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You are here: System » SubscribePlugin

Subscribe Plugin

This is a companion plugin to the MailerContrib. It allows you to trivially add a "Subscribe me" link to topics to get subscribed to changes.

Example (only works if plugin is installed, and you are logged in (not WikiGuest)):


Anywhere in a topic or template:

  • %SUBSCRIBE{...}% or simply %SUBSCRIBE%
Parameter Default Meaning
who Logged-in user Who to subscribe (wikiname, no web)
topic Current topic Topic to subscribe to. Wildcards may be used e.g. topic="Item*" will subscribe to all topics starting with Item. Use topic="Main.*" to subscribe to the WebNotify for that web.
unsubscribe Not set If set to "on", will unsubscribe the user
format Simple HTML Link with an action anchor "Subscribe" or "Unsubscribe" Defines custom look-and-feel for subscribe link using the following format variables: $topics, $url, $wikiname, $action
formatunsubscribe format Serves same function as format, but allows the user to define a different format than subscribe.

  • The button toggles subscribe/unsubscribe if the user is already subscribed or vice versa. So after the next click on the button, the user will be unsubscribed.
  • The plugin will do the best it can to optimise the subscription lists in WebNotify.

Access Controls

The guest user is not allowed to subscribe for notification.

You don't need VIEW access to the WebNotify topic in order to subscribe to changes in a web, but you must have CHANGE access. If you want users to be able to subscribe or unsubscribe, but you don't want them to be able to modify their subscription or otherwise edit the WebNotify topic, you can restrict VIEW access to WebNotify. This will make it uneditable from the browser (but will not block save urls, so is not fully secure).

ALERT! Note that permissions on individual topics are not checked when subscription mails are sent out, so be very careful about who you allow to subscribe.

Plugin Installation Instructions

You do not need to install anything in the browser to use this extension. The following instructions are for the administrator who installs the extension on the server.

Open configure, and open the "Extensions" section. Use "Find More Extensions" to get a list of available extensions. Select "Install".

If you have any problems, or if the extension isn't available in configure, then you can still install manually from the command-line. See http://foswiki.org/Support/ManuallyInstallingExtensions for more help.

Plugin Info

Another great Foswiki extension from the WikiRing - working together to improve your wiki experience!

Author: Crawford Currie
Copyright: © 2008, Crawford Currie
License: GPL (GNU General Public License)
Plugin Version: 1150 (03 Dec 2008)
Foswiki::Contrib::MailerContrib>=0Foswiki mailer module
Change History:  
03 Dec 2008 Re-released for Foswiki
15 Oct 2008 TWikibug:Item4115: enable subscriptions with (child), TWikibug:Item5950: fix cross web SUBSCRIPTION indication (requires updated MailerContrib) can now get feedback to %SUBSCRIBE{topic="*"}% - TWiki:Main.SvenDowideit
25 May 2008 TWikibug:Item5488: merged TWiki:Main.DavidPatterson's patch to fix deep subscription
25 Jan 2008 TWikibug:Item4812: added TWiki:Main.BobGoldstein's noexpand patch for groups
9 Sep 2007 TWikibug:Item4175 added MAKETEXT in case the string is available
13966 TWikiBug?:Item4155 Fixed for 4.0.x and 4.1.x
13787 TWikibug:Item4010 - fix web subscription, and format parameters. - TWiki:Main.SvenDowideit
13525 TWikibug:Item3731 - Update documentation topic.
13512 TWikibug:Item3731 - final pre-release tweaks, result of testing on 4.1.2
13510 TWikibug:Item3731 - completed the plugin now that the Mailer updates are done
13506 TWikibug:Item3731 - Update dependency to latest version of MailerContrib
13081 TWikibug:Item3731 - Added SubscribePlugin, and cleaned up and updated APIs in MailerContrib
24 Apr 2007 First version
Plugin Home: http://foswiki.org/Extensions/SubscribePlugin
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