06.03.2019

helpers/FileHelper.go

@@ -0,0 +1,11 @@
+package helpers
+
+import "io/ioutil"
+
+func LoadFile(fileName string) (string, error) {
+	bytes, err := ioutil.ReadFile(fileName)
+	if err != nil {
+		return "", err
+	}
+	return string(bytes), nil
+}

helpers/StringHelper.go

@@ -0,0 +1,9 @@
+package helpers
+
+func IsEmpty(data string) bool {
+	if len(data) <= 0 {
+		return true
+	} else {
+		return false
+	}
+}

main.go

@@ -10,15 +10,38 @@ import (
 	"git.wmi.amu.edu.pl/s439508/Pracownia.Programowania/models"
 	"github.com/go-martini/martini"
 	"github.com/martini-contrib/render"
+	"golang.org/x/crypto/bcrypt"
+	"github.com/satori/go.uuid"
 )
 
-func index(rend render.Render) {
+type user struct {
+	UserName string
+	Password []byte
+	First    string
+	Last     string
+}
+
+var tpl *template.Template
+var dbUsers = map[string]user{}      // user ID, user
+var dbSessions = map[string]string{} // session ID, user ID
+
+func init() {
+	tpl = template.Must(template.ParseGlob("templates/*"))
+	bs, _ := bcrypt.GenerateFromPassword([]byte("password"), bcrypt.MinCost)
+	dbUsers["test@test.com"] = user{"test@test.com", bs, "James", "Bond"}
+}
+
+func index1(rend render.Render, w http.ResponseWriter, req *http.Request) {
+	if !alreadyLoggedIn(req) {
+		http.Redirect(w, req, "/", http.StatusSeeOther)
+		return
+	}
 	posts, err := models.Posts.FindAll()
 	if err != nil {
 		rend.Error(http.StatusBadRequest)
 		return
 	}
-	rend.HTML(http.StatusOK, "index", posts)
+	rend.HTML(http.StatusOK, "index1", posts)
 
 }
 
@@ -61,7 +84,7 @@ func savePost(rend render.Render, w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	rend.Redirect("/")
+	rend.Redirect("/index1")
 }
 
 func deletePost(rend render.Render, w http.ResponseWriter, r *http.Request, params martini.Params) {
@@ -70,7 +93,7 @@ func deletePost(rend render.Render, w http.ResponseWriter, r *http.Request, para
 		return
 	}
 
-	rend.Redirect("/")
+	rend.Redirect("/index1")
 }
 
 func getHtmlPost(rend render.Render, w http.ResponseWriter, r *http.Request) {
@@ -80,8 +103,115 @@ func getHtmlPost(rend render.Render, w http.ResponseWriter, r *http.Request) {
 	})
 }
 
