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Revision c427bfc7

Added by Marc Dequènes over 15 years ago

  • ID c427bfc7f6b5dfa59dc920cae338cf9611b94476

[evol] moved the mail processing into a new class returning proper orders

View differences:

postman
require 'shellwords'
require 'cyborghood/base'
require 'cyborghood/objects'
require 'cyborghood/mail'
#Socket.gethostname
......
#
class CommandParser
def self.run(user, txt, refs)
txt.each_line do |line|
line.chomp!
sline = line.strip
# skip empty lines and comments
next if sline == "" or sline[0, 1] == "#"
# stop processing when detecting message signature
break if line == "-- "
logger.info "Executing command: #{sline}"
def self.run(order)
order.commands.each do |cmd|
logger.info "Executing command: #{cmd}"
begin
execute_cmd(user, sline)
execute_cmd(order.user, cmd, order.refs)
rescue
logger.info "Command failed: " + $!
end
......
private
def self.execute_cmd(user, cmdstr)
def self.execute_cmd(user, cmdstr, refs)
cmdline = Shellwords.shellwords(cmdstr)
subsys = cmdline.shift
......
case cmdline.shift.upcase
when "INFO"
if cmdline.empty?
list = DnsDomain.find_by_manager(user)
list = CyborgHood::DnsDomain.find_by_manager(user)
logger.info "User is manager of the following zones: " + list.collect{|z| z.cn }.sort.join(", ")
else
ok = false
......
case cmdline.shift.upcase
when "ZONE"
zone = cmdline.shift.downcase
dom = DnsDomain.new(zone)
dom = CyborgHood::DnsDomain.new(zone)
logger.info "User requesting zone content for '#{zone}'"
if dom.hosted?
if dom.managed_by? user
......
imap.select('INBOX')
imap.search(["ALL"], "UTF-8").each do |message_id|
msg = imap.fetch(message_id, "RFC822")[0].attr["RFC822"]
# unquote headers and transform into TMail object
mail = TMail::Mail.parse(TMail::Unquoter.unquote_and_convert_to(msg, "UTF-8"))
logger.set_prefix()
mail = Mail.new(msg)
#logger.set_prefix()
logger.debug "######################################"
logger.set_prefix("[#{mail.message_id}] ")
logger.info "#{mail.from_addrs} -> #{mail.to_addrs}: #{mail.subject}"
#logger.set_prefix("[#{mail.message_id}] ")
logger.info "New mail #{mail.message_id}: #{mail.from_addrs} -> #{mail.to_addrs} (#{mail.subject})"
# ignore mails not signed
unless mail.is_pgp_signed?
logger.info "Mail not signed or not RFC3156 compliant"
logger.info "Mail not signed or not RFC3156 compliant, ignoring..."
next
end
logger.debug "Proper signed content detected"
sig_check = mail.verify_pgp_signature()
if sig_check.status == 0
logger.info "Mail content was properly signed by key #{sig_check.fingerprint}"
user = Person.find_by_fingerprint(sig_check.fingerprint)
if user.nil?
logger.info "Mail is from an unknown person"
else
logger.info "Mail is from user #{user.uid} (#{user.cn})"
signed_content = mail.pgp_signed_part()
if signed_content.multipart?
if signed_content.parts[0].content_type == "text/plain"
command_txt = signed_content.parts[0].body
command_refs = signed_content.parts.collect{|p| p.dup }
end
else
command_txt = signed_content.body if signed_content.content_type == "text/plain"
command_refs = []
end
if command_txt
CommandParser.run(user, command_txt, command_refs)
else
logger.info "Mail does not contain a proper MIME part for commands"
end
end
else
logger.info "Mail content tampered or badly signed: " + sig_check.to_s
begin
order = mail.parse
rescue CyberError => e
logger.error "Internal processing error, skipping mail (#{e.message})"
next
end
if order.nil?
logger.info "Mail is invalid, ignoring..."
next
end
CommandParser.run(order)
end
imap.logout
end

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