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Allow localhost for CORS #306

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merged 1 commit into from
Aug 25, 2023
Merged

Allow localhost for CORS #306

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20 changes: 16 additions & 4 deletions app/server-utils/responses.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,16 +8,28 @@ export const jsonCORS = <T>(data: T) =>
},
})

export const CORSOptions = (request: Request) => {
const allowedOrigins = (request: Request) => {
const origin = request.headers.get('origin') || ''
const isOriginAllowed = ALLOW_ORIGINS == '*' || ALLOW_ORIGINS.split(',').includes(origin)
const allowed = isOriginAllowed ? origin : ''
const allowedOrigins = ALLOW_ORIGINS.split(',')

// always allow localhost
try {
if (['localhost', '127.0.0.1'].includes(new URL(origin).hostname)) {
return origin
}
} catch (e) {
// ignore errors
}

return ALLOW_ORIGINS == '*' || allowedOrigins.includes(origin) ? origin : ''
}

export const CORSOptions = (request: Request) => {
return json(
{},
{
headers: {
'Access-Control-Allow-Origin': allowed,
'Access-Control-Allow-Origin': allowedOrigins(request),
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE',
'Access-Control-Allow-Headers': 'Content-Type, Authorization, allow-control-allow-origin',
},
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