Paul Nothaft
64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
const SHARE_TOKEN_REGEX = /^[0-9a-fA-F]{32}$/;
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/**
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* Extracts the share token portion from a stored share link.
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* Supports full URLs, absolute paths, and legacy slug/token formats.
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* @param {string|null|undefined} shareLink
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* @returns {string|null}
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*/
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function extractShareToken(shareLink) {
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if (!shareLink) {
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return null;
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}
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const trimmed = String(shareLink).trim();
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if (!trimmed) {
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return null;
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}
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// Remove protocol + host when a full URL is stored
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const path = trimmed.replace(/^https?:\/\/[^/]+/i, '');
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const segments = path.split('/').filter(Boolean);
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if (segments.length === 0) {
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return null;
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}
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const candidate = segments[segments.length - 1];
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return candidate || null;
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}
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/**
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* Returns true if the provided identifier looks like a generated share token.
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* @param {string|null|undefined} identifier
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* @returns {boolean}
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*/
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function isPotentialShareToken(identifier) {
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if (!identifier) {
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return false;
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}
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return SHARE_TOKEN_REGEX.test(String(identifier).trim());
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}
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/**
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* Builds the gallery share path depending on whether short URLs are enabled.
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* @param {string} slug
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* @param {string} shareToken
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* @param {boolean} useShort
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* @returns {string}
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*/
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function buildSharePath(slug, shareToken, useShort) {
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if (!shareToken) {
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throw new Error('shareToken is required to build share path');
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}
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if (useShort || !slug) {
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return `/gallery/${shareToken}`;
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}
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return `/gallery/${slug}/${shareToken}`;
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}
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module.exports = {
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extractShareToken,
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isPotentialShareToken,
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buildSharePath
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};
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