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Enabling ALB Support #201

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Enabling ALB Support #201

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b183976
enabling ALB Support
atrope Apr 7, 2020
edcf4ae
changing isBase64Encoded position
atrope Apr 7, 2020
e7c5f28
Putting const Back
atrope Apr 7, 2020
1d7b3de
variable fix for error
atrope Apr 7, 2020
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21 changes: 11 additions & 10 deletions source/image-handler/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,31 +18,30 @@ exports.handler = async (event) => {
console.log(event);
const imageRequest = new ImageRequest();
const imageHandler = new ImageHandler();
const isALB = event.requestContext && event.requestContext.hasOwnProperty("elb");
try {
const request = await imageRequest.setup(event);
console.log(request);
const processedRequest = await imageHandler.process(request);

const headers = getResponseHeaders();
const headers = getResponseHeaders(false, isALB);
headers["Content-Type"] = request.ContentType;
headers["Expires"] = request.Expires;
headers["Last-Modified"] = request.LastModified;
headers["Cache-Control"] = request.CacheControl;

return {
"statusCode": 200,
"headers" : headers,
"isBase64Encoded": true,
"headers": headers,
"body": processedRequest,
"isBase64Encoded": true
};
}
} catch (err) {
console.log(err);

return {
"statusCode": err.status,
"headers" : getResponseHeaders(true),
"isBase64Encoded": false,
"headers": getResponseHeaders(true, isALB),
"body": JSON.stringify(err),
"isBase64Encoded": false
};
}
}
Expand All @@ -52,12 +51,14 @@ exports.handler = async (event) => {
* or error condition.
* @param {boolean} isErr - has an error been thrown?
*/
const getResponseHeaders = (isErr) => {
const getResponseHeaders = (isErr = false, isALB = false) => {
const corsEnabled = (process.env.CORS_ENABLED === "Yes");
const headers = {
"Access-Control-Allow-Methods": "GET",
"Access-Control-Allow-Headers": "Content-Type, Authorization",
"Access-Control-Allow-Credentials": true
}
if (!isALB) {
headers["Access-Control-Allow-Credentials"] = true;
}
if (corsEnabled) {
headers["Access-Control-Allow-Origin"] = process.env.CORS_ORIGIN;
Expand Down