Initial import of the Wordpress plugin
This commit is contained in:
commit
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$/../wordpress_vdv/wp-content/plugins/owark">
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<sourceFolder url="file://$MODULE_DIR$/../wordpress_vdv/wp-content/plugins/owark" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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<?php
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/* Copyright 2011 Eric van der Vlist (vdv@dyomedea.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2, as
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published by the Free Software Foundation.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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Plugin Name: owark
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Plugin URI: http://owark.org
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Description: Tired of broken links? Archive yours with the Open Web Archive!
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Version: 0.1
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Author: Eric van der Vlist
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Author URI: http://eric.van-der-vlist.com
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License: GLP2
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*/
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if (!class_exists("Owark")) {
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class Owark {
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private $broken_links = array();
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private $post_id = -1;
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private $post_type = "";
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/**
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* Class constructor
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function Owark() {
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add_action('admin_menu', array($this, 'owark_admin_menu'));
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// See http://stackoverflow.com/questions/2210826/need-help-with-wp-rewrite-in-a-wordpress-plugin
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// Using a filter instead of an action to create the rewrite rules.
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// Write rules -> Add query vars -> Recalculate rewrite rules
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add_filter('rewrite_rules_array', array($this, 'create_rewrite_rules'));
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add_filter('query_vars',array($this, 'add_query_vars'));
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// Recalculates rewrite rules during admin init to save resources.
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// Could probably run it once as long as it isn't going to change or check the
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// $wp_rewrite rules to see if it's active.
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add_filter('admin_init', array($this, 'flush_rewrite_rules'));
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add_action( 'template_redirect', array($this, 'template_redirect_intercept') );
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add_filter ( 'the_content', array($this, 'content_filter'));
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add_filter ( 'comment_text', array($this, 'comment_filter'));
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add_filter ( 'get_comment_author_link', array($this, 'comment_filter'));
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}
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function owark_admin_menu() {
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add_management_page(__('The Open Web Archive', 'owark'), __('Web Archive', 'owark'), 'edit_others_posts', 'owark', array($this, 'management_page'));
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}
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/**
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* URL of an archive page
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function get_archive_url($archive_id) {
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return home_url().'/owark/'.$archive_id;
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}
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/**
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* Display the admin/tools page.
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function management_page() {
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//must check that the user has the required capability
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if (!current_user_can('edit_others_posts')) {
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wp_die( __('You do not have sufficient permissions to access this page.') );
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}
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global $wpdb;
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echo '<div class="wrap">';
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screen_icon();
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echo '<h2>Owark - The Open Web Archive</h2>';
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echo '<p><em>Tired of broken links? Archive yours with the Open Web Archive!</em></p>';
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echo "</div>";
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echo '<p>List of broken links with successfully archived pages:</p>';
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$query = "SELECT owark.id, owark.url, owark.status, owark.arc_date, owark.arc_location, blc_links.status_text
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FROM {$wpdb->prefix}perwac AS owark, {$wpdb->prefix}blc_links as blc_links
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WHERE owark.url = blc_links.final_url COLLATE latin1_swedish_ci and blc_links.broken = 1
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ORDER BY owark.url";
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$results = $wpdb->get_results($query);
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echo '<table class="widefat">';
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echo '<thead>';
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echo '<tr>';
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echo '<th>URL</th>';
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echo '<th>Archive</th>';
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echo '</tr>';
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echo '</thead>';
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echo '<tbody>';
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foreach ($results as $link) {
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$archive_url = $this->get_archive_url($link->id);
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echo "<tr>
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<td><a href=\"{$link->url}\" target='_blank'>{$link->url}</a></td>
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<td><a href=\"{$archive_url}\" target='_blank'>{$link->arc_date}</a></td>
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</tr>";
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}
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echo '</tbody>';
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echo '</table>';
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}
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/**
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* Add a rewrite rule to display archive pages
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function create_rewrite_rules($rules) {
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global $wp_rewrite;
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$newRule = array('owark/(.+)' => 'index.php?owark='.$wp_rewrite->preg_index(1));
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$newRules = $newRule + $rules;
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return $newRules;
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}
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/**
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* Add a query variable used to display archive pages
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function add_query_vars($qvars) {
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$qvars[] = 'owark';
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return $qvars;
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}
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/**
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* Title says it all ;) ...
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function flush_rewrite_rules() {
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global $wp_rewrite;
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$wp_rewrite->flush_rules();
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}
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/**
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* Intercepts archive pages.
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function template_redirect_intercept() {
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global $wp_query;
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if ($wp_query->get('owark')) {
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$this->display_archive($wp_query->get('owark'));
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exit;
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}
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}
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/**
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* Filter to replace broken links in comments.
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function content_filter($content) {
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global $post;
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return $this->link_filter($content, $post->ID, $post->post_type);
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}
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/**
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* Filter to replace broken links in comments.
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function comment_filter($content) {
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return $this->link_filter($content, get_comment_ID(), 'comment');
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}
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/**
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* Generic filter to replace broken links in content.
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function link_filter($content, $post_id, $post_type) {
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global $wpdb;
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// See if we haven't already loaded the broken links for this post...
