From 56f6c1ef464ee07017e41402a4d3c07c2fcc548d Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Tue, 14 Oct 2025 14:43:34 +0100
Subject: [PATCH] Fix html exports by adding SDKContext (#30987)

* Fix html exports by adding SDKContext

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* delint

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Add test

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/utils/exportUtils/HtmlExport.tsx          | 49 ++++++++++---------
 .../utils/exportUtils/HTMLExport-test.ts      | 35 +++++++++++++
 2 files changed, 61 insertions(+), 23 deletions(-)

diff --git a/src/utils/exportUtils/HtmlExport.tsx b/src/utils/exportUtils/HtmlExport.tsx
index d8ded97ff5..20b7b681ac 100644
--- a/src/utils/exportUtils/HtmlExport.tsx
+++ b/src/utils/exportUtils/HtmlExport.tsx
@@ -30,6 +30,7 @@ import MatrixClientContext from "../../contexts/MatrixClientContext";
 import getExportCSS from "./exportCSS";
 import { textForEvent } from "../../TextForEvent";
 import { haveRendererForEvent } from "../../events/EventTileFactory";
+import { SDKContext, SdkContextClass } from "../../contexts/SDKContext.ts";
 
 import exportJS from "!!raw-loader!./exportJS";
 
@@ -267,29 +268,31 @@ export default class HTMLExporter extends Exporter {
         return (
             <div className="mx_Export_EventWrapper" id={mxEv.getId()}>
                 <MatrixClientContext.Provider value={this.room.client}>
-                    <TooltipProvider>
-                        <EventTile
-                            mxEvent={mxEv}
-                            continuation={continuation}
-                            isRedacted={mxEv.isRedacted()}
-                            replacingEventId={mxEv.replacingEventId()}
-                            forExport={true}
-                            alwaysShowTimestamps={true}
-                            showUrlPreview={false}
-                            checkUnmounting={() => false}
-                            isTwelveHour={false}
-                            last={false}
-                            lastInSection={false}
-                            permalinkCreator={this.permalinkCreator}
-                            lastSuccessful={false}
-                            isSelectedEvent={false}
-                            showReactions={true}
-                            layout={Layout.Group}
-                            showReadReceipts={false}
-                            getRelationsForEvent={this.getRelationsForEvent}
-                            ref={ref}
-                        />
-                    </TooltipProvider>
+                    <SDKContext.Provider value={SdkContextClass.instance}>
+                        <TooltipProvider>
+                            <EventTile
+                                mxEvent={mxEv}
+                                continuation={continuation}
+                                isRedacted={mxEv.isRedacted()}
+                                replacingEventId={mxEv.replacingEventId()}
+                                forExport={true}
+                                alwaysShowTimestamps={true}
+                                showUrlPreview={false}
+                                checkUnmounting={() => false}
+                                isTwelveHour={false}
+                                last={false}
+                                lastInSection={false}
+                                permalinkCreator={this.permalinkCreator}
+                                lastSuccessful={false}
+                                isSelectedEvent={false}
+                                showReactions={true}
+                                layout={Layout.Group}
+                                showReadReceipts={false}
+                                getRelationsForEvent={this.getRelationsForEvent}
+                                ref={ref}
+                            />
+                        </TooltipProvider>
+                    </SDKContext.Provider>
                 </MatrixClientContext.Provider>
             </div>
         );
diff --git a/test/unit-tests/utils/exportUtils/HTMLExport-test.ts b/test/unit-tests/utils/exportUtils/HTMLExport-test.ts
index 139ed83133..0ef71463bb 100644
--- a/test/unit-tests/utils/exportUtils/HTMLExport-test.ts
+++ b/test/unit-tests/utils/exportUtils/HTMLExport-test.ts
@@ -32,6 +32,7 @@ import HTMLExporter from "../../../../src/utils/exportUtils/HtmlExport";
 import DMRoomMap from "../../../../src/utils/DMRoomMap";
 import { mediaFromMxc } from "../../../../src/customisations/Media";
 import SettingsStore from "../../../../src/settings/SettingsStore";
+import { SdkContextClass } from "../../../../src/contexts/SDKContext.ts";
 
 jest.mock("jszip");
 jest.mock("../../../../src/settings/SettingsStore");
@@ -75,6 +76,20 @@ const EVENT_ATTACHMENT_MALFORMED: IRoomEvent = {
     },
 };
 
+const EVENT_MENTION: IRoomEvent = {
+    event_id: "$4",
+    type: EventType.RoomMessage,
+    sender: "@bob:example.com",
+    origin_server_ts: 0,
+    content: {
+        "msgtype": "m.text",
+        "body": "Message Alex",
+        "format": "org.matrix.custom.html",
+        "formatted_body": 'Message <a href="https://matrix.to/#/@alex:example.org">@alex:example.org</a>',
+        "m.mentions": { user_ids: ["@alex:example.org"] },
+    },
+};
+
 describe("HTMLExport", () => {
     let client: jest.Mocked<MatrixClient>;
     let room: Room;
@@ -96,6 +111,7 @@ describe("HTMLExport", () => {
         jest.setSystemTime(REPEATABLE_DATE);
 
         client = stubClient() as jest.Mocked<MatrixClient>;
+        SdkContextClass.instance.client = client;
         DMRoomMap.makeShared(client);
 
         room = new Room("!myroom:example.org", client, "@me:example.org");
@@ -716,4 +732,23 @@ describe("HTMLExport", () => {
         const file = getMessageFile(exporter);
         expect(file).not.toBeUndefined();
     });
+
+    it("should not crash when exporting mentions", async () => {
+        mockMessages(EVENT_MESSAGE, EVENT_MENTION);
+        const exporter = new HTMLExporter(
+            room,
+            ExportType.LastNMessages,
+            {
+                attachmentsIncluded: false,
+                maxSize: 1_024 * 1_024,
+                numberOfMessages: 40,
+            },
+            () => {},
+        );
+
+        await exporter.export();
+
+        const file = getMessageFile(exporter);
+        expect(file).not.toBeUndefined();
+    });
 });