mirror of
https://github.com/Mailu/Mailu.git
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93 lines
2.8 KiB
Python
Executable File
93 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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import sqlite3
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import time
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import os
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import tempfile
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import shlex
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import subprocess
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FETCHMAIL = """
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fetchmail -N \
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--sslcertck --sslcertpath /etc/ssl/certs \
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-f {}
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"""
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RC_LINE = """
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poll "{host}" proto {protocol} port {port}
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user "{username}" password "{password}"
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is "{user_email}"
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smtphost "smtp"
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{options}
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sslproto 'AUTO'
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"""
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def escape_rc_string(arg):
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return arg.replace("\\", "\\\\").replace('"', '\\"')
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def fetchmail(fetchmailrc):
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with tempfile.NamedTemporaryFile() as handler:
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handler.write(fetchmailrc.encode("utf8"))
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handler.flush()
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command = FETCHMAIL.format(shlex.quote(handler.name))
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output = subprocess.check_output(command, shell=True)
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return output
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def run(connection, cursor, debug):
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cursor.execute("""
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SELECT user_email, protocol, host, port, tls, username, password, keep
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FROM fetch
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""")
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for line in cursor.fetchall():
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fetchmailrc = ""
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user_email, protocol, host, port, tls, username, password, keep = line
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options = "options antispam 501, 504, 550, 553, 554"
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options += " ssl" if tls else ""
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options += " keep" if keep else " fetchall"
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fetchmailrc += RC_LINE.format(
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user_email=escape_rc_string(user_email),
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protocol=protocol,
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host=escape_rc_string(host),
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port=port,
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username=escape_rc_string(username),
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password=escape_rc_string(password),
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options=options
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)
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if debug:
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print(fetchmailrc)
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try:
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print(fetchmail(fetchmailrc))
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error_message = ""
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except subprocess.CalledProcessError as error:
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error_message = error.output.decode("utf8")
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# No mail is not an error
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if not error_message.startswith("fetchmail: No mail"):
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print(error_message)
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user_info = "for %s at %s" % (user_email, host)
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# Number of messages seen is not a error as well
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if ("messages" in error_message and
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"(seen " in error_message and
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user_info in error_message):
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print(error_message)
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finally:
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cursor.execute("""
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UPDATE fetch SET error=?, last_check=datetime('now')
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WHERE user_email=?
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""", (error_message.split("\n")[0], user_email))
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connection.commit()
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if __name__ == "__main__":
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debug = os.environ.get("DEBUG", None) == "True"
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db_path = os.environ.get("DB_PATH", "/data/main.db")
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connection = sqlite3.connect(db_path)
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while True:
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cursor = connection.cursor()
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run(connection, cursor, debug)
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cursor.close()
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time.sleep(int(os.environ.get("FETCHMAIL_DELAY", 60)))
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