/**
* Display login form
*
* @param array params
*/
function display_login_form($params)
{
global $Settings, $Plugins, $Session, $Blog, $blog, $dummy_fields;
global $secure_htsrv_url, $admin_url, $baseurl, $ReqHost;
$params = array_merge(array('form_action' => '', 'form_name' => 'login_form', 'form_layout' => '', 'form_class' => 'bComment', 'source' => 'inskin login form', 'inskin' => true, 'login_required' => true, 'validate_required' => NULL, 'redirect_to' => '', 'login' => '', 'action' => '', 'reqID' => '', 'sessID' => '', 'transmit_hashed_password' => false), $params);
$inskin = $params['inskin'];
$login = $params['login'];
$redirect_to = $params['redirect_to'];
$links = array();
if (empty($params['login_required']) && $params['action'] != 'req_validatemail' && strpos($redirect_to, $admin_url) !== 0 && strpos($ReqHost . $redirect_to, $admin_url) !== 0) {
// No login required, allow to pass through
// TODO: dh> validate redirect_to param?!
// check if redirect_to url requires logged in user
if (require_login($redirect_to, true)) {
// logged in user require for redirect_to url
if (!empty($blog)) {
// blog is set
if (empty($Blog)) {
$BlogCache =& get_BlogCache();
$Blog = $BlogCache->get_by_ID($blog, false);
}
// set abort url to Blog url
$abort_url = $Blog->gen_blogurl();
} else {
// set abort login url to base url
$abort_url = $baseurl;
}
} else {
// logged in user isn't required for redirect_to url, set abort url to redirect_to
$abort_url = $redirect_to;
}
$links[] = '<a href="' . htmlspecialchars(url_rel_to_same_host($abort_url, $ReqHost)) . '">' . T_('Abort login!') . '</a>';
}
if (!$inskin && is_logged_in()) {
// if we arrive here, but are logged in, provide an option to logout (e.g. during the email validation procedure)
$links[] = get_user_logout_link();
}
if (count($links)) {
echo '<div style="float:right; margin: 0 1em">' . implode($links, ' · ') . '</div>
<div class="clear"></div>';
}
$Form = new Form($params['form_action'], $params['form_name'], 'post', $params['form_layout']);
$Form->begin_form($params['form_class']);
$Form->add_crumb('loginform');
$source = param('source', 'string', $params['source'] . ' login form');
$Form->hidden('source', $source);
$Form->hidden('redirect_to', $redirect_to);
if ($inskin) {
// inskin login form
$Form->hidden('inskin', true);
$separator = '<br />';
} else {
// standard login form
$Form->hidden('validate_required', $params['validate_required']);
if (isset($params['action'], $params['reqID'], $params['sessID']) && $params['action'] == 'validatemail') {
// the user clicked the link from the "validate your account" email, but has not been logged in; pass on the relevant data:
$Form->hidden('action', 'validatemail');
$Form->hidden('reqID', $params['reqID']);
$Form->hidden('sessID', $params['sessID']);
}
$separator = '';
}
// check if should transmit hashed password
if ($params['transmit_hashed_password']) {
// used by JS-password encryption/hashing:
$pwd_salt = $Session->get('core.pwd_salt');
if (empty($pwd_salt)) {
// Do not regenerate if already set because we want to reuse the previous salt on login screen reloads
// fp> Question: the comment implies that the salt is reset even on failed login attemps. Why that? I would only have reset it on successful login. Do experts recommend it this way?
// but if you kill the session you get a new salt anyway, so it's no big deal.
// At that point, why not reset the salt at every reload? (it may be good to keep it, but I think the reason should be documented here)
$pwd_salt = generate_random_key(64);
$Session->set('core.pwd_salt', $pwd_salt, 86400);
$Session->dbsave();
// save now, in case there's an error later, and not saving it would prevent the user from logging in.
