136 lines
3.9 KiB
Python
136 lines
3.9 KiB
Python
# ContentDB
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# Copyright (C) 2018 rubenwardy
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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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, see <https://www.gnu.org/licenses/>.
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from flask import render_template
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from flask_mail import Message
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from app import mail
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from app.models import Notification, db, EmailSubscription
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from app.tasks import celery
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from app.utils import abs_url_for, abs_url, randomString
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def get_email_subscription(email):
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assert type(email) == str
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ret = EmailSubscription.query.filter_by(email=email).first()
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if not ret:
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ret = EmailSubscription(email)
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ret.token = randomString(32)
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db.session.add(ret)
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db.session.commit()
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return ret
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@celery.task()
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def sendVerifyEmail(email, token):
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sub = get_email_subscription(email)
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if sub.blacklisted:
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return
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msg = Message("Confirm email address", recipients=[email])
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msg.body = """
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This email has been sent to you because someone (hopefully you)
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has entered your email address as a user's email.
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If it wasn't you, then just delete this email.
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If this was you, then please click this link to confirm the address:
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{}
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""".format(abs_url_for('users.verify_email', token=token))
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msg.html = render_template("emails/verify.html", token=token, sub=sub)
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mail.send(msg)
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@celery.task()
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def sendUnsubscribeVerifyEmail(email):
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sub = get_email_subscription(email)
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if sub.blacklisted:
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return
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msg = Message("Confirm unsubscribe", recipients=[email])
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msg.body = """
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We're sorry to see you go. You just need to do one more thing before your email is blacklisted.
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Click this link to blacklist email: {}
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""".format(abs_url_for('users.unsubscribe', token=sub.token))
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msg.html = render_template("emails/verify_unsubscribe.html", sub=sub)
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mail.send(msg)
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@celery.task()
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def send_email_with_reason(email, subject, text, html, reason):
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sub = get_email_subscription(email)
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if sub.blacklisted:
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return
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from flask_mail import Message
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msg = Message(subject, recipients=[email])
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msg.body = text
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html = html or text
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msg.html = render_template("emails/base.html", subject=subject, content=html, reason=reason, sub=sub)
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mail.send(msg)
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@celery.task()
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def send_user_email(email: str, subject: str, text: str, html=None):
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return send_email_with_reason(email, subject, text, html,
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"You are receiving this email because you are a registered user of ContentDB.")
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@celery.task()
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def send_anon_email(email: str, subject: str, text: str, html=None):
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return send_email_with_reason(email, subject, text, html,
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"You are receiving this email because someone (hopefully you) entered your email address as a user's email.")
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def sendNotificationEmail(notification):
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sub = get_email_subscription(notification.user.email)
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if sub.blacklisted:
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return
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msg = Message(notification.title, recipients=[notification.user.email])
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msg.body = """
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New notification: {}
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View: {}
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Manage email settings: {}
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Unsubscribe: {}
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""".format(notification.title, abs_url(notification.url),
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abs_url_for("users.email_notifications", username=notification.user.username),
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abs_url_for("users.unsubscribe", token=sub.token))
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msg.html = render_template("emails/notification.html", notification=notification, sub=sub)
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mail.send(msg)
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@celery.task()
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def sendPendingNotifications():
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for notification in Notification.query.filter_by(emailed=False).all():
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if notification.can_send_email():
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sendNotificationEmail(notification)
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notification.emailed = True
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db.session.commit()
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