-func login(rend render.Render) {
+func index(w http.ResponseWriter, req *http.Request) {
-	rend.HTML(http.StatusOK, "login", &models.Post{})
+	u := getUser(w, req)
+	tpl.ExecuteTemplate(w, "index.html", u)
+}
+
+func login(w http.ResponseWriter, req *http.Request) {
+	if alreadyLoggedIn(req) {
+		http.Redirect(w, req, "/index1", http.StatusSeeOther)
+		return
+	}
+	var u user
+	// process form submission
+	if req.Method == http.MethodPost {
+		un := req.FormValue("username")
+		p := req.FormValue("password")
+		// is there a username?
+		u, ok := dbUsers[un]
+		if !ok {
+			http.Error(w, "NIEUDANA PRÓBA LOGOWANIA, SPRAWDŹ CZY HASŁO I LOGIN SĄ POPRAWNĘ, JEŚLI NIE MASZ JESZCZE KONTA ZAŁÓŻ JE", http.StatusForbidden)
+			return
+		}
+		// does the entered password match the stored password?
+		err := bcrypt.CompareHashAndPassword(u.Password, []byte(p))
+		if err != nil {
+			http.Error(w, "NIEUDANA PRÓBA LOGOWANIA, SPRAWDŹ CZY HASŁO I LOGIN SĄ POPRAWNĘ, JEŚLI NIE MASZ JESZCZE KONTA ZAŁÓŻ JE ", http.StatusForbidden)
+			return
+		}
+		// create session
+		sID, _ := uuid.NewV4()
+		c := &http.Cookie{
+			Name:  "session",
+			Value: sID.String(),
+		}
+		http.SetCookie(w, c)
+		dbSessions[c.Value] = un
+		http.Redirect(w, req, "/index1", http.StatusSeeOther)
+		return
+	}
+
+	tpl.ExecuteTemplate(w, "login.html", u)
+}
+
+func signup(w http.ResponseWriter, req *http.Request) {
+	if alreadyLoggedIn(req) {
+		http.Redirect(w, req, "/index1", http.StatusSeeOther)
+		return
+	}
+	var u user
+	// process form submission
+	if req.Method == http.MethodPost {
+		// get form values
+		un := req.FormValue("username")
+		p := req.FormValue("password")
+		f := req.FormValue("firstname")
+		l := req.FormValue("lastname")
+		// username taken?
+		if _, ok := dbUsers[un]; ok {
+			http.Error(w, "Username already taken", http.StatusForbidden)
+			return
+		}
+		// create session
+		sID, _ := uuid.NewV4()
+		c := &http.Cookie{
+			Name:  "session",
+			Value: sID.String(),
+		}
+		http.SetCookie(w, c)
+		dbSessions[c.Value] = un
+		// store user in dbUsers
+		bs, err := bcrypt.GenerateFromPassword([]byte(p), bcrypt.MinCost)
+		if err != nil {
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+		u = user{un, bs, f, l}
+		dbUsers[un] = u
+		// redirect
+		http.Redirect(w, req, "/index1", http.StatusSeeOther)
+		return
+	}
+	tpl.ExecuteTemplate(w, "signup.html", u)
+}
+
+func bar(w http.ResponseWriter, req *http.Request) {
+	u := getUser(w, req)
+	if !alreadyLoggedIn(req) {
+		http.Redirect(w, req, "/", http.StatusSeeOther)
+		return
+	}
+	tpl.ExecuteTemplate(w, "bar.html", u)
+}
+
+func logout(w http.ResponseWriter, req *http.Request) {
+	if !alreadyLoggedIn(req) {
+		http.Redirect(w, req, "/", http.StatusSeeOther)
+		return
+	}
+	c, _ := req.Cookie("session")
+	// delete the session
+	delete(dbSessions, c.Value)
+	// remove the cookie
+	c = &http.Cookie{
+		Name:   "session",
+		Value:  "",
+		MaxAge: -1,
+	}
+	http.SetCookie(w, c)
+
+	http.Redirect(w, req, "/login", http.StatusSeeOther)
 }
 
 func unescape(s string) interface{} {
@@ -107,13 +237,22 @@ func main() {
 
 	staticOptions := martini.StaticOptions{Prefix: "bower_components"}
 	m.Use(martini.Static("bower_components", staticOptions))
-	m.Get("/", index)
+	m.Get("/index1", index1)
+	m.Post("/index1", index1)
 	m.Get("/write", write)
+	m.Get("/", index)
 	m.Get("/login", login)
+	m.Post("/login", login)
+	m.Get("/signup", signup)
+	m.Post("/signup", signup)
+	m.Get("/bar", bar)
 	m.Get("/edit/:id", edit)
 	m.Post("/savePost", savePost)
 	m.Get("/deletePost/:id", deletePost)
 	m.Post("/getHtml", getHtmlPost)
+	m.Post("/logout", logout)
+	m.Get("/logout", logout)
+	http.Handle("/favicon.ico", http.NotFoundHandler())
 
