lib/common/dovecot_mailstore_plugin.rb

   1 require 'common/plugin'
   2
   3 module DovecotMailstorePlugin
   4   # Code that all DovecotMailstore plugins (Prune, Rm, Mv...) will
   5   # share.  That is, we implement the Plugin interface.
   6   include Plugin
   7
   8   def initialize
   9     cfg = Configuration.new()
  10     @domain_root = cfg.mail_root
  11   end
  12
  13   def describe_domain(domain)
  14     begin
  15       domain_path = get_domain_path(domain)
  16       return domain_path
  17     rescue NonexistentDomainError => e
  18       return "Doesn't exist: #{e.to_s}"
  19     end
  20   end
  21
  22   def describe_account(account)
  23     begin
  24       account_path = get_account_path(account)
  25       return account_path
  26     rescue NonexistentAccountError => e
  27       return "Doesn't exist: #{e.to_s}"
  28     end
  29   end
  30
  31
  32   protected;
  33
  34   def get_domain_path(domain)
  35     # Return the filesystem path for the given domain.
  36     # That is, the directory where its mail is stored.
  37     # Only works if the domain directory exists!
  38     domain_path = File.join(@domain_root, domain)
  39
  40     if File.directory?(domain_path)
  41       return domain_path
  42     else
  43       raise NonexistentDomainError.new(domain)
  44     end
  45   end
  46
  47
  48   def get_account_path(account)
  49     # Return the filesystem path of this account's mailbox.
  50     # Only works if the account exists!
  51     if not account.include?('@')
  52       raise InvalidAccountError.new("#{account}: Accounts must contain an '@' symbol.")
  53     end
  54
  55     account_parts = account.split('@')
  56     user_part = account_parts[0]
  57     domain_part = account_parts[1]
  58
  59     begin
  60       domain_path = get_domain_path(domain_part)
  61     rescue NonexistentDomainError
  62       raise NonexistentAccountError.new(account)
  63     end
  64
  65     account_path = File.join(domain_path, user_part)
  66
  67     if File.directory?(account_path)
  68       return account_path
  69     else
  70       raise NonexistentAccountError(account)
  71     end
  72   end
  73
  74 end