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We try to send a 500 error only if we didn't send the response
headers yet. If they were, then we have no way to be sure the
response was fully sent, nor should we assume anything about
how this will be handled client-side, so we do nothing more
and in both cases close the connection.
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We want to reply as soon as possible.
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Removes the cowboy_clock:date/0, time/0 and datetime/0 exported types.
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Not parsing product tokens, I don't see much point.
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Based on the patch by Louis-Philippe Gauthier.
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Also add the new 'put_path' metadata information to the request
before entering the put_resource step (which proceeds to call
content_types_accepted and then the chosen content type's callback,
which is expected to use the 'put_path' value as the path to the new
resource instead of the original request path, because it may have
been changed by the create_path call.
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* cowboy_http_protocol now defines 'websocket_version' as metadata.
* cowboy_http_rest now defines 'media_type', 'language', 'charset' as metadata.
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resp_body is set by cowboy_http_req:set_resp_body/2 which accepts
the input type iodata(). Update the resp_body field to use the same
type. Also update the cowboy_http_req:has_resp_body/2 function to
use the iolist_size/1 which works with both binary() and iolist()
values instead of the byte_size/1 function which only works with
binary() values.
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Based on the patch from Heinz N. Gies. The main change is that his
patch accept values such as */plain which we do not want.
Fixes issue #105.
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Fix pattern in case statement that was intended
to strip away the first comma separating the
values in the variance header.
Update generation of variance list to use more
idiomatic erlang. Pattern match on list structure
over using erlang:length/1 to compute length.
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This is a workaround for an issue in the hipe compiler where
compilation of code matching on binaries using patterns of the
form Data = <<Char, _Ignore/bits>> fails because _Ignore is
expected to be used. Using /binary instead of /bits resolves
the issue.
We're applying this change to all binary expressions in cowboy_http
because all functions in this module process human readable text
formats which are always expected to be bytestrings.
Two uses of /bits has been changed to /binary in cowboy_http_websocket
in two clauses of a single function, websocket_data/4. This is safe
to change because the data is later passed to binary:match/2 which
will always fail with a badarg error if the input is a bitstring
instead of a bytestring.
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This function complements the cowboy_http:urldecode/2
and urldecode/1 functions. We should have this encoding
covered now. urldecode is only expected to be invoked
by user code, no further changes needed to integrate this.
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Just fixed the indentation a bit.
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Only allowing HEAD and GET requests by default.
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REST needed this to be allowed to chain requests on the same connection.
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This change makes the dependency on quoted optional
by adding a minimal urldecode function to cowboy.
A protocol option for setting the urldecoding function
has been added to the cowboy_http_protocol module.
The default value for this option is set to be
equivalent to the default settings for quoted.
{fun cowboy_http:urldecode/2, crash}
A note has been added in the README to document
how to use quoted instead of this function.
A field to store this option value has been added
to the state record in the cowboy_http_protocol
module and the http_req record in include/http.hrl
Functions that previously used quoted:from_url/1
has been updated to require an equivalent function
in addition to the previously required arguments.
This change removes a C compiler from the build
requirements of cowboy. It also removes the requirement
to cross compile the code if the target arch/OS
is different from the arch/OS used to build it.
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Pretty much just an alias for a combination of set_resp_header and cookie.
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Happened when an error occurred while trying to read the body to
get the key. Also fixes all the dialyzer warnings in cowboy_http_websocket.
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It was replying back the correct error, but with a crash message in
the console. This patch prevents it from crashing.
Fixes issue #94 reported by oribrost.
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As with everything experimental, it probably has a lot of bugs and
may not even work.
Like Websocket, REST must be upgraded from a standard resource through
the init/3 function.
A key difference between Webmachine and Cowboy's REST protocol handler
is that in Cowboy the resource has direct access to the request object.
This makes a small change in a few places where you were expected to
return headers or body in Webmachine and are now expected to set them
directly yourself if needed (options/2, for example).
Another difference is that the functions rest_init/2 will always be
called when starting to process a request. Similarly, rest_terminate/2
will be called when the process completes successfully.
The Cowboy REST support also includes automatic language selection,
thanks to the languages_provided/2 callback.
Finally, Cowboy REST expects full URIs to be given at all times, and
will not try to reconstruct URIs from fragments.
Note that REST requests cannot be chained (keepalive) at this time.
This is a design issue in cowboy_http_protocol that will be fixed soon.
Check out the source for more details. It has been designed to be very
easy to read and understand so if you don't understand something,
it's probably a bug. Thanks in advance for all the great bug reports,
pull requests and comments you'll forward my way!
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Considering how it must be used, a simple binary is much better
than a tag and a list of subtags. We still parse them like this
to make sure they follow the specs, though.
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Spotted by devinus on IRC.
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These functions allow to set response headers and body in advance,
before calling any of the reply functions.
Also add has_resp_header/2 and has_resp_body/1 to check if the given
response headers have already been set.
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