Added license validation and settings

api/license.go

@@ -0,0 +1,95 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api
+
+import (
+	"bytes"
+	l4g "code.google.com/p/log4go"
+	"github.com/gorilla/mux"
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+	"io"
+	"net/http"
+	"strings"
+)
+
+func InitLicense(r *mux.Router) {
+	l4g.Debug("Initializing license api routes")
+
+	sr := r.PathPrefix("/license").Subrouter()
+	sr.Handle("/add", ApiAdminSystemRequired(addLicense)).Methods("POST")
+	sr.Handle("/remove", ApiAdminSystemRequired(removeLicense)).Methods("POST")
+}
+
+func addLicense(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.LogAudit("attempt")
+	err := r.ParseMultipartForm(model.MAX_FILE_SIZE)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	m := r.MultipartForm
+
+	fileArray, ok := m.File["license"]
+	if !ok {
+		c.Err = model.NewAppError("addLicense", "No file under 'license' in request", "")
+		c.Err.StatusCode = http.StatusBadRequest
+		return
+	}
+
+	if len(fileArray) <= 0 {
+		c.Err = model.NewAppError("addLicense", "Empty array under 'license' in request", "")
+		c.Err.StatusCode = http.StatusBadRequest
+		return
+	}
+
+	fileData := fileArray[0]
+
+	file, err := fileData.Open()
+	defer file.Close()
+	if err != nil {
+		c.Err = model.NewAppError("addLicense", "Could not open license file", err.Error())
+		return
+	}
+
+	buf := bytes.NewBuffer(nil)
+	io.Copy(buf, file)
+
+	data := buf.Bytes()
+
+	var license *model.License
+	if success, licenseStr := utils.ValidateLicense(data); success {
+		license = model.LicenseFromJson(strings.NewReader(licenseStr))
+
+		if ok := utils.SetLicense(license); !ok {
+			c.LogAudit("failed - expired or non-started license")
+			c.Err = model.NewAppError("addLicense", "License is either expired or has not yet started.", "")
+			return
+		}
+
+		go func() {
+			if err := writeFileLocally(data, utils.LICENSE_FILE_LOC); err != nil {
+				l4g.Error("Could not save license file")
+			}
+		}()
+	} else {
+		c.LogAudit("failed - invalid license")
+		c.Err = model.NewAppError("addLicense", "Invalid license file", "")
+		return
+	}
+
+	c.LogAudit("success")
+	w.Write([]byte(license.ToJson()))
+}
+
+func removeLicense(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.LogAudit("")
+
+	utils.RemoveLicense()
+
+	rdata := map[string]string{}
+	rdata["status"] = "ok"
+	w.Write([]byte(model.MapToJson(rdata)))
+}