wp-admin/import/textpattern.php

   1 <?php
   2 /**
   3         Add These Functions to make our lives easier
   4 **/
   5
   6 if(!function_exists('get_comment_count'))
   7 {
   8         function get_comment_count($post_ID)
   9         {
  10                 global $wpdb;
  11                 return $wpdb->get_var('SELECT count(*) FROM '.$wpdb->comments.' WHERE comment_post_ID = '.$post_ID);
  12         }
  13 }
  14
  15 if(!function_exists('link_exists'))
  16 {
  17         function link_exists($linkname)
  18         {
  19                 global $wpdb;
  20                 return $wpdb->get_var('SELECT link_id FROM '.$wpdb->links.' WHERE link_name = "'.$wpdb->escape($linkname).'"');
  21         }
  22 }
  23
  24 /**
  25         The Main Importer Class
  26 **/
  27 class Textpattern_Import {
  28
  29         function header()
  30         {
  31                 echo '<div class="wrap">';
  32                 echo '<h2>'.__('Import Textpattern').'</h2>';
  33                 echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'</p>';
  34         }
  35
  36         function footer()
  37         {
  38                 echo '</div>';
  39         }
  40
  41         function greet() {
  42                 echo '<div class="narrow">';
  43                 echo '<p>'.__('Howdy! This imports categories, users, posts, comments, and links from any Textpattern 4.0.2+ into this blog.').'</p>';
  44                 echo '<p>'.__('This has not been tested on previous versions of Textpattern.  Mileage may vary.').'</p>';
  45                 echo '<p>'.__('Your Textpattern Configuration settings are as follows:').'</p>';
  46                 echo '<form action="admin.php?import=textpattern&amp;step=1" method="post">';
  47                 wp_nonce_field('import-textpattern');
  48                 $this->db_form();
  49                 echo '<p class="submit"><input type="submit" class="button" name="submit" value="'.attribute_escape(__('Import')).'" /></p>';
  50                 echo '</form>';
  51                 echo '</div>';
  52         }
  53
  54         function get_txp_cats()
  55         {
  56                 global $wpdb;
  57                 // General Housekeeping
  58                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  59                 set_magic_quotes_runtime(0);
  60                 $prefix = get_option('tpre');
  61
  62                 // Get Categories
  63                 return $txpdb->get_results('SELECT
  64                         id,
  65                         name,
  66                         title
  67                         FROM '.$prefix.'txp_category
  68                         WHERE type = "article"',
  69                         ARRAY_A);
  70         }
  71
  72         function get_txp_users()
  73         {
  74                 global $wpdb;
  75                 // General Housekeeping
  76                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  77                 set_magic_quotes_runtime(0);
  78                 $prefix = get_option('tpre');
  79
  80                 // Get Users
  81
  82                 return $txpdb->get_results('SELECT
  83                         user_id,
  84                         name,
  85                         RealName,
  86                         email,
  87                         privs
  88                         FROM '.$prefix.'txp_users', ARRAY_A);
  89         }
  90
  91         function get_txp_posts()
  92         {
  93                 // General Housekeeping
  94                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  95                 set_magic_quotes_runtime(0);
  96                 $prefix = get_option('tpre');
  97
  98                 // Get Posts
  99                 return $txpdb->get_results('SELECT
 100                         ID,
 101                         Posted,
 102                         AuthorID,
 103                         LastMod,
 104                         Title,
 105                         Body,
 106                         Excerpt,
 107                         Category1,
 108                         Category2,
 109                         Status,
 110                         Keywords,
 111                         url_title,
 112                         comments_count
 113                         FROM '.$prefix.'textpattern
 114                         ', ARRAY_A);
 115         }
 116
 117         function get_txp_comments()
 118         {
 119                 global $wpdb;
 120                 // General Housekeeping
 121                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
 122                 set_magic_quotes_runtime(0);
 123                 $prefix = get_option('tpre');
 124
 125                 // Get Comments
 126                 return $txpdb->get_results('SELECT * FROM '.$prefix.'txp_discuss', ARRAY_A);
 127         }
 128
 129                 function get_txp_links()
 130         {
 131                 //General Housekeeping
 132                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
 133                 set_magic_quotes_runtime(0);
 134                 $prefix = get_option('tpre');
 135
 136                 return $txpdb->get_results('SELECT
 137                         id,
 138                         date,
 139                         category,
 140                         url,
 141                         linkname,
 142                         description
 143                         FROM '.$prefix.'txp_link',
 144                         ARRAY_A);
 145         }
 146
 147         function cat2wp($categories='')
 148         {
 149                 // General Housekeeping
 150                 global $wpdb;
 151                 $count = 0;
 152                 $txpcat2wpcat = array();
 153                 // Do the Magic
 154                 if(is_array($categories))
 155                 {
 156                         echo '<p>'.__('Importing Categories...').'<br /><br /></p>';
 157                         foreach ($categories as $category)
 158                         {
 159                                 $count++;
 160                                 extract($category);
 161
 162
 163                                 // Make Nice Variables
 164                                 $name = $wpdb->escape($name);
 165                                 $title = $wpdb->escape($title);
 166
 167                                 if($cinfo = category_exists($name))
