def add_call():
'''API: add a call record to the DB via Twilio Status Callback'''
twilio_client_key = request.values.get('key', None) # used to auth requests coming from Twilio
if twilio_server_key != twilio_client_key:
if not flask_login.current_user.is_authenticated: # block unwanted people from adding records
return app.login_manager.unauthorized()
call_sid = request.values.get('CallSid', None)
from_phone = request.values.get('From', None)
to_phone = request.values.get('To', None)
duration = request.values.get('CallDuration', None)
direction = request.values.get('Direction', None)
status = request.values.get('CallStatus', None)
time_now = datetime.now(pytz.timezone('US/Eastern'))
subtime=timedelta(seconds=int(duration)) if duration != None else timedelta(seconds=5)
starttime = (time_now-subtime).strftime('%-m/%-d/%Y %H:%M:%S')
call = Call(call_sid = call_sid,
from_phone = from_phone,
to_phone = to_phone,
time = starttime,
duration = duration,
direction = direction,
status = status)
# commit record to DB
db_session.add(call)
db_session.commit()
return "Call record added successfully."
def googleOAuthTokenVerify(): # authenticate with Google for Icahn accounts
'''from https://developers.google.com/identity/sign-in/web/backend-auth'''
token = request.values.get('idtoken', None)
try:
idinfo = gauthclient.verify_id_token(token, vm_client_id)
# If multiple clients access the backend server:
if idinfo['aud'] not in [vm_client_id]:
raise crypt.AppIdentityError("Unrecognized client.")
if idinfo['iss'] not in ['accounts.google.com', 'https://accounts.google.com']:
raise crypt.AppIdentityError("Wrong issuer.")
except crypt.AppIdentityError:
# Invalid token
sys.stderr.write("Bad token from client.\n")
return None
# okay, now we're logged in. yay!
userid = idinfo['sub']
useremail = idinfo['email']
sys.stderr.write("Token sign in user: "******", ".join([useremail, userid]) + "\n")
user = User.query.get(useremail)
if user: # if user has been here before
user.authenticated=True # log them in in DB
db_session.add(user)
db_session.commit()
flask_login.login_user(user, remember=True) # log them in in their browser
else:
if ('@icahn.mssm.edu' not in useremail) & ('@mssm.edu' not in useremail): # not ISMMS account
return 'Unauthorized e-mail address. You must be a MSSM affiliate with an @icahn.mssm.edu or @mssm.edu address!'
else:
user = User(email = useremail, google_token=userid) # create new user in DB
user.authenticated=True # log them in in DB
db_session.add(user)
db_session.commit()
flask_login.login_user(user, remember=False) # log them in in their browser
return useremail # return logged in email to user
def secure_message_setpass(remind_id): # second step in secure message
''' sets the passcode from the last step and asks for a reminder time '''
if request.values.get('AccountSid', None) != twilio_AccountSID:
return "Not Authorized", 403 #requests must come from Twilio
resp = twilio.twiml.Response()
passcode = request.values.get("Digits", None)
try:
# find the record in the DB that corresponds to this call
record = Reminder.query.get(remind_id)
except:
resp.play('/assets/audio/vmsystemfail.mp3')
return str(resp)
# set a passcode and update the DB
record.passcode = passcode
db_session.add(record)
db_session.commit()
# ask for a reminder time
with resp.gather(numDigits=1,
action='/secure_message/settime/' + str(remind_id),
method='POST') as g:
g.play('/assets/audio/youdialed.mp3')
g.say(' '.join(passcode) + ".", voice="alice")
g.play('/assets/audio/settime.mp3')
return str(resp)
def add_call():
'''API: add a call record to the DB via Twilio Status Callback'''
twilio_client_key = request.values.get(
'key', None) # used to auth requests coming from Twilio
if twilio_server_key != twilio_client_key:
if not flask_login.current_user.is_authenticated: # block unwanted people from adding records
return app.login_manager.unauthorized()
call_sid = request.values.get('CallSid', None)
from_phone = request.values.get('From', None)
to_phone = request.values.get('To', None)
duration = request.values.get('CallDuration', None)
direction = request.values.get('Direction', None)
status = request.values.get('CallStatus', None)
caller_id = request.values.get('CallerName', None)
time_now = datetime.now(pytz.timezone('US/Eastern'))
subtime = timedelta(
seconds=int(duration)) if duration != None else timedelta(seconds=5)
starttime = (time_now - subtime).strftime('%-m/%-d/%Y %H:%M:%S')
call = Call(call_sid=call_sid,
from_phone=from_phone,
to_phone=to_phone,
time=starttime,
duration=duration,
direction=direction,
status=status,
caller_id=caller_id)
# commit record to DB
db_session.add(call)
db_session.commit()
return "Call record added successfully."
