class Bundler::Fetcher::Downloader
Attributes
connection[R]
redirect_limit[R]
Public Class Methods
new(connection, redirect_limit)
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# File bundler/fetcher/downloader.rb, line 9 def initialize(connection, redirect_limit) @connection = connection @redirect_limit = redirect_limit end
Public Instance Methods
fetch(uri, headers = {}, counter = 0)
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# File bundler/fetcher/downloader.rb, line 14 def fetch(uri, headers = {}, counter = 0) raise HTTPError, "Too many redirects" if counter >= redirect_limit filtered_uri = URICredentialsFilter.credential_filtered_uri(uri) response = request(uri, headers) Bundler.ui.debug("HTTP #{response.code} #{response.message} #{filtered_uri}") case response when Gem::Net::HTTPSuccess, Gem::Net::HTTPNotModified response when Gem::Net::HTTPRedirection new_uri = Bundler::URI.parse(response["location"]) if new_uri.host == uri.host new_uri.user = uri.user new_uri.password = uri.password end fetch(new_uri, headers, counter + 1) when Gem::Net::HTTPRequestedRangeNotSatisfiable new_headers = headers.dup new_headers.delete("Range") new_headers["Accept-Encoding"] = "gzip" fetch(uri, new_headers) when Gem::Net::HTTPRequestEntityTooLarge raise FallbackError, response.body when Gem::Net::HTTPTooManyRequests raise TooManyRequestsError, response.body when Gem::Net::HTTPUnauthorized raise BadAuthenticationError, uri.host if uri.userinfo raise AuthenticationRequiredError, uri.host when Gem::Net::HTTPForbidden raise AuthenticationForbiddenError, uri.host when Gem::Net::HTTPNotFound raise FallbackError, "Gem::Net::HTTPNotFound: #{filtered_uri}" else message = "Gem::#{response.class.name.gsub(/\AGem::/, "")}" message += ": #{response.body}" unless response.body.empty? raise HTTPError, message end end
request(uri, headers)
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# File bundler/fetcher/downloader.rb, line 55 def request(uri, headers) validate_uri_scheme!(uri) filtered_uri = URICredentialsFilter.credential_filtered_uri(uri) Bundler.ui.debug "HTTP GET #{filtered_uri}" req = Gem::Net::HTTP::Get.new uri.request_uri, headers if uri.user user = CGI.unescape(uri.user) password = uri.password ? CGI.unescape(uri.password) : nil req.basic_auth(user, password) end connection.request(uri, req) rescue OpenSSL::SSL::SSLError raise CertificateFailureError.new(uri) rescue *HTTP_ERRORS => e Bundler.ui.trace e if e.is_a?(SocketError) || e.message.to_s.include?("host down:") raise NetworkDownError, "Could not reach host #{uri.host}. Check your network " \ "connection and try again." else raise HTTPError, "Network error while fetching #{filtered_uri}" \ " (#{e})" end end
Private Instance Methods
validate_uri_scheme!(uri)
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# File bundler/fetcher/downloader.rb, line 83 def validate_uri_scheme!(uri) return if /\Ahttps?\z/.match?(uri.scheme) raise InvalidOption, "The request uri `#{uri}` has an invalid scheme (`#{uri.scheme}`). " \ "Did you mean `http` or `https`?" end