 168                                 {
 169                                         $ret_id = wp_insert_category(array('cat_ID' => $cinfo, 'category_nicename' => $name, 'cat_name' => $title));
 170                                 }
 171                                 else
 172                                 {
 173                                         $ret_id = wp_insert_category(array('category_nicename' => $name, 'cat_name' => $title));
 174                                 }
 175                                 $txpcat2wpcat[$id] = $ret_id;
 176                         }
 177
 178                         // Store category translation for future use
 179                         add_option('txpcat2wpcat',$txpcat2wpcat);
 180                         echo '<p>'.sprintf(__ngettext('Done! <strong>%1$s</strong> category imported.', 'Done! <strong>%1$s</strong> categories imported.', $count), $count).'<br /><br /></p>';
 181                         return true;
 182                 }
 183                 echo __('No Categories to Import!');
 184                 return false;
 185         }
 186
 187         function users2wp($users='')
 188         {
 189                 // General Housekeeping
 190                 global $wpdb;
 191                 $count = 0;
 192                 $txpid2wpid = array();
 193
 194                 // Midnight Mojo
 195                 if(is_array($users))
 196                 {
 197                         echo '<p>'.__('Importing Users...').'<br /><br /></p>';
 198                         foreach($users as $user)
 199                         {
 200                                 $count++;
 201                                 extract($user);
 202
 203                                 // Make Nice Variables
 204                                 $name = $wpdb->escape($name);
 205                                 $RealName = $wpdb->escape($RealName);
 206
 207                                 if($uinfo = get_userdatabylogin($name))
 208                                 {
 209
 210                                         $ret_id = wp_insert_user(array(
 211                                                                 'ID'                    => $uinfo->ID,
 212                                                                 'user_login'    => $name,
 213                                                                 'user_nicename' => $RealName,
 214                                                                 'user_email'    => $email,
 215                                                                 'user_url'              => 'http://',
 216                                                                 'display_name'  => $name)
 217                                                                 );
 218                                 }
 219                                 else
 220                                 {
 221                                         $ret_id = wp_insert_user(array(
 222                                                                 'user_login'    => $name,
 223                                                                 'user_nicename' => $RealName,
 224                                                                 'user_email'    => $email,
 225                                                                 'user_url'              => 'http://',
 226                                                                 'display_name'  => $name)
 227                                                                 );
 228                                 }
 229                                 $txpid2wpid[$user_id] = $ret_id;
 230
 231                                 // Set Textpattern-to-WordPress permissions translation
 232                                 $transperms = array(1 => '10', 2 => '9', 3 => '5', 4 => '4', 5 => '3', 6 => '2', 7 => '0');
 233
 234                                 // Update Usermeta Data
 235                                 $user = new WP_User($ret_id);
 236                                 if('10' == $transperms[$privs]) { $user->set_role('administrator'); }
 237                                 if('9'  == $transperms[$privs]) { $user->set_role('editor'); }
 238                                 if('5'  == $transperms[$privs]) { $user->set_role('editor'); }
 239                                 if('4'  == $transperms[$privs]) { $user->set_role('author'); }
 240                                 if('3'  == $transperms[$privs]) { $user->set_role('contributor'); }
 241                                 if('2'  == $transperms[$privs]) { $user->set_role('contributor'); }
 242                                 if('0'  == $transperms[$privs]) { $user->set_role('subscriber'); }
 243
 244                                 update_usermeta( $ret_id, 'wp_user_level', $transperms[$privs] );
 245                                 update_usermeta( $ret_id, 'rich_editing', 'false');
 246                         }// End foreach($users as $user)
 247
 248                         // Store id translation array for future use
 249                         add_option('txpid2wpid',$txpid2wpid);
 250
 251
 252                         echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> users imported.'), $count).'<br /><br /></p>';
 253                         return true;
 254                 }// End if(is_array($users)
 255
 256                 echo __('No Users to Import!');
 257                 return false;
 258
 259         }// End function user2wp()
 260
 261         function posts2wp($posts='')
 262         {
 263                 // General Housekeeping
 264                 global $wpdb;
 265                 $count = 0;
 266                 $txpposts2wpposts = array();
 267                 $cats = array();
 268
 269                 // Do the Magic
 270                 if(is_array($posts))
 271                 {
 272                         echo '<p>'.__('Importing Posts...').'<br /><br /></p>';
 273                         foreach($posts as $post)
 274                         {
 275                                 $count++;
 276                                 extract($post);
 277
 278                                 // Set Textpattern-to-WordPress status translation
 279                                 $stattrans = array(1 => 'draft', 2 => 'private', 3 => 'draft', 4 => 'publish', 5 => 'publish');
 280
 281                                 //Can we do this more efficiently?
