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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""A convenience class around smtplib."""
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# If this fails, it just returns an error, but it shouldn't raise an
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# exception unless something goes really wrong (in which case we want
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self._connection.starttls()
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# Say EHLO (falling back to HELO) to query the server's features.
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code, resp = self._connection.ehlo()
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if not (200 <= code <= 299):
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code, resp = self._connection.helo()
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if not (200 <= code <= 299):
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raise SMTPError("server refused HELO: %d %s" % (code, resp))
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# Use TLS if the server advertised it:
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if self._connection.has_extn("starttls"):
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code, resp = self._connection.starttls()
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if not (200 <= code <= 299):
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raise SMTPError("server refused STARTTLS: %d %s" % (code, resp))
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# Say EHLO again, to check for newly revealed features
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code, resp = self._connection.ehlo()
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if not (200 <= code <= 299):
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raise SMTPError("server refused EHLO: %d %s" % (code, resp))
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def _authenticate(self):
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"""If necessary authenticate yourself to the server."""
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auth = config.AuthenticationConfig()
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if self._smtp_username is None:
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# FIXME: Since _authenticate gets called even when no authentication
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# is necessary, it's not possible to use the default username
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self._smtp_username = auth.get_user('smtp', self._smtp_server)
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if self._smtp_username is None:
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if self._smtp_password is None:
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self._smtp_password = ui.ui_factory.get_password(
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'Please enter the SMTP password: %(user)s@%(host)s',
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user=self._smtp_username,
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host=self._smtp_server)
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self._connection.login(self._smtp_username, self._smtp_password)
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self._smtp_password = auth.get_password(
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'smtp', self._smtp_server, self._smtp_username)
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# smtplib requires that the username and password be byte
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# strings. The CRAM-MD5 spec doesn't give any guidance on
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# encodings, but the SASL PLAIN spec says UTF-8, so that's
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username = osutils.safe_utf8(self._smtp_username)
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password = osutils.safe_utf8(self._smtp_password)
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self._connection.login(username, password)
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def get_message_addresses(message):