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   1  <?php
   2  /**
   3   * Permalink settings administration panel.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /** WordPress Administration Bootstrap */
  10  require_once ('admin.php');
  11  
  12  if ( ! current_user_can( 'manage_options' ) )
  13      wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
  14  
  15  $title = __('Permalink Settings');
  16  $parent_file = 'options-general.php';
  17  
  18  /**
  19   * Display JavaScript on the page.
  20   *
  21   * @package WordPress
  22   * @subpackage Permalink_Settings_Panel
  23   */
  24  function add_js() {
  25  ?>
  26  <script type="text/javascript">
  27  //<![CDATA[
  28  function GetElementsWithClassName(elementName, className) {
  29  var allElements = document.getElementsByTagName(elementName);
  30  var elemColl = new Array();
  31  for (i = 0; i < allElements.length; i++) {
  32  if (allElements[i].className == className) {
  33  elemColl[elemColl.length] = allElements[i];
  34  }
  35  }
  36  return elemColl;
  37  }
  38  
  39  function upit() {
  40  var inputColl = GetElementsWithClassName('input', 'tog');
  41  var structure = document.getElementById('permalink_structure');
  42  var inputs = '';
  43  for (i = 0; i < inputColl.length; i++) {
  44  if ( inputColl[i].checked && inputColl[i].value != '') {
  45  inputs += inputColl[i].value + ' ';
  46  }
  47  }
  48  inputs = inputs.substr(0,inputs.length - 1);
  49  if ( 'custom' != inputs )
  50  structure.value = inputs;
  51  }
  52  
  53  function blurry() {
  54  if (!document.getElementById) return;
  55  
  56  var structure = document.getElementById('permalink_structure');
  57  structure.onfocus = function () { document.getElementById('custom_selection').checked = 'checked'; }
  58  
  59  var aInputs = document.getElementsByTagName('input');
  60  
  61  for (var i = 0; i < aInputs.length; i++) {
  62  aInputs[i].onclick = aInputs[i].onkeyup = upit;
  63  }
  64  }
  65  
  66  window.onload = blurry;
  67  //]]>
  68  </script>
  69  <?php
  70  }
  71  add_filter('admin_head', 'add_js');
  72  
  73  include ('admin-header.php');
  74  
  75  $home_path = get_home_path();
  76  $iis7_permalinks = iis7_supports_permalinks();
  77  
  78  if ( isset($_POST['permalink_structure']) || isset($_POST['category_base']) ) {
  79      check_admin_referer('update-permalink');
  80  
  81      if ( isset($_POST['permalink_structure']) ) {
  82          $permalink_structure = $_POST['permalink_structure'];
  83          if (! empty($permalink_structure) )
  84              $permalink_structure = preg_replace('#/+#', '/', '/' . $_POST['permalink_structure']);
  85          if ( is_multisite() && !is_subdomain_install()  && $permalink_structure != '' && is_main_site() ) {
  86              $permalink_structure = '/blog' . $permalink_structure;
  87          }
  88          $wp_rewrite->set_permalink_structure($permalink_structure);
  89      }
  90  
  91      if ( isset($_POST['category_base']) ) {
  92          $category_base = $_POST['category_base'];
  93          if (! empty($category_base) )
  94              $category_base = preg_replace('#/+#', '/', '/' . $_POST['category_base']);
  95          if ( is_multisite() && !is_subdomain_install() && $category_base != '' && is_main_site() ) {
  96              $category_base = '/blog' . $category_base;
  97          }
  98          $wp_rewrite->set_category_base($category_base);
  99      }
 100  
 101      if ( isset($_POST['tag_base']) ) {
 102          $tag_base = $_POST['tag_base'];
 103          if (! empty($tag_base) )
 104              $tag_base = preg_replace('#/+#', '/', '/' . $_POST['tag_base']);
 105          if ( is_multisite() && !is_subdomain_install() && $tag_base != '' && is_main_site() ) {
 106              $tag_base = '/blog' . $tag_base;
 107          }
 108          $wp_rewrite->set_tag_base($tag_base);
 109      }
 110  }
 111  
 112  $permalink_structure = get_option('permalink_structure');
 113  $category_base = get_option('category_base');
 114  $tag_base = get_option( 'tag_base' );
 115  
 116  if ( $iis7_permalinks ) {
 117      if ( ( ! file_exists($home_path . 'web.config') && win_is_writable($home_path) ) || win_is_writable($home_path . 'web.config') )
 118          $writable = true;
 119      else
 120          $writable = false;
 121  } else {
 122      if ( ( ! file_exists($home_path . '.htaccess') && is_writable($home_path) ) || is_writable($home_path . '.htaccess') )
 123          $writable = true;
 124      else
 125          $writable = false;
 126  }
 127  
 128  if ( $wp_rewrite->using_index_permalinks() )
 129      $usingpi = true;
 130  else
 131      $usingpi = false;
 132  
 133  $wp_rewrite->flush_rules();
