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Add some basic explanations for A, AAAA, NS, TXT, CNAME, MX records.

display
Philippe PITTOLI 2024-06-07 04:00:06 +02:00
parent 2f75e29991
commit dcc587bd19
2 changed files with 129 additions and 12 deletions
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37
src/App/Page/Zone.purs
View File

@ -2,12 +2,14 @@
-- |
-- | This interface enables to:
-- | - display all resource records of a zone (SOA, NS, A, AAAA, CNAME, TXT, MX, SRV)
-- | - provide dedicated interfaces for SPF and DKIM (TODO: DMARC)
-- | - provide dedicated interfaces for SPF, DKIM and DMARC
-- | - add, modify, remove resource records
-- |
-- | **WIP**: Display relevant information for each record type in the (add/mod) modal.
-- | This includes explaining use cases and displaying an appropriate interface for the task at hand.
-- |
-- | TODO: CAA records.
-- |
-- | TODO: display errors not only for a record but for the whole zone.
-- | A DNS zone is bound by a set of rules, the whole zone must be consistent.
-- | For example, a CNAME `target` has to point to the `name` of an existing record.
@ -294,7 +296,7 @@ default_domain :: String
default_domain = "netlib.re"
default_rr_A :: ResourceRecord
default_rr_A = emptyRR { rrtype = "A", name = "www", target = "192.0.2.1" }
default_rr_A = emptyRR { rrtype = "A", name = "server1", target = "192.0.2.1" }
default_empty_rr :: ResourceRecord
default_empty_rr = default_rr_A
@ -387,11 +389,11 @@ render state
render_current_rr_modal :: forall w. HH.HTML w Action
render_current_rr_modal =
case state._currentRR.rrtype of
"A" -> template modal_content_simple (foot_content A)
"AAAA" -> template modal_content_simple (foot_content AAAA)
"TXT" -> template modal_content_simple (foot_content TXT)
"CNAME" -> template modal_content_simple (foot_content CNAME)
"NS" -> template modal_content_simple (foot_content NS)
"A" -> template (modal_content_simple A) (foot_content A)
"AAAA" -> template (modal_content_simple AAAA) (foot_content AAAA)
"TXT" -> template (modal_content_simple TXT) (foot_content TXT)
"CNAME" -> template (modal_content_simple CNAME) (foot_content CNAME)
"NS" -> template (modal_content_simple NS) (foot_content NS)
"MX" -> template modal_content_mx (foot_content MX)
"SRV" -> template modal_content_srv (foot_content SRV)
"SPF" -> template modal_content_spf (foot_content SPF)
@ -404,9 +406,10 @@ render state
render_errors = if A.length state._currentRR_errors > 0
then HH.div_ $ [ Bulma.h3 "Errors: " ] <> map error_to_paragraph state._currentRR_errors
else HH.div_ [ ]
modal_content_simple :: Array (HH.HTML w Action)
modal_content_simple =
modal_content_simple :: AcceptedRRTypes -> Array (HH.HTML w Action)
modal_content_simple x =
[ render_errors
, render_introduction_text x
, Bulma.input_with_side_text ("domain" <> state._currentRR.rrtype) "Name" "www"
(updateForm Field_Domain)
state._currentRR.name
@ -428,9 +431,19 @@ render state
]
else []
_ -> []
render_introduction_text :: AcceptedRRTypes -> HH.HTML w Action
render_introduction_text = case _ of
A -> Bulma.div_content [] [Bulma.explanation Explanations.a_introduction]
AAAA -> Bulma.div_content [] [Bulma.explanation Explanations.aaaa_introduction]
TXT -> Bulma.div_content [] [Bulma.explanation Explanations.txt_introduction]
CNAME -> Bulma.div_content [] [Bulma.explanation Explanations.cname_introduction]
NS -> Bulma.div_content [] [Bulma.explanation Explanations.ns_introduction]
_ -> HH.p_ []
modal_content_mx :: Array (HH.HTML w Action)
modal_content_mx =
[ render_errors
, Bulma.div_content [] [Bulma.explanation Explanations.mx_introduction]
, Bulma.input_with_side_text "domainMX" "Name" "www"
(updateForm Field_Domain)
state._currentRR.name
@ -665,11 +678,11 @@ handleAction = case _ of
CreateNewRRModal t -> do
state <- H.get
H.modify_ _ { rr_modal = NewRRModal t }
let default_rr_AAAA = emptyRR { rrtype = "AAAA", name = "www", target = "2001:db8::1" }
let default_rr_AAAA = emptyRR { rrtype = "AAAA", name = "server1", target = "2001:db8::1" }
default_rr_TXT = emptyRR { rrtype = "TXT", name = "txt", target = "some text" }
default_rr_CNAME = emptyRR { rrtype = "CNAME", name = "blog", target = "www" }
default_rr_CNAME = emptyRR { rrtype = "CNAME", name = "www", target = "server1" }
default_rr_NS = emptyRR { rrtype = "NS", name = (state._domain <> "."), target = "ns0.example.com." }
default_rr_MX = emptyRR { rrtype = "MX", name = "mail", target = "www", priority = Just 10 }
default_rr_MX = emptyRR { rrtype = "MX", name = "mail", target = "server1", priority = Just 10 }
default_rr_SRV = emptyRR { rrtype = "SRV", name = "voip", target = "server1"
, port = Just 5061, weight = Just 100, priority = Just 10, protocol = Just "tcp" }
default_mechanisms = maybe [] (\x -> [x]) $ to_mechanism "pass" "mx" ""

