Merge pull request 'develop' (#5) from develop into main

Reviewed-on: #5

controllers/authentication.go

@@ -22,8 +22,6 @@ import (
 	"git.smarteching.com/goffee/cup/utils"
 	"github.com/google/uuid"
 	"gorm.io/gorm"
-
-	"git.smarteching.com/goffee/core/template/components"
 )
 
 func Signup(c *core.Context) *core.Response {
@@ -223,6 +221,12 @@ func Signin(c *core.Context) *core.Response {
 	userAgent := c.GetUserAgent()
 	hashedCacheKey := utils.CreateAuthTokenHashedCacheKey(user.ID, userAgent)
 	err = c.GetCache().Set(hashedCacheKey, token)
+
+	// delete data from old sessions
+	sessionKey := fmt.Sprintf("sess_%v", userAgent)
+	hashedSessionKey := utils.CreateAuthTokenHashedCacheKey(user.ID, sessionKey)
+	_ = c.GetCache().Delete(hashedSessionKey)
+
 	if err != nil {
 		c.GetLogger().Error(err.Error())
 		if TemplateEnable {
@@ -448,43 +452,3 @@ func Signout(c *core.Context) *core.Response {
 		"message": "signed out successfully",
 	}))
 }
-
-// Show basic app login
-func AppLogin(c *core.Context) *core.Response {
-
-	// first, include all compoments
-	// first, include all compoments
-	type templateData struct {
-		PageCard components.PageCard
-	}
-
-	// now fill data of the components
-	tmplData := templateData{
-		PageCard: components.PageCard{
-			CardTitle: "Card title",
-			CardBody:  "Loerm ipsum at deim",
-		},
-	}
-	return c.Response.Template("login.html", tmplData)
-}
-
-// Show basic app sample
-func AppSample(c *core.Context) *core.Response {
-
-	// first, include all compoments
-	type templateData struct {
-		PageCard components.PageCard
-	}
-
-	// now fill data of the components
-	tmplData := templateData{
-		PageCard: components.PageCard{
-			CardTitle: "Protected page",
-			CardBody:  "If you can see this page, your are loggedin",
-		},
-	}
-	//fmt.Printf("Outside cookie user is: %s", user.Email)
-
-	return c.Response.Template("app.html", tmplData)
-
-}

controllers/sample.go

@@ -5,8 +5,11 @@
 package controllers
 
 import (
+	"fmt"
+
 	"git.smarteching.com/goffee/core"
 	"git.smarteching.com/goffee/core/template/components"
+	"git.smarteching.com/goffee/cup/utils"
 )
 
 // Show basic template
@@ -28,3 +31,103 @@ func Sample(c *core.Context) *core.Response {
 	return c.Response.Template("basic.html", tmplData)
 
 }
+
+// Show basic app login
+func AppLogin(c *core.Context) *core.Response {
+
+	// first, include all compoments
+	// first, include all compoments
+	type templateData struct {
+		PageCard components.PageCard
+	}
+
+	// now fill data of the components
+	tmplData := templateData{
+		PageCard: components.PageCard{
+			CardTitle: "Card title",
+			CardBody:  "Loerm ipsum at deim",
+		},
+	}
+	return c.Response.Template("login.html", tmplData)
+}
+
+// Show basic app login
+func AppSession(c *core.Context) *core.Response {
+
+	var session = new(utils.SessionUser)
+
+	// true if session is active
+	hassession := session.Init(c)
+
+	//session.Set("numberdos", 66)
+
+	type templateData struct {
+		PageCard components.PageCard
+	}
+
+	// now fill data of the components
+	tmplData := templateData{}
+
+	if hassession {
+
+		sesiondata := ""
+		cardtitle := fmt.Sprintf("Session user id: %v", session.GetUserID())
+		numberdos, ok := session.Get("numberdos")
+
+		if numberdos != nil {
+			numberdos = numberdos.(float64) + 10
+		} else {
+			numberdos = 10
+		}
+
+		session.Set("numberdos", numberdos)
+
+		if ok {
+			sesiondata = fmt.Sprintf("OK, Session  numberdos has %v", numberdos)
+		} else {
+			sesiondata = fmt.Sprintf("No ok, session numberdos has %v", numberdos)
+		}
+
+		// delete single
+		//session.Delete("numberdos")
+
+		// delete all data
+		//session.Flush()
+
+		tmplData = templateData{
+			PageCard: components.PageCard{
+				CardTitle: cardtitle,
+				CardBody:  sesiondata,
+			},
+		}
+
+		return c.Response.Template("appsession.html", tmplData)
+
+	} else {
+
+		return c.Response.Template("login.html", tmplData)
+
+	}
+
+}
+
+// Show basic app sample
+func AppSample(c *core.Context) *core.Response {
+
+	// first, include all compoments
+	type templateData struct {
+		PageCard components.PageCard
+	}
+
+	// now fill data of the components
+	tmplData := templateData{
+		PageCard: components.PageCard{
+			CardTitle: "Protected page",
+			CardBody:  "If you can see this page, your are loggedin",
+		},
+	}
+	//fmt.Printf("Outside cookie user is: %s", user.Email)
+
+	return c.Response.Template("app.html", tmplData)
+
+}

controllers/themedemo.go

@@ -114,10 +114,10 @@ func Themeform(c *core.Context) *core.Response {
 		optionc.Value = "buenosaires"
 		optionc.Label = "Buenos Aires"
 		allOptionsc = append(allOptionsc, optionc)
-		optionc.ID = "sogas"
+		optionc.ID = "london"
-		optionc.Name = "sogas"
+		optionc.Name = "london"
-		optionc.Value = "Sogamoso"
+		optionc.Value = "london"
-		optionc.Label = "Sogamoso"
+		optionc.Label = "London"
 		//optionc.IsChecked = true
 		allOptionsc = append(allOptionsc, optionc)
 

routes.go

@@ -41,4 +41,7 @@ func registerRoutes() {
 
 	controller.Get("/applogin", controllers.AppLogin, hooks.CheckSessionCookie)
 	controller.Post("/applogin", controllers.AppLogin, hooks.CheckSessionCookie)
+
+	controller.Get("/appsession", controllers.AppSession)
+	controller.Post("/appsession", controllers.AppSession)
 }

storage/templates/appsession.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+  {{template "page_head" "Sample page test session vars"}}
+  <body>
+  <div class="container">
+    <div class="row">
+    {{template "page_card" .PageCard}}   
+    </div>
+  </div>
+  {{template "page_footer"}}
+  </body>
+</html>

utils/session.go

@@ -0,0 +1,170 @@
+// Copyright (c) 2024 Zeni Kim <zenik@smarteching.com>
+// Use of this source code is governed by MIT-style
+// license that can be found in the LICENSE file.
+
+package utils
+
+import (
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"encoding/json"
+
+	"git.smarteching.com/goffee/core"
+	"git.smarteching.com/goffee/cup/models"
+	"gorm.io/gorm"
+)
+
+type SessionUser struct {
+	mu               sync.RWMutex
+	context          *core.Context
+	userID           uint
+	hashedSessionKey string
+	authenticated    bool
+	sessionStart     time.Time
+	values           map[string]interface{}
+}
+
+// start the struct
+func (s *SessionUser) Init(c *core.Context) bool {
+
+	// check session cookie
+	pass := true
+	token := ""
+	s.context = c
+
+	payload := make(map[string]interface{})
+	// get cookie
+	usercookie, err := c.GetCookie()
+	if err != nil {
+
+	}
+
+	token = usercookie.Token
+
+	if token == "" {
+
+		pass = false
+
+	} else {
+
+		payload, err = c.GetJWT().DecodeToken(token)
+
+		if err != nil {
+
+			pass = false
+
+		} else {
+
+			userID := uint(c.CastToInt(payload["userID"]))
+			userAgent := c.GetUserAgent()
+
+			// get data from redis
+			hashedCacheKey := CreateAuthTokenHashedCacheKey(userID, userAgent)
+			cachedToken, err := c.GetCache().Get(hashedCacheKey)
+
+			if err != nil {
+				pass = false
+			} else if cachedToken != token {
+				pass = false
+			} else {
+				var user models.User
+				res := c.GetGorm().Where("id = ?", userID).First(&user)
+				if res.Error != nil && !errors.Is(res.Error, gorm.ErrRecordNotFound) {
+					pass = false
+				}
+				// if have session start the struct
+				if pass {
+					userAgent := c.GetUserAgent()
+					sessionKey := fmt.Sprintf("sess_%v", userAgent)
+					s.hashedSessionKey = CreateAuthTokenHashedCacheKey(userID, sessionKey)
+
+					s.values = make(map[string]interface{})
+					s.authenticated = true
+					s.userID = userID
+					value, _ := c.GetCache().Get(s.hashedSessionKey)
+
+					if len(value) > 0 {
+						_ = json.Unmarshal([]byte(value), &s.values)
+					}
+
+					return true
+
+				} else {
+
+					s.hashedSessionKey = ""
+					s.authenticated = false
+					s.userID = 0
+					return false
+				}
+			}
+		}
+	}
+
+	return false
+}
+
+func (s *SessionUser) Set(key string, value interface{}) error {
+	s.mu.Lock()
+	s.values[key] = value
+	s.mu.Unlock()
+	return s.Save()
+}
+
+func (s *SessionUser) Get(key string) (interface{}, bool) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	val, ok := s.values[key]
+	return val, ok
+}
+
+func (s *SessionUser) Delete(key string) interface{} {
+	s.mu.RLock()
+	v, ok := s.values[key]
+	s.mu.RUnlock()
+	if ok {
+		s.mu.Lock()
+		delete(s.values, key)
+		s.mu.Unlock()
+	}
+	s.Save()
+	return v
+}
+
+func (s *SessionUser) Flush() error {
+	s.mu.Lock()
+	s.context.GetCache().Delete(s.hashedSessionKey)
+	s.mu.Unlock()
+	return nil
+}
+
+func (s *SessionUser) Save() error {
+
+	var value string
+
+	s.mu.RLock()
+
+	if len(s.values) > 0 {
+		buf, err := json.Marshal(&s.values)
+		if err != nil {
+			s.mu.RUnlock()
+			return err
+		}
+		value = string(buf)
+	}
+
+	if len(value) > 0 {
+		s.context.GetCache().Set(s.hashedSessionKey, value)
+	} else {
+		s.context.GetCache().Delete(s.hashedSessionKey)
+	}
+	s.mu.RUnlock()
+	return nil
+}
+
+func (s *SessionUser) GetUserID() uint {
+
+	return s.userID
+}