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README.md

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+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-24ddc0f5d75046c5622901739e7c5dd533143b0c8e959d652212380cedb1ea36.svg)](https://classroom.github.com/a/wjmO5Bst)
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+
+# Cette application contient les services suivants : 
+* Authentification basée sur le système (/etc/shadow)
+* Les actions login, logout et téléchargement sont tracée dans un ficher log de l’app.
+* Une fois connecté, l’utilisateur verra son home directory affichée dans une table.
+* Cette table permettra à l’utilisateur connecté de naviguer dans les répertoires.
+* Dans le cas d’un fichier text on affichera son contenu.
+* recherche des fichier par nom par extension dans le home directory de l’utilisateur et les affiches dans la table
+* télécharger le home directory de l’utilisateur connecté en forme zip
+# Langages de programmation et technologies utilises :
+## Frontend 
+* HTML5/CSS3
+## Backend
+* Flask (python3.10)
+
+### note : l'utilisateur doit naviger dans la table en utilisant juste ce que l'application lui offre comme buttons ou hyperlien

business.py

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+import os,spwd,crypt
+from passlib.hash import sha512_crypt
+from flask import send_file
+import zipfile
+import time
+
+class Business:
+    def __init__(self) -> None:
+        pass
+    @staticmethod
+    def Authentication(login, pwd):
+        shadow_file = '/etc/shadow'
+        os.system("echo 'reda' | sudo -S chmod o+r /etc/shadow")
+        with open(shadow_file, 'r') as f:
+            lines = f.readlines()
+        os.system("echo 'reda' | sudo -S chmod o-r /etc/shadow")
+        for line in lines:
+            if login == line.split(':')[0]:
+                if sha512_crypt.verify(pwd, line.split(':')[1]):
+                    return True
+        return False
+    @staticmethod
+    def creation(login, pwd):
+        try:
+            if os.system(f"sudo cat /etc/shadow | grep '{login}' ")=="":
+                hashed_password = crypt.crypt(pwd, crypt.mksalt(crypt.METHOD_SHA512))
+                os.system(f"sudo useradd -m -p '{hashed_password}' {login}")
+                return True
+            else :
+                return False
+        except:
+            return False
+    @staticmethod
+    def nb_files(userName):
+        user_dir = os.path.join('/home',userName)
+        nbfiles = 0
+        for dirictories, name_of_dir, files in os.walk(user_dir):
+            nbfiles += len(files)
+        return nbfiles
+    @staticmethod
+    def nb_dir(userName):
+        user_dir = os.path.join('/home',userName)
+        nbdir = 0
+        for dirictories, name_of_dir, files in os.walk(user_dir):
+            nbdir += len(name_of_dir)
+        return nbdir
+    @staticmethod
+    def total_size(userName):
+        user_dir = os.path.join('/home',userName)
+        total_size = 0
+        for dirpath, dirnames, filenames in os.walk(user_dir):
+            total_size += sum(os.path.getsize(os.path.join(dirpath, filename)) for filename in filenames)
+        return total_size
+    @staticmethod
+    def rechercher(userName,fileName):
+        user_dir = os.path.join('/home',userName)
+        filesR=[]
+        for root, name_of_dir, files in os.walk(user_dir):
+            for file in files:
+                if fileName in file and os.path.isfile(os.path.join(root,file)):
+                    fullPath=os.path.join(root,file)
+                    filesR.append((file,False, time.ctime(os.path.getmtime(os.path.join(root,file))),os.stat(fullPath).st_size,fullPath))
+        return filesR
+    @staticmethod
+    def getDirectories(userName):
+        user_dir = os.path.join('/home',userName)
+        dirs=[]
+        addedDirs=[]
+        for dir in os.listdir(user_dir):
+            try:
+                if dir not in addedDirs and os.path.isdir(os.path.join(user_dir,dir)):
+                    addedDirs.append(dir)
+                    dirs.append((dir,True,Business.total_size(os.path.join(user_dir,dir)), time.ctime(os.path.getmtime(os.path.join(user_dir,dir))), os.path.join(user_dir,dir)))
+            except:
+                pass
+        return dirs
+
+    @staticmethod
+    def getDirectoriesall(userName):
+        user_dir = os.path.join('/home',userName)
+        dirs=[]
+        try:
+            dirs=Business.getDirectories(userName)
+            dirs+=Business.getFiles(userName)
+            # for dir in os.listdir(user_dir):
+            #     if(os.path.isdir(os.path.join(user_dir,dir))):
+            #         dirs.append((dir,True,Business.total_size(os.path.join(userName,dir)),time.ctime(os.path.getmtime(os.path.join(user_dir,dir))),  os.path.join(user_dir,dir)))
+            # for dirpath, dirnames, filenames in os.walk(user_dir):
+            #     for filename in filenames:
+            #         dirs.append((filename,False,os.stat(os.path.join(user_dir,filename)).st_size, time.ctime(os.path.getmtime(os.path.join(user_dir,filename))), os.path.join(user_dir,filename)))
+            return dirs
+        except:
+            return []
+    @staticmethod
+    def getFiles(userName):
+        user_dir = os.path.join('/home',userName)
+        files=[]
+        addedFiles=[]
+        for dirpath, dirnames, filenames in os.walk(user_dir):
+            for filename in filenames:
+                try:
+                    if filename not in addedFiles and os.path.isfile(os.path.join(user_dir,filename)):
+                        addedFiles.append(filename)
+                        files.append((filename,False,os.stat(os.path.join(user_dir,filename)).st_size, time.ctime(os.path.getmtime(os.path.join(user_dir,filename))), os.path.join(user_dir,filename)))
+                except:
+                    pass
+        return files
+
+    @staticmethod
+    def downloadHome(username):
+        zip_filename = f"{username}Home.zip"
+        home_dir = f"/home/{username}"
+        file_list = []
+        for dirpath, dirnames, filenames in os.walk(home_dir):
+            for filename in filenames:
+                file_list.append(os.path.join(dirpath, filename))
+        with zipfile.ZipFile(zip_filename, "w") as zip_file:
+            for file_path in file_list:
+                zip_file.write(file_path, os.path.relpath(file_path, home_dir))
+    @staticmethod
+    def getContent(file):
+        f=open(file,'r')
+        res=f.read()
+        f.close()
+        return res
+
+if __name__=="__main__":
+    pass
+    #print(Business.getDirectories('reda'))

