Warning: file_get_contents(/data/phpspider/zhask/data//catemap/6/asp.net-mvc-3/4.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Python 如何使用flask login\u required decorator控制多个登录(如管理员登录和普通登录)_Python_Flask_Login Required - Fatal编程技术网

Python 如何使用flask login\u required decorator控制多个登录(如管理员登录和普通登录)

Python 如何使用flask login\u required decorator控制多个登录(如管理员登录和普通登录),python,flask,login-required,Python,Flask,Login Required,我想在flask中使用login_required decorator控制多个登录。在我的项目中,我只希望管理员能够添加文章,注册用户能够发表评论。我对未注册用户隐藏了注销页面和个人资料页面,但无法对注册用户隐藏添加文章页面如何解决此问题 from flask import Flask,render_template,flash,redirect,url_for,session,logging,request from flask_mysqldb import MySQL from wtform

我想在flask中使用login_required decorator控制多个登录。在我的项目中,我只希望管理员能够添加文章,注册用户能够发表评论。我对未注册用户隐藏了注销页面和个人资料页面,但无法对注册用户隐藏添加文章页面如何解决此问题

from flask import Flask,render_template,flash,redirect,url_for,session,logging,request
from flask_mysqldb import MySQL
from wtforms import Form,StringField,TextAreaField,PasswordField,validators
import email_validator
from passlib.hash import pbkdf2_sha256
from functools import wraps

def login_required(f):
    @wraps(f)
    def decorated_function(*args, **kwargs):
        if "logged_in" in session:
            return f(*args, **kwargs)
        else:
            flash("Bu Sayfayı Görüntülemek İçin Giriş Yapmalısınız","danger")
            return redirect(location=(url_for("login")))
    return decorated_function

@app.before_request
def before_request_func():
    

class RegisterForm(Form):
    name = StringField("İsim Soyisim", validators=[validators.Length(min=4,message="En az 4 karakter uzunluğunda bir girdi giriniz"),validators.DataRequired()])
    user_name = StringField("Kullanıcı Adı", validators=[validators.Length(min=4,message="En az 4 karakter uzunluğunda bir girdi giriniz"),validators.DataRequired()])
    email = StringField("Email Adresi", validators=[validators.Length(min=4,message="En az 4 karakter uzunluğunda bir girdi giriniz"),validators.DataRequired(),validators.Email(message="Lütfen Geçerli Bir Email Giriniz")])
    password = PasswordField("Şifre",validators=[validators.DataRequired("Lütfen Bir Parola Belirleyin"),validators.EqualTo(fieldname="confirm",message="Parolanız Uyuşmuyor")])
    confirm = PasswordField("Parola Doğrula")

class LoginForm(Form):
    email = StringField("Email Adresi",validators=[validators.DataRequired(message="Lütfen Emailinizi Giriniz")])
    password = PasswordField("Şifre",validators=[validators.DataRequired(message="Lütfen Şifrenizi Giriniz")])

app =  Flask(__name__)

mysql = MySQL(app)

app.secret_key = "furkanselek"
app.config["MYSQL_DATABASE_HOST"] = "localhost"
app.config["MYSQL_DATABASE_USER"] = "root"
app.config["MYSQL_DATABASE_PASSWORD"] = ""
app.config["MYSQL_DB"] = "furkanselek"
app.config['MYSQL_CURSORCLASS'] = "DictCursor"
app.config["MYSQL_DATABASE_PORT"] = "3306"


@app.route("/")
def index():
    return render_template("index.html")
@app.route("/about")
def about():
    return render_template("about.html")
@app.route("/register",methods=["GET","POST"])
def register():
    form = RegisterForm(request.form)
    if request.method == "POST" and form.validate():
        name = form.name.data
        username = form.user_name.data
        email = form.email.data
        password = pbkdf2_sha256.encrypt(form.password.data)
        cursor = mysql.connection.cursor()
        sorgu = ("Insert into users (name,email,username,password) VALUES(%s,%s,%s,%s)")
        cursor.execute(sorgu,(name,email,username,password))
        mysql.connection.commit()
        cursor.close()
        flash("Başarıyla Kayıt Oldunuz",category="warning")
        return redirect(location =(url_for("login")))
    else:
        return render_template("register.html",form= form)
@app.route("/login",methods=["GET","POST"])
def login():
    form = LoginForm(request.form)
    if request.method == "POST" and form.validate():
        email = form.email.data
        password_entered = form.password.data
        cursor = mysql.connection.cursor()
        query = ("SELECT * FROM users WHERE email = %s")
        result = cursor.execute(query,(email,))
        if result > 0:
            data = cursor.fetchone()
            username = data["username"]
            password = data["password"]
            if pbkdf2_sha256.verify(password_entered,password):
                flash("Başarıyla Giriş Yaptınız",category="warning")
                if username == "maxkonrad":
                    session["admin"] = True
                    session["logged_in"] = True
                    session["username"] = username
                    return redirect(location=(url_for("index")))
                else:
                    session["logged_in"] = True
                    session["username"] = username 
                    return redirect(location=(url_for("index")))
            else:
                flash("Parolanızı Yanlış Girdiniz",category="warning")
                return redirect(location=(url_for("login")))
        else:
            flash("Bu Email ile Kayıt Olmuş Bir Kullanıcı Yok")
            return redirect(location=(url_for("login")))
    else:
        return render_template("login.html",form= form)
@app.route("/logout")
@login_required
def logout():
    session.clear()
    return redirect(location=(url_for("index")))
@app.route("/addarticle",methods=["GET","POST"])
def addarticle():
    return render_template("addarticle.html")

@app.route("/profile")
@login_required
def profile():
    return render_template("profile.html")
if __name__ == "__main__":
    app.run(debug=True)
在被接受的答案似乎正在使用,但是,你也可以这样做,似乎更积极地维护。有一个单独的app.py文件。该应用程序提供了两个角色(管理员和管理员)以及三个路由,用于演示用户提供的身份验证和基于角色的基本授权。它们是不言自明的:

# The Home page is accessible to anyone
@app.route('/')
def home_page():

# The Members page is only accessible to authenticated users
@app.route('/members')
@login_required    # Use of @login_required decorator
def member_page():

# The Admin page requires an 'Admin' role.
@app.route('/admin')
@roles_required('Admin')    # Use of @roles_required decorator
def admin_page():
Flask用户还可以用于执行更复杂的授权形式。您可以创建更多角色,然后授权路由,以仅允许用户在具有该角色和/或其他角色时访问。例如,您可以设置管理员、教师和学生角色。然后根据这些角色和/或角色组合改变可访问性。这里有几个例子:

@admin_blueprint.route('/admin/teacher_or_admin')
@roles_required(['admin', 'teacher'])  # requires admin OR teacher role
def admin_teacher_or_admin():
    return "You have the right roles to access this page - it requires admin OR teacher roles"

@admin_blueprint.route('/admin/teacher_and_admin')
@roles_required('admin','teacher')  # requires admin AND teacher roles
def admin_teacher_and_admin():
    return "You have the right roles to access this view"

@admin_blueprint.route('/admin/student')
@roles_required('student')  
def admin_student():
    return "You have the right roles to access this page - requires student role"
虽然不像上面的基本用户应用程序那样是一个单一的文件,但此repo演示了这些更高级的用户授权功能: