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module web
implicit none
private
public :: handle_request
integer, parameter::REQUEST_UNKNOWN = 0
integer, parameter::REQUEST_GET = 1
integer, parameter::REQUEST_POST = 2
contains
function method()
use utilities, only: toupper
implicit none
integer::method
character(4)::method_text
call get_environment_variable("REQUEST_METHOD", method_text)
call toupper(method_text)
if(trim(method_text) == "GET") then
method = REQUEST_GET
else if(method_text == "POST") then
method = REQUEST_POST
else
method = REQUEST_UNKNOWN
end if
end function method
subroutine build_request_object(req)
use server_response, only:request
type(request), intent(out)::req
character(len=:), allocatable::url, script_name
integer::url_size
call get_environment_variable("REQUEST_URI", length=url_size)
allocate(character(len=url_size)::url, script_name)
call get_environment_variable("REQUEST_URI", url)
call get_environment_variable("SCRIPT_NAME", script_name)
! If we're in CGI mode, treat the "server" as the script name
call req%init(url, server_explicit=script_name, protocol_explicit="http")
deallocate(url)
deallocate(script_name)
end subroutine build_request_object
function request_templated(req) result(resp)
use server_response, only:request, response
implicit none
type(request), intent(in)::req
type(response)::resp
end function request_templated
subroutine handle_request()
use server_response, only:request, response
use logging
use request_utils
use http
use iso_fortran_env, only: output_unit
use utilities, only: echo_file_stdout
implicit none
type(request)::req
type(response)::resp
integer::response_size
call build_request_object(req)
if(is_request_static(req)) then
call write_log("Req static", LOG_INFO)
resp = request_static(req)
else
call write_log("Req template", LOG_INFO)
resp = request_templated(req)
end if
! Perform the response
select case(resp%code)
case(HTTP_CODE_REDIRECT)
call write_redirect(output_unit, resp%code, trim(resp%url))
case(HTTP_CODE_SUCCESS)
inquire(file=resp%body_filename, size=response_size)
call write_response_headers(output_unit, resp%code, response_size, trim(resp%body_mimetype))
call echo_file_stdout(resp%body_filename)
! Need some more...
end select
call resp%destroy()
call req%destroy()
end subroutine handle_request
end module web
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