def secure_message_setmessage(
remind_id): # fourth step in secure message - record the message
'''record secure message'''
if request.values.get('AccountSid', None) != twilio_AccountSID:
return "Not Authorized", 403 #requests must come from Twilio
resp = twilio.twiml.Response()
recording_url = request.values.get("RecordingUrl", None)
try:
# find the record in the DB that corresponds to this call
record = Reminder.query.get(remind_id)
except:
resp.play('/assets/audio/vmsystemfail.mp3')
return str(resp)
# set a new save file name randomly
save_name = randomword(128) + ".mp3"
# set the secure recording URL location
new_recording_url = 'https://twilio.ehhapp.org/play_recording?filename=' + save_name
# set the message url and update the db
record.message = new_recording_url
db_session.add(record)
db_session.commit()
# download and save the message (async)
save_secure_message.apply_async(args=[recording_url, save_name])
with resp.gather(numDigits=1,
action='/secure_message/send/' + str(remind_id),
method='POST') as g:
g.play('/assets/audio/confirmsecuremessage.mp3')
return str(resp)
def secure_message_playback(remind_id):
'''play the message for the patient'''
if request.values.get('AccountSid', None) != twilio_AccountSID:
return "Not Authorized", 403 #requests must come from Twilio
resp = twilio.twiml.Response()
passcode = request.values.get("Digits", None)
# find the record in the DB that corresponds to this call
record = Reminder.query.get(remind_id)
if record.passcode != passcode:
with resp.gather(numDigits=6,
action='/secure_message/playback/' + str(remind_id),
method='POST') as g:
g.play('/assets/audio/passcodeincorrect.mp3')
return str(resp)
else:
record.delivered = True
db_session.add(record)
db_session.commit()
#deliver_callback.apply_async(args=[remind_id, record.from_phone])
resp.play('/assets/audio/pleasewaittohearmessage.mp3')
resp.play(record.message + "&key=" + twilio_server_key,
mimetype="audio/mpeg")
resp.play('/assets/audio/messagewillrepeat.mp3')
resp.play(record.message + "&key=" + twilio_server_key,
loop=5,
mimetype="audio/mpeg")
resp.play('/assets/audio/goodbye.mp3')
return str(resp)
def secure_message_setnum(): # start secure message function
''' creates a row in the database with a secure message ID and pt phone num
still need to set the following:
reminder time (now, one day from now, or specify date)
reminder frequency (default = one day if they dont pick up)
message
recorded name
spanish?
passcode
'''
if request.values.get('AccountSid', None) != twilio_AccountSID:
return "Not Authorized", 403 #requests must come from Twilio
resp = twilio.twiml.Response()
number = request.values.get("Digits", None)
from_phone = request.values.get("From", None)
# add phone number to reminders, move to next step
reminder = Reminder(to_phone=number, from_phone=from_phone)
db_session.add(reminder)
db_session.commit()
remind_id = reminder.id
with resp.gather(numDigits=6,
action='/secure_message/setpass/' + str(remind_id),
method='POST') as g:
g.play('/assets/audio/youdialed.mp3')
g.say(' '.join(number) + '. ', voice='alice')
g.play('/assets/audio/setpass.mp3')
return str(resp)
def logout():
"""Logout the current user."""
