From 1cc073cde6ca7ec81502554fd7ac250586ccde2e Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sun, 23 Feb 2025 18:12:28 +0200
Subject: [PATCH] client: add wrapper method for MSC2815

---
 client.go   |  8 ++++++++
 error.go    |  3 +++
 versions.go | 11 ++++++-----
 3 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/client.go b/client.go
index ae37798e..2d67231c 100644
--- a/client.go
+++ b/client.go
@@ -2013,6 +2013,14 @@ func (cli *Client) GetEvent(ctx context.Context, roomID id.RoomID, eventID id.Ev
 	return
 }
 
+func (cli *Client) GetUnredactedEventContent(ctx context.Context, roomID id.RoomID, eventID id.EventID) (resp *event.Event, err error) {
+	urlPath := cli.BuildURLWithQuery(ClientURLPath{"v3", "rooms", roomID, "event", eventID}, map[string]string{
+		"fi.mau.msc2815.include_unredacted_content": "true",
+	})
+	_, err = cli.MakeRequest(ctx, http.MethodGet, urlPath, nil, &resp)
+	return
+}
+
 func (cli *Client) MarkRead(ctx context.Context, roomID id.RoomID, eventID id.EventID) (err error) {
 	return cli.SendReceipt(ctx, roomID, eventID, event.ReceiptTypeRead, nil)
 }
diff --git a/error.go b/error.go
index 653ac5a1..38039464 100644
--- a/error.go
+++ b/error.go
@@ -71,6 +71,9 @@ var (
 	MBadStatus         = RespError{ErrCode: "M_BAD_STATUS"}
 	MConnectionTimeout = RespError{ErrCode: "M_CONNECTION_TIMEOUT"}
 	MConnectionFailed  = RespError{ErrCode: "M_CONNECTION_FAILED"}
+
+	MUnredactedContentDeleted     = RespError{ErrCode: "FI.MAU.MSC2815_UNREDACTED_CONTENT_DELETED"}
+	MUnredactedContentNotReceived = RespError{ErrCode: "FI.MAU.MSC2815_UNREDACTED_CONTENT_NOT_RECEIVED"}
 )
 
 // HTTPError An HTTP Error response, which may wrap an underlying native Go Error.
diff --git a/versions.go b/versions.go
index 183bc9ad..7e752986 100644
--- a/versions.go
+++ b/versions.go
@@ -60,11 +60,12 @@ type UnstableFeature struct {
 }
 
 var (
-	FeatureAsyncUploads       = UnstableFeature{UnstableFlag: "fi.mau.msc2246.stable", SpecVersion: SpecV17}
-	FeatureAppservicePing     = UnstableFeature{UnstableFlag: "fi.mau.msc2659.stable", SpecVersion: SpecV17}
-	FeatureAuthenticatedMedia = UnstableFeature{UnstableFlag: "org.matrix.msc3916.stable", SpecVersion: SpecV111}
-	FeatureMutualRooms        = UnstableFeature{UnstableFlag: "uk.half-shot.msc2666.query_mutual_rooms"}
-	FeatureUserRedaction      = UnstableFeature{UnstableFlag: "org.matrix.msc4194"}
+	FeatureAsyncUploads        = UnstableFeature{UnstableFlag: "fi.mau.msc2246.stable", SpecVersion: SpecV17}
+	FeatureAppservicePing      = UnstableFeature{UnstableFlag: "fi.mau.msc2659.stable", SpecVersion: SpecV17}
+	FeatureAuthenticatedMedia  = UnstableFeature{UnstableFlag: "org.matrix.msc3916.stable", SpecVersion: SpecV111}
+	FeatureMutualRooms         = UnstableFeature{UnstableFlag: "uk.half-shot.msc2666.query_mutual_rooms"}
+	FeatureUserRedaction       = UnstableFeature{UnstableFlag: "org.matrix.msc4194"}
+	FeatureViewRedactedContent = UnstableFeature{UnstableFlag: "fi.mau.msc2815"}
 
 	BeeperFeatureHungry               = UnstableFeature{UnstableFlag: "com.beeper.hungry"}
 	BeeperFeatureBatchSending         = UnstableFeature{UnstableFlag: "com.beeper.batch_sending"}