65 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| module Hbc
 | |
|   module Verify
 | |
|     class Gpg
 | |
|       def self.me?(cask)
 | |
|         cask.gpg
 | |
|       end
 | |
| 
 | |
|       attr_reader :cask, :downloaded_path
 | |
| 
 | |
|       def initialize(cask, downloaded_path, command = Hbc::SystemCommand)
 | |
|         @command = command
 | |
|         @cask = cask
 | |
|         @downloaded_path = downloaded_path
 | |
|       end
 | |
| 
 | |
|       def available?
 | |
|         return @available unless @available.nil?
 | |
|         @available = self.class.me?(cask) && installed?
 | |
|       end
 | |
| 
 | |
|       def installed?
 | |
|         cmd = @command.run("/usr/bin/type",
 | |
|                            args: ["-p", "gpg"])
 | |
| 
 | |
|         # if `gpg` is found, return its absolute path
 | |
|         cmd.success? ? cmd.stdout : false
 | |
|       end
 | |
| 
 | |
|       def fetch_sig(force = false)
 | |
|         unversioned_cask = cask.version.is_a?(Symbol)
 | |
|         cached = cask.metadata_subdir("gpg") unless unversioned_cask
 | |
| 
 | |
|         meta_dir = cached || cask.metadata_subdir("gpg", :now, true)
 | |
|         sig_path = meta_dir.join("signature.asc")
 | |
| 
 | |
|         curl(cask.gpg.signature, "-o", sig_path.to_s) unless cached || force
 | |
| 
 | |
|         sig_path
 | |
|       end
 | |
| 
 | |
|       def import_key
 | |
|         args = if cask.gpg.key_id
 | |
|                  ["--recv-keys", cask.gpg.key_id]
 | |
|                elsif cask.gpg.key_url
 | |
|                  ["--fetch-key", cask.gpg.key_url.to_s]
 | |
|                end
 | |
| 
 | |
|         @command.run!("gpg", args: args)
 | |
|       end
 | |
| 
 | |
|       def verify
 | |
|         return unless available?
 | |
|         import_key
 | |
|         sig = fetch_sig
 | |
| 
 | |
|         ohai "Verifying GPG signature for #{cask}"
 | |
| 
 | |
|         @command.run!("gpg",
 | |
|                       args:         ["--verify", sig, downloaded_path],
 | |
|                       print_stdout: true)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| end
 | 