}
$Form->hidden('pwd_salt', $pwd_salt);
$Form->hidden('pwd_hashed', '');
// gets filled by JS
}
$Form->begin_field();
$Form->text_input($dummy_fields['login'], $params['login'], 18, T_('Login'), $separator . T_('Enter your username (or email address).'), array('maxlength' => 255, 'class' => 'input_text', 'required' => true));
$Form->end_field();
if ($inskin) {
$lost_password_url = regenerate_url('disp', 'disp=lostpassword');
} else {
$lost_password_url = $secure_htsrv_url . 'login.php?action=lostpassword&redirect_to=' . rawurlencode(url_rel_to_same_host($redirect_to, $secure_htsrv_url));
}
if (!empty($login)) {
$lost_password_url .= '&' . $dummy_fields['login'] . '=' . rawurlencode($login);
}
$pwd_note = $pwd_note = '<a href="' . $lost_password_url . '">' . T_('Lost password ?') . '</a>';
$Form->begin_field();
$Form->password_input($dummy_fields['pwd'], '', 18, T_('Password'), array('note' => $pwd_note, 'maxlength' => 70, 'class' => 'input_text', 'required' => true));
$Form->end_field();
// Allow a plugin to add fields/payload
$Plugins->trigger_event('DisplayLoginFormFieldset', array('Form' => &$Form));
// Submit button(s):
$submit_buttons = array(array('name' => 'login_action[login]', 'value' => T_('Log in!'), 'class' => 'search', 'style' => 'font-size: 120%'));
if (!$inskin && strpos($redirect_to, $admin_url) !== 0 && strpos($ReqHost . $redirect_to, $admin_url) !== 0 && !is_admin_page()) {
// provide button to log straight into backoffice, if we would not go there anyway
$submit_buttons[] = array('name' => 'login_action[redirect_to_backoffice]', 'value' => T_('Log into backoffice!'), 'class' => 'search');
}
$Form->buttons_input($submit_buttons);
if ($inskin) {
$before_register_link = '<strong>';
$after_register_link = '</strong>';
$register_link_style = 'text-align:right; margin: 1em 0 1ex';
} else {
echo '<div class="center notes" style="margin: 1em 0">' . T_('You will have to accept cookies in order to log in.') . '</div>';
// Passthrough REQUEST data (when login is required after having POSTed something)
// (Exclusion of 'login_action', 'login', and 'action' has been removed. This should get handled via detection in Form (included_input_field_names),
// and "action" is protected via crumbs)
$Form->hiddens_by_key(remove_magic_quotes($_REQUEST));
$before_register_link = '';
$after_register_link = '';
$register_link_style = 'text-align:right';
}
echo '<div class="login_actions" style="' . $register_link_style . '">';
echo get_user_register_link($before_register_link, $after_register_link, T_('No account yet? Register here') . ' »', '#', true, $redirect_to, $source);
echo '</div>';
$Form->end_form();
echo '<script type="text/javascript">';
// Autoselect login text input or pwd input, if there\'s a login already:
echo 'var login = document.getElementById("' . $dummy_fields['login'] . '");
if( login.value.length > 0 )
{ // Focus on the password field:
document.getElementById("' . $dummy_fields['pwd'] . '").focus();
}
else
{ // Focus on the login field:
login.focus();
}';
if ($params['transmit_hashed_password']) {
// Hash the password onsubmit and clear the original pwd field
// TODO: dh> it would be nice to disable the clicked/used submit button. That's how it has been when the submit was attached to the submit button(s)
echo 'addEvent( document.getElementById("login_form"), "submit", function(){' . 'var form = document.getElementById("login_form");' . 'if( form.pwd_hashed && form.' . $dummy_fields['pwd'] . ' && form.pwd_salt && typeof hex_sha1 != "undefined" && typeof hex_md5 != "undefined" )
{' . 'form.pwd_hashed.value = hex_sha1( hex_md5(form.' . $dummy_fields['pwd'] . '.value) + form.pwd_salt.value );
form.' . $dummy_fields['pwd'] . '.value = "padding_padding_padding_padding_padding_padding_hashed_' . $Session->ID . '";' . '}
return true;
}, false );';
}
echo '</script>';
}
/**
* Display the widget!
