Neal Richardson created ARROW-9859:
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Summary: [C++] S3 FileSystemFromUri with special char in secret
key fails
Key: ARROW-9859
URL: https://issues.apache.org/jira/browse/ARROW-9859
Project: Apache Arrow
Issue Type: Bug
Components: C++, Documentation, Python
Reporter: Neal Richardson
Fix For: 2.0.0
S3 Secret access keys can contain special characters like {{/}}. When they do
1) FileSystemFromUri will fail to parse the URI unless you URL-encode them
(e.g. replace / with %2F)
2) When you do escape the special characters, requests that require
authorization fail with the message "The request signature we calculated does
not match the signature you provided. Check your key and signing method." This
may suggest that there's some extra URL encoding/decoding that needs to happen
inside.
I was only able to work around this by generating a new access key that
happened not to have special characters.
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