104
src/App/Text/Explanations.purs
View File

@ -155,6 +155,110 @@ basics = HH.div_
, Bulma.p "Check out the \"Tokens? 🤨\" tab."
]
a_introduction :: forall w i. Array (HH.HTML w i)
a_introduction =
[ Bulma.p """
The A record enables to bind an IPv4 address to a domain.
"""
, HH.p []
[ HH.text "🚨 "
, HH.u_ [HH.text "Advice for beginners"]
, HH.text ":"
, HH.text """
the "Name" field is for the name of the record, which should be the name of the server owning this IP address, such as "server1".
The "Target" field is for the IP address.
The default TTL should be fine.
"""
]
]
aaaa_introduction :: forall w i. Array (HH.HTML w i)
aaaa_introduction =
[ Bulma.p """
The AAAA record enables to bind an IPv6 address to a domain.
"""
, HH.p []
[ HH.text "🚨 "
, HH.u_ [HH.text "Advice for beginners"]
, HH.text ":"
, HH.text """
the "Name" field is for the name of the record, which should be the name of the server owning this IP address, such as "server1".
The "Target" field is for the IP address.
The default TTL should be fine.
"""
]
]
cname_introduction :: forall w i. Array (HH.HTML w i)
cname_introduction =
[ Bulma.p """
The CNAME record enables to provide alternative names to records.
"""
, HH.p []
[ HH.text "🚨 "
, HH.u_ [HH.text "Advice for beginners"]
, HH.text ":"
, HH.text """
this resource record helps keeping your zone clean.
Let's say you have a server named "server1", you can register an A record for that server (since the server actually has an IP address).
Then, your hosted services will be registered in your zone as CNAMEs: "www", "blog" and "voip" will point to "server1", the actual server hosting these services.
"""
]
]
mx_introduction :: forall w i. Array (HH.HTML w i)
mx_introduction =
[ Bulma.p """
The MX record enables to add a mail server to your zone.
"""
, HH.p []
[ HH.text "🚨 "
, HH.u_ [HH.text "Advice for beginners"]
, HH.text ": handling a mail server is both complex and difficult."
, HH.text """
The tab "The basics 🧠" explains some parts of hosting a mail server, but keep in mind that this is time consuming to get it together.
This page talks about the DNS aspect of it, but doesn't cover all you need to know to actually host a mail server, by a long shot.
"""
]
, Bulma.p """
Anyway, the MX record itself is simple to understand.
Let's say you have a server named "server1" with your mail service.
The MX record can be named "mail" and it will target "server1".
Of course, "server1" needs a record for its IP address (A or AAAA).
"""
, Bulma.p """
The priority field is important only in case you have multiple mail servers; keep the default value.
"""
]
txt_introduction :: forall w i. Array (HH.HTML w i)
txt_introduction =
[ Bulma.p """
The TXT record enables to declare a small text.
"""
, HH.p []
[ HH.text "🚨 "
, HH.u_ [HH.text "Advice for beginners"]
, HH.text ":"
, HH.text """
do not use this record directly.
TXT records are used in several places, for example for mail security through SPF, DKIM and DMARC records.
"""
]
, Bulma.notification_danger' """
All of these specific records have a dedicated user interface on this website;
use them instead of writing these records by yourself.
"""
]
ns_introduction :: forall w i. Array (HH.HTML w i)
ns_introduction =
[ Bulma.p """
The NS record enables to declare a new Name Server, meaning a new server that would serve this zone.
"""
, Bulma.notification_danger' "🚨 Advice for beginners: do not use this resource record."
]
dkim_introduction :: forall w i. Array (HH.HTML w i)
dkim_introduction =
[ Bulma.p """