forked from Github-Mirrors/canaille
309 lines
9 KiB
Python
309 lines
9 KiB
Python
import base64
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import email.message
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import hashlib
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import logging
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import smtplib
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import urllib.request
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from flask import (
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Blueprint,
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request,
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flash,
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url_for,
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current_app,
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abort,
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render_template,
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redirect,
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)
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from flask_babel import gettext as _
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from .forms import (
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LoginForm,
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AddProfileForm,
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EditProfileForm,
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PasswordResetForm,
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ForgottenPasswordForm,
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)
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from .flaskutils import current_user, user_needed, moderator_needed
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from .models import User
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bp = Blueprint(__name__, "home")
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@bp.route("/")
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def index():
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if not current_user():
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return redirect(url_for("canaille.account.login"))
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return redirect(
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url_for("canaille.account.profile_edition", username=current_user().uid[0])
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)
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@bp.route("/login", methods=("GET", "POST"))
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def login():
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form = LoginForm(request.form or None)
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if request.form:
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if not form.validate() or not User.authenticate(
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form.login.data, form.password.data, True
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):
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flash(_("Login failed, please check your information"), "error")
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return render_template("login.html", form=form)
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user = User.get(form.login.data)
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flash(_("Connection successful. Welcome %(user)s", user=user.name), "success")
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return redirect(url_for("canaille.account.index"))
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return render_template("login.html", form=form)
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@bp.route("/logout")
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def logout():
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user = current_user()
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if user:
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flash(
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_("You have been disconnected. See you next time %(user)s", user=user.name),
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"success",
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)
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user.logout()
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return redirect("/")
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@bp.route("/users")
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@moderator_needed()
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def users(user):
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users = User.filter(objectClass=current_app.config["LDAP"]["USER_CLASS"])
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return render_template("users.html", users=users, menuitem="users")
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@bp.route("/profile", methods=("GET", "POST"))
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@moderator_needed()
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def profile_creation(user):
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claims = current_app.config["JWT"]["MAPPING"]
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form = AddProfileForm(request.form or None)
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try:
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del form.sub.render_kw["readonly"]
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except KeyError:
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pass
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if request.form:
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if not form.validate():
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flash(_("User creation failed."), "error")
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else:
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user = User(objectClass=current_app.config["LDAP"]["USER_CLASS"])
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for attribute in form:
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model_attribute_name = claims.get(attribute.name.upper())
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if (
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not model_attribute_name
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or model_attribute_name not in user.must + user.may
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):
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continue
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user[model_attribute_name] = [attribute.data]
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user.cn = [f"{user.givenName[0]} {user.sn[0]}"]
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user.save()
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flash(_("User creation succeed."), "success")
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return redirect(
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url_for("canaille.account.profile_edition", username=user.uid[0])
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)
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return render_template(
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"profile.html", form=form, menuitem="users", edited_user=None
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)
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@bp.route("/profile/<username>", methods=("GET", "POST"))
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@user_needed()
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def profile_edition(user, username):
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user.moderator or username == user.uid[0] or abort(403)
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if request.method == "GET" or request.form.get("action") == "edit":
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return profile_edit(user, username)
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if request.form.get("action") == "delete":
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return profile_delete(user, username)
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abort(400)
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def profile_edit(user, username):
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menuitem = "profile" if username == user.uid[0] else "users"
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claims = current_app.config["JWT"]["MAPPING"]
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if username != user.uid[0]:
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user = User.get(username) or abort(404)
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data = {
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k.lower(): getattr(user, v)[0]
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if getattr(user, v) and isinstance(getattr(user, v), list)
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else getattr(user, v) or ""
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for k, v in claims.items()
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}
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form = EditProfileForm(request.form or None, data=data)
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form.sub.render_kw["readonly"] = "true"
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if request.form:
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if not form.validate():
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flash(_("Profile edition failed."), "error")
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else:
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for attribute in form:
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model_attribute_name = claims.get(attribute.name.upper())
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if (
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not model_attribute_name
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or model_attribute_name not in user.must + user.may
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):
