Begin building the framework to rename accounts. A pile of crap right now.

[mailshears.git] / lib / rm / plugins / dovecot_mailstore.rb

diff --git a/lib/rm/plugins/dovecot_mailstore.rb b/lib/rm/plugins/dovecot_mailstore.rb
new file mode 100644 (file)
index 0000000..7c2f021
--- /dev/null
+++ b/lib/rm/plugins/dovecot_mailstore.rb
@@ -0,0 +1,133 @@
+# Needed for rm_rf.
+require 'fileutils'
+
+require 'common/filesystem'
+require 'common/mailstore'
+require 'common/plugin'
+require 'rm/rm_plugin'
+
+class DovecotMailstore < Mailstore
+
+  include Plugin
+  include RmPlugin
+
+  def initialize
+    cfg = Configuration.new()
+    @domain_root = cfg.mail_root
+  end
+
+  def describe_domain(domain)
+    begin
+      domain_path = get_domain_path(domain)
+      return domain_path
+    rescue NonexistentDomainError => e
+      return "Doesn't exist: #{e.to_s}"
+    end
+  end
+
+  def describe_account(account)
+    begin
+      account_path = get_account_path(account)
+      return account_path
+    rescue NonexistentAccountError => e
+      return "Doesn't exist: #{e.to_s}"
+    end
+  end
+
+  def delete_domain(domain)
+    domain_path = self.get_domain_path(domain)
+    FileUtils.rm_rf(domain_path)
+  end
+
+  def delete_account(account)
+    account_path = self.get_account_path(account)
+    FileUtils.rm_rf(account_path)
+  end
+
+  def get_leftover_domains(db_domains)
+    # Get the list of domains according to the filesystem.
+    fs_domains = self.get_domains_from_filesystem()
+
+    # Return the list of domains on the filesystem that aren't in the DB.
+    return (fs_domains - db_domains)
+  end
+
+  def get_leftover_accounts(db_accounts)
+    # Get the list of accounts according to the filesystem.
+    fs_domains = self.get_domains_from_filesystem()
+    fs_accounts = self.get_accounts_from_filesystem(fs_domains)
+
+    # And return the accounts on the filesystem that aren't in the DB.
+    return (fs_accounts - db_accounts)
+  end
+
+  protected;
+
+  def get_domains_from_filesystem()
+    return Filesystem.get_subdirs(@domain_root)
+  end
+
+  def get_accounts_from_filesystem(domains)
+    accounts = []
+
+    domains.each do |domain|
+      begin
+        # Throws a NonexistentDomainError if the domain's path
+        # doesn't exist on the filesystem. In this case, we want
+        # to report zero accounts.
+        domain_path = get_domain_path(domain)
+        usernames = Filesystem.get_subdirs(domain_path)
+
+        usernames.each do |username|
+          accounts << "#{username}@#{domain}"
+        end
+      rescue NonexistentDomainError
+        # Party hard.
+      end
+    end
+
+    return accounts
+  end
+
+
+  def get_domain_path(domain)
+    # Return the filesystem path for the given domain.
+    # That is, the directory where its mail is stored.
+    # Only works if the domain directory exists!
+    domain_path = File.join(@domain_root, domain)
+
+    if File.directory?(domain_path)
+      return domain_path
+    else
+      raise NonexistentDomainError.new(domain)
+    end
+  end
+
+
+  def get_account_path(account)
+    # Return the filesystem path of this account's mailbox.
+    # Only works if the account exists!
+    if not account.include?('@')
+      raise InvalidAccountError.new("#{account}: Accounts must contain an '@' symbol.")
+    end
+
+    account_parts = account.split('@')
+    user_part = account_parts[0]
+    domain_part = account_parts[1]
+
+    begin
+      domain_path = get_domain_path(domain_part)
+    rescue NonexistentDomainError
+      raise NonexistentAccountError.new(account)
+    end
+
+    account_path = File.join(domain_path, user_part)
+
+    if File.directory?(account_path)
+      return account_path
+    else
+      raise NonexistentAccountError(account)
+    end
+  end
+
+end