Added support for lists.
[licom.git] / book.cgi
index bebf6d1..4af14ad 100755 (executable)
--- a/book.cgi
+++ b/book.cgi
@@ -35,12 +35,14 @@ $Action ||= 'default';
 
 our %Actions =
 (
-       browse  => [\&html_start, \&action_browse, \&html_end],
-       default => [\&html_start, \&action_browse, \&html_end],
+       browse  => [\&html_start, \&action_browse,  \&html_end],
+       default => [\&html_start, \&action_browse,  \&html_end],
        detail  => [\&html_start, \&action_detail,  \&html_end],
        edit    => [\&html_start, \&action_edit,    \&html_end],
+       list    => [\&html_start, \&action_list,    \&html_end],
        save    => [\&html_start, \&action_save,    \&html_end],
        search  => [\&html_start, \&action_search,  \&html_end],
+       verify  => [\&html_start, \&action_verify,  \&html_end],
        vcard   => \&action_vcard
 );
 
@@ -99,11 +101,19 @@ sub action_browse
 {
        my $group = param ('group');
        $group = shift if (@_);
-       $group ||= '*';
+       $group ||= '';
 
-       my @all = Person->search ([[group => $group]]);
+       my @all;
+       if ($group)
+       {
+               @all = Person->search ([[group => $group]]);
+       }
+       else
+       {
+               @all = Person->search ();
+       }
 
-       if ($group eq '*')
+       if (!$group)
        {
                my %groups = ();
                for (@all)
@@ -111,31 +121,119 @@ sub action_browse
                        my $person = $_;
                        my @g = $person->get ('group');
 
-                       $groups{$_} = 1 for (@g);
+                       $groups{$_} = (defined ($groups{$_}) ? $groups{$_} + 1 : 1) for (@g);
                }
 
-               print qq(\t<h2>Contact Groups</h2>\n\t<ul class="groups">\n);
+               print qq(\t\t<h2>Contact Groups</h2>\n\t\t<ul class="groups">\n);
                for (sort (keys (%groups)))
                {
                        my $group = $_;
                        my $group_esc = uri_escape ($group);
+                       my $num = $groups{$group};
 
-                       print qq(\t\t<li><a href="$MySelf?action=browse&group=$group_esc">$group</a></li>\n);
+                       print qq(\t\t\t<li><a href="$MySelf?action=browse&group=$group_esc">$group</a> ($num)</li>\n);
+               }
+               if (!%groups)
+               {
+                       print qq(\t\t\t<li class="empty">There are no groups yet.</li>\n);
                }
-               print qq(\t</ul>\n);
+               print qq(\t\t</ul>\n\n);
+       }
+
+       if ($group)
+       {
+               print qq(\t\t<h2>Contact Group &quot;$group&quot;</h2>\n);
        }
        else
        {
-               print qq(\t<h2>Contact Group &quot;$group&quot;</h2>\n\t<ul class="results">\n);
-               for (@all)
-               {
-                       my $person = $_;
-                       my $cn = $person->name ();
-                       my $cn_esc = uri_escape ($cn);
+               print qq(\t\t<h2>All Contacts</h2>\n);
+       }
 