 282                                 $uinfo = ( get_userdatabylogin( $AuthorID ) ) ? get_userdatabylogin( $AuthorID ) : 1;
 283                                 $authorid = ( is_object( $uinfo ) ) ? $uinfo->ID : $uinfo ;
 284
 285                                 $Title = $wpdb->escape($Title);
 286                                 $Body = $wpdb->escape($Body);
 287                                 $Excerpt = $wpdb->escape($Excerpt);
 288                                 $post_status = $stattrans[$Status];
 289
 290                                 // Import Post data into WordPress
 291
 292                                 if($pinfo = post_exists($Title,$Body))
 293                                 {
 294                                         $ret_id = wp_insert_post(array(
 295                                                 'ID'                            => $pinfo,
 296                                                 'post_date'                     => $Posted,
 297                                                 'post_date_gmt'         => $post_date_gmt,
 298                                                 'post_author'           => $authorid,
 299                                                 'post_modified'         => $LastMod,
 300                                                 'post_modified_gmt' => $post_modified_gmt,
 301                                                 'post_title'            => $Title,
 302                                                 'post_content'          => $Body,
 303                                                 'post_excerpt'          => $Excerpt,
 304                                                 'post_status'           => $post_status,
 305                                                 'post_name'                     => $url_title,
 306                                                 'comment_count'         => $comments_count)
 307                                                 );
 308                                         if ( is_wp_error( $ret_id ) )
 309                                                 return $ret_id;
 310                                 }
 311                                 else
 312                                 {
 313                                         $ret_id = wp_insert_post(array(
 314                                                 'post_date'                     => $Posted,
 315                                                 'post_date_gmt'         => $post_date_gmt,
 316                                                 'post_author'           => $authorid,
 317                                                 'post_modified'         => $LastMod,
 318                                                 'post_modified_gmt' => $post_modified_gmt,
 319                                                 'post_title'            => $Title,
 320                                                 'post_content'          => $Body,
 321                                                 'post_excerpt'          => $Excerpt,
 322                                                 'post_status'           => $post_status,
 323                                                 'post_name'                     => $url_title,
 324                                                 'comment_count'         => $comments_count)
 325                                                 );
 326                                         if ( is_wp_error( $ret_id ) )
 327                                                 return $ret_id;
 328                                 }
 329                                 $txpposts2wpposts[$ID] = $ret_id;
 330
 331                                 // Make Post-to-Category associations
 332                                 $cats = array();
 333                                 $category1 = get_category_by_slug($Category1);
 334                                 $category1 = $category1->term_id;
 335                                 $category2 = get_category_by_slug($Category2);
 336                                 $category2 = $category1->term_id;
 337                                 if($cat1 = $category1) { $cats[1] = $cat1; }
 338                                 if($cat2 = $category2) { $cats[2] = $cat2; }
 339
 340                                 if(!empty($cats)) { wp_set_post_categories($ret_id, $cats); }
 341                         }
 342                 }
 343                 // Store ID translation for later use
 344                 add_option('txpposts2wpposts',$txpposts2wpposts);
 345
 346                 echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> posts imported.'), $count).'<br /><br /></p>';
 347                 return true;
 348         }
 349
 350         function comments2wp($comments='')
 351         {
 352                 // General Housekeeping
 353                 global $wpdb;
 354                 $count = 0;
 355                 $txpcm2wpcm = array();
 356                 $postarr = get_option('txpposts2wpposts');
 357
 358                 // Magic Mojo
 359                 if(is_array($comments))
 360                 {
 361                         echo '<p>'.__('Importing Comments...').'<br /><br /></p>';
 362                         foreach($comments as $comment)
 363                         {
 364                                 $count++;
 365                                 extract($comment);
 366
 367                                 // WordPressify Data
 368                                 $comment_ID = ltrim($discussid, '0');
 369                                 $comment_post_ID = $postarr[$parentid];
 370                                 $comment_approved = (1 == $visible) ? 1 : 0;
 371                                 $name = $wpdb->escape($name);
 372                                 $email = $wpdb->escape($email);
