> On Sep 6, 2016, at 11:40 AM, 'John Clements' via Racket Users 
> <[email protected]> wrote:
> 
> 
>> On Sep 6, 2016, at 11:19 AM, 'John Clements' via Racket Users 
>> <[email protected]> wrote:
>> 
>> I’m in the process of updating some old code that used the PLaneT version of 
>> aws to communicate with google cloud storage (yes, google cloud storage 
>> apparently uses the s3 protocol). Using the current aws package with Google 
>> Cloud Storage yields responses looking like this:
>> 
>> root@cp-test-class:/tmp# racket ./aws-script.rkt 
>> aws: HTTP/1.1 400 Bad Request
>> X-GUploader-UploadID: 
>> AEnB2UrulPLTOAcTyMyO_szDGocgmqOf4nmP3cmZwPQ--j3HGPyaLenL2eVxcM60nlkHy5n37KzEDzhSD3XXK3azWmcSy7v-rw
>> Content-Type: application/xml; charset=UTF-8
>> Content-Length: 211
>> Date: Tue, 06 Sep 2016 18:05:48 GMT
>> Expires: Tue, 06 Sep 2016 18:05:48 GMT
>> Cache-Control: private, max-age=0
>> Server: UploadServer
>> 
>> <?xml version='1.0' 
>> encoding='UTF-8'?><Error><Code>MissingSecurityHeader</Code><Message>Your 
>> request was missing a required header.</Message><Details>x-amz-date required 
>> for AWS S3 V4 signature</Details></Error>
>> HTTP 400 "Bad Request". AWS Code="MissingSecurityHeader" Message="Your 
>> request was missing a required header."
>> context...:
>>  check-response
>>  /usr/racket/collects/racket/contract/private/arrow-higher-order.rkt:344:33
>>  /root/.racket/6.6/pkgs/aws/aws/s3.rkt:272:42
>>  /usr/racket/collects/racket/contract/private/arrow-higher-order.rkt:340:33
>>  /usr/racket/collects/racket/contract/private/arrow-higher-order.rkt:340:33
>>  request/redirect/uri
>>  ...higher-order.rkt:340:33
>>  /root/.racket/6.6/pkgs/aws/aws/s3.rkt:259:2: loop
>>  ls
>>  /usr/racket/collects/racket/contract/private/arrow-higher-order.rkt:344:33
>>  /tmp/aws-script.rkt: [running body]
>> 
>> … and I’m trying to figure out whether 
>> a) google cloud storage changed (e.g., it now uses V4 signatures rather than 
>> V2 signatures or something), or
>> b) your aws code changed (e.g., it now uses V4 signatuers rather than V2 
>> signatures … or something).
>> 
>> Can you shed any light on this? I’m about to start digging into the meaning 
>> of the x-amz-date header.
>> 
>> Alternatively, I’d also love to hear about people currently using the aws 
>> package to interact with google cloud storage!
> 
> Sad face: I’ve done the obvious test—try running against the PLaneT 
> version—and the error is gone. This leads me to believe that upgrades to the 
> aws package have made it incompatible with google cloud storage.
> 
> Obvious fixes that I don’t like:
> 
> 1) stop using google cloud storage, starting using Amazon S3.
> 2) use the old PLaneT version instead of the shiny new pkg version.
> 
> Any other suggestions? 

Bleh… git bisected, and it does appear that the problem is the change to V4 
signatures, first seen in 9e1019a86426d5563417accc1ae9c7810110774d.

Sigh.

John



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