-                       print qq(\t\t<li><a href="$MySelf?action=detail&cn=$cn_esc">$cn</a></li>\n);
+       print qq(\t\t<ul class="results">\n);
+       for (sort { $a->name () cmp $b->name () } (@all))
+       {
+               my $person = $_;
+               my $cn = $person->name ();
+               my $cn_esc = uri_escape ($cn);
+
+               print qq(\t\t\t<li><a href="$MySelf?action=detail&cn=$cn_esc">$cn</a></li>\n);
+       }
+       print qq(\t\t</ul>\n\n);
+
+       print qq(\t\t<div class="menu">\n);
+       if ($group)
+       {
+               my $group_esc = uri_escape ($group);
+               print qq(\t\t\t[<a href="$MySelf?action=list&group=$group_esc">List</a>]\n),
+               qq(\t\t\t[<a href="$MySelf?action=browse">Back</a>]\n);
+       }
+       else
+       {
+               print qq(\t\t\t[<a href="$MySelf?action=list">List</a>]\n);
+       }
+       print qq(\t\t</div>\n);
+}
+
+sub action_list
+{
+       my $group = param ('group');
+       $group = shift if (@_);
+       $group ||= '';
+
+       my $title = $group ? "List of group &quot;$group&quot;" : 'List of all addresses';
+       my @fields = (qw(address homephone cellphone officephone fax mail));
+
+       my @all = ();
+       if ($group)
+       {
+               @all = Person->search ([[group => $group]]);
+       }
+       else
+       {
+               @all = Person->search ();
+       }
+
+       print <<EOF;
+               <h2>$title</h2>
+
+               <table class="list">
+                       <tr>
+                               <th>Name</th>
+EOF
+       for (@fields)
+       {
+               print "\t\t\t\t<th>" . (defined ($FieldNames{$_}) ? $FieldNames{$_} : $_) . "</th>\n";
+       }
+       print "\t\t\t</tr>\n";
+
+       for (sort { $a->name () cmp $b->name () } (@all))
+       {
+               my $person = $_;
+               my $sn = $person->lastname ();
+               my $gn = $person->firstname ();
+
+               print "\t\t\t<tr>\n",
+               "\t\t\t\t<td>$sn, $gn</td>\n";
+
+               for (@fields)
+               {
+                       my $field = $_;
+                       my @values = $person->get ($field);
+                       print "\t\t\t\t<td>" . join ('<br />', @values) . "</td>\n";
                }
-               print qq(\t</ul>\n);
+
+               print "\t\t\t</tr>\n";
+       }
+       print "\t\t</table>\n\n";
+
+       if ($group)
+       {
+               my $group_esc = uri_escape ($group);
+               print qq(\t\t<div class="menu">[<a href="$MySelf?action=browse&group=$group_esc">Back</a>]</div>\n);
+       }
+       else
+       {
+               print qq(\t\t<div class="menu">[<a href="$MySelf?action=browse">Back</a>]</div>\n);
        }
 }
 
@@ -152,16 +250,16 @@ sub action_detail
                return;
        }
 
-       print qq(\t<h2>Details for $cn</h2>\n);
+       print qq(\t\t<h2>Details for $cn</h2>\n);
 
        my $cn_esc = uri_escape ($cn);
 
        print <<EOF;
-       <table class="detail">
-               <tr>
-                       <th>Name</th>
-                       <td>$cn</td>
-               </tr>
+               <table class="detail">
+                       <tr>
+                               <th>Name</th>
+                               <td>$cn</td>
+                       </tr>
 EOF
        for (@MultiFields)
        {
@@ -172,30 +270,50 @@ EOF
 
                next unless ($num);
 
-               print "\t\t<tr>\n";
+               print "\t\t\t<tr>\n";
                if ($num > 1)
                {
-                       print qq(\t\t\t<th rowspan="$num">$print</th>\n);
+                       print qq(\t\t\t\t<th rowspan="$num">$print</th>\n);
                }
                else
                {
-                       print qq(\t\t\t<th>$print</th>\n);
+                       print qq(\t\t\t\t<th>$print</th>\n);
                }
 
