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opensimulator-helper

Very small repository for containing PHP helper code necessary for some transactions involving an economy (e.g. selling land even for $0)

Code originally comes from Melanie Theilker and Teravus Ovares with some cleanup by BlueWall. Originating version was the opensim-wi project (http://forge.opensimulator.org/gf/project/opensimwi/)

Unfortunately, this code uses the original mysql module and I have no plans to update it since I no longer work with OpenSimulator or virtual worlds. However, I will continue to address basic security issues until PHP 5 goes out of service.

Background

In the Second Life system (and hence in OpenSimulator), land sales, even for $0, require the viewer to directly interact with a set of XMLRPC functions. The landtool.php in this repository supplies a minimum version of these functions, so that sales can be made for $0. Sales for any other amount will probably also work but no actual money transactions will occur (i.e. the sales will still be for free).

Instructions

  1. Configure landtool.php with a mysql user that can access your OpenSimulator ROBUST databases. This is required so that the code can authenticate that requests are coming from valid logged in users.

  2. Place landtool.php in a place where it can be accessed via a web-server.
    You will also need PHP to be active with the xmlrpc extension (in Ubuntu this is the package named php5-xmlrpc).

  3. Edit the economy parameter in the [GridInfo] section in your bin/Robust.ini OpenSimulator file (or Robust.HG.ini if appropriate) so that it is set to the webfolder containing landtool.php. For instance, if landtool.php is accessible via the URL http://example.com/landtool.php, then you will need to configure

[GridInfo]

economy = http://example.com/

Since the viewer is contacting this URL directly, it must be accessible to anybody who logs in to your grid.

  1. Restart the ROBUST instance hosting the login service. Users that have previously logged in to your grid with a viewer that records grid URLs may need to refresh this information.

A user should now be able to buy land. Please note that on some viewers (e.g. Singularity 1.8.3) you may need to enable the admin menu (shortcut ctrl+alt+v) before you can buy land, even though you do not need to have admin status. This may be a viewer bug or OpenSimulator is not currently supplying the correct information to enable land sales properly.