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2011-10-20Add a cowboy_http_req:upgrade_reply/3 function and use it for websocketsLoïc Hoguin
This function doesn't try to add any additional header besides the Connection: Upgrade header. It also doesn't accept a body. It should be used for the intermediate reply to an upgrade process, before the real reply is sent (if any, for example when using TLS).
2011-10-20"websocket" must be treated in a case insensitive manner for upgradesLoïc Hoguin
Fixed according to the websocket draft specs.
2011-10-20Make sure the hixie-76 websocket code works properly with proxiesLoïc Hoguin
2011-10-19Add a max_line_length to the HTTP protocolLoïc Hoguin
Allows to limit the size of request and header lines, thus preventing Cowboy from infinitely reading from the socket and never finding an end of line. Defaults to 4096 bytes.
2011-10-17Rewrite the token list parsing into separate, modulable functionsLoïc Hoguin
Introduce cowboy_http's list/2, nonempty_list/2, token/2 functions.
2011-10-13Add shortcuts to reply functionsLoïc Hoguin
New functions are reply/2, reply/3, chunked_reply/2 in cowboy_http_req.
2011-10-13Rename a variable from Code to StatusLoïc Hoguin
2011-10-11Fix a misnamed variable for {loop, ...} returns in init/3Loïc Hoguin
2011-10-11Fix specs after erlang:hibernate/3 calls were addedLoïc Hoguin
This however does not fix the related Dialyzer warnings. I have no idea what the warnings are about nor how to fix them, so feel free to work on it and submit a patch!
2011-10-10Add support for loops in standard HTTP handlersLoïc Hoguin
Now init/3 can return one of the following values to enable loops: - {loop, Req, State} - {loop, Req, State, hibernate} - {loop, Req, State, Timeout} - {loop, Req, State, Timeout, hibernate} Returning one of these tuples will activate looping in the HTTP handler. When looping, handle/2 is never called. Instead, Cowboy will listen for Erlang messages and forward them to the info/3 function of the handler. If a timeout is defined, Cowboy will also close the connection when no message has been received for Timeout milliseconds. The info/3 function is defined as info(Msg, Req, State). It can return either of the following tuples: - {ok, Req, State} - {loop, Req, State} - {loop, Req, State, hibernate} The first one ends the connection, calling terminate/2 before closing. The others continue the loop. Loops are useful when writing long-polling handlers that need to wait and don't expect to receive anything. Therefore it is recommended to set a timeout to close the connection if nothing arrives after a while and to enable hibernate everywhere. Normal HTTP handlers shouldn't need to use this and as such info/3 was made optional.
2011-10-10Add {shutdown, Req} to websocket_init/3 to fail a websocket upgradeLoïc Hoguin
This change allows application developers to refuse websocket upgrades by returning {shutdown, Req}. The application can also send a reply with a custom error before returning from websocket_init/3, otherwise an error 400 is sent. Note that right now Cowboy closes the connection immediately. Also note that neither terminate/3 nor websocket_terminate/3 will be called when the connection is shutdown by websocket_init/3.
2011-10-10Add cowboy:child_spec/6Jesper Louis Andersen
This new exported function returns a Child Spec suitable for embedding cowboy in another applications supervisor structure. While here, implement `start_listener/6` in terms of it.
2011-10-07Fix a crash in response_connection when Name is an atom =/= 'Connection'Loïc Hoguin
2011-10-06Allow HTTP handlers to skip the handle/2 step in init/3Loïc Hoguin
You can now return {shutdown, Req, State} from Handler:init/3 to skip the handle/2 step. Also allow init/3 function to send responses.
2011-10-06Merge branch 'hybi-framing-fix' of https://github.com/smarkets/cowboyLoïc Hoguin
2011-10-06Close the connection when the application sends Connection: closeLoïc Hoguin
Now Cowboy checks headers sent to the client for the 'Connection' header value, parses it, and checks whether it contains a 'close' or 'keep-alive' value. It makes sure to close or keep the connection alive depending on the value found there, if any. Also change chunked replies to not close the connection by default unless the application requests it.
2011-10-06Fix hixi76_location/5 when transport is tcp and port is 443Loïc Hoguin
I know it is unlikely to use plain TCP on port 443, where SSL is usually used, but a bug is still a bug, and as such it should be fixed. Now the port will be probably appended to the location when port 443 is used without SSL.
2011-10-06Fix a crash in websocket_handshake when cowboy_http_req:compact/1 is usedLoïc Hoguin
Also add a call to compact/1 in the websocket test handler so we may catch bugs related to it faster later on.
2011-10-05Remove the 'HEAD' chunked_reply/3 clauseLoïc Hoguin
From the RFC: The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response. The metainformation contained in the HTTP headers in response to a HEAD request SHOULD be identical to the information sent in response to a GET request.