                for (my $i = 0; $i < $num; $i++)
                {
                        my $val = $values->[$i];
-                       print "\t\t<tr>\n" if ($i);
-                       print "\t\t\t<td>$val</td>\n",
-                       "\t\t</tr>\n";
+
+                       if ($field eq 'group')
+                       {
+                               my $val_esc = uri_escape ($val);
+                               $val = qq(<a href="$MySelf?action=browse&group=$val_esc">$val</a>);
+                       }
+                       elsif ($field eq 'uri')
+                       {
+                               my $uri = $val;
+                               $uri = qq(http://$val) unless ($val =~ m#^[a-z]+://#);
+                               $val = qq(<a href="$uri" class="extern">$val</a>);
+                       }
+                       elsif ($field eq 'mail')
+                       {
+                               $val = qq(<a href="mailto:$val" class="mail">$val</a>);
+                       }
+                       
+                       print "\t\t\t<tr>\n" if ($i);
+                       print "\t\t\t\t<td>$val</td>\n",
+                       "\t\t\t</tr>\n";
                }
        }
        print <<EOF;
-       </table>
-       <div class="detail menu">
-               [<a href="$MySelf?action=edit&cn=$cn_esc">edit</a>]
-               [<a href="$MySelf?action=vcard&cn=$cn_esc">vCard</a>]
-       </div>
+               </table>
+
+               <div class="menu">
+                       [<a href="$MySelf?action=verify&cn=$cn_esc">Verify</a>]
+                       [<a href="$MySelf?action=vcard&cn=$cn_esc">vCard</a>]
+                       [<a href="$MySelf?action=edit&cn=$cn_esc">Edit</a>]
+               </div>
+
 EOF
 }
 
@@ -284,14 +402,11 @@ sub action_edit
        
                $lastname    = $person->lastname ();
                $firstname   = $person->firstname ();
-               $contacts->{'address'}     = $person->address ();
-               $contacts->{'homephone'}   = $person->homephone ();
-               $contacts->{'cellphone'}   = $person->cellphone ();
-               $contacts->{'officephone'} = $person->officephone ();
-               $contacts->{'fax'}         = $person->fax ();
-               $contacts->{'mail'}        = $person->mail ();
-               $contacts->{'uri'}         = $person->uri ();
-               $contacts->{'group'}       = $person->group ();
+
+               for (@MultiFields)
+               {
+                       $contacts->{$_} = $person->get ($_);
+               }
        }
 
        $lastname    = param ('lastname')    if (param ('lastname')  and $UserID);
@@ -309,99 +424,83 @@ sub action_edit
 
        if ($cn)
        {
-               print "\t<h2>Edit contact $cn</h2>\n";
+               print "\t\t<h2>Edit contact $cn</h2>\n";
        }
        else
        {
-               print "\t<h2>Create new contact</h2>\n";
+               print "\t\t<h2>Create new contact</h2>\n";
        }
 
-       my $selector = sub
-       {
-               my $selected = @_ ? shift : '';
-
-               my @options = ([none => '-- Contact --']);
-
-               for (@MultiFields)
-               {
-                       my $field = $_;
-                       my $print = defined ($FieldNames{$field}) ? $FieldNames{$field} : $field;
-                       push (@options, [$field, $print]);
-               }
-
-               print qq(<select name="c_type">\n);
-               for (@options)
-               {
-                       my ($field, $print) = @$_;
-                       my $sel = $field eq $selected ? ' selected="selected"' : '';
-                       print qq(\t\t\t\t<option value="$field"$sel>$print</option>\n);
-               }
-               print qq(\t\t\t</select>);
-       };
-
        print <<EOF;
-       <form action="$MySelf" method="post">
-       <input type="hidden" name="action" value="save" />
-       <input type="hidden" name="cn" value="$cn" />
-       <table class="edit">
-               <tr>
-                       <td>Lastname</td>
+               <form action="$MySelf" method="post">
+               <input type="hidden" name="action" value="save" />
+               <input type="hidden" name="cn" value="$cn" />
+               <table class="edit">
+                       <tr>
+                               <th>Lastname</th>
 EOF
        if ($UserID)
        {
-               print qq(\t\t\t<td><input type="text" name="lastname" value="$lastname" /></td>\n);
+               print qq(\t\t\t\t<td><input type="text" name="lastname" value="$lastname" /></td>\n);
        }
        else
        {
-               print qq(\t\t\t<td>$lastname</td>\n);
+               print qq(\t\t\t\t<td>$lastname</td>\n);
        }
        print <<EOF;
-               </tr>
-               <tr>
-                       <td>Firstname</td>
+                       </tr>
+                       <tr>
+                               <th>Firstname</th>
 EOF
        if ($UserID)
        {
-               print qq(\t\t\t<td><input type="text" name="firstname" value="$firstname" /></td>\n);
+               print qq(\t\t\t\t<td><input type="text" name="firstname" value="$firstname" /></td>\n);
        }
        else
        {
-               print qq(\t\t\t<td>$firstname</td>\n);
+               print qq(\t\t\t\t<td>$firstname</td>\n);
        }
        
