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monitorEmails.py

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+#!/usr/bin/python3
+
+import imaplib
+import email
+import datetime
+import os
+from pathlib import Path
+
+##  constants
+UNREADDAYS = 3
+FILE_SMS = '/tmp/emailcheck.sms'
+FILE_WARNING = '/tmp/emailcheck.warning'
+FILE_ESCALATE = '/tmp/emailcheck.ESCALATE'
+
+def write_file(path, text):
+    file1 = open(path, "w")
+    file1.write(text)
+    file1.close()
+
+
+# calculate date 3 days ago
+threedaysago = datetime.datetime.now() - datetime.timedelta(days = UNREADDAYS)
+threedaysago_str = threedaysago.strftime('(SINCE "%d-%b-%Y")')
+# print(threedaysago_str)
+
+# Connect to inbox
+imap_server = imaplib.IMAP4_SSL(host='imap.strato.com')
+imap_server.login('ignace@suy.nl', 'Ghdjh&653gh*')
+imap_server.select()  # Default is `INBOX`
+
+#Search for all UIDs first
+result1, data1 = imap_server.uid('search', threedaysago_str)
+mails_total = len(data1[0].split())
+
+result2, data2 = imap_server.uid('search', threedaysago_str, 'UNSEEN')
+mails_unseen = len(data2[0].split())
+
+print("{} mails {}, {}=={}".format(datetime.datetime.now(), threedaysago_str, mails_total, mails_unseen))
+
+# print("{} {}".format(mails_total, mails_unseen))
+if (mails_total > mails_unseen) or (mails_total == 0):
+    # some mail has been read in the past days, all is well
+    # delete sms file, warning file 
+    if os.path.exists(FILE_SMS):
+        os.remove(FILE_SMS)
+    if os.path.exists(FILE_WARNING):
+        os.remove(FILE_WARNING)
+    if os.path.exists(FILE_ESCALATE):
+        os.remove(FILE_ESCALATE)
+    print("  ->Ok")
+else:
+    # no mails have been read in the past days
+    # check if a earlier warning file has been created
+    if os.path.exists(FILE_WARNING):
+        if (not os.path.exists(FILE_ESCALATE)):
+            # serious shit, escalate
+            write_file(FILE_ESCALATE, "Escalation has taken place")
+            write_file(FILE_SMS, "SUY-CLOUD: You have received a mail from cloudserver@suy.nl - please check!.")
+            print("  ->Escalate")
+    else:
+        # create a warning file
+        write_file(FILE_WARNING, "In another half day, if no email is read, escalation will take place")
+        write_file(FILE_SMS, "SUY-CLOUD: You have not read mail for 3 days, do this immediately pls or escalate.")
+        print("  ->Warning")
+