fix(oauth2) Issue with application/json GET requests #1773
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Hello Kong maintainers,
Side note -- I've tried to be a good open source citizen, but getting a Kong development environment turned out to be too time consuming for this project, therefore I can't provide tests for this PR, besides my word that it's working for us.
Summary
We've noticed an issue in the OAuth2 plugin that would return a server error on HTTP GET requests of content-type application/json. This commit fixes it.
Full changelog
Issues resolved
GET requests can come through with a content-type of 'application/json',
but will lack a body. The existing code will break on this case, by
trying to parse a body that doesn't exist -- this commit adds the
condition that the body must exist before we try parsing it.