WIP of SMIME support:

- Implement smime ecryption in compose
- Implement passphrase dialog

api/templates/default/password.xet

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE overlay PUBLIC "-//EGroupware GmbH//eTemplate 2//EN" "http://www.egroupware.org/etemplate2.dtd">
+<!-- $Id$ -->
+<overlay>
+	<template id="etemplate.password" template="" lang="" group="0" version="16.1">
+		<vbox  width="250px" class="ui-dialog-content">
+			<label class="et2_fullWidth" id="message"/>
+			<hbox>
+				<image src="password" class="dialog_icon"/>
+				<hbox>
+					<passwd id="value" width="80%" blur="enter your passphrase"/>
+				</hbox>
+			</hbox>
+		</vbox>
+	</template>
+</overlay>

mail/inc/class.mail_compose.inc.php

@@ -212,13 +212,21 @@ class mail_compose
 				'onExecute' => 'javaScript:app.mail.compose_saveDraft2fm',
 				'hint' => 'Save the drafted message as eml file into VFS'
 			),
-			'sign' => array (
+			'smime_sign' => array (
 				'caption' => 'Sign',
 				'icon' => 'smimeSignature',
 				'group' => ++$group,
 				'onExecute' => 'javaScript:app.mail.compose_setToggle',
 				'checkbox' => true,
 				'hint' => 'Sign your message with smime certificate'
+			),
+			'smime_encrypt' => array (
+				'caption' => 'SMIME',
+				'icon' => 'smimeEncryption',
+				'group' => ++$group,
+				'onExecute' => 'javaScript:app.mail.compose_setToggle',
+				'checkbox' => true,
+				'hint' => 'Encrypt your message with smime certificate'
 			)
 		);
 		foreach (self::$priorities as $key => $priority)
@@ -2346,13 +2354,14 @@ class mail_compose
 		*/
 		if ($_formData['attachments'] && $_formData['filemode'] != Vfs\Sharing::ATTACH && !$_autosaving)
 		{
-			$attachment_links = $this->getAttachmentLinks($_formData['attachments'], $_formData['filemode'],
+			$attachment_links = $this->_getAttachmentLinks($_formData['attachments'], $_formData['filemode'],
 				$_formData['mimeType'] == 'html',
 				array_unique(array_merge((array)$_formData['to'], (array)$_formData['cc'], (array)$_formData['bcc'])),
 				$_formData['expiration'], $_formData['password']);
 		}
-		if($_formData['mimeType'] == 'html')
+		switch ($_formData['mimeType'])
 		{
+			case 'html':
 				$body = $_formData['body'];
 				if ($attachment_links)
 				{
@@ -2384,13 +2393,11 @@ class mail_compose
 					$body = str_replace(array('<!-- HTMLSIGBEGIN -->','<!-- HTMLSIGEND -->'),'',$body);
 				}
 				$_mailObject->setHtmlBody($body, null, false);	// false = no automatic alternative, we called setBody()
-		}
+				break;
-		elseif ($_formData['mimeType'] == 'openpgp')
+			case 'openpgp':
-		{
 				$_mailObject->setOpenPgpBody($_formData['body']);
-		}
+				break;
-		else
+			default:
-		{
 				$body = $this->convertHTMLToText($_formData['body'],false);
 
 				if ($attachment_links) $body .= $attachment_links;
@@ -2499,7 +2506,7 @@ class mail_compose
 	 * @param string $password =null
 	 * @return string might be empty if no file attachments found
 	 */
-	protected function getAttachmentLinks(array $attachments, $filemode, $html, $recipients=array(), $expiration=null, $password=null)
+	protected function _getAttachmentLinks(array $attachments, $filemode, $html, $recipients=array(), $expiration=null, $password=null)
 	{
 		if ($filemode == Vfs\Sharing::ATTACH) return '';
 
@@ -2783,6 +2790,8 @@ class mail_compose
 		$this->sessionData['to_infolog'] = $_formData['to_infolog'];
 		$this->sessionData['to_tracker'] = $_formData['to_tracker'];
 		$this->sessionData['attachments']  = $_formData['attachments'];
+		$this->sessionData['smime_sign']  = $_formData['smime_sign'];
+		$this->sessionData['smime_encrypt']  = $_formData['smime_encrypt'];
 
 		if (isset($_formData['lastDrafted']) && !empty($_formData['lastDrafted']))
 		{
@@ -2966,6 +2975,43 @@ class mail_compose
 			#error_log($this->errorInfo);
 			return false;
 		}
+		// SMIME SIGN/ENCRYPTION
+		if ($_formData['smime_sign'] == 'on' || $_formData['smime_encrypt'] == 'on' )
+		{
+			try	{
+				if ($_formData['smime_sign'] == 'on')
+				{
+					$smime_part = $this->_encrypt(
+						'',//TODO
+						$_formData['smime_encrypt'] == 'on'? Mail\Smime::TYPE_SIGN_ENCRYPT: Mail\Smime::TYPE_SIGN,
+						$_formData['to'],
+						$identity['ident_email'],
+						$_formData['smime_passphrase']
+					);
+					if ($smime_part['smime_pass_require'])
+					{
+						$response = Api\Json\Response::get();
+						$response->call('app.mail.smimePassDialog');
+						return false;
+					}
+				}
+				elseif ($_formData['smime_sign'] == 'off' && $_formData['smime_encrypt'] == 'on')
+				{
+					$smime_part = $this->_encrypt(
+						'',//TODO
+						Mail\Smime::TYPE_ENCRYPT,
+						$_formData['to'],
+						$identity['ident_email']
+					);
+				}
+
+				//TODO Set signed or encrypted mime part
+			}
+			catch (Exception $ex)
+			{
+				throw new Api\Exception\WrongUserinput($ex->getMessage());
+			}
+		}
 
