john
54 lines
1.8 KiB
JavaScript
54 lines
1.8 KiB
JavaScript
import fs from 'node:fs';
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import path from 'node:path';
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const LOCAL_HOST_PATTERN = /^(localhost|127\.0\.0\.1|\[::1\]|192\.168\.|10\.|100\.)/i;
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export function resolvePublicRequestOrigin({ hostHeader = '', forwardedProto = '', protocol = 'http' } = {}) {
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const host = String(hostHeader ?? '').split(',')[0].trim();
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if (!host) return '';
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const fwdProto = String(forwardedProto ?? '').split(',')[0].trim();
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const isLocalHost = LOCAL_HOST_PATTERN.test(host);
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const resolvedProtocol = isLocalHost ? fwdProto || protocol || 'http' : 'https';
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return `${resolvedProtocol}://${host}`;
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}
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export function buildPublishedHtmlViewContext({
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origin = '',
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requestPath = '',
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filePath = '',
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thumbnailPngPathForSvg = (value) => value,
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fileExists = fs.existsSync,
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} = {}) {
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const cleanPath = String(requestPath ?? '').split('?')[0].split('#')[0];
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const servedName = path.basename(String(filePath ?? ''));
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const urlLast = decodeURIComponent(cleanPath.split('/').filter(Boolean).pop() ?? '');
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const isImplicitIndex = urlLast.toLowerCase() !== servedName.toLowerCase();
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const pageUrl = !origin
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? ''
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: `${origin}${isImplicitIndex && !cleanPath.endsWith('/') ? `${cleanPath}/` : cleanPath}`;
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const pageDirUrl = !origin
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? ''
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: isImplicitIndex
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? `${origin}${cleanPath.endsWith('/') ? cleanPath : `${cleanPath}/`}`
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: `${origin}${cleanPath.slice(0, cleanPath.lastIndexOf('/') + 1)}`;
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let fallbackImageUrl = '';
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const svgSibling = String(filePath ?? '').replace(/\.[^./]+$/, '.thumbnail.svg');
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if (pageDirUrl && fileExists(svgSibling)) {
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const pngName = path.basename(thumbnailPngPathForSvg(svgSibling));
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fallbackImageUrl = `${pageDirUrl}${pngName}`;
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}
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return {
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origin,
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cleanPath,
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pageUrl,
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pageDirUrl,
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fallbackImageUrl,
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};
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}
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export const mindspacePublicPageContextInternals = {
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LOCAL_HOST_PATTERN,
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};
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