145 lines
4.9 KiB
Python
145 lines
4.9 KiB
Python
import re
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from email.utils import parseaddr
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from flask import render_template, request, redirect, url_for, flash
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from flask_login import login_required, current_user
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from flask_wtf import FlaskForm
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from wtforms import StringField, validators, ValidationError
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from app.config import EMAIL_DOMAIN
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from app.dashboard.base import dashboard_bp
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from app.extensions import db
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from app.log import LOG
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from app.models import Alias, Contact
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from app.utils import random_string
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def email_validator():
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"""validate email address. Handle both only email and email with name:
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- ab@cd.com
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- AB CD <ab@cd.com>
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"""
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message = "Invalid email format. Email must be either email@example.com or *First Last <email@example.com>*"
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def _check(form, field):
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email = field.data
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email = email.strip()
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email_part = email
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if "<" in email and ">" in email:
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if email.find("<") + 1 < email.find(">"):
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email_part = email[email.find("<") + 1 : email.find(">")].strip()
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if re.match(r"^[A-Za-z0-9\.\+_-]+@[A-Za-z0-9\._-]+\.[a-zA-Z]*$", email_part):
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return
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raise ValidationError(message)
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return _check
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class NewContactForm(FlaskForm):
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email = StringField(
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"Email", validators=[validators.DataRequired(), email_validator()]
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)
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@dashboard_bp.route("/alias_contact_manager/<alias_id>/", methods=["GET", "POST"])
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@dashboard_bp.route(
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"/alias_contact_manager/<alias_id>/<contact_id>", methods=["GET", "POST"]
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)
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@login_required
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def alias_contact_manager(alias_id, contact_id=None):
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alias = Alias.get(alias_id)
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# sanity check
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if not alias:
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flash("You do not have access to this page", "warning")
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return redirect(url_for("dashboard.index"))
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if alias.user_id != current_user.id:
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flash("You do not have access to this page", "warning")
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return redirect(url_for("dashboard.index"))
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new_contact_form = NewContactForm()
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if request.method == "POST":
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if request.form.get("form-name") == "create":
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if new_contact_form.validate():
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contact_email = new_contact_form.email.data.strip()
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# generate a reply_email, make sure it is unique
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# not use while to avoid infinite loop
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reply_email = f"ra+{random_string(25)}@{EMAIL_DOMAIN}"
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for _ in range(1000):
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reply_email = f"ra+{random_string(25)}@{EMAIL_DOMAIN}"
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if not Contact.get_by(reply_email=reply_email):
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break
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_, website_email = parseaddr(contact_email)
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# already been added
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if Contact.get_by(gen_email_id=alias.id, website_email=website_email):
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flash(f"{website_email} is already added", "error")
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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contact = Contact.create(
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gen_email_id=alias.id,
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website_email=website_email,
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website_from=contact_email,
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reply_email=reply_email,
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)
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LOG.d("create reverse-alias for %s", contact_email)
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db.session.commit()
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flash(f"Reverse alias for {contact_email} is created", "success")
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return redirect(
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url_for(
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"dashboard.alias_contact_manager",
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alias_id=alias_id,
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contact_id=contact.id,
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)
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)
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elif request.form.get("form-name") == "delete":
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contact_id = request.form.get("contact-id")
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contact = Contact.get(contact_id)
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if not contact:
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flash("Unknown error. Refresh the page", "warning")
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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elif contact.gen_email_id != alias.id:
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flash("You cannot delete reverse-alias", "warning")
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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contact_name = contact.website_from
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Contact.delete(contact_id)
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db.session.commit()
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flash(f"Reverse-alias for {contact_name} has been deleted", "success")
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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# make sure highlighted contact is at array start
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contacts = alias.contacts
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if contact_id:
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contacts = sorted(contacts, key=lambda fe: fe.id == contact_id, reverse=True)
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return render_template(
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"dashboard/alias_contact_manager.html",
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contacts=contacts,
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alias=alias,
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new_contact_form=new_contact_form,
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contact_id=contact_id,
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)
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