You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.3 KiB
87 lines
2.3 KiB
// Package handlers provides the http functionality for the URL Shortener
|
|
package handlers
|
|
|
|
import (
|
|
"html/template"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/gin-gonic/contrib/ginrus"
|
|
"github.com/spf13/viper"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/maxibanki/golang-url-shortener/handlers/tmpls"
|
|
"github.com/maxibanki/golang-url-shortener/store"
|
|
"github.com/maxibanki/golang-url-shortener/util"
|
|
"github.com/pkg/errors"
|
|
"github.com/sirupsen/logrus"
|
|
"golang.org/x/oauth2"
|
|
)
|
|
|
|
// Handler holds the funcs and attributes for the
|
|
// http communication
|
|
type Handler struct {
|
|
store store.Store
|
|
engine *gin.Engine
|
|
oAuthConf *oauth2.Config
|
|
log *logrus.Logger
|
|
}
|
|
|
|
// New initializes the http handlers
|
|
func New(store store.Store, log *logrus.Logger, testing bool) (*Handler, error) {
|
|
if !viper.GetBool("General.EnableDebugMode") {
|
|
gin.SetMode(gin.ReleaseMode)
|
|
}
|
|
h := &Handler{
|
|
store: store,
|
|
log: log,
|
|
engine: gin.New(),
|
|
}
|
|
if err := h.setHandlers(); err != nil {
|
|
return nil, errors.Wrap(err, "could not set handlers")
|
|
}
|
|
if !testing {
|
|
if err := util.CheckForPrivateKey(); err != nil {
|
|
return nil, errors.Wrap(err, "could not check for privat key")
|
|
}
|
|
}
|
|
h.initOAuth()
|
|
return h, nil
|
|
}
|
|
|
|
func (h *Handler) setTemplateFromFS(name string) error {
|
|
tokenTemplate, err := tmpls.FSString(false, "/"+name)
|
|
if err != nil {
|
|
return errors.Wrap(err, "could not read token template file")
|
|
}
|
|
templ, err := template.New(name).Funcs(h.engine.FuncMap).Parse(tokenTemplate)
|
|
if err != nil {
|
|
return errors.Wrap(err, "could not create template from file content")
|
|
}
|
|
h.engine.SetHTMLTemplate(templ)
|
|
return nil
|
|
}
|
|
|
|
func (h *Handler) setHandlers() error {
|
|
if err := h.setTemplateFromFS("token.tmpl"); err != nil {
|
|
return errors.Wrap(err, "could not set template from FS")
|
|
}
|
|
h.engine.Use(ginrus.Ginrus(h.log, time.RFC3339, false))
|
|
protected := h.engine.Group("/api/v1/protected")
|
|
protected.Use(h.authMiddleware)
|
|
protected.POST("/create", h.handleCreate)
|
|
protected.POST("/lookup", h.handleLookup)
|
|
|
|
h.engine.NoRoute(h.handleAccess, gin.WrapH(http.FileServer(FS(false))))
|
|
return nil
|
|
}
|
|
|
|
// Listen starts the http server
|
|
func (h *Handler) Listen() error {
|
|
return h.engine.Run(viper.GetString("http.ListenAddr"))
|
|
}
|
|
|
|
// CloseStore stops the http server and the closes the db gracefully
|
|
func (h *Handler) CloseStore() error {
|
|
return h.store.Close()
|
|
}
|
|
|