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POOAuth 2.0 access token isn't refreshed, gives 401 Error : Token Invalid when used
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  1. POOAuth 2.0 access token isn't refreshed, gives 401 Error : Token Invalid when used
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    copied!<p>I am currently using the Youtube API for a desktop application in C++. I am trying to implement the direct upload, which requires an authentication. I naturally choose OAuth 2.0, I followed the <a href="https://developers.google.com/youtube/2.0/developers_guide_protocol_oauth2#OAuth2_Installed_Applications_Flow" rel="nofollow">Google example</a> and apparently everything worked well, I've got an access token and a refresh token, without any error returned.</p> <p>However, when I try to use the access token to upload a video (I put it in the <code>Authorization : Bearer</code> header), I get an error <code>401 : Unauthorized</code> with the description <code>Token Invalid</code>.</p> <p>I then tried to refresh the access token right before requesting the upload (which means I try to refresh right after retrieving the access token, since the two operations are consecutive in my application's flow). The access token remained unchanged : <strong>I received the same access token from the refresh request and the exchange request</strong>.</p> <p>I first thought it meant an access token should be refreshed only when it expires, but it is apparently not true : using the <a href="https://developers.google.com/oauthplayground/" rel="nofollow">OAuth 2.0 Playground</a>, it seems clear that refreshing a not yet expired token works fine and gives a different access token.</p> <p>Any idea on what the problem could be ? Is the 401 error linked to the fact that I am not able to refresh the token ?</p> <p>Edit : Here are the request and the response as shown in Fiddler</p> <p>Request :</p> <pre><code>POST http://uploads.gdata.youtube.com/feeds/api/users/default/uploads HTTP/1.1 Accept: */* Accept-Language: xx Authorization: Bearer MY_ACCESS_TOKEN GData-Version: 2 X-GData-Key: key=MY_DEV_KEY Slug: test.avi Content-Type: multipart/related; boundary="f93dcbA3" Pragma: no-cache User-Agent: SOME_STUFF Host: uploads.gdata.youtube.com Content-Length: 23686 Connection: Keep-Alive --f93dcbA3 Content-Type: application/atom+xml; charset=UTF-8 &lt;?xml version="1.0"?&gt;&lt;entry xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" xmlns:yt="http://gdata.youtube.com/schemas/2007"&gt;&lt;media:group&gt;&lt;media:title type="plain"&gt;Bad Wedding Toast&lt;/media:title&gt;&lt;media:description type="plain"&gt;I gave a bad toast at my friend's wedding.&lt;/media:description&gt;&lt;media:category scheme="http://gdata.youtube.com/schemas/2007/categories.cat"&gt;People&lt;/media:category&gt;&lt;media:keywords&gt;toast, wedding&lt;/media:keywords&gt;&lt;/media:group&gt;&lt;/entry&gt; --f93dcbA3 Content-Type: video/avi Content-Transfer-Encoding: binary &lt;My file binary data&gt; --f93dcbA3-- </code></pre> <p>Response</p> <pre><code>HTTP/1.1 401 Unauthorized X-GData-User-Country: FR WWW-Authenticate: Bearer realm="https://accounts.google.com/o/oauth2/auth",service="youtube" Content-Type: text/html; charset=UTF-8 Content-Length: 13 X-GUploader-UploadID: AEnB2UrVDA94Fk5VFn1ng-2q9VFOo2KifLvIEHFOxQ4m66IUSC8sRf3mo5S8UH94mLyupbfANeLQvxMPhPLo6L0wlcaguQW9CQ Date: Wed, 17 Jul 2013 09:51:23 GMT Server: HTTP Upload Server Built on Jul 8 2013 15:32:26 (1373322746) Token invalid </code></pre> <p>Edit 2 : Request and response using Youtube API v3</p> <p>Request :</p> <pre><code>POST /upload/youtube/v3/videos?part="snippet" HTTP/1.1 Host: www.googleapis.com X-gdata-key: DEV_KEY Content-length: 42190 Content-type: multipart/related; boundary="===============1679429526==" Authorization: ACCESS_TOKEN --===============1679429526== Content-type: application/json { "snippet": { "title": "test" } } --===============1679429526== Content-type: video/avi &lt;BINARY DATA - 41984B&gt; --===============1679429526==-- </code></pre> <p>Response :</p> <pre><code>HTTP/1.1 400 Bad Request Content-length: 229 Via: HTTP/1.1 GWA X-google-cache-control: remote-fetch Server: HTTP Upload Server Built on Jul 8 2013 15:32:26 (1373322746) Date: Wed, 17 Jul 2013 22:14:03 GMT Content-type: application/json { "error": { "errors": [ { "domain": "global", "reason": "badContent", "message": "Unsupported content with type: video/avi" } ], "code": 400, "message": "Unsupported content with type: video/avi" } } </code></pre>
 

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