-       print "\t\t</tr>\n";
+       print "\t\t\t</tr>\n";
 
        for (@MultiFields)
        {
                my $field = $_;
+               my $print = defined ($FieldNames{$field}) ? $FieldNames{$field} : $field;
                my @values = @{$contacts->{$field}};
 
-               @values = ('') unless (@values);
+               push (@values, '');
                
                for (@values)
                {
                        my $value = $_;
-                       print "\t\t<tr>\n",
-                       "\t\t\t<td>";
-                       $selector->($field);
-                       print "</td>\n", <<EOF;
-                       <td><input type="text" name="c_value" value="$value" /></td>
-               </tr>
+
+                       print <<EOF;
+                       <tr>
+                               <th>$print</th>
+                               <td><input type="text" name="$field" value="$value" /></td>
+                       </tr>
 EOF
                }
        }
 
-       print "\t\t<tr>\n",
-       "\t\t\t<td>";
-       $selector->();
-       print "</td>\n", <<EOF;
-                       <td><input type="text" name="c_value" value="" /></td>
-               </tr>
-               <tr>
-                       <td colspan="2"><input type="submit" name="button" value="Save" /></td>
-               </tr>
-       </table>
-       </form>
+       print <<EOF;
+                       <tr>
+                               <th colspan="2" class="menu">
+EOF
+       if ($UserID)
+       {
+               print <<EOF;
+                                       <input type="submit" name="button" value="Cancel" />
+                                       <input type="submit" name="button" value="Apply" />
+EOF
+       }
+       print <<EOF;
+                                       <input type="submit" name="button" value="Save" />
+                               </th>
+                       </tr>
+               </table>
+               </form>
 EOF
 }
 
@@ -409,6 +508,12 @@ sub action_save
 {
        my $cn = $UserID ? param ('cn') : $UserCN;
 
+       if (verify_fields ())
+       {
+               action_edit (cn => $cn);
+               return;
+       }
+
        if ($cn)
        {
                action_update ();
@@ -417,6 +522,15 @@ sub action_save
 
        die unless ($UserID);
 
+       my $button = lc (param ('button'));
+       $button ||= 'save';
+
+       if ($button eq 'cancel')
+       {
+               action_browse ();
+               return;
+       }
+
        if (!param ('lastname') or !param ('firstname'))
        {
                print qq(\t<div class="error">You have to give both, first and lastname, to identify this record.</div>\n);
@@ -439,7 +553,14 @@ sub action_save
        
        $cn = $person->name ();
 
-       action_detail ($cn);
+       if ($button eq 'apply')
+       {
+               action_edit (cn => $cn);
+       }
+       else
+       {
+               action_detail ($cn);
+       }
 }
 
 sub action_update
@@ -449,6 +570,15 @@ sub action_update
 
        die unless ($person);
 
+       my $button = lc (param ('button'));
+       $button ||= 'save';
+
+       if ($UserID and $button eq 'cancel')
+       {
+               action_detail ($cn);
+               return;
+       }
+
        if ($UserID)
        {
                my $lastname  = param ('lastname');
@@ -477,13 +607,13 @@ sub action_update
                }
        }
 
-       if ($UserID)
+       if ($button eq 'apply' or !$UserID)
        {
-               action_detail ($cn);
+               action_edit (cn => $cn);
        }
        else
        {
-               action_edit (cn => $cn);
+               action_detail ($cn);
        }
 }
 
@@ -536,77 +666,321 @@ EOF
        print "END:VCARD\n";
 }
 
-sub html_start
+sub action_verify
 {
-       my $title = shift;
-       $title = q(octo's Lightweight Address Book) unless ($title);
+       my $cn = param ('cn');
+       $cn = shift if (@_);
+       die unless ($cn);
 
-       print <<EOF;
-Content-Type: text/html; charset=UTF-8
+       my $person = Person->load ($cn);
+       die unless ($person);
 
