91 lines
3.1 KiB
Ruby
91 lines
3.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Bundler
|
|
class Fetcher
|
|
class Downloader
|
|
attr_reader :connection
|
|
attr_reader :redirect_limit
|
|
|
|
def initialize(connection, redirect_limit)
|
|
@connection = connection
|
|
@redirect_limit = redirect_limit
|
|
end
|
|
|
|
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 Net::HTTPSuccess, Net::HTTPNotModified
|
|
response
|
|
when 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 Net::HTTPRequestedRangeNotSatisfiable
|
|
new_headers = headers.dup
|
|
new_headers.delete("Range")
|
|
new_headers["Accept-Encoding"] = "gzip"
|
|
fetch(uri, new_headers)
|
|
when Net::HTTPRequestEntityTooLarge
|
|
raise FallbackError, response.body
|
|
when Net::HTTPTooManyRequests
|
|
raise TooManyRequestsError, response.body
|
|
when Net::HTTPUnauthorized
|
|
raise BadAuthenticationError, uri.host if uri.userinfo
|
|
raise AuthenticationRequiredError, uri.host
|
|
when Net::HTTPNotFound
|
|
raise FallbackError, "Net::HTTPNotFound: #{filtered_uri}"
|
|
else
|
|
raise HTTPError, "#{response.class}#{": #{response.body}" unless response.body.empty?}"
|
|
end
|
|
end
|
|
|
|
def request(uri, headers)
|
|
validate_uri_scheme!(uri)
|
|
|
|
filtered_uri = URICredentialsFilter.credential_filtered_uri(uri)
|
|
|
|
Bundler.ui.debug "HTTP GET #{filtered_uri}"
|
|
req = 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 NoMethodError => e
|
|
raise unless ["undefined method", "use_ssl="].all? {|snippet| e.message.include? snippet }
|
|
raise LoadError.new("cannot load such file -- openssl")
|
|
rescue OpenSSL::SSL::SSLError
|
|
raise CertificateFailureError.new(uri)
|
|
rescue *HTTP_ERRORS => e
|
|
Bundler.ui.trace e
|
|
if e.is_a?(SocketError) || e.message =~ /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
|
|
|
|
def validate_uri_scheme!(uri)
|
|
return if uri.scheme =~ /\Ahttps?\z/
|
|
raise InvalidOption,
|
|
"The request uri `#{uri}` has an invalid scheme (`#{uri.scheme}`). " \
|
|
"Did you mean `http` or `https`?"
|
|
end
|
|
end
|
|
end
|
|
end
|