Mail: Add attachment action to open in Collabora

mail/inc/class.mail_hooks.inc.php

@@ -799,10 +799,16 @@ class mail_hooks
 				'icon'  => 'fileexport',
 				'value' => 'downloadOneAsFile'
 			],
+			'collabora'         => [
+				'id'    => 'collabora',
+				'label' => 'Open with Collabora',
+				'icon'  => 'open',
+				'value' => 'collabora'
+			],
 			'saveOneToVfs'      => [
 				'id'    => 'saveOneToVfs',
 				'label' => 'Save in Filemanager',
-				'icon' => 'filemanager/navbar.svg',
+				'icon'  => 'filemanager/navbar',
 				'value' => 'saveOneToVfs'
 			],
 			'saveAllToVfs'      => [

mail/inc/class.mail_ui.inc.php

@@ -2924,12 +2924,36 @@ $filter['before']= date("d-M-Y", $cutoffdate2);
 		else
 		{
 			$subject = Api\Mail::clean_subject_for_filename($subject);
-			$mime='text/html'; $size=0;
+			$mime = 'text/html';
+			$size = 0;
 			Api\Header\Content::safe($message, $subject . ".eml", $mime, $size, true, false);
 			print '<pre>' . htmlspecialchars($message, ENT_NOQUOTES | ENT_SUBSTITUTE, 'utf-8') . '</pre>';
 		}
 	}
 
+	/**
+	 * Ajax function to save message(s)/attachment(s) in the vfs
+	 *
+	 * @param string $attachment_id
+	 * @param string $filename
+	 *
+	 * @return string Temporary path to open
+	 */
+	function ajax_vfsOpen($attachment_id, $filename)
+	{
+		// Use a sub-dir so we can give a nice filename
+		$temp_path = '/home/' . $GLOBALS['egw_info']['user']['account_lid'] . "/.mail/";
+		if(!Vfs::is_dir($temp_path))
+		{
+			Vfs::mkdir($temp_path);
+		}
+
+		$result = $this->vfsSaveAttachments([$attachment_id], $temp_path . $filename, 'rename');
+
+		$response = Api\Json\Response::get();
+		$response->data($result['savepath'][$attachment_id] ?? "");
+	}
+
 	/**
 	 * Ajax function to save message(s)/attachment(s) in the vfs
 	 *
@@ -3191,6 +3215,7 @@ $filter['before']= date("d-M-Y", $cutoffdate2);
 			{
 				fclose($fp);
 			}
+			$res['savepath'][$id] = $file;
 		}
 
 		$this->mail_bo->closeConnection();

mail/js/app.js

@@ -1109,7 +1109,7 @@ app.classes.mail = AppJS.extend(
 				{
 					id: 'saveOneToVfs',
 					label: 'Save in Filemanager',
-					icon: 'filemanager/navbar.svg',
+					icon: 'filemanager/navbar',
 					value: 'saveOneToVfs'
 				},
 				{
@@ -1125,8 +1125,18 @@ app.classes.mail = AppJS.extend(
 					value: 'downloadAllToZip'
 				}
 			];
+			if (typeof this.egw.user('apps')['collabora'] !== "undefined")
+			{
+				actions.push({
+					id: 'collabora',
+					label: 'Open',
+					icon: 'collabora/navbar',
+					value: 'collabora'
+				});
+			}
 			data.attachmentsBlockTitle = `${data.attachmentsBlock.length} attachments`;
-			data.attachmentsBlock.forEach(_item => {
+			data.attachmentsBlock.forEach(_item =>
+			{
 				_item.actions = 'downloadOneAsFile';
 				// for some reason label needs to be set explicitly for the dropdown button. It needs more investigation.
 				_item.actionsDefaultLabel = 'Download';
@@ -3132,6 +3142,31 @@ app.classes.mail = AppJS.extend(
 				});
 				vfs_select.click();
 				break;
+			case 'collabora':
+				attachment = attachments[row_id];
+				let id = mail_id + '::' + attachment.partID + '::' + attachment.winmailFlag + '::' + attachment.filename;
+
+				// This can take a few seconds, show loader
+				this.egw.loading_prompt('mail_open_file', true, attachment.filename);
+
+				// Temp save to VFS
+				this.egw.request('mail.mail_ui.ajax_vfsOpen', [id, attachment.filename]).then((temp_path) =>
+				{
+					if (temp_path)
+					{
+						// Open in Collabora
+						window.open(this.egw.link('/index.php', {
+							'menuaction': 'collabora.EGroupware\\collabora\\Ui.editor',
+							'path': temp_path,
+							'cd': 'no'	// needed to not reload framework in sharing
+						}));
+					}
+				}).finally(() =>
+				{
+					// Hide load prompt
+					this.egw.loading_prompt('mail_open_file', false);
+				});
+				break;
 
 			case 'downloadOneAsFile':
 			case 'downloadAllToZip':