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fix: Chrome browser console warning about unsafe header access-control-expose-headers when calling Cloud Function #2095

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Merged
merged 10 commits into from
Apr 22, 2024
Merged

fix: Chrome browser console warning about unsafe header access-control-expose-headers when calling Cloud Function #2095

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0f5f317
check if header is available before calling `xhr.getResponseHeader` t…
mortenmo Mar 17, 2024
ac39725
Merge branch 'alpha' into fix-chrome-console-error
mtrezza Mar 17, 2024
7360318
avoid requiring `getAllResponseHeaders` on xhr. Clean tests from requ…
mortenmo Apr 13, 2024
4e01e58
Merge branch 'alpha' into fix-chrome-console-error
mtrezza Apr 15, 2024
535e2f7
Update RESTController.js
mtrezza Apr 15, 2024
b27155b
Test for Chrome issue
mortenmo Apr 18, 2024
b777ded
Update src/__tests__/RESTController-test.js
mtrezza Apr 18, 2024
50f087d
Update src/__tests__/RESTController-test.js
mtrezza Apr 18, 2024
43dc7b9
Update src/__tests__/RESTController-test.js
mtrezza Apr 18, 2024
ac3e1dd
Lint issues
mortenmo Apr 19, 2024
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7 changes: 5 additions & 2 deletions src/RESTController.js
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Original file line number Diff line number Diff line change
Expand Up @@ -110,11 +110,14 @@ const RESTController = {
let response;
try {
response = JSON.parse(xhr.responseText);
const availableHeaders = typeof xhr.getAllResponseHeaders === 'function' ? xhr.getAllResponseHeaders() : "";
headers = {};
if (typeof xhr.getResponseHeader === 'function' && xhr.getResponseHeader('access-control-expose-headers')) {
if (typeof xhr.getResponseHeader === 'function' && availableHeaders && availableHeaders.indexOf('access-control-expose-headers') >= 0) {
const responseHeaders = xhr.getResponseHeader('access-control-expose-headers').split(', ');
responseHeaders.forEach(header => {
headers[header] = xhr.getResponseHeader(header.toLowerCase());
if (availableHeaders.indexOf(header.toLowerCase()) >= 0) {
headers[header] = xhr.getResponseHeader(header.toLowerCase());
}
});
}
} catch (e) {
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6 changes: 6 additions & 0 deletions src/__tests__/RESTController-test.js
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Expand Up @@ -221,6 +221,9 @@ describe('RESTController', () => {
getResponseHeader: function (header) {
return headers[header];
},
getAllResponseHeaders: function() {
return Object.keys(headers).map(key => `${key}: ${headers[key]}`).join('\n');
},
send: function () {
this.status = 200;
this.responseText = '{}';
Expand All @@ -241,6 +244,9 @@ describe('RESTController', () => {
getResponseHeader: function (header) {
return headers[header];
},
getAllResponseHeaders: function() {
return Object.keys(headers).map(key => `${key}: ${headers[key]}`).join('\n');
},
send: function () {
this.status = 200;
this.responseText = '{}';
Expand Down