user = flask_login.current_user
user.authenticated = False # log out in db
db_session.add(user)
db_session.commit()
flask_login.logout_user() # delete browser cookie
return "Logged out. You can close this window now."
def logout():
"""Logout the current user."""
user = flask_login.current_user
user.authenticated = False # log out in db
db_session.add(user)
db_session.commit()
flask_login.logout_user() # delete browser cookie
return "Logged out. You can close this window now."
def add_assignment():
'''GUI: add an assignment to the DB'''
form = AssignmentForm(request.form)
if request.method == 'POST' and form.validate():
assignment = Assignment(form.from_phone.data, form.recipients.data)
db_session.add(assignment)
db_session.commit()
flash('Assignment added.')
return redirect(url_for('serve_assignment_admin'))
return render_template("intent_form.html", action="Add", data_type="an assignment", form=form)
def play_vm_recording():
'''serve the voicemail or secure message for playback'''
twilio_client_key = request.values.get(
'key', None) # used when playing back messages over phone
if twilio_server_key != twilio_client_key:
if not flask_login.current_user.is_authenticated: # if accessing VM through GUI
return app.login_manager.unauthorized()
''' plays a voicemail recording from the Box server'''
filename = request.values.get('filename', None)
# check that filename attribute was set, else return None
if filename == None:
return "Need to specify a filename.", 400
# sterilize filename to prevent attacks
safe_char = re.compile(r'[^\w.]+') # only alphanumeric and periods
filename = safe_char.sub('', filename)
def get_file(
filename
): # how do we 'stream' the file from Box to browser? using a callback!
class VMFile: # this will store the VM message as a
def __init__(
self
): # memory object instead of in a file (+ deleted after execution)
self.data = ""
def __call__(self, s):
self.data += s
#v = VMFile()
#session = FTP_TLS('ftp.box.com', box_username, box_password) # open Box
#session.retrbinary('RETR recordings/' + filename, v) # add each chunk of data to memory from Box
#session.close() # close Box
v = box_api.download_file(source_folder_name="recordings",
source_file_name=filename,
destination=None)
return v # return the data put back together again to be sent to browser
vm_info = Voicemail.query.filter_by(
message=filename).first() # get VM record
if vm_info != None:
if vm_info.view_count != None:
vm_info.view_count += 1
else:
vm_info.view_count = 1
db_session.add(vm_info)
db_session.commit()
# serve file
if filename[-3:] == "mp3":
return Response(get_file(filename), mimetype="audio/mpeg", status=200)
elif filename[-3:] == "wav":
return Response(get_file(filename), mimetype="audio/wav", status=200)
else:
return Response(get_file(filename), status=200, mimetype="audio/mpeg")
def edit_voicemail_assignment(record_id):
'''GUI: edit a VM assignment'''
vm = Voicemail.query.get(record_id)
form = VoicemailForm(request.form, obj=vm)
if request.method == 'POST' and form.validate():
vm.assigns = form.assigns.data
db_session.add(vm)
db_session.commit()
flash('VM assignment edited.')
return redirect(url_for('serve_vm_admin'))
return render_template("intent_form.html", action="Edit", data_type="assignment", form=form)
def add_intent():
'''GUI: add an intent/route to the DB'''
form = IntentForm(request.form)
if request.method == 'POST' and form.validate():
intent = Intent(form.digit.data, form.description.data, form.required_recipients.data,
form.distributed_recipients.data)
db_session.add(intent)
db_session.commit()
flash('Intent added.')
