Gate peeking behind msc flags (#1731)

1 files changed, 15 insertions, 1 deletions

diff --git a/setup/config/config_mscs.go b/setup/config/config_mscs.go
index 4b53495f..764273ec 100644
--- a/setup/config/config_mscs.go
+++ b/setup/config/config_mscs.go
@@ -3,7 +3,11 @@ package config
 type MSCs struct {
 	Matrix *Global `yaml:"-"`
 
-	// The MSCs to enable
+	// The MSCs to enable. Supported MSCs include:
+	// 'msc2444': Peeking over federation - https://github.com/matrix-org/matrix-doc/pull/2444
+	// 'msc2753': Peeking via /sync - https://github.com/matrix-org/matrix-doc/pull/2753
+	// 'msc2836': Threading - https://github.com/matrix-org/matrix-doc/pull/2836
+	// 'msc2946': Spaces Summary - https://github.com/matrix-org/matrix-doc/pull/2946
 	MSCs []string `yaml:"mscs"`
 
 	Database DatabaseOptions `yaml:"database"`
@@ -14,6 +18,16 @@ func (c *MSCs) Defaults() {
 	c.Database.ConnectionString = "file:mscs.db"
 }
 
+// Enabled returns true if the given msc is enabled. Should in the form 'msc12345'.
+func (c *MSCs) Enabled(msc string) bool {
+	for _, m := range c.MSCs {
+		if m == msc {
+			return true
+		}
+	}
+	return false
+}
+
 func (c *MSCs) Verify(configErrs *ConfigErrors, isMonolith bool) {
 	checkNotEmpty(configErrs, "mscs.database.connection_string", string(c.Database.ConnectionString))
 }