Change directory structure (move ./nopaque/* to ./)

app/auth/__init__.py

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+from flask import Blueprint
+
+
+auth = Blueprint('auth', __name__)
+from . import views

app/auth/forms.py

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+from flask import current_app
+from ..models import User
+from flask_wtf import FlaskForm
+from wtforms import (BooleanField, PasswordField, StringField, SubmitField,
+                     ValidationError)
+from wtforms.validators import DataRequired, Email, EqualTo, Length, Regexp
+
+
+class LoginForm(FlaskForm):
+    user = StringField('Email or username', validators=[DataRequired()])
+    password = PasswordField('Password', validators=[DataRequired()])
+    remember_me = BooleanField('Keep me logged in')
+    submit = SubmitField('Log In')
+
+
+class RegistrationForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    username = StringField(
+        'Username',
+        validators=[DataRequired(), Length(1, 64),
+                    Regexp(current_app.config['NOPAQUE_USERNAME_REGEX'],
+                           message='Usernames must have only letters, numbers,'
+                                   ' dots or underscores')]
+    )
+    password = PasswordField(
+        'Password',
+        validators=[DataRequired(), EqualTo('password_confirmation',
+                                            message='Passwords must match.')]
+    )
+    password_confirmation = PasswordField(
+        'Password confirmation',
+        validators=[DataRequired(), EqualTo('password',
+                                            message='Passwords must match.')]
+    )
+    submit = SubmitField('Register')
+
+    def validate_email(self, field):
+        if User.query.filter_by(email=field.data.lower()).first():
+            raise ValidationError('Email already registered.')
+
+    def validate_username(self, field):
+        if User.query.filter_by(username=field.data).first():
+            raise ValidationError('Username already in use.')
+
+
+class ResetPasswordForm(FlaskForm):
+    password = PasswordField(
+        'New password',
+        validators=[DataRequired(), EqualTo('password_confirmation',
+                                            message='Passwords must match.')]
+    )
+    password_confirmation = PasswordField(
+        'Password confirmation',
+        validators=[DataRequired(),
+                    EqualTo('password', message='Passwords must match.')]
+    )
+    submit = SubmitField('Reset Password')
+
+
+class ResetPasswordRequestForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    submit = SubmitField('Reset Password')

app/auth/views.py

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+from datetime import datetime
+from flask import abort, flash, redirect, render_template, request, url_for
+from flask_login import current_user, login_user, login_required, logout_user
+from . import auth
+from .forms import (LoginForm, ResetPasswordForm, ResetPasswordRequestForm,
+                    RegistrationForm)
+from .. import db
+from ..email import create_message, send
+from ..models import User
+import logging
+import os
+
+
+@auth.before_app_request
+def before_request():
+    """
+    Checks if a user is unconfirmed when visiting specific sites. Redirects to
+    unconfirmed view if user is unconfirmed.
+    """
+    if current_user.is_authenticated:
+        current_user.last_seen = datetime.utcnow()
+        db.session.commit()
+        if (not current_user.confirmed
+                and request.endpoint
+                and request.blueprint != 'auth'
+                and request.endpoint != 'static'):
+            return redirect(url_for('auth.unconfirmed'))
+
+
+@auth.route('/login', methods=['GET', 'POST'])
+def login():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.dashboard'))
+    form = LoginForm(prefix='login-form')
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.user.data).first()
+        if user is None:
+            user = User.query.filter_by(email=form.user.data.lower()).first()
+        if user is not None and user.verify_password(form.password.data):
+            login_user(user, form.remember_me.data)
+            next = request.args.get('next')
+            if next is None or not next.startswith('/'):
+                next = url_for('main.dashboard')
+            return redirect(next)
+        flash('Invalid email/username or password.')
+    return render_template('auth/login.html.j2', form=form, title='Log in')
+
+
+@auth.route('/logout')
+@login_required
+def logout():
+    logout_user()
+    flash('You have been logged out.')
+    return redirect(url_for('main.index'))
+
+
+@auth.route('/register', methods=['GET', 'POST'])
+def register():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.dashboard'))
+    form = RegistrationForm(prefix='registration-form')
+    if form.validate_on_submit():
+        user = User(email=form.email.data.lower(),
+                    password=form.password.data,
+                    username=form.username.data)
+        db.session.add(user)
+        db.session.commit()
+        try:
+            os.makedirs(user.path)
+        except OSError:
+            logging.error('Make dir {} led to an OSError!'.format(user.path))
+            db.session.delete(user)
+            db.session.commit()
+            abort(500)
+        else:
+            token = user.generate_confirmation_token()
+            msg = create_message(user.email, 'Confirm Your Account',
+                                 'auth/email/confirm', token=token, user=user)
+            send(msg)
+            flash('A confirmation email has been sent to you by email.')
+            return redirect(url_for('.login'))
+    return render_template('auth/register.html.j2', form=form,
+                           title='Register')
+
+
+@auth.route('/confirm/<token>')
+@login_required
+def confirm(token):
+    if current_user.confirmed:
+        return redirect(url_for('main.dashboard'))
+    if current_user.confirm(token):
+        db.session.commit()
+        flash('You have confirmed your account. Thanks!')
+        return redirect(url_for('main.dashboard'))
+    else:
+        flash('The confirmation link is invalid or has expired.')
+        return redirect(url_for('.unconfirmed'))
+
+
+@auth.route('/unconfirmed')
+def unconfirmed():
+    if current_user.is_anonymous:
+        return redirect(url_for('main.index'))
+    elif current_user.confirmed:
+        return redirect(url_for('main.dashboard'))
+    return render_template('auth/unconfirmed.html.j2', title='Unconfirmed')
+
+
+@auth.route('/confirm')
+@login_required
+def resend_confirmation():
+    token = current_user.generate_confirmation_token()
+    msg = create_message(current_user.email, 'Confirm Your Account',
+                         'auth/email/confirm', token=token, user=current_user)
+    send(msg)
+    flash('A new confirmation email has been sent to you by email.')
+    return redirect(url_for('auth.unconfirmed'))
+
+
+@auth.route('/reset', methods=['GET', 'POST'])
+def reset_password_request():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.dashboard'))
+    form = ResetPasswordRequestForm(prefix='reset-password-request-form')
+    if form.validate_on_submit():
+        user = User.query.filter_by(email=form.email.data.lower()).first()
+        if user is not None:
+            token = user.generate_reset_token()
+            msg = create_message(user.email, 'Reset Your Password',
+                                 'auth/email/reset_password', token=token,
+                                 user=user)
+            send(msg)
+        flash('An email with instructions to reset your password has been sent to you.')  # noqa
+        return redirect(url_for('.login'))
+    return render_template('auth/reset_password_request.html.j2', form=form,
+                           title='Password Reset')
+
+
+@auth.route('/reset/<token>', methods=['GET', 'POST'])
+def reset_password(token):
+    if current_user.is_authenticated:
+        return redirect(url_for('main.dashboard'))
+    form = ResetPasswordForm(prefix='reset-password-form')
+    if form.validate_on_submit():
+        if User.reset_password(token, form.password.data):
+            db.session.commit()
+            flash('Your password has been updated.')
+            return redirect(url_for('.login'))
+        else:
+            return redirect(url_for('main.index'))
+    return render_template('auth/reset_password.html.j2', form=form,
+                           title='Password Reset', token=token)