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%META:TOPICPARENT{name="Ods"}% %TOC% ---+ OpenSocial API support ---++ APIs supported The ODS package contains OpenSocial data APIs about people and activities. Also it implements a login compatible with GBase which can be used to perform OpenSocial API calls requiring authentication. The implementation code is located in the opensocial.sql file from the ods package. ---++ Authentication The authentication is compatible with GBase <nowiki>ClientLogin</nowiki> username/password authentication. ---+++ REST API details * URI: http://&lt;cname>:&lt;port>/feeds/login ---+++Parameters * Uname - the ODS user account * Passwd - password ---+++Return * On success it will return: <verbatim> auth=NNNN </verbatim> where NNNN... is a security token and it matches a SID for login to ODS. * If authentication fails it will return: <verbatim> Error=BadAuthentication </verbatim> ---+++ Sample session <verbatim> $ curl -i "http://localhost/feeds/login?Uname=test&Passwd=secret" HTTP/1.1 200 OK Server: Virtuoso/05.00.3021 (Linux) i686-pc-linux-gnu VDB Connection: Keep-Alive Date: Wed, 14 Nov 2007 16:44:42 GMT Accept-Ranges: bytes Content-Type: text/plain; charset="ISO-8859-1" Content-Length: 38 auth=f305177cb1d9fbf409579250e944e980 </verbatim> ---++ People API The people API is implemented as described in http://code.google.com/apis/opensocial/docs/gdata/people/developers_guide_protocol.html The only difference is that personID is not a number but ODS user account. ---+++ Sample Session ---++++ Person data <verbatim> $ curl -i "http://localhost:8890/feeds/people/demo" HTTP/1.1 200 OK Server: Virtuoso/05.00.3021 (Linux) i686-pc-linux-gnu VDB Connection: Keep-Alive Date: Wed, 14 Nov 2007 16:49:27 GMT Accept-Ranges: bytes Content-Type: application/atom+xml; charset="ISO-8859-1" Content-Length: 1018 <entry xmlns="http://www.w3.org/2005/Atom" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005"> <id>http://localhost:8890/feeds/people/demo</id> <updated>2007-11-01T10:55:33.000+02:00</updated> <title>demo demo</title> <link rel="thumbnail" type="image/*" href="/DAV/home/demo/wa/images/me_avt.jpg"/> <link rel="alternate" type="text/html" href="http://localhost:8890/dataspace/person/demo"/> <link rel="self" type="application/atom+xml" href="http://localhost:8890/feeds/people/demo"/> <georss:where> <gml:Point xmlns:gml="http://www.opengis.net/gml"> <gml:pos>43.000000 25.000000</gml:pos> </gml:Point> </georss:where> <gd:extendedProperty name="lang" value="en-US"/> <gd:postalAddress label="Home"><![CDATA[ str. 123 apt. 45 New York USA ]]></gd:postalAddress> <gd:postalAddress label="Work"><![CDATA[ ]]></gd:postalAddress> <gd:phoneNumber label="Private" rel="http://schemas.google.com/g/2005#mobile">+359887563204</gd:phoneNumber> </entry> </verbatim> ---++++ Friends <verbatim> $ curl -i "http://localhost:8890/feeds/people/demo/friends" HTTP/1.1 200 OK Server: Virtuoso/05.00.3021 (Linux) i686-pc-linux-gnu VDB Connection: Keep-Alive Date: Wed, 14 Nov 2007 16:50:14 GMT Accept-Ranges: bytes Content-Type: application/atom+xml; charset="ISO-8859-1" Content-Length: 2104 <feed xmlns="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005"> <id>http://localhost:8890/feeds/people/demo/friends</id> <updated>2007-11-14T18:50:14.000+02:00</updated> <title>demo's Friends</title> <link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="http://localhost:8890/feeds/people/demo/friends"/> <link rel="self" type="application/atom+xml" href="http://localhost:8890/feeds/people/demo/friends"/> <author><name>demo</name></author> <entry xmlns="http://www.w3.org/2005/Atom" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005"> <id>http://localhost:8890/feeds/people/dav</id> <updated>2007-11-01T10:33:10.000+02:00</updated> <title>WebDAV System Administrator</title> <link rel="alternate" type="text/html" href="http://localhost:8890/dataspace/person/dav"/> <link rel="self" type="application/atom+xml" href="http://localhost:8890/feeds/people/dav"/> <georss:where> <gml:Point xmlns:gml="http://www.opengis.net/gml"> </gml:Point> </georss:where> <gd:extendedProperty name="lang" value="en-US"/> <gd:postalAddress