示例#1
0
文件: auth.py 项目: sipangzifei/esp
def login():
    """Log in a registered user by adding the user id to the session."""
    if request.method == 'POST':
        username = request.form['username']
        password = request.form['password']
        db = get_db()
        error = None
        user = db.execute(
            'SELECT * FROM user WHERE username = ?', (username,)
        ).fetchone()

        if user is None:
            error = 'Incorrect username.'
        elif not check_password_hash(user['password'], password):
            error = 'Incorrect password.'

        if error is None:
            # store the user id in a new session and return to the index
            session.clear()
            session['user_id'] = user['id']
            return redirect(url_for('index'))

        flash(error)

    return render_template('auth/login.html')
示例#2
0
文件: auth.py 项目: sipangzifei/esp
def register():
    """Register a new user.

    Validates that the username is not already taken. Hashes the
    password for security.
    """
    if request.method == 'POST':
        username = request.form['username']
        password = request.form['password']
        db = get_db()
        error = None

        if not username:
            error = 'Username is required.'
        elif not password:
            error = 'Password is required.'
        elif db.execute(
            'SELECT id FROM user WHERE username = ?', (username,)
        ).fetchone() is not None:
            error = 'User {0} is already registered.'.format(username)

        if error is None:
            # the name is available, store it in the database and go to
            # the login page
            db.execute(
                'INSERT INTO user (username, password) VALUES (?, ?)',
                (username, generate_password_hash(password))
            )
            db.commit()
            return redirect(url_for('auth.login'))

        flash(error)

    return render_template('auth/register.html')
示例#3
0
def index():
    """Show all the posts, most recent first."""
    db = get_db()
    posts2 = db.execute(
        'SELECT p.id, title, body, created, author_id, username'
        ' FROM post p JOIN user u ON p.author_id = u.id'
        ' ORDER BY created DESC').fetchall()
    print('%s' % posts2)
    return render_template('blog/index.html', posts3=posts2)
示例#4
0
def delete(id):
    """Delete a post.

    Ensures that the post exists and that the logged in user is the
    author of the post.
    """
    get_post(id)
    db = get_db()
    db.execute('DELETE FROM post WHERE id = ?', (id, ))
    db.commit()
    return redirect(url_for('blog.index'))
示例#5
0
文件: auth.py 项目: sipangzifei/esp
def load_logged_in_user():
    """If a user id is stored in the session, load the user object from
    the database into ``g.user``."""
    user_id = session.get('user_id')

    if user_id is None:
        g.user = None
    else:
        g.user = get_db().execute(
            'SELECT * FROM user WHERE id = ?', (user_id,)
        ).fetchone()
示例#6
0
def create():
    """Create a new post for the current user."""
    if request.method == 'POST':
        title = request.form['title']
        body = request.form['body']
        error = None

        if not title:
            error = 'Title is required.'

        if error is not None:
            flash(error)
        else:
            db = get_db()
            db.execute(
                'INSERT INTO post (title, body, author_id)'
                ' VALUES (?, ?, ?)', (title, body, g.user['id']))
            db.commit()
            return redirect(url_for('blog.index'))

    return render_template('blog/create.html')
示例#7
0
def update(id):
    """Update a post if the current user is the author."""
    post = get_post(id)

    if request.method == 'POST':
        title = request.form['title']
        body = request.form['body']
        error = None

        if not title:
            error = 'Title is required.'

        if error is not None:
            flash(error)
        else:
            db = get_db()
            db.execute('UPDATE post SET title = ?, body = ? WHERE id = ?',
                       (title, body, id))
            db.commit()
            return redirect(url_for('blog.index'))

    return render_template('blog/update.html', post=post)
示例#8
0
def get_post(id, check_author=True):
    """Get a post and its author by id.

    Checks that the id exists and optionally that the current user is
    the author.

    :param id: id of post to get
    :param check_author: require the current user to be the author
    :return: the post with author information
    :raise 404: if a post with the given id doesn't exist
    :raise 403: if the current user isn't the author
    """
    post = get_db().execute(
        'SELECT p.id, title, body, created, author_id, username'
        ' FROM post p JOIN user u ON p.author_id = u.id'
        ' WHERE p.id = ?', (id, )).fetchone()

    if post is None:
        abort(404, "Post id {0} doesn't exist.".format(id))

    if check_author and post['author_id'] != g.user['id']:
        abort(403)

    return post