return redirect(url_for('serve_intent_admin'))
return render_template("intent_form.html", action="Add", data_type="an intent", form=form)
def add_voicemail(recording_name, ani=None, intent=None, requireds=None, assigns=None):
'''Internal function to accept incoming VMs and store them in DB'''
time_now = datetime.now(pytz.timezone('US/Eastern'))
record = Voicemail(intent=intent,
from_phone=ani,
time=time_now.strftime('%-m/%-d/%Y %H:%M:%S'),
message=recording_name,
requireds=requireds,
assigns=assigns)
db_session.add(record)
db_session.commit()
return record.id
def add_assignment():
'''GUI: add an assignment to the DB'''
form = AssignmentForm(request.form)
if request.method == 'POST' and form.validate():
assignment = Assignment(form.from_phone.data, form.recipients.data)
db_session.add(assignment)
db_session.commit()
flash('Assignment added.')
return redirect(url_for('serve_assignment_admin'))
return render_template("intent_form.html",
action="Add",
data_type="an assignment",
form=form)
def edit_assignment(assign_id):
'''GUI: edit an assignment in the DB'''
assign = Assignment.query.get(assign_id)
formout = AssignmentForm(obj=assign)
form = AssignmentForm(request.form)
if request.method == 'POST' and form.validate():
assign.from_phone = form.from_phone.data
assign.recipients = form.recipients.data
db_session.add(assign)
db_session.commit()
flash('Assignment edited.')
return redirect(url_for('serve_assignment_admin'))
return render_template("intent_form.html", action="Edit", data_type=assign.from_phone, form=formout)
def edit_voicemail_assignment(record_id):
'''GUI: edit a VM assignment'''
vm = Voicemail.query.get(record_id)
form = VoicemailForm(request.form, obj=vm)
if request.method == 'POST' and form.validate():
vm.assigns = form.assigns.data
db_session.add(vm)
db_session.commit()
flash('VM assignment edited.')
return redirect(url_for('serve_vm_admin'))
return render_template("intent_form.html",
action="Edit",
data_type="assignment",
form=form)
def add_intent():
'''GUI: add an intent/route to the DB'''
form = IntentForm(request.form)
if request.method == 'POST' and form.validate():
intent = Intent(form.digit.data, form.description.data,
form.required_recipients.data,
form.distributed_recipients.data)
db_session.add(intent)
db_session.commit()
flash('Intent added.')
return redirect(url_for('serve_intent_admin'))
return render_template("intent_form.html",
action="Add",
data_type="an intent",
form=form)
def edit_intent(intent_id):
'''GUI: edit an intent in the DB'''
intent = Intent.query.get(intent_id)
formout = IntentForm(obj=intent)
form = IntentForm(request.form)
if request.method == 'POST' and form.validate():
intent.digit = form.digit.data
intent.description = form.description.data
intent.required_recipients = form.required_recipients.data
intent.distributed_recipients = form.distributed_recipients.data
db_session.add(intent)
db_session.commit()
flash('Intent edited.')
return redirect(url_for('serve_intent_admin'))
return render_template("intent_form.html", action="Edit", data_type=intent.digit, form=formout)
def edit_assignment(assign_id):
'''GUI: edit an assignment in the DB'''
assign = Assignment.query.get(assign_id)
formout = AssignmentForm(obj=assign)
form = AssignmentForm(request.form)
if request.method == 'POST' and form.validate():
assign.from_phone = form.from_phone.data
assign.recipients = form.recipients.data
assign.intent = form.intent.data
db_session.add(assign)
db_session.commit()
flash('Assignment edited.')
return redirect(url_for('serve_assignment_admin'))
return render_template("intent_form.html",
action="Edit",
data_type=assign.from_phone,
form=formout)
def edit_intent(intent_id):
'''GUI: edit an intent in the DB'''
intent = Intent.query.get(intent_id)
formout = IntentForm(obj=intent)
form = IntentForm(request.form)
if request.method == 'POST' and form.validate():
intent.digit = form.digit.data
intent.description = form.description.data
intent.required_recipients = form.required_recipients.data
intent.distributed_recipients = form.distributed_recipients.data
db_session.add(intent)
db_session.commit()
flash('Intent edited.')
