1 files changed, 60 insertions, 0 deletions
diff --git a/arduino_blog/send_emails.py b/arduino_blog/send_emails.py
new file mode 100644
index 0000000..59dd824
--- /dev/null
+++ b/arduino_blog/send_emails.py
@@ -0,0 +1,60 @@
+# Local imports
+try:
+    from string import letters
+except ImportError:
+    from string import ascii_letters as letters
+from string import digits, punctuation
+import hashlib
+from textwrap import dedent
+import os
+
+# Django imports
+from django.utils.crypto import get_random_string
+from django.conf import settings
+from django.core.mail import EmailMultiAlternatives, send_mail
+from django.core.files.storage import default_storage
+from django.core.files.base import ContentFile
+
+
+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 = 'Arduino - User Registration Confirmation'
+        message = dedent("""\
+                To activate your account and verify your email address,
+                please click the following link:
+                {0}/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 60 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
+\ No newline at end of file