[CLD-6324] Cloud IP Filtering (#24726)

* Initial comit for ip filtering service implementation

* Add audit logs for IP Filters

* start of webapp work

* Stashing

* Updates based on Agniva's feedback around service vs einterface

* Updates completed

* Commit before refactoring, everything's working

* First pass of cleanup complete, front-end tests added

* actually add files

* Updates to some translation strings, running i18n-extract

* Lock everything behind a feature flag

* Fix tests, try to fix some linter stuff

* Fixed linter for JS, on to scss

* Fixed linter for scss

* Fix linter

* More fixes for pipeline

* Support for IPV6

* Remove tsx file that was removed in masteR

* Revert package.json and package-lock.json to master, add cidr-regex dep into channels/package.json

* Another commit to force fix Github

* Fixes around IPV6. Some suggestions from Matt re: UX review. Fixing pipelines for tests and types on new cidr-regex package

* Changes to address Matt's feedback

* A few more changes for clean up

* Add support for permissions

* Fix vet for OpenAPI spec

* Actually add the yaml file for openapi

* Add permission migration to allow support for IP Filtering

* Fix tests

* Final fixes from Matt

* Remove cancel button from page, update link outs to documentation

* Update test to account for removed cancel button

* Adjustments based on feedback from Harrison

* More fixes from PR feedback

* Add a t to fix translations that doesn't seem to be breaking anyone else?

* More fix

* updates for PR feedback

* Fix linter

* Fix types

* Now fix the linter again

* Add back tests because Harrison was able to get them running

* Adjustments for PR feedback

* Remove admin_definition.jsx

* Fix linter

* [CLD-6453] IP Filtering notification email for sysadmins (#25224)

* Initial commit for IP filtering alert email

* Updates to style for email, addition of ip_filtering email:

* Fix pipelines

* Adjustments from Matt's feedback

* Padding changes

* template diff (#25249)

Co-authored-by: Gabe Jackson <3694686+gabrieljackson@users.noreply.github.com>

* Fix hardcoded true, remove bool return value

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Gabe Jackson <3694686+gabrieljackson@users.noreply.github.com>

* Lock feature behind enterprise license. Drop cidr-regex in favour of ipaddr.js dependency. Refactor isIpAddressWithinRanges to use ipaddr.js

* Add a couple server tests

* fix linter

* Fix types from merge conflicts

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Gabe Jackson <3694686+gabrieljackson@users.noreply.github.com>

server/channels/app/email/email.go

@@ -1275,3 +1275,40 @@ func (es *Service) SendRemoveExpiredLicenseEmail(ctaText, ctaLink, email, locale
 
 	return nil
 }
+
+func (es *Service) SendIPFiltersChangedEmail(email string, initiatingUser *model.User, siteURL, portalURL, locale string, isWorkspaceOwner bool) error {
+	T := i18n.GetUserTranslations(locale)
+
+	subject := T("api.templates.ip_filters_changed.subject")
+
+	data := es.NewEmailTemplateData(locale)
+	data.Props["SiteURL"] = siteURL
+	data.Props["Title"] = T("api.templates.ip_filters_changed.title")
+	data.Props["SubTitle"] = T("api.templates.ip_filters_changed.subTitle", map[string]any{"InitiatingUsername": initiatingUser.Username, "SiteURL": siteURL})
+	data.Props["ButtonURL"] = siteURL + "/admin_console/site_config/ip_filtering"
+	data.Props["Button"] = T("api.templates.ip_filters_changed.button")
+	data.Props["TroubleAccessingTitle"] = T("api.templates.ip_filters_changed_footer.title")
+	data.Props["SendAnEmailTo"] = T("api.templates.ip_filters_changed_footer.send_an_email_to", map[string]any{"InitiatingUserEmail": initiatingUser.Email})
+	data.Props["PortalURL"] = portalURL
+	// If the email we're sending to was the one who initiated the change, we don't want to show their email address as a mailto
+	if email != initiatingUser.Email {
+		data.Props["ActorEmail"] = initiatingUser.Email
+	}
+
+	if isWorkspaceOwner {
+		data.Props["LogInToCustomerPortal"] = T("api.templates.ip_filters_changed_footer.log_in_to_customer_portal")
+	}
+	data.Props["ContactSupport"] = T("api.templates.ip_filters_changed_footer.contact_support")
+	data.Props["SupportEmail"] = *es.config().SupportSettings.SupportEmail
+
+	body, err := es.templatesContainer.RenderToString("ip_filters_changed", data)
+	if err != nil {
+		return err
+	}
+
+	if err := es.sendMail(email, subject, body, "PasswordResetEmail"); err != nil {
+		return err
+	}
+
+	return nil
+}