return redirect(url_for('serve_intent_admin'))
return render_template("intent_form.html",
action="Edit",
data_type=intent.digit,
form=formout)
def add_voicemail(recording_name,
ani=None,
intent=None,
requireds=None,
assigns=None,
caller_id=None):
'''Internal function to accept incoming VMs and store them in DB'''
time_now = datetime.now(pytz.timezone('US/Eastern'))
record = Voicemail(intent=intent,
from_phone=ani,
time=time_now.strftime('%-m/%-d/%Y %H:%M:%S'),
message=recording_name,
requireds=requireds,
assigns=assigns,
caller_id=caller_id)
db_session.add(record)
db_session.commit()
return record.id
def googleOAuthTokenVerify(): # authenticate with Google for Icahn accounts
'''from https://developers.google.com/identity/sign-in/web/backend-auth'''
token = request.values.get('idtoken', None)
try:
idinfo = gauthclient.verify_id_token(token, vm_client_id)
# If multiple clients access the backend server:
if idinfo['aud'] not in [vm_client_id]:
raise crypt.AppIdentityError("Unrecognized client.")
if idinfo['iss'] not in [
'accounts.google.com', 'https://accounts.google.com'
]:
raise crypt.AppIdentityError("Wrong issuer.")
except crypt.AppIdentityError:
# Invalid token
sys.stderr.write("Bad token from client.\n")
return None
# okay, now we're logged in. yay!
userid = idinfo['sub']
useremail = idinfo['email']
sys.stderr.write("Token sign in user: "******", ".join([useremail, userid]) +
"\n")
user = User.query.get(useremail)
if user: # if user has been here before
user.authenticated = True # log them in in DB
db_session.add(user)
db_session.commit()
flask_login.login_user(user,
remember=True) # log them in in their browser
else:
if ('@icahn.mssm.edu' not in useremail) & (
'@mssm.edu' not in useremail): # not ISMMS account
return 'Unauthorized e-mail address. You must be a MSSM affiliate with an @icahn.mssm.edu or @mssm.edu address!'
else:
user = User(email=useremail,
google_token=userid) # create new user in DB
user.authenticated = True # log them in in DB
db_session.add(user)
db_session.commit()
flask_login.login_user(
user, remember=False) # log them in in their browser
return useremail # return logged in email to user
def secure_message_settime(remind_id): # third step in secure message
''' sets the reminder time and asks for the message '''
if request.values.get('AccountSid', None) != twilio_AccountSID:
return "Not Authorized", 403 #requests must come from Twilio
resp = twilio.twiml.Response()
choice = request.values.get("Digits", None)
try:
# find the record in the DB that corresponds to this call
record = Reminder.query.get(remind_id)
except:
resp.play('/assets/audio/vmsystemfail.mp3')
return str(resp)
# set the reminder time delta
nowtime = datetime.now()
time_set = None
if choice == '2':
# set the time for tomorrow
time_set = datetime.combine(nowtime.date() + timedelta(1),
time(10, 0, 0, 1))
else:
# set the time as now
time_set = nowtime
# set the reminder time and update the DB
record.time = str(time_set)
db_session.add(record)
db_session.commit()
# now we need to record the message
resp.play('/assets/audio/leavesecuremessage.mp3')
resp.record(maxLength=300,
action="/secure_message/setmessage/" + str(remind_id),
method='POST')
return str(resp)
def update_vm_status(record_id, input_status):
'''GUI: edit a VM assignment'''
user = flask_login.current_user
vm = Voicemail.query.get(record_id)
escaped_status = input_status.replace("-", " ")
vm.status = escaped_status
status_dict = {"users": {}}
if vm.last_updated_by != None:
try:
status_dict = json.loads(vm.last_updated_by)
except:
pass
status_dict["users"][len(status_dict["users"])] = {
"time": str(datetime.now()),
"email": user.email,
"status": escaped_status
}