 	m.Run()
 }

session.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"github.com/satori/go.uuid"
+	"net/http"
+)
+
+func getUser(w http.ResponseWriter, req *http.Request) user {
+	// get cookie
+	c, err := req.Cookie("session")
+	if err != nil {
+		sID, _ := uuid.NewV4()
+		c = &http.Cookie{
+			Name:  "session",
+			Value: sID.String(),
+		}
+
+	}
+	http.SetCookie(w, c)
+
+	// if the user exists already, get user
+	var u user
+	if un, ok := dbSessions[c.Value]; ok {
+		u = dbUsers[un]
+	}
+	return u
+}
+
+func alreadyLoggedIn(req *http.Request) bool {
+	c, err := req.Cookie("session")
+	if err != nil {
+		return false
+	}
+	un := dbSessions[c.Value]
+	_, ok := dbUsers[un]
+	return ok
+}

templates/bar.html

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>BAR</title>
+</head>
+<body>
+
+<h1>Welcome to the bar. What can I get you to drink?</h1>
+
+{{if .First}}
+USER NAME {{.UserName}}<br>
+
+<h2><a href="/logout">log out</a></h2>
+{{end}}
+
+</body>
+</html>

templates/index.html

@@ -0,0 +1,42 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <link rel="Stylesheet" href="style.css">
+    <title>Document</title>
+    <style>
+        h2         
+        { color: red }
+        .container 
+        {
+         width: 200px;
+         height: 200px;
+         background-color: blue;
+        }
+        
+        
+
+    </style>
+</head>
+<body>
+
+        <div class="container">Witaj na Blogu</a></div>
+
+{{if .First}}
+USER NAME {{.UserName}}<br>
+PASSWORD {{.Password}}<br>
+FIRST {{.First}}<br>
+LAST {{.Last}}<br>
+<h2><a href="/logout">log out</a></h2>
+{{else}}
+<h2><a href="/signup">sign up</a></h2>
+<h2><a href="/login">log in</a></h2>
+{{end}}
+
+
+
+<br>
+
+
+</body>
+</html>

templates/login.html

@@ -0,0 +1,97 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+    <link rel="Stylesheet" href="style.css">
+    <title>Document</title>
+    <style>
+    
+body{
+    background-color:  rgb(197, 207, 224);
+}
+
+#panel {
+width: 400px; 
+margin: 0 auto; 
+padding: 15px 0 0;
+background: rgb(169, 176, 187);
+border: 1px solid silver;
+font: 16px calibri;
+letter-spacing: -1px;
+-webkit-box-shadow: 0 0 2px silver; 
+-moz-box-shadow: 0 0 2px silver; 
+box-shadow: 0 0 2px silver;
+}
+form {
+margin: 0;
+}
+input {
+display: block;
+width: 260px;
+padding: 10px 20px;
+color: #696969;
+font-size: 16px;
+text-shadow: 0 0 1px silver;
+} 
+#username, #password {
+display: block;
+width: 360px; 
+margin: 0 auto;
+padding: 10px 5px;
+border: 1px solid silver;
+outline: 5px solid #ebebeb;
+font-size: 22px;
+}
+#username:focus, #password:focus {
+outline: 5px solid #e5f2f8;
+}       
+input[type="submit"] {
+width: 70px;
+padding: 5px 13px;
+border: 1px solid #005f85;
+color: white;
+text-shadow: 0 0 1px black;
+background: #98c9dc;
+position: static;
+left: 180px;
+}
+
+#panel, input[type="submit"] {
+    -webkit-border-radius: 5px; 
+    -moz-border-radius: 5px; 
+    border-radius: 5px; 
+}
+.sig {
+display: block;
+width: 260px;
+padding: 10px 20px;
+color: #696969;
+font-size: 32px;
+text-shadow: 0 0 1px silver;
+text-decoration: none;
+} 
+a:link { color: #696; text-decoration: none; background-color: transparent }
+a:visited { color: rgb(29, 29, 39); text-decoration: none; background-color: transparent }
+a:hover { color: rgb(70, 110, 155); text-decoration: none; background-color: transparent }
+a:active { color: #900; text-decoration: underline; background-color: transparent }
+
+        
+
+</style>
+
+</head>
+<body c red;>
+
+<div id="panel">
+<h1>LOGIN</h1>
+<form method="post">
+    <input type="text" name="username" placeholder="email">
+    <input type="password" name="password" placeholder="password">
+    <input type="submit">
+</form>
+<h2><span class="sig"><a href="/signup">Zarejestruj Się</a></span></h2>
+
+</body>
+</div>
+</html>

