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remove the copy button, use CNAME for DKIM

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This commit is contained in:
Son NK 2020-05-03 11:19:14 +02:00
parent 625def2367
commit 6a42673229
3 changed files with 53 additions and 32 deletions
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51
app/dashboard/templates/dashboard/domain_detail/dns.html
View file

@ -28,19 +28,21 @@
</div>
<div class="mb-2">Add the following MX DNS record to your domain. <br>
Please note that there's a point (<em>.</em>) at the end target addresses. <br>
Please note that there's a point (<em>.</em>) at the end target addresses.
This is to make sure the <i>absolute</i> address is used.
<br>
Also some domain registrars (Namecheap, CloudFlare, etc) might use <em>@</em> for the root domain.
</div>
{% for priority, email_server in EMAIL_SERVERS_WITH_PRIORITY %}
<div class="mb-3 p-3" style="background-color: #eee">
Domain: <em>{{ custom_domain.domain }}</em> or <em>@</em> <br>
Record: MX <br>
Domain: {{ custom_domain.domain }} or @ <br>
Priority: {{ priority }} <br>
Target: <em>{{ email_server }}</em>
<button class="ml-4 clipboard btn btn-sm btn-outline-success" data-clipboard-action="copy"
data-clipboard-text="{{ email_server }}">
Copy <i class="fe fe-clipboard"></i>
</button>
Target: <em data-toggle="tooltip"
title="Click to copy"
class="clipboard"
data-clipboard-text="{{ email_server }}">{{ email_server }}</em>
</div>
{% endfor %}
@ -93,18 +95,18 @@
Setting up SPF is highly recommended to reduce the chance your emails ending up in the recipient's Spam folder.
</div>
<div class="mb-2">Add the following TXT DNS record to your domain</div>
<div class="mb-2">Add the following TXT DNS record to your domain.</div>
<div class="mb-2 p-3" style="background-color: #eee">
Domain: <em>{{ custom_domain.domain }}</em> or <em>@</em> <br>
Record: TXT <br>
Domain: {{ custom_domain.domain }} or @ <br>
Value:
<em>
<em data-toggle="tooltip"
title="Click to copy"
class="clipboard"
data-clipboard-text="{{ spf_record }}">
{{ spf_record }}
</em>
<button class="ml-4 clipboard btn btn-sm btn-outline-success" data-clipboard-action="copy"
data-clipboard-text="{{ spf_record }}">
Copy <i class="fe fe-clipboard"></i>
</button>
</div>
<form method="post" action="#spf-form">
@ -158,18 +160,21 @@
Setting up DKIM is highly recommended to reduce the chance your emails ending up in the recipient's Spam folder.
</div>
<div class="mb-2">Add the following TXT DNS record to your domain</div>
<div class="mb-2">Add the following CNAME DNS record to your domain.</div>
<div class="mb-2 p-3" style="background-color: #eee">
Domain: <em>dkim._domainkey.{{ custom_domain.domain }}</em> <br>
Record: CNAME <br>
Domain: <em data-toggle="tooltip"
title="Click to copy"
class="clipboard"
data-clipboard-text="dkim._domainkey.">dkim._domainkey.</em>{{ custom_domain.domain }} <br>
Value:
<em style="overflow-wrap: break-word">
{{ dkim_record }}
<em data-toggle="tooltip"
title="Click to copy"
class="clipboard"
data-clipboard-text="{{ dkim_cname }}" style="overflow-wrap: break-word">
{{ dkim_cname }}
</em>
<button class="ml-4 clipboard btn btn-sm btn-outline-success" data-clipboard-action="copy"
data-clipboard-text="{{ dkim_record }}">
Copy <i class="fe fe-clipboard"></i>
</button>
</div>
<form method="post" action="#dkim-form">
@ -189,7 +194,7 @@
<div class="text-danger mt-4">
Your DNS is not correctly set.
{% if dkim_errors %}
The TXT record we obtain for
The CNAME record we obtain for
<em>dkim._domainkey.{{ custom_domain.domain }}</em> is:
<div class="mb-3 p-3" style="background-color: #eee">

19
app/dashboard/views/domain_detail.py
View file

@ -8,6 +8,7 @@ from app.dns_utils import (
get_spf_domain,
get_dkim_record,
get_txt_record,
get_cname_record,
)
from app.extensions import db
from app.models import CustomDomain, Alias
@ -21,6 +22,11 @@ def domain_detail_dns(custom_domain_id):
flash("You cannot see this page", "warning")
return redirect(url_for("dashboard.index"))
spf_record = f"v=spf1 include:{EMAIL_DOMAIN} -all"
# hardcode the DKIM selector here
dkim_cname = f"dkim._domainkey.{EMAIL_DOMAIN}"
mx_ok = spf_ok = dkim_ok = True
mx_errors = spf_errors = dkim_errors = []
@ -67,9 +73,8 @@ def domain_detail_dns(custom_domain_id):
spf_errors = get_txt_record(custom_domain.domain)
elif request.form.get("form-name") == "check-dkim":
dkim_record = get_dkim_record(custom_domain.domain)
correct_dkim_record = f"v=DKIM1; k=rsa; p={DKIM_DNS_VALUE}"
if dkim_record == correct_dkim_record:
dkim_record = get_cname_record(custom_domain.domain)
if dkim_record == dkim_cname:
flash("The DKIM is setup correctly.", "success")
custom_domain.dkim_verified = True
db.session.commit()
@ -80,13 +85,9 @@ def domain_detail_dns(custom_domain_id):
)
)
else:
flash("DKIM: the TXT record is not correctly set", "warning")
flash("DKIM: the CNAME record is not correctly set", "warning")
dkim_ok = False
dkim_errors = get_txt_record(f"dkim._domainkey.{custom_domain.domain}")
spf_record = f"v=spf1 include:{EMAIL_DOMAIN} -all"
dkim_record = f"v=DKIM1; k=rsa; p={DKIM_DNS_VALUE}"
dkim_errors = [dkim_record or "[Empty]"]
return render_template(
"dashboard/domain_detail/dns.html",

15
app/dns_utils.py
View file

@ -1,3 +1,5 @@
from typing import Optional
import dns.resolver
@ -10,6 +12,19 @@ def _get_dns_resolver():
return my_resolver
def get_cname_record(hostname) -> Optional[str]:
"""Return the CNAME record if exists for a domain"""
try:
answers = _get_dns_resolver().query(hostname, "CNAME")
except Exception:
return None
for a in answers:
return a
return None
def get_mx_domains(hostname) -> [(int, str)]:
"""return list of (priority, domain name).
domain name ends with a "." at the end.