625 lines
No EOL
15 KiB
PHP
625 lines
No EOL
15 KiB
PHP
<?php
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# -- BEGIN LICENSE BLOCK ----------------------------------
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# This file is part of kUtRL, a plugin for Dotclear 2.
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#
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# Copyright (c) 2009-2011 JC Denis and contributors
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# jcdenis@gdwd.com
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#
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# Licensed under the GPL version 2.0 license.
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# A copy of this license is available in LICENSE file or at
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# -- END LICENSE BLOCK ------------------------------------
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if (!defined('DC_RC_PATH')){return;}
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require_once dirname(__FILE__).'/_widgets.php';
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$core->tpl->setPath($core->tpl->getPath(),dirname(__FILE__).'/default-templates');
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$core->addBehavior('publicBeforeDocument',array('pubKutrl','publicBeforeDocument'));
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$core->addBehavior('publicHeadContent',array('pubKutrl','publicHeadContent'));
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$core->addBehavior('publicBeforeContentFilter',array('pubKutrl','publicBeforeContentFilter'));
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$core->addBehavior('templateBeforeValue',array('pubKutrl','templateBeforeValue'));
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$core->addBehavior('templateAfterValue',array('pubKutrl','templateAfterValue'));
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$core->tpl->addBlock('kutrlPageIf',array('tplKutrl','pageIf'));
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$core->tpl->addBlock('kutrlMsgIf',array('tplKutrl','pageMsgIf'));
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$core->tpl->addValue('kutrlPageURL',array('tplKutrl','pageURL'));
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$core->tpl->addValue('kutrlMsg',array('tplKutrl','pageMsg'));
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$core->tpl->addValue('kutrlHumanField',array('tplKutrl','humanField'));
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$core->tpl->addValue('kutrlHumanFieldProtect',array('tplKutrl','humanFieldProtect'));
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$core->tpl->addBlock('AttachmentKutrlIf',array('tplKutrl','AttachmentKutrlIf'));
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$core->tpl->addValue('AttachmentKutrl',array('tplKutrl','AttachmentKutrl'));
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$core->tpl->addBlock('MediaKutrlIf',array('tplKutrl','MediaKutrlIf'));
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$core->tpl->addValue('MediaKutrl',array('tplKutrl','MediaKutrl'));
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$core->tpl->addBlock('EntryAuthorKutrlIf',array('tplKutrl','EntryAuthorKutrlIf'));
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$core->tpl->addValue('EntryAuthorKutrl',array('tplKutrl','EntryAuthorKutrl'));
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$core->tpl->addBlock('EntryKutrlIf',array('tplKutrl','EntryKutrlIf'));
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$core->tpl->addValue('EntryKutrl',array('tplKutrl','EntryKutrl'));
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$core->tpl->addBlock('CommentAuthorKutrlIf',array('tplKutrl','CommentAuthorKutrlIf'));
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$core->tpl->addValue('CommentAuthorKutrl',array('tplKutrl','CommentAuthorKutrl'));
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$core->tpl->addBlock('CommentPostKutrlIf',array('tplKutrl','CommentPostKutrlIf'));
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$core->tpl->addValue('CommentPostKutrl',array('tplKutrl','CommentPostKutrl'));
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class urlKutrl extends dcUrlHandlers
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{
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# Redirect !!! local !!! service only
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public static function redirectUrl($args)
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{
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global $core, $_ctx;
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$s = $core->blog->settings->kUtRL;
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# Not active, go to default 404
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if (!$s->kutrl_active)
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{
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self::p404();
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return;
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}
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# Not a valid url, go to kutrl 404
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if (!preg_match('#^(|(/(.*?)))$#',$args,$m))
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{
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self::kutrl404();
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return;
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}
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$args = isset($m[3]) ? $m[3] : '';
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$_ctx->kutrl_msg = '';
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$_ctx->kutrl_hmf = hmfKutrl::create();
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$_ctx->kutrl_hmfp = hmfKutrl::protect($_ctx->kutrl_hmf);
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$kut = new localKutrlService($core);
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# Nothing on url
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if ($m[1] == '/')
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{
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$_ctx->kutrl_msg = 'No link given.';
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}
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# find suffix on redirect url
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$suffix = '';
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if (preg_match('@^([^?/#]+)(.*?)$@',$args,$more))
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{
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$args = $more[1];
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$suffix = $more[2];
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}
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# No arg, go to kurtl page
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if ($args == '')
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{
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self::pageKutrl($kut);
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return;
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}
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# Not find, go to kutrl 404
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if (false === ($url = $kut->getUrl($args)))
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{
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//$_ctx->kutrl_msg = 'Failed to find short link.';
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//self::pageKutrl($kut);
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self::kutrl404();
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return;
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}
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# Removed (empty url), go to kutrl 404
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if (!$url)
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{
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self::kutrl404();
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return;
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}
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$core->blog->triggerBlog();
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http::redirect($url.$suffix);