*
* @param array MUST contain at least the basic display params
*/
function display($params)
{
if (!is_logged_in()) {
// Only logged in users can see this tools panel
return false;
}
$this->init_display($params);
// just in case it hasn't been done before
$this->disp_params['item_start'] .= '<strong>';
$this->disp_params['item_end'] = '</strong>' . $this->disp_params['item_end'];
$tools_links = '';
if ($this->get_param('user_postnew_link_show')) {
// Write new post - disp=edit
$tools_links .= get_item_new_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_postnew_link']);
}
if ($this->get_param('user_messaging_link_show')) {
// Messaging - disp=threads
$tools_links .= get_user_messaging_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_messaging_link'], $this->disp_params['user_messaging_link'], $this->disp_params['show_badge']);
}
if ($this->get_param('user_contacts_link_show')) {
// Contacts - disp=contacts
$tools_links .= get_user_contacts_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_contacts_link'], $this->disp_params['user_contacts_link']);
}
if ($this->get_param('user_view_link_show')) {
// See profile - disp=user
$tools_links .= get_user_tab_link('user', $this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_view_link'], $this->disp_params['user_view_link']);
}
if ($this->get_param('user_profile_link_show')) {
// Edit profile - disp=profile
$tools_links .= get_user_profile_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_profile_link'], $this->disp_params['user_profile_link']);
}
if ($this->get_param('user_picture_link_show')) {
// Edit picture - disp=avatar
$tools_links .= get_user_tab_link('avatar', $this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_picture_link'], $this->disp_params['user_picture_link']);
}
if ($this->get_param('user_password_link_show')) {
// Edit password - disp=pwdchange
$tools_links .= get_user_tab_link('pwdchange', $this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_password_link'], $this->disp_params['user_password_link']);
}
if ($this->get_param('user_preferences_link_show')) {
// Edit preferences - disp=userprefs
$tools_links .= get_user_tab_link('userprefs', $this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_preferences_link'], $this->disp_params['user_preferences_link']);
}
if ($this->get_param('user_subs_link_show')) {
// Edit notifications - disp=subs
$tools_links .= get_user_subs_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_subs_link'], $this->disp_params['user_subs_link']);
}
if ($this->get_param('user_admin_link_show')) {
// Admin
$tools_links .= get_user_admin_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_admin_link']);
}
if ($this->get_param('user_logout_link_show')) {
// Logout
$tools_links .= get_user_logout_link($this->disp_params['item_start'], $this->disp_params['item_end'], $this->disp_params['user_logout_link']);
}
if (empty($tools_links)) {
// No available links to display
return false;
}
// User tools:
echo $this->disp_params['block_start'];
if (!empty($this->disp_params['title'])) {
// Display title
echo $this->disp_params['block_title_start'];
echo $this->disp_params['title'];
echo $this->disp_params['block_title_end'];
}
echo $this->disp_params['list_start'];
echo $tools_links;
if (isset($this->BlockCache)) {
// Do NOT cache because some of these links are using a redirect_to param, which makes it page dependent.
// Note: also beware of the source param.
// so this will be cached by the PageCache; there is no added benefit to cache it in the BlockCache
// (which could have been shared between several pages):
$this->BlockCache->abort_collect();
}
echo $this->disp_params['list_end'];
echo $this->disp_params['block_end'];
}
return true;
}, false );
<?php
}
?>
</script>
<div class="login_actions" style="text-align:right">
<?php
$links = array();
if ($link = get_user_register_link('', '', '', '#', true, $redirect_to)) {
$links[] = $link;
}
if (empty($login_required) && $action != 'req_validatemail' && strpos($redirect_to, $admin_url) !== 0 && strpos($ReqHost . $redirect_to, $admin_url) !== 0) {
// No login required, allow to pass through
// TODO: dh> validate redirect_to param?!