-<html>
-       <head>
-               <title>$title</title>
-               <style type="text/css">
-               <!--
-body
-{
-       color: black;
-       background-color: white;
-}
+       my ($mail) = $person->get ('mail');
+       $mail ||= '';
 
-div.error
-{
-       color: red;
-       background-color: yellow;
-       
-       font-weight: bold;
-       padding: 1ex;
-       border: 2px solid red;
+       my $message;
+       my $password = $person->password ();
+
+       if (!$password)
+       {
+               $password = pwgen ();
+               $person->password ($password);
+       }
+
+       $message = qq(The password for the record &quot;$cn&quot; is &quot;$password&quot;.);
+
+       if ($mail)
+       {
+               if (action_verify_send_mail ($person))
+               {
+                       $message .= qq( A request for verification has been sent to $mail.);
+               }
+       }
+       else
+       {
+               $message .= q( There was no e-mail address, thus no verification request could be sent.);
+       }
+
+       print qq(\t\t<div class="message">$message</div>\n);
+
+       action_detail ($cn);
 }
 
-div.foot
+sub action_verify_send_mail
 {
-       color: gray;
-       background-color: white;
-
-       position: absolute;
-       top: auto;
-       right: 0px;
-       bottom: 0px;
-       left: 0px;
+       my $person = shift;
+       my $owner = Person->load ($UserCN);
+       my $smh;
+
+       my ($owner_mail) = $owner->get ('mail');
+       if (!$owner_mail)
+       {
+               my $cn = uri_escape ($UserCN);
+               print qq(\t\t<div class="error">You have no email set in your own profile. <a href="$MySelf?action=edit&cn=$cn">Edit it now</a>!</div>\n);
+               return (0);
+       }
+
+       my $max_width = 0;
+       for (keys %FieldNames)
+       {
+               $max_width = length $FieldNames{$_} if ($max_width < length $FieldNames{$_});
+       }
+       $max_width++;
+
+       my $person_name = $person->name ();
+       my ($person_mail) = $person->get ('mail');
+       my $person_gn = $person->firstname ();
+       my $password = $person->password ();
+
+       my $host = $ENV{'HTTP_HOST'};
+       my $url = 'http://' . $host . $MySelf;
        
-       font-size: x-small;
-       text-align: right;
-       border-top: 1px solid black;
-       width: 100%;
-}
+       open ($smh, "| /usr/sbin/sendmail -t -f $owner_mail") or die ("open pipe to sendmail: $!");
+       print $smh <<EOM;
+To: $person_name <$person_mail>
+From: $UserCN <$owner_mail>
+Subject: Please verify our entry in my address book
 
-div.menu form
-{
-       display: inline;
-       margin-right: 5ex;
-}
+Hello $person_gn,
 
-img
-{
-       border: none;
-}
+the following is your entry in my address book:
+EOM
+       for (@MultiFields)
+       {
+               my $field = $_;
+               my $print = defined ($FieldNames{$field}) ? $FieldNames{$field} : $field;
+               my @values = $person->get ($field);
 
-td
-{
-       color: black;
-       background-color: #cccccc;
+               for (@values)
+               {
+                       printf $smh ('%'.$max_width."s: %-s\n", $print, $_);
+               }
+       }
+       print $smh <<EOM;
+
+If this entry is outdated or incomplete, please take a minute and correct it.
+  Address:  $url
+ Username: $person_name
+ Password: $password
+
+Thank you very much :) Regards,
+$UserCN
+EOM
+       close ($smh);
+
+       return (1);
 }
 