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return;
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}
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private static function pageKutrl($kut)
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{
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global $core, $_ctx;
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$s = $core->blog->settings->kUtRL;
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# Not active, go to default 404
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if (!$s->kutrl_active)
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{
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self::p404();
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return;
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}
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# Public page not active, go to kutrl 404
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if (!$s->kutrl_srv_local_public)
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{
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self::kutrl404();
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return;
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}
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# Validation form
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$url = !empty($_POST['longurl']) ? trim($core->con->escape($_POST['longurl'])) : '';
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if (!empty($url))
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{
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$hmf = !empty($_POST['hmf']) ? $_POST['hmf'] : '!';
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$hmfu = !empty($_POST['hmfp']) ? hmfKutrl::unprotect($_POST['hmfp']) : '?';
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$err = false;
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if (!$err)
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{
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if ($hmf != $hmfu)
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{
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$err = true;
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$_ctx->kutrl_msg = __('Failed to verify protected field.');
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}
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}
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if (!$err)
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{
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if (!$kut->testService())
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{
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$err = true;
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$_ctx->kutrl_msg = __('Service is not well configured.');
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}
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}
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if (!$err)
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{
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if (!$kut->isValidUrl($url))
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{
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$err = true;
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$_ctx->kutrl_msg = __('This string is not a valid URL.');
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}
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}
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if (!$err)
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{
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if (!$kut->isLongerUrl($url))
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{
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$err = true;
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$_ctx->kutrl_msg = __('This link is too short.');
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}
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}
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if (!$err)
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{
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if (!$kut->isProtocolUrl($url))
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{
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$err = true;
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$_ctx->kutrl_msg = __('This type of link is not allowed.');
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}
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}
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if (!$err)
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{
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if (!$kut->allow_external_url && !$kut->isBlogUrl($url))
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{
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$err = true;
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$_ctx->kutrl_msg = __('Short links are limited to this blog URL.');
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}
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}
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if (!$err)
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{
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if ($kut->isServiceUrl($url))
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{
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$err = true;
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$_ctx->kutrl_msg = __('This link is already a short link.');
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}
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}
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if (!$err)
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{
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if (false !== ($rs = $kut->isKnowUrl($url)))
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{
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$err = true;
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$url = $rs->url;
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$new_url = $kut->url_base.$rs->hash;
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$_ctx->kutrl_msg = sprintf(
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__('Short link for %s is %s'),
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html::escapeHTML($url),
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'<a href="'.$new_url.'">'.$new_url.'</a>'
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);
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}
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}
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if (!$err)
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{
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if (false === ($rs = $kut->hash($url)))
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{
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$err = true;
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$_ctx->kutrl_msg = __('Failed to create short link.');
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}
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else
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{
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$url = $rs->url;
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$new_url = $kut->url_base.$rs->hash;
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$_ctx->kutrl_msg = sprintf(
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__('Short link for %s is %s'),
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html::escapeHTML($url),
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'<a href="'.$new_url.'">'.$new_url.'</a>'
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);
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$core->blog->triggerBlog();
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# ex: Send new url to messengers
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if (!empty($rs))
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{
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$core->callBehavior('publicAfterKutrlCreate',$core,$rs,__('New public short URL'));
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}
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}
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}
