add send email and email verify decorator

2 files changed, 84 insertions, 0 deletions

diff --git a/sbhs/decorators.py b/sbhs/decorators.py
new file mode 100644
index 0000000..cd05e38
--- /dev/null
+++ b/sbhs/decorators.py
@@ -0,0 +1,27 @@
+from django.shortcuts import render
+from django.conf import settings
+
+def user_has_profile(user):
+    return hasattr(user, 'profile')
+
+def email_verified(func):
+    """
+    This decorator is used to check if email is verified.
+    If email is not verified then redirect user for email
+    verification.
+    """
+
+    def is_email_verified(request, *args, **kwargs):
+        user = request.user
+        context = {}
+        if not settings.IS_DEVELOPMENT:
+            if user.is_authenticated() and user_has_profile(user):
+                if not user.profile.is_email_verified:
+                    context['success'] = False
+                    context['msg'] = "Your account is not verified. \
+                                        Please verify your account"
+                    return render(
+                        request, 'account/activation_status.html', context
+                    )
+        return func(request, *args, **kwargs)
+    return is_email_verified
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diff --git a/sbhs/send_emails.py b/sbhs/send_emails.py
new file mode 100644
index 0000000..c713704
--- /dev/null
+++ b/sbhs/send_emails.py
@@ -0,0 +1,57 @@
+import hashlib
+try:
+	from string import letters
+except ImportError:
+	from string import ascii_letters as letters
+from string import digits, punctuation
+
+from django.utils.crypto import get_random_string
+from django.conf import settings
+from django.core.mail import send_mail
+from textwrap import dedent
+
+def generate_activation_key(username):
+	"""
+	Generate hashed secret key for email activation
+	"""
+	chars = letters + digits + punctuation
+	secret_key = get_random_string(20,chars)
+	return hashlib.sha256((secret_key+username).encode('utf-8')).hexdigest()
+
+def send_user_mail(user_mail, key):
+	""" Send mail to user whose email is to be verified
+	This function should get two args i.e user_email and secret_key.
+	The activation url is generated from settings.PRODUCTION_URL and 
+	key.
+	"""
+	try:
+	    to = user_mail
+	    subject = 'SBHS Email Verification'
+	    message = dedent("""\
+	            To activate your account and verify your email address,
+	            please click the following link:
+	            {0}/account/activate/{1}
+	            If clicking the link above does not work,
+	            copy and paste the URL in a new browser window instead.
+	            For any issue, please write us on {2}
+
+	            Regards,
+	            {3}
+	        """.format(settings.PRODUCTION_URL, key, settings.REPLY_EMAIL,
+	                   settings.SENDER_NAME
+	                   )
+	        )
+
+	    send_mail(subject, message, settings.SENDER_EMAIL, [to])
+
+	    msg = "An activation link is sent to your registered email.\
+	                    Please activate the link within 20 minutes."
+	    success = True
+
+	except Exception as exc_msg:
+	    msg = """Error: {0}. Please check your email address.\
+	            If email address is correct then
+	            Please contact {1}.""".format(exc_msg, settings.REPLY_EMAIL)
+	    success = False
+
+	return success, msg
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