gotosocial/web/source/settings/lib/import-export.js

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1.7 KiB
JavaScript

/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
const Promise = require("bluebird");
const isValidDomain = require("is-valid-domain");
function parseDomainList(list) {
if (list[0] == "[") {
return JSON.parse(list);
} else {
return list.split("\n").map((line) => {
let trimmed = line.trim();
return trimmed.length > 0
? { domain: trimmed }
: null;
}).filter((a) => a); // not `null`
}
}
function validateDomainList(list) {
list.forEach((entry) => {
entry.valid = isValidDomain(entry.domain, { wildcard: true, allowUnicode: true });
});
return list;
}
function deduplicateDomainList(list) {
let domains = new Set();
return list.filter((entry) => {
if (domains.has(entry.domain)) {
return false;
} else {
domains.add(entry.domain);
return true;
}
});
}
module.exports = function processDomainList(data) {
return Promise.try(() => {
return parseDomainList(data);
}).then((parsed) => {
return deduplicateDomainList(parsed);
}).then((deduped) => {
return validateDomainList(deduped);
});
};