2011-10-05Parse 'Connection' headers as a list of tokensLoïc Hoguin
Replaces the 'Connection' interpretation in cowboy_http_protocol from raw value to the parsed value, looking for a single token matching close/keep-alive instead of the whole raw value (which could contain more than one token, for example with Firefox 6+ using websocket). Introduce the functions cowboy_http_req:parse_header/2 and /3 to semantically parse the header values and return a proper Erlang term.
2011-10-04Move a few binary string handling functions to cowboy_bstrLoïc Hoguin
2011-10-04Remove the connection information from the HTTP protocol stateLoïc Hoguin
Use the Req connection information instead.
2011-10-04Close connection on all errorsLoïc Hoguin
And use a proper cowboy_http_req:reply/4 call for the 204 response.
2011-10-04Small doc clarificationLoïc Hoguin
2011-10-04Do not send a 408 response if the Request-Line wasn't fully receivedLoïc Hoguin
The server should not send a response if there wasn't at least the beginning of a request sent (the Request-Line).
2011-10-03Fix byte-by-byte Websocket handlingHunter Morris
If the websocket frame handling code in cowboy_http_websocket receives only 1 byte at a time, it fails with a badmatch in cowboy_http_websocket:websocket_data/4. This commit fixes the problem and introduces a test of the correct behaviour.
2011-10-01Get rid of a binary construct in cowboy_http_websocketLoïc Hoguin
Thanks to @nivertech for pointing it out in ticket #61.
2011-10-01Get rid of a binary construct in cowboy_http_reqLoïc Hoguin
Thanks to @klaar for pointing it out in ticket #59.
2011-10-01Rename the type cowboy_dispatcher:path_tokens/0 to :tokens/0Loïc Hoguin
2011-10-01Merge branch 'path-split-doc' of https://github.com/klaar/cowboyLoïc Hoguin
2011-10-01Merge branch 'master' of https://github.com/hakvroot/cowboyLoïc Hoguin
2011-09-30Add cowboy_protocol behaviourMichiel Hakvoort
2011-09-29add note to split_path/1 and path/1 on escaped /Magnus Klaar
2011-09-28Improve the error message for HTTP handlersLoïc Hoguin
Making it look more like the websocket handler error messages.
2011-09-28Merge remote-tracking branch 'smarkets/cacertfile'Loïc Hoguin
2011-09-28add cacertfile configurationSteven Gravell
2011-09-26Fix handshake for when querystring is neededOri Bar
2011-09-22Add a test for websocket hibernate + timeout and fix this use caseLoïc Hoguin
The issue was that we were calling erlang:hibernate before a receive .. after .. end call. Erlang hibernates the process before reaching the receive instruction and we therefore couldn't enter the after clause when hibernating. This is now fixed by using erlang:send_after instead and receiving that message instead of using an after clause.
2011-09-15Allow websocket handlers to hibernate from the websocket_init/3 functionLoïc Hoguin
Also improve the documentation about hibernate.
2011-09-14'Host' header is optional in HTTP/1.0Loïc Hoguin
Krishnamurthy, Kristol, Mogul: "Key Differences between HTTP/1.0 and HTTP/1.1", "Internet address conservation". http://www8.org/w8-papers/5c-protocols/key/key.html Fixes issue #35 reported by Alex Kropivny.
2011-09-13Reset the max number of empty lines between keepalive requestsLoïc Hoguin
Fixes issue #47.
2011-09-06Fix the handling of the HEAD requestsAli Sabil
Responses to the HEAD requests used to include an response body.
2011-09-05Update version to 0.3.0 to continue with developmentLoïc Hoguin
2011-09-05Update version to 0.2.00.2.0Loïc Hoguin
2011-08-23Add WebSocket drafts 7, 8, 9 and 10 implementationLoïc Hoguin
The implementation is only partial for now but should work for all browsers implementing it.
2011-08-23Ensure header names are handled in a case insensitive mannerLoïc Hoguin
To this end we are formatting the header names just like OTP does except we do it for names of up to 32 characters, as there are widely used header names of more than 20 characters, the limit that OTP follows currently. An example of such header name would be Sec-Websocket-Version. The formatting itself is fairly simple: an uppercase character at the start and after dashes, everything else lowercase.
2011-08-11Use cowboy_clock types in cowboy_cookies instead of calendarLoïc Hoguin
Until calendar exports them at least.
2011-08-10Give the ListenerPid to the protocol on startupLoïc Hoguin
Also sends a message 'shoot' that can be received by the protocol to make sure Cowboy has had enough time to fully initialize the socket. This message should be received before any socket-related operations are performed. WebSocket request connections are now moved from the pool 'default' to the pool 'websocket', meaning we can have a lot of running WebSockets despite having a low 'max_connections' setting.
2011-08-10Introduce cowboy_listener for managing a listenerLoïc Hoguin
Currently only supports limiting the maximum number of connections by managing connection pools.
2011-07-26Fix cookie tests and specsLoïc Hoguin
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