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routes_handler.go
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/
routes_handler.go
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package handlers
import (
"encoding/json"
"net/http"
"code.cloudfoundry.org/lager/v3"
"code.cloudfoundry.org/routing-api/db"
"code.cloudfoundry.org/routing-api/models"
"code.cloudfoundry.org/routing-api/uaaclient"
)
type RoutesHandler struct {
uaaClient uaaclient.TokenValidator
maxTTL int
validator RouteValidator
db db.DB
logger lager.Logger
}
func NewRoutesHandler(uaaClient uaaclient.TokenValidator, maxTTL int, validator RouteValidator, database db.DB, logger lager.Logger) *RoutesHandler {
return &RoutesHandler{
uaaClient: uaaClient,
maxTTL: maxTTL,
validator: validator,
db: database,
logger: logger,
}
}
func (h *RoutesHandler) List(w http.ResponseWriter, req *http.Request) {
log := h.logger.Session("list-routes")
err := h.uaaClient.ValidateToken(req.Header.Get("Authorization"), RoutingRoutesReadScope)
if err != nil {
handleUnauthorizedError(w, err, log)
return
}
routes, err := h.db.ReadRoutes()
if err != nil {
handleDBCommunicationError(w, err, log)
return
}
encoder := json.NewEncoder(w)
err = encoder.Encode(routes)
if err != nil {
handleProcessRequestError(w, err, log)
return
}
}
func (h *RoutesHandler) Upsert(w http.ResponseWriter, req *http.Request) {
log := h.logger.Session("create-route")
err := h.uaaClient.ValidateToken(req.Header.Get("Authorization"), RoutingRoutesWriteScope)
if err != nil {
handleUnauthorizedError(w, err, log)
return
}
decoder := json.NewDecoder(req.Body)
var routes []models.Route
err = decoder.Decode(&routes)
if err != nil {
handleProcessRequestError(w, err, log)
return
}
log.Info("request", lager.Data{"route_creation": routes})
// set defaults
for i := 0; i < len(routes); i++ {
routes[i].SetDefaults(h.maxTTL)
}
apiErr := h.validator.ValidateCreate(routes, h.maxTTL)
if apiErr != nil {
handleApiError(w, apiErr, log)
return
}
for _, route := range routes {
err = h.db.SaveRoute(route)
if err != nil {
handleDBCommunicationError(w, err, log)
return
}
}
w.WriteHeader(http.StatusCreated)
}
func (h *RoutesHandler) Delete(w http.ResponseWriter, req *http.Request) {
log := h.logger.Session("delete-route")
err := h.uaaClient.ValidateToken(req.Header.Get("Authorization"), RoutingRoutesWriteScope)
if err != nil {
handleUnauthorizedError(w, err, log)
return
}
decoder := json.NewDecoder(req.Body)
var routes []models.Route
err = decoder.Decode(&routes)
if err != nil {
handleProcessRequestError(w, err, log)
return
}
log.Info("request", lager.Data{"route_deletion": routes})
apiErr := h.validator.ValidateDelete(routes)
if apiErr != nil {
handleApiError(w, apiErr, log)
return
}
for _, route := range routes {
err = h.db.DeleteRoute(route)
if err != nil {
if dberr, ok := err.(db.DBError); !ok || dberr.Type != db.KeyNotFound {
handleDBCommunicationError(w, err, log)
return
}
}
}
w.WriteHeader(http.StatusNoContent)
}