diff options
Diffstat (limited to 'wp-admin/import/wordpress.php')
| -rw-r--r-- | wp-admin/import/wordpress.php | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/wp-admin/import/wordpress.php b/wp-admin/import/wordpress.php new file mode 100644 index 0000000..997628b --- /dev/null +++ b/wp-admin/import/wordpress.php @@ -0,0 +1,288 @@ +<?php
+
+class WP_Import {
+
+ var $posts = array ();
+ var $file;
+ var $id;
+ var $mtnames = array ();
+ var $newauthornames = array ();
+ var $j = -1;
+
+ function header() {
+ echo '<div class="wrap">';
+ echo '<h2>'.__('Import WordPress').'</h2>';
+ }
+
+ function footer() {
+ echo '</div>';
+ }
+
+ function unhtmlentities($string) { // From php.net for < 4.3 compat
+ $trans_tbl = get_html_translation_table(HTML_ENTITIES);
+ $trans_tbl = array_flip($trans_tbl);
+ return strtr($string, $trans_tbl);
+ }
+
+ function greet() {
+ echo '<p>'.__('Howdy! Upload your WordPress eXtended RSS (WXR) file and we’ll import the posts and comments into this blog.').'</p>';
+ wp_import_upload_form("admin.php?import=wordpress&step=1");
+ }
+
+ function get_tag( $string, $tag ) {
+ preg_match("|<$tag.*?>(.*?)</$tag>|is", $string, $return);
+ $return = addslashes( trim( $return[1] ) );
+ return $return;
+ }
+
+ function users_form($n) {
+ global $wpdb, $testing;
+ $users = get_users_of_blog($wpdb->blogid);
+?><select name="userselect[<?php echo $n; ?>]">
+ <option value="#NONE#">- Select -</option>
+ <?php
+ foreach ($users as $user) {
+ echo '<option value="'.$user->user_login.'">'.$user->user_login.'</option>';
+ }
+?>
+ </select>
+ <?php
+ }
+
+ //function to check the authorname and do the mapping
+ function checkauthor($author) {
+ global $wpdb;
+ //mtnames is an array with the names in the mt import file
+ $pass = 'changeme';
+ $key = array_search($author, $this->mtnames); //find the array key for $author in the $mtnames array
+ $user_id = username_exists($this->newauthornames[$key]); //use that key to get the value of the author's name from $newauthornames
+
+ return $user_id;
+ }
+
+ function get_entries() {
+ set_magic_quotes_runtime(0);
+ $importdata = file($this->file); // Read the file into an array
+ $importdata = implode('', $importdata); // squish it
+ $importdata = preg_replace("/(\r\n|\n|\r)/", "\n", $importdata);
+ preg_match_all('|<item>(.*?)</item>|is', $importdata, $this->posts);
+ $this->posts = $this->posts[1];
+ }
+
+ function get_wp_authors() {
+ $temp = array ();
+ $i = -1;
+ foreach ($this->posts as $post) {
+ if ('' != trim($post)) {
+ ++ $i;
+ $author = $this->get_tag( $post, 'dc:creator' );
+ array_push($temp, "$author"); //store the extracted author names in a temporary array
+ }
+ }
+
+ // We need to find unique values of author names, while preserving the order, so this function emulates the unique_value(); php function, without the sorting.
+ $authors[0] = array_shift($temp);
+ $y = count($temp) + 1;
+ for ($x = 1; $x < $y; $x ++) {
+ $next = array_shift($temp);
+ if (!(in_array($next, $authors)))
+ array_push($authors, "$next");
+ }
+
+ return $authors;
+ }
+
+ function get_authors_from_post() {
+ $formnames = array ();
+ $selectnames = array ();
+
+ foreach ($_POST['userselect'] as $user => $key) {
+ $selected = trim(stripslashes($key));
+ array_push($selectnames, "$selected");
+ }
+
+ $count = count($formnames);
+ for ($i = 0; $i < $count; $i ++) {
+ if ($selectnames[$i] != '#NONE#') { //if no name was selected from the select menu, use the name entered in the form
+ array_push($this->newauthornames, "$selectnames[$i]");
+ } else {
+ array_push($this->newauthornames, "$formnames[$i]");
+ }
+ }
+ }
+
+ function wp_authors_form() {
+?>
+<h2><?php _e('Assign Authors'); ?></h2>
+<p><?php _e('To make it easier for you to edit and save the imported posts and drafts, you may want to change the name of the author of the posts. For example, you may want to import all the entries as <code>admin</code>s entries.'); ?></p>
+<p><?php _e('If a new user is created by WordPress, the password will be set, by default, to "changeme". Quite suggestive, eh? ;)'); ?></p>
+ <?php
+
+
+ $authors = $this->get_wp_authors();
+ echo '<ol id="authors">';
+ echo '<form action="?import=wordpress&step=2&id=' . $this->id . '" method="post">';
+ $j = -1;
+ foreach ($authors as $author) {
+ ++ $j;
+ echo '<li>Current author: <strong>'.$author.'</strong><br />'.'Map to existing: ';
+ $this->users_form($j);
+ echo '</li>';
+ }
+
+ echo '<input type="submit" value="Submit">'.'<br/>';
+ echo '</form>';
+ echo '</ol>';
+
+ }
+
+ function select_authors() {
+ $file = wp_import_handle_upload();
+ if ( isset($file['error']) ) {
+ $this->header();
+ echo '<p>Sorry, there has been an error.</p>';
