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#!/usr/bin/env ruby
# coding: utf-8
############################################################################
# Copyright 2009,2010 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/>. #
############################################################################
if __FILE__ == $0
load "../dudle.rb"
require "digest"
$d = Dudle.new
acusers = {}
File.open(".htdigest","r").each_line{|l|
user,realm = l.scan(/^(.*):(.*):.*$/).flatten
acusers[user] = realm
}
def write_htaccess(acusers)
File.open(".htaccess","w"){|htaccess|
if acusers.include?("admin")
htaccess << <<HTACCESS
<Files ~ "^(edit_columns|invite_participants|access_control|delete_poll).cgi$">
AuthType digest
AuthName "dudle-#{$d.urlsuffix.gsub('"', '\\\\"')}"
AuthUserFile "#{File.expand_path(".").gsub('"','\\\\"')}/.htdigest"
Require user admin
ErrorDocument 401 #{$cgi.script_name.gsub(/[^\/]*\/[^\/]*$/,"")}authorization_required.cgi?user=admin&poll=#{CGI.escape($d.urlsuffix)}
</Files>
HTACCESS
end
if acusers.include?("participant")
htaccess << <<HTACCESS
AuthType digest
AuthName "dudle-#{$d.urlsuffix.gsub('"', '\\\\"')}"
AuthUserFile "#{File.expand_path(".").gsub('"','\\\\"')}/.htdigest"
Require valid-user
ErrorDocument 401 #{$cgi.script_name.gsub(/[^\/]*\/[^\/]*$/,"")}authorization_required.cgi?user=participant&poll=#{CGI.escape($d.urlsuffix)}
HTACCESS
end
}
VCS.commit("Access Control changed")
unless acusers.empty?
$d.html.header["status"] = "REDIRECT"
$d.html.header["Cache-Control"] = "no-cache"
$d.html.header["Location"] = "access_control.cgi"
end
end
def add_to_htdigest(user,password)
File.open(".htdigest","a"){|f|
f << "#{user}:dudle-#{$d.urlsuffix.gsub(':', '\\:')}:#{Digest::MD5.hexdigest("#{user}:dudle-#{$d.urlsuffix.gsub(':', '\\:')}:#{password}")}\n"
}
end
def createform(userarray,hint,acusers)
usernamestr = _("Username:")
ret = <<FORM
<form id='ac_#{userarray[0]}' method='post' action='' >
<table class='settingstable'>
<tr>
<td class='label'>#{usernamestr}</td>
<td title="#{userarray[1]}">
#{userarray[0]}
<input type='hidden' name='ac_user' value='#{userarray[0]}' />
</td>
</tr>
FORM
passwdstr = _("Password")
repeatstr = _("repeat")
2.times{|i|
ret += <<PASS
<tr>
<td class='label'><label for='password#{i}'>#{passwdstr}#{i == 1 ? " (#{repeatstr})" : ""}:</label></td>
<td>
PASS
if acusers.include?(userarray[0])
ret += PASSWORDSTAR*14
else
ret += "<input id='password#{i}' size='6' value='' type='password' name='ac_password#{i}' />"
end
ret += "</td></tr>"
}
ret += <<FORM
<tr>
<td></td>
<td id='#{userarray[0]}hint' class='shorttextcolumn'>#{acusers.include?(userarray[0]) ? "" : hint}</td>
</tr>
<tr>
<td></td>
<td>
FORM
if acusers.include?(userarray[0])
if userarray[0] == "admin" && acusers.include?("participant")
ret += "<div class='shorttextcolumn'>" + _("You have to remove the participant user before you can remove the administrator.") + "</div>"
else
ret += "<input type='hidden' name='ac_delete_#{userarray[0]}' value='Delete' />"
ret += "<input type='submit' value='" + _("Delete") + "' />"
end
else
ret += "<input type='hidden' name='ac_create' value='Save' />"
ret += "<input type='submit' value='" + _("Save") + "' />"
end
ret += <<FORM
<input type='hidden' name='ac_activate' value='Activate' />
</td>
</tr>
</table>
</form>
FORM
ret
end
if $cgi.include?("ac_user")
user = $cgi["ac_user"]
if !(user =~ /^[\w]*$/)
# add user
usercreatenotice = "<div class='error'>" + _("Only letters and digits are allowed in the username.") + "</div>"
elsif $cgi["ac_password0"] != $cgi["ac_password1"]
usercreatenotice = "<div class='error'>" + _("Passwords did not match.") + "</div>"
else
if $cgi.include?("ac_create")
add_to_htdigest(user,$cgi["ac_password0"])
acusers[user] = true
write_htaccess(acusers)
end
# delete user
deleteuser = ""
acusers.each{|user,action|
if $cgi.include?("ac_delete_#{user}")
deleteuser = user
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}:/
}
}
File.chmod(0600, ".htdigest")
write_htaccess(acusers)
end
end
$d.wizzard_redirect
if $d.html.header["status"] != "REDIRECT"
$d.html << "<h2>" + _("Change access control settings") + "</h2>"
if acusers.empty? && $cgi["ac_activate"] != "Activate"
acstatus = ["red",_("not activated")]
acswitchbutton = "<input type='hidden' name='ac_activate' value='Activate' />"
acswitchbutton += "<input type='submit' value='" + _("Activate") + "' />"
else
if acusers.empty?
acstatus = ["blue",_("controls will be activated when at least the admin user is configured")]
acswitchbutton = "<input type='hidden' name='ac_activate' value='Deactivate' />"
acswitchbutton += "<input type='submit' value='" + _("Deactivate") + "' />"
else
acstatus = ["green", _("activated")]
acswitchbutton = "<div class='shorttextcolumn'>" + _("You have to remove all users before you can deactivate the access control settings.") + "</div>"
end
admincreatenotice = usercreatenotice || _("You will be asked for the password you have entered here after you press save!")
user = ["admin",
_("The user ‘admin’ has access to both the vote and the configuration interface.")]
createform = createform(user,admincreatenotice,acusers)
if acusers.include?("admin")
participantcreatenotice = usercreatenotice || ""
user = ["participant",
_("The user ‘participant’ only has access to the vote interface.")]
createform += createform(user,participantcreatenotice,acusers)
end
end
acstr = _("Access control:")
$d.html << <<AC
<form id='ac' method='post' action='' >
<table class='settingstable'>
<tr>
<td>
#{acstr}
</td>
<td style='color: #{acstatus[0]}'>
#{acstatus[1]}
</td>
</tr>
<tr>
<td></td>
<td>
#{acswitchbutton}
</td>
</tr>
</table>
</form>
#{createform}
AC
end
$d.out
end
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