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Iterate over ranges correctly for encryped files
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Authored by epriestley on Apr 5 2017, 1:35 PM.

Details

Summary

Fixes T12079. Currently, when a file is encrypted and a request has "Content-Range", we apply the range first, then decrypt the result. This doesn't work since you can't start decrypting something from somewhere in the middle (at least, not with our cipher selection).

Instead: decrypt the result, then apply the range.

Test Plan

Added failing unit tests, made them pass

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Event Timeline

This revision is now accepted and ready to land.Apr 5 2017, 4:35 PM
This revision was automatically updated to reflect the committed changes.