$links[] = '<a href="' . htmlspecialchars(url_rel_to_same_host($redirect_to, $ReqHost)) . '">' . T_('Abort login!') . '</a>';
}
if (is_logged_in()) {
// if we arrive here, but are logged in, provide an option to logout (e.g. during the email
// validation procedure)
$links[] = get_user_logout_link();
}
echo implode(' · ', $links);
?>
</div>
<?php
require dirname(__FILE__) . '/_html_footer.inc.php';
/**
* Template tag: Output a link to logout
*/
function user_logout_link($before = '', $after = '', $link_text = '', $link_title = '#', $params = array())
{
echo get_user_logout_link($before, $after, $link_text, $link_title, $params);
}
/**
* Display login form
*
* @param array params
*/
function display_login_form($params)
{
global $Settings, $Plugins, $Session, $Blog, $blog, $dummy_fields;
global $secure_htsrv_url, $admin_url, $baseurl, $ReqHost, $redirect_to;
$params = array_merge(array('form_before' => '', 'form_after' => '', 'form_action' => '', 'form_name' => 'login_form', 'form_title' => '', 'form_layout' => '', 'form_class' => 'bComment', 'source' => 'inskin login form', 'inskin' => true, 'inskin_urls' => true, 'login_required' => true, 'validate_required' => NULL, 'redirect_to' => '', 'return_to' => '', 'login' => '', 'action' => '', 'reqID' => '', 'sessID' => '', 'transmit_hashed_password' => false, 'display_abort_link' => true, 'abort_link_position' => 'above_form', 'abort_link_text' => T_('Abort login!'), 'display_reg_link' => false), $params);
$inskin = $params['inskin'];
$login = $params['login'];
$redirect_to = $params['redirect_to'];
$return_to = $params['return_to'];
$links = array();
$form_links = array();
if ($params['display_abort_link'] && empty($params['login_required']) && $params['action'] != 'req_validatemail' && strpos($return_to, $admin_url) !== 0 && strpos($ReqHost . $return_to, $admin_url) !== 0) {
// No login required, allow to pass through
// TODO: dh> validate return_to param?!
// check if return_to url requires logged in user
if (empty($return_to) || require_login($return_to, true)) {
// logged in user require for return_to url
if (!empty($blog)) {
// blog is set
if (empty($Blog)) {
$BlogCache =& get_BlogCache();
$Blog = $BlogCache->get_by_ID($blog, false);
}
// set abort url to Blog url
$abort_url = $Blog->gen_blogurl();
} else {
// set abort login url to base url
$abort_url = $baseurl;
}
} else {
// logged in user isn't required for return_to url, set abort url to return_to
$abort_url = $return_to;
}
// Gets displayed as link to the location on the login form if no login is required
$abort_link = '<a href="' . htmlspecialchars(url_rel_to_same_host($abort_url, $ReqHost)) . '">' . $params['abort_link_text'] . '</a>';
if ($params['abort_link_position'] == 'above_form') {
// Display an abort link under login form
$links[] = $abort_link;
} elseif ($params['abort_link_position'] == 'form_title') {
// Display an abort link in form title block
$form_links[] = $abort_link;
}
}
if (!$inskin && is_logged_in()) {
// if we arrive here, but are logged in, provide an option to logout (e.g. during the email validation procedure)
$links[] = get_user_logout_link();
}
if (count($links)) {
echo '<div class="evo_form__login_links">' . '<div class="floatright">' . implode($links, ' · ') . '</div>' . '<div class="clear"></div>' . '</div>';
}
$form_links = count($form_links) ? '<span class="pull-right">' . implode(' ', $form_links) . '</span>' : '';
echo str_replace('$form_links$', $form_links, $params['form_before']);
$Form = new Form($params['form_action'], $params['form_name'], 'post', $params['form_layout']);
$Form->begin_form($params['form_class']);
$Form->add_crumb('loginform');
$source = param('source', 'string', $params['source'] . ' login form');
$Form->hidden('source', $source);
$Form->hidden('redirect_to', $redirect_to);
$Form->hidden('return_to', $return_to);
if ($inskin || $params['inskin_urls']) {
// inskin login form
$Form->hidden('inskin', true);
$separator = '<br />';
} else {
// standard login form
if (!empty($params['form_title'])) {
echo '<h4>' . $params['form_title'] . '</h4>';
}
$Form->hidden('validate_required', $params['validate_required']);
if (isset($params['action'], $params['reqID'], $params['sessID']) && $params['action'] == 'validatemail') {
// the user clicked the link from the "validate your account" email, but has not been logged in; pass on the relevant data:
$Form->hidden('action', 'validatemail');
$Form->hidden('reqID', $params['reqID']);
$Form->hidden('sessID', $params['sessID']);
}
$separator = '';
}
// check if should transmit hashed password
if ($params['transmit_hashed_password']) {
// used by JS-password encryption/hashing:
$pwd_salt = $Session->get('core.pwd_salt');
if (empty($pwd_salt)) {
// Do not regenerate if already set because we want to reuse the previous salt on login screen reloads
// fp> Question: the comment implies that the salt is reset even on failed login attemps. Why that? I would only have reset it on successful login. Do experts recommend it this way?
