Class: Roebe::GrantSuperuserRights

Inherits:
Base show all
Defined in:
lib/roebe/classes/grant_superuser_rights.rb

Overview

Roebe::GrantSuperuserRights

Constant Summary collapse

MODIFY_THIS_FILE =
#

MODIFY_THIS_FILE

#
'/etc/passwd'

Constants inherited from Base

Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N, Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#actions, #append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #complex_esystem, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkkhaki, #darkslateblue, #deeppink, #delete_symlink, #do_not_use_the_base_colours, #do_use_the_base_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #emphasis, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esteelblue, #etomato, #ewarn, #exit_program, #firebrick, #get_current_day, #get_current_month, #get_files_and_directories, #get_files_from, #get_german_name_for_this_weekday, #gold, #green, #grey, #hh_mm_ss, #hh_mm_ss_day_month_year, #home_dir?, #home_directory_of_user_x?, #infer_the_namespace, #internal_hash?, #is_a_directory?, #is_a_file?, #is_a_jpg_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_studium_available?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #le, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lightsteelblue, #lime, #limegreen, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumslateblue, #mediumspringgreen, #mediumturquoise, #mkdir_p, #mv, #n_days_in_this_month, #n_pages_in_this_pdf_file?, #namespace?, #no_file_exists_at, #ogrey, #olive, #olivedrab, #open_in_browser, #opne, #opnesystem, #opnn, #orange, #orchid, #orev, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #project_base_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #require_rescue, #reset_the_internal_hash, #return_all_directories_from_this_directory, #return_all_files_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #roebe_log_directory?, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #show_help, #silent_redirection?, #simp, #simple_esystem, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #string_italic, #swarn, #symlink, #teal, #temp_dir?, #to_camelcase, #to_counted_hash, #tomato, #touch, #try_to_require_the_beautiful_url_gem, #try_to_require_the_html_template, #try_to_require_the_open_gem, #try_to_require_the_program_information_gem, #try_to_require_the_xorg_buffer, #use_colours?, #verbose_truth, #weekday?, #word_wrap, #write_what_into, #yellow

Methods included from Base::CommandlineArguments

#append_onto_the_commandline_arguments, #clear_commandline_arguments, #commandline_arguments?, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #remove_hyphened_arguments_from_the_commandline_arguments, #return_commandline_arguments_with_leading_hyphens, #second_argument?, #set_commandline_arguments

Constructor Details

#initialize(commandline_arguments = nil, run_already = true) ⇒ GrantSuperuserRights

#

initialize

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 36

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  run if run_already
end

Class Method Details

.[](i = ARGV) ⇒ Object

#

Roebe::GrantSuperuserRights[]

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 138

def self.[](i = ARGV)
  new(i)
end

Instance Method Details

#main_file? ⇒ Boolean

#

main_file?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 65

def main_file?
  MODIFY_THIS_FILE
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 50

def reset
  super()
  infer_the_namespace
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 129

def run
  # run_usermod_command
  try_to_read_in_the_dataset_of_the_main_file
  try_to_find_the_proper_entry
end

#run_usermod_command ⇒ Object

#

run_usermod_command

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 122

def run_usermod_command
  esystem 'usermod -a -G root '+user_name?
end

#save_this_dataset(i) ⇒ Object

#

save_this_dataset

This method will store into the passwd file.

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 115

def save_this_dataset(i)
  write_what_into(i, main_file?)
end

#try_to_find_the_proper_entry ⇒ Object

#

try_to_find_the_proper_entry

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 88

def try_to_find_the_proper_entry
  user_input = user_input?
  if @dataset.any? {|line| line.include? user_input }
    opne 'The entry for '+sfancy(user_input)+' is included.'
    index = @dataset.find_index {|line|
      line.include? user_input
    }
    correct_line = @dataset[index] # <- This is the line that we are interested in.
    e 'The correct line is: '+sfancy(correct_line)
    splitted = correct_line.split(':')
    splitted[2] = '666'
    splitted[3] = '666'
    new_line = splitted.join(':')
    e 'The new line would be: '+sfancy(new_line)
    @dataset[index] = new_line
    save_this_dataset(@dataset)
  else
    opne 'The file at '+main_file?+' does not include '\
            'the user '+sfancy(user_input)+'.'
  end
end

#try_to_read_in_the_dataset_of_the_main_file ⇒ Object

#

try_to_read_in_the_dataset_of_the_main_file

#


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 72

def try_to_read_in_the_dataset_of_the_main_file
  _ = MODIFY_THIS_FILE
  if File.exist? _
    @dataset = File.readlines(_)
    opne 'Trying to read in data from the file '\
            '`'+sfile(_)+'` ... success.'
  else
    opne "No file exists at #{sfile(_)}. Thus, no modifications "\
            "can be made."
    exit
  end
end

#user_input? ⇒ Boolean Also known as: user_name?

#

user_input?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/grant_superuser_rights.rb', line 58

def user_input?
  first_argument?
end