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proxy all files instead of using signed bucket urls
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,56 +1,25 @@ | ||
| export default { | ||
| async fetch(request, env, ctx) { | ||
| const url = new URL(request.url); | ||
| const extension = url.pathname.split('.').pop(); | ||
|
|
||
| // Forward the request to the origin | ||
| const response = await fetch(request); | ||
| const modifiedResponse = new Response(response.body, response); | ||
|
|
||
| // Clear any existing cache headers | ||
| modifiedResponse.headers.delete('Pragma'); | ||
| modifiedResponse.headers.delete('Cache-Control'); | ||
| modifiedResponse.headers.delete('Expires'); | ||
|
|
||
| // Check if this is a redirect to a signed URL | ||
| if (response.status === 302 && response.headers.get('Location')?.includes('storage.googleapis.com')) { | ||
| // Signed URL redirects: private, 50 minutes | ||
| const maxAge = 50 * 60; // 50 minutes in seconds | ||
| modifiedResponse.headers.set('Cache-Control', `private, max-age=${maxAge}`); | ||
| const expiresDate = new Date(Date.now() + maxAge * 1000); | ||
| modifiedResponse.headers.set('Expires', expiresDate.toUTCString()); | ||
| } else if (extension) { | ||
| // Files with extensions | ||
| switch (extension.toLowerCase()) { | ||
| case 'html': | ||
| // HTML files: private, 60 seconds | ||
| modifiedResponse.headers.set('Cache-Control', 'private, max-age=60'); | ||
| break; | ||
|
|
||
| case 'css': | ||
| case 'js': | ||
| case 'map': | ||
| case 'wasm': | ||
| case 'data': | ||
| case 'bin': // Binary files often used with WebGL | ||
| case 'gltf': // 3D models | ||
| case 'glb': // Binary 3D models | ||
| case 'obj': // 3D models | ||
| case 'mtl': // Material files for 3D models | ||
| case 'json': // Often used for model/scene data | ||
| // Static assets: private, 10 minutes | ||
| modifiedResponse.headers.set('Cache-Control', 'private, max-age=600'); | ||
| break; | ||
|
|
||
| default: | ||
| // Other static assets that aren't redirects: private, short cache | ||
| modifiedResponse.headers.set('Cache-Control', 'private, max-age=60'); | ||
| // Check for custom cache policy | ||
| const cachePolicyHeader = response.headers.get('X-Cache-Policy'); | ||
| if (cachePolicyHeader) { | ||
| try { | ||
| const policy = JSON.parse(cachePolicyHeader); | ||
| const modifiedResponse = new Response(response.body, response); | ||
| modifiedResponse.headers.delete('Pragma'); | ||
| modifiedResponse.headers.delete('Cache-Control'); | ||
| modifiedResponse.headers.delete('Expires'); | ||
| modifiedResponse.headers.set('Cache-Control', `${policy.visibility}, max-age=${policy.maxAge}`); | ||
| const expiresDate = new Date(Date.now() + policy.maxAge * 1000); | ||
| modifiedResponse.headers.set('Expires', expiresDate.toUTCString()); | ||
| return modifiedResponse; | ||
| } catch (e) { | ||
| console.error('Failed to parse cache policy:', e); | ||
| } | ||
| } else { | ||
| // Paths without extensions (HTML fallbacks): private, 60 seconds | ||
| modifiedResponse.headers.set('Cache-Control', 'private, max-age=60'); | ||
| } | ||
| return modifiedResponse; | ||
|
|
||
| return response; | ||
| } | ||
| }; | ||
| }; |
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