我正在开发一个rails应用程序,在该应用程序中,我需要访问用户获取发布数据。我正在使用‘google api’创业板。我已经为用户设置了OmniAuth,以便对他们的DFP帐户进行身份验证,并根据google (https://developers.google.com/doubleclick-publishers/docs/authentication)存储刷新令牌。我不知道如何使用刷新令牌来访问DFP api。
我正试图进行如下所示的连接:
dfp = DfpApi::Api.new({
:authentication => {
:method => 'OAuth2',
:oauth2_client_id => GOOGLE_CLIENT_ID,
:oauth2_client_secret => GOOGLE_CLIENT_SECRET,
:user_agent => USER_AGENT,
:application_name => APP_NAME,
:oauth2_token => {
:refresh_token => GOOGLE_DFP_REFRESH_TOKEN
}
},
:service => {
:environment => 'PRODUCTION'
}
})
AnyTime之后,我尝试进行查询,得到以下错误:
DfpApi::V201411::UserService::ApiException: [AuthenticationError.AUTHENTICATION_FAILED @ ]
发布于 2015-01-22 06:38:37
不使用刷新令牌访问api,请使用access_token。打电话之前,我正在刷新access_token。
刷新您的令牌:
def refresh_access_token
refresh_token = self.refresh_token
google_refresh_url = "https://accounts.google.com/o/oauth2/token"
response = RestClient.post google_refresh_url, :grant_type => 'refresh_token', :refresh_token => refresh_token, :client_id => ENV['GOOGLE_CLIENT_ID'], :client_secret => ENV['GOOGLE_CLIENT_SECRET']
response_hashed = JSON.parse(response)
new_access_token = response_hashed['access_token']
self.save_new_access_token(new_access_token)
end
然后,OAuth DFP哈希应该如下所示:
@api = DfpApi::Api.new({
:authentication => {
:method => 'OAuth2',
:oauth2_client_id => ENV['GOOGLE_CLIENT_ID'],
:oauth2_client_secret => ENV['GOOGLE_CLIENT_SECRET'],
:application_name => ENV['GOOGLE_APP_NAME'],
:client_customer_id => google_dfp_credential.google_client_customer_id,
:network_code => google_dfp_credential.network_code,
:user_agent => ENV['GOOGLE_DFP_USER_AGENT'],
:oauth2_token => {
:access_token => google_dfp_credential.access_token,
},
},
:service => {
:environment => 'PRODUCTION'
}
})
user_agent是应用程序的唯一字符串,每次访问api时都应该是相同的。有关这方面的更多信息,请参见下面的链接:
http://googleadsdeveloper.blogspot.com/2013/11/please-set-user-agent-or-application.html
您还需要通过手动登录到dfp帐户,从您正在访问的dfp帐户获取network_code。据我所知,这不是通过OAuth身份验证返回的。有关如何获取network_code的更多信息,请参见下面链接中的步骤2:
https://developers.google.com/doubleclick-publishers/docs/start
https://stackoverflow.com/questions/27572108
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