incorporate https://github.com/ivoviz/feedback

allows user to mark an image and send it.
sends an email to configured recipient. defaults to using localhost:25
as the SMTP server (no user name, no password, see [1] for configuration
parameters of flask-mail).

Introduces a config parameter:
FEEDBACK_RECIPIENT = feedback@localhost

left TODO:
1. customize the 'thank you' text
2. document in user guide (setting MAIL_DEFAULT_SENDER correctly)

[1] https://pythonhosted.org/Flask-Mail/#configuring-flask-mail

1 files changed, 27 insertions, 0 deletions

diff --git a/src/server/rz_mail.py b/src/server/rz_mail.py
new file mode 100644
index 00000000..0ecf1d61
--- /dev/null
+++ b/src/server/rz_mail.py
@@ -0,0 +1,27 @@
+import magic
+
+from flask_mail import Mail, Message
+
+mail = None
+
+magic_mime = magic.open(magic.MAGIC_MIME)
+magic_mime.load()
+
+def mimetype(data):
+    return magic_mime.buffer(data).split(';')[0]
+
+def init_mail(webapp):
+    global mail
+    mail = Mail(webapp)
+
+def send_message(recipients, subject, attachments, body):
+    """
+    attachments is a list of tuples (filename, data)
+    libmagic is used to guess the mimetype
+    """
+    msg = Message(subject, recipients=recipients)
+    msg.body = body
+    for filename, data in attachments:
+        msg.attach(filename=filename, content_type=mimetype(data), data=data)
+    mail.send(msg)
+