friendica-addons/securemail/securemail.php
2014-12-29 18:10:32 +01:00

93 lines
3.8 KiB
PHP

<?php
/**
* Name: Secure Mail
* Description: Send notification mail encrypted with user-defined public GPG key
* Version: 1.0
* Author: Fabio Comuni <http://kirgroup.com/profile/fabrixxm>
*/
require_once 'php-gpg/libs/GPG.php';
function securemail_install() {
register_hook('plugin_settings', 'addon/securemail/securemail.php', 'securemail_settings');
register_hook('plugin_settings_post', 'addon/securemail/securemail.php', 'securemail_settings_post');
register_hook('emailer_send_prepare', 'addon/securemail/securemail.php', 'securemail_emailer_send_prepare');
logger("installed securemail");
}
function securemail_uninstall() {
unregister_hook('plugin_settings', 'addon/securemail/securemail.php', 'securemail_settings');
unregister_hook('plugin_settings_post', 'addon/securemail/securemail.php', 'securemail_settings_post');
unregister_hook('emailer_send_prepare', 'addon/securemail/securemail.php', 'securemail_emailer_send_prepare');
logger("removed securemail");
}
function securemail_settings(&$a,&$s){
if(! local_user())
return;
$enable_checked = (intval(get_pconfig(local_user(),'securemail','enable')) ? ' checked="checked"' : '');
$publickey = get_pconfig(local_user(),'securemail','pkey');
# all of this should be in a template...
$s .= '<span id="settings_securemail_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_securemail_expanded\'); openClose(\'settings_securemail_inflated\');">';
$s .= '<h3>' . t('"Secure Mail" Settings').'</h3>';
$s .= '</span>';
$s .= '<div id="settings_securemail_expanded" class="settings-block" style="display: none;">';
$s .= '<span class="fakelink" onclick="openClose(\'settings_securemail_expanded\'); openClose(\'settings_securemail_inflated\');">';
$s .= '<h3>' . t('"Secure Mail" Settings').'</h3>';
$s .= '</span>';
$s .= '<div id="securemail-wrapper">';
$s .= '<input id="securemail-enable" type="checkbox" name="securemail-enable" value="1"'.$enable_checked.' />';
$s .= '<label id="securemail-enable-label" for="securemail-enable">'.t('Enable Secure Mail').'</label>';
$s .= '<div class="clear"></div>';
$s .= '<label id="securemail-label" for="securemail-pkey">'.t('Public key').' </label>';
$s .= '<textarea id="securemail-pkey" name="securemail-pkey">'.$publickey.'</textarea>';
$s .= '</div><div class="clear"></div>';
$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="securemail-submit" name="securemail-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
$s .= '</div>';
return;
}
function securemail_settings_post(&$a, &$b){
if(! local_user())
return;
if($_POST['securemail-submit']) {
set_pconfig(local_user(),'securemail','pkey',trim($_POST['securemail-pkey']));
$enable = ((x($_POST,'securemail-enable')) ? 1 : 0);
set_pconfig(local_user(),'securemail','enable', $enable);
info( t('Secure Mail Settings saved.') . EOL);
}
}
function securemail_emailer_send_prepare(&$a, &$b) {
if (!x($b,'uid')) return;
$uid = $b['uid'];
$enable_checked = get_pconfig($uid,'securemail','enable');
if (!$enable_checked) return;
$public_key_ascii = get_pconfig($uid,'securemail','pkey');
$gpg = new GPG();
# create an instance of a GPG public key object based on ASCII key
$pub_key = new GPG_Public_Key($public_key_ascii);
# using the key, encrypt your plain text using the public key
$txt_encrypted = $gpg->encrypt($pub_key,$b['textVersion']);
$html_encrypted = $gpg->encrypt($pub_key,$b['htmlVersion']);
$b['textVersion'] = $txt_encrypted;
$b['htmlVersion'] = $html_encrypted;
#var_dump($b);
}