 373                                 $web = $wpdb->escape($web);
 374                                 $message = $wpdb->escape($message);
 375
 376                                 if($cinfo = comment_exists($name, $posted))
 377                                 {
 378                                         // Update comments
 379                                         $ret_id = wp_update_comment(array(
 380                                                 'comment_ID'                    => $cinfo,
 381                                                 'comment_post_ID'               => $comment_post_ID,
 382                                                 'comment_author'                => $name,
 383                                                 'comment_author_email'  => $email,
 384                                                 'comment_author_url'    => $web,
 385                                                 'comment_date'                  => $posted,
 386                                                 'comment_content'               => $message,
 387                                                 'comment_approved'              => $comment_approved)
 388                                                 );
 389                                 }
 390                                 else
 391                                 {
 392                                         // Insert comments
 393                                         $ret_id = wp_insert_comment(array(
 394                                                 'comment_post_ID'               => $comment_post_ID,
 395                                                 'comment_author'                => $name,
 396                                                 'comment_author_email'  => $email,
 397                                                 'comment_author_url'    => $web,
 398                                                 'comment_author_IP'             => $ip,
 399                                                 'comment_date'                  => $posted,
 400                                                 'comment_content'               => $message,
 401                                                 'comment_approved'              => $comment_approved)
 402                                                 );
 403                                 }
 404                                 $txpcm2wpcm[$comment_ID] = $ret_id;
 405                         }
 406                         // Store Comment ID translation for future use
 407                         add_option('txpcm2wpcm', $txpcm2wpcm);
 408
 409                         // Associate newly formed categories with posts
 410                         get_comment_count($ret_id);
 411
 412
 413                         echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> comments imported.'), $count).'<br /><br /></p>';
 414                         return true;
 415                 }
 416                 echo __('No Comments to Import!');
 417                 return false;
 418         }
 419
 420         function links2wp($links='')
 421         {
 422                 // General Housekeeping
 423                 global $wpdb;
 424                 $count = 0;
 425
 426                 // Deal with the links
 427                 if(is_array($links))
 428                 {
 429                         echo '<p>'.__('Importing Links...').'<br /><br /></p>';
 430                         foreach($links as $link)
 431                         {
 432                                 $count++;
 433                                 extract($link);
 434
 435                                 // Make nice vars
 436                                 $category = $wpdb->escape($category);
 437                                 $linkname = $wpdb->escape($linkname);
 438                                 $description = $wpdb->escape($description);
 439
 440                                 if($linfo = link_exists($linkname))
 441                                 {
 442                                         $ret_id = wp_insert_link(array(
 443                                                                 'link_id'                       => $linfo,
 444                                                                 'link_url'                      => $url,
 445                                                                 'link_name'                     => $linkname,
 446                                                                 'link_category'         => $category,
 447                                                                 'link_description'      => $description,
 448                                                                 'link_updated'          => $date)
 449                                                                 );
 450                                 }
 451                                 else
 452                                 {
 453                                         $ret_id = wp_insert_link(array(
 454                                                                 'link_url'                      => $url,
 455                                                                 'link_name'                     => $linkname,
 456                                                                 'link_category'         => $category,
 457                                                                 'link_description'      => $description,
 458                                                                 'link_updated'          => $date)
 459                                                                 );
 460                                 }
 461                                 $txplinks2wplinks[$link_id] = $ret_id;
 462                         }
 463                         add_option('txplinks2wplinks',$txplinks2wplinks);