 134  
 135  
 136  if (isset($_POST['submit'])) : ?>
 137  <div id="message" class="updated"><p><?php
 138  if ( ! is_multisite() ) {
 139      if ( $iis7_permalinks ) {
 140          if ( $permalink_structure && ! $usingpi && ! $writable )
 141              _e('You should update your web.config now');
 142          else if ( $permalink_structure && ! $usingpi && $writable )
 143              _e('Permalink structure updated. Remove write access on web.config file now!');
 144          else
 145              _e('Permalink structure updated');
 146      } else {
 147          if ( $permalink_structure && ! $usingpi && ! $writable )
 148              _e('You should update your .htaccess now.');
 149          else
 150              _e('Permalink structure updated.');
 151      }
 152  } else {
 153      _e('Permalink structure updated.');
 154  }
 155  ?>
 156  </p></div>
 157  <?php endif; ?>
 158  
 159  <div class="wrap">
 160  <?php screen_icon(); ?>
 161  <h2><?php echo esc_html( $title ); ?></h2>
 162  
 163  <form name="form" action="options-permalink.php" method="post">
 164  <?php wp_nonce_field('update-permalink') ?>
 165  
 166    <p><?php _e('By default WordPress uses web <abbr title="Universal Resource Locator">URL</abbr>s which have question marks and lots of numbers in them, however WordPress offers you the ability to create a custom URL structure for your permalinks and archives. This can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="http://codex.wordpress.org/Using_Permalinks">number of tags are available</a>, and here are some examples to get you started.'); ?></p>
 167  
 168  <?php
 169  $prefix = '';
 170  
 171  if ( ! got_mod_rewrite() && ! $iis7_permalinks )
 172      $prefix = '/index.php';
 173  
 174  $structures = array(
 175      '',
 176      $prefix . '/%year%/%monthnum%/%day%/%postname%/',
 177      $prefix . '/%year%/%monthnum%/%postname%/',
 178      $prefix . '/archives/%post_id%'
 179      );
 180  ?>
 181  <h3><?php _e('Common settings'); ?></h3>
 182  <table class="form-table">
 183      <tr>
 184          <th><label><input name="selection" type="radio" value="" class="tog" <?php checked('', $permalink_structure); ?> /> <?php _e('Default'); ?></label></th>
 185          <td><code><?php echo get_option('home'); ?>/?p=123</code></td>
 186      </tr>
 187      <tr>
 188          <th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[1]); ?>" class="tog" <?php checked($structures[1], $permalink_structure); ?> /> <?php _e('Day and name'); ?></label></th>
 189          <td><code><?php echo get_option('home') . $prefix . '/' . date('Y') . '/' . date('m') . '/' . date('d') . '/sample-post/'; ?></code></td>
 190      </tr>
 191      <tr>
 192          <th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[2]); ?>" class="tog" <?php checked($structures[2], $permalink_structure); ?> /> <?php _e('Month and name'); ?></label></th>
 193          <td><code><?php echo get_option('home') . $prefix . '/' . date('Y') . '/' . date('m') . '/sample-post/'; ?></code></td>
 194      </tr>
 195      <tr>
 196          <th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[3]); ?>" class="tog" <?php checked($structures[3], $permalink_structure); ?> /> <?php _e('Numeric'); ?></label></th>
 197          <td><code><?php echo get_option('home') . $prefix  ; ?>/archives/123</code></td>
 198      </tr>
 199      <tr>
 200          <th>
 201              <label><input name="selection" id="custom_selection" type="radio" value="custom" class="tog"
 202              <?php if ( !in_array($permalink_structure, $structures) ) { ?>
 203              checked="checked"
 204              <?php } ?>
 205               />
 206              <?php _e('Custom Structure'); ?>
 207              </label>
 208          </th>
 209          <td>
 210              <?php if ( is_multisite() && !is_subdomain_install() && is_main_site() ) { echo "/blog"; $permalink_structure = preg_replace( "|^/?blog|", "", $permalink_structure ); }?>
 211              <input name="permalink_structure" id="permalink_structure" type="text" value="<?php echo esc_attr($permalink_structure); ?>" class="regular-text code" />
 212          </td>
 213      </tr>
 214  </table>
 215  
 216  <h3><?php _e('Optional'); ?></h3>
 217  <?php if ( $is_apache || $iis7_permalinks ) : ?>
 218      <p><?php _e('If you like, you may enter custom structures for your category and tag <abbr title="Universal Resource Locator">URL</abbr>s here. For example, using <kbd>topics</kbd> as your category base would make your category links like <code>http://example.org/topics/uncategorized/</code>. If you leave these blank the defaults will be used.') ?></p>
 219  <?php else : ?>
