<?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'] = null; }