MrPetovan/friendica
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CSRF-Protection in the group-related form (creating, renaming and dropping a group, adding/removing members from it)

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This commit is contained in:
Tobias Hößl 2012-03-18 15:44:33 +00:00
parent 72894b0e91
commit 453b5b46a3
5 changed files with 29 additions and 10 deletions
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6
include/security.php
View file

@ -334,3 +334,9 @@ function check_form_security_token_redirectOnErr($err_redirect, $typename = "",
goaway($a->get_baseurl() . $err_redirect );
}
}
function check_form_security_token_ForbiddenOnErr($typename = "", $formname = 'form_security_token') {
if (!check_form_security_token($typename, $formname)) {
header('HTTP/1.1 403 Forbidden');
killme();
}
}

4
js/main.js
View file

@ -486,9 +486,9 @@
return a.join('');
}
function groupChangeMember(gid,cid) {
function groupChangeMember(gid, cid, sec_token) {
$('body .fakelink').css('cursor', 'wait');
$.get('group/' + gid + '/' + cid, function(data) {
$.get('group/' + gid + '/' + cid + "?t=" + sec_token, function(data) {
$('#group-update-wrapper').html(data);
$('body .fakelink').css('cursor', 'auto');
});

24
mod/group.php
View file

@ -21,6 +21,8 @@ function group_post(&$a) {
}
if(($a->argc == 2) && ($a->argv[1] === 'new')) {
check_form_security_token_redirectOnErr('/group/new', 'group_edit');
$name = notags(trim($_POST['groupname']));
$r = group_add(local_user(),$name);
if($r) {
@ -35,6 +37,8 @@ function group_post(&$a) {
return; // NOTREACHED
}
if(($a->argc == 2) && (intval($a->argv[1]))) {
check_form_security_token_redirectOnErr('/group', 'group_edit');
$r = q("SELECT * FROM `group` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($a->argv[1]),
intval(local_user())
@ -62,6 +66,7 @@ function group_post(&$a) {
}
function group_content(&$a) {
$change = false;
if(! local_user()) {
notice( t('Permission denied') . EOL);
@ -83,14 +88,17 @@ function group_content(&$a) {
return replace_macros($tpl, $context + array(
'$title' => t('Create a group of contacts/friends.'),
'$gname' => array('groupname',t('Group Name: '),$group['name'], ''),
'$gname' => array('groupname',t('Group Name: '), '', ''),
'$gid' => 'new',
'$form_security_token' => get_form_security_token("group_edit"),
));
}
if(($a->argc == 3) && ($a->argv[1] === 'drop')) {
check_form_security_token_redirectOnErr('/group', 'group_drop', 't');
if(intval($a->argv[2])) {
$r = q("SELECT `name` FROM `group` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($a->argv[2]),
@ -108,6 +116,8 @@ function group_content(&$a) {
}
if(($a->argc > 2) && intval($a->argv[1]) && intval($a->argv[2])) {
check_form_security_token_ForbiddenOnErr('group_member_change', 't');
$r = q("SELECT `id` FROM `contact` WHERE `id` = %d AND `uid` = %d and `self` = 0 and `blocked` = 0 AND `pending` = 0 LIMIT 1",
intval($a->argv[2]),
intval(local_user())
@ -155,7 +165,8 @@ function group_content(&$a) {
$drop_tpl = get_markup_template('group_drop.tpl');
$drop_txt = replace_macros($drop_tpl, array(
'$id' => $group['id'],
'$delete' => t('Delete')
'$delete' => t('Delete'),
'$form_security_token' => get_form_security_token("group_drop"),
));
$celeb = ((($a->user['page-flags'] == PAGE_SOAPBOX) || ($a->user['page-flags'] == PAGE_COMMUNITY)) ? true : false);
@ -166,6 +177,7 @@ function group_content(&$a) {
'$gname' => array('groupname',t('Group Name: '),$group['name'], ''),
'$gid' => $group['id'],
'$drop' => $drop_txt,
'$form_security_token' => get_form_security_token('group_edit'),
);
}
@ -177,14 +189,14 @@ function group_content(&$a) {
'label_members' => t('Members'),
'members' => array(),
'label_contacts' => t('All Contacts'),
'contacts' => arraY(),
'contacts' => array(),
);
$sec_token = addslashes(get_form_security_token('group_member_change'));
$textmode = (($switchtotext && (count($members) > $switchtotext)) ? true : false);
foreach($members as $member) {
if($member['url']) {
$member['click'] = 'groupChangeMember(' . $group['id'] . ',' . $member['id'] . '); return true;';
$member['click'] = 'groupChangeMember(' . $group['id'] . ',' . $member['id'] . ',\'' . $sec_token . '\'); return true;';
$groupeditor['members'][] = micropro($member,true,'mpgroup', $textmode);
}
else
@ -199,7 +211,7 @@ function group_content(&$a) {
$textmode = (($switchtotext && (count($r) > $switchtotext)) ? true : false);
foreach($r as $member) {
if(! in_array($member['id'],$preselected)) {
$member['click'] = 'groupChangeMember(' . $group['id'] . ',' . $member['id'] . '); return true;';
$member['click'] = 'groupChangeMember(' . $group['id'] . ',' . $member['id'] . ',\'' . $sec_token . '\'); return true;';
$groupeditor['contacts'][] = micropro($member,true,'mpall', $textmode);
}
}

2
view/group_drop.tpl
View file

@ -1,5 +1,5 @@
<div class="group-delete-wrapper button" id="group-delete-wrapper-$id" >
<a href="group/drop/$id"
<a href="group/drop/$id?t=$form_security_token"
onclick="return confirmDelete();"
id="group-delete-icon-$id"
class="icon drophide group-delete-icon"

1
view/group_edit.tpl
View file

@ -3,6 +3,7 @@
<div id="group-edit-wrapper" >
<form action="group/$gid" id="group-edit-form" method="post" >
<input type='hidden' name='form_security_token' value='$form_security_token'>
{{ inc field_input.tpl with $field=$gname }}{{ endinc }}
{{ if $drop }}$drop{{ endif }}