132 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| require 'rubygems/package'
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| require_relative '../../config/boot'
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| require_relative '../../config/environment'
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| require_relative 'cli_helper'
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| 
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| module Mastodon
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|   class IpBlocksCLI < Thor
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|     def self.exit_on_failure?
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|       true
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|     end
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| 
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|     option :severity, required: true, enum: %w(no_access sign_up_requires_approval), desc: 'Severity of the block'
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|     option :comment, aliases: [:c], desc: 'Optional comment'
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|     option :duration, aliases: [:d], type: :numeric, desc: 'Duration of the block in seconds'
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|     option :force, type: :boolean, aliases: [:f], desc: 'Overwrite existing blocks'
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|     desc 'add IP...', 'Add one or more IP blocks'
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|     long_desc <<-LONG_DESC
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|       Add one or more IP blocks. You can use CIDR syntax to
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|       block IP ranges. You must specify --severity of the block. All
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|       options will be copied for each IP block you create in one command.
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| 
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|       You can add a --comment. If an IP block already exists for one of
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|       the provided IPs, it will be skipped unless you use the --force
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|       option to overwrite it.
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|     LONG_DESC
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|     def add(*addresses)
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|       if addresses.empty?
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|         say('No IP(s) given', :red)
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|         exit(1)
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|       end
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| 
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|       skipped   = 0
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|       processed = 0
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|       failed    = 0
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| 
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|       addresses.each do |address|
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|         ip_block = IpBlock.find_by(ip: address)
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| 
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|         if ip_block.present? && !options[:force]
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|           say("#{address} is already blocked", :yellow)
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|           skipped += 1
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|           next
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|         end
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| 
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|         ip_block ||= IpBlock.new(ip: address)
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| 
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|         ip_block.severity   = options[:severity]
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|         ip_block.comment    = options[:comment]
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|         ip_block.expires_in = options[:duration]
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| 
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|         if ip_block.save
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|           processed += 1
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|         else
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|           say("#{address} could not be saved", :red)
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|           failed += 1
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|         end
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|       end
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| 
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|       say("Added #{processed}, skipped #{skipped}, failed #{failed}", color(processed, failed))
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|     end
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| 
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|     option :force, type: :boolean, aliases: [:f], desc: 'Remove blocks for ranges that cover given IP(s)'
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|     desc 'remove IP...', 'Remove one or more IP blocks'
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|     long_desc <<-LONG_DESC
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|       Remove one or more IP blocks. Normally, only exact matches are removed. If
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|       you want to ensure that all of the given IP addresses are unblocked, you
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|       can use --force which will also remove any blocks for IP ranges that would
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|       cover the given IP(s).
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|     LONG_DESC
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|     def remove(*addresses)
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|       if addresses.empty?
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|         say('No IP(s) given', :red)
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|         exit(1)
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|       end
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| 
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|       processed = 0
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|       skipped   = 0
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| 
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|       addresses.each do |address|
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|         ip_blocks = begin
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|           if options[:force]
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|             IpBlock.where('ip >>= ?', address)
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|           else
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|             IpBlock.where('ip <<= ?', address)
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|           end
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|         end
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| 
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|         if ip_blocks.empty?
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|           say("#{address} is not yet blocked", :yellow)
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|           skipped += 1
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|           next
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|         end
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| 
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|         ip_blocks.in_batches.destroy_all
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|         processed += 1
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|       end
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| 
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|       say("Removed #{processed}, skipped #{skipped}", color(processed, 0))
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|     end
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| 
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|     option :format, aliases: [:f], enum: %w(plain nginx), desc: 'Format of the output'
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|     desc 'export', 'Export blocked IPs'
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|     long_desc <<-LONG_DESC
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|       Export blocked IPs. Different formats are supported for usage with other
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|       tools. Only blocks with no_access severity are returned.
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|     LONG_DESC
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|     def export
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|       IpBlock.where(severity: :no_access).find_each do |ip_block|
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|         case options[:format]
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|         when 'nginx'
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|           puts "deny #{ip_block.ip}/#{ip_block.ip.prefix};"
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|         else
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|           puts "#{ip_block.ip}/#{ip_block.ip.prefix}"
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|         end
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|       end
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|     end
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| 
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|     private
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| 
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|     def color(processed, failed)
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|       if !processed.zero? && failed.zero?
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|         :green
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|       elsif failed.zero?
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|         :yellow
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|       else
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|         :red
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|       end
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|     end
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|   end
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| end
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