def send(self, http_form, referrer):
'''
Sends form to user's email.
Assumes sender's email has been verified.
'''
data, keys = http_form_to_dict(http_form)
subject = data.get('_subject', 'New submission from %s' % referrer_to_path(referrer))
reply_to = data.get('_replyto', data.get('email', data.get('Email', None)))
cc = data.get('_cc', None)
next = data.get('_next', url_for('thanks', next=referrer))
spam = data.get('_gotcha', None)
# prevent submitting empty form
if not any(data.values()):
return { 'code': Form.STATUS_EMAIL_EMPTY }
# return a fake success for spam
if spam:
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
# increment the forms counter
self.counter = Form.counter + 1
DB.session.add(self)
DB.session.commit()
# increase the monthly counter
request_date = datetime.datetime.now()
self.increase_monthly_counter(basedate=request_date)
# check if the forms are over the counter and the user is not upgraded
overlimit = False
if self.get_monthly_counter(basedate=request_date) > settings.MONTHLY_SUBMISSIONS_LIMIT:
if not self.owner or not self.owner.upgraded:
overlimit = True
now = datetime.datetime.utcnow().strftime('%I:%M %p UTC - %d %B %Y')
if not overlimit:
text = render_template('email/form.txt', data=data, host=self.host, keys=keys, now=now)
html = render_template('email/form.html', data=data, host=self.host, keys=keys, now=now)
else:
text = render_template('email/overlimit-notification.txt', host=self.host)
html = render_template('email/overlimit-notification.html', host=self.host)
result = send_email(to=self.email,
subject=subject,
text=text,
html=html,
sender=settings.DEFAULT_SENDER,
reply_to=reply_to,
cc=cc)
if not result[0]:
return{ 'code': Form.STATUS_EMAIL_FAILED }
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
def create_form():
# create a new form
if not current_user.upgraded:
g.log.info(
'Failed to create form from dashboard. User is not upgraded.')
return jsonerror(402, {'error': "Please upgrade your account."})
if request.get_json():
email = request.get_json().get('email')
url = request.get_json().get('url')
sitewide = request.get_json().get('sitewide')
else:
email = request.form.get('email')
url = request.form.get('url')
sitewide = request.form.get('sitewide')
g.log = g.log.bind(email=email, url=url, sitewide=sitewide)
if not IS_VALID_EMAIL(email):
g.log.info('Failed to create form from dashboard. Invalid address.')
if request_wants_json():
return jsonerror(
400, {'error': "The provided email address is not valid."})
else:
flash(u'The provided email address is not valid.', 'error')
return redirect(url_for('dashboard'))
g.log.info('Creating a new form from the dashboard.')
email = email.lower() # case-insensitive
form = Form(email, owner=current_user)
if url:
url = 'http://' + url if not url.startswith('http') else url
form.host = referrer_to_path(url)
# sitewide forms, verified with a file at the root of the target domain
if sitewide:
if sitewide_file_check(url, email):
form.host = remove_www(
referrer_to_path(urljoin(url, '/'))[:-1])
form.sitewide = True
else:
return jsonerror(
403,
{'error': u"Couldn't verify the file at {}.".format(url)})
DB.session.add(form)
DB.session.commit()
if form.host:
# when the email and url are provided, we can automatically confirm the form
# but only if the email is registered for this account
for email in current_user.emails:
if email.address == form.email:
g.log.info('No need for email confirmation.')
form.confirmed = True
DB.session.add(form)
DB.session.commit()
break
else:
# in case the email isn't registered for this user
# we automatically send the email confirmation
form.send_confirmation()
if request_wants_json():
return jsonify({
'ok': True,
'hashid': form.hashid,
'submission_url': settings.API_ROOT + '/' + form.hashid,
'confirmed': form.confirmed
})
else:
flash(u'Your new form endpoint was created!', 'success')
return redirect(
url_for('dashboard', new=form.hashid) + '#form-' + form.hashid)
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.
