IONOS-Productivity · bromiesTM · Dec 10, 2025 · Dec 3, 2025 · Dec 4, 2025 · Dec 4, 2025
diff --git a/lib/EMailTemplate.php b/lib/EMailTemplate.php
@@ -7,12 +7,16 @@
 use OC\Mail\EMailTemplate as ParentTemplate;
 use OCA\NcwMailtemplate\AppInfo\Application;
 use OCP\Defaults;
+use OCP\IConfig;
 use OCP\IL10N;
 use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\IUserManager;
 use OCP\L10N\IFactory;
 
 class EMailTemplate extends ParentTemplate {
 	private IL10N $l;
+	private ?IUser $user = null;
 
 	// Generated asset URLs (filled in constructor)
 	private string $spacerUrl = '';
@@ -54,17 +58,97 @@ public function __construct(
 		?int $logoHeight,
 		string $emailId,
 		array $data = [],
-	) {
+		) {
+		// Initialize parent first to set up basic properties
 		parent::__construct($defaults, $urlGenerator, $l10nFactory, $logoWidth, $logoHeight, $emailId, $data);
-
-		// Initialize localization object
-		$this->l = $l10nFactory->get(Application::APP_ID);
+
+		// Try to get user from various sources (for recipient's language)
+		$this->user = $this->determineUser($this->data);
+
+		// Get language: user's preference, or system default
+		if ($this->user) {
+			$lang = $this->l10nFactory->getUserLanguage($this->user);
+		} else {
+			$config = \OC::$server->get(IConfig::class);
+			$lang = $config->getSystemValue('default_language', 'en');
+		}
+		$this->l = $this->l10nFactory->get(Application::APP_ID, $lang);
 
 		// Generate URLs for template assets
 		$this->generateTemplateAssetUrls($urlGenerator);
 
-		// Load all HTML template files
+		// Load all HTML template files - this will override parent's head and tail
 		$this->loadHtmlTemplateFiles();
+
+		// Replace the parent's htmlBody that was set with the parent's head
+		// with our custom head
+		$this->htmlBody = $this->head;
+	}
+
+	/**
+	 * Determine the user for this email template
+	 * Tries multiple sources: data array keys, current logged-in user, etc.
+	 *
+	 * Supported data keys (from various email types):
+	 * - userid: from settings.Welcome
+	 * - emailAddress: from settings.PasswordChanged, settings.EmailChanged
+	 * - newEMailAddress: from settings.EmailChanged
+	 * - shareWith: from file sharing emails (can be email or user ID)
+	 * - displayname: from various emails
+	 * - attendee_name: from calendar invitation emails
+	 *
+	 * @param array $data
+	 * @return IUser|null
+	 */
+	private function determineUser(array $data): ?IUser {
+		$userManager = \OC::$server->get(IUserManager::class);
+
+		// Priority 1: Try to get recipient by user ID (most direct)
+		$userIdKeys = ['userid', 'userId', 'uid'];
+		foreach ($userIdKeys as $key) {
+			if (isset($data[$key]) && is_string($data[$key])) {
+				$user = $userManager->get($data[$key]);
+				if ($user instanceof IUser) {
+					return $user;
+				}
+			}
+		}
+
+		// Priority 2: Try to get recipient by email address
+		$emailKeys = ['emailAddress', 'newEMailAddress', 'shareWith'];
+		foreach ($emailKeys as $key) {
+			if (isset($data[$key]) && is_string($data[$key]) && str_contains($data[$key], '@')) {
+				$value = $data[$key];
+
+				// Try to get user by email address
+				$users = $userManager->getByEmail($value);
+				if (!empty($users)) {
+					return reset($users);
+				}
+			}
+		}
+
+		// Priority 3: Try attendee_name or displayname as user ID or display name search
+		$nameKeys = ['attendee_name', 'displayname'];
+		foreach ($nameKeys as $key) {
+			if (isset($data[$key]) && is_string($data[$key])) {
+				$value = $data[$key];
+
+				// First try as user ID
+				$user = $userManager->get($value);
+				if ($user instanceof IUser) {
+					return $user;
+				}
+
+				// Then try as display name search
+				$users = $userManager->searchDisplayName($value, 1);
+				if (!empty($users)) {
+					return reset($users);
+				}
+			}
+		}
+
+		return null;
 	}
 
