Merge with WP 2.3 - testing use only!

Move pluggable functions out of wpmu-functions and into pluggable.php, fixes #439


git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@1069 7be80a69-a1ef-0310-a953-fb0f7c49ff36

1 files changed, 231 insertions, 229 deletions

diff --git a/wp-admin/import/mt.php b/wp-admin/import/mt.php
index cd60654..44bdd61 100644
--- a/wp-admin/import/mt.php
+++ b/wp-admin/import/mt.php
@@ -22,7 +22,7 @@ class MT_Import {
 		$this->header();
 ?>
 <div class="narrow">
-<p><?php _e('Howdy! We&#8217;re about to begin importing all of your Movable Type or Typepad entries into WordPress. To begin, choose a file to upload and click Upload file and import.'); ?></p>
+<p><?php _e('Howdy! We&#8217;re about to begin importing all of your Movable Type or Typepad entries into WordPress. To begin, either choose a file to upload and click "Upload file and import," or use FTP to upload your MT export file as <code>mt-export.txt</code> in your <code>/wp-content/</code> directory and then click "Import mt-export.txt"'); ?></p>
 <?php wp_import_upload_form( add_query_arg('step', 1) ); ?>
 	<p><?php _e('The importer is smart enough not to import duplicates, so you can run this multiple times without worry if&#8212;for whatever reason&#8212;it doesn\'t finish. If you get an <strong>out of memory</strong> error try splitting up the import file into pieces.'); ?> </p>
 </div>
@@ -58,25 +58,27 @@ class MT_Import {
 		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);
-		$importdata = preg_replace("/\n--------\n/", "--MT-ENTRY--\n", $importdata);
-		$this->posts = explode("--MT-ENTRY--", $importdata);
-	}
-
 	function get_mt_authors() {
-		$temp = array ();
-		$i = -1;
-		foreach ($this->posts as $post) {
-			if ('' != trim($post)) {
-				++ $i;
-				preg_match("|AUTHOR:(.*)|", $post, $thematch);
-				$thematch = trim($thematch[1]);
-				array_push($temp, "$thematch"); //store the extracted author names in a temporary array
-			}
+		$temp = array();
+		$authors = array();
+
+		$handle = fopen($this->file, 'r');
+		if ( $handle == null )
+			return false;
+
+		$in_comment = false;
+		while ( $line = fgets($handle) ) {
+			$line = trim($line);
+
+			if ( 'COMMENT:' == $line )
+				$in_comment = true;
+			else if ( '-----' == $line )
+				$in_comment = false;
+
+			if ( $in_comment || 0 !== strpos($line,"AUTHOR:") )
+				continue;
+
+			$temp[] = trim( substr($line, strlen("AUTHOR:")) );
 		}
 
 		//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.
@@ -88,6 +90,8 @@ class MT_Import {
 				array_push($authors, "$next");
 		}
 
+		fclose($handle);
+
 		return $authors;
 	}
 
@@ -121,7 +125,7 @@ class MT_Import {
 ?>
 <div class="wrap">
 <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('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 admin\'s entries.'); ?></p>
 <p><?php _e('Below, you can see the names of the authors of the MovableType posts in <i>italics</i>. For each of these names, you can either pick an author in your WordPress installation from the menu, or enter a name for the author in the textbox.'); ?></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
@@ -139,7 +143,7 @@ class MT_Import {
 			echo '</li>';
 		}
 
-		echo '<input type="submit" value="'.__('Submit').'">'.'<br/>';
+		echo '<input type="submit" value="'.__('Submit').'">'.'<br />';
 		echo '</form>';
 		echo '</ol></div>';
 
@@ -157,226 +161,221 @@ class MT_Import {
 		$this->file = $file['file'];
 		$this->id = (int) $file['id'];
 
