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express-cors
Advanced tools
Readme
Simple middleware for adding CORS functionality to your expressjs app.
npm install express-cors
var cors = require('express-cors')
app.use(cors({
allowedOrigins: [
'github.com', 'google.com'
]
}))
curl -v -H "Origin: https://github.com" http://localhost:3000/
…
HTTP/1.1 200 OK
X-Powered-By: Express
Access-Control-Allow-Origin: https://github.com
Access-Control-Allow-Methods: GET, POST, PUT, DELETE, PATCH, OPTIONS
Access-Control-Allow-Headers: X-Requested-With, Content-Type
https://github.com
- allow only https scheme for this hosthttp://github.com
- allow only http scheme for this hostgithub.com
- allow any scheme for this host*.github.com
- allow any sub-domain including second-level domain itselfhttps://*.github.com
- same as above but restrict for https onlygithub.com:*
- allow any port for this host*.github.com:*
- allow any port for this host and any sub-domainhttps://*.github.com:*
- same as above but restrict for https onlyYou've got the idea… If not, see test.js for more examples.
methods
- array of allowed methods (default value is GET, POST, PUT, DELETE, PATCH, OPTIONS
)headers
- array of allowed headers (default value is X-Requested-With, Content-Type
)maxAge
- value for Access-Control-Allow-Max-Age
header (default is none
)mocha -R spec
If you want to contribute please ensure all tests are passing.
(The MIT License)
Copyright 2013 by Yuriy Bogdanov <chinsay gmail>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
FAQs
CORS middleware for expressjs
The npm package express-cors receives a total of 1,206 weekly downloads. As such, express-cors popularity was classified as popular.
We found that express-cors demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
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