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idle.py

#                  idle.py - default script for capisuite
#              ---------------------------------------------
#    copyright            : (C) 2002 by Gernot Hillier
#    email                : gernot@hillier.de
#    version              : $Revision: 1.8.2.2 $
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#

import os,re,time,pwd,fcntl
# capisuite stuff
import capisuite,cs_helpers

def idle(capi):
      config=cs_helpers.readConfig()
      spool=cs_helpers.getOption(config,"","spool_dir")
      if (spool==None):
            capisuite.error("global option spool_dir not found.")
            return
      
      done=os.path.join(spool,"done")+"/"
      failed=os.path.join(spool,"failed")+"/"

      if (not os.access(done,os.W_OK) or not os.access(failed,os.W_OK)):
            capisuite.error("Can't read/write to the necessary spool dirs")
            return

      userlist=config.sections()
      userlist.remove('GLOBAL')

      for user in userlist: # search in all user-specified sendq's
            userdata=pwd.getpwnam(user)
            outgoing_nr=cs_helpers.getOption(config,user,"outgoing_MSN","")
                if (outgoing_nr==""):
                  incoming_nrs=cs_helpers.getOption(config,user,"fax_numbers","")
                  if (incoming_nrs==""):
                        continue
                  else:
                        outgoing_nr=(incoming_nrs.split(','))[0] 

            udir=cs_helpers.getOption(config,"","fax_user_dir")
            if (udir==None):
                  capisuite.error("global option fax_user_dir not found.")
                  return
            udir=os.path.join(udir,user)+"/"
            sendq=os.path.join(udir,"sendq")+"/"
            if (not os.access(udir,os.F_OK)):
                  os.mkdir(udir,0700)
                  os.chown(udir,userdata[2],userdata[3])
            if (not os.access(sendq,os.F_OK)):
                  os.mkdir(sendq,0700)
                  os.chown(sendq,userdata[2],userdata[3])

            files=os.listdir(sendq)
            files=filter (lambda s: re.match("fax-.*\.txt",s),files)

            for job in files:
                  job_fax=job[:-3]+"sff"
                  real_user_c=os.stat(sendq+job).st_uid
                  real_user_j=os.stat(sendq+job_fax).st_uid
                  if (real_user_j!=pwd.getpwnam(user)[2] or real_user_c!=pwd.getpwnam(user)[2]):
                        capisuite.error("job "+sendq+job_fax+" seems to be manipulated (wrong uid)! Ignoring...")
                        continue

                  lockfile=open(sendq+job[:-3]+"lock","w")
                  # read directory contents
                  fcntl.lockf(lockfile,fcntl.LOCK_EX) # lock so that it isn't deleted while sending

                  if (not os.access(sendq+job,os.W_OK)): # perhaps it was cancelled?
                        fcntl.lockf(lockfile,fcntl.LOCK_UN)
                        lockfile.close()
                        os.unlink(sendq+job[:-3]+"lock")
                        continue

                  control=cs_helpers.readConfig(sendq+job)
                  # set DST value to -1 (unknown), as strptime sets it wrong for some reason
                  starttime=(time.strptime(control.get("GLOBAL","starttime")))[0:8]+(-1,)
                  starttime=time.mktime(starttime)
                  if (starttime>time.time()):
                        fcntl.lockf(lockfile,fcntl.LOCK_UN)
                        lockfile.close()
                        os.unlink(sendq+job[:-3]+"lock")
                        continue

                  tries=control.getint("GLOBAL","tries")
                  dialstring=control.get("GLOBAL","dialstring")
                  addressee=cs_helpers.getOption(control,"GLOBAL","addressee","")
                  subject=cs_helpers.getOption(control,"GLOBAL","subject","")
                  mailaddress=cs_helpers.getOption(config,user,"fax_email","")
                  if (mailaddress==""):
                        mailaddress=user
                  fromaddress=cs_helpers.getOption(config,user,"fax_email_from","")
                  if (fromaddress==""):
                        fromaddress=user

                  capisuite.log("job "+job_fax+" from "+user+" to "+dialstring+" initiated",1)
                  result,resultB3 = sendfax(capi,sendq+job_fax,outgoing_nr,dialstring,user,config)
                  tries+=1
                  capisuite.log("job "+job_fax+": result was %x,%x" % (result,resultB3),1)

                  if (result in (0,0x3400,0x3480,0x3490,0x349f) and resultB3==0):
                        movejob(job_fax,sendq,done,user)
                        capisuite.log("job "+job_fax+": finished successfully",1)
                        mailtext="Your fax job to "+addressee+" ("+dialstring+") was sent successfully.\n\n" \
                          +"Subject: "+subject+"\nFilename: "+job_fax \
                          +"\nNeeded tries: "+str(tries) \
                          +("\nLast result: 0x%x/0x%x" % (result,resultB3)) \
                          +"\n\nIt was moved to file://"+done+user+"-"+job_fax
                        cs_helpers.sendSimpleMail(fromaddress,mailaddress,
                          "Fax to "+addressee+" ("+dialstring+") sent successfully.",
                          mailtext)
                  else:
                        max_tries=int(cs_helpers.getOption(config,"","send_tries","10"))
                        delays=cs_helpers.getOption(config,"","send_delays","60,60,60,300,300,3600,3600,18000,36000").split(",")
                        delays=map(int,delays)
                        if ((tries-1)<len(delays)):
                              next_delay=delays[tries-1]
                        else:
                              next_delay=delays[-1]
                        starttime=time.time()+next_delay
                        capisuite.log("job "+job_fax+": delayed for "+str(next_delay)+" seconds",2)
                        cs_helpers.writeDescription(sendq+job_fax,"dialstring=\""+dialstring+"\"\n"
                          +"starttime=\""+time.ctime(starttime)+"\"\ntries=\""+str(tries)+"\"\n"
                          +"user=\""+user+"\"\naddressee=\""+addressee+"\"\nsubject=\""+subject+"\"\n")
                        if (tries>=max_tries):
                              movejob(job_fax,sendq,failed,user)
                              capisuite.log("job "+job_fax+": failed finally",1)
                              mailtext="I'm sorry, but your fax job to "+addressee+" ("+dialstring \
                                +") failed finally.\n\nSubject: "+subject \
                                +"\nFilename: "+job_fax+"\nTries: "+str(tries) \
                                +"\nLast result: 0x%x/0x%x" % (result,resultB3) \
                                +"\n\nIt was moved to file://"+failed+user+"-"+job_fax
                              cs_helpers.sendSimpleMail(fromaddress,mailaddress,
                                "Fax to "+addressee+" ("+dialstring+") FAILED.",
                                mailtext)

