[cc-devel] Having a problem with call to API "details"

Lisa Brooks lisa at issuelab.org
Mon Sep 20 11:28:17 EDT 2010


Yep - all is working now. Thanks so much!

Lisa M. Brooks
Co-director
IssueLab: bringing nonprofit research into focus - http://www.issuelab.org
lisa at issuelab.org
773-649-1790


On Mon, Sep 20, 2010 at 10:20 AM, Nathan Kinkade <
nkinkade at creativecommons.org> wrote:

> Hi Lisa,
>
> Nathan was right, the caching we set up wasn't working for POST
> requests, a product of the way that Varnish Cache handles POST data
> for caching (basically, it doesn't).  I have corrected the issue and
> your requests should be functioning as normal again.  Sorry about the
> service interruption, and that's for reporting it!
>
> Best,
>
> Nathan
>
> On Sun, Sep 19, 2010 at 8:18 PM, Lisa Brooks <lisa at issuelab.org> wrote:
> > Thank you! Explanation much appreciated.
> >
> > On Sun, Sep 19, 2010 at 3:02 PM, Nathan Yergler
> > <nathan at creativecommons.org> wrote:
> >> Hi Lisa,
> >>
> >> First, egads, sorry that you're having trouble. It appears from the
> >> code snippet and what you describe that the main difference between
> >> the calls that work and don't (from the browser and from your code)
> >> are GET vs. POST.  This leads me to believe that this is a bug we
> >> introduced on our end.
> >>
> >> We recently were facing some performance issues, so enabled caching
> >> for calls where that makes sense. I'm sure details was one of those
> >> (since when doing a GET, the result is the same no matter what). I
> >> suspect that for some reason the POST payload isn't making it through.
> >> Sigh.
> >>
> >> Nathan Kinkade (cc'd), can you look at the Varnish configuration and
> >> make sure POST calls to the API are getting passed through directly to
> >> the API?
> >>
> >> Thanks,
> >>
> >> Nathan
> >>
> >>
> >> On Fri, Sep 17, 2010 at 2:43 PM, Lisa Brooks <lisa at issuelab.org> wrote:
> >>> Hi there -
> >>>
> >>> We have been using the CC API with no problems for several months.
> >>> About a week ago we started having a problem with a call to "details".
> >>>
> >>> We save the URI of the CC license to our database and then use PHP and
> >>> cURL to do a post request to retrieve the appropriate text as needed.
> >>> Here's the code we've been using without a hitch for months:
> >>>
> >>> [code]
> >>> function getLicenseByURI($uri) // $uri eg.
> >>> http://creativecommons.org/licenses/by-nc-nd/3.0/us/
> >>> {
> >>>   $ch = curl_init('http://api.creativecommons.org/rest/1.5/details');
> >>>   curl_setopt($ch, CURLOPT_POST, TRUE);
> >>>   curl_setopt($ch, CURLOPT_POSTFIELDS, 'license-uri=' . $uri);
> >>>   curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
> >>>   $result = curl_exec($ch);
> >>>   curl_close($ch);
> >>>   return $result;
> >>> }
> >>> [/code]
> >>>
> >>> Now, rather than returning the license text, this code returns this
> >>> error message:
> >>>
> >>> <error>
> >>>   <id>missingparam</id>
> >>>   <message>A value for license-uri must be supplied.</message>
> >>> </error>
> >>>
> >>> I read in the instructions that "Errors occuring from either invalid
> >>> input or server-side problems are returned as an XML block, with an
> >>> <error> top level element."
> >>>
> >>> If I do a get by calling up
> >>>
> http://api.creativecommons.org/rest/1.5/details?license-uri=http://creativecommons.org/licenses/by-nc-nd/3.0/us/
> >>> in my browser, all works fine.
> >>>
> >>> I've tried changing the call to use 1.0, dev, staging -- nothing seems
> >>> to get the job done anymore.
> >>>
> >>> Appreciate any help anyone can offer! Thanks!
> >>> ~Lisa
> >>>
> >>> Lisa M. Brooks
> >>> Co-director
> >>> IssueLab: bringing nonprofit research into focus -
> http://www.issuelab.org
> >>> lisa at issuelab.org
> >>> 773-649-1790
> >>> _______________________________________________
> >>> cc-devel mailing list
> >>> cc-devel at lists.ibiblio.org
> >>> http://lists.ibiblio.org/mailman/listinfo/cc-devel
> >>>
> >>
> >
>
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