<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Displays form for password change
 *
 * @package PhpMyAdmin
 */
if (! defined('PHPMYADMIN')) {
    exit;
}

/**
  * Get HTML for the Change password dialog
  *
  * @param string $mode     where is the function being called?
  *                         values : 'change_pw' or 'edit_other'
  * @param string $username username
  * @param string $hostname hostname
  *
  * @return string html snippet
  */
function PMA_getHtmlForChangePassword($mode, $username, $hostname)
{
    /**
     * autocomplete feature of IE kills the "onchange" event handler and it
     * must be replaced by the "onpropertychange" one in this case
     */
    $chg_evt_handler = (PMA_USR_BROWSER_AGENT == 'IE'
        && PMA_USR_BROWSER_VER >= 5
        && PMA_USR_BROWSER_VER < 7)
                 ? 'onpropertychange'
                 : 'onchange';

    $is_privileges = basename($_SERVER['SCRIPT_NAME']) === 'server_privileges.php';

    $html = '<form method="post" id="change_password_form" '
        . 'action="' . basename($GLOBALS['PMA_PHP_SELF']) . '" '
        . 'name="chgPassword" '
        . 'class="' . ($is_privileges ? 'submenu-item' : '') . '">';

    $html .= PMA_URL_getHiddenInputs();

    if (strpos($GLOBALS['PMA_PHP_SELF'], 'server_privileges') !== false) {
        $html .= '<input type="hidden" name="username" '
            . 'value="' . htmlspecialchars($username) . '" />'
            . '<input type="hidden" name="hostname" '
            . 'value="' . htmlspecialchars($hostname) . '" />';
    }
    $html .= '<fieldset id="fieldset_change_password">'
        . '<legend'
        . ($is_privileges
            ? ' data-submenu-label="' . __('Change password') . '"'
            : ''
        )
        . '>' . __('Change password') . '</legend>'
        . '<table class="data noclick">'
        . '<tr class="odd">'
        . '<td colspan="2">'
        . '<input type="radio" name="nopass" value="1" id="nopass_1" '
        . 'onclick="pma_pw.value = \'\'; pma_pw2.value = \'\'; '
        . 'this.checked = true" />'
        . '<label for="nopass_1">' . __('No Password') . '</label>'
        . '</td>'
        . '</tr>'
        . '<tr class="even vmiddle">'
        . '<td>'
        . '<input type="radio" name="nopass" value="0" id="nopass_0" '
        . 'onclick="document.getElementById(\'text_pma_pw\').focus();" '
        . 'checked="checked" />'
        . '<label for="nopass_0">' . __('Password:') . '&nbsp;</label>'
        . '</td>'
        . '<td>'
        . '<input type="password" name="pma_pw" id="text_pma_pw" size="10" '
        . 'class="textfield"'
        . $chg_evt_handler . '="nopass[1].checked = true" />'
        . '&nbsp;&nbsp;' . __('Re-type:') . '&nbsp;'
        . '<input type="password" name="pma_pw2" id="text_pma_pw2" size="10" '
        . 'class="textfield"'
        . $chg_evt_handler . '="nopass[1].checked = true" />'
        . '</td>'
        . '</tr>';

    $serverType = PMA_Util::getServerType();
    $orig_auth_plugin = PMA_getCurrentAuthenticationPlugin(
        'change',
        $username,
        $hostname
    );
    $is_superuser = $GLOBALS['dbi']->isSuperuser();

    if (($serverType == 'MySQL'
        && PMA_MYSQL_INT_VERSION >= 50507)
        || ($serverType == 'MariaDB'
        && PMA_MYSQL_INT_VERSION >= 50200)
    ) {
        // Provide this option only for 5.7.6+
        // OR for privileged users in 5.5.7+
        if (($serverType == 'MySQL'
            && PMA_MYSQL_INT_VERSION >= 50706)
            || ($is_superuser && $mode == 'edit_other')
        ) {
            $auth_plugin_dropdown = PMA_getHtmlForAuthPluginsDropdown(
                $username, $hostname, $orig_auth_plugin, 'change_pw', 'new'
            );

            $html .= '<tr class="vmiddle">'
                . '<td>' . __('Password Hashing:') . '</td><td>';
            $html .= $auth_plugin_dropdown;
            $html .= '</td></tr>'
                . '<tr id="tr_element_before_generate_password"></tr>'
                . '</table>';

            $html .= '<div '
                . ($orig_auth_plugin != 'sha256_password' ? 'style="display:none"' : '')
                . ' id="ssl_reqd_warning_cp">'
                . PMA_Message::notice(
                    __(
                        'This method requires using an \'<i>SSL connection</i>\' '
                        . 'or an \'<i>unencrypted connection that encrypts the password '
                        . 'using RSA</i>\'; while connecting to the server.'
                    )
                    . PMA_Util::showMySQLDocu('sha256-authentication-plugin')
                )
                    ->getDisplay()
                . '</div>';
        } else {
            $html .= '<tr id="tr_element_before_generate_password"></tr>'
                . '</table>';
        }
    } else {
        $auth_plugin_dropdown = PMA_getHtmlForAuthPluginsDropdown(
            $username, $hostname, $orig_auth_plugin, 'change_pw', 'old'
        );

        $html .= '<tr class="vmiddle">'
            . '<td>' . __('Password Hashing:') . '</td><td>';
        $html .= $auth_plugin_dropdown . '</td></tr>'
            . '<tr id="tr_element_before_generate_password"></tr>'
            . '</table>';
    }

    $html .= '</fieldset>'
        . '<fieldset id="fieldset_change_password_footer" class="tblFooters">'
        . '<input type="hidden" name="change_pw" value="1" />'
        . '<input type="submit" value="' . __('Go') . '" />'
        . '</fieldset>'
        . '</form>';
    return $html;
}