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Don't freak out if we get a 403 from S3

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As far as we're concerned, not being able to access a file just means
the file is missing. Plus, AWS explicitly goes out of its way to
return a 403 if the file is missing and the requester doesn't have
permission to list the bucket.

Also getting rid of an old hack that Eelco said was only relevant
to an older AWS SDK.
This commit is contained in:
Daniel Peebles 2017-11-01 18:33:31 +01:00 committed by Dan Peebles
parent 1969f357b7
commit 3105679226
1 changed files with 2 additions and 2 deletions
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4
src/libstore/s3-binary-cache-store.cc
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@ -241,8 +241,8 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
auto & error = res.GetError();
if (error.GetErrorType() == Aws::S3::S3Errors::RESOURCE_NOT_FOUND
|| error.GetErrorType() == Aws::S3::S3Errors::NO_SUCH_KEY
|| (error.GetErrorType() == Aws::S3::S3Errors::UNKNOWN // FIXME
&& error.GetMessage().find("404") != std::string::npos))
// If bucket listing is disabled, 404s turn into 403s
|| error.GetErrorType() == Aws::S3::S3Errors::ACCESS_DENIED)
return false;
throw Error(format("AWS error fetching '%s': %s") % path % error.GetMessage());
}