app-MAIL-temp/app/dashboard/views/mailbox.py

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import base64
import binascii
import json
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from flask import render_template, request, redirect, url_for, flash
from flask_login import login_required, current_user
from flask_wtf import FlaskForm
from itsdangerous import TimestampSigner
from wtforms import validators, IntegerField
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from wtforms.fields.html5 import EmailField
from app import parallel_limiter, mailbox_utils, user_settings
from app.config import MAILBOX_SECRET
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from app.dashboard.base import dashboard_bp
from app.db import Session
from app.log import LOG
from app.models import Mailbox
from app.utils import CSRFValidationForm
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class NewMailboxForm(FlaskForm):
email = EmailField(
"email", validators=[validators.DataRequired(), validators.Email()]
)
class DeleteMailboxForm(FlaskForm):
mailbox_id = IntegerField(
validators=[validators.DataRequired()],
)
transfer_mailbox_id = IntegerField()
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@dashboard_bp.route("/mailbox", methods=["GET", "POST"])
@login_required
@parallel_limiter.lock(only_when=lambda: request.method == "POST")
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def mailbox_route():
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mailboxes = (
Mailbox.filter_by(user_id=current_user.id)
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.order_by(Mailbox.created_at.desc())
.all()
)
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new_mailbox_form = NewMailboxForm()
csrf_form = CSRFValidationForm()
delete_mailbox_form = DeleteMailboxForm()
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if request.method == "POST":
if request.form.get("form-name") == "delete":
if not delete_mailbox_form.validate():
flash("Invalid request", "warning")
return redirect(request.url)
try:
mailbox = mailbox_utils.delete_mailbox(
current_user,
delete_mailbox_form.mailbox_id.data,
delete_mailbox_form.transfer_mailbox_id.data,
)
except mailbox_utils.MailboxError as e:
flash(e.msg, "warning")
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return redirect(url_for("dashboard.mailbox_route"))
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flash(
f"Mailbox {mailbox.email} scheduled for deletion."
f"You will receive a confirmation email when the deletion is finished",
"success",
)
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return redirect(url_for("dashboard.mailbox_route"))
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if request.form.get("form-name") == "set-default":
if not csrf_form.validate():
flash("Invalid request", "warning")
return redirect(request.url)
try:
mailbox_id = request.form.get("mailbox_id")
mailbox = user_settings.set_default_mailbox(current_user, mailbox_id)
except user_settings.CannotSetMailbox as e:
flash(e.msg, "warning")
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return redirect(url_for("dashboard.mailbox_route"))
flash(f"Mailbox {mailbox.email} is set as Default Mailbox", "success")
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return redirect(url_for("dashboard.mailbox_route"))
elif request.form.get("form-name") == "create":
if not new_mailbox_form.validate():
flash("Invalid request", "warning")
return redirect(request.url)
mailbox_email = new_mailbox_form.email.data.lower().strip().replace(" ", "")
try:
mailbox = mailbox_utils.create_mailbox(
current_user, mailbox_email
).mailbox
except mailbox_utils.MailboxError as e:
flash(e.msg, "warning")
return redirect(url_for("dashboard.mailbox_route"))
flash(
f"You are going to receive an email to confirm {mailbox.email}.",
"success",
)
return redirect(
url_for(
"dashboard.mailbox_detail_route",
mailbox_id=mailbox.id,
)
)
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return render_template(
"dashboard/mailbox.html",
mailboxes=mailboxes,
new_mailbox_form=new_mailbox_form,
delete_mailbox_form=delete_mailbox_form,
csrf_form=csrf_form,
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)
@dashboard_bp.route("/mailbox_verify")
@login_required
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def mailbox_verify():
mailbox_id = request.args.get("mailbox_id")
code = request.args.get("code")
if not code:
# Old way
return verify_with_signed_secret(mailbox_id)
try:
mailbox = mailbox_utils.verify_mailbox_code(current_user, mailbox_id, code)
except mailbox_utils.MailboxError as e:
LOG.i(f"Cannot verify mailbox {mailbox_id} because of {e}")
flash(f"Cannot verify mailbox: {e.msg}", "error")
return render_template("dashboard/mailbox_validation.html", mailbox=mailbox)
LOG.d("Mailbox %s is verified", mailbox)
return render_template("dashboard/mailbox_validation.html", mailbox=mailbox)
def verify_with_signed_secret(request: str):
s = TimestampSigner(MAILBOX_SECRET)
mailbox_verify_request = request.args.get("mailbox_id")
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try:
mailbox_raw_data = s.unsign(mailbox_verify_request, max_age=900)
except Exception:
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flash("Invalid link. Please delete and re-add your mailbox", "error")
return redirect(url_for("dashboard.mailbox_route"))
try:
decoded_data = base64.urlsafe_b64decode(mailbox_raw_data)
except binascii.Error:
flash("Invalid link. Please delete and re-add your mailbox", "error")
return redirect(url_for("dashboard.mailbox_route"))
mailbox_data = json.loads(decoded_data)
if not isinstance(mailbox_data, list) or len(mailbox_data) != 2:
flash("Invalid link. Please delete and re-add your mailbox", "error")
return redirect(url_for("dashboard.mailbox_route"))
mailbox_id = mailbox_data[0]
mailbox = Mailbox.get(mailbox_id)
if not mailbox:
flash("Invalid link", "error")
return redirect(url_for("dashboard.mailbox_route"))
mailbox_email = mailbox_data[1]
if mailbox_email != mailbox.email:
flash("Invalid link", "error")
return redirect(url_for("dashboard.mailbox_route"))
mailbox.verified = True
Session.commit()
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LOG.d("Mailbox %s is verified", mailbox)
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return render_template("dashboard/mailbox_validation.html", mailbox=mailbox)