from flask import render_template, request, redirect, url_for, flash from flask_login import login_required, current_user from flask_wtf import FlaskForm from wtforms import StringField, validators from app.config import EMAIL_SERVERS_WITH_PRIORITY, EMAIL_SERVERS from app.dashboard.base import dashboard_bp from app.dns_utils import get_mx_domains, get_spf_domain from app.extensions import db from app.models import CustomDomain # todo: add more validation class NewCustomDomainForm(FlaskForm): domain = StringField("domain", validators=[validators.DataRequired()]) @dashboard_bp.route("/custom_domain", methods=["GET", "POST"]) @login_required def custom_domain(): # only premium user can add custom domain if not current_user.is_premium(): flash("Only premium user can add custom domains", "warning") return redirect(url_for("dashboard.index")) custom_domains = CustomDomain.query.filter_by(user_id=current_user.id).all() new_custom_domain_form = NewCustomDomainForm() errors = {} if request.method == "POST": if request.form.get("form-name") == "delete": custom_domain_id = request.form.get("custom-domain-id") custom_domain = CustomDomain.get(custom_domain_id) if not custom_domain: flash("Unknown error. Refresh the page", "warning") return redirect(url_for("dashboard.custom_domain")) elif custom_domain.user_id != current_user.id: flash("You cannot delete this domain", "warning") return redirect(url_for("dashboard.custom_domain")) name = custom_domain.domain CustomDomain.delete(custom_domain_id) db.session.commit() flash(f"Domain {name} has been deleted successfully", "success") return redirect(url_for("dashboard.custom_domain")) elif request.form.get("form-name") == "create": if new_custom_domain_form.validate(): new_custom_domain = CustomDomain.create( domain=new_custom_domain_form.domain.data, user_id=current_user.id ) db.session.commit() flash( f"New domain {new_custom_domain.domain} has been created successfully", "success", ) return redirect(url_for("dashboard.custom_domain")) elif request.form.get("form-name") == "check-domain": custom_domain_id = request.form.get("custom-domain-id") custom_domain = CustomDomain.get(custom_domain_id) if not custom_domain: flash("Unknown error. Refresh the page", "warning") return redirect(url_for("dashboard.custom_domain")) elif custom_domain.user_id != current_user.id: flash("You cannot delete this domain", "warning") return redirect(url_for("dashboard.custom_domain")) else: spf_domains = get_spf_domain(custom_domain.domain) for email_server in EMAIL_SERVERS: email_server = email_server[:-1] # remove the trailing . if email_server not in spf_domains: flash( f"{email_server} is not included in your SPF record.", "warning", ) mx_domains = get_mx_domains(custom_domain.domain) if mx_domains != EMAIL_SERVERS: errors[ custom_domain.id ] = f"""Your DNS is not correctly set. The MX record we obtain is: {",".join(mx_domains)}""" else: flash( "Your domain is verified. Now it can be used to create custom alias", "success", ) custom_domain.verified = True db.session.commit() return render_template( "dashboard/custom_domain.html", custom_domains=custom_domains, new_custom_domain_form=new_custom_domain_form, EMAIL_SERVERS_WITH_PRIORITY=EMAIL_SERVERS_WITH_PRIORITY, errors=errors, )