X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=securemail%2Fsecuremail.php;h=fb801a4ce84bc8f03e88aab4d7fe438908631f12;hb=2dbcc42384b85e5253b939f528236f41909b1596;hp=306d12b43d2908278f6bf99237279ab40eab98c3;hpb=1ef533e5553748f83ae4ffe70c19d031c46ae314;p=friendica-addons.git diff --git a/securemail/securemail.php b/securemail/securemail.php index 306d12b4..fb801a4c 100644 --- a/securemail/securemail.php +++ b/securemail/securemail.php @@ -1,93 +1,147 @@ - - */ - 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 .= ''; - $s .= '

' . t('"Secure Mail" Settings').'

'; - $s .= ''; - $s .= ''; - - return; -} -function securemail_settings_post(&$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); -} + + */ + +use Friendica\Addon\securemail\SecureTestEmail; +use Friendica\App; +use Friendica\Core\Hook; +use Friendica\Core\Logger; +use Friendica\Core\Renderer; +use Friendica\DI; +use Friendica\Object\EMail\IEmail; + +require_once __DIR__ . '/vendor/autoload.php'; + +function securemail_install() +{ + Hook::register('addon_settings', 'addon/securemail/securemail.php', 'securemail_settings'); + Hook::register('addon_settings_post', 'addon/securemail/securemail.php', 'securemail_settings_post'); + + Hook::register('emailer_send_prepare', 'addon/securemail/securemail.php', 'securemail_emailer_send_prepare'); + + Logger::log('installed securemail'); +} + +/** + * @brief Build user settings form + * + * @link https://github.com/friendica/friendica/blob/develop/doc/Addons.md#addon_settings 'addon_settings' hook + * + * @param App $a App instance + * @param string $s output html + * + * @see App + */ +function securemail_settings(App &$a, &$s) +{ + if (!local_user()) { + return; + } + + $enable = intval(DI::pConfig()->get(local_user(), 'securemail', 'enable')); + $publickey = DI::pConfig()->get(local_user(), 'securemail', 'pkey'); + + $t = Renderer::getMarkupTemplate('admin.tpl', 'addon/securemail/'); + + $s .= Renderer::replaceMacros($t, [ + '$title' => DI::l10n()->t('"Secure Mail" Settings'), + '$submit' => DI::l10n()->t('Save Settings'), + '$test' => DI::l10n()->t('Save and send test'), //NOTE: update also in 'post' + '$enable' => ['securemail-enable', DI::l10n()->t('Enable Secure Mail'), $enable, ''], + '$publickey' => ['securemail-pkey', DI::l10n()->t('Public key'), $publickey, DI::l10n()->t('Your public PGP key, ascii armored format'), 'rows="10"'] + ]); +} + +/** + * @brief Handle data from user settings form + * + * @link https://github.com/friendica/friendica/blob/develop/doc/Addons.md#addon_settings_post 'addon_settings_post' hook + * + * @param App $a App instance + * @param array $b hook data + * + * @see App + */ +function securemail_settings_post(App &$a, array &$b) +{ + if (!local_user()) { + return; + } + + if ($_POST['securemail-submit']) { + DI::pConfig()->set(local_user(), 'securemail', 'pkey', trim($_POST['securemail-pkey'])); + $enable = (!empty($_POST['securemail-enable']) ? 1 : 0); + DI::pConfig()->set(local_user(), 'securemail', 'enable', $enable); + + if ($_POST['securemail-submit'] == DI::l10n()->t('Save and send test')) { + + $res = DI::emailer()->send(new SecureTestEmail(DI::app(), DI::config(), DI::pConfig(), DI::baseUrl())); + + // revert to saved value + DI::pConfig()->set(local_user(), 'securemail', 'enable', $enable); + + if ($res) { + info(DI::l10n()->t('Test email sent') . EOL); + } else { + notice(DI::l10n()->t('There was an error sending the test email') . EOL); + } + } + } +} + +/** + * @brief Encrypt notification emails text + * + * @link https://github.com/friendica/friendica/blob/develop/doc/Addons.md#emailer_send_prepare 'emailer_send_prepare' hook + * + * @param App $a App instance + * @param IEmail $email Email + * + * @see App + */ +function securemail_emailer_send_prepare(App &$a, IEmail &$email) +{ + if (empty($email->getRecipientUid())) { + return; + } + + $uid = $email->getRecipientUid(); + + $enable_checked = DI::pConfig()->get($uid, 'securemail', 'enable'); + if (!$enable_checked) { + DI::logger()->debug('No securemail enabled.'); + return; + } + + $public_key_ascii = DI::pConfig()->get($uid, 'securemail', 'pkey'); + + preg_match('/-----BEGIN ([A-Za-z ]+)-----/', $public_key_ascii, $matches); + $marker = empty($matches[1]) ? 'MESSAGE' : $matches[1]; + $public_key = OpenPGP::unarmor($public_key_ascii, $marker); + + $key = OpenPGP_Message::parse($public_key); + + $data = new OpenPGP_LiteralDataPacket($email->getMessage(true), [ + 'format' => 'u', + 'filename' => 'encrypted.gpg' + ]); + + try { + $encrypted = OpenPGP_Crypt_Symmetric::encrypt($key, new OpenPGP_Message([$data])); + $armored_encrypted = wordwrap( + OpenPGP::enarmor($encrypted->to_bytes(), 'PGP MESSAGE'), + 64, + "\n", + true + ); + + $email = $email->withMessage($armored_encrypted, null); + + } catch (Exception $e) { + DI::logger()->warning('Encryption failed.', ['email' => $email, 'exception' => $e]); + } +}