Feature #6546 » net.http.proxy_from_env.3.patch
lib/open-uri.rb (working copy) | ||
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end
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module URI
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class Generic
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# returns a proxy URI.
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# The proxy URI is obtained from environment variables such as http_proxy,
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# ftp_proxy, no_proxy, etc.
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# If there is no proper proxy, nil is returned.
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#
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# Note that capitalized variables (HTTP_PROXY, FTP_PROXY, NO_PROXY, etc.)
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# are examined too.
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#
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# But http_proxy and HTTP_PROXY is treated specially under CGI environment.
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# It's because HTTP_PROXY may be set by Proxy: header.
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# So HTTP_PROXY is not used.
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# http_proxy is not used too if the variable is case insensitive.
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# CGI_HTTP_PROXY can be used instead.
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def find_proxy
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name = self.scheme.downcase + '_proxy'
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proxy_uri = nil
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if name == 'http_proxy' && ENV.include?('REQUEST_METHOD') # CGI?
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# HTTP_PROXY conflicts with *_proxy for proxy settings and
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# HTTP_* for header information in CGI.
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# So it should be careful to use it.
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pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k }
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case pairs.length
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when 0 # no proxy setting anyway.
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proxy_uri = nil
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when 1
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k, _ = pairs.shift
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if k == 'http_proxy' && ENV[k.upcase] == nil
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# http_proxy is safe to use because ENV is case sensitive.
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proxy_uri = ENV[name]
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else
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proxy_uri = nil
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end
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else # http_proxy is safe to use because ENV is case sensitive.
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proxy_uri = ENV.to_hash[name]
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end
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if !proxy_uri
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# Use CGI_HTTP_PROXY. cf. libwww-perl.
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proxy_uri = ENV["CGI_#{name.upcase}"]
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end
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elsif name == 'http_proxy'
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unless proxy_uri = ENV[name]
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if proxy_uri = ENV[name.upcase]
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warn 'The environment variable HTTP_PROXY is discouraged. Use http_proxy.'
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end
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end
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else
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proxy_uri = ENV[name] || ENV[name.upcase]
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end
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if proxy_uri && self.hostname
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require 'socket'
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begin
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addr = IPSocket.getaddress(self.hostname)
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proxy_uri = nil if /\A127\.|\A::1\z/ =~ addr
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rescue SocketError
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end
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end
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if proxy_uri
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proxy_uri = URI.parse(proxy_uri)
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name = 'no_proxy'
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if no_proxy = ENV[name] || ENV[name.upcase]
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no_proxy.scan(/([^:,]*)(?::(\d+))?/) {|host, port|
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if /(\A|\.)#{Regexp.quote host}\z/i =~ self.host &&
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(!port || self.port == port.to_i)
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proxy_uri = nil
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break
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end
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}
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end
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proxy_uri
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else
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nil
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end
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end
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end
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class HTTP
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def buffer_open(buf, proxy, options) # :nodoc:
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OpenURI.open_http(buf, self, proxy, options)
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lib/uri/generic.rb (working copy) | ||
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return oth, self
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end
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# returns a proxy URI.
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# The proxy URI is obtained from environment variables such as http_proxy,
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# ftp_proxy, no_proxy, etc.
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# If there is no proper proxy, nil is returned.
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#
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# Note that capitalized variables (HTTP_PROXY, FTP_PROXY, NO_PROXY, etc.)
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# are examined too.
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#
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# But http_proxy and HTTP_PROXY is treated specially under CGI environment.
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# It's because HTTP_PROXY may be set by Proxy: header.
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# So HTTP_PROXY is not used.
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# http_proxy is not used too if the variable is case insensitive.
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# CGI_HTTP_PROXY can be used instead.
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def find_proxy
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name = self.scheme.downcase + '_proxy'
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proxy_uri = nil
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if name == 'http_proxy' && ENV.include?('REQUEST_METHOD') # CGI?
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# HTTP_PROXY conflicts with *_proxy for proxy settings and
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# HTTP_* for header information in CGI.
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# So it should be careful to use it.
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pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k }
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case pairs.length
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when 0 # no proxy setting anyway.
