diff --git a/lib/Chat/Parser/SystemMessage.php b/lib/Chat/Parser/SystemMessage.php
index 9cd88747ff8..d09f1a7a681 100644
--- a/lib/Chat/Parser/SystemMessage.php
+++ b/lib/Chat/Parser/SystemMessage.php
@@ -629,6 +629,8 @@ protected function getFileFromShare(Participant $participant, string $shareId):
 			'size' => $size,
 			'path' => $path,
 			'link' => $url,
+			'etag' => $node->getEtag(),
+			'permissions' => $node->getPermissions(),
 			'mimetype' => $node->getMimeType(),
 			'preview-available' => $this->previewManager->isAvailable($node) ? 'yes' : 'no',
 		];
diff --git a/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js b/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js
index 5161febdd91..cc70f38dc75 100644
--- a/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js
+++ b/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js
@@ -48,6 +48,8 @@ describe('FilePreview.vue', () => {
 			name: 'test.jpg',
 			path: 'path/to/test.jpg',
 			size: 128,
+			etag: '1872ade88f3013edeb33decd74a4f947',
+			permissions: 15,
 			mimetype: 'image/jpeg',
 			previewAvailable: 'yes',
 		}
@@ -370,10 +372,12 @@ describe('FilePreview.vue', () => {
 				expect(OCA.Viewer.open).toHaveBeenCalledWith({
 					list: [{
 						basename: 'test.jpg',
+						etag: '1872ade88f3013edeb33decd74a4f947',
 						fileid: 123,
 						filename: '/path/to/test.jpg',
 						hasPreview: true,
 						mime: 'image/jpeg',
+						permissions: 'CKGWD',
 					}],
 					path: '/path/to/test.jpg',
 				})
diff --git a/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.vue b/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.vue
index b0c0e09fa71..7a2c4bb0656 100644
--- a/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.vue
+++ b/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.vue
@@ -145,6 +145,20 @@ export default {
 			type: String,
 			default: '',
 		},
+		/**
+		 * File ETag
+		 */
+		etag: {
+			type: String,
+			default: '',
+		},
+		/**
+		 * File ETag
+		 */
+		permissions: {
+			type: Number,
+			default: 0,
+		},
 		/**
 		 * Whether a preview is available, string "yes" for yes
 		 * otherwise the string "no"
@@ -448,6 +462,25 @@ export default {
 				OCA.Files.Sidebar.state.file = this.internalAbsolutePath
 			}
 
+			let permissions = ''
+			if (this.permissions) {
+				if (this.permissions & OC.PERMISSION_CREATE) {
+					permissions += 'CK'
+				}
+				if (this.permissions & OC.PERMISSION_READ) {
+					permissions += 'G'
+				}
+				if (this.permissions & OC.PERMISSION_UPDATE) {
+					permissions += 'W'
+				}
+				if (this.permissions & OC.PERMISSION_DELETE) {
+					permissions += 'D'
+				}
+				if (this.permissions & OC.PERMISSION_SHARE) {
+					permissions += 'R'
+				}
+			}
+
 			OCA.Viewer.open({
 				// Viewer expects an internal absolute path starting with "/".
 				path: this.internalAbsolutePath,
@@ -458,6 +491,8 @@ export default {
 						basename: this.name,
 						mime: this.mimetype,
 						hasPreview: this.previewAvailable === 'yes',
+						etag: this.etag,
+						permissions,
 					},
 				],
 			})
diff --git a/src/test-setup.js b/src/test-setup.js
index f6c6b1f99d2..dfec2c4f98b 100644
--- a/src/test-setup.js
+++ b/src/test-setup.js
@@ -59,6 +59,14 @@ global.OC = {
 	MimeType: {
 		getIconUrl: jest.fn(),
 	},
+
+	PERMISSION_NONE: 0,
+	PERMISSION_READ: 1,
+	PERMISSION_UPDATE: 2,
+	PERMISSION_CREATE: 4,
+	PERMISSION_DELETE: 8,
+	PERMISSION_SHARE: 16,
+	PERMISSION_ALL: 31,
 }
 global.OCA = {
 	Talk: {
diff --git a/tests/php/Chat/Parser/SystemMessageTest.php b/tests/php/Chat/Parser/SystemMessageTest.php
index 6a74d2d62ce..5f0bce5f125 100644
--- a/tests/php/Chat/Parser/SystemMessageTest.php
+++ b/tests/php/Chat/Parser/SystemMessageTest.php
@@ -586,6 +586,12 @@ public function testGetFileFromShareForGuest() {
 		$node->expects($this->once())
 			->method('getSize')
 			->willReturn(65530);
+		$node->expects($this->once())
+			->method('getEtag')
+			->willReturn(md5('etag'));
+		$node->expects($this->once())
+			->method('getPermissions')
+			->willReturn(27);
 
 		$share = $this->createMock(IShare::class);
 		$share->expects($this->once())
@@ -625,6 +631,8 @@ public function testGetFileFromShareForGuest() {
 			'size' => 65530,
 			'path' => 'name',
 			'link' => 'absolute-link',
+			'etag' => '1872ade88f3013edeb33decd74a4f947',
+			'permissions' => 27,
 			'mimetype' => 'text/plain',
 			'preview-available' => 'yes',
 		], self::invokePrivate($parser, 'getFileFromShare', [$participant, '23']));
@@ -647,6 +655,12 @@ public function testGetFileFromShareForOwner() {
 		$node->expects($this->once())
 			->method('getSize')
 			->willReturn(65520);
+		$node->expects($this->once())
+			->method('getEtag')
+			->willReturn(md5('etag'));
+		$node->expects($this->once())
+			->method('getPermissions')
+			->willReturn(27);
 
 		$share = $this->createMock(IShare::class);
 		$share->expects($this->once())
@@ -693,6 +707,8 @@ public function testGetFileFromShareForOwner() {
 			'size' => 65520,
 			'path' => 'path/to/file/name',
 			'link' => 'absolute-link-owner',
+			'etag' => '1872ade88f3013edeb33decd74a4f947',
+			'permissions' => 27,
 			'mimetype' => 'httpd/unix-directory',
 			'preview-available' => 'no',
 		], self::invokePrivate($parser, 'getFileFromShare', [$participant, '23']));
@@ -734,6 +750,12 @@ public function testGetFileFromShareForRecipient() {
 		$file->expects($this->once())
 			->method('getSize')
 			->willReturn(65515);
+		$file->expects($this->once())
+			->method('getEtag')
+			->willReturn(md5('etag'));
+		$file->expects($this->once())
+			->method('getPermissions')
+			->willReturn(27);
 		$file->expects($this->atLeastOnce())
 			->method('getMimeType')
 			->willReturn('application/octet-stream');
@@ -769,6 +791,8 @@ public function testGetFileFromShareForRecipient() {
 			'size' => 65515,
 			'path' => 'Shared/different',
 			'link' => 'absolute-link-owner',
+			'etag' => '1872ade88f3013edeb33decd74a4f947',
+			'permissions' => 27,
 			'mimetype' => 'application/octet-stream',
 			'preview-available' => 'no',
 		], self::invokePrivate($parser, 'getFileFromShare', [$participant, '23']));