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Zend_Captcha is designed to allow developers to quickly and easily implement captchas. While there should be several options so that developers can customise their captchas there should be a good default standard that is improved as advancements are made.
Audio captchas should be an option down the track.Zend Framework: Zend_Captcha Component Proposal
Proposed Component Name
Zend_Captcha
Developer Notes
http://framework.zend.com/wiki/display/ZFDEV/Zend_Captcha
Proposers
Steven Brown
Revision
0.1 - 8 January 2008: Created. (wiki revision: 5)
Table of Contents
1. Overview
2. References
3. Component Requirements, Constraints, and Acceptance Criteria
- This component will provide a means for developers to implement captcha.
- This component will default to the most "secure" captcha preferences.
- This component will allow developers to customise the captcha.
4. Dependencies on Other Framework Components
- Zend_Exception
5. Theory of Operation
The captcha image can be created as an object and output to the browser from an action. The captcha answer will be stored in a session namespace (or maybe custom storage options are allowed with a reference ID). Entered data can be compared against the captcha answer.
6. Milestones / Tasks
- Milestone 1: Definition.
- Milestone 2: Working prototype.
- Milestone 3: Unit tests exist, work, and are checked into SVN.
- Milestone 4: Initial documentation exists.
7. Class Index
- Zend_Captcha_Exception
- Zend_Captcha (factory class)
8. Use Cases
9. Class Skeletons
Zend_Captcha