 		// set a higher timeout for big messages
 		@set_time_limit(120);
@@ -3581,30 +3627,35 @@ class mail_compose
 	 * @return Horde_Mime_Part returns encrypted message
 	 * @throws Api\Exception\WrongUserinput if no certificate found
 	 */
-	function _encrypt(Horde_Mime_part $message, $type, $recipients, $sender)
+	protected function _encrypt(Horde_Mime_part $message, $type, $recipients, $sender, $passphrase='')
 	{
 		$AB = new addressbook_bo();
-
+		$smime = new Mail\Smime();
 
 		if (isset($sender) && ($type == Mail\Smime::TYPE_SIGN || $type == Mail\Smime::TYPE_SIGN_ENCRYPT))
 		{
 			$sender_cert = $AB->get_smime_keys($sender);
-			$smime = new Mail\Smime();
 
 			if ($sender_cert)
 			{
-				$senderPubKey = $smime->get_publickey($sender_cert[$sender]);
+				$senderPubKey = $sender_cert[$sender];
 			}
 			else
 			{
 				throw new Api\Exception\WrongUserinput('no certificate found to sign the messase');
 			}
+			$credents = Mail\Credentials::read($this->mail_bo->profileID, Mail\Credentials::SMIME, $GLOBALS['egw_info']['user']['account_id']);
+			$privkey = $credents['acc_smime_password'];
+
+			if (!$smime->verifyPassphrase($privkey, $passphrase))
+			{
+				return array('smime_pass_require' => true);
+			}
 		}
 
 		if (isset($recipients) && ($type == Mail\Smime::TYPE_ENCRYPT || $type == Mail\Smime::TYPE_SIGN_ENCRYPT))
 		{
 			$recipients_certs = $AB->get_smime_keys($recipients);
-			$recipientsPubKeys = array_Map(array ($smime, 'get_publickey'), $recipients_certs);
 			if (!$recipients_certs) throw new Api\Exception\WrongUserinput('no certificate found from the recipients to sign/encrypt the messase');
 		}
 
@@ -3612,15 +3663,15 @@ class mail_compose
 		$sign_params =  array(
 			'type'		=> 'signature',
 			'pubkey'	=> $senderPubKey,
-			'prikey'	=> '',
+			'privkey'	=> $privkey,
-			'passphrase'=> '',
+			'passphrase'=> $passphrase,
 			'sigtype'	=> 'detach',
 			'certs'		=> ''
 		);
 		// parameters to pass on for encrypt mime part
 		$encrypt_params = array(
 			'type'		=> 'message',
-			'pubkey'	=> $recipientsPubKeys
+			'pubkey'	=> $recipients_certs
 		);
 		switch ($type)
 		{

mail/js/app.js

@@ -5528,5 +5528,33 @@ app.classes.mail = AppJS.extend(
 			url = this.et2.getArrayMgr("content").getEntry('smimeSigUrl');
 		}
 		window.egw.openPopup(url,'700','400');
+	},
+
+	/**
+	 * smime password dialog
+	 */
+	smimePassDialog: function ()
+	{
+		var self = this;
+		et2_createWidget("dialog",
+		{
+			callback: function(_button_id, _value)
+			{
+				if (_button_id && _value)
+				{
+					var pass = self.et2.getWidgetById('smime_passphrase');
+					pass.set_value(_value.value);
+				}
+			},
+			title: egw.lang('Request for passphrase'),
+			buttons: et2_dialog.BUTTONS_OK_CANCEL,
+			value:{
+				content:{
+					value: '',
+					message: self.egw.lang('Looks like your certificate is password protected. Please enter your passphrase and try to send again.')
+			}},
+			template: egw.webserverUrl+'/api/templates/default/password.xet',
+			resizable: false
+		}, et2_dialog._create_parent('mail'));
 	}
 });

mail/templates/default/compose.xet

@@ -12,6 +12,9 @@
 				<checkbox statustext="check to save as trackerentry on send" id="to_tracker" options="on,off"/>
 				<checkbox statustext="check to save as calendar event on send" id="to_calendar" options="on,off"/>
 				<checkbox statustext="check to recieve a notification when the message is read (note: not all clients support this and/or the reciever may not authorize the notification)" id="disposition" options="on,off"/>
+				<checkbox statustext="check to sign the message on send" id="smime_sign" options="on,off"/>
+				<checkbox statustext="check to encrypt the message on send" id="smime_encrypt" options="on,off"/>
+				<passwd id="smime_passphrase"/>
 				<taglist id="to_integrate_ids"/>
 				<menulist>
 					<menupopup id="priority"/>