Added hashing to teacher password

hash_tools.py

@@ -0,0 +1,24 @@
+from hashlib import sha256
+from random import choice
+POSTS_PER_PAGE = 3
+
+
+def make_salt():
+    '''returns a salt '''
+    alpha_digits = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    return ''.join([choice(alpha_digits) for x in range(16)])
+
+def make_hash(value, salt = None):
+    ''' returns value hashed and salted, and salt'''
+    if not salt:
+        salt = make_salt()
+    hashed = sha256(str.encode(value + salt)).hexdigest()
+    return '{0},{1}'.format(hashed, salt)
+
+def check_hash(user_input, hash_db):
+    '''returns True if both values are equal'''
+    salt = hash_db.split(',')[1]
+    if make_hash(user_input, salt) == hash_db:
+        return True
+    else:
+        return False

main.py

@@ -5,6 +5,7 @@
 # from sqlalchemy.sql import func 
 from app import app, db
 from models import Student, Teacher, Attendance
+from hash_tools import make_hash, check_hash
 
 # Main View
 @app.route('/')

models.py

@@ -1,6 +1,7 @@
 from app import db
 from flask_sqlalchemy import SQLAlchemy  
 from datetime import datetime, date
+from hash_tools import make_hash, check_hash
 
 class Student(db.Model):
     id = db.Column(db.Integer, primary_key=True)
@@ -31,7 +32,7 @@ def __init__(self, first_name, last_name, email, password):
         self.first_name = first_name
         self.last_name = last_name
         self.email = email
-        self.password = password
+        self.password = make_hash(password)
 
 
 class Attendance(db.Model):