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proxy_uri = nil
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when 1
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k, _ = pairs.shift
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if k == 'http_proxy' && ENV[k.upcase] == nil
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# http_proxy is safe to use because ENV is case sensitive.
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proxy_uri = ENV[name]
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else
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proxy_uri = nil
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end
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else # http_proxy is safe to use because ENV is case sensitive.
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proxy_uri = ENV.to_hash[name]
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end
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if !proxy_uri
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# Use CGI_HTTP_PROXY. cf. libwww-perl.
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proxy_uri = ENV["CGI_#{name.upcase}"]
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end
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elsif name == 'http_proxy'
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unless proxy_uri = ENV[name]
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if proxy_uri = ENV[name.upcase]
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warn 'The environment variable HTTP_PROXY is discouraged. Use http_proxy.'
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end
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end
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else
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proxy_uri = ENV[name] || ENV[name.upcase]
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end
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if proxy_uri && self.hostname
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require 'socket'
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begin
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addr = IPSocket.getaddress(self.hostname)
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proxy_uri = nil if /\A127\.|\A::1\z/ =~ addr
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rescue SocketError
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end
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end
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if proxy_uri
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proxy_uri = URI.parse(proxy_uri)
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name = 'no_proxy'
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if no_proxy = ENV[name] || ENV[name.upcase]
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no_proxy.scan(/([^:,]*)(?::(\d+))?/) {|host, port|
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if /(\A|\.)#{Regexp.quote host}\z/i =~ self.host &&
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(!port || self.port == port.to_i)
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proxy_uri = nil
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break
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end
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}
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end
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proxy_uri
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else
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nil
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end
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end
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end
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end
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lib/net/http.rb (working copy) | ||
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#
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# === Proxies
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#
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# Net::HTTP::Proxy has the same methods as Net::HTTP but its instances always
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# connect via the proxy instead of directly to the given host.
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# Net::HTTP will automatically create a proxy from the +http_proxy+
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# environment variable if it is present. To disable use of +http_proxy+,
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# pass +nil+ for the proxy address.
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#
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# You may also create a custom proxy:
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#
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# proxy_addr = 'your.proxy.host'
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# proxy_port = 8080
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#
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# Net::HTTP::Proxy(proxy_addr, proxy_port).start('www.example.com') {|http|
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# # always connect to your.proxy.addr:8080
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# Net::HTTP.new('example.com', nil, proxy_addr, proxy_port).start { |http|
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# # always proxy via your.proxy.addr:8080
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# }
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#
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# Net::HTTP::Proxy returns a Net::HTTP instance when proxy_addr is nil so
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# there is no need for conditional code.
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#
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# See Net::HTTP::Proxy for further details and examples such as proxies that
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# See Net::HTTP.new for further details and examples such as proxies that
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# require a username and password.
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#
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# == HTTP Request Classes
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... | ... | |
http.start(&block)
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end
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class << HTTP
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alias newobj new
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end
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# Creates a new Net::HTTP object without opening a TCP connection or
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# HTTP session.
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# The +address+ should be a DNS hostname or IP address.
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# If +p_addr+ is given, creates a Net::HTTP object with proxy support.
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def HTTP.new(address, port = nil, p_addr = nil, p_port = nil, p_user = nil, p_pass = nil)
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Proxy(p_addr, p_port, p_user, p_pass).newobj(address, port)
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#
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# The +address+ should be a DNS hostname or IP address, the +port+ is the
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# port the server operates on. If no +port+ is given the default port for
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# HTTP or HTTPS is used.
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#
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# If none of the +p_+ arguments are given, the proxy host and port are
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# taken from the +http_proxy+ environment variable (or its uppercase
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# equivalent) if present. If the proxy requires authentication you must
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# supply it by hand. See URI::Generic#find_proxy for details of proxy
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# detection from the environment. To disable proxy detection set +p_addr+
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# to nil.
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#
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# If you are connecting to a custom proxy, +p_addr+ the DNS name or IP
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# address of the proxy host, +p_port+ the port to use to access the proxy,
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# and +p_user+ and +p_pass+ the username and password if authorization is
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# required to use the proxy.