 	/**

diff --git a/lib/templates/email/bodyEnd.html b/lib/templates/email/bodyEnd.html
@@ -1,6 +1,6 @@
 <!-- Start bodyEnd -->
                             <p class="footer-greeting" style="padding:0 0 0 0;margin:0;text-align:left;line-height:20px" >
-                                <font class="footer-font" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:15px;font-weight:normal;color:#465A75;line-height:20px" ><?= $l->t('Best regards')?><br/>IONOS SE<br/></font>
+                                <font class="footer-font" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:15px;font-weight:normal;color:#001B41;line-height:20px" ><?= $l->t('Best regards')?><br/>IONOS SE<br/></font>
                             </p>
                         </td>
                         <td width="20" style="min-width:20px;width:20px;line-height:1px;font-size:0px" >

diff --git a/lib/templates/email/bodyText.html b/lib/templates/email/bodyText.html
@@ -1,6 +1,6 @@
 <!-- Start bodyText-->
     <p class="body-text" style="padding:0 0 0 0;margin:0;text-align:left;line-height:20px" >
-        <font class="body-font" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:15px;font-weight:normal;color:#465A75;line-height:20px" >
+        <font class="body-font" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:15px;font-weight:normal;color:#001B41;line-height:20px" >
             %s
         </font>
     </p>

diff --git a/lib/templates/email/button.html b/lib/templates/email/button.html
@@ -2,7 +2,7 @@
     <table cellpadding="0" cellspacing="0" border="0" name="halign" width="100%%" style="width:100%%;border-spacing:0" >
         <tr valign="top" >
             <td align="center" >
-                <a href="%3$s" class="button" target="_blank" style="background-color: rgb(17, 199, 230);border: 2px solid rgb(17, 199, 230);border-radius: 40px;box-sizing: border-box;color: rgb(11, 42, 99);cursor: pointer;display: inline-grid;font-size: 12px;font-weight: 600;height: 36px;line-height: 20px;padding: 6px 12px;text-align: center;text-decoration: none;">
+                <a href="%3$s" class="button" target="_blank" style="background-color: rgb(17, 199, 230);border: 2px solid rgb(17, 199, 230);border-radius: 40px;box-sizing: border-box;color: rgb(11, 42, 99);cursor: pointer;display: inline-grid;font-size: 15px;font-weight: 600;height: 36px;line-height: 20px;padding: 6px 12px;text-align: center;text-decoration: none;">
                     %7$s
                 </a>
             </td>

diff --git a/lib/templates/email/buttonGroup.html b/lib/templates/email/buttonGroup.html
@@ -2,12 +2,12 @@
     <table cellpadding="0" cellspacing="0" border="0" name="halign" width="100%%" style="width:100%%;border-spacing:0" >
         <tr valign="top" >
             <td align="center" >
-                <a href="%3$s" class="button" target="_blank" style="background-color: rgb(17, 199, 230);border: 2px solid rgb(17, 199, 230);border-radius: 40px;box-sizing: border-box;color: rgb(11, 42, 99);cursor: pointer;display: inline-grid;font-size: 12px;font-weight: 600;height: 36px;line-height: 20px;padding: 6px 12px;text-align: center;text-decoration: none;">
+                <a href="%3$s" class="button" target="_blank" style="background-color: rgb(17, 199, 230);border: 2px solid rgb(17, 199, 230);border-radius: 40px;box-sizing: border-box;color: rgb(11, 42, 99);cursor: pointer;display: inline-grid;font-size: 15px;font-weight: 600;height: 36px;line-height: 20px;padding: 6px 12px;text-align: center;text-decoration: none;">
                     %7$s
                 </a>
             </td>
             <td align="center" >
-                <a href="%8$s" class="button" target="_blank" style="background-color: rgb(17, 199, 230);border: 2px solid rgb(17, 199, 230);border-radius: 40px;box-sizing: border-box;color: rgb(11, 42, 99);cursor: pointer;display: inline-grid;font-size: 12px;font-weight: 600;height: 36px;line-height: 20px;padding: 6px 12px;text-align: center;text-decoration: none;">
+                <a href="%8$s" class="button" target="_blank" style="background-color: rgb(17, 199, 230);border: 2px solid rgb(17, 199, 230);border-radius: 40px;box-sizing: border-box;color: rgb(11, 42, 99);cursor: pointer;display: inline-grid;font-size: 15px;font-weight: 600;height: 36px;line-height: 20px;padding: 6px 12px;text-align: center;text-decoration: none;">
                     %9$s
                 </a>
             </td>