// but if you kill the session you get a new salt anyway, so it's no big deal.
// At that point, why not reset the salt at every reload? (it may be good to keep it, but I think the reason should be documented here)
$pwd_salt = generate_random_key(64);
$Session->set('core.pwd_salt', $pwd_salt, 86400);
$Session->dbsave();
// save now, in case there's an error later, and not saving it would prevent the user from logging in.
}
$Form->hidden('pwd_salt', $pwd_salt);
// Add container for the hashed password hidden inputs
echo '<div id="pwd_hashed_container"></div>';
// gets filled by JS
}
if ($inskin) {
$Form->begin_field();
$Form->text_input($dummy_fields['login'], $params['login'], 18, T_('Login'), $separator . T_('Enter your username (or email address).'), array('maxlength' => 255, 'class' => 'input_text', 'required' => true));
$Form->end_field();
} else {
$Form->text_input($dummy_fields['login'], $params['login'], 18, '', '', array('maxlength' => 255, 'class' => 'input_text', 'input_required' => 'required', 'placeholder' => T_('Username (or email address)')));
}
$lost_password_url = get_lostpassword_url($redirect_to, '&', $return_to);
if (!empty($login)) {
$lost_password_url = url_add_param($lost_password_url, $dummy_fields['login'] . '=' . rawurlencode($login));
}
$pwd_note = '<a href="' . $lost_password_url . '">' . T_('Lost your password?') . '</a>';
if ($inskin) {
$Form->begin_field();
$Form->password_input($dummy_fields['pwd'], '', 18, T_('Password'), array('note' => $pwd_note, 'maxlength' => 70, 'class' => 'input_text', 'required' => true));
$Form->end_field();
} else {
$Form->password_input($dummy_fields['pwd'], '', 18, '', array('placeholder' => T_('Password'), 'note' => $pwd_note, 'maxlength' => 70, 'class' => 'input_text', 'input_required' => 'required'));
}
// Allow a plugin to add fields/payload
$Plugins->trigger_event('DisplayLoginFormFieldset', array('Form' => &$Form));
// Display registration link after login button
$register_link = $params['display_reg_link'] ? get_user_register_link('', '', T_('Register') . ' »', '#', true, $redirect_to, $source, 'btn btn-primary btn-lg pull-right') : '';
// Submit button(s):
$submit_buttons = array(array('name' => 'login_action[login]', 'value' => T_('Log in!'), 'class' => 'btn-success btn-lg', 'input_suffix' => $register_link));
$Form->buttons_input($submit_buttons);
if ($inskin) {
$before_register_link = '<div class="login_actions" style="text-align:right; margin: 1em 0 1ex"><strong>';
$after_register_link = '</strong></div>';
user_register_link($before_register_link, $after_register_link, T_('No account yet? Register here') . ' »', '#', true, $redirect_to, $source);
} else {
// Passthrough REQUEST data (when login is required after having POSTed something)
// (Exclusion of 'login_action', 'login', and 'action' has been removed. This should get handled via detection in Form (included_input_field_names),
// and "action" is protected via crumbs)
$Form->hiddens_by_key(remove_magic_quotes($_REQUEST), array('pwd_hashed'));
}
$Form->end_form();
echo $params['form_after'];
display_login_js_handler($params);
}
