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-rw-r--r--actionpack/lib/action_controller/metal/http_authentication.rb38
1 files changed, 27 insertions, 11 deletions
diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index 283f6413ec..f50394837b 100644
--- a/actionpack/lib/action_controller/metal/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
@@ -384,6 +384,8 @@ module ActionController
#
# RewriteRule ^(.*)$ dispatch.fcgi [E=X-HTTP_AUTHORIZATION:%{HTTP:Authorization},QSA,L]
module Token
+ TOKEN_REGEX = /^Token /
+ AUTHN_PAIR_DELIMITERS = /(?:,|;|\t+)/
extend self
module ControllerMethods
@@ -431,20 +433,34 @@ module ActionController
# Returns an Array of [String, Hash] if a token is present.
# Returns nil if no token is found.
def token_and_options(request)
- if request.authorization.to_s[/^Token (.*)/]
- values = Hash[$1.split(',').map do |value|
- value.strip! # remove any spaces between commas and values
- key, value = value.split(/\=\"?/) # split key=value pairs
- if value
- value.chomp!('"') # chomp trailing " in value
- value.gsub!(/\\\"/, '"') # unescape remaining quotes
- [key, value]
- end
- end.compact]
- [values.delete("token"), values.with_indifferent_access]
+ authorization_request = request.authorization.to_s
+ if authorization_request[TOKEN_REGEX]
+ params = token_params_from authorization_request
+ [params.shift.last, Hash[params].with_indifferent_access]
end
end
+ def token_params_from(auth)
+ rewrite_param_values params_array_from raw_params auth
+ end
+
+ # Takes raw_params and turns it into an array of parameters
+ def params_array_from(raw_params)
+ raw_params.map { |param| param.split %r/=(.+)?/ }
+ end
+
+ # This removes the `"` characters wrapping the value.
+ def rewrite_param_values(array_params)
+ array_params.each { |param| param.last.gsub! %r/^"|"$/, '' }
+ end
+
+ # This method takes an authorization body and splits up the key-value
+ # pairs by the standardized `:`, `;`, or `\t` delimiters defined in
+ # `AUTHN_PAIR_DELIMITERS`.
+ def raw_params(auth)
+ auth.sub(TOKEN_REGEX, '').split /"\s*#{AUTHN_PAIR_DELIMITERS}\s*/
+ end
+
# Encodes the given token and options into an Authorization header value.
#
# token - String token.