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}
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$core->tpl->setPath($core->tpl->getPath(),dirname(__FILE__).'/default-templates');
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self::serveDocument('kutrl.html');
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return;
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}
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protected static function kutrl404()
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{
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global $core;
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if (!$core->blog->settings->kUtRL->kutrl_srv_local_404_active)
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{
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self::p404();
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return;
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}
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$core->tpl->setPath($core->tpl->getPath(),dirname(__FILE__).'/default-templates');
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$_ctx =& $GLOBALS['_ctx'];
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$core = $GLOBALS['core'];
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header('Content-Type: text/html; charset=UTF-8');
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http::head(404,'Not Found');
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$core->url->type = '404';
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$_ctx->current_tpl = 'kutrl404.html';
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$_ctx->content_type = 'text/html';
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echo $core->tpl->getData($_ctx->current_tpl);
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# --BEHAVIOR-- publicAfterDocument
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$core->callBehavior('publicAfterDocument',$core);
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exit;
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}
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}
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class pubKutrl
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{
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# List of template tag which content URL that can be shortenn
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public static $know_tags = array(
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'AttachmentURL',
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'CategoryURL',
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'MediaURL',
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'EntryAuthorURL',
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'EntryURL',
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'EntryCategoryURL',
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'CommentAuthorURL',
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'CommentPostURL'
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);
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# Disable URL shoretning on filtered tag
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public static function templateBeforeValue($core,$tag,$attr)
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{
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if (!empty($attr['disable_kutrl']) && in_array($tag,pubKutrl::$know_tags))
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{
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return '<?php $GLOBALS["disable_kutrl"] = true; ?>';
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}
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return;
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}
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# Re unable it after tag
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public static function templateAfterValue($core,$tag,$attr)
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{
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if (!empty($attr['disable_kutrl']) && in_array($tag,pubKutrl::$know_tags))
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{
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return '<?php $GLOBALS["disable_kutrl"] = false; ?>';
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}
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return;
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}
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# Replace long urls on the fly (on filter) for default tags
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public static function publicBeforeContentFilter($core,$tag,$args)
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{
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# Unknow tag
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if (!in_array($tag,pubKutrl::$know_tags)) return;
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# URL shortening is disabled by tag attribute
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if (empty($GLOBALS['disable_kutrl']))
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{
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# kUtRL is not activated
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if (!$core->blog->settings->kUtRL->kutrl_active
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|| !$core->blog->settings->kUtRL->kutrl_tpl_active) return;
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global $_ctx;
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# Oups
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if (!$_ctx->exists('kutrl')) return;
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# Existing
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if (false !== ($kutrl_rs = $_ctx->kutrl->isKnowUrl($args[0])))
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{
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$args[0] = $_ctx->kutrl->url_base.$kutrl_rs->hash;
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}
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# New
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elseif (false !== ($kutrl_rs = $_ctx->kutrl->hash($args[0])))
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{
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$args[0] = $_ctx->kutrl->url_base.$kutrl_rs->hash;
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# ex: Send new url to messengers
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if (!empty($kutrl_rs))
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{
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$core->callBehavior('publicAfterKutrlCreate',$core,$kutrl_rs,__('New public short URL'));
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}
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}
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}
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}
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public static function publicBeforeDocument($core)
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{
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global $_ctx;
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$s = $core->blog->settings->kUtRL;
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# Passive : all kutrl tag return long url
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$_ctx->kutrl_passive = (boolean) $s->kutrl_tpl_passive;
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if (!$s->kutrl_active || !$s->kutrl_tpl_service) return;
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if (null === ($kut = kutrl::quickPlace('tpl'))) return;
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$_ctx->kutrl = $kut;
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}
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public static function publicHeadContent($core)
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{
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$css = $core->blog->settings->kUtRL->kutrl_srv_local_css;
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if ($css)
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{
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echo
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"\n<!-- CSS for kUtRL --> \n".