diff --git a/lib/templates/email/footer.html b/lib/templates/email/footer.html
@@ -23,14 +23,14 @@
                         </td>
                         <td align="left" >
                             <p class="footer-address" style="padding:0 0 0 0;margin:0;text-align:left;line-height:18px" >
-                                <font class="footer-address-font" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:14px;font-weight:normal;color:#465A75;line-height:18px" >IONOS SE
+                                <font class="footer-address-font" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:15px;font-weight:normal;color:#001B41;line-height:18px" >IONOS SE
                                     <br/>Elgendorfer Straße 57
                                     <br/>56410 Montabaur
                                     <br/><?= $l->t('Germany')?>
                                 </font>
                             </p>
                             <p>
-                                <a href="https://ionos.eu" class="footer-link" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:14px;font-weight:normal;color:#465A75;line-height:18px" target="_blank"><?= $l->t('Further information')?></a>
+                                <a href="https://ionos.eu" class="footer-link" style="font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-size:16px;font-weight:normal;color:#001B41;line-height:18px" target="_blank"><?= $l->t('Further information')?></a>
                             </p>
                             <table cellpadding="0" cellspacing="0" border="0" width="100%%" >
                                 <tr>

diff --git a/lib/templates/email/head.html b/lib/templates/email/head.html
@@ -1,133 +1,15 @@
-<!-- start head -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
-    <head>
-        <meta name="x-apple-disable-message-reformatting" />
-        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-        <meta name="format-detection" content="telephone=no" />
-        <meta name="format-detection" content="date=no" />
-        <meta name="format-detection" content="address=no" />
-        <meta name="format-detection" content="email=no" />
-        <title></title>
-        <style type="text/css" >
-            table,td {
-                mso-table-lspace: 0pt !important;
-                mso-table-rspace: 0pt !important;
-            }
-            img {
-                -ms-interpolation-mode:bicubic;
-            }
-            @media only screen and (max-width: 580px) {
-                .h-15 {height:15px !important;}
-                .w-20 {width:20px !important;}
-                .minw-20 {min-width:20px !important;}
-                .h-25 {height:25px !important;}
-                .h-12 {height:12px !important;}
-                .h-10 {height:10px !important;}
-                .inline-block {display:inline-block !important;}
-                .w-100 {width:100%% !important;}
-                .minw-100 {min-width:100%% !important;}
-                .v-top {vertical-align:top !important;}
-                .w-80 {width:80px !important;}
-                .minw-80 {min-width:80px !important;}
-                .h-80 {height:80px !important;}
-                .minh-80 {min-height:80px !important;}
-                .w-280 {width:280px !important;}
-                .w-580 {width:580px !important;}
-                .minw-580 {min-width:580px !important;}
-                .w-640 {width:640px !important;}
-                .minw-640 {min-width:640px !important;}
-
-
-                @media only screen and (min-width: 1900px) {
-                    .h-15 {height:15px !important;}
-                    .w-340 {width:340px !important;}
-                    .minw-340 {min-width:340px !important;}
-                    .w-20 {width:20px !important;}
-                    .minw-20 {min-width:20px !important;}
-                    .h-25 {height:25px !important;}
-                    .h-12 {height:12px !important;}
-                    .h-20 {height:20px !important;}
-                    .h-10 {height:10px !important;}
-                    .inline-block {display:inline-block !important;}
-                    .w-33 {width:33.3%% !important;}
-                    .minw-33 {min-width:33.3%% !important;}
-                    .v-top {vertical-align:top !important;}
-                    .text-left {text-align:left !important;}
-                    .text-right {text-align:right !important;}
-                    .w-100 {width:100%% !important;}
-                    .w-25 {width:25px !important;}
-                    .minw-25 {min-width:25px !important;}
-                    .w-100px {width:100px !important;}
-                    .minw-100px {min-width:100px !important;}
-                    .h-100 {height:100px !important;}
-                    .minh-100 {min-height:100px !important;}
-                    .w-353 {width:353px !important;}
-                    .h-32 {height:32px !important;}
-                    .w-175 {width:175px !important;}
-                    .w-680 {width:680px !important;}
-                    .minw-680 {min-width:680px !important;}
-                    .w-740 {width:740px !important;}
-                    .minw-740 {min-width:740px !important;}
