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

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from flask import render_template, request, redirect, url_for, flash
from flask_login import login_required, current_user
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from app.config import MAX_NB_SUBDOMAIN
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from app.dashboard.base import dashboard_bp
from app.errors import SubdomainInTrashError
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from app.log import LOG
from app.models import CustomDomain, Mailbox, SLDomain
@dashboard_bp.route("/subdomain", methods=["GET", "POST"])
@login_required
def subdomain_route():
if not current_user.subdomain_is_available():
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flash("Unknown error, redirect to the home page", "error")
return redirect(url_for("dashboard.index"))
sl_domains = SLDomain.filter_by(can_use_subdomain=True).all()
subdomains = CustomDomain.filter_by(
user_id=current_user.id, is_sl_subdomain=True
).all()
errors = {}
if request.method == "POST":
if request.form.get("form-name") == "create":
if not current_user.is_premium():
flash("Only premium plan can add subdomain", "warning")
return redirect(request.url)
if current_user.subdomain_quota <= 0:
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flash(
f"You can't create more than {MAX_NB_SUBDOMAIN} subdomains", "error"
)
return redirect(request.url)
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subdomain = request.form.get("subdomain").lower().strip()
domain = request.form.get("domain").lower().strip()
if domain not in [sl_domain.domain for sl_domain in sl_domains]:
LOG.e("Domain %s is tampered by %s", domain, current_user)
flash("Unknown error, refresh the page", "error")
return redirect(request.url)
full_domain = f"{subdomain}.{domain}"
if CustomDomain.get_by(domain=full_domain):
flash(f"{full_domain} already used", "error")
elif Mailbox.filter(
Mailbox.verified.is_(True),
Mailbox.email.endswith(f"@{full_domain}"),
).first():
flash(f"{full_domain} already used in a SimpleLogin mailbox", "error")
else:
try:
new_custom_domain = CustomDomain.create(
is_sl_subdomain=True,
catch_all=True, # by default catch-all is enabled
domain=full_domain,
user_id=current_user.id,
verified=True,
dkim_verified=False, # wildcard DNS does not work for DKIM
spf_verified=True,
dmarc_verified=False, # wildcard DNS does not work for DMARC
ownership_verified=True,
commit=True,
)
except SubdomainInTrashError:
flash(
f"{full_domain} has been used before and cannot be reused",
"error",
)
else:
flash(
f"New subdomain {new_custom_domain.domain} is created",
"success",
)
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return redirect(
url_for(
"dashboard.domain_detail",
custom_domain_id=new_custom_domain.id,
)
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)
return render_template(
"dashboard/subdomain.html",
sl_domains=sl_domains,
errors=errors,
subdomains=subdomains,
)