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license.go
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license.go
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package handler
import (
"context"
"database/sql"
"errors"
"fmt"
"net/http"
"github.com/deepfence/ThreatMapper/deepfence_server/model"
"github.com/deepfence/ThreatMapper/deepfence_utils/directory"
"github.com/deepfence/ThreatMapper/deepfence_utils/utils"
httpext "github.com/go-playground/pkg/v5/net/http"
"github.com/rs/zerolog/log"
)
var (
licenseAddedError = ForbiddenError{errors.New("license key already added")}
licenseNotConfiguredError = PaymentRequired{errors.New("console not registered")}
errEmailRequired = ValidatorError{
err: errors.New("email:email is required"),
skipOverwriteErrorMessage: true,
}
)
func (h *Handler) GenerateLicenseHandler(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
var req model.GenerateLicenseRequest
err := httpext.DecodeJSON(r, httpext.NoQueryParams, MaxPostRequestSize, &req)
if err != nil {
log.Error().Msg(err.Error())
h.respondError(err, w)
return
}
err = h.Validator.Struct(req)
if err != nil {
log.Error().Msg(err.Error())
h.respondError(&ValidatorError{err: err}, w)
return
}
message, errorFields, err := model.GenerateLicense(req)
if err != nil {
log.Error().Msg(err.Error())
h.respondError(&BadDecoding{err: err}, w)
return
}
if len(errorFields) > 0 {
validatorError := ValidatorError{
errs: []error{},
skipOverwriteErrorMessage: true,
}
for k, v := range errorFields {
validatorError.errs = append(validatorError.errs, fmt.Errorf("%s:%s", k, v))
}
validatorError.err = validatorError.errs[0]
h.respondError(&validatorError, w)
return
}
err = httpext.JSON(w, http.StatusOK, message)
if err != nil {
log.Error().Msg(err.Error())
}
}
func (h *Handler) RegisterLicenseHandler(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
var req model.RegisterLicenseRequest
err := httpext.DecodeJSON(r, httpext.NoQueryParams, MaxPostRequestSize, &req)
if err != nil {
h.respondError(err, w)
return
}
err = h.Validator.Struct(req)
if err != nil {
h.respondError(&ValidatorError{err: err}, w)
return
}
// Not part of validator to keep RegisterLicenseRequest same in TM and TS
if req.Email == "" {
h.respondError(&errEmailRequired, w)
return
}
ctx := r.Context()
pgClient, err := directory.PostgresClient(ctx)
if err != nil {
h.respondError(err, w)
return
}
dbLicense, err := model.GetLicense(ctx, pgClient)
if errors.Is(err, sql.ErrNoRows) {
// Nothing to do
} else if err != nil {
h.respondError(err, w)
return
} else {
if dbLicense.LicenseKey != req.LicenseKey {
h.respondError(&licenseAddedError, w)
return
}
}
license, statusCode, err := model.FetchLicense(ctx, req.LicenseKey, req.Email, pgClient)
if err != nil {
log.Error().Msg(err.Error())
if statusCode == http.StatusBadRequest {
h.respondError(&BadDecoding{err: err}, w)
return
} else {
h.respondError(err, w)
return
}
}
err = license.Save(ctx, pgClient)
if err != nil {
log.Error().Msg(err.Error())
h.respondError(err, w)
return
}
err = h.RunThreatIntelUpdateTask(ctx)
if err != nil {
log.Warn().Msgf("Could not trigger ThreatIntelUpdateTask: %v", err)
}
err = httpext.JSON(w, http.StatusOK, model.RegisterLicenseResponse{
LicenseKey: license.LicenseKey,
EmailDomain: license.LicenseEmailDomain,
})
if err != nil {
log.Error().Msg(err.Error())
}
}
func (h *Handler) RunThreatIntelUpdateTask(ctx context.Context) error {
worker, err := directory.Worker(ctx)
if err != nil {
return err
}
err = worker.Enqueue(utils.ThreatIntelUpdateTask, []byte{}, utils.CritialTaskOpts()...)
if err != nil {
return err
}
return nil
}
func (h *Handler) GetLicenseHandler(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
currentUser, statusCode, pgClient, err := h.GetUserFromJWT(ctx)
if err != nil {
h.respondWithErrorCode(err, w, statusCode)
return
}
license, err := model.GetLicense(ctx, pgClient)
if errors.Is(err, sql.ErrNoRows) {
h.respondError(&licenseNotConfiguredError, w)
return
} else if err != nil {
h.respondError(err, w)
return
}
switch currentUser.Role {
case model.ReadOnlyRole:
license.LicenseKey = ""
license.RegistryCredentials = model.RegistryCredentials{}
case model.StandardUserRole:
license.LicenseKey = ""
}
err = httpext.JSON(w, http.StatusOK, license)
if err != nil {
log.Error().Msg(err.Error())
}
}
func (h *Handler) DeleteLicenseHandler(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
pgClient, err := directory.PostgresClient(ctx)
if err != nil {
h.respondError(err, w)
return
}
license, err := model.GetLicense(ctx, pgClient)
if errors.Is(err, sql.ErrNoRows) {
h.respondError(&licenseNotConfiguredError, w)
return
} else if err != nil {
log.Error().Msg(err.Error())
h.respondError(err, w)
return
}
err = license.Delete(ctx, pgClient)
if err != nil {
log.Error().Msg(err.Error())
h.respondError(err, w)
return
}
w.WriteHeader(http.StatusNoContent)
}