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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package api
import (
"bytes"
"io"
"net/http"
"strings"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
)
const (
EXPIRED_LICENSE_ERROR = "api.license.add_license.expired.app_error"
INVALID_LICENSE_ERROR = "api.license.add_license.invalid.app_error"
)
func InitLicense() {
l4g.Debug(utils.T("api.license.init.debug"))
BaseRoutes.License.Handle("/add", ApiAdminSystemRequired(addLicense)).Methods("POST")
BaseRoutes.License.Handle("/remove", ApiAdminSystemRequired(removeLicense)).Methods("POST")
BaseRoutes.License.Handle("/client_config", ApiAppHandler(getClientLicenceConfig)).Methods("GET")
}
func LoadLicense() {
licenseId := ""
if result := <-Srv.Store.System().Get(); result.Err == nil {
props := result.Data.(model.StringMap)
licenseId = props[model.SYSTEM_ACTIVE_LICENSE_ID]
}
if len(licenseId) != 26 {
l4g.Warn(utils.T("mattermost.load_license.find.warn"))
return
}
if result := <-Srv.Store.License().Get(licenseId); result.Err == nil {
record := result.Data.(*model.LicenseRecord)
utils.LoadLicense([]byte(record.Bytes))
} else {
l4g.Warn(utils.T("mattermost.load_license.find.warn"))
}
}
func addLicense(c *Context, w http.ResponseWriter, r *http.Request) {
c.LogAudit("attempt")
err := r.ParseMultipartForm(*utils.Cfg.FileSettings.MaxFileSize)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
m := r.MultipartForm
fileArray, ok := m.File["license"]
if !ok {
c.Err = model.NewLocAppError("addLicense", "api.license.add_license.no_file.app_error", nil, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
if len(fileArray) <= 0 {
c.Err = model.NewLocAppError("addLicense", "api.license.add_license.array.app_error", nil, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
fileData := fileArray[0]
file, err := fileData.Open()
defer file.Close()
if err != nil {
c.Err = model.NewLocAppError("addLicense", "api.license.add_license.open.app_error", nil, err.Error())
return
}
buf := bytes.NewBuffer(nil)
io.Copy(buf, file)
if license, err := SaveLicense(buf.Bytes()); err != nil {
if err.Id == EXPIRED_LICENSE_ERROR {
c.LogAudit("failed - expired or non-started license")
} else if err.Id == INVALID_LICENSE_ERROR {
c.LogAudit("failed - invalid license")
} else {
c.LogAudit("failed - unable to save license")
}
c.Err = err
return
} else {
c.LogAudit("success")
w.Write([]byte(license.ToJson()))
}
}
func SaveLicense(licenseBytes []byte) (*model.License, *model.AppError) {
var license *model.License
if success, licenseStr := utils.ValidateLicense(licenseBytes); success {
license = model.LicenseFromJson(strings.NewReader(licenseStr))
if result := <-Srv.Store.User().AnalyticsUniqueUserCount(""); result.Err != nil {
return nil, model.NewLocAppError("addLicense", "api.license.add_license.invalid_count.app_error", nil, result.Err.Error())
} else {
uniqueUserCount := result.Data.(int64)
if uniqueUserCount > int64(*license.Features.Users) {
return nil, model.NewLocAppError("addLicense", "api.license.add_license.unique_users.app_error", map[string]interface{}{"Users": *license.Features.Users, "Count": uniqueUserCount}, "")
}
}
if ok := utils.SetLicense(license); !ok {
return nil, model.NewLocAppError("addLicense", EXPIRED_LICENSE_ERROR, nil, "")
}
record := &model.LicenseRecord{}
record.Id = license.Id
record.Bytes = string(licenseBytes)
rchan := Srv.Store.License().Save(record)
sysVar := &model.System{}
sysVar.Name = model.SYSTEM_ACTIVE_LICENSE_ID
sysVar.Value = license.Id
schan := Srv.Store.System().SaveOrUpdate(sysVar)
if result := <-rchan; result.Err != nil {
RemoveLicense()
return nil, model.NewLocAppError("addLicense", "api.license.add_license.save.app_error", nil, "err="+result.Err.Error())
}
if result := <-schan; result.Err != nil {
RemoveLicense()
return nil, model.NewLocAppError("addLicense", "api.license.add_license.save_active.app_error", nil, "")
}
} else {
return nil, model.NewLocAppError("addLicense", INVALID_LICENSE_ERROR, nil, "")
}
return license, nil
}
func removeLicense(c *Context, w http.ResponseWriter, r *http.Request) {
c.LogAudit("")
if err := RemoveLicense(); err != nil {
c.Err = err
return
}
rdata := map[string]string{}
rdata["status"] = "ok"
w.Write([]byte(model.MapToJson(rdata)))
}
func RemoveLicense() *model.AppError {
utils.RemoveLicense()
sysVar := &model.System{}
sysVar.Name = model.SYSTEM_ACTIVE_LICENSE_ID
sysVar.Value = ""
if result := <-Srv.Store.System().SaveOrUpdate(sysVar); result.Err != nil {
utils.RemoveLicense()
return result.Err
}
return nil
}
func getClientLicenceConfig(c *Context, w http.ResponseWriter, r *http.Request) {
etag := utils.GetClientLicenseEtag()
if HandleEtag(etag, w, r) {
return
}
clientLicense := utils.ClientLicense
w.Header().Set(model.HEADER_ETAG_SERVER, etag)
w.Write([]byte(model.MapToJson(clientLicense)))
}
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