-th
+sub html_start
 {
-       color: black;
-       background-color: #999999;
-       padding: 0.3ex;
-       text-align: left;
-       vertical-align: top;
-}
+       my $title = shift;
+       $title = q(Lightweight Contact Manager) unless ($title);
+
+       print <<EOF;
+Content-Type: text/html; charset=UTF-8
+
+<html>
+       <head>
+               <title>$title</title>
+               <style type="text/css">
+               <!--
+               \@media screen
+               {
+                       a
+                       {
+                               color: blue;
+                               background-color: inherit;
+                               text-decoration: none;
+                       }
+
+                       a:hover
+                       {
+                               text-decoration: underline;
+                       }
+
+                       a:visited
+                       {
+                               color: navy;
+                               background-color: inherit;
+                       }
+
+                       body
+                       {
+                               color: black;
+                               background-color: white;
+                       }
+
+                       div.error
+                       {
+                               color: red;
+                               background-color: yellow;
+
+                               font-weight: bold;
+                               padding: 1ex;
+                               border: 2px solid red;
+                       }
+
+                       div.foot
+                       {
+                               color: gray;
+                               background-color: white;
+
+                               position: fixed;
+                               top: auto;
+                               right: 0px;
+                               bottom: 0px;
+                               left: 0px;
+
+                               font-size: x-small;
+                               text-align: right;
+                               border-top: 1px solid black;
+                               width: 100%;
+                       }
+
+                       div.foot a
+                       {
+                               color: black;
+                               background-color: inherit;
+                               text-decoration: none;
+                       }
+
+                       div.foot a:hover
+                       {
+                               text-decoration: underline;
+                       }
+
+                       div.menu
+                       {
+                               border-top: 1px solid black;
+                               margin-top: 1ex;
+                               font-weight: bold;
+                       }
+
+                       div.menu a
+                       {
+                               color: blue;
+                               background-color: transparent;
+                       }
+
+                       div.topmenu
+                       {
+                               margin-bottom: 1ex;
+                               padding-bottom: 1ex;
+                               border-bottom: 1px solid black;
+                       }
+
+                       div.topmenu form
+                       {
+                               display: inline;
+                               margin-right: 5ex;
+                       }
+
+                       h1
+                       {
+                               position: absolute;
+                               top: 1ex;
+                               right: 1ex;
+                               bottom: auto;
+                               left: auto;
+
+                               font-size: 100%;
+                               font-weight: bold;
+                       }
+
+                       img
+                       {
+                               border: none;
+                       }
+
+                       table.list
+                       {
+                               width: 100%;
+                       }
+
+                       table.list td
+                       {
+                               empty-cells: show;
+                       }
+
+                       td
+                       {
+                               color: black;
+                               background-color: #cccccc;
+                               vertical-align: top;
+                       }
+
+                       th
+                       {
+                               color: black;
+                               background-color: #999999;
+                               padding: 0.3ex;
+                               text-align: left;
+                               vertical-align: top;
+                       }
+               }
+
+               \@media print
+               {
+                       a
+                       {
+                               color: inherit;
+                               background-color: inherit;
+                               text-decoration: underline;
+                       }
+                       
+                       div.topmenu, div.menu
+                       {
+                               display: none;
+                       }
+
+                       div.foot
+                       {
+                               font-size: 50%;
+                               text-align: right;
+                       }
+
+                       h1
+                       {
+                               display: none;
+                       }
+
+                       h2
+                       {
+                               font-size: 100%;
+                       }
+
+                       table
+                       {
+                               border-collapse: collapse;
+                       }
+
+                       table.list
+                       {
+                               width: 100%;
+                       }
+
+                       table.list td
+                       {
+                               empty-cells: show;
+                       }
+
+                       table.list th
+                       {
+                               border-bottom-width: 2px;
+                       }
+
+                       td, th
+                       {
+                               border: 1px solid black;
+                               vertical-align: top;
+                       }
+
+                       th
+                       {
+                               font-weight: bold;
+                               text-align: center;
+                       }
+               }
                //-->
                </style>
        </head>
@@ -617,7 +991,7 @@ EOF
        {
                my $search = param ('search') || '';
                print <<EOF;
-               <div class="menu">
+               <div class="topmenu">
                        <form action="$MySelf" method="post">
                                <input type="hidden" name="action" value="browse" />
                                <input type="submit" name="button" value="Browse" />
@@ -633,16 +1007,19 @@ EOF
                                <input type="submit" name="button" value="Add New" />
                        </form>
                </div>
-               <hr />
 EOF
        }
-       print "\t\t<h1>octo's Lightweight Address Book</h1>\n";
+       print "\t\t<h1>$title</h1>\n";
 }
 