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#
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def HTTP.new(address, port = nil, p_addr = :ENV, p_port = nil, p_user = nil, p_pass = nil)
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http = super address, port
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if proxy_class? then # from Net::HTTP::Proxy()
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http.proxy_from_env = @proxy_from_env
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http.proxy_address = @proxy_address
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http.proxy_port = @proxy_port
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http.proxy_user = @proxy_user
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http.proxy_pass = @proxy_pass
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elsif p_addr == :ENV then
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http.proxy_from_env = true
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else
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http.proxy_address = p_addr
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http.proxy_port = p_port
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http.proxy_user = p_user
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http.proxy_pass = p_pass
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end
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http
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end
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# Creates a new Net::HTTP object for the specified server address,
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... | ... | |
@read_timeout = 60
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@continue_timeout = nil
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@debug_output = nil
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@proxy_from_env = false
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@proxy_uri = nil
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@proxy_address = nil
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@proxy_port = nil
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@proxy_user = nil
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@proxy_pass = nil
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@use_ssl = false
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@ssl_context = nil
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@enable_post_connection_check = true
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... | ... | |
# The port number to connect to.
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attr_reader :port
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attr_writer :proxy_from_env
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attr_writer :proxy_address
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attr_writer :proxy_port
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attr_writer :proxy_user
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attr_writer :proxy_pass
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# Number of seconds to wait for the connection to open. Any number
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# may be used, including Floats for fractional seconds. If the HTTP
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# object cannot open a connection in this many seconds, it raises a
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... | ... | |
private :do_start
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def connect
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D "opening connection to #{conn_address()}..."
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if proxy? then
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conn_address = proxy_address
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conn_port = proxy_port
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else
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conn_address = address
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conn_port = port
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end
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D "opening connection to #{conn_address}..."
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s = Timeout.timeout(@open_timeout, Net::OpenTimeout) {
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TCPSocket.open(conn_address(), conn_port())
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TCPSocket.open(conn_address, conn_port)
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}
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D "opened"
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if use_ssl?
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... | ... | |
# no proxy
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@is_proxy_class = false
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@proxy_from_env = false
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@proxy_addr = nil
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@proxy_port = nil
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@proxy_user = nil
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... | ... | |
# Creates an HTTP proxy class which behaves like Net::HTTP, but
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# performs all access via the specified proxy.
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#
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# The arguments are the DNS name or IP address of the proxy host,
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# the port to use to access the proxy, and a username and password
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# if authorization is required to use the proxy.
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#
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# You can replace any use of the Net::HTTP class with use of the
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# proxy class created.
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#
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# If +p_addr+ is nil, this method returns self (a Net::HTTP object).
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#
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# # Example
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# proxy_class = Net::HTTP::Proxy('proxy.example.com', 8080)
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#
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# proxy_class.start('www.ruby-lang.org') {|http|
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# # connecting proxy.foo.org:8080
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# }
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#
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# You may use them to work with authorization-enabled proxies:
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#
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# proxy_host = 'your.proxy.example'
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# proxy_port = 8080
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# proxy_user = 'user'
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# proxy_pass = 'pass'
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#
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# proxy = Net::HTTP::Proxy(proxy_host, proxy_port, proxy_user, proxy_pass)
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# proxy.start('www.example.com') { |http|
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# # always connect to your.proxy.example:8080 using specified username
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# # and password
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# }
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#
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# Note that net/http does not use the HTTP_PROXY environment variable.
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# If you want to use a proxy, you must set it explicitly.
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#
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def HTTP.Proxy(p_addr, p_port = nil, p_user = nil, p_pass = nil)
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# This class is obsolete. You may pass these same parameters directly to
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# Net::HTTP.new. See Net::HTTP.new for details of the arguments.
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def HTTP.Proxy(p_addr = :ENV, p_port = nil, p_user = nil, p_pass = nil)
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return self unless p_addr
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delta = ProxyDelta
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proxyclass = Class.new(self)
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proxyclass.module_eval {
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include delta
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# with proxy
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Class.new(self) {
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@is_proxy_class = true
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@proxy_address = p_addr
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@proxy_port = p_port || default_port()
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@proxy_user = p_user
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@proxy_pass = p_pass
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if p_addr == :ENV then
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@proxy_from_env = true
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@proxy_address = nil
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@proxy_port = nil
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else
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@proxy_address = p_addr
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@proxy_port = p_port
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end
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@proxy_user = p_user
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@proxy_pass = p_pass
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}
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proxyclass
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end
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class << HTTP
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... | ... | |
attr_reader :proxy_pass
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end
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# True if self is a HTTP proxy class.
