def send(email_or_string):
'''
Main endpoint, finds or creates the form row from the database,
checks validity and state of the form and sends either form data
or verification to email.
'''
g.log = g.log.bind(target=email_or_string)
if request.method == 'GET':
if request_wants_json():
return jsonerror(405, {'error': "Please submit POST request."})
else:
return render_template('info.html',
title='Form should POST',
text='Make sure your form has the <span '
'class="code"><strong>method="POST"'
'</strong></span> attribute'), 405
if request.form:
received_data, sorted_keys = http_form_to_dict(request.form)
else:
received_data = request.get_json() or {}
sorted_keys = received_data.keys()
try:
# Get stored hostname from redis (from captcha)
host, referrer = get_temp_hostname(received_data['_host_nonce'])
except KeyError:
host, referrer = referrer_to_path(request.referrer), request.referrer
if not host or host == 'www.google.com':
if request_wants_json():
return jsonerror(400, {'error': "Invalid \"Referrer\" header"})
else:
return render_template(
'error.html',
title='Unable to submit form',
text=
'<p>Make sure you open this page through a web server, Formspree will not work in pages browsed as HTML files. Also make sure that you\'re posting to <b>{host}{path}</b>.</p><p>For geeks: could not find the "Referrer" header.</p>'
.format(host=settings.SERVICE_URL, path=request.path)), 400
g.log = g.log.bind(host=host,
wants='json' if request_wants_json() else 'html')
g.log.info('Received submission.')
if not IS_VALID_EMAIL(email_or_string):
# in this case it can be a hashid identifying a
# form generated from the dashboard
hashid = email_or_string
form = Form.get_with_hashid(hashid)
if form:
# Check if it has been assigned about using AJAX or not
assign_ajax(form, request_wants_json())
if form.disabled:
# owner has disabled the form, so it should not receive any submissions
if request_wants_json():
return jsonerror(403, {'error': 'Form not active'})
else:
return render_template(
'error.html',
title='Form not active',
text=
'The owner of this form has disabled this form and it is no longer accepting submissions. Your submissions was not accepted'
), 403
email = form.email
if not form.host:
# add the host to the form
form.host = host
DB.session.add(form)
DB.session.commit()
# it is an error when
# form is sitewide, but submission came from a host rooted somewhere else, or
# form is not sitewide, and submission came from a different host
elif (not form.sitewide and form.host != host) or (
form.sitewide and (
not host.startswith(form.host) and \
not remove_www(host).startswith(form.host)
)
):
g.log.info(
'Submission rejected. From a different host than confirmed.'
)
if request_wants_json():
return jsonerror(
403, {
'error':
"Submission from different host than confirmed",
'submitted': host,
'confirmed': form.host
})
else:
return render_template(
'error.html',
title='Check form address',
text='This submission came from "%s" but the form was\
confirmed for address "%s"' %
(host, form.host)), 403
else:
# no form row found. it is an error.
g.log.info('Submission rejected. No form found for this target.')
if request_wants_json():
return jsonerror(400, {'error': "Invalid email address"})
else:
return render_template('error.html',
title='Check email address',
text='Email address %s is not formatted correctly' \
% str(email_or_string)), 400
else:
# in this case, it is a normal email
email = email_or_string.lower()
# get the form for this request
form = Form.query.filter_by(hash=HASH(email, host)).first() \
or Form(email, host) # or create it if it doesn't exists
# Check if it has been assigned about using AJAX or not
assign_ajax(form, request_wants_json())
if form.disabled:
g.log.info('submission rejected. Form is disabled.')
