Choosing Great Joomla Extensions
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The document outlines steps for choosing quality Joomla extensions: know your needs, locate extensions on sites like the Joomla Extension Directory, and evaluate extensions based on factors like features, security, support, code quality, updates, and licensing before making a selection. It recommends researching these factors on sources like the extension and developer websites, Joomla forums, and user communities.
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Choosing Great Joomla Extensions
- 1. Choosing Great Extensions Joomla Day New England 2010 Andy Tarr, Tarr Consulting
- 2. No magic bullet Common sense research June 5, 2010 J Day NE: Choosing Great Extensions 2
- 3. Know Your Needs Locate Extensions Evaluate for Quality & Fitness June 5, 2010 J Day NE: Choosing Great Extensions 3
- 4. Know Your Needs June 5, 2010 J Day NE: Choosing Great Extensions 4
- 5. Locate Extensions June 5, 2010 J Day NE: Choosing Great Extensions 5
- 6. http://extensions.joomla.org June 5, 2010 J Day NE: Choosing Great Extensions 6
- 7. Other Users June 5, 2010 J Day NE: Choosing Great Extensions 7
- 8. http://community.joomla.org/showcase June 5, 2010 J Day NE: Choosing Great Extensions 8
- 9. June 5, 2010 J Day NE: Choosing Great Extensions 9
- 10. Evaluate Quality & Fitness What questions do we have? Where do we find the answers? June 5, 2010 J Day NE: Choosing Great Extensions 10
- 11. Questions Features & functionality Security Support Quality of code Updates License & cost June 5, 2010 J Day NE: Choosing Great Extensions 11
- 12. Features & Functionality June 5, 2010 J Day NE: Choosing Great Extensions 12
- 13. Security June 5, 2010 J Day NE: Choosing Great Extensions 13
- 14. Developer & Community Support June 5, 2010 J Day NE: Choosing Great Extensions 14
- 15. Quality of Code June 5, 2010 J Day NE: Choosing Great Extensions 15
- 16. Updates June 5, 2010 J Day NE: Choosing Great Extensions 16
- 17. License License & Cost June 5, 2010 J Day NE: Choosing Great Extensions 17
- 18. Answers Joomla.org Extension/Developer’s website From the Developer JUG groups & mailing lists Google The extension itself June 5, 2010 J Day NE: Choosing Great Extensions 18
- 19. June 5, 2010 J Day NE: Choosing Great Extensions 19
- 20. June 5, 2010 J Day NE: Choosing Great Extensions 20 http://extensions.joomla.org
- 21. June 5, 2010 J Day NE: Choosing Great Extensions 21 http://docs.joomla.org/Vulnerable_Extensions_List
- 22. June 5, 2010 J Day NE: Choosing Great Extensions 22 http://forum.joomla.org
- 23. June 5, 2010 J Day NE: Choosing Great Extensions 23 Extension/Developer’s website
- 24. June 5, 2010 J Day NE: Choosing Great Extensions 24 Developer & Community Support
- 25. User Group & Mailing Lists June 5, 2010 J Day NE: Choosing Great Extensions 25
- 26. June 5, 2010 J Day NE: Choosing Great Extensions 26
- 27. June 5, 2010 J Day NE: Choosing Great Extensions 27 The Extension Itself
- 28. Final questions? June 5, 2010 J Day NE: Choosing Great Extensions 28
Notas do Editor
- What are your business needs?Do you have any technical constraints?Example: JQuery/MootoolsWhat’s your budget? Any license restrictions, preferences?
- The most common place is the JED, otherwise known as the Joomla Extension Directory.Why extensions are not on the JEDThey don't have a GPL license. For the past year only extensions that are licensed under GPL are allowed.Known security issuesIf the editors of the JED find out that there is a security issue with an extension, they will remove it. Example: FireboardThey won't run on 1.5.1.0 extensions were removed last summer
- Example: joomlauggoogle group
- Which Joomla release is it forDoes it have the features & functionality that we need
- What was the last release date? Is it within the last year?Is it a “stable” release? Alpha, beta & RC (release candidates) still have bugs to be worked outAre there any know security issues?
- Does the developer support the extensionIs there community support
- Which release - caveat about 1.5 legacyDo you have to change permissions for it to install or use itIf you have to change folders/files to 777, that’s a security issueIdeally your site should work with folders at 755 and files at 655 (check this)If you have problems with standard programs at that level you might need to activate the FTP layer. Only activate the FTP layer if necessary. This overcomes issues of "ownership" in some host settings without needing to set permissions at 777.If the extension won't work with the ftp layer, then in those host settings you would have to set files/folders at 777 which is a security issue.So sometimes an extension can be run safely on one site and can't be run safely in another because of lack of support for this featureDoes it kill kittens?ok to "override", not ok to change or hackIs it encrypted?Being encrypted doesn't make an extension insecure, but it does limit your ability (or anyone else's) to evaluate the code for security. If you have to have IonCube and Zend Optimizer on your server for the extension to run, then that's a sign that it's encrypted. Is it written in "MVC" structure?This is a modern programming technique that is used by Joomla. If an extension is written to take advantage of Joomla, it will be written this way. This is part of what allows for template overrides to work, for example. It also means that the extension is more likely to be written in a way that will allow it to work with future releases without major modifications.Ability to work with templates. Is there an index.html file in every folder?JEXEC or dieall the php files should have a JEXEC or die line at the top. It's usually just after the header comments.
- How long has it been around and when was it last updated
- What is the license?Is it free?If not free, do you buy the extension or a subscriptionTerms of use
- MVC StructureTypical component MVC structure: (move some of this to how do we find it?)com_cowscontrollersmodelsviewscowtmplcategorytmplTypical module MVC structuremod_cowstmplFolder structure is more of an indication than a hard and fast rule because it's more complex than what I'm showing.Index.html in each folderJEXEC or die