AzCopy Includes `:` in Proxy-Authorization header when there is no password

[MRayermannMSFT]

Which version of the AzCopy was used?

Note: The version is visible when running AzCopy without any argument

10.10

Which platform are you using? (ex: Windows, Mac, Linux)

Windows

What command did you run?

Note: Please remove the SAS to avoid exposing your credentials. If you cannot remember the exact command, please retrieve it from the beginning of the log file.

Any command.

What problem was encountered?

Proxy environment variable (HTTP_PROXY) was not respected properly.

How can we reproduce the problem in the simplest way?

1. Use fiddler as a proxy
2. Set value of HTTP_PROXY to be like http://myUser@localhost:8888
3. Check the value of the proxy auth header

Expected: Proxy-Authorization: Basic bXlVc2Vy
Actual: Proxy-Authorization: Basic bXlVc2VyOg==

Have you found a mitigation/solution?

No. 😭

Additional context

This discovery comes while investigating this requirement from a customer of Azure Storage Explorer. See here: microsoft/AzureStorageExplorer#4430

[gapra-msft]

Hi @MRayermannMSFT are you still encountering this issue? If not, please feel free to close this issue.

[MRayermannMSFT]

Yes, I still see the :.

[gapra-msft]

Thank you for the quick response. We will work on getting this issue prioritized appropriately so it can be investigated and resolved.