fix(webhooks): block root-dotted internal hosts - #60
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DNS allows a trailing root dot: 'localhost.' resolves identically to 'localhost', and 'metadata.google.internal.' to the metadata endpoint. The string comparisons missed these forms. Normalize by stripping a trailing dot before the internal-hostname checks. Fixes moshcoder#52
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DNS allows a trailing root dot: localhost. resolves identically to localhost, and metadata.google.internal. to the metadata endpoint. The string comparisons missed these forms. Normalize by stripping a trailing dot before the internal-hostname checks.
Fixes #52