Class: ActiveRecordOperation

Inherits:
LDAP::Server::Operation
  • Object
show all
Defined in:
lib/arldap/active_record_operation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(connection, messageID, config, ar_class, logger) ⇒ ActiveRecordOperation

Returns a new instance of ActiveRecordOperation.



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# File 'lib/arldap/active_record_operation.rb', line 7

def initialize(connection, messageID, config, ar_class, logger)
  @config, @ar_class, @logger = config, ar_class, logger
  @logger.debug "Received connection request (#{messageID})."
  @connection = connection
  super(connection, messageID)
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/arldap/active_record_operation.rb', line 5

def attributes
  @attributes
end

#connection ⇒ Object

Returns the value of attribute connection.



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# File 'lib/arldap/active_record_operation.rb', line 5

def connection
  @connection
end

#schema ⇒ Object

Returns the value of attribute schema.



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# File 'lib/arldap/active_record_operation.rb', line 5

def schema
  @schema
end

#server ⇒ Object

Returns the value of attribute server.



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# File 'lib/arldap/active_record_operation.rb', line 5

def server
  @server
end

Instance Method Details

#parse_filter(filter) ⇒ Object 



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# File 'lib/arldap/active_record_operation.rb', line 80

def parse_filter(filter)
  # format of mozilla and OS X address book searches are always this: 
  # [:or, [:substrings, "mail",      nil, nil, "XXX", nil], 
  #       [:substrings, "cn",        nil, nil, "XXX", nil], 
  #       [:substrings, "givenName", nil, nil, "XXX", nil], 
  #       [:substrings, "sn",        nil, nil, "XXX", nil]]
  # (with the order of the subgroups maybe turned around)
  ##
  # [:or, [:substrings, "givenname", nil, "j", nil], 
  # [:substrings, "sn", nil, "j", nil], 
  # [:substrings, "mail", nil, "j", nil], 
  # [:substrings, "cn", nil, "j", nil]]

  @logger.info filter

  unless filter
    @logger.info "Denying complex query (error 1): #{filter.inspect}"
    raise LDAP::ResultError::UnwillingToPerform, "This query is way too complex: #{filter.inspect}"
  end

  if filter[0] != :or
    @logger.info "Denying complex query (error 1): #{filter.inspect}"
    raise LDAP::ResultError::UnwillingToPerform, "This query is way too complex: #{filter.inspect}"
  end

  query = filter[1]

  if !(query.length > 3)
    @logger.info "Denying complex query (error 2): #{filter.inspect}"
    raise LDAP::ResultError::UnwillingToPerform, "This query is way too complex: #{filter.inspect}"      
  end
  
  if !query[1]
    @logger.info "Refusing to respond to blank query string: #{filter.inspect}."
    raise LDAP::ResultError::UnwillingToPerform, "Refusing to respond to blank query string: #{filter.inspect}"
  end

  if !(%w{mail cn givenname sn}.include? query[1].downcase)
    @logger.info "Denying complex query (error 3): #{filter.inspect}"
    raise LDAP::ResultError::UnwillingToPerform, "This query is way too complex: #{filter.inspect}"      
  end
  
  query_string = query[2..-1].compact.first # We're just going to take the first non-nil element as the search string
  
  if !query_string
    @logger.info "Refusing to respond to blank query string: #{filter.inspect}."
    raise LDAP::ResultError::UnwillingToPerform, "Refusing to respond to blank query string: #{filter.inspect}"
  end
  
  query_string
end

#search(basedn, scope, deref, filter) ⇒ Object 



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# File 'lib/arldap/active_record_operation.rb', line 32

def search(basedn, scope, deref, filter)
  if @connection.opt[:authentic]
    @logger.info "Valid credentials: #{@connection.opt[:authentic]}"
  else
    @logger.info "Invalid credentials"
    raise LDAP::ResultError::InvalidCredentials, "Invalid credentials: #{@connection.opt[:authentic]}"
  end

  # This is needed to force the ruby ldap server to return our parameters, 
  # even though the client didn't explicitly ask for them
  @attributes << "*"
  if basedn != @config[:basedn]
    @logger.info "Denying request with missmatched basedn (wanted \"#{@config[:basedn]}\", but got \"#{basedn}\")"
    raise LDAP::ResultError::UnwillingToPerform, "Bad base DN"
  end

  if scope == LDAP::Server::BaseObject
    @logger.info "Denying request for BaseObject: #{filter.inspect}"
    raise LDAP::ResultError::UnwillingToPerform, "BaseObject not implemented: #{filter}"
  end

  query_string = parse_filter(filter)
  
  @logger.debug "Running #{@ar_class.name}.ldap_search(\"#{query_string}\")"
  
  begin
    @records = @ar_class.ldap_search(query_string)
  rescue Exception => e
    @logger.error "ERROR running #{@ar_class.name}.ldap_search(#{query_string}): #{e}"
    # raise LDAP::ResultError::OperationsError, "Error encountered during processing: #{e}."
  end 

  @logger.info "Returning #{@records.size} records matching \"#{query_string}\"."
  
  @records.each do |record| 
    begin
      ret = record.to_ldap_entry
    rescue
      @logger.error "ERROR converting AR instance to ldap entry: #{$!}"
      raise LDAP::ResultError::OperationsError, "Error encountered during processing."
    end
    
    ret_basedn = "uid=#{ret["uid"]},#{@config[:basedn]}"
    @logger.debug "Sending #{ret_basedn} - #{ret.inspect}" 
    send_SearchResultEntry(ret_basedn, ret)
  end
end

#simple_bind(version, dn, password) ⇒ Object 



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# File 'lib/arldap/active_record_operation.rb', line 14

def simple_bind(version, dn, password)
  @logger.debug "config password"
  @logger.debug @config[:password]
  @logger.debug "config password class"
  @logger.debug @config[:password].class
  @logger.debug "passed password"
  @logger.debug password
  @logger.debug "passed password class"
  @logger.debug password.class
  
  @connection.opt[:authentic] = password == @config[:password]
  if @connection.opt[:authentic]
    @logger.info  "simple_bind authentic: #{@connection.opt[:authentic]}"
  else
    @logger.info  "simple_bind not authentic: #{@connection.opt[:authentic]}"
  end
end