get_proxy_from_env(scheme = 'http')
public
Returns a proxy URI for the given scheme
if one is set in the environment variables.
# File lib/rubygems/request.rb, line 164
def self.get_proxy_from_env(scheme = 'http')
_scheme = scheme.downcase
_SCHEME = scheme.upcase
env_proxy = ENV["#{_scheme}_proxy"] || ENV["#{_SCHEME}_PROXY"]
no_env_proxy = env_proxy.nil? || env_proxy.empty?
return get_proxy_from_env 'http' if no_env_proxy and _scheme != 'http'
return :no_proxy if no_env_proxy
uri = URI(Gem::UriFormatter.new(env_proxy).normalize)
if uri and uri.user.nil? and uri.password.nil?
user = ENV["#{_scheme}_proxy_user"] || ENV["#{_SCHEME}_PROXY_USER"]
password = ENV["#{_scheme}_proxy_pass"] || ENV["#{_SCHEME}_PROXY_PASS"]
uri.user = Gem::UriFormatter.new(user).escape
uri.password = Gem::UriFormatter.new(password).escape
end
uri
end