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# True if requests for this connection will be proxied
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def proxy?
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self.class.proxy_class?
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if @proxy_from_env then
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proxy_uri
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else
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@proxy_address
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end
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end
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# A convenience method for accessing value of proxy_address from Net::HTTP.
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# True if the proxy for this connection is determined from the environment
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def proxy_from_env?
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@proxy_from_env
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end
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# The proxy URI determined from the environment for this connection.
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def proxy_uri # :nodoc:
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@proxy_uri ||= URI("http://#{address}:#{port}").find_proxy
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end
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# The address of the proxy server, if one is configured.
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def proxy_address
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self.class.proxy_address
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if @proxy_from_env then
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proxy_uri.hostname
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else
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@proxy_address
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end
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end
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# A convenience method for accessing value of proxy_port from Net::HTTP.
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# The port of the proxy server, if one is configured.
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def proxy_port
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self.class.proxy_port
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if @proxy_from_env then
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proxy_uri.port
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else
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@proxy_port
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end
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end
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# A convenience method for accessing value of proxy_user from Net::HTTP.
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# The proxy username, if one is configured
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def proxy_user
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self.class.proxy_user
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@proxy_user
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end
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# A convenience method for accessing value of proxy_pass from Net::HTTP.
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# The proxy password, if one is configured
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def proxy_pass
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self.class.proxy_pass
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@proxy_pass
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end
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alias proxyaddr proxy_address #:nodoc: obsolete
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... | ... | |
private
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# without proxy
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# without proxy, obsolete
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def conn_address
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def conn_address # :nodoc:
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address()
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end
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def conn_port
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def conn_port # :nodoc:
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port()
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end
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def edit_path(path)
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path
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if proxy? and not use_ssl? then
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"http://#{addr_port}#{path}"
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else
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path
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end
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end
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#
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test/open-uri/test_open-uri.rb (working copy) | ||
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# 192.0.2.0/24 is TEST-NET. [RFC3330]
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def test_find_proxy
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assert_nil(URI("http://192.0.2.1/").find_proxy)
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assert_nil(URI("ftp://192.0.2.1/").find_proxy)
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with_env('http_proxy'=>'http://127.0.0.1:8080') {
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assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
