PLT-7622 Improvements to server handling of webapp plugins (#7445)

* Improvements to server handling of webapp plugins

* Fix newline

* Update manifest function names

3 files changed, 41 insertions, 10 deletions

diff --git a/api4/plugin.go b/api4/plugin.go
index 5b030e71d..ac1620335 100644
--- a/api4/plugin.go
+++ b/api4/plugin.go
@@ -25,6 +25,8 @@ func InitPlugin() {
 	BaseRoutes.Plugins.Handle("", ApiSessionRequired(getPlugins)).Methods("GET")
 	BaseRoutes.Plugin.Handle("", ApiSessionRequired(removePlugin)).Methods("DELETE")
 
+	BaseRoutes.Plugins.Handle("/webapp", ApiHandler(getWebappPlugins)).Methods("GET")
+
 }
 
 func uploadPlugin(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -118,3 +120,25 @@ func removePlugin(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	ReturnStatusOK(w)
 }
+
+func getWebappPlugins(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !*utils.Cfg.PluginSettings.Enable {
+		c.Err = model.NewAppError("getWebappPlugins", "app.plugin.disabled.app_error", nil, "", http.StatusNotImplemented)
+		return
+	}
+
+	manifests, err := c.App.GetActivePluginManifests()
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	clientManifests := []*model.Manifest{}
+	for _, m := range manifests {
+		if m.HasClient() {
+			clientManifests = append(clientManifests, m.ClientManifest())
+		}
+	}
+
+	w.Write([]byte(model.ManifestListToJson(clientManifests)))
+}
diff --git a/api4/plugin_test.go b/api4/plugin_test.go
index f92e58ea0..9cedccfe7 100644
--- a/api4/plugin_test.go
+++ b/api4/plugin_test.go
@@ -17,14 +17,11 @@ import (
 func TestPlugin(t *testing.T) {
 	pluginDir, err := ioutil.TempDir("", "mm-plugin-test")
 	require.NoError(t, err)
-	defer func() {
-		os.RemoveAll(pluginDir)
-	}()
+	defer os.RemoveAll(pluginDir)
+
 	webappDir, err := ioutil.TempDir("", "mm-webapp-test")
 	require.NoError(t, err)
-	defer func() {
-		os.RemoveAll(webappDir)
-	}()
+	defer os.RemoveAll(webappDir)
 
 	th := SetupEnterprise().InitBasic().InitSystemAdmin()
 	defer TearDown()
@@ -50,9 +47,7 @@ func TestPlugin(t *testing.T) {
 
 	// Successful upload
 	manifest, resp := th.SystemAdminClient.UploadPlugin(file)
-	defer func() {
-		os.RemoveAll("plugins/testplugin")
-	}()
+	defer os.RemoveAll("plugins/testplugin")
 	CheckNoError(t, resp)
 
 	assert.Equal(t, "testplugin", manifest.Id)
@@ -91,6 +86,19 @@ func TestPlugin(t *testing.T) {
 	_, resp = th.Client.GetPlugins()
 	CheckForbiddenStatus(t, resp)
 
+	// Successful webapp get
+	manifests, resp = th.Client.GetWebappPlugins()
+	CheckNoError(t, resp)
+
+	found = false
+	for _, m := range manifests {
+		if m.Id == manifest.Id {
+			found = true
+		}
+	}
+
+	assert.True(t, found)
+
 	// Successful remove
 	ok, resp := th.SystemAdminClient.RemovePlugin(manifest.Id)
 	CheckNoError(t, resp)
diff --git a/api4/system.go b/api4/system.go
index fbfbd0ef2..b50dc97a5 100644
--- a/api4/system.go
+++ b/api4/system.go
@@ -244,7 +244,6 @@ func getClientConfig(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 
 	respCfg["NoAccounts"] = strconv.FormatBool(c.App.IsFirstUserAccount())
-	respCfg["Plugins"] = c.App.GetPluginsForClientConfig()
 
 	w.Write([]byte(model.MapToJson(respCfg)))
 }