New import system. Very rough draft.
git-svn-id: https://develop.svn.wordpress.org/trunk@2800 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
parent
91c19c4060
commit
dfadec884f
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@ -1382,4 +1382,16 @@ function documentation_link( $for ) {
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return;
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}
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function register_importer($id, $name, $description, $callback) {
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global $wp_importers;
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$wp_importers[$id] = array($name, $description, $callback);
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}
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function get_importers() {
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global $wp_importers;
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return $wp_importers;
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}
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?>
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@ -63,7 +63,33 @@ if (isset($_GET['page'])) {
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include(ABSPATH . 'wp-admin/admin-footer.php');
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exit();
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} else if (isset($_GET['import'])) {
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$importer = $_GET['import'];
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if ( validate_file($importer) ) {
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die(__('Invalid importer.'));
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}
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if (! file_exists(ABSPATH . "wp-admin/import/$importer.php"))
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die(__('Cannot load importer.'));
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include(ABSPATH . "wp-admin/import/$importer.php");
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$parent_file = 'import.php';
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$title = __('Import');
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if (! isset($_GET['noheader']))
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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require_once(ABSPATH . 'wp-admin/upgrade-functions.php');
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call_user_func($wp_importers[$importer][2]);
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include(ABSPATH . 'wp-admin/admin-footer.php');
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exit();
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}
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?>
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?>
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@ -0,0 +1,62 @@
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<?php
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require_once ('admin.php');
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$title = __('Import');
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$parent_file = 'import.php';
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require_once ('admin-header.php');
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?>
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<div class="wrap">
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<h2><?php _e('Import'); ?></h2>
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<p><?php _e('If you have posts or comments in another system WordPress can import them into your current blog. To get started, choose a system to import from below:'); ?></p>
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<?php
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// Load all importers so that they can register.
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$import_loc = 'wp-admin/import';
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$import_root = ABSPATH.$import_loc;
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$imports_dir = @ dir($import_root);
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if ($imports_dir) {
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while (($file = $imports_dir->read()) !== false) {
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if (preg_match('|^\.+$|', $file))
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continue;
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if (preg_match('|\.php$|', $file))
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require_once("$import_root/$file");
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}
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}
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$importers = get_importers();
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if (empty ($importers)) {
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_e("<p>No importers are available.</p>"); // TODO: make more helpful
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} else {
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?>
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<table width="100%" cellpadding="3" cellspacing="3">
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<?php
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$style = '';
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foreach ($importers as $id => $data) {
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$style = ('class="alternate"' == $style || 'class="alternate active"' == $style) ? '' : 'alternate';
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$action = "<a href='admin.php?import=$id' title='{$data[1]}'>{$data[0]}</a>";
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if ($style != '')
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$style = 'class="'.$style.'"';
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echo "
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<tr $style>
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<td class=\"togl\">$action</td>
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<td class=\"desc\">{$data[1]}</td>
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</tr>";
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}
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?>
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</table>
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<?php
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}
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?>
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</div>
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<?php
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include ('admin-footer.php');
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?>
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@ -0,0 +1,4 @@
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<?php
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register_importer('greymatter', 'GreyMatter', 'Import posts from your Greymatter blog', array($greymatter_import, 'dispatch'));
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?>
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@ -0,0 +1,72 @@
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<?php
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class MT_Import {
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var $authors = array();
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var $posts = array();
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function header() {
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echo '<div class="wrap">';
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echo '<h2>' . __('Import Movable Type') . '</h2>';
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}
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function footer() {
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echo '</div>';
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}
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function greet() {
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$this->header();
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?>
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<p>Howdy! We’re about to begin the process to import all of your Movable Type entries into WordPress. Before we get started, you need to edit this file (<code>import/mt.php</code>) and change one line so we know where to find your MT export file. To make this easy put the import file into the <code>wp-admin/import</code> directory. Look for the line that says:</p>
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<p><code>define('MTEXPORT', '');</code></p>
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<p>and change it to</p>
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<p><code>define('MTEXPORT', 'import.txt');</code></p>
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<p>You have to do this manually for security reasons.</p>
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<p>If you've done that and you’re all ready, <a href="<?php echo add_query_arg('step', 1) ?>">let's go</a>! Remember that the import process may take a minute or so if you have a large number of entries and comments. Think of all the rebuilding time you'll be saving once it's done. :)</p>
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<p>The importer is smart enough not to import duplicates, so you can run this multiple times without worry if—for whatever reason—it doesn't finish. If you get an <strong>out of memory</strong> error try splitting up the import file into pieces. </p>
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<?php
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$this->footer();
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}
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function get_entries() {
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set_magic_quotes_runtime(0);
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$importdata = file(MTEXPORT); // Read the file into an array
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$importdata = implode('', $importdata); // squish it
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$importdata = preg_replace("/(\r\n|\n|\r)/", "\n", $importdata);
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$importdata = preg_replace("/\n--------\n/", "--MT-ENTRY--\n", $importdata);
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$this->posts = explode("--MT-ENTRY--", $importdata);
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}
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function import() {
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if ('' != MTEXPORT && !file_exists(MTEXPORT)) die("The file you specified does not seem to exist. Please check the path you've given.");
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if ('' == MTEXPORT) die("You must edit the MTEXPORT line as described on the <a href='import-mt.php'>previous page</a> to continue.");
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$this->get_entries();
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}
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function dispatch() {
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if (empty($_GET['step']))
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$step = 0;
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else
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$step = (int) $_GET['step'];
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switch ($step) {
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case 0:
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$this->greet();
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break;
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case 1:
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$this->import();
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break;
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}
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}
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function MT_Import() {
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// Nothing.
