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\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # encoding: binary # Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2010-2025 Asynchronous B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Asynchronous B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. module PhusionPassenger # Utility functions. module Utils extend self # Make methods available as class methods. def self.included(klass) # When included into another class, make sure that Utils # methods are made private. public_instance_methods(false).each do |method_name| klass.send(:private, method_name) end end # Generate a long, cryptographically secure random ID string, which # is also a valid filename. def generate_random_id(method) data = File.open("/dev/urandom", "rb") do |f| f.read(64) end case method when :base64 data = base64(data) data.gsub!("+", '') data.gsub!("/", '') data.gsub!(/==$/, '') data when :hex data.unpack('H*')[0] else raise ArgumentError, "Invalid method #{method.inspect}" end end def retry_at_most(n, *exceptions) n.times do |i| begin return yield rescue *exceptions if i == n - 1 raise end end end end # Print the given exception, including the stack trace, to STDERR. # # +current_location+ is a string which describes where the code is # currently at. Usually the current class name will be enough. # It may be nil. # # This method requires 'ruby_core_enhancements'. If 'debug_logging' # is loaded and included in the current module, it will use that for # logging. def print_exception(current_location, exception, destination = nil) if !exception.is_a?(SystemExit) data = exception.backtrace_string(current_location) if defined?(DebugLogging) && self.is_a?(DebugLogging) error(data) else destination ||= STDERR destination.puts(data) destination.flush if destination.respond_to?(:flush) end end end # A wrapper around Thread.new that installs a default exception handler. # If an uncaught exception is encountered, it will immediately log the # exception and abort the entire program. # # Thread#abort_on_exception is also supposed to do that, but the problem # is that it is implemented by forwarding the uncaught exception # to the main thread, which may not expect that particular exception # and may not handle it properly. The exception could be forwarded to # the main thread during any point of the main thread's execution. # # This method requires 'thread' and 'ruby_core_enhancements'. # If 'debug_logging' is loaded and included in the current module, # it will use that for logging. def create_thread_and_abort_on_exception(*args) Thread.new do Thread.current.abort_on_exception = true begin yield(*args) rescue SystemExit raise rescue Exception => e print_exception(nil, e) PhusionPassenger.call_event(:unhandled_exception_before_exit, e) exit(1) end end end def get_socket_address_type(address) if address =~ %r{^unix:.} :unix elsif address =~ %r{^tcp://.} :tcp else :unknown end end def connect_to_server(address) case get_socket_address_type(address) when :unix UNIXSocket.new(address.sub(/^unix:/, '')) when :tcp host, port = address.sub(%r{^tcp://}, '').split(':', 2) port = port.to_i TCPSocket.new(host, port) else raise ArgumentError, "Unknown socket address type for '#{address}'." end end def local_socket_address?(address) case get_socket_address_type(address) when :unix true when :tcp host, port = address.sub(%r{^tcp://}, '').split(':', 2) host == "127.0.0.1" || host == "::1" || host == "localhost" else raise ArgumentError, "Unknown socket address type for '#{address}'." end end # Checks whether the given process exists. def process_is_alive?(pid) begin Process.kill(0, pid) true rescue Errno::ESRCH false rescue SystemCallError => e true end end def require_option(hash, key) if hash.has_key?(key) hash[key] else raise ArgumentError, "Option #{key.inspect} required" end end def install_options_as_ivars(object, options, *keys) keys.each do |key| object.instance_variable_set("@#{key}", options[key]) end end # Returns a base64 encoded string with