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## HTTPS Server
Some modern techs (ServiceWorker, any `MediaDevices.getUserMedia()` request etc.) *must* be served from a secure origin (HTTPS). To launch an HTTPS server, supply a `--key` and `--cert` to local-web-server, for example:
```$ ws --key localhost.key --cert localhost.crt```
If you don't have a key and certificate it's trivial to create them. You do not need third-party verification (Verisign etc.) for development purposes. To get the green padlock in the browser, the certificate..
* must have a `Common Name` value matching the FQDN of the server* must be verified by a Certificate Authority (but we can overrule this - see below)
First create a certificate:
1. Install openssl.
`$ brew install openssl`
2. Generate a RSA private key.
`$ openssl genrsa -des3 -passout pass:x -out ws.pass.key 2048`
3. Create RSA key.
``` $ openssl rsa -passin pass:x -in ws.pass.key -out ws.key ```
4. Create certificate request. The command below will ask a series of questions about the certificate owner. The most imporant answer to give is for `Common Name`, you can accept the default values for the others. **Important**: you **must** input your server's correct FQDN (`dev-server.local`, `laptop.home` etc.) into the `Common Name` field. The cert is only valid for the domain specified here. You can find out your computers host name by running the command `hostname`. For example, mine is `mba3.home`.
`$ openssl req -new -key ws.key -out ws.csr`
5. Generate self-signed certificate.
`$ openssl x509 -req -days 365 -in ws.csr -signkey ws.key -out ws.crt`
6. Clean up files we're finished with
`$ rm ws.pass.key ws.csr`
7. Launch HTTPS server. In iTerm, control-click the first URL (with the hostname matching `Common Name`) to launch your browser.
``` $ ws --key ws.key --cert ws.crt serving at https://mba3.home:8010, https://127.0.0.1:8010, https://192.168.1.203:8010 ```
Chrome and Firefox will still complain your certificate has not been verified by a Certificate Authority. Firefox will offer you an `Add an exception` option, allowing you to ignore the warning and manually mark the certificate as trusted. In Chrome on Mac, you can manually trust the certificate another way:
1. Open Keychain2. Click File -> Import. Select the `.crt` file you created.3. In the `Certificates` category, double-click the cert you imported.4. In the `trust` section, underneath `when using this certificate`, select `Always Trust`.
Now you have a valid, trusted certificate for development.
### Built-in certificate
As a quick win, you can run `ws` with the `https` flag. This will launch an HTTPS server using a [built-in certificate](https://github.com/75lb/local-web-server/tree/master/ssl) registered to the domain 127.0.0.1.
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