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if ($this->post_id != $post_id || $this->post_type != $post_type) {
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$this->post_id = $post_id;
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$this->post_type = $post_type;
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//Retrieve info about all occurrences of broken links in the current post
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//which happens for comments (they have links to check in 2 different filters)
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$q = "
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SELECT instances.raw_url, owark.id
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FROM {$wpdb->prefix}blc_instances AS instances,
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{$wpdb->prefix}blc_links AS links,
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{$wpdb->prefix}perwac AS owark
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WHERE
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instances.link_id = links.link_id
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AND owark.url = links.final_url COLLATE latin1_swedish_ci
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AND instances.container_id = %s
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AND instances.container_type = %s
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AND links.broken = 1
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";
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$q = $wpdb->prepare($q, $this->post_id, $this->post_type);
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$results = $wpdb->get_results($q);
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$this->broken_links = array();
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foreach ($results as $link) {
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$this->broken_links[$link->raw_url] = $link->id;
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}
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}
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if (empty($this->broken_links)) {
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return $content;
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}
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// Regexp : see http://stackoverflow.com/questions/2609095/hooking-into-comment-text-to-add-surrounding-tag
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return preg_replace_callback('/(<a.*?href\s*=\s*["\'])([^"\'>]+)(["\'][^>]*>.*?<\/a>)/si', array( $this, 'replace_a_link'), $content);
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}
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/**
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* Replace a link.
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function replace_a_link($matches) {
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if (array_key_exists($matches[2], $this->broken_links)) {
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return $matches[1].$this->get_archive_url($this->broken_links[$matches[2]]).$matches[3];
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} else {
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return $matches[0];
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}
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}
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/**
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* Display an archive page
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*
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* @package owark
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* @since 0.1
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*
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*
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*/
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function display_archive($parameter) {
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global $wpdb;
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$id = intval($parameter);
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$query = "SELECT *
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from {$wpdb->prefix}perwac AS owark
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where id = {$id}";
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$link = $wpdb->get_row($query);
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$blog_title = get_bloginfo('name');
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$home_url = home_url();
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$loc = "";
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if( ($pos = strpos($link->arc_location, '/wp-content/perwac/')) !== FALSE )
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$loc = substr($link->arc_location, $pos);
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$arc_loc = home_url() . $loc;
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echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">';
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echo "<base href=\"{$arc_loc}/\">";
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echo '<div style="background:#fff;border:1px solid #999;margin:-1px -1px 0;padding:0;">';
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echo '<div style="background:#ddd;border:1px solid #999;color:#000;font:13px arial,sans-serif;font-weight:normal;margin:12px;padding:8px;text-align:left">';
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echo "This is an <a href='http://owark.org'>Open Web Archive</a> archive of <a href=\"{$link->url}\">{$link->url}</a>.";
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echo "<br />This snapshot has been taken on {$link->arc_date} for the website <a href=\"{$home_url}\">{$blog_title}</a> which contains a link to this page and has saved a copy to be displayed in the page ever disappears.";
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echo '</div></div><div style="position:relative">';
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$file_location = '.'.$loc.'/index.html';
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$f = fopen($file_location, "r");
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echo fread($f, filesize($file_location));
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fclose($f);
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echo '</div>';
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}
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}
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}
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if (class_exists("Owark")) {
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$owark = new Owark();
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}
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?>
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@ -0,0 +1,87 @@
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=== owark ===
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Contributors: evlist
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Donate link: http://eric.van-der-vlist.com/
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Tags: archives
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Requires at least: 3.1.3
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Tested up to: 3.1.3
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Stable tag: trunk
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Tired of broken links? Archive yours with the Open Web Archive!
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== Description ==
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== Installation ==
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This section describes how to install the plugin and get it working.
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e.g.
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1. Upload `plugin-name.php` to the `/wp-content/plugins/` directory
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1. Activate the plugin through the 'Plugins' menu in WordPress
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1. Place `<?php do_action('plugin_name_hook'); ?>` in your templates
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== Frequently Asked Questions ==
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= A question that someone might have =
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An answer to that question.
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= What about foo bar? =
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Answer to foo bar dilemma.
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== Screenshots ==
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1. This screen shot description corresponds to screenshot-1.(png|jpg|jpeg|gif). Note that the screenshot is taken from
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the directory of the stable readme.txt, so in this case, `/tags/4.3/screenshot-1.png` (or jpg, jpeg, gif)
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2. This is the second screen shot
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== Changelog ==
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= 1.0 =
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* A change since the previous version.
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* Another change.
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= 0.5 =
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* List versions from most recent at top to oldest at bottom.
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== Upgrade Notice ==
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= 1.0 =
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Upgrade notices describe the reason a user should upgrade. No more than 300 characters.
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= 0.5 =
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This version fixes a security related bug. Upgrade immediately.
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== Arbitrary section ==
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You may provide arbitrary sections, in the same format as the ones above. This may be of use for extremely complicated
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plugins where more information needs to be conveyed that doesn't fit into the categories of "description" or
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"installation." Arbitrary sections will be shown below the built-in sections outlined above.
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== A brief Markdown Example ==
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Ordered list:
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1. Some feature
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1. Another feature
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1. Something else about the plugin
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Unordered list:
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* something
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* something else
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* third thing
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Here's a link to [WordPress](http://wordpress.org/ "Your favorite software") and one to [Markdown's Syntax Documentation][markdown syntax].
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Titles are optional, naturally.
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[markdown syntax]: http://daringfireball.net/projects/markdown/syntax
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"Markdown is what the parser uses to process much of the readme file"
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Markdown uses email style notation for blockquotes and I've been told:
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> Asterisks for *emphasis*. Double it up for **strong**.
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`<?php code(); // goes in backticks ?>`
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