feat(reset): successfully linked the app with the LDAP server

app/reset.py

@@ -1,15 +1,18 @@
-import functools
+from . import ldap_client
 
 from flask import (
-    Blueprint, flash, g, redirect, render_template, request, session, url_for
+    Blueprint, render_template, flash,
+    current_app
 )
 from flask_wtf import FlaskForm
-from wtforms import StringField, PasswordField, BooleanField, \
+from wtforms import (
+    StringField, PasswordField,
     SubmitField
-from wtforms.validators import ValidationError, DataRequired, \
-    Email, EqualTo, Length, Regexp
-from werkzeug.security import check_password_hash, generate_password_hash
-import re
+)
+from wtforms.validators import (
+    ValidationError, DataRequired,
+    EqualTo, Length, Regexp
+)
 
 bp = Blueprint('reset', __name__, url_prefix='/reset')
 
@@ -49,11 +52,21 @@ class ResetPasswordForm(FlaskForm):
         for char in self.username.data:
             if char in excluded_chars:
                 raise ValidationError(
-                    f"Character {char} is not allowed in a login.")
+                    f"Character {char} is not allowed in an username.")
 
 @bp.route('/', methods=('GET', 'POST'))
 def reset():
     form = ResetPasswordForm()
     if form.validate_on_submit():
-        return f'''<h1> Welcome {form.username.data} </h1>'''
+        client = ldap_client.Client(address=current_app.config["LDAP_ADDR"], port=current_app.config["LDAP_PORT"], base_dn=current_app.config["BASE_DN"], tls=current_app.config["LDAP_TLS"])
+        bind_status = client.bind(form.username._value(), form.currentpassword._value())
+        if bind_status[0] == False:
+            flash(f"Connection failed, are you sure that your login and password are correct ? ({client.link.last_error})")
+        elif client.change_pwd(bind_status[1], form.newpassword._value()) == False:
+            flash(f"An error occured and your password was not changed, sorry. ({client.link.last_error})")
+            client.unbind()
+        else:
+            flash('Your password has been changed !')
+            client.unbind()
+            
     return render_template('reset.html', form=form)