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0dc063ab7d
This change simplifies a little more the sub protocols mechanism. Aliases have been removed. The renaming of loop handlers as long polling handlers has been reverted. Plain HTTP handlers now simply do their work in the init/2 callback. There is no specific code for them. Loop handlers now follow the same return value as Websocket, they use ok to continue and shutdown to stop. Terminate reasons for all handler types have been documented. The terminate callback is now appropriately called in all cases (or should be). Behaviors for all handler types have been moved in the module that implement them. This means that cowboy_handler replaces the cowboy_http_handler behavior, and similarly cowboy_loop replaces cowboy_loop_handler, cowboy_websocket replaces cowboy_websocket_handler. Finally cowboy_rest now has the start of a behavior in it and will have the full list of optional callbacks defined once Erlang 18.0 gets released. The guide has been reorganized and should be easier to follow. |
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Basic authorization example using REST
To try this example, you need GNU make and git in your PATH.
To build the example, run the following command:
$ make
To start the release in the foreground:
$ ./_rel/rest_basic_auth_example/bin/rest_basic_auth_example console
Then point your browser at http://localhost:8080.
Example output
Request with no authentication:
$ curl -i http://localhost:8080
HTTP/1.1 401 Unauthorized
connection: keep-alive
server: Cowboy
date: Sun, 20 Jan 2013 14:10:27 GMT
content-length: 0
www-authenticate: Basic realm="cowboy"
Request with authentication:
$ curl -i -u "Alladin:open sesame" http://localhost:8080
HTTP/1.1 200 OK
connection: keep-alive
server: Cowboy
date: Sun, 20 Jan 2013 14:11:12 GMT
content-length: 16
content-type: text/plain
Hello, Alladin!