if request_wants_json():
return jsonerror(403, {'error': 'Form not active'})
else:
return render_template(
'error.html',
title='Form not active',
text=
'The owner of this form has disabled this form and it is no longer accepting submissions. Your submissions was not accepted'
), 403
# If form exists and is confirmed, send email
# otherwise send a confirmation email
if form.confirmed:
captcha_verified = verify_captcha(received_data, request)
needs_captcha = not (request_wants_json() or captcha_verified
or settings.TESTING)
# if form is upgraded check if captcha is disabled
if form.upgraded:
needs_captcha = needs_captcha and not form.captcha_disabled
if needs_captcha:
data_copy = received_data.copy()
# Temporarily store hostname in redis while doing captcha
nonce = temp_store_hostname(form.host, request.referrer)
data_copy['_host_nonce'] = nonce
action = urljoin(settings.API_ROOT, email_or_string)
return render_template('forms/captcha.html',
data=data_copy,
sorted_keys=sorted_keys,
action=action)
status = form.send(received_data, sorted_keys, referrer)
else:
status = form.send_confirmation()
# Respond to the request accordingly to the status code
if status['code'] == Form.STATUS_EMAIL_SENT:
if request_wants_json():
return jsonify({'success': "email sent", 'next': status['next']})
else:
return redirect(status['next'], code=302)
elif status['code'] == Form.STATUS_EMAIL_EMPTY:
if request_wants_json():
return jsonerror(400, {'error': "Can't send an empty form"})
else:
return render_template(
'error.html',
title='Can\'t send an empty form',
text=
u'<p>Make sure you have placed the <a href="http://www.w3schools.com/tags/att_input_name.asp" target="_blank"><code>"name"</code> attribute</a> in all your form elements. Also, to prevent empty form submissions, take a look at the <a href="http://www.w3schools.com/tags/att_input_required.asp" target="_blank"><code>"required"</code> property</a>.</p><p>This error also happens when you have an <code>"enctype"</code> attribute set in your <code><form></code>, so make sure you don\'t.</p><p><a href="{}">Return to form</a></p>'
.format(referrer)), 400
elif status['code'] == Form.STATUS_CONFIRMATION_SENT or \
status['code'] == Form.STATUS_CONFIRMATION_DUPLICATED:
if request_wants_json():
return jsonify({'success': "confirmation email sent"})
else:
return render_template(
'forms/confirmation_sent.html',
email=email,
host=host,
resend=status['code'] == Form.STATUS_CONFIRMATION_DUPLICATED)
elif status['code'] == Form.STATUS_OVERLIMIT:
if request_wants_json():
return jsonify({'error': "form over quota"})
else:
return render_template(
'error.html',
title='Form over quota',
text=
'It looks like this form is getting a lot of submissions and ran out of its quota. Try contacting this website through other means or try submitting again later.'
), 402
elif status['code'] == Form.STATUS_REPLYTO_ERROR:
if request_wants_json():
return jsonerror(500, {
'error':
"_replyto or email field has not been sent correctly"
})
else:
return render_template(
'error.html',
title='Invalid email address',
text=
u'You entered <span class="code">{address}</span>. That is an invalid email address. Please correct the form and try to submit again <a href="{back}">here</a>.<p style="font-size: small">This could also be a problem with the form. For example, there could be two fields with <span class="code">_replyto</span> or <span class="code">email</span> name attribute. If you suspect the form is broken, please contact the form owner and ask them to investigate</p>'
''.format(address=status['address'],
back=status['referrer'])), 400
# error fallback -- shouldn't happen
if request_wants_json():
return jsonerror(500, {'error': "Unable to send email"})
else:
return render_template(
'error.html',
title='Unable to send email',
text=
u'Unable to send email. If you can, please send the link to your form and the error information to <b>{email}</b>. And send them the following: <p><pre><code>{message}</code></pre></p>'
.format(message=json.dumps(status),
email=settings.CONTACT_EMAIL)), 500
def send(email_or_string):
'''
Main endpoint, finds or creates the form row from the database,
checks validity and state of the form and sends either form data
or verification to email.