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}
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}
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$mt_import = new MT_Import();
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register_importer('mt', 'Movable Type', 'Import posts and comments from your Movable Type blog', array($mt_import, 'dispatch'));
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?>
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@ -0,0 +1,186 @@
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<?php
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class RSS_Import {
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var $authors = array ();
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var $posts = array ();
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function header() {
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echo '<div class="wrap">';
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echo '<h2>'.__('Import RSS').'</h2>';
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}
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function footer() {
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echo '</div>';
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}
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function greet() {
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$this->header();
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?>
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<p>Howdy! This importer allows you to extract posts from any RSS 2.0 file into your blog. This is useful if you want to import your posts from a system that is not handled by a custom import tool. To get started you must edit the following line in this file (<code>import/rss.php</code>) </p>
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<p><code>define('RSSFILE', '');</code></p>
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<p>You want to define where the RSS file we'll be working with is, for example: </p>
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<p><code>define('RSSFILE', 'rss.xml');</code></p>
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<p>You have to do this manually for security reasons. When you're done reload this page and we'll take you to the next step.</p>
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<?php if ('' != RSSFILE) : ?>
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<a href="admin.php?import=rss&step=1">Begin RSS Import »</a>
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<?php
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endif;
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$this->footer();
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}
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function get_posts() {
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set_magic_quotes_runtime(0);
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$datalines = file(RSSFILE); // Read the file into an array
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$importdata = implode('', $datalines); // squish it
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$importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
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preg_match_all('|<item>(.*?)</item>|is', $importdata, $posts);
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$this->posts = $posts[1];
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}
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function import_posts() {
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echo '<ol>';
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foreach ($this->posts as $post)
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: $title = $date = $categories = $content = $post_id = '';
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echo "<li>Importing post... ";
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preg_match('|<title>(.*?)</title>|is', $post, $title);
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$title = $wpdb->escape(trim($title[1]));
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$post_name = sanitize_title($title);
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preg_match('|<pubdate>(.*?)</pubdate>|is', $post, $date);
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if ($date)
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: $date = strtotime($date[1]);
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else
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: // if we don't already have something from pubDate
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preg_match('|<dc:date>(.*?)</dc:date>|is', $post, $date);
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$date = preg_replace('|([-+])([0-9]+):([0-9]+)$|', '\1\2\3', $date[1]);
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$date = str_replace('T', ' ', $date);
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$date = strtotime($date);
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endif;
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$post_date = gmdate('Y-m-d H:i:s', $date);
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preg_match_all('|<category>(.*?)</category>|is', $post, $categories);
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$categories = $categories[1];
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if (!$categories)
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: preg_match_all('|<dc:subject>(.*?)</dc:subject>|is', $post, $categories);
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$categories = $categories[1];
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endif;
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preg_match('|<guid.+?>(.*?)</guid>|is', $post, $guid);
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if ($guid)
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$guid = $wpdb->escape(trim($guid[1]));
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else
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$guid = '';
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preg_match('|<content:encoded>(.*?)</content:encoded>|is', $post, $content);
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$content = str_replace(array ('<![CDATA[', ']]>'), '', $wpdb->escape(trim($content[1])));
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if (!$content)
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: // This is for feeds that put content in description
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preg_match('|<description>(.*?)</description>|is', $post, $content);
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$content = $wpdb->escape(unhtmlentities(trim($content[1])));
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endif;
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// Clean up content
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$content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $content);
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$content = str_replace('<br>', '<br />', $content);
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$content = str_replace('<hr>', '<hr />', $content);
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// This can mess up on posts with no titles, but checking content is much slower
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// So we do it as a last resort
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if ('' == $title)
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: $dupe = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_content = '$content' AND post_date = '$post_date'");
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else
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: $dupe = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' AND post_date = '$post_date'");
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endif;
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// Now lets put it in the DB
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if ($dupe)
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: echo 'Post already imported';
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else
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: $wpdb->query("INSERT INTO $wpdb->posts
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(post_author, post_date, post_date_gmt, post_content, post_title,post_status, comment_status, ping_status, post_name, guid)
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VALUES
