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import getopt, sys
import ivamApi, ivamCore, ivamDefs
from ivamCore import log
from ivamUtil import getContents, setContents
DEBUG = False
class VoiceBox(ivamApi.Processor):
# Constants
STATE_INVALID, STATE_WELCOME, STATE_WELCOME_BEEP, STATE_RECORD, STATE_PRE_FINISH, STATE_FINISH, STATE_AUTH, STATE_MESSAGE, STATE_AUTH_OK, STATE_NO_MORE_MESSAGES, STATE_MESSAGE_BEEP, STATE_REMOVED, STATE_EMPTY = range(13)
AUTH_TIMEOUT = 20
# State
currentState = STATE_INVALID
# Use GZIP compression?
useGzip = 1
def onConnect(self, c, callerNumber, calleeNumber):
if DEBUG:
log("onConnect()")
self.callerNumber = callerNumber
self.calleeNumber = calleeNumber
self.currentState = self.STATE_WELCOME
c.playClip("welcome")
def loginComplete(self):
self.messages = self.getMessageNames()
self.currentMessage = 0
if len(self.messages) == 0:
self.currentState = self.STATE_EMPTY
c.playClip("empty")
else:
self.currentState = self.STATE_MESSAGE_BEEP
c.playClip("beep")
def onClipFinish(self, c, fname):
if DEBUG:
log("onClipFinish('%s')" % fname)
if self.currentState == self.STATE_WELCOME:
self.currentState = self.STATE_WELCOME_BEEP;
c.playClip("beep")
elif self.currentState == self.STATE_WELCOME_BEEP:
self.currentState = self.STATE_RECORD
c.recordClip(self.nextMessageName(), self.useGzip)
c.setTimeout(self.recordTime)
elif self.currentState == self.STATE_PRE_FINISH:
self.currentState = self.STATE_FINISH
c.hangup()
elif self.currentState == self.STATE_AUTH:
# Silence ...
pass
elif self.currentState == self.STATE_AUTH_OK:
self.loginComplete()
elif self.currentState == self.STATE_MESSAGE_BEEP:
while True:
if self.currentMessage >= len(self.messages):
self.currentMessage = self.STATE_NO_MORE_MESSAGES
c.playClip("nomoremessages")
else:
self.currentState = self.STATE_MESSAGE_BEEP
try:
c.playClip(self.messages[self.currentMessage])
break
except IOError, e:
del(self.messages[self.currentMessage])
if len(self.messages) == 0:
self.currentState = self.STATE_EMPTY
c.playClip("empty")
continue
elif self.currentState == self.STATE_MESSAGE:
self.currentMessage +=1
self.currentState = self.STATE_MESSAGE_BEEP
c.playClip("beep")
elif self.currentState == self.STATE_REMOVE:
if len(self.messages) == 0:
self.currentState = self.STATE_EMPTY
c.playClip("empty")
else:
self.currentState = self.STATE_MESSAGE_BEEP
c.playClip("beep")
elif self.currentState == self.STATE_NO_MORE_MESSAGES:
# Silence ...
pass
elif self.currentState == self.STATE_EMPTY:
self.currentState = self.STATE_FINISH
c.hangup()
def onDtmfEvent(self, c, event):
if DEBUG:
ivamCore.log("onDtmfEvent(%c)" % event)
if ((self.currentState == self.STATE_WELCOME) or (self.currentState == self.STATE_WELCOME_BEEP)) and (event == '0'):
if self.pin == "":
self.loginComplete()
elif self.pin == "-":
self.currentState = self.STATE_FINISH
c.hangup()
else:
self.currentState = self.STATE_AUTH
self.inputPin = ""
c.stopPlayback()
c.playClip("auth")
c.setTimeout(AUTH_TIMEOUT)
elif self.currentState == self.STATE_AUTH:
c.stopPlayback()
self.inputPin += event
if len(self.inputPin) >= len(self.pin):
c.setTimeout(0)
if self.inputPin == self.pin:
self.currentState = self.STATE_AUTH_OK
c.playClip("authok")
else:
self.currentState = self.STATE_FINISH
c.hangup()
elif self.currentState in [self.STATE_MESSAGE, self.STATE_MESSAGE_BEEP, self.STATE_NO_MORE_MESSAGES] :
changed = 0
if event == '0':
if self.currentMessage >= len(self.messages):
self.currentMessage = len(self.messages)-1
os.remove("%s.ulaw" % self.messages[self.currentMessage])
del(self.messages[self.currentMessage])
self.currentState = self.STATE_REMOVED
c.playClip("removed")
else:
if event in ['4', '2']:
self.currentMessage -= 1
changed = 1
if event in ['6', '8']:
self.currentMessage += 1
changed = 1
if event == '5':
changed = 1
if event == '1':
self.currentMessage = 0
changed = 1
if event == '7':
self.currentMessage = len(self.messages)-1
changed = 1
if self.currentMessage < 0:
self.currentMessage = 0
if self.currentMessage >= len(self.messages):
self.currentMessage = len(self.messages)-1
if changed:
self.currentState = self.STATE_MESSAGE_BEEP
c.playClip("beep")
else:
c.stopPlayback()
def onTimeout(self, c):
if DEBUG:
ivamCore.log("onTimeout()")
if self.currentState == self.STATE_RECORD:
self.currentState = self.STATE_PRE_FINISH
c.stopRecording()
c.playClip("beep")
elif self.currentState in [self.STATE_AUTH, self.STATE_PIN2, self.STATE_PIN3, self.STATE_PIN4]:
self.currentState = self.STATE_FINISH
c.hangup()
def onRecordFinish(self, c, fname):
if DEBUG:
ivamCore.log("onRecordFinish(%s)", fname)
log("Starting new message notification program.")
r = os.spawnvp(os.P_WAIT, self.messageProgram, [self.messageProgram, "%s.ulaw" % fname])
log("Program finished (return value is %i)." % r)
def getMessageNames(self):
f = filter(lambda e: e.startswith("message-"), os.listdir(self.directory))
f.sort()
f.reverse()
return f
def nextMessageName(self):
fn = "%s/message-%010i-%s-%s.ulaw" % (self.directory, time.time(), self.callerNumber, self.callerNumber)
if self.useGzip:
return fn+".gz"
return fn
def setPin(self, pin):
if re.match('^([0-9#*]*|-)$', pin).end() is None:
log("Invalid PIN. PIN has to consist of 0-9#*. Use '-' for always denying access.")
raise Exception, "Invalid PIN"
self.pin = pin
def setDirectory(self, path):
self.directory = path
try:
self.setPin(getContents("%s/PIN" % path))
except Exception:
self.pin = "-"
try:
self.recordTime = int(getContents("%s/RECORD_TIME" % path)))
except Exception:
self.recordTime = 60
messageProgram = "%s/NEWMESSAGE" % path
def setupVoiceBox(dname, pin, recordTime):
if dname.find("/") == -1:
dname = "%s/%s" % (ivamDefs.spoolDirectory, dname)
os.mkdir(dname, 0770)
os.mkdir("%s/messages" % dname, 0770)
setContents("%s/PIN" % dname, pin)
setContents("%s/RECORD_TIME" % dname, `recordTime`)
os.symlink
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