'''
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
host = referrer_to_path(flask.request.referrer)
if not host:
if request_wants_json():
return jsonerror(400, {'error': "Invalid \"Referrer\" header"})
else:
return render_template('error.html',
title='Unable to submit form',
text='Make sure you open this page through a web server, Formspree will not work in pages browsed as HTML files. For geeks: could not find the "Referrer" header.'), 400
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:
email = form.email
if not form.host:
# add the host to the form
form.host = host
DB.session.add(form)
DB.session.commit()
elif form.host != host:
# if the form submission came from a different host, it is an error
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 the address "%s"' % (host, form.host)), 403
else:
# no form row found. it is an error.
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
# 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
# If form exists and is confirmed, send email
# otherwise send a confirmation email
if form.confirmed:
status = form.send(request.form, request.referrer)
else:
status = form.send_confirmation(with_data=request.form)
# 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=str('<p>Make sure you have placed the <a href="http://www.w3schools.com/tags/att_input_name.asp" target="_blank">"name" 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">"required" property</a> or <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input" target="_blank">see more HTML form customization info</a>.</p><p><a href="%s">Return to form</a></p>' % request.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.'
)
# 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='Unable to send email. If you can, please report this immediately to <b>[email protected]</b>. And send them the following: <p><pre><code>' + json.dumps(status) + '</code></pre></p>'), 500
def create_form():
# create a new form
if not current_user.upgraded:
g.log.info('Failed to create form from dashboard. User is not upgraded.')
return jsonerror(402, {'error': "Please upgrade your account."})
if request.get_json():
email = request.get_json().get('email')
url = request.get_json().get('url')
sitewide = request.get_json().get('sitewide')
else:
email = request.form.get('email')
url = request.form.get('url')
sitewide = request.form.get('sitewide')
g.log = g.log.bind(email=email, url=url, sitewide=sitewide)
if not IS_VALID_EMAIL(email):
g.log.info('Failed to create form from dashboard. Invalid address.')
if request_wants_json():
return jsonerror(400, {'error': "The provided email address is not valid."})
else:
flash('The provided email address is not valid.', 'error')
return redirect(url_for('dashboard'))
g.log.info('Creating a new form from the dashboard.')
email = email.lower() # case-insensitive
form = Form(email, owner=current_user)
if url:
url = 'http://' + url if not url.startswith('http') else url
form.host = referrer_to_path(url)
# sitewide forms, verified with a file at the root of the target domain
if sitewide:
if sitewide_file_check(url, email):
form.host = remove_www(referrer_to_path(urljoin(url, '/'))[:-1])
form.sitewide = True
else:
return jsonerror(403, {'error': "Couldn't verify the file at %s." % url})
DB.session.add(form)
DB.session.commit()
if form.host:
# when the email and url are provided, we can automatically confirm the form
# but only if the email is registered for this account
for email in current_user.emails:
if email.address == form.email:
g.log.info('No need for email confirmation.')
form.confirmed = True
DB.session.add(form)
DB.session.commit()
break
else:
# in case the email isn't registered for this user
# we automatically send the email confirmation
form.send_confirmation()
if request_wants_json():
return jsonify({
'ok': True,
'hashid': form.hashid,
'submission_url': settings.API_ROOT + '/' + form.hashid,
'confirmed': form.confirmed
})
else:
flash('Your new form endpoint was created!', 'success')
return redirect(url_for('dashboard', new=form.hashid) + '#form-' + form.hashid)
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
host = referrer_to_path(request.referrer)
if not host:
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>https://</b>{host}.</p><p>For geeks: could not find the "Referrer" header.</p>'.format(host=request.url.split('//')[1])), 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:
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
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
received_data = request.form or request.get_json() or {}
if form.confirmed:
status = form.send(received_data, request.referrer)
else:
status = form.send_confirmation(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=str('<p>Make sure you have placed the <a href="http://www.w3schools.com/tags/att_input_name.asp" target="_blank">"name" 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">"required" property</a> or <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input" target="_blank">see more HTML form customization info</a>.</p><p><a href="%s">Return to form</a></p>' % request.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='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='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(self, http_form, referrer):
'''
Sends form to user's email.
