Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Can I write a “bridge module” to interface between Drupal and another system or library?

April 26, 2017Drupal interface library system write

0

Posted

Can I write a “bridge module” to interface between Drupal and another system or library?

1 Answer

0

Posted

That depends on the other system. It is possible to distribute a module that communicates with a 3rd party system over HTTP, XML-RPC, SOAP, or some other wire protocol, that leaves the 3rd party system unaffected. Examples of such systems include Flickr, Mollom, or certain legacy systems. It is possible to distribute a module that integrates with a 3rd party PHP or JavaScript library, as long as the library is under either a GPL or GPL-compatible license. Examples of compatible licenses include BSD/MIT-style “permissive” licenses or the Lesser General Public License (LGPL). The Free Software Foundation maintains a list of popular GPL-compatible licenses. It is not possible to distribute a module that integrates a non-GPL compatible library with Drupal, because it would be a derivative work of both Drupal and that other library and would therefore violate either the GPL or the license of the other library. Please be aware that includes some open source licenses that are incompatible wit