cgi/deluser.cgi

   1 #!/usr/bin/perl
   2
   3 # deluser.cgi -- support for user deletion via web
   4 # Copyright (c) 2013 Kyle J. McKay.  All rights reserved.
   5 # Portions (c) Petr Baudis <pasky@suse.cz> and (c) Jan Krueger <jk@jk.gs>
   6 # License GPLv2+: GNU GPL version 2 or later.
   7 # www.gnu.org/licenses/gpl-2.0.html
   8 # This is free software: you are free to change and redistribute it.
   9 # There is NO WARRANTY, to the extent permitted by law.
  10
  11 use strict;
  12 use warnings;
  13
  14 use lib ".";
  15 use Girocco::CGI;
  16 use Girocco::Config;
  17 use Girocco::User;
  18 use Girocco::Util;
  19 binmode STDOUT, ':utf8';
  20
  21 my $gcgi = Girocco::CGI->new('User Removal');
  22 my $cgi = $gcgi->cgi;
  23
  24 unless ($Girocco::Config::manage_users) {
  25         print "<p>I don't manage users.</p>";
  26         exit;
  27 }
  28
  29 if ($cgi->param('mail')) {
  30         print "<p>Go away, bot.</p>";
  31         exit;
  32 }
  33
  34 sub _auth_form {
  35         my ($name, $submit) = @_;
  36         print <<EOT;
  37 <form method="post" action="@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi">
  38 <input type="hidden" name="name" value="$name" />
  39 <p>Authorization code: <input name="auth" size="50" /></p>
  40 <p><input type="submit" name="y0" value="$submit" /></p>
  41 </form>
  42 EOT
  43 }
  44
  45 if ($cgi->param('name') && $cgi->param('y0') && $cgi->request_method eq 'POST') {
  46         # submitted, let's see
  47         # FIXME: racy, do a lock
  48         my $name = $gcgi->wparam('name');
  49         (Girocco::User::valid_name($name)
  50                 and Girocco::User::does_exist($name))
  51                 or $gcgi->err("Username is not registered.");
  52
  53         $gcgi->err_check and exit;
  54
  55         my $user;
  56         ($user = Girocco::User->load($name)) && valid_email($user->{email})
  57                 or $gcgi->err("Username may not be removed.");
  58
  59         $gcgi->err_check and exit;
  60
  61         if (!$cgi->param('auth')) {
  62                 if ($cgi->param('y0') ne 'Send authorization code') {
  63                         print "<p>Invalid data. Go away, sorcerer.</p>\n";
  64                         exit;
  65                 }
  66
  67                 my $auth = $user->gen_auth('DEL');
  68
  69                 # Send auth mail
  70                 open(MAIL, '|-', '/usr/bin/mail', '-s', "[$Girocco::Config::name] Account removal authorization", $user->{email}) or
  71                         die "Sorry, could not send authorization code: $!";
  72                 print MAIL <<EOT;
  73 Hello,
  74
  75 You have requested an authorization code be sent to you for removing
  76 your account.  If you don't want to actually remove your account, just
  77 ignore this e-mail.  Otherwise, use this code within 24 hours:
  78
  79 $auth
  80
  81 Should you run into any problems, please let us know.
  82
  83 Have fun!
  84 EOT
  85                 close MAIL;
  86
  87                 print "<p>You should shortly receive an e-mail containing an authorization code.
  88                         Please enter this code below to remove your account.
  89                         The code will expire in 24 hours or after you have used it.</p>";
  90                 _auth_form($name, "'Login'");
  91                 exit;
  92         } else {
  93                 if ($cgi->param('y0') ne "'Login'" && $cgi->param('y0') ne "Remove user account") {
  94                         print "<p>Invalid data. Go away, sorcerer.</p>\n";
  95                         exit;
  96                 }
  97
  98                 $user->{auth} && $user->{authtype} eq 'DEL' or do {
  99                         print "<p>There currently isn't any authorization code filed under your account.  ".
 100                                 "Please <a href=\"@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi\">generate one</a>.</p>";
 101                         exit;
 102                 };
 103
 104                 my $auth = $gcgi->wparam('auth');
 105                 if ($auth ne $user->{auth}) {
 106                         print "<p>Invalid authorization code, please re-enter or ".
 107                                 "<a href=\"@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi\">generate a new one</a>.</p>";
 108                         _auth_form($name, "'Login'");
 109                         exit;
 110                 }
 111
 112                 my $y0 = $gcgi->wparam('y0') || '';
 113                 my $conf = $gcgi->wparam('confirm') || '';
 114                 if ($y0 ne 'Remove user account' || $conf ne $user->{name}) {
 115                         my $blurb1 = '.';
 116                         my $projectsinfo = '';
 117                         my @projects = $user->get_projects;
 118                         if (@projects) {
 119                                 $projectsinfo = projects_html_list({target=>"_blank", typecol=>1, changed=>1}, @projects);
 120                                 $blurb1 = ' and from the following projects:' if $projectsinfo;
 121                         }
 122                         my $ownedinfo = '';
 123                         my @ownedprojects = filedb_grep(jailed_file('/etc/gitweb.list'),
 124                                 sub {
 125                                         chomp;
 126                                         my ($proj, $owner) = split / /;
 127                                         $owner = CGI::Util::unescape($owner);
 128                                         if ($owner eq $user->{email}) {
 129                                                 $proj = CGI::Util::unescape($proj);
 130                                                 $proj =~ s/[.]git$//;
 131                                                 $proj;
 132                                         }
 133                                 }
 134                         );
 135                         if (@ownedprojects) {
 136                                 $ownedinfo = <<EOT;
 137 <p>The following project(s) are owned by the same email address as user account '$user->{name}'
 138 and <b>will NOT be removed</b>.  If desired, they can be removed from their project admin
 139 page(s) (the "edit" link on the project page).</p>
 140 EOT
 141                                 $ownedinfo .= projects_html_list(
 142                                         {target=>"_blank", typecol=>1, changed=>1}, @ownedprojects);
 143                         }
 144                         print <<EOT;
 145 <p>Please confirm that you are going to remove user account '$user->{name}'
 146 from the site$blurb1</p>$projectsinfo$ownedinfo
 147 <form method="post" action="@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi">
 148 <input type="hidden" name="name" value="$name" />
 149 <input type="hidden" name="auth" value="$auth" />
 150 <input type="hidden" name="confirm" value="$name" />
 151 <p><input type="submit" name="y0" value="Remove user account" /></p>
 152 </form>
 153 EOT
 154                         exit;
 155                 }
 156
 157                 $user->remove;
 158                 print "<p>User account successfully removed. Have a nice day.</p>\n";
 159                 exit;
 160         }
 161 }
 162
 163 print <<EOT;
 164 <p>Here you can request an authorization code to remove your user account.</p>
 165
 166 <p>Please enter your username below;
 167 we will send you an email with an authorization code
 168 and further instructions.</p>
 169
 170 <form method="post" action="@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi">
 171 <table class="form">
 172 <tr><td class="formlabel">Login:</td><td><input type="text" name="name" /></td></tr>
 173 <tr style="display:none"><td class="formlabel">Anti-captcha (leave empty!):</td><td><input type="text" name="mail" /></td></tr>
 174 <tr><td class="formlabel"></td><td><input type="submit" name="y0" value="Send authorization code" /></td></tr>
 175 </table>
 176 </form>
 177 EOT