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(*
OCaml HTTP - do it yourself (fully OCaml) HTTP daemon
Copyright (C) <2002-2005> Stefano Zacchiroli <zack@cs.unibo.it>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as
published by the Free Software Foundation, version 2.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
*)
open Http_types;;
open Printf;;
let debug = ref false
let debug_print s =
if !debug then
prerr_endline (sprintf "[OCaml HTTP] DEBUG: %s" s)
let http_version = Http_constants.version
let server_string = Http_constants.server_string
let string_of_version = function
| `HTTP_1_0 -> "HTTP/1.0"
| `HTTP_1_1 -> "HTTP/1.1"
let version_of_string = function
| "HTTP/1.0" -> `HTTP_1_0
| "HTTP/1.1" -> `HTTP_1_1
| invalid_version -> raise (Invalid_HTTP_version invalid_version)
let string_of_method = function
| `GET -> "GET"
| `POST -> "POST"
| `HEAD -> "HEAD"
| `PUT -> "PUT"
| `DELETE -> "DELETE"
| `OPTIONS -> "OPTIONS"
| `TRACE -> "TRACE"
let method_of_string = function
| "GET" -> `GET
| "POST" -> `POST
| "HEAD" -> `HEAD
| "PUT" -> `PUT
| "DELETE" -> `DELETE
| "OPTIONS" -> `OPTIONS
| "TRACE" -> `TRACE
| invalid_method -> raise (Invalid_HTTP_method invalid_method)
let string_of_request req =
let buffer = Buffer.create 1024 in
Buffer.add_string buffer (string_of_method req#meth);
Buffer.add_char buffer ' ';
Buffer.add_string buffer req#uri;
Buffer.add_char buffer ' ';
(match req#version with
| Some v -> Buffer.add_string buffer (string_of_version v)
| None -> ());
Buffer.add_string buffer "\r\n";
List.iter
(fun (param_name, param_value) ->
Buffer.add_string buffer param_name;
Buffer.add_string buffer ": ";
Buffer.add_string buffer param_value;
Buffer.add_string buffer "\r\n";
)
req#headers;
Buffer.add_string buffer "\r\n";
Buffer.add_string buffer req#body;
Buffer.contents buffer
let status_of_code = function
| 100 -> `Informational `Continue
| 101 -> `Informational `Switching_protocols
| 200 -> `Success `OK
| 201 -> `Success `Created
| 202 -> `Success `Accepted
| 203 -> `Success `Non_authoritative_information
| 204 -> `Success `No_content
| 205 -> `Success `Reset_content
| 206 -> `Success `Partial_content
| 300 -> `Redirection `Multiple_choices
| 301 -> `Redirection `Moved_permanently
| 302 -> `Redirection `Found
| 303 -> `Redirection `See_other
| 304 -> `Redirection `Not_modified
| 305 -> `Redirection `Use_proxy
| 307 -> `Redirection `Temporary_redirect
| 400 -> `Client_error `Bad_request
| 401 -> `Client_error `Unauthorized
| 402 -> `Client_error `Payment_required
| 403 -> `Client_error `Forbidden
| 404 -> `Client_error `Not_found
| 405 -> `Client_error `Method_not_allowed
| 406 -> `Client_error `Not_acceptable
| 407 -> `Client_error `Proxy_authentication_required
| 408 -> `Client_error `Request_time_out
| 409 -> `Client_error `Conflict
| 410 -> `Client_error `Gone
| 411 -> `Client_error `Length_required
| 412 -> `Client_error `Precondition_failed
| 413 -> `Client_error `Request_entity_too_large
| 414 -> `Client_error `Request_URI_too_large
| 415 -> `Client_error `Unsupported_media_type
| 416 -> `Client_error `Requested_range_not_satisfiable
| 417 -> `Client_error `Expectation_failed
| 500 -> `Server_error `Internal_server_error
| 501 -> `Server_error `Not_implemented
| 502 -> `Server_error `Bad_gateway
| 503 -> `Server_error `Service_unavailable
| 504 -> `Server_error `Gateway_time_out
| 505 -> `Server_error `HTTP_version_not_supported
| invalid_code -> raise (Invalid_code invalid_code)
let code_of_status = function
| `Informational `Continue -> 100
| `Informational `Switching_protocols -> 101
| `Success `OK -> 200
| `Success `Created -> 201
| `Success `Accepted -> 202
| `Success `Non_authoritative_information -> 203
| `Success `No_content -> 204
| `Success `Reset_content -> 205
| `Success `Partial_content -> 206
| `Redirection `Multiple_choices -> 300
| `Redirection `Moved_permanently -> 301
| `Redirection `Found -> 302
| `Redirection `See_other -> 303
| `Redirection `Not_modified -> 304
| `Redirection `Use_proxy -> 305
| `Redirection `Temporary_redirect -> 307
| `Client_error `Bad_request -> 400
| `Client_error `Unauthorized -> 401
| `Client_error `Payment_required -> 402
| `Client_error `Forbidden -> 403
| `Client_error `Not_found -> 404
| `Client_error `Method_not_allowed -> 405
| `Client_error `Not_acceptable -> 406
| `Client_error `Proxy_authentication_required -> 407
| `Client_error `Request_time_out -> 408
| `Client_error `Conflict -> 409
| `Client_error `Gone -> 410
| `Client_error `Length_required -> 411
| `Client_error `Precondition_failed -> 412
| `Client_error `Request_entity_too_large -> 413
| `Client_error `Request_URI_too_large -> 414
| `Client_error `Unsupported_media_type -> 415
| `Client_error `Requested_range_not_satisfiable -> 416
| `Client_error `Expectation_failed -> 417
| `Server_error `Internal_server_error -> 500
| `Server_error `Not_implemented -> 501
| `Server_error `Bad_gateway -> 502
| `Server_error `Service_unavailable -> 503
| `Server_error `Gateway_time_out -> 504
| `Server_error `HTTP_version_not_supported -> 505
let is_informational code =
match status_of_code code with
| `Informational _ -> true
| _ -> false
let is_success code =
match status_of_code code with
| `Success _ -> true
| _ -> false
let is_redirection code =
match status_of_code code with
| `Redirection _ -> true
| _ -> false
let is_client_error code =
match status_of_code code with
| `Client_error _ -> true
| _ -> false
let is_server_error code =
match status_of_code code with
| `Server_error _ -> true
| _ -> false
let is_error code = is_client_error code || is_server_error code
|
