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 my $y0 = $cgi->param('y0') || '';
  46 if ($cgi->param('name') && $y0 && $cgi->request_method eq 'POST') {
  47         # submitted, let's see
  48         # FIXME: racy, do a lock
  49         my $name = $gcgi->wparam('name');
  50         (Girocco::User::valid_name($name)
  51                 and Girocco::User::does_exist($name))
  52                 or $gcgi->err("Username is not registered.");
  53
  54         $gcgi->err_check and exit;
  55
  56         my $user;
  57         ($user = Girocco::User->load($name)) && valid_email($user->{email})
  58                 or $gcgi->err("Username may not be removed.");
  59
  60         $gcgi->err_check and exit;
  61
  62         if (!$cgi->param('auth')) {
  63                 if ($y0 ne 'Send authorization code') {
  64                         print "<p>Invalid data. Go away, sorcerer.</p>\n";
  65                         exit;
  66                 }
  67
  68                 valid_email($user->{email}) or die "Sorry, this user cannot be removed.";
  69
  70                 my $auth = $user->gen_auth('DEL');
  71
  72                 # Send auth mail
  73                 defined(my $MAIL = mailer_pipe '-s', "[$Girocco::Config::name] Account removal authorization", $user->{email}) or
  74                         die "Sorry, could not send authorization code: $!";
  75                 print $MAIL <<EOT;
  76 Hello,
  77
  78 You have requested an authorization code be sent to you for removing
  79 your account.  If you don't want to actually remove your account, just
  80 ignore this e-mail.  Otherwise, use this code within 24 hours:
  81
  82 $auth
  83
  84 Should you run into any problems, please let us know.
  85
  86 Have fun!
  87 EOT
  88                 close $MAIL;
  89
  90                 print "<p>You should shortly receive an e-mail containing an authorization code.
  91                         Please enter this code below to remove your account.
  92                         The code will expire in 24 hours or after you have used it.</p>";
  93                 _auth_form($name, "'Login'");
  94                 exit;
  95         } else {
  96                 if ($y0 ne "'Login'" && $y0 ne "Remove user account") {
  97                         print "<p>Invalid data. Go away, sorcerer.</p>\n";
  98                         exit;
  99                 }
 100
 101                 $user->{auth} && $user->{authtype} eq 'DEL' or do {
 102                         print "<p>There currently isn't any authorization code filed under your account.  ".
 103                                 "Please <a href=\"@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi\">generate one</a>.</p>";
 104                         exit;
 105                 };
 106
 107                 my $auth = $gcgi->wparam('auth');
 108                 if ($auth ne $user->{auth}) {
 109                         print "<p>Invalid authorization code, please re-enter or ".
 110                                 "<a href=\"@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi\">generate a new one</a>.</p>";
 111                         _auth_form($name, "'Login'");
 112                         exit;
 113                 }
 114
 115                 my $conf = $gcgi->wparam('confirm') || '';
 116                 if ($y0 ne 'Remove user account' || $conf ne $user->{name}) {
 117                         my $blurb1 = '.';
 118                         my $projectsinfo = '';
 119                         my @projects = $user->get_projects;
 120                         if (@projects) {
 121                                 $projectsinfo = projects_html_list({target=>"_blank", typecol=>1, changed=>1}, @projects);
 122                                 $blurb1 = ' and from the following projects:' if $projectsinfo;
 123                         }
 124                         my $ownedinfo = '';
 125                         my @ownedprojects = filedb_grep(jailed_file('/etc/gitweb.list'),
 126                                 sub {
 127                                         chomp;
 128                                         my ($proj, $owner) = split / /;
 129                                         $owner = CGI::Util::unescape($owner);
 130                                         if ($owner eq $user->{email}) {
 131                                                 $proj = CGI::Util::unescape($proj);
 132                                                 $proj =~ s/[.]git$//;
 133                                                 $proj;
 134                                         }
 135                                 }
 136                         );
 137                         if (@ownedprojects) {
 138                                 $ownedinfo = <<EOT;
 139 <p>The following project(s) are owned by the same email address as user account '$user->{name}'
 140 and <b>will NOT be removed</b>.  If desired, they can be removed from their project admin
 141 page(s) (the "edit" link on the project page).</p>
 142 EOT
 143                                 $ownedinfo .= projects_html_list(
 144                                         {target=>"_blank", typecol=>1, changed=>1}, @ownedprojects);
 145                         }
 146                         print <<EOT;
 147 <p>Please confirm that you are going to remove user account '$user->{name}'
 148 from the site$blurb1</p>$projectsinfo$ownedinfo
 149 <form method="post" action="@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi">
 150 <input type="hidden" name="name" value="$name" />
 151 <input type="hidden" name="auth" value="$auth" />
 152 <input type="hidden" name="confirm" value="$name" />
 153 <p><input type="submit" name="y0" value="Remove user account" /></p>
 154 </form>
 155 EOT
 156                         exit;
 157                 }
 158
 159                 $user->remove;
 160                 print "<p>User account successfully removed. Have a nice day.</p>\n";
 161                 exit;
 162         }
 163 }
 164
 165 print <<EOT;
 166 <p>Here you can request an authorization code to remove your user account.</p>
 167
 168 <p>Please enter your username below;
 169 we will send you an email with an authorization code
 170 and further instructions.</p>
 171
 172 <form method="post" action="@{[url_path($Girocco::Config::webadmurl)]}/deluser.cgi">
 173 <table class="form">
 174 <tr><td class="formlabel">Login:</td><td><input type="text" name="name" /></td></tr>
 175 <tr style="display:none"><td class="formlabel">Anti-captcha (leave empty!):</td><td><input type="text" name="mail" /></td></tr>
 176 <tr><td class="formlabel"></td><td><input type="submit" name="y0" value="Send authorization code" /></td></tr>
 177 </table>
 178 </form>
 179 EOT