'''
g.log = g.log.bind(target=email_or_string)
if request.method == 'GET':
if request_wants_json():
return jsonerror(405, {'error': "Please submit POST request."})
else:
return render_template('info.html',
title='Form should POST',
text='Make sure your form has the <span '
'class="code"><strong>method="POST"'
'</strong></span> attribute'), 405
if request.form:
received_data, sorted_keys = http_form_to_dict(request.form)
else:
received_data = request.get_json() or {}
sorted_keys = received_data.keys()
try:
# Get stored hostname from redis (from captcha)
host, referrer = get_temp_hostname(received_data['_host_nonce'])
except KeyError:
host, referrer = referrer_to_path(request.referrer), request.referrer
except ValueError as err:
g.log.error('Invalid hostname stored on Redis.', err=err)
return render_template(
'error.html',
title='Unable to submit form',
text='<p>We had a problem identifying to whom we should have submitted this form. Please try submitting again. If it fails once more, please let us know at {email}</p>'.format(
email=settings.CONTACT_EMAIL,
)
), 500
if not host or host == 'www.google.com':
if request_wants_json():
return jsonerror(400, {'error': "Invalid \"Referrer\" header"})
else:
return render_template(
'error.html',
title='Unable to submit form',
text='<p>Make sure you open this page through a web server, Formspree will not work in pages browsed as HTML files. Also make sure that you\'re posting to <b>{host}{path}</b>.</p><p>For geeks: could not find the "Referrer" header.</p>'.format(
host=settings.SERVICE_URL,
path=request.path
)
), 400
g.log = g.log.bind(host=host, wants='json' if request_wants_json() else 'html')
g.log.info('Submitted.')
if not IS_VALID_EMAIL(email_or_string):
# in this case it can be a hashid identifying a
# form generated from the dashboard
hashid = email_or_string
form = Form.get_with_hashid(hashid)
if form:
# Check if it has been assigned about using AJAX or not
assign_ajax(form, request_wants_json())
if form.disabled:
# owner has disabled the form, so it should not receive any submissions
if request_wants_json():
return jsonerror(403, {'error': 'Form not active'})
else:
return render_template('error.html',
title='Form not active',
text='The owner of this form has disabled this form and it is no longer accepting submissions. Your submissions was not accepted'), 403
email = form.email
if not form.host:
# add the host to the form
form.host = host
DB.session.add(form)
DB.session.commit()
# it is an error when
# form is not sitewide, and submission came from a different host
# form is sitewide, but submission came from a host rooted somewhere else, or
elif (not form.sitewide and
# ending slashes can be safely ignored here:
form.host.rstrip('/') != host.rstrip('/')) or \
(form.sitewide and \
# removing www from both sides makes this a neutral operation:
not remove_www(host).startswith(remove_www(form.host))
):
g.log.info('Submission rejected. From a different host than confirmed.')
if request_wants_json():
return jsonerror(403, {
'error': "Submission from different host than confirmed",
'submitted': host, 'confirmed': form.host
})
else:
return render_template('error.html',
title='Check form address',
text='This submission came from "%s" but the form was\
confirmed for address "%s"' % (host, form.host)), 403
else:
# no form row found. it is an error.
g.log.info('Submission rejected. No form found for this target.')
if request_wants_json():
return jsonerror(400, {'error': "Invalid email address"})
else:
return render_template('error.html',
title='Check email address',
text='Email address %s is not formatted correctly' \
% str(email_or_string)), 400
else:
# in this case, it is a normal email
email = email_or_string.lower()
# get the form for this request
form = Form.query.filter_by(hash=HASH(email, host)).first() \
or Form(email, host) # or create it if it doesn't exists
# Check if it has been assigned about using AJAX or not
assign_ajax(form, request_wants_json())
if form.disabled:
g.log.info('submission rejected. Form is disabled.')
