imapfetch.py can read imap connection from import table

Signed-off-by: Janos SUTO <sj@acts.hu>

util/imapfetch.py

@@ -1,14 +1,32 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
+import MySQLdb as dbapi
 import argparse
+import configparser
 import imaplib
 import re
+import sys
 
 opts = {}
 INBOX = 'INBOX'
 
 
+def read_options(filename="", opts={}):
+    s = "[piler]\n" + open(filename, 'r').read()
+    config = configparser.ConfigParser()
+    config.read_string(s)
+
+    if config.has_option('piler', 'mysqlhost'):
+        opts['dbhost'] = config.get('piler', 'mysqlhost')
+    else:
+        opts['dbhost'] = 'localhost'
+
+    opts['username'] = config.get('piler', 'mysqluser')
+    opts['password'] = config.get('piler', 'mysqlpwd')
+    opts['database'] = config.get('piler', 'mysqldb')
+
+
 def read_folder_list(conn):
     result = []
 
@@ -34,11 +52,13 @@ def read_folder_list(conn):
 
 
 def process_folder(conn, folder):
-    print("Processing {}".format(folder))
+    if opts['verbose']:
+        print("Processing {}".format(folder))
 
     rc, data = conn.select(folder)
     n = int(data[0])
-    print("Folder {} has {} messages".format(folder, n))
+    if opts['verbose']:
+        print("Folder {} has {} messages".format(folder, n))
 
     if n > 0:
         rc, data = conn.search(None, 'ALL')
@@ -46,39 +66,71 @@ def process_folder(conn, folder):
             rc, data = conn.fetch(num, '(RFC822)')
             if opts['verbose']:
                 print(rc, num)
-            opts['counter'] = opts['counter'] + 1
+            opts['counter'] += 1
             with open("{}.eml".format(opts['counter']), "wb") as f:
                 f.write(data[0][1])
 
 
 def main():
     parser = argparse.ArgumentParser()
-    parser.add_argument("-s", "--server", type=str, help="imap server", required=True)
+    parser.add_argument("-c", "--config", type=str, help="piler.conf path",
+                        default="/etc/piler/piler.conf")
+    parser.add_argument("-s", "--server", type=str, help="imap server")
     parser.add_argument("-P", "--port", type=int, help="port number", default=143)
-    parser.add_argument("-u", "--user", type=str, help="imap user", required=True)
+    parser.add_argument("-u", "--user", type=str, help="imap user")
-    parser.add_argument("-p", "--password", type=str, help="imap password",
+    parser.add_argument("-p", "--password", type=str, help="imap password")
-                        required=True)
     parser.add_argument("-x", "--skip-list", type=str, help="IMAP folders to skip",
                         default="junk,trash,spam,draft")
     parser.add_argument("-f", "--folders", type=str,
                         help="Comma separated list of IMAP folders to download")
+    parser.add_argument("-i", "--import-from-table", help="Read imap conn data from import table", action='store_true')
     parser.add_argument("-v", "--verbose", help="verbose mode", action='store_true')
 
     args = parser.parse_args()
 
+    print(args)
+    if not bool(args.import_from_table or args.server):
+        print("Please specify either --import-from-table or --server <imap host>")
+        sys.exit(1)
+
     opts['skip_folders'] = args.skip_list.split(',')
     opts['verbose'] = args.verbose
     opts['counter'] = 0
+    opts['db'] = None
+
+    server = ''
+    user = ''
+    password = ''
+
+    if args.import_table:
+        read_options(args.config, opts)
+        try:
+            opts['db'] = dbapi.connect(opts['dbhost'], opts['username'],
+                                       opts['password'], opts['database'])
+
+            cursor = opts['db'].cursor()
+            cursor.execute("SELECT server, username, password FROM import WHERE started=0")
+
+            row = cursor.fetchone()
+            if row:
+                (server, user, password) = row
+
+        except dbapi.DatabaseError as e:
+            print("Error %s" % e)
+    else:
+        server = args.server
+        user = args.user
+        password = args.password
 
     if opts['verbose']:
         print("Skipped folder list: {}".format(opts['skip_folders']))
 
     if args.port == 993:
-        conn = imaplib.IMAP4_SSL(args.server)
+        conn = imaplib.IMAP4_SSL(server)
     else:
-        conn = imaplib.IMAP4(args.server)
+        conn = imaplib.IMAP4(server)
 
-    conn.login(args.user, args.password)
+    conn.login(user, password)
     conn.select()
 
     if args.folders:
@@ -94,6 +146,10 @@ def main():
 
     conn.close()
 
+    if opts['db']:
+        opts['db'].close()
+
+    print("Processed {} messages".format(opts['counter']))
 
 if __name__ == "__main__":
     main()