 464                         echo '<p>';
 465                         printf(__ngettext('Done! <strong>%s</strong> link imported', 'Done! <strong>%s</strong> links imported', $count), $count);
 466                         echo '<br /><br /></p>';
 467                         return true;
 468                 }
 469                 echo __('No Links to Import!');
 470                 return false;
 471         }
 472
 473         function import_categories()
 474         {
 475                 // Category Import
 476                 $cats = $this->get_txp_cats();
 477                 $this->cat2wp($cats);
 478                 add_option('txp_cats', $cats);
 479
 480
 481
 482                 echo '<form action="admin.php?import=textpattern&amp;step=2" method="post">';
 483                 wp_nonce_field('import-textpattern');
 484                 printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Users')));
 485                 echo '</form>';
 486
 487         }
 488
 489         function import_users()
 490         {
 491                 // User Import
 492                 $users = $this->get_txp_users();
 493                 $this->users2wp($users);
 494
 495                 echo '<form action="admin.php?import=textpattern&amp;step=3" method="post">';
 496                 wp_nonce_field('import-textpattern');
 497                 printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Posts')));
 498                 echo '</form>';
 499         }
 500
 501         function import_posts()
 502         {
 503                 // Post Import
 504                 $posts = $this->get_txp_posts();
 505                 $result = $this->posts2wp($posts);
 506                 if ( is_wp_error( $result ) )
 507                         return $result;
 508
 509                 echo '<form action="admin.php?import=textpattern&amp;step=4" method="post">';
 510                 wp_nonce_field('import-textpattern');
 511                 printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Comments')));
 512                 echo '</form>';
 513         }
 514
 515         function import_comments()
 516         {
 517                 // Comment Import
 518                 $comments = $this->get_txp_comments();
 519                 $this->comments2wp($comments);
 520
 521                 echo '<form action="admin.php?import=textpattern&amp;step=5" method="post">';
 522                 wp_nonce_field('import-textpattern');
 523                 printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Links')));
 524                 echo '</form>';
 525         }
 526
 527         function import_links()
 528         {
 529                 //Link Import
 530                 $links = $this->get_txp_links();
 531                 $this->links2wp($links);
 532                 add_option('txp_links', $links);
 533
 534                 echo '<form action="admin.php?import=textpattern&amp;step=6" method="post">';
 535                 wp_nonce_field('import-textpattern');
 536                 printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Finish')));
 537                 echo '</form>';
 538         }
 539
 540         function cleanup_txpimport()
 541         {
 542                 delete_option('tpre');
 543                 delete_option('txp_cats');
 544                 delete_option('txpid2wpid');
 545                 delete_option('txpcat2wpcat');
 546                 delete_option('txpposts2wpposts');
 547                 delete_option('txpcm2wpcm');
 548                 delete_option('txplinks2wplinks');
 549                 delete_option('txpuser');
 550                 delete_option('txppass');
 551                 delete_option('txpname');
 552                 delete_option('txphost');
 553                 do_action('import_done', 'textpattern');
 554                 $this->tips();
 555         }
 556
 557         function tips()
 558         {
 559                 echo '<p>'.__('Welcome to WordPress.  We hope (and expect!) that you will find this platform incredibly rewarding!  As a new WordPress user coming from Textpattern, there are some things that we would like to point out.  Hopefully, they will help your transition go as smoothly as possible.').'</p>';
 560                 echo '<h3>'.__('Users').'</h3>';
 561                 echo '<p>'.sprintf(__('You have already setup WordPress and have been assigned an administrative login and password.  Forget it.  You didn&#8217;t have that login in Textpattern, why should you have it here?  Instead we have taken care to import all of your users into our system.  Unfortunately there is one downside.  Because both WordPress and Textpattern uses a strong encryption hash with passwords, it is impossible to decrypt it and we are forced to assign temporary passwords to all your users.  <strong>Every user has the same username, but their passwords are reset to password123.</strong>  So <a href="%1$s">Login</a> and change it.'), get_bloginfo( 'wpurl' ) . '/wp-login.php').'</p>';
 562                 echo '<h3>'.__('Preserving Authors').'</h3>';
 563                 echo '<p>'.__('Secondly, we have attempted to preserve post authors.  If you are the only author or contributor to your blog, then you are safe.  In most cases, we are successful in this preservation endeavor.  However, if we cannot ascertain the name of the writer due to discrepancies between database tables, we assign it to you, the administrative user.').'</p>';
 564                 echo '<h3>'.__('Textile').'</h3>';
 565                 echo '<p>'.__('Also, since you&#8217;re coming from Textpattern, you probably have been using Textile to format your comments and posts.  If this is the case, we recommend downloading and installing <a href="http://www.huddledmasses.org/category/development/wordpress/textile/">Textile for WordPress</a>.  Trust me... You&#8217;ll want it.').'</p>';
