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MIME type fixups for CDN compression

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This commit is contained in:
Brandon Liu
2022-11-11 20:21:22 +08:00
parent 02fa1a5a67
commit 79c87fb04a
2 changed files with 10 additions and 8 deletions
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14
serverless/aws/src/index.ts
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@@ -19,8 +19,9 @@ import https from "https";
import s3client from "/var/runtime/node_modules/aws-sdk/clients/s3.js"; import s3client from "/var/runtime/node_modules/aws-sdk/clients/s3.js";
const keepAliveAgent = new https.Agent({ keepAlive: true }); const keepAliveAgent = new https.Agent({ keepAlive: true });
// the region should default to the same one as the function
const s3 = new s3client({ const s3 = new s3client({
region: process.env.BUCKET_REGION!,
httpOptions: { agent: keepAliveAgent }, httpOptions: { agent: keepAliveAgent },
}); });
@@ -145,7 +146,7 @@ export const handler = async (
if (process.env.CORS) { if (process.env.CORS) {
headers["Access-Control-Allow-Origin"] = process.env.CORS; headers["Access-Control-Allow-Origin"] = process.env.CORS;
} }
// TODO: extension enforcement and MIME types // TODO: extension enforcement and MIME types, metadata and TileJSON
const source = new S3Source(name); const source = new S3Source(name);
const p = new PMTiles(source, CACHE); const p = new PMTiles(source, CACHE);
@@ -153,15 +154,16 @@ export const handler = async (
const header = await p.getHeader(); const header = await p.getHeader();
// TODO optimize by checking min/max zoom, return 404 // TODO optimize by checking min/max zoom, return 404
headers["Content-Type"] = "application/vnd.vector-tile"; // part of the list of Cloudfront compressible types.
headers["Content-Type"] = "application/vnd.mapbox-vector-tile";
const tile = await p.getZxy(0, 0, 0); const tile_result = await p.getZxy(tile[0], tile[1], tile[2]);
if (tile) { if (tile_result) {
// returns uncompressed response // returns uncompressed response
// TODO: may need to special case API gateway to return compressed response with gzip content-encoding header // TODO: may need to special case API gateway to return compressed response with gzip content-encoding header
return apiResp( return apiResp(
200, 200,
Buffer.from(tile.data).toString("base64"), Buffer.from(tile_result.data).toString("base64"),
true, true,
headers headers
); );

4
serverless/cloudflare/src/index.ts
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@@ -186,7 +186,7 @@ export default {
case TileType.Mvt: case TileType.Mvt:
cacheable_headers.set( cacheable_headers.set(
"Content-Type", "Content-Type",
"application/vnd.vector-tile" "application/x-protobuf"
); );
break; break;
case TileType.Png: case TileType.Png:
@@ -214,7 +214,7 @@ export default {
} }
} }
// TODO: metadata responses // TODO: metadata responses, tileJSON
return new Response("Invalid URL", { status: 404 }); return new Response("Invalid URL", { status: 404 });
}, },
}; };