176 lines
5.4 KiB
Python
176 lines
5.4 KiB
Python
from uuid import uuid4
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from flask import render_template, redirect, url_for, flash, request
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from flask_login import login_required, current_user
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from app.config import URL
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from app.dashboard.base import dashboard_bp
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from app.email_utils import send_email, render
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from app.extensions import db, limiter
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from app.log import LOG
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from app.models import (
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Alias,
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Contact,
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AliasUsedOn,
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AliasMailbox,
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User,
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ClientUser,
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)
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from app.models import Mailbox
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def transfer(alias, new_user, new_mailboxes: [Mailbox]):
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# cannot transfer alias which is used for receiving newsletter
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if User.get_by(newsletter_alias_id=alias.id):
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raise Exception("Cannot transfer alias that's used to receive newsletter")
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# update user_id
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db.session.query(Contact).filter(Contact.alias_id == alias.id).update(
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{"user_id": new_user.id}
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)
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db.session.query(AliasUsedOn).filter(AliasUsedOn.alias_id == alias.id).update(
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{"user_id": new_user.id}
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)
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db.session.query(ClientUser).filter(ClientUser.alias_id == alias.id).update(
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{"user_id": new_user.id}
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)
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# remove existing mailboxes from the alias
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db.session.query(AliasMailbox).filter(AliasMailbox.alias_id == alias.id).delete()
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# set mailboxes
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alias.mailbox_id = new_mailboxes.pop().id
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for mb in new_mailboxes:
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AliasMailbox.create(alias_id=alias.id, mailbox_id=mb.id)
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# alias has never been transferred before
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if not alias.original_owner_id:
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alias.original_owner_id = alias.user_id
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# inform previous owner
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old_user = alias.user
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send_email(
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old_user.email,
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f"Alias {alias.email} has been received",
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render(
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"transactional/alias-transferred.txt",
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alias=alias,
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),
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render(
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"transactional/alias-transferred.html",
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alias=alias,
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),
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)
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# now the alias belongs to the new user
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alias.user_id = new_user.id
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# set some fields back to default
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alias.disable_pgp = False
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alias.pinned = False
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db.session.commit()
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@dashboard_bp.route("/alias_transfer/send/<int:alias_id>/", methods=["GET", "POST"])
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@login_required
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def alias_transfer_send_route(alias_id):
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alias = Alias.get(alias_id)
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if not alias or alias.user_id != current_user.id:
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flash("You cannot see this page", "warning")
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return redirect(url_for("dashboard.index"))
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if current_user.newsletter_alias_id == alias.id:
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flash(
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"This alias is currently used for receiving the newsletter and cannot be transferred",
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"error",
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)
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return redirect(url_for("dashboard.index"))
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if alias.transfer_token:
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alias_transfer_url = (
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URL + "/dashboard/alias_transfer/receive" + f"?token={alias.transfer_token}"
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)
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else:
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alias_transfer_url = None
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# generate a new transfer_token
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if request.method == "POST":
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if request.form.get("form-name") == "create":
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alias.transfer_token = str(uuid4())
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db.session.commit()
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alias_transfer_url = (
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URL + "/dashboard/alias_transfer/receive" + f"?token={alias.transfer_token}"
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)
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flash("Share URL created", "success")
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return redirect(request.url)
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# request.form.get("form-name") == "remove"
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else:
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alias.transfer_token = None
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db.session.commit()
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alias_transfer_url = None
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flash("Share URL deleted", "success")
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return redirect(request.url)
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return render_template(
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"dashboard/alias_transfer_send.html",
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alias=alias,
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alias_transfer_url=alias_transfer_url,
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)
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@dashboard_bp.route("/alias_transfer/receive", methods=["GET", "POST"])
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@limiter.limit("5/minute")
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@login_required
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def alias_transfer_receive_route():
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"""
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URL has ?alias_id=signed_alias_id
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"""
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token = request.args.get("token")
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alias = Alias.get_by(transfer_token=token)
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if not alias:
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flash("Invalid link", "error")
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return redirect(url_for("dashboard.index"))
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# alias already belongs to this user
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if alias.user_id == current_user.id:
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flash("You already own this alias", "warning")
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return redirect(url_for("dashboard.index"))
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mailboxes = current_user.mailboxes()
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if request.method == "POST":
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mailbox_ids = request.form.getlist("mailbox_ids")
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# check if mailbox is not tempered with
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mailboxes = []
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for mailbox_id in mailbox_ids:
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mailbox = Mailbox.get(mailbox_id)
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if (
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not mailbox
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or mailbox.user_id != current_user.id
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or not mailbox.verified
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):
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flash("Something went wrong, please retry", "warning")
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return redirect(request.url)
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mailboxes.append(mailbox)
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if not mailboxes:
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flash("You must select at least 1 mailbox", "warning")
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return redirect(request.url)
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LOG.d(
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"transfer alias from %s to %s with %s", alias.user, current_user, mailboxes
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)
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transfer(alias, current_user, mailboxes)
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flash(f"You are now owner of {alias.email}", "success")
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return redirect(url_for("dashboard.index", highlight_alias_id=alias.id))
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return render_template(
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"dashboard/alias_transfer_receive.html",
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alias=alias,
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mailboxes=mailboxes,
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)
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