Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/api4/terms_of_service.go

@@ -0,0 +1,78 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/server/channels/app"
+	"github.com/mattermost/mattermost-server/v6/server/channels/audit"
+	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+)
+
+func (api *API) InitTermsOfService() {
+	api.BaseRoutes.TermsOfService.Handle("", api.APISessionRequired(getLatestTermsOfService)).Methods("GET")
+	api.BaseRoutes.TermsOfService.Handle("", api.APISessionRequired(createTermsOfService)).Methods("POST")
+}
+
+func getLatestTermsOfService(c *Context, w http.ResponseWriter, r *http.Request) {
+	termsOfService, err := c.App.GetLatestTermsOfService()
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	if err := json.NewEncoder(w).Encode(termsOfService); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
+}
+
+func createTermsOfService(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !c.App.SessionHasPermissionTo(*c.AppContext.Session(), model.PermissionManageSystem) {
+		c.SetPermissionError(model.PermissionManageSystem)
+		return
+	}
+
+	if license := c.App.Channels().License(); license == nil || !*license.Features.CustomTermsOfService {
+		c.Err = model.NewAppError("createTermsOfService", "api.create_terms_of_service.custom_terms_of_service_disabled.app_error", nil, "", http.StatusBadRequest)
+		return
+	}
+
+	auditRec := c.MakeAuditRecord("createTermsOfService", audit.Fail)
+	defer c.LogAuditRec(auditRec)
+
+	props := model.MapFromJSON(r.Body)
+	text := props["text"]
+	userId := c.AppContext.Session().UserId
+
+	if text == "" {
+		c.Err = model.NewAppError("Config.IsValid", "api.create_terms_of_service.empty_text.app_error", nil, "", http.StatusBadRequest)
+		return
+	}
+
+	oldTermsOfService, err := c.App.GetLatestTermsOfService()
+	if err != nil && err.Id != app.ErrorTermsOfServiceNoRowsFound {
+		c.Err = err
+		return
+	}
+
+	if oldTermsOfService == nil || oldTermsOfService.Text != text {
+		termsOfService, err := c.App.CreateTermsOfService(text, userId)
+		if err != nil {
+			c.Err = err
+			return
+		}
+
+		if err := json.NewEncoder(w).Encode(termsOfService); err != nil {
+			c.Logger.Warn("Error while writing response", mlog.Err(err))
+		}
+	} else {
+		if err := json.NewEncoder(w).Encode(oldTermsOfService); err != nil {
+			c.Logger.Warn("Error while writing response", mlog.Err(err))
+		}
+	}
+	auditRec.Success()
+}