 220      <p><?php _e('If you like, you may enter custom structures for your category and tag <abbr title="Universal Resource Locator">URL</abbr>s here. For example, using <code>topics</code> as your category base would make your category links like <code>http://example.org/index.php/topics/uncategorized/</code>. If you leave these blank the defaults will be used.') ?></p>
 221  <?php endif; ?>
 222  
 223  <table class="form-table">
 224      <tr>
 225          <th><label for="category_base"><?php /* translators: prefix for category permalinks */ _e('Category base'); ?></label></th>
 226          <td><?php if ( is_multisite() && !is_subdomain_install() && is_main_site() ) { echo "/blog"; $category_base = preg_replace( "|^/?blog|", "", $category_base ); }?> <input name="category_base" id="category_base" type="text" value="<?php echo esc_attr( $category_base ); ?>" class="regular-text code" /></td>
 227      </tr>
 228      <tr>
 229          <th><label for="tag_base"><?php _e('Tag base'); ?></label></th>
 230          <td><?php if ( is_multisite() && !is_subdomain_install() && is_main_site() ) { echo "/blog"; $tag_base = preg_replace( "|^/?blog|", "", $tag_base ); }?> <input name="tag_base" id="tag_base" type="text" value="<?php echo esc_attr($tag_base); ?>" class="regular-text code" /></td>
 231      </tr>
 232      <?php do_settings_fields('permalink', 'optional'); ?>
 233  </table>
 234  
 235  <?php do_settings_sections('permalink'); ?>
 236  
 237  <p class="submit">
 238      <input type="submit" name="submit" class="button-primary" value="<?php esc_attr_e('Save Changes') ?>" />
 239  </p>
 240    </form>
 241  <?php if ( !is_multisite() ) { ?>
 242  <?php if ($iis7_permalinks) :
 243      if ( isset($_POST['submit']) && $permalink_structure && ! $usingpi && ! $writable ) :
 244          if ( file_exists($home_path . 'web.config') ) : ?>
 245  <p><?php _e('If your <code>web.config</code> file were <a href="http://codex.wordpress.org/Changing_File_Permissions">writable</a>, we could do this automatically, but it isn&#8217;t so this is the url rewrite rule you should have in your <code>web.config</code> file. Click in the field and press <kbd>CTRL + a</kbd> to select all. Then insert this rule inside of the <code>/&lt;configuration&gt;/&lt;system.webServer&gt;/&lt;rewrite&gt;/&lt;rules&gt;</code> element in <code>web.config</code> file.') ?></p>
 246  <form action="options-permalink.php" method="post">
 247  <?php wp_nonce_field('update-permalink') ?>
 248      <p><textarea rows="9" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_html($wp_rewrite->iis7_url_rewrite_rules()); ?></textarea></p>
 249  </form>
 250  <p><?php _e('If you temporarily make your <code>web.config</code> file writable for us to generate rewrite rules automatically, do not forget to revert the permissions after rule has been saved.')  ?></p>
 251          <?php else : ?>
 252  <p><?php _e('If the root directory of your site were <a href="http://codex.wordpress.org/Changing_File_Permissions">writable</a>, we could do this automatically, but it isn&#8217;t so this is the url rewrite rule you should have in your <code>web.config</code> file. Create a new file, called <code>web.config</code> in the root directory of your site. Click in the field and press <kbd>CTRL + a</kbd> to select all. Then insert this code into the <code>web.config</code> file.') ?></p>
 253  <form action="options-permalink.php" method="post">
 254  <?php wp_nonce_field('update-permalink') ?>
 255      <p><textarea rows="18" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_html($wp_rewrite->iis7_url_rewrite_rules(true)); ?></textarea></p>
 256  </form>
 257  <p><?php _e('If you temporarily make your site&#8217;s root directory writable for us to generate the <code>web.config</code> file automatically, do not forget to revert the permissions after the file has been created.')  ?></p>
 258          <?php endif; ?>
 259      <?php endif; ?>
 260  <?php else :
 261      if ( $permalink_structure && ! $usingpi && ! $writable ) : ?>
 262  <p><?php _e('If your <code>.htaccess</code> file were <a href="http://codex.wordpress.org/Changing_File_Permissions">writable</a>, we could do this automatically, but it isn&#8217;t so these are the mod_rewrite rules you should have in your <code>.htaccess</code> file. Click in the field and press <kbd>CTRL + a</kbd> to select all.') ?></p>
 263  <form action="options-permalink.php" method="post">
 264  <?php wp_nonce_field('update-permalink') ?>
 265      <p><textarea rows="6" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_html($wp_rewrite->mod_rewrite_rules()); ?></textarea></p>
 266  </form>
 267      <?php endif; ?>
 268  <?php endif; ?>
 269  <?php } // multisite ?>
 270  
 271  </div>
 272  
 273  <?php require ('./admin-footer.php'); ?>