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assert_nil(URI("ftp://192.0.2.1/").find_proxy)
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}
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with_env('ftp_proxy'=>'http://127.0.0.1:8080') {
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assert_nil(URI("http://192.0.2.1/").find_proxy)
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assert_equal(URI('http://127.0.0.1:8080'), URI("ftp://192.0.2.1/").find_proxy)
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}
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with_env('REQUEST_METHOD'=>'GET') {
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assert_nil(URI("http://192.0.2.1/").find_proxy)
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}
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with_env('CGI_HTTP_PROXY'=>'http://127.0.0.1:8080', 'REQUEST_METHOD'=>'GET') {
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assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
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}
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with_env('http_proxy'=>'http://127.0.0.1:8080', 'no_proxy'=>'192.0.2.2') {
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assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
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assert_nil(URI("http://192.0.2.2/").find_proxy)
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}
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end
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def test_find_proxy_case_sensitive_env
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with_env('http_proxy'=>'http://127.0.0.1:8080', 'REQUEST_METHOD'=>'GET') {
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assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
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}
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with_env('HTTP_PROXY'=>'http://127.0.0.1:8081', 'REQUEST_METHOD'=>'GET') {
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assert_nil(nil, URI("http://192.0.2.1/").find_proxy)
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}
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with_env('http_proxy'=>'http://127.0.0.1:8080', 'HTTP_PROXY'=>'http://127.0.0.1:8081', 'REQUEST_METHOD'=>'GET') {
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assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
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}
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end unless RUBY_PLATFORM =~ /mswin|mingw/
|
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def test_ftp_invalid_request
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assert_raise(ArgumentError) { URI("ftp://127.0.0.1/").read }
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assert_raise(ArgumentError) { URI("ftp://127.0.0.1/a%0Db").read }
|
test/uri/test_generic.rb (working copy) | ||
---|---|---|
URI::Generic.build2(path: "/foo bar/baz")
|
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URI::Generic.build2(['http', nil, 'example.com', 80, nil, '/foo bar' , nil, nil, nil])
|
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end
|
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# 192.0.2.0/24 is TEST-NET. [RFC3330]
|
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def test_find_proxy
|
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assert_nil(URI("http://192.0.2.1/").find_proxy)
|
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assert_nil(URI("ftp://192.0.2.1/").find_proxy)
|
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with_env('http_proxy'=>'http://127.0.0.1:8080') {
|
||
assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
|
||
assert_nil(URI("ftp://192.0.2.1/").find_proxy)
|
||
}
|
||
with_env('ftp_proxy'=>'http://127.0.0.1:8080') {
|
||
assert_nil(URI("http://192.0.2.1/").find_proxy)
|
||
assert_equal(URI('http://127.0.0.1:8080'), URI("ftp://192.0.2.1/").find_proxy)
|
||
}
|
||
with_env('REQUEST_METHOD'=>'GET') {
|
||
assert_nil(URI("http://192.0.2.1/").find_proxy)
|
||
}
|
||
with_env('CGI_HTTP_PROXY'=>'http://127.0.0.1:8080', 'REQUEST_METHOD'=>'GET') {
|
||
assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
|
||
}
|
||
with_env('http_proxy'=>'http://127.0.0.1:8080', 'no_proxy'=>'192.0.2.2') {
|
||
assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
|
||
assert_nil(URI("http://192.0.2.2/").find_proxy)
|
||
}
|
||
end
|
||
def test_find_proxy_case_sensitive_env
|
||
with_env('http_proxy'=>'http://127.0.0.1:8080', 'REQUEST_METHOD'=>'GET') {
|
||
assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
|
||
}
|
||
with_env('HTTP_PROXY'=>'http://127.0.0.1:8081', 'REQUEST_METHOD'=>'GET') {
|
||
assert_nil(nil, URI("http://192.0.2.1/").find_proxy)
|
||
}
|
||
with_env('http_proxy'=>'http://127.0.0.1:8080', 'HTTP_PROXY'=>'http://127.0.0.1:8081', 'REQUEST_METHOD'=>'GET') {
|
||
assert_equal(URI('http://127.0.0.1:8080'), URI("http://192.0.2.1/").find_proxy)
|
||
}
|
||
end unless RUBY_PLATFORM =~ /mswin|mingw/
|
||
def with_env(h)
|
||
begin
|
||
old = {}
|
||
h.each_key {|k| old[k] = ENV[k] }
|
||
h.each {|k, v| ENV[k] = v }
|
||
yield
|
||
ensure
|
||
h.each_key {|k| ENV[k] = old[k] }
|
||
end
|
||
end
|
||
end
|
test/net/http/test_http.rb (working copy) | ||
---|---|---|
require 'stringio'
|
||
require_relative 'utils'
|
||
class TestNetHTTP < Test::Unit::TestCase
|
||
def test_class_Proxy
|
||
no_proxy_class = Net::HTTP.Proxy nil
|
||
assert_equal Net::HTTP, no_proxy_class
|
||
proxy_class = Net::HTTP.Proxy 'proxy.example', 8000, 'user', 'pass'
|
||
refute_equal Net::HTTP, proxy_class
|
||
assert_operator proxy_class, :<, Net::HTTP
|
||
assert_equal 'proxy.example', proxy_class.proxy_address
|
||
assert_equal 8000, proxy_class.proxy_port
|
||
assert_equal 'user', proxy_class.proxy_user
|
||
assert_equal 'pass', proxy_class.proxy_pass
|
||
http = proxy_class.new 'example'
|
||
refute http.proxy_from_env?
