UWash Hack U - Y!OS

Yahoo! Open Strategy (Y!OS) Jonathan LeBlanc – Sr. Software Engineer / Tech Evangelist Yahoo! Developer Network – Partner Integrations February 19, 2009

Yahoo! Open Strategy (Y!OS)

Underlying social platform

Unified profile system

Updates across Yahoo!

Rich connections

Y!OS Establishes a Social Dimension

Y!OS: Social APIs

Open application system

Tie in core APIs

Allow rich services on and off Yahoo!

Y!OS Enables Open Application Development

Yahoo! Application Platform

Open applications (run on YAP)

OAuth applications (run on your site)

http://developer.yahoo.com/yap

Y!OS Applications

Y!OS: Open Applications

Richly social infrastructure/ platform changes

Developer opportunities across Yahoo! and the web

Reaching 500M users using Yahoo! technologies

Y!OS Rewires Yahoo!

Y!OS Components How does it work?

Y!OS Components – Open Authentication (OAuth)

2-legged & 3-legged OAuth

Consumer / Shared Secret keys

Similar to proprietary BBAuth, but open standard

http://developer.yahoo.com/oauth/

Allows secured access to private data

Can use ‘me’ and ‘viewer’ keywords

Will begin integrating into OSML

http://developer.yahoo.com/yap/yml

Y!OS Components – Yahoo Markup Language (YML)

Social Directory (read)

Contacts (read)

User Status (read / write)

Updates (read / write)

http://developer.yahoo.com/social

Y!OS Components – Social APIs

HTML / CSS / JavaScript securer

Enforces standards

Includes JSLint (http://www.jslint.com)

One of the first to integrate Caja

http://code.google.com/p/google-caja

http://developer.yahoo.com/yap/guide/caja-support.html

Y!OS Components – Caja

PHP SDK Currently Available Open and OAuth Applications ActionScript 3 SDK Currently Available Open Applications Java SDK in Development Open and OAuth Applications Y!OS Components – SDKs

SQL-like syntax

Private / Public Data

Use of many YDN APIs

Captures external data feeds

Allows custom tables with the “Open Data Tables” feature

http://developer.yahoo.com/yql

Y!OS Components – Yahoo! Query Language (YQL)

YAP Applications How do I get started?

Runs on YAP

Supports 2- & 3- legged OAuth

Supports OpenSocial 0.8 JavaScript APIs

Open Applications

Open Application - Views Small View Large View

Open Application – Small View

Open Application – Large View

http://developer.yahoo.com/dashboard

Runs off platform

Supports 2- & 3-legged OAuth

Does not contain views

Requires users to authenticate session

OAuth Applications

YAP Code Dive What can you do with YAP?

YAP Code Dive PHP SDK

Used For: - Public user data and open APIs PHP SDK – 2-Legged OAuth Initialization

Used For:

Private data access

PHP SDK – 3-Legged OAuth Initialization

3-Legged OAuth getSessionedUser (session) getOwner (session) getUser (session) query (session) getPresence (user) setPresence (user) listUpdates (user) listConnectionUpdates (user) insertUpdate (user) deleteUpdate (user) loadProfile (user) getConnections (user) getContacts (user) setSmallView (user) 2-Legged OAuth setSmallView (application) query (application) PHP SDK – Available Methods

PHP SDK – Create a User Update

PHP SDK – Set the Status of a User

YAP Code Dive Yahoo! Markup Language (YML)

YML Tags (Large View) yml:a yml:ad yml:audio yml:form yml:friend-selector yml:if-env yml:message yml:name yml:profile-pic yml:pronoun yml:share yml:swf yml:user-badge YML Lite Tags (Small View) yml:a yml:audio yml:form yml:if-env yml:name yml:profile-pic yml:pronoun yml:user-badge YML – Available Tags

YML:A Tab Sample - Controller

YML:A Tab Sample – Tab Construction

YML:A Tab Sample - Product

YML:A Small View Update Sample

YAP Code Dive Yahoo! Query Language (YQL)

Projection - SELECT what FROM table - SELECT * FROM social.connections Local and Remote Filtering - SELECT what FROM table WHERE filter - SELECT * FROM social.profile WHERE guid = me Sub-selects - Joining Data - SELECT what FROM table WHERE fieldvalue IN (SELECT ...) - SELECT * FROM social.profile WHERE guid IN (SELECT guid FROM social.connections WHERE owner_guid=me) Local Paging Control - SELECT what FROM table WHERE filter LIMIT 10 OFFSET 50 - SELECT * FROM web.search WHERE query="madonna" LIMIT 3 OFFSET 10 Remove Table Size Control - SELECT what FROM table(0,500) WHERE condition - SELECT * FROM web.search(0,10) WHERE query="madonna" AND result.XXX = something YQL – Query Structure

YQL Command: SHOW tables YQL – Available Tables

YQL Command: DESC social.connections YQL – Table Contents

YQL – Running a Query

YQL – Output Types