+ echo '<p><strong>' . $file['error'] . '</strong></p>';
+ $this->footer();
+ return;
+ }
+ $this->file = $file['file'];
+ $this->id = $file['id'];
+
+ $this->get_entries();
+ $this->wp_authors_form();
+ }
+
+ function process_posts() {
+ global $wpdb;
+ $i = -1;
+ echo '<ol>';
+ foreach ($this->posts as $post) {
+
+ // There are only ever one of these
+ $post_title = $this->get_tag( $post, 'title' );
+ $post_date = $this->get_tag( $post, 'wp:post_date' );
+ $post_date_gmt = $this->get_tag( $post, 'wp:post_date_gmt' );
+ $comment_status = $this->get_tag( $post, 'wp:comment_status' );
+ $ping_status = $this->get_tag( $post, 'wp:ping_status' );
+ $post_status = $this->get_tag( $post, 'wp:status' );
+ $post_parent = $this->get_tag( $post, 'wp:post_parent' );
+ $post_type = $this->get_tag( $post, 'wp:post_type' );
+ $guid = $this->get_tag( $post, 'guid' );
+ $post_author = $this->get_tag( $post, 'dc:creator' );
+
+ $post_content = $this->get_tag( $post, 'content:encoded' );
+ $post_content = str_replace(array ('<![CDATA[', ']]>'), '', $post_content);
+ $post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content);
+ $post_content = str_replace('<br>', '<br />', $post_content);
+ $post_content = str_replace('<hr>', '<hr />', $post_content);
+
+ preg_match_all('|<category>(.*?)</category>|is', $post, $categories);
+ $categories = $categories[1];
+
+ $cat_index = 0;
+ foreach ($categories as $category) {
+ $categories[$cat_index] = $wpdb->escape($this->unhtmlentities($category));
+ $cat_index++;
+ }
+
+ if ($post_id = post_exists($post_title, '', $post_date)) {
+ echo '<li>';
+ printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title));
+ } else {
+ echo '<li>';
+ printf(__('Importing post <i>%s</i>...'), stripslashes($post_title));
+
+ $post_author = $this->checkauthor($post_author); //just so that if a post already exists, new users are not created by checkauthor
+
+ $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_modified', 'post_modified_gmt', 'guid', 'post_parent', 'post_type');
+ $comment_post_ID = $post_id = wp_insert_post($postdata);
+ // Add categories.
+ if (0 != count($categories)) {
+ wp_create_categories($categories, $post_id);
+ }
+ }
+
+ // Now for comments
+ preg_match_all('|<wp:comment>(.*?)</wp:comment>|is', $post, $comments);
+ $comments = $comments[1];
+ $num_comments = 0;
+ if ( $comments) { foreach ($comments as $comment) {
+ $comment_author = $this->get_tag( $comment, 'wp:comment_author');
+ $comment_author_email = $this->get_tag( $comment, 'wp:comment_author_email');
+ $comment_author_IP = $this->get_tag( $comment, 'wp:comment_author_IP');
+ $comment_author_url = $this->get_tag( $comment, 'wp:comment_author_url');
+ $comment_date = $this->get_tag( $comment, 'wp:comment_date');
+ $comment_date_gmt = $this->get_tag( $comment, 'wp:comment_date_gmt');
+ $comment_content = $this->get_tag( $comment, 'wp:comment_content');
+ $comment_approved = $this->get_tag( $comment, 'wp:comment_approved');
+ $comment_type = $this->get_tag( $comment, 'wp:comment_type');
+ $comment_parent = $this->get_tag( $comment, 'wp:comment_parent');
+
+ if ( !comment_exists($comment_author, $comment_date) ) {
+ $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_approved', 'comment_type', 'comment_parent');
+ wp_insert_comment($commentdata);
+ $num_comments++;
+ }
+ } }
+ if ( $num_comments )
+ printf(__(' (%s comments)'), $num_comments);
+
+ // Now for post meta
+ preg_match_all('|<wp:postmeta>(.*?)</wp:postmeta>|is', $post, $postmeta);
+ $postmeta = $postmeta[1];
+ if ( $postmeta) { foreach ($postmeta as $p) {
+ $key = $this->get_tag( $p, 'wp:meta_key' );
+ $value = $this->get_tag( $p, 'wp:meta_value' );
+ add_post_meta( $post_id, $key, $value );
+ } }
+
+ $index++;
+ }
+
+ echo '</ol>';
+
+ wp_import_cleanup($this->id);
+
+ echo '<h3>'.sprintf(__('All done. <a href="%s">Have fun!</a>'), get_option('home')).'</h3>';
+ }
+
+ function import() {
+ $this->id = (int) $_GET['id'];
+
+ $this->file = get_attached_file($this->id);
+ $this->get_authors_from_post();
+ $this->get_entries();
+ $this->process_posts();
+ }
+
+ function dispatch() {
+ if (empty ($_GET['step']))
+ $step = 0;
+ else
+ $step = (int) $_GET['step'];
+
+ $this->header();
+ switch ($step) {
+ case 0 :
+ $this->greet();
+ break;
+ case 1 :
+ $this->select_authors();
+ break;
+ case 2:
+ $this->import();
+ break;
+ }
+ $this->footer();
+ }
+
+ function WP_Import() {
+ // Nothing.
+ }
+}
+
+$wp_import = new WP_Import();
+
+register_importer('wordpress', 'WordPress', __('Import posts from a WordPress export file'), array ($wp_import, 'dispatch'));
+
+?>
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