From 9110dd54a15f3d0fcf6f60936e01d816b667b93c Mon Sep 17 00:00:00 2001
From: JoramWilander <jwawilander@gmail.com>
Date: Mon, 4 Jan 2016 12:44:22 -0500
Subject: Added license validation and settings

---
 api/api.go     |  1 +
 api/context.go |  1 +
 api/file.go    | 20 +++++++++----
 api/license.go | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 111 insertions(+), 6 deletions(-)
 create mode 100644 api/license.go

(limited to 'api')

diff --git a/api/api.go b/api/api.go
index a6bb22982..f29063fe1 100644
--- a/api/api.go
+++ b/api/api.go
@@ -46,6 +46,7 @@ func InitApi() {
 	InitOAuth(r)
 	InitWebhook(r)
 	InitPreference(r)
+	InitLicense(r)
 
 	templatesDir := utils.FindDir("api/templates")
 	l4g.Debug("Parsing server templates at %v", templatesDir)
diff --git a/api/context.go b/api/context.go
index 561884c14..e8ec6576d 100644
--- a/api/context.go
+++ b/api/context.go
@@ -35,6 +35,7 @@ type Page struct {
 	TemplateName      string
 	Props             map[string]string
 	ClientCfg         map[string]string
+	ClientLicense     map[string]string
 	User              *model.User
 	Team              *model.Team
 	Channel           *model.Channel
diff --git a/api/file.go b/api/file.go
index d023515af..46e81691e 100644
--- a/api/file.go
+++ b/api/file.go
@@ -541,12 +541,8 @@ func writeFile(f []byte, path string) *model.AppError {
 			return model.NewAppError("writeFile", "Encountered an error writing to S3", err.Error())
 		}
 	} else if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_LOCAL {
-		if err := os.MkdirAll(filepath.Dir(utils.Cfg.FileSettings.Directory+path), 0774); err != nil {
-			return model.NewAppError("writeFile", "Encountered an error creating the directory for the new file", err.Error())
-		}
-
-		if err := ioutil.WriteFile(utils.Cfg.FileSettings.Directory+path, f, 0644); err != nil {
-			return model.NewAppError("writeFile", "Encountered an error writing to local server storage", err.Error())
+		if err := writeFileLocally(f, utils.Cfg.FileSettings.Directory+path); err != nil {
+			return err
 		}
 	} else {
 		return model.NewAppError("writeFile", "File storage not configured properly. Please configure for either S3 or local server file storage.", "")
@@ -555,6 +551,18 @@ func writeFile(f []byte, path string) *model.AppError {
 	return nil
 }
 
+func writeFileLocally(f []byte, path string) *model.AppError {
+	if err := os.MkdirAll(filepath.Dir(path), 0774); err != nil {
+		return model.NewAppError("writeFile", "Encountered an error creating the directory for the new file", err.Error())
+	}
+
+	if err := ioutil.WriteFile(path, f, 0644); err != nil {
+		return model.NewAppError("writeFile", "Encountered an error writing to local server storage", err.Error())
+	}
+
+	return nil
+}
+
 func readFile(path string) ([]byte, *model.AppError) {
 
 	if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_S3 {
diff --git a/api/license.go b/api/license.go
new file mode 100644
index 000000000..9ed2d2afb
--- /dev/null
+++ b/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)))
+}
-- 
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