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"<style type=\"text/css\"> \n".
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html::escapeHTML($css)."\n".
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"</style>\n";
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}
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}
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}
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class tplKutrl
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{
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public static function pageURL($attr)
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{
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$f = $GLOBALS['core']->tpl->getFilters($attr);
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return '<?php echo '.sprintf($f,'$core->blog->url.$core->url->getBase("kutrl")').'; ?>';
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}
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public static function pageIf($attr,$content)
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{
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$operator = isset($attr['operator']) ? self::getOperator($attr['operator']) : '&&';
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if (isset($attr['is_active']))
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{
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$sign = (boolean) $attr['is_active'] ? '' : '!';
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$if[] = $sign.'$core->blog->settings->kUtRL->kutrl_srv_local_public';
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}
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if (empty($if))
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{
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return $content;
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}
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return
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"<?php if(".implode(' '.$operator.' ',$if).") : ?>\n".
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$content.
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"<?php endif; unset(\$s);?>\n";
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}
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public static function pageMsgIf($attr,$content)
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{
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$operator = isset($attr['operator']) ? self::getOperator($attr['operator']) : '&&';
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if (isset($attr['has_message']))
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{
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$sign = (boolean) $attr['has_message'] ? '!' : '=';
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$if[] = '"" '.$sign.'= $_ctx->kutrl_msg';
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}
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if (empty($if))
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{
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return $content;
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}
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return
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"<?php if(".implode(' '.$operator.' ',$if).") : ?>\n".
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$content.
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"<?php endif; ?>\n";
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}
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public static function pageMsg($attr)
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{
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return '<?php echo $_ctx->kutrl_msg; ?>';
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}
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public static function humanField($attr)
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{
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return "<?php echo sprintf(__('Rewrite \"%s\" in next field to show that you are not a robot:'),\$_ctx->kutrl_hmf); ?>";
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}
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public static function humanFieldProtect($attr)
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{
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return
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"<input type=\"hidden\" name=\"hmfp\" id=\"hmfp\" value=\"<?php echo \$_ctx->kutrl_hmfp; ?>\" />".
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"<?php echo \$core->formNonce(); ?>";
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}
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public static function AttachmentKutrlIf($attr,$content)
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{
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return self::genericKutrlIf('$attach_f->file_url',$attr,$content);
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}
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public static function AttachmentKutrl($attr)
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{
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return self::genericKutrl('$attach_f->file_url',$attr);
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}
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public static function MediaKutrlIf($attr,$content)
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{
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return self::genericKutrlIf('$_ctx->file_url',$attr,$content);
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}
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public static function MediaKutrl($attr)
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{
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return self::genericKutrl('$_ctx->file_url',$attr);
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}
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public static function EntryAuthorKutrlIf($attr,$content)
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{
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return self::genericKutrlIf('$_ctx->posts->user_url',$attr,$content);
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}
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public static function EntryAuthorKutrl($attr)
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{
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return self::genericKutrl('$_ctx->posts->user_url',$attr);
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}
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public static function EntryKutrlIf($attr,$content)
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{
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return self::genericKutrlIf('$_ctx->posts->getURL()',$attr,$content);
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}
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public static function EntryKutrl($attr)
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{
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return self::genericKutrl('$_ctx->posts->getURL()',$attr);
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}
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public static function CommentAuthorKutrlIf($attr,$content)
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{
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return self::genericKutrlIf('$_ctx->comments->getAuthorURL()',$attr,$content);
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}
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public static function CommentAuthorKutrl($attr)
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{
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return self::genericKutrl('$_ctx->comments->getAuthorURL()',$attr);
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}
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public static function CommentPostKutrlIf($attr,$content)
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{
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return self::genericKutrlIf('$_ctx->comments->getPostURL()',$attr,$content);
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}
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public static function CommentPostKutrl($attr)
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{
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return self::genericKutrl('$_ctx->comments->getPostURL()',$attr);
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}
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protected static function genericKutrlIf($str,$attr,$content)
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{
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$operator = isset($attr['operator']) ? self::getOperator($attr['operator']) : '&&';
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if (isset($attr['is_active']))
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{
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$sign = (boolean) $attr['is_active'] ? '' : '!';
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$if[] = $sign.'$_ctx->exists("kutrl")';
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}
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if (isset($attr['passive_mode']))
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{
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$sign = (boolean) $attr['passive_mode'] ? '' : '!';
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$if[] = $sign.'$_ctx->kutrl_passive';
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}
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if (isset($attr['has_kutrl']))
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{
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$sign = (boolean) $attr['has_kutrl'] ? '!' : '=';
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$if[] = '($_ctx->exists("kutrl") && false '.$sign.'== $_ctx->kutrl->select('.$str.',null,null,"kutrl"))';
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}
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if (empty($if))
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|
{
|
|
return $content;
|
|
}
|
|
return
|
|
"<?php if(".implode(' '.$operator.' ',$if).") : ?>\n".