 566                 echo '<h3>'.__('WordPress Resources').'</h3>';
 567                 echo '<p>'.__('Finally, there are numerous WordPress resources around the internet.  Some of them are:').'</p>';
 568                 echo '<ul>';
 569                 echo '<li>'.__('<a href="http://www.wordpress.org">The official WordPress site</a>').'</li>';
 570                 echo '<li>'.__('<a href="http://wordpress.org/support/">The WordPress support forums</a>').'</li>';
 571                 echo '<li>'.__('<a href="http://codex.wordpress.org">The Codex (In other words, the WordPress Bible)</a>').'</li>';
 572                 echo '</ul>';
 573                 echo '<p>'.sprintf(__('That&#8217;s it! What are you waiting for? Go <a href="%1$s">login</a>!'), get_bloginfo( 'wpurl' ) . '/wp-login.php').'</p>';
 574         }
 575
 576         function db_form()
 577         {
 578                 echo '<table class="form-table">';
 579                 printf('<tr><th scope="row"><label for="dbuser">%s</label></th><td><input type="text" name="dbuser" id="dbuser" /></td></tr>', __('Textpattern Database User:'));
 580                 printf('<tr><th scope="row"><label for="dbpass">%s</label></th><td><input type="password" name="dbpass" id="dbpass" /></td></tr>', __('Textpattern Database Password:'));
 581                 printf('<tr><th scope="row"><label for="dbname">%s</label></th><td><input type="text" id="dbname" name="dbname" /></td></tr>', __('Textpattern Database Name:'));
 582                 printf('<tr><th scope="row"><label for="dbhost">%s</label></th><td><input type="text" id="dbhost" name="dbhost" value="localhost" /></td></tr>', __('Textpattern Database Host:'));
 583                 printf('<tr><th scope="row"><label for="dbprefix">%s</label></th><td><input type="text" name="dbprefix" id="dbprefix"  /></td></tr>', __('Textpattern Table prefix (if any):'));
 584                 echo '</table>';
 585         }
 586
 587         function dispatch()
 588         {
 589
 590                 if (empty ($_GET['step']))
 591                         $step = 0;
 592                 else
 593                         $step = (int) $_GET['step'];
 594                 $this->header();
 595
 596                 if ( $step > 0 )
 597                 {
 598                         check_admin_referer('import-textpattern');
 599
 600                         if($_POST['dbuser'])
 601                         {
 602                                 if(get_option('txpuser'))
 603                                         delete_option('txpuser');
 604                                 add_option('txpuser', sanitize_user($_POST['dbuser'], true));
 605                         }
 606                         if($_POST['dbpass'])
 607                         {
 608                                 if(get_option('txppass'))
 609                                         delete_option('txppass');
 610                                 add_option('txppass',  sanitize_user($_POST['dbpass'], true));
 611                         }
 612
 613                         if($_POST['dbname'])
 614                         {
 615                                 if(get_option('txpname'))
 616                                         delete_option('txpname');
 617                                 add_option('txpname',  sanitize_user($_POST['dbname'], true));
 618                         }
 619                         if($_POST['dbhost'])
 620                         {
 621                                 if(get_option('txphost'))
 622                                         delete_option('txphost');
 623                                 add_option('txphost',  sanitize_user($_POST['dbhost'], true));
 624                         }
 625                         if($_POST['dbprefix'])
 626                         {
 627                                 if(get_option('tpre'))
 628                                         delete_option('tpre');
 629                                 add_option('tpre',  sanitize_user($_POST['dbprefix']));
 630                         }
 631
 632
 633                 }
 634
 635                 switch ($step)
 636                 {
 637                         default:
 638                         case 0 :
 639                                 $this->greet();
 640                                 break;
 641                         case 1 :
 642                                 $this->import_categories();
 643                                 break;
 644                         case 2 :
 645                                 $this->import_users();
 646                                 break;
 647                         case 3 :
 648                                 $result = $this->import_posts();
 649                                 if ( is_wp_error( $result ) )
 650                                         echo $result->get_error_message();
 651                                 break;
 652                         case 4 :
 653                                 $this->import_comments();
 654                                 break;
 655                         case 5 :
 656                                 $this->import_links();
 657                                 break;
 658                         case 6 :
 659                                 $this->cleanup_txpimport();
 660                                 break;
 661                 }
 662
 663                 $this->footer();
 664         }
 665
 666         function Textpattern_Import()
 667         {
 668                 // Nothing.
 669         }
 670 }
 671
 672 $txp_import = new Textpattern_Import();
 673 register_importer('textpattern', __('Textpattern'), __('Import categories, users, posts, comments, and links from a Textpattern blog.'), array ($txp_import, 'dispatch'));
 674 ?>