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Skip request if origin is not allowed #34

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Skip request if origin is not allowed #34

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4 changes: 2 additions & 2 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ module.exports = function(options) {
// FIXME: origin can be promise
origin = options.origin(ctx);
if (!origin) {
return next();
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I think it is a breaking change here, this will make requests which not from browser all failed.

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@dead-horse isn't that covered by L53 already?

return;
}
} else {
origin = options.origin || requestOrigin;
Expand Down Expand Up @@ -99,7 +99,7 @@ module.exports = function(options) {
// The request is outside the scope of this specification.
if (!ctx.get('Access-Control-Request-Method')) {
// this not preflight request, ignore it
return next();
return;
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@kurayama I think this is debatable and if the spec says it's of scope, then it is my understanding we should let the request pass on to the next middleware.

}

ctx.set('Access-Control-Allow-Origin', origin);
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17 changes: 6 additions & 11 deletions test/cors.test.js
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Expand Up @@ -43,11 +43,11 @@ describe('cors.test.js', function() {
.expect(204, done);
});

it('should not Preflight Request if request missing Access-Control-Request-Method', function(done) {
it('should skip if request missing Access-Control-Request-Method', function(done) {
request(app.listen())
.options('/')
.set('Origin', 'http://koajs.com')
.expect(200, done);
.expect(404, done);
});

it('should always set `Vary` to Origin', function(done) {
Expand Down Expand Up @@ -83,7 +83,7 @@ describe('cors.test.js', function() {
const app = new Koa();
app.use(cors({
origin: function(ctx) {
if (ctx.url === '/forbin') {
if (ctx.get('origin') === 'forbin') {
return false;
}
return '*';
Expand All @@ -93,16 +93,11 @@ describe('cors.test.js', function() {
ctx.body = {foo: 'bar'};
});

it('should disable cors', function(done) {
it('should skip if origin not allowed', function(done) {
request(app.listen())
.get('/forbin')
.set('Origin', 'http://koajs.com')
.expect({foo: 'bar'})
.expect(200, function(err, res) {
assert(!err);
assert(!res.headers['access-control-allow-origin']);
done();
});
.set('Origin', 'forbin')
.expect(404, done);
});

it('should set access-control-allow-origin to *', function(done) {
Expand Down