|
|
$content.
|
|
"<?php endif; ?>\n";
|
|
}
|
|
|
|
protected static function genericKutrl($str,$attr)
|
|
{
|
|
$f = $GLOBALS['core']->tpl->getFilters($attr);
|
|
return
|
|
"<?php \n".
|
|
# Preview
|
|
"if (\$_ctx->preview) { \n".
|
|
" echo ".sprintf($f,$str)."; ".
|
|
"} else { \n".
|
|
# Disable
|
|
"if (!\$_ctx->exists('kutrl')) { \n".
|
|
# Passive mode
|
|
" if (\$_ctx->kutrl_passive) { ".
|
|
" echo ".sprintf($f,$str)."; ".
|
|
" } \n".
|
|
"} else { \n".
|
|
# Existing
|
|
" if (false !== (\$kutrl_rs = \$_ctx->kutrl->isKnowUrl(".$str."))) { ".
|
|
" echo ".sprintf($f,'$_ctx->kutrl->url_base.$kutrl_rs->hash')."; ".
|
|
" } \n".
|
|
# New
|
|
" elseif (false !== (\$kutrl_rs = \$_ctx->kutrl->hash(".$str."))) { ".
|
|
" echo ".sprintf($f,'$_ctx->kutrl->url_base.$kutrl_rs->hash')."; ".
|
|
|
|
# ex: Send new url to messengers
|
|
" if (!empty(\$kutrl_rs)) { ".
|
|
" \$core->callBehavior('publicAfterKutrlCreate',\$core,\$kutrl_rs,__('New public short URL')); ".
|
|
" } \n".
|
|
|
|
" } \n".
|
|
" unset(\$kutrl_rs); \n".
|
|
"} \n".
|
|
"} \n".
|
|
"?>\n";
|
|
}
|
|
|
|
protected static function getOperator($op)
|
|
{
|
|
switch (strtolower($op))
|
|
{
|
|
case 'or':
|
|
case '||':
|
|
return '||';
|
|
case 'and':
|
|
case '&&':
|
|
default:
|
|
return '&&';
|
|
}
|
|
}
|
|
}
|
|
|
|
class hmfKutrl
|
|
{
|
|
public static $chars = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
|
|
|
|
public static function create($len=6)
|
|
{
|
|
$res = '';
|
|
$chars = self::$chars;
|
|
|
|
for($i = 0;$i < $len; $i++)
|
|
{
|
|
$res .= $chars[rand(0,strlen($chars)-1)];
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
public static function protect($str)
|
|
{
|
|
$res = '';
|
|
$chars = self::$chars;
|
|
|
|
for($i = 0; $i < strlen($str);$i++)
|
|
{
|
|
$res .= $chars[rand(0,strlen($chars)-1)].$str[$i];
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
public static function unprotect($str)
|
|
{
|
|
$res = '';
|
|
|
|
for($i = 0; $i < strlen($str);$i++)
|
|
{
|
|
$i++;
|
|
$res .= $str[$i];
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
}
|
|
?>
|