label="Home"><![CDATA[ ]]></gd:postalAddress> <gd:postalAddress label="Work"><![CDATA[ ]]></gd:postalAddress> </entry> <entry xmlns="http://www.w3.org/2005/Atom" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005"> <id>http://localhost:8890/feeds/people/alice</id> <updated>2007-11-02T18:01:04.000+02:00</updated> <title>alice</title> <link rel="alternate" type="text/html" href="http://localhost:8890/dataspace/person/alice"/> <link rel="self" type="application/atom+xml" href="http://localhost:8890/feeds/people/alice"/> <georss:where> <gml:Point xmlns:gml="http://www.opengis.net/gml"> </gml:Point> </georss:where> <gd:extendedProperty name="lang" value="en-US"/> <gd:postalAddress label="Home"><![CDATA[ (Private Address), ]]></gd:postalAddress> <gd:postalAddress label="Work"><![CDATA[ ]]></gd:postalAddress> </entry> </feed> </verbatim> ---++ Activities API The activities API is implemented as described in http://code.google.com/apis/opensocial/docs/gdata/activities/developers_guide_protocol.html ---+++ Creating entries To create a new entry client must be authenticated first, then it issue a POST request to the activities feed an Atom based xml representation like : <verbatim> <atom:entry xmlns:atom="http://www.w3.org/2005/Atom"> <atom:updated>2007-10-29T19:00:51.574Z</atom:updated> <atom:category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/activities/2007#activities"/> <atom:title>I'm at work</atom:title> </atom:entry> </verbatim> The server will respond with entry containing atom:id element, below is a simple session for creating a new entry. The "ODS Auth" value is the sid value for the logged in user demo in ODS. <verbatim> curl -i -d "`cat act.xml`" -H "Authorization: ODS Auth=032a81d688a275910bd5ef31aff6d5ab" -H "Content-Type: application/atom+xml" "http://localhost:8890/activities/feeds/activities/user/demo/source/0" HTTP/1.1 201 Created Server: Virtuoso/05.00.3021 (Linux) i686-pc-linux-gnu VDB Connection: Keep-Alive Date: Thu, 15 Nov 2007 12:25:10 GMT Accept-Ranges: bytes Content-Type: application/atom+xml; charset="ISO-8859-1" Content-Length: 636 <entry xmlns="http://www.w3.org/2005/Atom"> <id>http://localhost:8890/activities/feeds/activities/user/demo/source/0/10</id> <updated>2007-11-15T14:25:10.000+02:00</updated> <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/activities/2007#activity"/> <title>I'm at work</title> <link rel="self" type="application/atom+xml" href="http://localhost:8890/activities/feeds/activities/user/demo/source/0/10"/> <link rel="edit" type="application/atom+xml" href="http://localhost:8890/activities/feeds/activities/user/demo/source/0/10"/> <received>2007-11-15T14:25:10.000+02:00</received> </entry> </verbatim> ---+++ Retrieving entries The feed retrieval is just a GET against user activities feed, e.g., <verbatim> GET http://localhost:8890/activities/feeds/activities/user/demo </verbatim> produces a Atom feed with users activities listed ---+++ Updating entries The update is similar to entry creation, but in this case the HTTP method must be PUT and the Atom entry must contain a valid atom:id, for example: <verbatim> <?xml version="1.0"?> <entry xmlns="http://www.w3.org/2005/Atom"> <id>http://localhost:8890/activities/feeds/activities/user/demo/source/12/8</id> <updated>2007-10-27T19:41:51.574Z</updated> <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/activities/2007#activity"/> <title>Another Edited title</title> <link rel="self" type="application/atom+xml" href="http://www.google.com/activities/feeds/activities/user/userID/source/sourceID/a1"/> <link rel="edit" type="application/atom+xml" href="http://www.google.com/activities/feeds/activities/user/userID/source/sourceID/a1"/> <received>2007-10-27T19:41:51.478Z</received> </entry> </verbatim> ---+++ Deleting entries It's the same as update, just in this case the HTTP method is DELETE. In cases where clients do not support PUT/DELETE , the X-HTTP-Method-Override HTTP header is supported; i.e., DELETE can be represented by : <verbatim> POST /url HTTP/1.1 X-HTTP-Method-Override: DELETE .... </verbatim> CategoryODS CategoryVirtuoso CategoryWebSite

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