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|
=begin
= apache/erb-run.rb
Copyright (C) 2001 Shugo Maeda <shugo@modruby.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
== Overview
Apache::ERbRun handles eRuby files by ERb.
== Example of httpd.conf
RubyRequire apache/erb-run
<Location /erb>
SetHandler ruby-object
RubyHandler Apache::ERbRun.instance
</Location>
=end
require "singleton"
require "tempfile"
begin
require "erb/compile"
rescue LoadError
require "erb"
end
# eruby emulation
if !defined?(ERuby)
module ERuby
@@noheader = false
@@charset = @@default_charset = "iso-8859-1"
@@cgi = nil
def ERuby.noheader
return @@noheader
end
def ERuby.noheader=(val)
@@noheader = val
return val
end
def ERuby.charset
return @@charset
end
def ERuby.charset=(val)
@@charset = val
return val
end
def ERuby.default_charset
return @@default_charset
end
def self.cgi
return @@cgi
end
def self.cgi=(cgi)
@@cgi = cgi
end
end
end
module Apache
class ERbRun
include Singleton
def handler(r)
if r.method_number == M_OPTIONS
r.allowed |= (1 << M_GET)
r.allowed |= (1 << M_POST)
return DECLINED
end
if r.finfo.mode == 0
return NOT_FOUND
end
filename = r.filename.dup
filename.untaint
code = compile(filename)
prerun(r)
run(code, filename)
postrun(r)
return OK
end
private
def initialize
if defined?(ERbCompiler)
@compiler = ERbCompiler.new
else
@compiler = ERB::Compiler.new(nil)
end
@compiler.put_cmd = 'print'
end
def compile(filename)
open(filename) do |f|
code = @compiler.compile(f.read)
code.untaint
return code
end
end
def prerun(r)
ERuby.noheader = false
ERuby.charset = r.default_charset || ERuby.default_charset
ERuby.cgi = nil
r.setup_cgi_env
Apache.chdir_file(r.filename)
end
def run(code, filename)
binding = eval_string_wrap("binding")
eval(code, binding, filename)
end
def postrun(r)
unless ERuby.noheader
if cgi = ERuby.cgi
cgi.header("charset" => ERuby.charset)
elsif r.sync_output or r.sync_header
# Do nothing: header has already been sent
else
r.content_type = format("text/html; charset=%s", ERuby.charset)
r.send_http_header
end
end
end
end
end
|
