Zj dZddlZddlZdZdeezdefdZdeezdeezd eezdefd Zdeezdeezdefd Zdeezdeezde eeffd Z deezd eezdefdZ dS)z! Authentication related methods. N)auth_crammd5_verifyauth_login_encodeauth_plain_encodeauth_xoauth2_encodevaluereturnctt|tttfr|S|dS)Nzutf-8) isinstancebytes bytearray memoryviewencode)rs S/var/www/app.qaans.com/backend/venv/lib/python3.11/site-packages/aiosmtplib/auth.py _ensure_bytesrs2%%J788 <<  usernamepassword challengect|}t|}tj|}tj||d}|dz|dz}tj|}|S)z CRAM-MD5 auth uses the password as a shared secret to MD5 the server's response, and sends the username combined with that (base64 encoded). md5)msg digestmod ascii)rbase64 b64decodehmacnew hexdigestr b64encode) rrrusername_bytespassword_bytesdecoded_challenge md5_digest verificationencoded_verifications rrrs#8,,N"8,,N(33..?5QQQJ!D(:+?+?+A+A+H+H+Q+QQL!+L99 rct|}t|}d|zdz|z}tj|}|S)zG PLAIN auth base64 encodes the username and password together. rrr )rrr!r"username_and_passwordencodeds rrr,sI#8,,N"8,,N!N2U:^K455G Nrct|}t|}tj|}tj|}||fS)z] LOGIN auth base64 encodes the username and password and sends them in sequence. r))rrr!r"encoded_usernameencoded_passwords rrr=sL#8,,N"8,,N'77'77 - --r access_tokenct|}t|}d|zdz|zdz}tj|}|S)z XOAUTH2 auth encodes the username and OAuth2 access token per https://developers.google.com/gmail/imap/xoauth2-protocol Format: base64("user=" + username + "\x01auth=Bearer " + token + "\x01\x01") suser=s auth=Bearer sr))rr/r! token_bytes auth_stringr+s rrrOsT#8,,N --K >!$77+E S{++G Nr) __doc__rr__all__strr rrrtuplerrrrr8sI  !u!!!!! Ek Ek U{      *EkEk ".Ek.Ek. 5%< ....$Ek+ r