86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
module.exports = {
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REGEXP_INVALID_CLAIM : /[^A-Za-z0-9-]/g,
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REGEXP_INVALID_CHANNEL: /[^A-Za-z0-9-@]/g,
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REGEXP_ADDRESS : /^b(?=[^0OIl]{32,33})[0-9A-Za-z]{32,33}$/,
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CHANNEL_CHAR : '@',
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parseIdentifier : function (identifier) {
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const componentsRegex = new RegExp(
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'([^:$#/]*)' + // value (stops at the first separator or end)
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'([:$#]?)([^/]*)' // modifier separator, modifier (stops at the first path separator or end)
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);
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const [proto, value, modifierSeperator, modifier] = componentsRegex // eslint-disable-line no-unused-vars
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.exec(identifier)
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.map(match => match || null);
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// Validate and process name
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if (!value) {
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throw new Error(`Check your URL. No channel name provided before "${modifierSeperator}"`);
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}
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const isChannel = value.startsWith(module.exports.CHANNEL_CHAR);
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const channelName = isChannel ? value : null;
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let claimId;
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if (isChannel) {
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if (!channelName) {
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throw new Error('Check your URL. No channel name after "@".');
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}
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const nameBadChars = (channelName).match(module.exports.REGEXP_INVALID_CHANNEL);
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if (nameBadChars) {
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throw new Error(`Check your URL. Invalid characters in channel name: "${nameBadChars.join(', ')}".`);
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}
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} else {
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claimId = value;
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}
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// Validate and process modifier
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let channelClaimId;
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if (modifierSeperator) {
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if (!modifier) {
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throw new Error(`Check your URL. No modifier provided after separator "${modifierSeperator}"`);
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}
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if (modifierSeperator === ':') {
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channelClaimId = modifier;
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} else {
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throw new Error(`Check your URL. The "${modifierSeperator}" modifier is not currently supported`);
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}
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}
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return {
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isChannel,
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channelName,
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channelClaimId: channelClaimId || null,
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claimId : claimId || null,
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};
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},
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parseClaim: function (name) {
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const componentsRegex = new RegExp(
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'([^:$#/.]*)' + // name (stops at the first extension)
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'([:$#.]?)([^/]*)' // extension separator, extension (stops at the first path separator or end)
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);
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const [proto, claimName, extensionSeperator, extension] = componentsRegex // eslint-disable-line no-unused-vars
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.exec(name)
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.map(match => match || null);
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// Validate and process name
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if (!claimName) {
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throw new Error('Check your URL. No claim name provided before "."');
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}
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const nameBadChars = (claimName).match(module.exports.REGEXP_INVALID_CLAIM);
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if (nameBadChars) {
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throw new Error(`Check your URL. Invalid characters in claim name: "${nameBadChars.join(', ')}".`);
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}
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// Validate and process extension
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if (extensionSeperator) {
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if (!extension) {
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throw new Error(`Check your URL. No file extension provided after separator "${extensionSeperator}".`);
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}
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if (extensionSeperator !== '.') {
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throw new Error(`Check your URL. The "${extensionSeperator}" separator is not supported in the claim name.`);
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}
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}
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return {
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claimName,
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extension: extension || null,
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};
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},
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};
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