|
||
end
|
||
def test_class_Proxy_from_ENV
|
||
clean_http_proxy_env do
|
||
ENV['http_proxy'] = 'http://proxy.example:8000'
|
||
# These are ignored on purpose. See Bug 4388 and Feature 6546
|
||
ENV['http_proxy_user'] = 'user'
|
||
ENV['http_proxy_pass'] = 'pass'
|
||
proxy_class = Net::HTTP.Proxy :ENV
|
||
refute_equal Net::HTTP, proxy_class
|
||
assert_operator proxy_class, :<, Net::HTTP
|
||
assert_nil proxy_class.proxy_address
|
||
assert_nil proxy_class.proxy_user
|
||
assert_nil proxy_class.proxy_pass
|
||
refute_equal 8000, proxy_class.proxy_port
|
||
http = proxy_class.new 'example'
|
||
assert http.proxy_from_env?
|
||
end
|
||
end
|
||
def test_edit_path
|
||
http = Net::HTTP.new 'example', nil, nil
|
||
edited = http.send :edit_path, '/path'
|
||
assert_equal '/path', edited
|
||
http.use_ssl = true
|
||
edited = http.send :edit_path, '/path'
|
||
assert_equal '/path', edited
|
||
end
|
||
def test_edit_path_proxy
|
||
http = Net::HTTP.new 'example', nil, 'proxy.example'
|
||
edited = http.send :edit_path, '/path'
|
||
assert_equal 'http://example/path', edited
|
||
http.use_ssl = true
|
||
edited = http.send :edit_path, '/path'
|
||
assert_equal '/path', edited
|
||
end
|
||
def test_proxy_address
|
||
http = Net::HTTP.new 'example', nil, 'proxy.example'
|
||
assert_equal 'proxy.example', http.proxy_address
|
||
end
|
||
def test_proxy_address_ENV
|
||
clean_http_proxy_env do
|
||
ENV['http_proxy'] = 'http://proxy.example:8000'
|
||
http = Net::HTTP.new 'example'
|
||
assert_equal 'proxy.example', http.proxy_address
|
||
end
|
||
end
|
||
def test_proxy_eh_no_proxy
|
||
clean_http_proxy_env do
|
||
refute Net::HTTP.new('example', nil, nil).proxy?
|
||
end
|
||
end
|
||
def test_proxy_eh_ENV
|
||
clean_http_proxy_env do
|
||
ENV['http_proxy'] = 'http://proxy.example:8000'
|
||
http = Net::HTTP.new 'example'
|
||
assert http.proxy?
|
||
end
|
||
end
|
||
def test_proxy_eh_ENV_none_set
|
||
clean_http_proxy_env do
|
||
refute Net::HTTP.new('example').proxy?
|
||
end
|
||
end
|
||
def test_proxy_eh_ENV_no_proxy
|
||
clean_http_proxy_env do
|
||
ENV['http_proxy'] = 'http://proxy.example:8000'
|
||
ENV['no_proxy'] = 'example'
|
||
refute Net::HTTP.new('example').proxy?
|
||
end
|
||
end
|
||
def test_proxy_port
|
||
http = Net::HTTP.new 'exmaple', nil, 'proxy.example', 8000
|
||
assert_equal 8000, http.proxy_port
|
||
end
|
||
def test_proxy_port_ENV
|
||
clean_http_proxy_env do
|
||
ENV['http_proxy'] = 'http://proxy.example:8000'
|
||
http = Net::HTTP.new 'example'
|
||
assert_equal 8000, http.proxy_port
|
||
end
|
||
end
|
||
def clean_http_proxy_env
|
||
orig = {
|
||
'http_proxy' => ENV['http_proxy'],
|
||
'http_proxy_user' => ENV['http_proxy_user'],
|
||
'http_proxy_pass' => ENV['http_proxy_pass'],
|
||
'no_proxy' => ENV['no_proxy'],
|
||
}
|
||
orig.each_key do |key|
|
||
ENV.delete key
|
||
end
|
||
yield
|
||
ensure
|
||
orig.each do |key, value|
|
||
ENV[key] = value
|
||
end
|
||
end
|
||
end
|
||
module TestNetHTTP_version_1_1_methods
|
||
def test_s_get
|
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