templates/signup.html

@@ -0,0 +1,20 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+</head>
+<body>
+
+<form method="post">
+
+    <input type="email" name="username" placeholder="email"><br>
+    <input type="password" name="password" placeholder="password"><br>
+    <input type="text" name="firstname" placeholder="first name"><br>
+    <input type="text" name="lastname" placeholder="last name"><br>
+    <input type="submit">
+
+</form>
+
+</body>
+</html>

templates/style.css

@@ -0,0 +1,15 @@
+body {
+	font-family: Verdana, Arial, Helvetica, sans-serif;
+	font-size: 10pt;
+	color: #003868;
+	background-color: #80B8E8;
+	margin: 6mm;
+}
+
+p {
+	text-align: justify;
+}
+
+pre, code {
+	font-size: 8pt;
+}

views/bar.html

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>BAR</title>
+</head>
+<body>
+
+<h1>Welcome to the bar. What can I get you to drink?</h1>
+
+{{if .First}}
+USER NAME {{.UserName}}<br>
+
+<h2><a href="/logout">log out</a></h2>
+{{end}}
+
+</body>
+</html>

views/index.html

@@ -1,38 +1,24 @@
-{{ range $key, $value := . }}
+<!doctype html>
-<div class="row">
+<html lang="en">
-    <div class="col-xs-2"></div>
+<head>
-    <div class="col-xs-8">
+    <meta charset="UTF-8">
-        <h1><a href ="/edit/{{$value.Id}}">{{ $value.Title }}</a></h1>
+    <title>Document</title>
-    </div>
+</head>
-    <div class="col-xs-2"></div>
+<body>
-</div>
 
-<div class="row">
+{{if .First}}
-        <div class="col-xs-2">
+USER NAME {{.UserName}}<br>
-            
+PASSWORD {{.Password}}<br>
-        </div>
+FIRST {{.First}}<br>
-        <div class="col-xs-8">
+LAST {{.Last}}<br>
-            {{ $value.ContentHtml | unescape }}
+<h2><a href="/logout">log out</a></h2>
-           
+{{else}}
-
+<h2><a href="/signup">sign up</a></h2>
-            <div class="col-xs-8">
+<h2><a href="/login">log in</a></h2>
-                    <br/><br/>Komentarz
-                    <fieldset style="border: 2px solid; width: 450px; height: 160px; padding: 3;">{{ $value.ContentCom | unescape }}</fieldset>
-                <form action="/createCom" method="POST" role="form"></form>
-                    <input type="hidden" name="id" value="{{.Id}}"/>
-                    <div class="form-group">
-                    </div>
-                    
-                </form>
-            </div>
-            
-        </div>
-
-        
-       
-        
-
-        <div class="col-xs-2"></div>
-</div>
 {{end}}
 