if request_wants_json():
return jsonerror(403, {'error': 'Form not active'})
else:
return render_template('error.html',
title='Form not active',
text='The owner of this form has disabled this form and it is no longer accepting submissions. Your submissions was not accepted'), 403
# If form exists and is confirmed, send email
# otherwise send a confirmation email
if form.confirmed:
captcha_verified = verify_captcha(received_data, request)
needs_captcha = not (request_wants_json() or
captcha_verified or
settings.TESTING)
# if form is upgraded check if captcha is disabled
if form.upgraded:
needs_captcha = needs_captcha and not form.captcha_disabled
if needs_captcha:
data_copy = received_data.copy()
# Temporarily store hostname in redis while doing captcha
nonce = temp_store_hostname(form.host, request.referrer)
data_copy['_host_nonce'] = nonce
action = urljoin(settings.API_ROOT, email_or_string)
try:
if '_language' in received_data:
return render_template('forms/captcha_lang/{}.html'.format(received_data['_language']),
data=data_copy,
sorted_keys=sorted_keys,
action=action,
lang=received_data['_language'])
except TemplateNotFound:
g.log.error('Requested language not found for reCAPTCHA page, defaulting to English', referrer=request.referrer, lang=received_data['_language'])
pass
return render_template('forms/captcha.html',
data=data_copy,
sorted_keys=sorted_keys,
action=action,
lang=None)
status = form.send(received_data, sorted_keys, referrer)
else:
status = form.send_confirmation(store_data=received_data)
# Respond to the request accordingly to the status code
if status['code'] == Form.STATUS_EMAIL_SENT:
if request_wants_json():
return jsonify({'success': "email sent", 'next': status['next']})
else:
return redirect(status['next'], code=302)
elif status['code'] == Form.STATUS_EMAIL_EMPTY:
if request_wants_json():
return jsonerror(400, {'error': "Can't send an empty form"})
else:
return render_template(
'error.html',
title='Can\'t send an empty form',
text=u'<p>Make sure you have placed the <a href="http://www.w3schools.com/tags/att_input_name.asp" target="_blank"><code>"name"</code> attribute</a> in all your form elements. Also, to prevent empty form submissions, take a look at the <a href="http://www.w3schools.com/tags/att_input_required.asp" target="_blank"><code>"required"</code> property</a>.</p><p>This error also happens when you have an <code>"enctype"</code> attribute set in your <code><form></code>, so make sure you don\'t.</p><p><a href="{}">Return to form</a></p>'.format(referrer)
), 400
elif status['code'] == Form.STATUS_CONFIRMATION_SENT or \
status['code'] == Form.STATUS_CONFIRMATION_DUPLICATED:
if request_wants_json():
return jsonify({'success': "confirmation email sent"})
else:
return render_template('forms/confirmation_sent.html',
email=email,
host=host,
resend=status['code'] == Form.STATUS_CONFIRMATION_DUPLICATED
)
elif status['code'] == Form.STATUS_OVERLIMIT:
if request_wants_json():
return jsonify({'error': "form over quota"})
else:
return render_template('error.html', title='Form over quota', text='It looks like this form is getting a lot of submissions and ran out of its quota. Try contacting this website through other means or try submitting again later.'), 402
elif status['code'] == Form.STATUS_REPLYTO_ERROR:
if request_wants_json():
return jsonerror(500, {'error': "_replyto or email field has not been sent correctly"})
else:
return render_template(
'error.html',
title='Invalid email address',
text=u'You entered <span class="code">{address}</span>. That is an invalid email address. Please correct the form and try to submit again <a href="{back}">here</a>.<p style="font-size: small">This could also be a problem with the form. For example, there could be two fields with <span class="code">_replyto</span> or <span class="code">email</span> name attribute. If you suspect the form is broken, please contact the form owner and ask them to investigate</p>'''.format(address=status['address'], back=status['referrer'])
), 400
# error fallback -- shouldn't happen
if request_wants_json():
return jsonerror(500, {'error': "Unable to send email"})
else:
return render_template(
'error.html',
title='Unable to send email',
text=u'Unable to send email. If you can, please send the link to your form and the error information to <b>{email}</b>. And send them the following: <p><pre><code>{message}</code></pre></p>'.format(message=json.dumps(status), email=settings.CONTACT_EMAIL)
), 500