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Standard email API

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This commit is contained in:
Yingtong Li 2018-01-07 20:21:37 +08:00
parent 60cd69bb1b
commit 7bbffb47af
Signed by: RunasSudo
GPG Key ID: 7234E476BF21C61A
4 changed files with 72 additions and 48 deletions
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12
eos/base/election.py
View File

@ -95,18 +95,6 @@ class EmailUser(User):
if not isinstance(other, EmailUser):
return False
return self.email.lower() == other.email.lower() and self.password == other.password
def send_email(self, host, port, username, password, from_email, content):
#__pragma__('skip')
import smtplib
#__pragma__('noskip')
with smtplib.SMTP(host, port) as smtp:
if username is not None:
smtp.login(username, password)
smtp.sendmail(from_email, [self.email], content)
def email_password(self, host, port, username, password, from_email):
self.send_email(host, port, username, password, from_email, 'Subject: Registered to vote in {1}\nFrom: {4}\nTo: {2}\n\nDear {0},\n\nYou are registered to vote in the election {1}. Your log in details are as follows:\n\nEmail: {2}\nPassword: {3}'.format(self.name, self.recurse_parents(Election).name, self.email, self.password, from_email))
class UserVoter(Voter):
user = EmbeddedObjectField()

67
eosweb/core/emails.py Normal file
View File

@ -0,0 +1,67 @@
# Eos - Verifiable elections
# Copyright © 2017-18 RunasSudo (Yingtong Li)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import premailer
import sass
import flask
import flask_mail
from eos.base.election import *
def send_email(title, html_text, body_text, recipients):
# Prepare email
css = sass.compile(string=flask.render_template('email/base.scss'))
html = flask.render_template(
'email/base.html',
title=title,
css=css,
text=html_text
)
html = premailer.Premailer(html, strip_important=False).transform()
body = flask.render_template(
'email/base.txt',
title=title,
text=body_text
)
# Send email
mail = flask_mail.Mail(flask.current_app)
msg = flask_mail.Message(
title,
recipients=recipients,
body=body,
html=html
)
mail.send(msg)
def voter_email_password(election, voter):
send_email(
'Registered to vote: {}'.format(election.name),
'<p>Dear {},</p><p>You are registered to vote in <i>{}</i>.</p><p>Your login details are as follows:</p><p>Email: <code>{}</code></p><p>Password: <code>{}</code></p>'.format(voter.name, election.name, voter.user.email, voter.user.password),
'Dear {},\n\nYou are registered to vote in "{}".\n\nYour login details are as follows:\n\nEmail: {}\nPassword: {}'.format(voter.name, election.name, voter.user.email, voter.user.password),
[voter.user.email]
)
def task_email_failure(task):
send_email(
'Task failed: {}'.format(task.label),
'<p>The task <i>{}</i> failed execution. The output was:</p><pre>{}</pre>'.format(task.label, '\n'.join(task.messages)),
'The task "{}" failed execution. The output was:\n\n{}'.format(task.label, '\n'.join(task.messages)),
[admin.email for admin in flask.current_app.config['ADMINS'] if isinstance(admin, EmailUser)]
)

4
eosweb/core/main.py
View File

@ -30,6 +30,8 @@ from eos.psr.workflow import *
from eosweb.core.tasks import *
from . import emails
import eos.core.hashing
import eosweb
@ -123,7 +125,7 @@ def setup_test_election():
for voter in election.voters:
if isinstance(voter, UserVoter):
if isinstance(voter.user, EmailUser):
voter.user.email_password(app.config['SMTP_HOST'], app.config['SMTP_PORT'], app.config['SMTP_USER'], app.config['SMTP_PASS'], app.config['SMTP_FROM'])
emails.voter_email_password(election, voter)
election.mixing_trustees.append(InternalMixingTrustee(name='Eos Voting'))
election.mixing_trustees.append(InternalMixingTrustee(name='Eos Voting'))

37
eosweb/core/tasks.py
View File

@ -14,47 +14,14 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import premailer
import sass
import flask
import flask_mail
from . import emails
from eos.core.tasks import *
from eos.base.election import *
class WebTask(Task):
def error(self):
import eosweb
# Prepare email
title = 'Task failed: {}'.format(self.label)
css = sass.compile(string=flask.render_template('email/base.scss'))
html = flask.render_template(
'email/base.html',
title=title,
css=css,
text='<p>The task <i>{}</i> failed execution. The output was:</p><pre>{}</pre>'.format(self.label, '\n'.join(self.messages))
)
html = premailer.Premailer(html, strip_important=False).transform()
body = flask.render_template(
'email/base.txt',
title=title,
text='The task "{}" failed execution. The output was:\n\n{}'.format(self.label, '\n'.join(self.messages))
)
# Send email
mail = flask_mail.Mail(eosweb.app)
msg = flask_mail.Message(
title,
recipients=[admin.email for admin in eosweb.app.config['ADMINS'] if isinstance(admin, EmailUser)],
body=body,
html=html
)
mail.send(msg)
emails.task_email_failure(self)
class WorkflowTaskEntryWebTask(WorkflowTaskEntryTask, WebTask):
pass