-		$this->get_entries();
 		$this->mt_authors_form();
 	}
 
+	function save_post(&$post, &$comments, &$pings) {
+		// Reset the counter
+		set_time_limit(30);
+		$post = get_object_vars($post);
+		$post = add_magic_quotes($post);
+		$post = (object) $post;
+
+		if ( $post_id = post_exists($post->post_title, '', $post->post_date) ) {
+			echo '<li>';
+			printf(__('Post <i>%s</i> already exists.'), stripslashes($post->post_title));
+		} else {
+			echo '<li>';
+			printf(__('Importing post <i>%s</i>...'), stripslashes($post->post_title));
+
+			if ( '' != trim( $post->extended ) )
+					$post->post_content .= "\n<!--more-->\n$post->extended";
+
+			$post->post_author = $this->checkauthor($post->post_author); //just so that if a post already exists, new users are not created by checkauthor
+			$post_id = wp_insert_post($post);
+			if ( is_wp_error( $post_id ) ) 
+				return $post_id;
+
+			// Add categories.
+			if ( 0 != count($post->categories) ) {
+				wp_create_categories($post->categories, $post_id);
+			}
+		}
+
+		$num_comments = 0;
+		foreach ( $comments as $comment ) {
+			$comment = get_object_vars($comment);
+			$comment = add_magic_quotes($comment);
+
+			if ( !comment_exists($comment['comment_author'], $comment['comment_date'])) {
+				$comment['comment_post_ID'] = $post_id;
+				$comment = wp_filter_comment($comment);
+				wp_insert_comment($comment);
+				$num_comments++;
+			}
+		}
+
+		if ( $num_comments )
+			printf(' '.__('(%s comments)'), $num_comments);
+
+		$num_pings = 0;
+		foreach ( $pings as $ping ) {
+			$ping = get_object_vars($ping);
+			$ping = add_magic_quotes($ping);
+
+			if ( !comment_exists($ping['comment_author'], $ping['comment_date'])) {
+				$ping['comment_content'] = "<strong>{$ping['title']}</strong>\n\n{$ping['comment_content']}";
+				$ping['comment_post_ID'] = $post_id;
+				$ping = wp_filter_comment($ping);
+				wp_insert_comment($ping);
+				$num_pings++;
+			}
+		}
+
+		if ( $num_pings )
+			printf(' '.__('(%s pings)'), $num_pings);
+
+		echo "</li>";
+		//ob_flush();flush();
+	}
+
 	function process_posts() {
 		global $wpdb;
-		$i = -1;
+
+		$handle = fopen($this->file, 'r');
+		if ( $handle == null )
+			return false;
+
+		$context = '';
+		$post = new StdClass();
+		$comment = new StdClass();
+		$comments = array();
+		$ping = new StdClass();
+		$pings = array();
+
 		echo "<div class='wrap'><ol>";
-		foreach ($this->posts as $post) {
-			if ('' != trim($post)) {
-				++ $i;
-				unset ($post_categories);
-
-				// Take the pings out first
-				preg_match("|(-----\n\nPING:.*)|s", $post, $pings);
-				$post = preg_replace("|(-----\n\nPING:.*)|s", '', $post);
-
-				// Then take the comments out
-				preg_match("|(-----\nCOMMENT:.*)|s", $post, $comments);
-				$post = preg_replace("|(-----\nCOMMENT:.*)|s", '', $post);
-
-				// We ignore the keywords
-				$post = preg_replace("|(-----\nKEYWORDS:.*)|s", '', $post);
-
-				// We want the excerpt
