Hi Burak, That's some great debugging skills! I'm glad you were able to figure out the root of the issue. Please file an issue <https://github.com/googleads/googleads-php-lib/issues> with the PHP client library if there is not already an issue on this.
Thanks, Nadine, AdWords API Team On Tuesday, December 13, 2016 at 3:35:06 PM UTC-5, Burak Karakan wrote: > > Little update, I think I found the root of the problem. > > I changed the code that makes the request in the original question with a > simple cURL POST call which is as follows: > > // Get the oAuth code. > $authCode = $request->code; > > $ch = curl_init(); > curl_setopt($ch, CURLOPT_URL,"https://accounts.google.com/o/oauth2/token";); > curl_setopt($ch, CURLOPT_POST, 1); > curl_setopt($ch, CURLOPT_POSTFIELDS, array( > 'code' => $authCode, > 'client_id' => $this->clientCredentials['client_id'], > 'client_secret' => $this->clientCredentials['client_secret'], > 'redirect_uri' => $this->callbackUrl, > 'grant_type' => 'authorization_code' > )); > > curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); > $server_output = curl_exec ($ch); > > curl_close ($ch); > > > > When I changed this, I got the following JSON response which is the same > error: > > { > "error" : "invalid_request" > } > > > Then I added the following lines to update the POST request headers: > > $headers = array( > 'Content-Type: application/x-www-form-urlencoded' > ); > curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); > > > And after this, I got the following JSON response, which had the error > description you mentioned: > > > { > "error" : "invalid_request", > "error_description" : "Required parameter is missing: grant_type" > } > > > > Then I did some googling, and found the solution to change the line of code > that sets the post fields I provided above with the method "http_build_query" > added to the post fields array. > > Complete code is this: > > > // Get the oAuth code. > $authCode = $request->code; > > $ch = curl_init(); > > curl_setopt($ch, CURLOPT_URL,"https://accounts.google.com/o/oauth2/token";); > curl_setopt($ch, CURLOPT_POST, 1); > curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array( > 'code' => $authCode, > 'client_id' => $this->clientCredentials['client_id'], > 'client_secret' => $this->clientCredentials['client_secret'], > 'redirect_uri' => $this->callbackUrl, > 'grant_type' => 'authorization_code' > ))); > > $headers = array( > 'Content-Type: application/x-www-form-urlencoded' > ); > > > curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); > curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); > $server_output = curl_exec ($ch); > > curl_close ($ch); > > > > After this change, I was able to get the tokens without any problem. > > I just changed the request method in order to fix this, I did not change > anything about my client credentials, and I also used the API example files > to test the previous cases and all were getting the "invalid_request" > response without any description, even if I test with native client > credentials. Therefore, I believe that the error may arise because of the > AdWords PHP client library. > > We did some checks and according to our commit history, we did not change > even a line in our previous method, which worked with the AdWords PHP > library methods flawlessly for months, then started to give the error > "invalid_request". I think there is something wrong with the PHP library, > and I would like to use the library methods instead of this cURL solution, > which is not well structured like the library methods. As soon as the error > is fixed, I would like to go back to my previous methods. > > I don't know if this is just for our case, but I hope it does not happen > to anybody else. > Looking forward to hear from you. > > Thanks, > Burak. > > > On Tuesday, December 13, 2016 at 1:17:45 AM UTC+3, Nadine Sundquist > (AdWords API Team) wrote: >> >> Hello Burak, >> >> Usually when there is an error in the PHP library where the error is >> invalid_request, there's also an error_description. Can you see if that's >> available? It will usually tell you what field is causing the issue such as >> 'missing required parameter'. That may help us narrow this down. >> >> Thanks, >> Nadine, AdWords API Team >> >> On Monday, December 12, 2016 at 7:51:03 AM UTC-5, Burak Karakan wrote: >>> >>> Hi Shwetha, any ideas on this? >>> >>> We are unable to run our system for approximately 5 days, any help would >>> be amazing. >>> >>> Thanks again. >>> >>> On Saturday, December 10, 2016 at 11:41:45 AM UTC+3, Burak Karakan wrote: >>>> >>>> Hi Shwetha, >>>> >>>> We are building a web app, therefore the credentials are for a web app. >>>> I always create the credentials using the link you provided. In order to >>>> try the examples, I created installed type credentials as well in order to >>>> test the example files, but I could not make them work either, got the >>>> same >>>> error. >>>> >>>> I created different clientID & secret couples but none of them worked. >>>> In the error stack, the error seems to be related to this call: >>>> >>>> at SimpleOAuth2Handler->MakeRequest(' >>>> https://accounts.google.com/o/oauth2/token', array('code' => >>>> 'my_auth_code_1234567', 'client_id' => ' >>>> my_client_id.apps.googleusercontent.com', 'client_secret' => >>>> 'my_client_secret', 'redirect_uri' => ' >>>> http://mydomain.com/auth/google/callback', 'grant_type' => >>>> 'authorization_code')) >>>> >>>> I don't know the working version of this call, therefore I don't know >>>> what is missing. I can try different things you advise. >>>> >>>> Thank you very much for your help. >>>> >>>> On Friday, December 9, 2016 at 9:36:27 PM UTC+3, Shwetha Vastrad >>>> (AdWords API Team) wrote: >>>>> >>>>> Hi Burak, >>>>> >>>>> Could you provide the steps you followed to create your OAuth2 >>>>> credentials and generate the refresh token? Could you also let me know if >>>>> you are using Installed application type credentials or web app type >>>>> credentials? The invalid_request error usually occurs if a required >>>>> parameter is missing from the OAuth2 request. >>>>> >>>>> Could you also try creating a new set of credentials by following the >>>>> instructions provided here >>>>> <https://developers.google.com/adwords/api/docs/guides/authentication#generate_oauth2_credentials> >>>>> and >>>>> let me know if it works? >>>>> >>>>> Thanks, >>>>> Shwetha, AdWords API Team. >>>>> >>>> -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and Google+: https://googleadsdeveloper.blogspot.com/ https://plus.google.com/+GoogleAdsDevelopers/posts =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. 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