Remove eduserver (#2306)

* Move receipt sending to own JetStream producer

* Move SendToDevice to producer

* Remove most parts of the EDU server

* Fix SendToDevice & copyrights

* Move structs, cleanup EDU Server traces

* Use HeadersOnly subscription

* Missing file

* Fix linter issues

* Move consumers to own files

* Rename durable consumer; Consumer cleanup

* Docs/config cleanup

3 files changed, 1 insertions, 35 deletions

diff --git a/setup/config/config.go b/setup/config/config.go
index eb371a54..e03518e2 100644
--- a/setup/config/config.go
+++ b/setup/config/config.go
@@ -56,7 +56,6 @@ type Dendrite struct {
 	Global        Global        `yaml:"global"`
 	AppServiceAPI AppServiceAPI `yaml:"app_service_api"`
 	ClientAPI     ClientAPI     `yaml:"client_api"`
-	EDUServer     EDUServer     `yaml:"edu_server"`
 	FederationAPI FederationAPI `yaml:"federation_api"`
 	KeyServer     KeyServer     `yaml:"key_server"`
 	MediaAPI      MediaAPI      `yaml:"media_api"`
@@ -296,7 +295,6 @@ func (c *Dendrite) Defaults(generate bool) {
 
 	c.Global.Defaults(generate)
 	c.ClientAPI.Defaults(generate)
-	c.EDUServer.Defaults(generate)
 	c.FederationAPI.Defaults(generate)
 	c.KeyServer.Defaults(generate)
 	c.MediaAPI.Defaults(generate)
@@ -314,8 +312,7 @@ func (c *Dendrite) Verify(configErrs *ConfigErrors, isMonolith bool) {
 		Verify(configErrs *ConfigErrors, isMonolith bool)
 	}
 	for _, c := range []verifiable{
-		&c.Global, &c.ClientAPI,
-		&c.EDUServer, &c.FederationAPI,
+		&c.Global, &c.ClientAPI, &c.FederationAPI,
 		&c.KeyServer, &c.MediaAPI, &c.RoomServer,
 		&c.SyncAPI, &c.UserAPI,
 		&c.AppServiceAPI, &c.MSCs,
@@ -327,7 +324,6 @@ func (c *Dendrite) Verify(configErrs *ConfigErrors, isMonolith bool) {
 func (c *Dendrite) Wiring() {
 	c.Global.JetStream.Matrix = &c.Global
 	c.ClientAPI.Matrix = &c.Global
-	c.EDUServer.Matrix = &c.Global
 	c.FederationAPI.Matrix = &c.Global
 	c.KeyServer.Matrix = &c.Global
 	c.MediaAPI.Matrix = &c.Global
@@ -519,15 +515,6 @@ func (config *Dendrite) UserAPIURL() string {
 	return string(config.UserAPI.InternalAPI.Connect)
 }
 
-// EDUServerURL returns an HTTP URL for where the EDU server is listening.
-func (config *Dendrite) EDUServerURL() string {
-	// Hard code the EDU server to talk HTTP for now.
-	// If we support HTTPS we need to think of a practical way to do certificate validation.
-	// People setting up servers shouldn't need to get a certificate valid for the public
-	// internet for an internal API.
-	return string(config.EDUServer.InternalAPI.Connect)
-}
-
 // KeyServerURL returns an HTTP URL for where the key server is listening.
 func (config *Dendrite) KeyServerURL() string {
 	// Hard code the key server to talk HTTP for now.
diff --git a/setup/config/config_eduserver.go b/setup/config/config_eduserver.go
deleted file mode 100644
index e7ed36aa..00000000
--- a/setup/config/config_eduserver.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package config
-
-type EDUServer struct {
-	Matrix *Global `yaml:"-"`
-
-	InternalAPI InternalAPIOptions `yaml:"internal_api"`
-}
-
-func (c *EDUServer) Defaults(generate bool) {
-	c.InternalAPI.Listen = "http://localhost:7778"
-	c.InternalAPI.Connect = "http://localhost:7778"
-}
-
-func (c *EDUServer) Verify(configErrs *ConfigErrors, isMonolith bool) {
-	checkURL(configErrs, "edu_server.internal_api.listen", string(c.InternalAPI.Listen))
-	checkURL(configErrs, "edu_server.internal_api.connect", string(c.InternalAPI.Connect))
-}
diff --git a/setup/config/config_test.go b/setup/config/config_test.go
index e6f0a493..46e973fa 100644
--- a/setup/config/config_test.go
+++ b/setup/config/config_test.go
@@ -101,10 +101,6 @@ current_state_server:
     max_open_conns: 100
     max_idle_conns: 2
     conn_max_lifetime: -1
-edu_server:
-  internal_api:
-    listen: http://localhost:7778
-    connect: http://localhost:7778
 federation_api:
   internal_api:
     listen: http://localhost:7772