                  fcntl.lockf(lockfile,fcntl.LOCK_UN)
                  lockfile.close()
                  os.unlink(sendq+job[:-3]+"lock")

def sendfax(capi,job,outgoing_nr,dialstring,user,config):
      try:
            controller=int(cs_helpers.getOption(config,"","send_controller","1"))
            timeout=int(cs_helpers.getOption(config,user,"outgoing_timeout","60"))
            stationID=cs_helpers.getOption(config,user,"fax_stationID")
            if (stationID==None):
                  capisuite.error("Warning: fax_stationID for user "+user+" not set")
                  stationID=""
            headline=cs_helpers.getOption(config,user,"fax_headline","")
            (call,result)=capisuite.call_faxG3(capi,controller,outgoing_nr,dialstring,timeout,stationID,headline)
            if (result!=0):
                  return(result,0)
            capisuite.fax_send(call,job)
            return(capisuite.disconnect(call))
      except capisuite.CallGoneError:
            return(capisuite.disconnect(call))

def movejob(job,olddir,newdir,user):
      os.rename(olddir+job,newdir+user+"-"+job)
      os.rename(olddir+job[:-3]+"txt",newdir+user+"-"+job[:-3]+"txt")

#
# History:
#
# $Log: idle.py,v $
# Revision 1.8.2.2  2004/01/10 07:56:27  gernot
# - fax_numbers is really allowed to miss now (taken from MAIN, 1.11)...
#
# Revision 1.8.2.1  2003/09/21 12:35:20  gernot
# - add 0x349f to list of normal results
#
# Revision 1.8  2003/06/26 11:53:17  gernot
# - fax jobs can be given an addressee and a subject now (resolves #18, reported
#   by Achim Bohnet)
#
# Revision 1.7  2003/06/19 14:58:43  gernot
# - fax_numbers is now really optional (bug #23)
# - tries counter was wrongly reported (bug #29)
#
# Revision 1.6  2003/04/06 11:07:40  gernot
# - fix for 1-hour-delayed sending of fax (DST problem)
#
# Revision 1.5  2003/03/20 09:12:42  gernot
# - error checking for reading of configuration improved, many options got
#   optional, others produce senseful error messages now if not found,
#   fixes bug# 531, thx to Dieter Pelzel for reporting
#
# Revision 1.4  2003/03/13 11:09:58  gernot
# - use stricted permissions for saved files and created userdirs. Fixes
#   bug #544
#
# Revision 1.3  2003/03/09 11:48:10  gernot
# - removed wrong unlock operation (lock not acquired at this moment!)
#
# Revision 1.2  2003/03/06 09:59:11  gernot
# - added "file://" as prefix to filenames in sent mails, thx to
#   Achim Bohnet for this suggestion
#
# Revision 1.1.1.1  2003/02/19 08:19:54  gernot
# initial checkin of 0.4
#
# Revision 1.12  2003/02/18 09:54:22  ghillie
# - added missing lockfile deletions, corrected locking protocol
#   -> fixes Bugzilla 23731
#
# Revision 1.11  2003/02/17 16:48:43  ghillie
# - do locking, so that jobs can be deleted
#
# Revision 1.10  2003/02/10 14:50:52  ghillie
# - revert logic of outgoing_MSN: it's overriding the first number of
#   fax_numbers now
#
# Revision 1.9  2003/02/05 15:59:11  ghillie
# - search for *.txt instead of *.sff so no *.sff which is currently created
#   by capisuitefax will be found!
#
# Revision 1.8  2003/01/31 11:22:00  ghillie
# - use different sendq's for each user (in his user_dir).
# - use prefix user- for names in done and failed
#
# Revision 1.7  2003/01/27 21:56:46  ghillie
# - mailaddress may be not set, that's the same as ""
# - use first entry of fax_numbers as outgoing MSN if it exists
#
# Revision 1.6  2003/01/27 19:24:29  ghillie
# - updated to use new configuration files for fax & answering machine
#
# Revision 1.5  2003/01/19 12:03:27  ghillie
# - use capisuite log functions instead of stdout/stderr
#
# Revision 1.4  2003/01/17 15:09:26  ghillie
# - updated to use new configuration file capisuite-script.conf
#
# Revision 1.3  2003/01/13 16:12:00  ghillie
# - renamed from idle.pyin to idle.py as all previously processed variables
#   stay in the config file and cs_helpers.pyin now
#
# Revision 1.2  2002/12/16 13:07:22  ghillie
# - finished queue processing
#
# Revision 1.1  2002/12/14 13:53:19  ghillie
# - idle.py and incoming.py are now auto-created from *.pyin
#


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