vm.last_updated_by = json.dumps(status_dict)
db_session.add(vm)
db_session.commit()
flash("Updated status")
return redirect(url_for('serve_vm_admin'))
def process_recording(recording_url,
intent,
ani,
requireds=None,
assign=None,
no_requireds=False,
auth_method=auth_combo):
'''process_recording(recording_url, intent, ani, requireds=None, assign=None, auth_method=auth_combo)
recording_url: URL of recording to download
intent: the digit pressed by the caller
ani: caller ID
requireds: (optional) override the default required recipients
assign: (optional) override the default assigned recipients
no_requireds: (optional) do not send emails to requireds even if passed
auth_method: (optional) specify different twilio REST API credentials
'''
satdate = getlastSatDate() # get next clinic date
recording_name = save_file(recording_url, auth_method) # save the file
playback_url = player_url + recordings_base + recording_name
slack_notify('<' + playback_url + '|New voicemail received>')
db = EHHOPdb(credentials)
# figure out who to send the message to
if assign == None:
db_assign = Assignment.query.filter_by(from_phone=ani[-10:],
intent=intent).all()
if db_assign != []: #someone is responsible for that phone number
assign = [
a.recipients.replace(" ", "").split(',') for a in db_assign
]
assign = [item for sublist in assign
for item in sublist] # flatten array of arrays
assign = ','.join(assign)
else: # no one has the default assignment for that phone number
intents = Intent.query.filter_by(digit=intent).first()
sys.stderr.write(str(intents))
assigns = intents.distributed_recipients.split(',')
sys.stderr.write(str(assigns))
assignlist = []
for a in assigns:
sys.stderr.write(str(a) + str(satdate))
interresult = db.lookup_name_in_schedule(a, satdate)
sys.stderr.write(str(interresult))
emails = []
for i in interresult:
email = db.lookup_email_by_name(i)
sys.stderr.write(str(email))
emails.append(email) if email != None else None
assignlist.append(emails)
sys.stderr.write(str(assignlist))
assign = []
for c in assignlist:
c1 = [
Assignment.query.filter_by(recipients=b).count() for b in c
]
assign_person = c[c1.index(min(c1))] if c != [] else ""
# gets whoever has the lowest load (alphabetical tiebreak)
# save the new assignment to the database for later retrieval
if assign_person != "":
assign.append(assign_person)
new_assign = Assignment(from_phone=ani[-10:],
recipients=assign_person)
db_session.add(new_assign)
db_session.commit()
assign = ", ".join(assign)
if requireds == None and not no_requireds: # if no required recipients are sent and not a direct message
db_requireds = Intent.query.filter_by(digit=intent).first()
if db_requireds != None:
requiredpos = db_requireds.required_recipients.split(',')
requirelist = []
for r in requiredpos:
r = r.strip(" ")
if "schedule:" in r.lower():
a = r.split(":")[1].strip()
interresult = db.lookup_name_in_schedule(a, satdate)
sys.stderr.write(str(interresult))
for i in interresult:
email = db.lookup_email_by_name(i)
sys.stderr.write(str(email))
requirelist.append(email) if email != None else None
else:
lookup = db.lookup_name_by_position(r)
if lookup != []:
for rr in lookup:
requirelist.append(rr[2])
requireds = ','.join(requirelist)
requireds = fallback_email if requireds == None else requireds # in case something goes bad
if no_requireds: # if a direct VM (dial_extension)
requireds = ''
with app.app_context(
): # pass the Flask app to the next function (weird rendering quirk)
add_voicemail(recording_name,
intent=intent,
ani=ani,
requireds=requireds,
assigns=assign)
send_email(recording_name, intent, ani, requireds, assign)
#delete_file(recording_url) # delete recording from Twilio
return recording_name