-                }
-            }
-            .button {
-                background-color: rgb(17, 199, 230);
-                border: 2px solid rgb(17, 199, 230);
-                border-radius: 40px;
-                border-image-outset: 0;
-                border-image-repeat: stretch;
-                border-image-slice: 100%;
-                border-image-source: none;
-                border-image-width: 1;
-                box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 2px 12px 0px;
-                box-sizing: border-box;
-                color: rgb(11, 42, 99);
-                cursor: pointer;
-                display: inline-grid;
-                font-feature-settings: normal;
-                font-size: 12px;
-                font-variation-settings: normal;
-                font-weight: 600;
-                height: 36px;
-                line-height: 20px;
-                outline-color: rgba(0, 0, 0, 0);
-                outline-offset: 2px;
-                outline-style: solid;
-                outline-width: 2px;
-                padding: 6px 12px;
-                tab-size: 4;
-                text-align: center;
-                text-decoration-color: rgb(11, 42, 99);
-                text-decoration-line: none;
-                text-decoration-style: solid;
-                text-decoration-thickness: auto;
-                text-size-adjust: 100%;
-                -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-            }
-            @media all {
-                .inline-block {display:inline-block !important;}
-            }
-        </style>
-        <!--[if mso]><style>* {font-family: Arial,sans-serif !important;}</style><![endif]-->
-        <!--[if !mso]><!-->
-        <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700" rel="stylesheet" type="text/css">
-        <link href="https://fonts.googleapis.com/css?family=Overpass:400,600,700" rel="stylesheet" type="text/css">
-        <!--<![endif]-->
-        <!--[if gte mso 9]>
-            <xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml>
-        <![endif]-->
-    </head>
-    <body topmargin="0" rightmargin="0" leftmargin="0" style="background-color:#FFFFFF;-webkit-text-size-adjust:none;font-family:\'Open Sans\', \'Google Sans\', Arial, sans-serif;font-stretch:normal;font-style:normal;font-weight:normal;font-variant:normal;font-size:1.2rem" link="#3B9CDA" text="#465A75" vlink="#3B9CDA" alink="#3B9CDA" bgcolor="#FFFFFF">
-        <div class="body-bg" style="background-color:#FFFFFF;width:100%%" bgcolor="#FFFFFF">
-            <div class="pad" style="padding-top:0px;padding-right:0px;padding-bottom:30px;padding-left:0px">
-                <!--[if mso]>
-                    <style>.nomsoffice{mso-hide:all;visibility:hidden;}</style>
-                <![endif]-->
-                <a name="nltop"></a>
-                <table class="layout-wrapper w-740 minw-740" cellpadding="0" cellspacing="0" border="0" width="740" align="center" style="width:740px;border-spacing:0" >
-                    <tr valign="top" >
-                        <td class="w-740 minw-740 bg-white" width="740" align="left" bgcolor="#FFFFFF" style="background-color:#FFFFFF;min-width:740px;width:740px" >
-<!-- End head -->
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en" style="-webkit-font-smoothing:antialiased;background:#fff!important">
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+	<meta name="viewport" content="width=device-width">
+	<title></title>
+	<style type="text/css">@media only screen{html{min-height:100%;background:#fff}}@media only screen and (max-width:610px){table.body img{width:auto;height:auto}table.body center{min-width:0!important}table.body .container{width:95%!important}table.body .columns{height:auto!important;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;padding-left:30px!important;padding-right:30px!important}th.small-12{display:inline-block!important;width:100%!important}table.menu{width:100%!important}table.menu td,table.menu th{width:auto!important;display:inline-block!important}table.menu.vertical td,table.menu.vertical th{display:block!important}table.menu[align=center]{width:auto!important}}</style>
+</head>
+<body style="-moz-box-sizing:border-box;-ms-text-size-adjust:100%;-webkit-box-sizing:border-box;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;margin:0;background:#fff!important;box-sizing:border-box;color:#0a0a0a;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;min-width:100%;padding:0;text-align:left;width:100%!important">
+	<span class="preheader" style="color:#F5F5F5;display:none!important;font-size:1px;line-height:1px;max-height:0;max-width:0;mso-hide:all!important;opacity:0;overflow:hidden;visibility:hidden">
+	</span>
+	<table class="body" style="-webkit-font-smoothing:antialiased;margin:0;background:#fff;border-collapse:collapse;border-spacing:0;color:#0a0a0a;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;width:100%">
+		<tr style="padding:0;text-align:left;vertical-align:top">
+			<td class="center" align="center" valign="top" style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
+				<center data-parsed="" style="width:100%;max-width:740px;margin:auto">