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#!/usr/bin/env ruby
############################################################################
# Copyright 2009 Benjamin Kellermann #
# #
# This file is part of dudle. #
# #
# Dudle is free software: you can redistribute it and/or modify it under #
# the terms of the GNU Affero General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# Dudle 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 Affero General Public #
# License for more details. #
# #
# You should have received a copy of the GNU Affero General Public License #
# along with dudle. If not, see <http://www.gnu.org/licenses/>. #
############################################################################
require "cgi"
if __FILE__ == $0
$cgi = CGI.new
load "../html.rb"
acusers = {}
File.open(".htdigest","r").each_line{|l|
user,realm = l.scan(/^(.*):(.*):.*$/).flatten
acusers[user] = realm
}
def writehtaccess(acusers)
File.open(".htaccess","w"){|htaccess|
if acusers.values.include?("config")
htaccess << <<HTACCESS
<Files ~ "^(edit_columns|access_control|delete_poll).cgi$">
AuthType digest
AuthName "config"
AuthUserFile "#{File.expand_path(".").gsub('"','\\\\"')}/.htdigest"
Require valid-user
</Files>
HTACCESS
end
if acusers.values.include?("vote")
htaccess << <<HTACCESS
AuthType digest
AuthName "vote"
AuthUserFile "#{File.expand_path(".").gsub('"','\\\\"')}/.htdigest"
Require valid-user
HTACCESS
VCS.commit("Access Control changed")
end
}
end
if $cgi.include?("ac_user")
user = $cgi["ac_user"]
type = $cgi["ac_type"]
if !(user =~ /^[\w]*$/)
# add user
usercreatenotice = "<div class='error'>Only uppercase, lowercase, digits are allowed in the username.</div>"
elsif $cgi["ac_password1"] != $cgi["ac_password2"]
usercreatenotice = "<div class='error'>Passwords do not match.</div>"
else
if $cgi.include?("ac_create")
if type == "config" || type == "vote"
fork {
IO.popen("htdigest .htdigest #{type} #{user}","w+"){|htdigest|
htdigest.sync
htdigest.puts($cgi["ac_password1"])
htdigest.puts($cgi["ac_password2"])
}
}
acusers[user] = type
writehtaccess(acusers)
end
end
# delete user
deleteuser = ""
deleteaction = ""
acusers.each{|user,action|
if $cgi.include?("ac_delete_#{user}_#{action}")
deleteuser = user
deleteaction = action
end
}
acusers.delete(deleteuser)
htdigest = []
File.open(".htdigest","r"){|file|
htdigest = file.readlines
}
File.open(".htdigest","w"){|f|
htdigest.each{|line|
f << line unless line =~ /^#{deleteuser}:#{deleteaction}:/
}
}
writehtaccess(acusers)
end
end
POLL = File.basename(File.expand_path("."))
$html = HTML.new("dudle - #{POLL} - Access Control Settings")
$html.header["Cache-Control"] = "no-cache"
load "../charset.rb"
$html.add_css("../dudle.css")
$html << "<body>"
$html << Dudle::tabs("Access Control")
$html << <<TABLE
<div id='main'>
TABLE
# ACCESS CONTROL
$accesslevels = { "vote" => "Vote Interface", "config" => "Config Interface" }
$html << <<ACL
<div id='access_control'>
<h1>#{POLL}</h1>
<h2>Change Access Control Settings</h2>
<form method='post' action=''>
<table>
<tr>
<th>Access to</th><th>Username</th><th>Password</th><th>Password (repeat)</th>
</tr>
ACL
acusers.each{|user,action|
$html << <<USER
<tr>
<td>#{$accesslevels[action]}</td>
<td>#{user}</td>
<td>*****************</td>
<td>*****************</td>
<td>
<input type='submit' name='ac_delete_#{user}_#{action}' value='delete' />
</td>
</tr>
USER
}
$html << <<ACL
<tr>
<td>
<select name='ac_type'>
ACL
$accesslevels.each{|action,description|
$html << "<option value='#{action}'>#{description}</option>"
}
$html << <<ACL
</select>
</td>
<td><input size='6' value="" type='text' name='ac_user' /></td>
<td><input size='6' value="" type='password' name='ac_password1' /></td>
<td><input size='6' value="" type='password' name='ac_password2' /></td>
<td>
<input type='submit' name='ac_create' value='Add' />
</td>
</tr>
ACL
$html << <<ACL
</table>
</form>
#{usercreatenotice}
</div>
ACL
$html << "</div></body>"
$html.out($cgi)
end
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