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continue
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user[model_attribute_name] = [attribute.data]
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if not form.password1.data or user.set_password(form.password1.data):
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flash(_("Profile updated successfuly."), "success")
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user.save()
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return render_template(
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"profile.html", form=form, menuitem=menuitem, edited_user=user
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)
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def profile_delete(user, username):
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self_deletion = username == user.uid[0]
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if self_deletion:
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user.logout()
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else:
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user = User.get(username) or abort(404)
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flash(_("The user %(user)s has been sucessfuly deleted", user=user.name), "success")
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user.delete()
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if self_deletion:
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return redirect(url_for("canaille.account.index"))
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return redirect(url_for("canaille.account.users"))
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def profile_hash(user, password):
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return hashlib.sha256(
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current_app.config["SECRET_KEY"].encode("utf-8")
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+ user.encode("utf-8")
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+ password.encode("utf-8")
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).hexdigest()
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@bp.route("/reset", methods=["GET", "POST"])
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def forgotten():
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form = ForgottenPasswordForm(request.form)
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if not request.form:
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return render_template("forgotten-password.html", form=form)
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if not form.validate():
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flash(_("Could not send the password reset link."), "error")
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return render_template("forgotten-password.html", form=form)
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user = User.get(form.login.data)
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if not user:
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flash(
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_("A password reset link has been sent at your email address."), "success"
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)
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return render_template("forgotten-password.html", form=form)
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recipient = user.mail
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base_url = url_for("canaille.account.index", _external=True)
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reset_url = url_for(
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"canaille.account.reset",
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uid=user.uid[0],
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hash=profile_hash(user.uid[0], user.userPassword[0]),
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_external=True,
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)
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logo = None
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logo_extension = None
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if current_app.config.get("LOGO"):
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logo_extension = current_app.config["LOGO"].split(".")[-1]
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try:
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with urllib.request.urlopen(current_app.config.get("LOGO")) as f:
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logo = base64.b64encode(f.read()).decode("utf-8")
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except (urllib.error.HTTPError, urllib.error.URLError):
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pass
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subject = _("Password reset on {website_name}").format(
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website_name=current_app.config.get("NAME", reset_url)
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)
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text_body = render_template(
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"mail/reset.txt",
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site_name=current_app.config.get("NAME", reset_url),
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site_url=base_url,
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reset_url=reset_url,
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)
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html_body = render_template(
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"mail/reset.html",
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site_name=current_app.config.get("NAME", reset_url),
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site_url=base_url,
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reset_url=reset_url,
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logo=logo,
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logo_extension=logo_extension,
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)
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msg = email.message.EmailMessage()
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msg.set_content(text_body)
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msg.add_alternative(html_body, subtype="html")
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msg["Subject"] = subject
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msg["From"] = current_app.config["SMTP"]["FROM_ADDR"]
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msg["To"] = recipient
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success = True
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try:
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with smtplib.SMTP(
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host=current_app.config["SMTP"]["HOST"],
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port=current_app.config["SMTP"]["PORT"],
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) as smtp:
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if current_app.config["SMTP"].get("TLS"):
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smtp.starttls()
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if current_app.config["SMTP"].get("LOGIN"):
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smtp.login(
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user=current_app.config["SMTP"]["LOGIN"],
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password=current_app.config["SMTP"].get("PASSWORD"),
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)
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smtp.send_message(msg)
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except smtplib.SMTPRecipientsRefused:
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pass
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except OSError:
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flash(_("Could not reset your password"), "error")
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logging.exception("Could not send password reset email")
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success = False
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if success:
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flash(
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_("A password reset link has been sent at your email address."), "success"
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)
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return render_template("forgotten-password.html", form=form)
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@bp.route("/reset/<uid>/<hash>", methods=["GET", "POST"])
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def reset(uid, hash):
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form = PasswordResetForm(request.form)
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user = User.get(uid)
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if not user or hash != profile_hash(user.uid[0], user.userPassword[0]):
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flash(
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_("The password reset link that brought you here was invalid."),
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"error",
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)
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return redirect(url_for("canaille.account.index"))
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if request.form and form.validate():
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user.set_password(form.password.data)
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user.login()
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flash(_("Your password has been updated successfuly"), "success")
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return redirect(url_for("canaille.account.profile_edition", username=uid))
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return render_template("reset-password.html", form=form, uid=uid, hash=hash)
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