-				preg_match("|-----\nEXCERPT:(.*)|s", $post, $excerpt);
-				$post_excerpt = $wpdb->escape(trim($excerpt[1]));
-				$post = preg_replace("|(-----\nEXCERPT:.*)|s", '', $post);
-
-				// We're going to put extended body into main body with a more tag
-				preg_match("|-----\nEXTENDED BODY:(.*)|s", $post, $extended);
-				$extended = trim($extended[1]);
-				if ('' != $extended)
-					$extended = "\n<!--more-->\n$extended";
-				$post = preg_replace("|(-----\nEXTENDED BODY:.*)|s", '', $post);
-
-				// Now for the main body
-				preg_match("|-----\nBODY:(.*)|s", $post, $body);
-				$body = trim($body[1]);
-				$post_content = $wpdb->escape($body.$extended);
-				$post = preg_replace("|(-----\nBODY:.*)|s", '', $post);
-
-				// Grab the metadata from what's left
-				$metadata = explode("\n", $post);
-				foreach ($metadata as $line) {
-					preg_match("/^(.*?):(.*)/", $line, $token);
-					$key = trim($token[1]);
-					$value = trim($token[2]);
-					// Now we decide what it is and what to do with it
-					switch ($key) {
-						case '' :
-							break;
-						case 'AUTHOR' :
-							$post_author = $value;
-							break;
-						case 'TITLE' :
-							$post_title = $wpdb->escape($value);
-							break;
-						case 'STATUS' :
-							// "publish" and "draft" enumeration items match up; no change required
-							$post_status = $value;
-							if (empty ($post_status))
-								$post_status = 'publish';
-							break;
-						case 'ALLOW COMMENTS' :
-							$post_allow_comments = $value;
-							if ($post_allow_comments == 1) {
-								$comment_status = 'open';
-							} else {
-								$comment_status = 'closed';
-							}
-							break;
-						case 'CONVERT BREAKS' :
-							$post_convert_breaks = $value;
-							break;
-						case 'ALLOW PINGS' :
-							$ping_status = trim($meta[2][0]);
-							if ($ping_status == 1) {
-								$ping_status = 'open';
-							} else {
-								$ping_status = 'closed';
-							}
-							break;
-						case 'PRIMARY CATEGORY' :
-							if (! empty ($value) )
-								$post_categories[] = $wpdb->escape($value);
-							break;
-						case 'CATEGORY' :
-							if (! empty ($value) )
-								$post_categories[] = $wpdb->escape($value);
-							break;
-						case 'DATE' :
-							$post_modified = strtotime($value);
-							$post_modified = date('Y-m-d H:i:s', $post_modified);
-							$post_modified_gmt = get_gmt_from_date("$post_modified");
-							$post_date = $post_modified;
-							$post_date_gmt = $post_modified_gmt;
-							break;
-						default :
-							// echo "\n$key: $value";
-							break;
-					} // end switch
-				} // End foreach
-
-				// Let's check to see if it's in already
-				if ($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');
-					$post_id = wp_insert_post($postdata);
-					// Add categories.
-					if (0 != count($post_categories)) {
-						wp_create_categories($post_categories, $post_id);
-					}
-				}
 
