def app():
db_fd, db_path = tempfile.mkstemp()
app = create_app({
"TESTING": True,
"DATABASE": db_path,
})
with app.app_context():
init_db()
get_db().executescript(_data_sql)
yield app
os.close(db_fd)
os.unlink(db_path)
def register():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
if not username:
error = "Username required."
elif not password:
error = "Password required."
elif db.execute(
"SELECT id FROM user WHERE username = ?", (username,)
).fetchone() is not None:
error = 'User {} is already registered'.format(username)
if error is None:
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')
def index():
db = get_db()
posts = 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()
return render_template("blog/index.html", posts=posts)
def test_create(client, auth, app):
auth.login()
assert client.get('/create').status_code == 200
client.post('/create', data={'title': 'created', 'body': ''})
with app.app_context():
db = get_db()
count = db.execute('SELECT COUNT(id) FROM post').fetchone()[0]
assert count == 2
def test_delete(client, auth, app):
auth.login()
response = client.post('/1/delete')
assert response.headers['Location'] == 'http://localhost/'
with app.app_context():
db = get_db()
post = db.execute('SELECT * FROM post WHERE id = 1').fetchone()
assert post is None
def test_update(client, auth, app):
auth.login()
assert client.get('/1/update').status_code == 200
client.post('/1/update', data={'title': 'updated', 'body': ''})
with app.app_context():
db = get_db()
post = db.execute('SELECT * FROM post WHERE id = 1').fetchone()
assert post['title'] == 'updated'
def load_logged_in_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()
def test_register(client, app):
assert client.get('/auth/register').status_code == 200
response = client.post('/auth/register',
data={
'username': '******',
'password': '******'
})
assert 'http://localhost/auth/login' == response.headers['Location']
with app.app_context():
assert get_db().execute(
"select * from user where username = '******'", ).fetchone() is not None
def test_author_required(app, client, auth):
# change the post author to another user
with app.app_context():
db = get_db()
db.execute('UPDATE post SET author_id = 2 WHERE id = 1')
db.commit()
auth.login()
# current user can't modify other user's post
assert client.post('/1/update').status_code == 403
assert client.post('/1/delete').status_code == 403
# current user doesn't see edit link
assert b'href="/1/update"' not in client.get('/').data
def get_post(id, check_author=True):
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, "Not authorised to edit post")
return post
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
cursor = db.cursor()
user = cursor.execute(
'SELECT * FROM blog_user WHERE username = "******";'.format(username))
result = cursor.fetchone()
if result is None:
error = 'Incorrect username.' #the account does't exist, please check it
elif result[3] != password:
error = 'Incorrect password.'
if error is None:
session.clear()
session['user_id'] = result[0]
return redirect(
url_for('index')) # always wrong, I don't know the reason.
flash(error)
return render_template('auth/login.html')
def create():
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")
def register():
if request.method == 'POST':
username = request.form['username']
passwd = request.form['password']
email = request.form['email']
db = get_db()
error = list()
if not username:
error.extend('Username is required')
if not passwd:
error.extend('Password is required')
if not email:
error.extend('Email is required')
if len(error) >= 1:
raise RuntimeError
cursor = db.cursor()
cursor.execute("CREATE DATABASE IF NOT EXISTS blog_user_db;")
from flask.cli import current_app
with current_app.open_resource("MySql/insert_user.sql") as f:
sql = f.read().decode('utf8').split(';')
del sql[len(sql) - 1]
cursor.execute(sql[0])
cursor.execute(sql[1])
db.commit()
# check the account
# user_query = db.cursor().execute(
# 'SELECT user_id FROM blog_user WHERE username = {}'.format(username)).fetchone()
# email_query = db.cursor().execute(
# 'SELECT user_id FROM blog_user WHERE email = {}'.format(email)).fetchone()
if error == []:
db.cursor().execute(
'INSERT INTO blog_user(user_id, username, email, password, phone_number) VALUES ({}, "{}" , "{}" , "{}", "15902171045");'
.format('NULL', username, email, passwd))
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html')
def login():
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:
session.clear()
session["user_id"] = user["id"]
return redirect(url_for("index"))
flash(error)
return render_template("auth/login.html")
def update(id):
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)
def delete(id):
get_post(id)
db = get_db()
db.execute("DELETE FROM post WHERE id= ?", (id,))
db.commit()
return redirect(url_for("blog.index"))
def index():
db = get_db()
return render_template('blog/index.html')