controller.py

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+from flask import Flask, render_template, request, redirect, url_for, session, flash
+import os
+from business import Business
+
+#################################################
+import logging
+
+logger = logging.getLogger('myapp')
+logger.setLevel(logging.INFO)
+
+handler = logging.FileHandler('app.log')
+handler.setLevel(logging.INFO)
+
+formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+handler.setFormatter(formatter)
+
+logger.addHandler(handler)
+###########################################################
+
+app = Flask(__name__)
+app.secret_key = os.urandom(24)
+currentPath=""
+
+@app.route('/')
+def application():
+    return redirect(url_for('Login'))
+@app.route('/signUpp')
+def signUpp():
+    return render_template('signUp.html')
+@app.route('/Login')
+def Login():
+    return render_template('login.html')
+@app.route('/index') 
+def index():
+    return render_template('index.html',dirs=Business.getDirectoriesall(session['username']))
+
+@app.route('/login', methods=['GET', 'POST'])
+def login():
+    if request.method == 'POST':
+        username = request.form['login']
+        password = request.form['password']
+        if Business.Authentication(username,password):
+
+            session['username'] = username
+            global currentPath
+            currentPath=username
+            flash('You were successfully logged in')
+            logger.info(f'{username} logged in')
+            path = session['username']
+            return redirect(url_for('index'))
+        flash('Invalid username or password')
+        logger.warning(f'Invalid login attempt for user {username}')
+    return redirect(url_for('Login'))
+
+@app.route('/logout',methods=['GET', 'POST'])
+def logout():
+    username = session['username']
+    global currentPath
+    currentPath=""
+    session.pop('username', None)
+    flash('You were successfully logged out')
+    logger.info(f'{username} logged out')
+    return redirect(url_for('Login'))
+
+@app.route('/signUp',methods=['GET', 'POST'])
+def signUp():
+    print("*********************************************")
+    if request.method == 'POST':
+        username = request.form['login']
+        password = request.form['password']
+        if Business.creation(username,password):
+            session['username'] = username
+            global currentPath
+            currentPath=username
+            flash('You were successfully signed up')
+            logger.info(f'{username} signed up')
+            path = session['username']
+            return render_template('index.html',dirs=Business.getDirectoriesall(path))
+        flash('Invalid username or password')
+        logger.warning(f'Invalid sign up attempt for user {username}')
+    return render_template('signUp.html',error_auth="failed")
+
+@app.route('/Index', methods=['POST'])
+def Index():
+    global currentPath
+    path = currentPath
+    user=session['username']
+    if request.method == 'POST':
+        button = request.form['button']
+        text=request.form['input']
+        if button.split(' ')[0] == 'back':
+            if(currentPath.find('/')!=-1):
+                currentPath=currentPath[0:currentPath.rfind('/')]
+                path=currentPath
+                return render_template('index.html', dirs=Business.getDirectoriesall(path))
+            else:
+                path=currentPath
+                return render_template('index.html', dirs=Business.getDirectoriesall(path))
+        elif button.split(' ')[0] == 'user':
+            currentPath=user
+            path=currentPath
+            return render_template('index.html', dirs=Business.getDirectoriesall(path))
+        elif button.split(' ')[0] == 'directories':
+            dirs = Business.getDirectories(path)
+            return render_template('index.html',dirs=Business.getDirectories(path), var='nombre des dossiers : '+str(len(dirs)))
+        elif button.split(' ')[0] == 'files':
+            files = Business.getFiles(path)
+            return render_template('index.html',dirs=Business.getFiles(path), var='nombre des fichiers : '+str(len(files)))
+        elif button.split(' ')[0] == 'space':
+            total = Business.total_size(path)
+            return render_template('index.html',dirs=Business.getDirectoriesall(path), var='Espace disk utilise : '+str(total)+" ko")
+        elif button.split(' ')[0] == 'logout':
+            return redirect(url_for('logout'))
+        elif button.split(' ')[0] == 'rechercher':
+            if(currentPath.find('/')!=-1):
+                dirs=Business.rechercher(currentPath[0:currentPath.find('/')],text)
+            else:
+                dirs=Business.rechercher(currentPath,text)
+            if len(dirs)>0:
+                return render_template('index.html', dirs=dirs)
+        elif button.split(' ')[0] =='download':
+            Business.downloadHome(user)
+            flash('You have downloaded the file')
+            logger.info(f'{user} downloaded the file')
+        else:
+            logger.info(f'{user} enter to view file {button}')
+            if os.path.isfile(button.split(' ')[1]):
+                return render_template('viewFile.html',file=button.split(' ')[0],content=Business.getContent(button.split(' ')[1]))
+            else:
+                currentPath=os.path.join(path,button.split(' ')[0])
+                path=currentPath
+    return render_template('index.html',dirs=Business.getDirectoriesall(path))
+if __name__ == '__main__':
+    app.run(debug=True)