-				$comment_post_ID = (int) $post_id;
-				$comment_approved = 1;
-
-				// Now for comments
-				$comments = explode("-----\nCOMMENT:", $comments[0]);
-				$num_comments = 0;
-				foreach ($comments as $comment) {
-					if ('' != trim($comment)) {
-						// Author
-						preg_match("|AUTHOR:(.*)|", $comment, $comment_author);
-						$comment_author = $wpdb->escape(trim($comment_author[1]));
-						$comment = preg_replace('|(\n?AUTHOR:.*)|', '', $comment);
-						preg_match("|EMAIL:(.*)|", $comment, $comment_author_email);
-						$comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
-						$comment = preg_replace('|(\n?EMAIL:.*)|', '', $comment);
-
-						preg_match("|IP:(.*)|", $comment, $comment_author_IP);
-						$comment_author_IP = trim($comment_author_IP[1]);
-						$comment = preg_replace('|(\n?IP:.*)|', '', $comment);
-
-						preg_match("|URL:(.*)|", $comment, $comment_author_url);
-						$comment_author_url = $wpdb->escape(trim($comment_author_url[1]));
-						$comment = preg_replace('|(\n?URL:.*)|', '', $comment);
-
-						preg_match("|DATE:(.*)|", $comment, $comment_date);
-						$comment_date = trim($comment_date[1]);
-						$comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
-						$comment = preg_replace('|(\n?DATE:.*)|', '', $comment);
-
-						$comment_content = $wpdb->escape(trim($comment));
-						$comment_content = str_replace('-----', '', $comment_content);
-						// Check if it's already there
-						if (!comment_exists($comment_author, $comment_date)) {
-							$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_content', 'comment_approved');
-							$commentdata = wp_filter_comment($commentdata);
-							wp_insert_comment($commentdata);
-							$num_comments++;
-						}
-					}
+		while ( $line = fgets($handle) ) {
+			$line = trim($line);
+
+			if ( '-----' == $line ) {
+				// Finishing a multi-line field
+				if ( 'comment' == $context ) {
+					$comments[] = $comment;
+					$comment = new StdClass();
+				} else if ( 'ping' == $context ) {
+					$pings[] = $ping;
+					$ping = new StdClass();
 				}
-				if ( $num_comments )
-					printf(' '.__('(%s comments)'), $num_comments);
-
-				// Finally the pings
-				// fix the double newline on the first one
-				$pings[0] = str_replace("-----\n\n", "-----\n", $pings[0]);
-				$pings = explode("-----\nPING:", $pings[0]);
-				$num_pings = 0;
-				foreach ($pings as $ping) {
-					if ('' != trim($ping)) {
-						// 'Author'
-						preg_match("|BLOG NAME:(.*)|", $ping, $comment_author);
-						$comment_author = $wpdb->escape(trim($comment_author[1]));
-						$ping = preg_replace('|(\n?BLOG NAME:.*)|', '', $ping);
-
-						preg_match("|IP:(.*)|", $ping, $comment_author_IP);
-						$comment_author_IP = trim($comment_author_IP[1]);
-						$ping = preg_replace('|(\n?IP:.*)|', '', $ping);
-
-						preg_match("|URL:(.*)|", $ping, $comment_author_url);
-						$comment_author_url = $wpdb->escape(trim($comment_author_url[1]));
-						$ping = preg_replace('|(\n?URL:.*)|', '', $ping);
-
-						preg_match("|DATE:(.*)|", $ping, $comment_date);
-						$comment_date = trim($comment_date[1]);
-						$comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
-						$ping = preg_replace('|(\n?DATE:.*)|', '', $ping);
-
-						preg_match("|TITLE:(.*)|", $ping, $ping_title);
-						$ping_title = $wpdb->escape(trim($ping_title[1]));
-						$ping = preg_replace('|(\n?TITLE:.*)|', '', $ping);
-
-						$comment_content = $wpdb->escape(trim($ping));
-						$comment_content = str_replace('-----', '', $comment_content);
-
-						$comment_content = "<strong>$ping_title</strong>\n\n$comment_content";
-
-						$comment_type = 'trackback';
-
-						// Check if it's already there
-						if (!comment_exists($comment_author, $comment_date)) {
-							$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_content', 'comment_type', 'comment_approved');
-							$commentdata = wp_filter_comment($commentdata);
-							wp_insert_comment($commentdata);
-							$num_pings++;
-						}
-					}
+				$context = '';
+			} else if ( '--------' == $line ) {
+				// Finishing a post.
+				$context = '';
+				$result = $this->save_post($post, $comments, $pings);
+				if ( is_wp_error( $result ) ) 
+					return $result;
+				$post = new StdClass;
+				$comment = new StdClass();
+				$ping = new StdClass();
+				$comments = array();
+				$pings = array();
+			} else if ( 'BODY:' == $line ) {
+				$context = 'body';
+			} else if ( 'EXTENDED BODY:' == $line ) {
+				$context = 'extended';