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('$post_author', '$post_date', DATE_ADD('$post_date', INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE), '$content', '$title', 'publish', '$comment_status', '$ping_status', '$post_name', '$guid')");
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$post_id = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' AND post_date = '$post_date'");
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if (!$post_id)
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die("couldn't get post ID");
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if (0 != count($categories))
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: foreach ($categories as $post_category)
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: $post_category = unhtmlentities($post_category);
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// See if the category exists yet
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$cat_id = $wpdb->get_var("SELECT cat_ID from $wpdb->categories WHERE cat_name = '$post_category'");
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if (!$cat_id && '' != trim($post_category)) {
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$cat_nicename = sanitize_title($post_category);
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$wpdb->query("INSERT INTO $wpdb->categories (cat_name, category_nicename) VALUES ('$post_category', '$cat_nicename')");
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$cat_id = $wpdb->get_var("SELECT cat_ID from $wpdb->categories WHERE cat_name = '$post_category'");
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}
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if ('' == trim($post_category))
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$cat_id = 1;
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// Double check it's not there already
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$exists = $wpdb->get_row("SELECT * FROM $wpdb->post2cat WHERE post_id = $post_id AND category_id = $cat_id");
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if (!$exists) {
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$wpdb->query("
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INSERT INTO $wpdb->post2cat
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(post_id, category_id)
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VALUES
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($post_id, $cat_id)
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");
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}
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endforeach;
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else
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: $exists = $wpdb->get_row("SELECT * FROM $wpdb->post2cat WHERE post_id = $post_id AND category_id = 1");
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if (!$exists)
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$wpdb->query("INSERT INTO $wpdb->post2cat (post_id, category_id) VALUES ($post_id, 1) ");
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endif;
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echo 'Done!</li>';
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endif;
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endforeach;
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echo '</ol>';
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}
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function import() {
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// FIXME: Don't die.
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if ('' != RSSFILE && !file_exists(RSSFILE)) die("The file you specified does not seem to exist. Please check the path you've given.");
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if ('' == RSSFILE) die("You must edit the RSSFILE line as described on the <a href='import-mt.php'>previous page</a> to continue.");
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$this->get_posts();
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$this->import_posts();
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echo '<h3>All done. <a href="../">Have fun!</a></h3>';
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}
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function dispatch() {
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if (empty($_GET['step']))
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$step = 0;
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else
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$step = (int) $_GET['step'];
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switch ($step) {
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case 0:
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$this->greet();
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break;
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case 1:
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$this->import();
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break;
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}
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}
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function RSS_Import() {
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// Nothing.
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}
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}
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$rss_import = new RSS_Import();
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register_importer('rss', 'RSS', 'Import posts from and RSS feed', array($rss_import, 'dispatch'));
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?>
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@ -0,0 +1,4 @@
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<?php
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register_importer('textpattern', 'Textpattern', 'Import posts from your Textpattern blog', array($textpattern_import, 'dispatch'));
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?>
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@ -15,9 +15,10 @@ if ( current_user_can('edit_users') )
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else
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$menu[35] = array(__('Profile'), 'read', 'profile.php');
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$menu[40] = array(__('Options'), 'read', 'options-personal.php');
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$menu[45] = array(__('Import'), 'import', 'import.php');
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if ( get_option('use_fileupload') )
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$menu[45] = array(__('Upload'), 'upload_files', 'upload.php');
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$menu[50] = array(__('Upload'), 'upload_files', 'upload.php');
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$submenu['post.php'][5] = array(__('Write Post'), 'edit_posts', 'post.php');
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$submenu['post.php'][10] = array(__('Write Page'), 'edit_pages', 'page-new.php');
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@ -256,6 +256,7 @@ function populate_roles() {
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'edit_plugins' => true,
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'edit_users' => true,
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'edit_files' => true,
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'import' => true,
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'read' => true,
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'level_10' => true,
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'level_9' => true,
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@ -118,7 +118,7 @@ require (ABSPATH . WPINC . '/links.php');
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require (ABSPATH . WPINC . '/kses.php');
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require (ABSPATH . WPINC . '/version.php');
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if (!strstr($_SERVER['PHP_SELF'], 'install.php') && !strstr($_SERVER['PHP_SELF'], 'wp-admin/import')) :
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if (!strstr($_SERVER['PHP_SELF'], 'install.php')) :
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// Used to guarantee unique hash cookies
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$cookiehash = md5(get_settings('siteurl')); // Remove in 1.4
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define('COOKIEHASH', $cookiehash);
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