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Code Issues Releases Activity

NEW FEATURE: M365_BUILDER() (Microsoft 365 builder) (#2365)

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Co-authored-by: Tom Limoncelli <tlimoncelli@stackoverflow.com>
This commit is contained in:
Julius Rickert
2023-05-17 16:38:24 +02:00
committed by GitHub
parent 835ea8817a
commit 08cdba4a79
3 changed files with 247 additions and 0 deletions
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128
pkg/js/helpers.js
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@ -1633,6 +1633,134 @@ function DMARC_BUILDER(value) {
return TXT(label, record.join('; '));
}
// Documentation of the records: https://learn.microsoft.com/en-us/microsoft-365/enterprise/external-domain-name-system-records?view=o365-worldwide
function M365_BUILDER(name, value) {
// value is optional
if (!value) {
value = {};
}
if (value.mx !== false) {
value.mx = true;
}
if (value.autodiscover !== false) {
value.autodiscover = true;
}
if (value.dkim !== false) {
value.dkim = true;
}
if (!value.label) {
value.label = '@';
}
if (!value.domainGUID) {
// Does not work with dashes in domain name.
// Microsoft uses its own, (probably) deterministic algorithm to transform these domains.
// Unfortunately, underlying algorithm is not known to us.
if (name.indexOf('-') !== -1) {
throw (
'M365_BUILDER requires domainGUID for domains with dashes: ' +
name
);
}
value.domainGUID = name.replace('.', '-');
}
if (value.dkim && !value.initialDomain) {
throw (
"M365_BUILDER requires your M365 account's initial domain to set up DKIM (default: enabled): " +
name
);
}
r = [];
// MX (default: true)
if (value.mx) {
r.push(
MX(
value.label,
0,
value.domainGUID + '.mail.protection.outlook.com.'
)
);
}
// Autodiscover (default: true)
if (value.autodiscover) {
if ((value.label = '@')) {
r.push(CNAME('autodiscover', 'autodiscover.outlook.com.'));
} else {
r.push(
CNAME(
'autodiscover.' + value.label,
'autodiscover.outlook.com.'
)
);
}
}
// DKIM (default: true)
if (value.dkim) {
r.push(
CNAME(
'selector1._domainkey',
'selector1-' +
value.domainGUID +
'._domainkey.' +
value.initialDomain +
'.'
)
);
r.push(
CNAME(
'selector2._domainkey',
'selector2-' +
value.domainGUID +
'._domainkey.' +
value.initialDomain +
'.'
)
);
}
// Skype for Business (default: false)
if (value.skypeForBusiness) {
r.push(CNAME('lyncdiscover', 'webdir.online.lync.com.'));
r.push(CNAME('sip', 'sipdir.online.lync.com.'));
r.push(SRV('_sip._tls', 100, 1, 443, 'sipdir.online.lync.com.'));
r.push(
SRV(
'_sipfederationtls._tcp',
100,
1,
5061,
'sipfed.online.lync.com.'
)
);
}
// Mobile Device Management (default: false)
if (value.mdm) {
r.push(
CNAME(
'enterpriseregistration',
'enterpriseregistration.windows.net.'
)
);
r.push(
CNAME(
'enterpriseenrollment',
'enterpriseenrollment.manage.microsoft.com.'
)
);
}
return r;
}
// This is a no-op. Long TXT records are handled natively now.
function DKIM(arr) {
return arr;