/usr/lib/ruby/1.9.1/oauth/oauth.rb is in liboauth-ruby1.9.1 0.4.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | module OAuth
# request tokens are passed between the consumer and the provider out of
# band (i.e. callbacks cannot be used), per section 6.1.1
OUT_OF_BAND = "oob"
# required parameters, per sections 6.1.1, 6.3.1, and 7
PARAMETERS = %w(oauth_callback oauth_consumer_key oauth_token
oauth_signature_method oauth_timestamp oauth_nonce oauth_verifier
oauth_version oauth_signature oauth_body_hash)
# reserved character regexp, per section 5.1
RESERVED_CHARACTERS = /[^a-zA-Z0-9\-\.\_\~]/
end
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