DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
65 lines
No EOL
2.7 KiB
Text
65 lines
No EOL
2.7 KiB
Text
// micromatch is only available at node runtime, so it cannot be used here since the code path that calls this function
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// can be run from edge. This is a simple implementation that safely achieves the required functionality.
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// the goal is to match the functionality for remotePatterns as defined here -
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// https://nextjs.org/docs/app/api-reference/components/image#remotepatterns
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// TODO - retrofit micromatch to work in edge and use that instead
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function matchWildcardDomain(domain, pattern) {
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const domainParts = domain.split('.');
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const patternParts = pattern.split('.');
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if (patternParts.length < 1) {
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// pattern is empty and therefore invalid to match against
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return false;
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}
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if (domainParts.length < patternParts.length) {
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// domain has too few segments and thus cannot match
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return false;
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}
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// Prevent wildcards from matching entire domains (e.g. '**' or '*.com')
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// This ensures wildcards can only match subdomains, not the main domain
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if (patternParts.length === 1 && (patternParts[0] === '*' || patternParts[0] === '**')) {
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return false;
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}
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while(patternParts.length){
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const patternPart = patternParts.pop();
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const domainPart = domainParts.pop();
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switch(patternPart){
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case '':
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{
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// invalid pattern. pattern segments must be non empty
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return false;
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}
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case '*':
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{
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// wildcard matches anything so we continue if the domain part is non-empty
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if (domainPart) {
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continue;
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} else {
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return false;
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}
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}
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case '**':
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{
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// if this is not the last item in the pattern the pattern is invalid
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if (patternParts.length > 0) {
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return false;
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}
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// recursive wildcard matches anything so we terminate here if the domain part is non empty
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return domainPart !== undefined;
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}
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case undefined:
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default:
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{
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if (domainPart !== patternPart) {
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return false;
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}
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}
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}
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}
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// We exhausted the pattern. If we also exhausted the domain we have a match
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return domainParts.length === 0;
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}
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export const isCsrfOriginAllowed = (originDomain, allowedOrigins = [])=>{
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return allowedOrigins.some((allowedOrigin)=>allowedOrigin && (allowedOrigin === originDomain || matchWildcardDomain(originDomain, allowedOrigin)));
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};
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//# sourceMappingURL=csrf-protection.js.map |