 sub html_end
 {
        print <<EOF;
-               <div class="foot">octo's Lightweight Address Book &lt;octo at verplant.org&gt;</div>
+               <div class="foot">
+                       &quot;Lightweight Contact Manager&quot;,
+                       written 2005 by <a href="http://verplant.org/">Florian octo Forster</a>
+                       &lt;octo at verplant.org&gt;
+               </div>
        </body>
 </html>
 EOF
@@ -676,33 +1053,107 @@ sub read_config
        }
 }
 
-sub get_contacts
+sub pwgen
 {
-       my $contacts = @_ ? shift : {};
+       my $len = @_ ? shift : 6;
+       my $retval = '';
 
-       if (param ('c_value'))
+       while (!$retval)
        {
-               my @c_values = param ('c_value');
-               my @c_types  = param ('c_type');
+               my $numbers = 0;
+               my $lchars  = 0;
+               my $uchars  = 0;
+               
+               while (length ($retval) < $len)
+               {
+                       my $chr = int (rand (128));
+
+                       if ($chr >= 48 and $chr < 58)
+                       {
+                               $numbers++;
+                       }
+                       elsif ($chr >= 65 and $chr < 91)
+                       {
+                               $uchars++;
+                       }
+                       elsif ($chr >= 97 and $chr < 123)
+                       {
+                               $lchars++;
+                       }
+                       else
+                       {
+                               next;
+                       }
+                       $retval .= chr ($chr);
+               }
 
-               my %cts = ();
+               $retval = '' if (!$numbers or !$lchars or !$uchars);
+       }
 
-               die if (scalar (@c_values) != scalar (@c_types));
+       return ($retval);
+}
 
-               for (my $i = 0; $i < scalar (@c_values); $i++)
+sub verify_fields
+{
+       my @errors = ();
+       for (param ('uri'))
+       {
+               my $val = $_;
+               next unless ($val);
+
+               if ($val !~ m#^[a-zA-Z]+://#)
                {
-                       my $type  = $c_types[$i];
-                       my $value = $c_values[$i];
+                       push (@errors, 'URIs have to begin with a protocol, e.g. &quot;http://&quot;, &quot;ftp://&quot; etc.');
+                       last;
+               }
+       }
 
-                       $cts{$type} = [] unless (defined ($cts{$type}));
-                       push (@{$cts{$type}}, $value) if ($value);
+       for (param ('homephone'), param ('cellphone'), param ('officephone'), param ('fax'))
+       {
+               my $number = $_;
+               next unless ($number);
+
+               if ($number !~ m/^\+/)
+               {
+                       push (@errors, 'Telephone numbers have to begin with the country code, e.g. &quot;+49 911 123456&quot;');
+                       last;
                }
+       }
 
-               for (@MultiFields)
+       print qq(\t\t<div class="error">\n) if (@errors);
+       for (my $i = 0; $i < scalar (@errors); $i++)
+       {
+               my $e = $errors[$i];
+
+               print "<br />\n" if ($i);
+               print "\t\t\t$e";
+       }
+       print qq(\n\t\t</div>\n\n) if (@errors);
+
+       return (scalar (@errors));
+}
+
+sub get_contacts
+{
+       my $contacts = @_ ? shift : {};
+
+       for (@MultiFields)
+       {
+               my $field = $_;
+               my @values = grep { $_ } (param ($field));
+
+               next unless (@values);
+
+               if ($field eq 'homephone' or $field eq 'cellphone' or $field eq 'officephone' or $field eq 'fax')
                {
-                       my $type = $_;
-                       @{$contacts->{$type}} = @{$cts{$type}} if (defined ($cts{$type}));
+                       for (@values)
+                       {
+                               $_ =~ s/\D//g;
+                               $_ = '+' . $_;
+                       }
                }
+               
+               $contacts->{$field} = [@values] if (@values);
        }
 
        return ($contacts);