URLess

    Release 1.0

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    DESCRIPTION

    The URLess plugin provides a new comment policy option:
    to disallow anonymous (unauthenticated) commenters from leaving
    links within their comments. Since this is a common signature
    of blog spam, this is an effective way to eliminate most all
    comment spam you receive.

    Anything that does get by this plugin will be filtered by MT's
    regular antispam filters.

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    REQUIREMENTS

    This plugin is supported on Movable Type 3.3 and later.
    If you are using an older version of Movable Type, we
    strongly suggest upgrading to the latest release.

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    INSTALLATION

    To install URLess, install the following file within your MT
    directory:

        plugins/URLess/URLess.pl

    Note that if you are upgrading from a previous release of this
    plugin, you should remove the old version first to avoid having
    two copies installed that may conflict with one another.

    In addition to installing the plugin files, you should also
    modify your weblog templates to hide the URL input field for
    unauthenticated commenters and reveal it for authenticated
    commenters once they sign in. The changes to MT's default
    templates are as follows:

      1) Wrap the "<p>" tag surrounding the "URL" input field
         like so:

         <div id="commenter-url">
         <p>
            <label for="comment-url">URL:</label>
            <input id="comment-url" name="url" size="30" />
         </p>
         </div>

      2) You may also want to customize the note displayed when
         allowing HTML tags to specify that links are only permitted
         for authenticated commenters:

         <MTIfAllowCommentHTML>(you may use HTML tags for style,
            but you can only add links if you've signed in)
         </MTIfAllowCommentHTML>

      3) Update your Site Javascript template and the
         "individualArchivesOnLoad" function in it to be like this:

         function individualArchivesOnLoad(commenter_name) {
         <MTIfCommentsAccepted><MTElse>
             hideDocumentElement('comments-open');
         </MTElse></MTIfCommentsAccepted>
         <MTIfPingsAccepted><MTElse>
             hideDocumentElement('trackbacks-info');
         </MTElse></MTIfPingsAccepted>
         <MTIfRegistrationAllowed>
         <MTIfRegistrationRequired>
            if (commenter_name) {
               hideDocumentElement('name-email');
               // ONLY display the URL field for authenticated commenters
               showDocumentElement('commenter-url');
               showDocumentElement('comments-open-text');
               showDocumentElement('comments-open-footer');
            } else {
               // Hide the URL field from anonymous commenters
               hideDocumentElement('commenter-url');
               hideDocumentElement('comments-open-data');
               hideDocumentElement('comments-open-text');
               hideDocumentElement('comments-open-footer');
            }
         <MTElse> // comments are allowed but not required
            if (commenter_name) {
               hideDocumentElement('name-email');
               // ONLY display the URL field for authenticated commenters
               showDocumentElement('commenter-url');
            } else {
               showDocumentElement('name-email');
               // Hide the URL field from anonymous commenters
               hideDocumentElement('commenter-url');
            }
         </MTElse>
         </MTIfRegistrationRequired>
         </MTIfRegistrationAllowed>

            var mtcmtauth;
            var mtcmthome;
            if (document.comments_form) {
               if (!commenter_name && (document.comments_form.email != undefined) &&
                  (mtcmtmail = getCookie("mtcmtmail")))
                  document.comments_form.email.value = mtcmtmail;
               if (!commenter_name && (document.comments_form.author != undefined) &&
                  (mtcmtauth = getCookie("mtcmtauth")))
                  document.comments_form.author.value = mtcmtauth;
               if (commenter_name && (document.comments_form.url != undefined) && 
                  (mtcmthome = getCookie("mtcmthome")))
                  // ONLY set the url from a cookie for trusted commenters!
                  document.comments_form.url.value = mtcmthome;
               if (document.comments_form["bakecookie"]) {
                  if (mtcmtauth || mtcmthome) {
                      document.comments_form.bakecookie.checked = true;
                  } else {
                      document.comments_form.bakecookie.checked = false;
                  }
               }
            }
         }

         With these changes in place, enable the plugin within
         the plugin listing for the weblog(s) you wish it to run
         on.

      4) Rebuild your Site Javascript template and individual
         archives to publish these changes.


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    UNINSTALLATION

    To remove this plugin, just remove the directories and files above. 
    You will also want to revert the changes you have made to your
    Individual Archive and Site Javascript templates.

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    LICENSE

    This plugin is released under the Artistic License.
    The text of this license can be found in the LICENSE.txt
    file included with this archive. It is also available here:
    http://www.opensource.org/licenses/artistic-license.php

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