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var $page;
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var $since_id;
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var $limit;
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var $geocode;
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/**
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* Initialization.
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*
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* @param array $args Web and URL arguments
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*
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* @return boolean true if nothing goes wrong
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->query = $this->trimmed('q');
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$this->lang = $this->trimmed('lang');
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$this->rpp = $this->trimmed('rpp');
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if (!$this->rpp) {
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$this->rpp = 15;
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}
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if ($this->rpp > 100) {
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$this->rpp = 100;
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}
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$this->page = $this->trimmed('page');
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if (!$this->page) {
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$this->page = 1;
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}
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// TODO: Suppport max_id -- we need to tweak the backend
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// Search classes to support it.
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$this->since_id = $this->trimmed('since_id');
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$this->geocode = $this->trimmed('geocode');
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if (!empty($this->auth_user)) {
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$this->auth_profile = $this->auth_user->getProfile();
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} else {
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$this->auth_profile = null;
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}
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return true;
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}
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/**
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* Handle a request
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*
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* @param array $args Arguments from $_REQUEST
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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$this->showResults();
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}
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/**
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* Show search results
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*
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* @return void
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*/
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function showResults()
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{
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$q = strtolower($this->query);
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// TODO: Support search operators like from: and to:, boolean, etc.
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if (preg_match('/^#([\pL\pN_\-\.]{1,64})$/ue', $q)) {
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$stream = new TagNoticeStream(substr($q, 1), $this->auth_profile);
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} else if ($this->isAnURL($q)) {
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$canon = File_redirection::_canonUrl($q);
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$file = File::staticGet('url', $canon);
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if (!empty($file)) {
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$stream = new FileNoticeStream($file, $this->auth_profile);
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}
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} else {
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$stream = new SearchNoticeStream($q, $this->auth_profile);
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}
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if (empty($stream)) {
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// XXX: This is hackish, but need some simple way to say "There's no results"
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$notice = new ArrayWrapper(array());
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} else {
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$notice = $stream->getNotices(($this->page - 1) * $this->rpp, $this->rpp + 1);
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}
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// TODO: max_id, lang, geocode
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$results = new JSONSearchResultsList($notice, $q, $this->rpp, $this->page, $this->since_id);
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$this->initDocument('json');
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$results->show();
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$this->endDocument('json');
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}
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function isAnURL($q) {
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$regex = '#^'.
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'(?:^|[\s\<\>\(\)\[\]\{\}\\\'\\\";]+)(?![\@\!\#])'.
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'('.
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'(?:'.
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'(?:'. //Known protocols
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'(?:'.
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'(?:(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|irc)://)'.
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'|'.
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'(?:(?:mailto|aim|tel|xmpp):)'.
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')'.
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'(?:[\pN\pL\-\_\+\%\~]+(?::[\pN\pL\-\_\+\%\~]+)?\@)?'. //user:pass@
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'(?:'.
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'(?:'.
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'\[[\pN\pL\-\_\:\.]+(?<![\.\:])\]'. //[dns]
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')|(?:'.
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'[\pN\pL\-\_\:\.]+(?<![\.\:])'. //dns
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')'.
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')'.
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')'.
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'|(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'. //IPv4
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'|(?:'. //IPv6
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'\[?(?:(?:(?:[0-9A-Fa-f]{1,4}:){7}(?:(?:[0-9A-Fa-f]{1,4})|:))|(?:(?:[0-9A-Fa-f]{1,4}:){6}(?::|(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})|(?::[0-9A-Fa-f]{1,4})))|(?:(?:[0-9A-Fa-f]{1,4}:){5}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:){4}(?::[0-9A-Fa-f]{1,4}){0,1}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:){3}(?::[0-9A-Fa-f]{1,4}){0,2}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:){2}(?::[0-9A-Fa-f]{1,4}){0,3}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:)(?::[0-9A-Fa-f]{1,4}){0,4}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?::(?::[0-9A-Fa-f]{1,4}){0,5}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})))\]?(?<!:)'.
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')|(?:'. //DNS
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'(?:[\pN\pL\-\_\+\%\~]+(?:\:[\pN\pL\-\_\+\%\~]+)?\@)?'. //user:pass@
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'[\pN\pL\-\_]+(?:\.[\pN\pL\-\_]+)*\.'.
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//tld list from http://data.iana.org/TLD/tlds-alpha-by-domain.txt, also added local, loc, and onion
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'(?:AC|AD|AE|AERO|AF|AG|AI|AL|AM|AN|AO|AQ|AR|ARPA|AS|ASIA|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BIZ|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CAT|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|COM|COOP|CR|CU|CV|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EDU|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GOV|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|INFO|INT|IO|IQ|IR|IS|IT|JE|JM|JO|JOBS|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MIL|MK|ML|MM|MN|MO|MOBI|MP|MQ|MR|MS|MT|MU|MUSEUM|MV|MW|MX|MY|MZ|NA|NAME|NC|NE|NET|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|ORG|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PRO|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SY|SZ|TC|TD|TEL|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TRAVEL|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|XN--0ZWM56D|测试|XN--11B5BS3A9AJ6G|परीक्षा|XN--80AKHBYKNJ4F|испытание|XN--9T4B11YI5A|테스트|XN--DEBA0AD|טעסט|XN--G6W251D|測試|XN--HGBK6AJ7F53BBA|آزمایشی|XN--HLCJ6AYA9ESC7A|பரிட்சை|XN--JXALPDLP|δοκιμή|XN--KGBECHTV|إختبار|XN--ZCKZAH|テスト|YE|YT|YU|ZA|ZM|ZW|local|loc|onion)'.
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')(?![\pN\pL\-\_])'.
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')'.
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'(?:'.
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'(?:\:\d+)?'. //:port
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'(?:/[\pN\pL$\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'@]*)?'. // /path
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'(?:\?[\pN\pL\$\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'@\/]*)?'. // ?query string
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'(?:\#[\pN\pL$\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\@/\?\#]*)?'. // #fragment
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')(?<![\?\.\,\#\,])'.
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')'.
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'$#ixu';
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return preg_match($regex, $q);
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}
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/**
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* Do we need to write to the database?
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*
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* @return boolean true
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*/
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function isReadOnly($args)
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{
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return true;
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}
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}
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