Data Export API + OAuth 2.0

[Ray West]

Hi there, I'm trying to figure out if it's possible to do API requests to the Data Export API using Oauth 2.0 authentication. Any help would be greatly appreciated.

[Jeetendra S.]

Yeah, in fact OAuth2.0 is the recommended auth mechanism. You can refer the documentation at http://code.google.com/apis/accounts/docs/OAuth2.html.

[Ray West]

HI, thanks for the reply. I have already gone through the OAuth2 specification and link you posted above. I was hoping that someone could point me to a working example of interfacing with both Analytics API and OAuth2 protocol. Thank you for any help.

[Leonardo Naressi]

Hi Ray, 

You can see a example of OAuth2 and Analytics API here:
https://code.google.com/apis/analytics/docs/mgmt/v3/mgmtPython.html

I've implemented this in one of my project and it works well. Of course you need a API Key and authorizations from API Console (https://code.google.com/apis/console/b/0/?pli=1)

But, this example uses the Management API, that only exposes the Account information and not the report data.
The Data Export API is currently in V2.4 and does not have a native way to support Oauth2 through GData (at least, in my tests, it didn't run)
Google is working on update all the APIs to the new model it's a matter of time to get a good and simple solution.

But, meanwhile, to make Oauth2 works with legacy GData and Analytics v1, v2.4, I managed to create a custom class that applies the OAuth2 Token to the http header used in older GData versions.

Take a look and how to do that. Youll need to get the access_token from the credentials object shown in the earlier example, and simply uses an modify_request method who add some headers to http request and it's called as a "callback" by the old gdata library.

This solutions is currently working on my own code. Check if it fits for your needs:

class OAuth2Token(object):
def __init__(self, access_token):
self.access_token = access_token

def modify_request(self, http_request): 
"""Modify the request headers to add the appropriate
Authorization header."""
if http_request.headers == None:
http_request.headers = {}
http_request.headers['authorization'] = 'OAuth ' + self.access_token
http_request.headers['GData-Version'] =  '2'

return http_request

analytics_client = gdata.analytics.client.AnalyticsClient(
source=SOURCE_APP_NAME,
auth_token=OAuth2Token(credentials.access_token))
data_query = gdata.analytics.client.DataFeedQuery({
       'ids': self.tableId,
       'start-date': oRange['startDate'].isoformat(),
       'end-date': oRange['endDate'].isoformat(),
       'dimensions': '',
       'metrics': ','.join(['ga:visitors',
'ga:percentNewVisits',
'ga:visits',
'ga:avgTimeOnSite',
'ga:pageviews',
'ga:entranceBounceRate',
'ga:pageviewsPerVisit',
'ga:goalCompletionsAll',
'ga:goalConversionRateAll']),
       'sort': '',
       'filters': '',
       'max-results': '50'})
data_feed = analytics_client.GetDataFeed(data_query)

I hope it helps you...

Leonardo Naressi
CIO

L...@digitalinc.com.br phone: +55 11 4082-0084 mobile: +55 11 7541-3217 skype: leonardonaressi twitter: @leonaressi

_________________________________________________________


Av. Nações Unidas, 12.495 - 3º Andar - Brooklin - São Paulo
www.digitalinc.com.br
@_digitalinc

On Thu, Nov 24, 2011 at 4:32 AM, Ray West <The....@gmail.com> wrote:

HI, thanks for the reply. I have already gone through the OAuth2 specification and link you posted above. I was hoping that someone could point me to a working example of interfacing with both Analytics API and OAuth2 protocol. Thank you for any help.

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