PHP, OAuth, Web Services and YQL

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PHP, OAuth, Web Services and YQL - Presentation Transcript

  1. PHP, OAuth & Web Services By James Broad
  2. You will learn • How to authenticate a request using OAuth • How to use a PHP framework - CodeIgniter • How to retrieve web services using YQL
  3. Technologies covered • SVN • rsync • PHP • CodeIgniter
  4. Project : Search • Search a number of services using their Web Service API’s • Twitter • Flickr • Yahoo Search • Wikipedia
  5. YQL Yahoo Query Language
  6. YQL Console http://developer.yahoo.com/yql/console/
  7. SWEET! Now how do I make use of it?
  8. Copy the generated URL and go
  9. Nope. Soz, you need authentication In the flavour of OAuth
  10. What is OAuth? I will attempt to explain
  11. The problem http://www.flickr.com/photos/fabricio/2354662901/ http://www.flickr.com/photos/borkazoid/3219646418/ • http://adactio.com/journal/1357
  12. One Solution - OAuth
  13. OAuth Flow
  14. Demonstration • Manual 3 Leg OAuth process • http://carbonsilk.com/oauth/example/ client.php • Our example uses 2 Leg - no need for the user to leave the page but we only get access to public information.
  15. Getting Started • Getting our development environment set up • Obtaining our application keys • Covering the PHP code needed to run our application
  16. Development Environment • XAMPP - http://www.apachefriends.org/en/ xampp.html • CodeIgniter Framework • OAuth Library • CodeIgniter OAuth Classes
  17. Installing CodeIgniter svn checkout http://dev.ellislab.com/svn/CodeIgniter/trunk ~/ Sites/project_search
  18. Configuring CodeIgniter • Check it works http://localhost/ project_search/ • Can we have pretty URLs? Please? • change system/applications/config/config.php • $config['index_page'] = \"\"; • Add .htaccess file
  19. OAuth PHP Library • svn co http://oauth.googlecode.com/svn/ code/php ~/Sites/oauth/ • Copy OAuth.php to CodeIgniter Library - system/applications/libraries/ • Change line 369 of OAuth.php - Realm bug. Add realm as a parameter
  20. YQL / OAuth Classes I have been nice enough to pre-bake some classes for you
  21. YQL / OAuth Classes • system/application/libraries/yql_lib.php • Copy & Paste from http://gist.github.com/ 57536 • system/application/controllers/yql.php • Copy & Paste from http://gist.github.com/ 57535
  22. Obtaining Application Keys • Go to https://developer.yahoo.com/ dashboard/ and register a new OAuth application • One I made earlier: https:// developer.yahoo.com/dashboard/ success.html?key=xxx
  23. Configuring Our App • Open system/application/libraries/yql_lib.php • Add your OAuth key and secret
  24. Upload • We need to upload to the domain registered earlier for authentication • rsync -r --progress ~/Sites/project_search/ you@yoursite.com:~/public_html/ project_search/
  25. Review our framework code We look behind what has been installed - The CodeIgniter Libraries and controllers
  26. Live Code Time Adding a new query - Scraping the Finance news top stories and presenting them using a view and a controller
  27. Thanks! twitter.com/kulor carbonsilk.com

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