This unifies the methods to obtain the X-Forwarded-* header values and provides logical fallbacks. In addition, so we can ensure this functionality extends to the templated files we've converted the ServeTemplatedFile method into a function that operates as a middlewares.RequestHandler.
Fixes#2765
* refactor(handlers): lower case error messages
also refactor verifyAuth function to detect malicious activity both with session
cookie and authorization header.
* refacto(handlers): simplify error construction
* fix(handlers): check prefix in authorization header to determine auth method
* fix(handlers): determining the method should be done with headers instead of query arg
* refacto(handlers): rollback changes of verifyAuth
* don't lowercase log messages
* Apply suggestions from code review
Make sure logger errors are not lowercased.
* fix: uppercase logger errors and remove unused param
* Do not lowercase logger errors
* Remove unused param targetURL
* Rename url variable to not conflict with imported package
Co-authored-by: Amir Zarrinkafsh <nightah@me.com>
* added regulation validator
* made regulations find_time and ban_time values duration notation strings
* added DefaultRegulationConfiguration for the validator
* made session expiration and inactivity values duration notation strings
* TOTP period does not need to be converted because adjustment should be discouraged
* moved TOTP defaults to DefaultTOTPConfiguration and removed the consts
* arranged the root config validator in configuration file order
* adjusted tests for the changes
* moved duration notation docs to root of configuration
* added references to duration notation where applicable
* project wide gofmt and goimports:
* run gofmt
* run goimports -local github.com/authelia/authelia -w on all files
* Make jwt_secret error uniform and add tests
* now at 100% coverage for internal/configuration/validator/configuration.go