+			} else if ( 'EXCERPT:' == $line ) {
+				$context = 'excerpt';
+			} else if ( 'KEYWORDS:' == $line ) {
+				$context = 'keywords';
+			} else if ( 'COMMENT:' == $line ) {
+				$context = 'comment';
+			} else if ( 'PING:' == $line ) {
+				$context = 'ping';
+			} else if ( 0 === strpos($line, "AUTHOR:") ) {
+				$author = trim( substr($line, strlen("AUTHOR:")) );
+				if ( '' == $context )
+					$post->post_author = $author;
+				else if ( 'comment' == $context )
+					 $comment->comment_author = $author;
+			} else if ( 0 === strpos($line, "TITLE:") ) {
+				$title = trim( substr($line, strlen("TITLE:")) );
+				if ( '' == $context )
+					$post->post_title = $title;
+				else if ( 'ping' == $context )
+					$ping->title = $title;
+			} else if ( 0 === strpos($line, "STATUS:") ) {
+				$status = trim( substr($line, strlen("STATUS:")) );
+				if ( empty($status) )
+					$status = 'publish';
+				$post->post_status = $status;
+			} else if ( 0 === strpos($line, "ALLOW COMMENTS:") ) {
+				$allow = trim( substr($line, strlen("ALLOW COMMENTS:")) );
+				if ( $allow == 1 )
+					$post->comment_status = 'open';
+				else
+					$post->comment_status = 'closed';
+			} else if ( 0 === strpos($line, "ALLOW PINGS:") ) {
+				$allow = trim( substr($line, strlen("ALLOW PINGS:")) );
+				if ( $allow == 1 )
+					$post->ping_status = 'open';
+				else
+					$post->ping_status = 'closed';
+			} else if ( 0 === strpos($line, "CATEGORY:") ) {
+				$category = trim( substr($line, strlen("CATEGORY:")) );
+				if ( '' != $category )
+					$post->categories[] = $category;
+			} else if ( 0 === strpos($line, "PRIMARY CATEGORY:") ) {
+				$category = trim( substr($line, strlen("PRIMARY CATEGORY:")) );
+				if ( '' != $category )
+					$post->categories[] = $category;
+			} else if ( 0 === strpos($line, "DATE:") ) {
+				$date = trim( substr($line, strlen("DATE:")) );
+				$date = strtotime($date);
+				$date = date('Y-m-d H:i:s', $date);
+				$date_gmt = get_gmt_from_date($date);
+				if ( '' == $context ) {
+					$post->post_modified = $date;
+					$post->post_modified_gmt = $date_gmt;
+					$post->post_date = $date;
+					$post->post_date_gmt = $date_gmt;
+				} else if ( 'comment' == $context ) {
+					$comment->comment_date = $date;
+				} else if ( 'ping' == $context ) {
+					$ping->comment_date = $date;
+				}
+			} else if ( 0 === strpos($line, "EMAIL:") ) {
+				$email = trim( substr($line, strlen("EMAIL:")) );
+				if ( 'comment' == $context )
+					$comment->comment_author_email = $email;
+				else
+					$ping->comment_author_email = '';
+			} else if ( 0 === strpos($line, "IP:") ) {
+				$ip = trim( substr($line, strlen("IP:")) );
+				if ( 'comment' == $context )
+					$comment->comment_author_IP = $ip;
+				else
+					$ping->comment_author_IP = $ip;
+			} else if ( 0 === strpos($line, "URL:") ) {
+				$url = trim( substr($line, strlen("URL:")) );
+				if ( 'comment' == $context )
+					$comment->comment_author_url = $url;
+				else
+					$ping->comment_author_url = $url;
+			} else if ( 0 === strpos($line, "BLOG NAME:") ) {
+				$blog = trim( substr($line, strlen("BLOG NAME:")) );
+				$ping->comment_author = $blog;
+			} else {
+				// Processing multi-line field, check context.
+
+				$line .= "\n";
+				if ( 'body' == $context ) {
+					$post->post_content .= $line;
+				} else if ( 'extended' ==  $context ) {
+					$post->extended .= $line;
+				} else if ( 'excerpt' == $context ) {
+					$post->post_excerpt .= $line;
+				} else if ( 'comment' == $context ) {
+					$comment->comment_content .= $line;
+				} else if ( 'ping' == $context ) {
+					$ping->comment_content .= $line;
 				}
-				if ( $num_pings )
-					printf(' '.__('(%s pings)'), $num_pings);
-
-				echo "</li>";
 			}
 		}
 
 		echo '</ol>';
 
 		wp_import_cleanup($this->id);
+		do_action('import_done', 'mt');
 
 		echo '<h3>'.sprintf(__('All done. <a href="%s">Have fun!</a>'), get_option('home')).'</h3></div>';
 	}
@@ -386,8 +385,9 @@ class MT_Import {
 
 		$this->file = get_attached_file($this->id);
 		$this->get_authors_from_post();
-		$this->get_entries();
-		$this->process_posts();
+		$result = $this->process_posts();
+		if ( is_wp_error( $result ) ) 
+			return $result;
 	}
 
 	function dispatch() {
@@ -406,7 +406,9 @@ class MT_Import {
 				break;
 			case 2:
 				check_admin_referer('import-mt');
-				$this->import();
+				$result = $this->import();
+				if ( is_wp_error( $result ) )
+					echo $result->get_error_message();
 				break;
 		}
 	}