import RPi.GPIO as GPIO
import email
import imaplib
import smtplib
import time
from email.mime.text import MIMEText

user = 'user@domain1.de'
password = 'password'
recipient="test@domain.de"
IMAP = 'imap.provider.de'
SMTP = 'smtp.provider.de'
erlaubt = ["test1@domain1.de","test2@domain3.de","test3@domain3.de"]

GPIO.setmode(GPIO.BCM)
RELAIS=26
GPIO.setup(RELAIS, GPIO.OUT)

mail = imaplib.IMAP4_SSL(IMAP)
mail.login(user, password)
mail.select('inbox')
status, data = mail.search(None, 'ALL')
mail_ids = []
for block in data:
	mail_ids += block.split()
for i in mail_ids:
	status, data = mail.fetch(i, '(RFC822)')
	for response_part in data:
		if isinstance(response_part, tuple):
			message = email.message_from_bytes(response_part[1])
			mail_from = message['from'].lower()
			mail_subject = message['subject'].lower()
			if message.is_multipart():
				mail_content = ''
				for part in message.get_payload():
					if part.get_content_type() == 'text/plain':
						mail_content += part.get_payload()
			else:
				mail_content = message.get_payload()
			ok=0
			for e in erlaubt:
				if e in mail_from:
					ok=1
			if ok==1:
				print(mail_from + " berechtigt. Betreff: " + mail_subject)
				nachricht = email.mime.text.MIMEText('Nur zur Info')
				if "open garage" in mail_subject:
					GPIO.output(RELAIS,True)
					time.sleep(1)
					GPIO.output(RELAIS,False)
					nachricht['Subject'] = 'Garage geöffnet'
					nachricht['From'] = user
					nachricht['To'] = recipient
					server = smtplib.SMTP_SSL(host=SMTP, port=465)
					server.login(user, password)
					server.sendmail(user, [recipient], nachricht.as_string())
					server.quit()
			else:
				print("E-Mail Adresse " + mail_from + " NICHT erlaubt")
			mail.store(i, "+FLAGS", "\\Deleted")
mail.expunge()
mail.close()
mail.logout()
GPIO.cleanup()