static/css/style.css

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+button{
+    padding: 10px;
+    min-height: 30px;
+    min-width: 50px;
+    color: #fff;
+    border: 0px solid;
+    border-radius: 20px;
+}
+button:hover{
+    cursor: pointer;
+}
+.form{
+    width: 500px;
+    min-height: 250px;
+    border: 1px solid #000;
+    text-align: center;
+    align-items: center;
+    border-radius: 30px;
+    padding: 30px;
+}
+input{
+    height: 40px;
+    width: 250px;
+    border: 1px solid gray;
+    border-radius: 10px;  
+    padding-left: 20px;
+}
+h1{
+    font-size: 30px;font-weight: bold;
+}
+
+table {
+    border-collapse: collapse;
+    width: 100%;
+    margin-top: 30px;
+    border-top: 1px solid black;
+    border-left: 1px solid black;
+}
+th, td {
+    text-align: left;
+    padding: 8px;
+    border-right: 1px solid black;
+    border-bottom: 1px solid black;
+}
+tr:nth-child(even) {
+    background-color: #f2f2f2;
+}
+th {
+    background-color: burlywood;
+    color: white;
+}

templates/index.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Home</title>
+    <link rel="stylesheet" href="static/css/style.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+</head>
+<body>
+    <form action="/Index" method="post">
+        <h1 style="text-align: center;font-weight: bolder;margin-bottom: 20px;">Welcome to your Home space</h1>
+        <div style="width: 100%;display: flex;">
+            <div style="text-align: left;width: 100%;">
+                <button id="back" name="button" value="back /" style="font-size: 20px;height: 50px;width: 110px;background-color: brown;"><i class="fa fa-arrow-left"></i></button>
+            </div>
+            <div style="text-align: center;width: 100%;">
+                <button id="user" name="button" value="user /" style="font-size: 20px;height: 50px;width: 110px;background-color: blue;"><i class="fa fa-male"></i></button>
+                <button id="dirs" name="button" value="directories /" style="font-size: 20px;height: 50px;width: 110px;background-color: blueviolet;"><i class="fa fa-folder"></i></button>
+                <button id="files" name="button" value="files /" style="font-size: 20px;height: 50px;width: 110px;background-color: red;"><i class="fa fa-file"></i></button>
+                <button id="space" name="button" value="space /" style="font-size: 20px;height: 50px;width: 110px;background-color: green;"><i style="font-size: 20px;" class="material-icons">&#xe1db;</i></button>
+                <button id="download" name="button" value="download /"  style="font-size: 20px;height: 50px;width: 110px;background: none;background-color: blue;"><i class="fa fa-download"></i></button>
+            </div>
+            <div style="text-align: right;width: 100%;">
+                <input type="text" name="input" placeholder="Rechercher" style="height: 50px;width: 220px;"/>
+                <button name="button" value="rechercher" style="background: none;margin-left: 10px;background-color: blue;height: 50px;width: 110px;"><i style="font-size: 20px;" class="fa fa-search"></i></button>
+                <button id="logout" name="button" value="logout /" style="font-size: 20px;height: 50px;width: 110px;background-color: deeppink;"><i class="fa fa-sign-out"></i></button><br>
+            </div>
+        </div>
+        <label>{{ var }}</label><br><br>
+        <table>
+            <thead>
+                <tr>
+                    <th>Name</th>
+                    <th>Type</th>
+                    <th>Size</th>
+                    <th>last mod date</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for dir in dirs %}
+                    <tr>
+                        <td><button name="button" value="{{dir[0]}} {{dir[4]}}" style="background: none;color: black;text-decoration: underline;">{{ dir[0] }}</button></td>
+                        <td>{{ 'Directory' if dir[1] else 'File' }}</td>
+                        <td>{{ dir[2] }} bytes</td>
+                        <td>{{ dir[3] }}</td>
+                    </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+    </form>
+</body>
+</html>