+<br>
+<h2>Go to <a href="/bar">the bar</a></h2>
+
+</body>
+</html>

views/index1.html

@@ -0,0 +1,37 @@
+{{ range $key, $value := . }}
+<div class="row">
+    <div class="col-xs-2"></div>
+    <div class="col-xs-8">
+        <h1><a href ="/edit/{{$value.Id}}">{{ $value.Title }}</a></h1>
+    </div>
+    <div class="col-xs-2"></div>
+</div>
+
+<div class="row">
+        <div class="col-xs-2">
+            
+        </div>
+        <div class="col-xs-8">
+            {{ $value.ContentHtml | unescape }}
+           
+
+            <div class="col-xs-8">
+                    <br/><br/>Komentarz
+                    <fieldset style="border: 2px solid; width: 450px; height: 160px; padding: 3;">{{ $value.ContentCom | unescape }}</fieldset>
+                <form action="/createCom" method="POST" role="form"></form>
+                    <input type="hidden" name="id" value="{{.Id}}"/>
+                    <div class="form-group">
+                    </div>
+                    
+                </form>
+            </div>
+            
+        </div>
+
+        
+
+
+        <div class="col-xs-2"></div>
+</div>
+{{end}}
+

views/layout.html

@@ -17,13 +17,19 @@
                     <span class="icon-bar"></span>
                     <span class="icon-bar"></span>
             </button>
-            <a class="navbar-brand" href="/">GO BLOG</a>
+            <a class="navbar-brand" href="/index1">GO BLOG</a>
         </div>
          <div class="collapse navbar-collapse">
             <ul class="nav navbar-nav">
-              <li class="active"><a href="/">Strona Głowna</a></li>
+              <li class="active"><a href="/index1">Strona Głowna</a></li>
               <li><a href="/write">Nowy Post</a></li>
             </ul>
+            <ul class="nav navbar-nav">
+                <li class="active"><a href="/logout">Wyloguj</a></li>
+                <li><a href="/write">sad</a></li>
+              </ul>
+              
+              
         </div>
         </div>
     </div>

views/log.html

@@ -1,8 +0,0 @@
-<div class="log-form">
-      <h1>Index</h1>
-      <hr>
-      <small>User: %s</small>
-      <form method="post" action="/logout">
-      <button type="submit">Logout</button>
-      </form>
-</div>

views/login.html

@@ -1,10 +1,18 @@
-<div class="log-form">
+<!doctype html>
-        <h2>Login to your account</h2>
+<html lang="en">
-        <form method="post" action="/login">
+<head>
-        <label for="name">User name</label>
+    <meta charset="UTF-8">
-        <input type="text" id="name" name="name"> <br />
+    <title>Document</title>
-        <label for="password">Password</label>
+</head>
-        <input type="password" id="password" name="password"> <br />
+<body>
-        <button type="submit">Login</button>
+
-        </form>
+<h1>LOGIN</h1>
-</div>
+<form method="post" action="/index1">
+    <input type="text" name="username" placeholder="email">
+    <input type="password" name="password" placeholder="password">
+    <input type="submit">
+</form>
+<h2><a href="/signup">signup</a></h2>
+
+</body>
+</html>

views/register.html

@@ -1,22 +0,0 @@
-<div class="container">
-    <h1>Register</h1>
-    <hr>
-    <small>This is register page</small>
-    <form method="post" action="/register">
-
-    <label for="name">Username</label>
-    <input type="text" id="username" name="username"> <br />
-
-    <label for="name">Email</label>
-    <input type="text" id="email" name="email"> <br />
-
-    <label for="password">password</label>
-    <input type="password" id="password" name="password"> <br />
-
-    <label for="ConfirmPassword">Confirm Password</label>
-    <input type="password" id="ConfirmPassword" name="ConfirmPassword"> <br />
-
-    <button type="submit">Register</button>
-
-    </form>
-</div>

views/signup.html

@@ -0,0 +1,20 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+</head>
+<body>
+
+<form method="post" action="/index1">
+
+    <input type="email" name="username" placeholder="email"><br>
+    <input type="text" name="password" placeholder="password"><br>
+    <input type="text" name="firstname" placeholder="first name"><br>
+    <input type="text" name="lastname" placeholder="last name"><br>
+    <input type="submit">
+
+</form>
+
+</body>
+</html>