Assumes sender's email has been verified.
'''
data, keys = http_form_to_dict(http_form)
subject = data.get('_subject', 'New submission from %s' % referrer_to_path(referrer))
reply_to = data.get('_replyto', data.get('email', data.get('Email', None)))
cc = data.get('_cc', None)
next = next_url(referrer, data.get('_next'))
spam = data.get('_gotcha', None)
# prevent submitting empty form
if not any(data.values()):
return { 'code': Form.STATUS_EMAIL_EMPTY }
# return a fake success for spam
if spam:
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
# increase the monthly counter
request_date = datetime.datetime.now()
self.increase_monthly_counter(basedate=request_date)
# increment the forms counter
self.counter = Form.counter + 1
DB.session.add(self)
# archive the form contents
sub = Submission(self.id)
sub.data = data
DB.session.add(sub)
# commit changes
DB.session.commit()
# delete all archived submissions over the limit
records_to_keep = settings.ARCHIVED_SUBMISSIONS_LIMIT
newest = self.submissions.with_entities(Submission.id).limit(records_to_keep)
DB.engine.execute(
delete('submissions'). \
where(Submission.form_id == self.id). \
where(~Submission.id.in_(newest))
)
# check if the forms are over the counter and the user is not upgraded
overlimit = False
monthly_counter = self.get_monthly_counter()
if monthly_counter > settings.MONTHLY_SUBMISSIONS_LIMIT:
overlimit = True
if self.controllers:
for c in self.controllers:
if c.upgraded:
overlimit = False
break
now = datetime.datetime.utcnow().strftime('%I:%M %p UTC - %d %B %Y')
if not overlimit:
text = render_template('email/form.txt', data=data, host=self.host, keys=keys, now=now)
html = render_template('email/form.html', data=data, host=self.host, keys=keys, now=now)
else:
if monthly_counter - settings.MONTHLY_SUBMISSIONS_LIMIT > 25:
# only send this overlimit notification for the first 25 overlimit emails
# after that, return an error so the user can know the website owner is not
# going to read his message.
return { 'code': Form.STATUS_EMAIL_FAILED }
text = render_template('email/overlimit-notification.txt', host=self.host)
html = render_template('email/overlimit-notification.html', host=self.host)
result = send_email(to=self.email,
subject=subject,
text=text,
html=html,
sender=settings.DEFAULT_SENDER,
reply_to=reply_to,
cc=cc)
if not result[0]:
return{ 'code': Form.STATUS_EMAIL_FAILED }
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
def send(self, submitted_data, referrer):
'''
Sends form to user's email.
Assumes sender's email has been verified.
'''
if type(submitted_data) in (ImmutableMultiDict, ImmutableOrderedMultiDict):
data, keys = http_form_to_dict(submitted_data)
else:
data, keys = submitted_data, submitted_data.keys()
subject = data.get('_subject', 'New submission from %s' % referrer_to_path(referrer))
reply_to = data.get('_replyto', data.get('email', data.get('Email', ''))).strip()
cc = data.get('_cc', None)
next = next_url(referrer, data.get('_next'))
spam = data.get('_gotcha', None)
format = data.get('_format', None)
# turn cc emails into array
if cc:
cc = [email.strip() for email in cc.split(',')]
# prevent submitting empty form
if not any(data.values()):
return { 'code': Form.STATUS_EMAIL_EMPTY }
# return a fake success for spam
if spam:
g.log.info('Submission rejected.', gotcha=spam)
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
# validate reply_to, if it is not a valid email address, reject
if reply_to and not IS_VALID_EMAIL(reply_to):
g.log.info('Submission rejected. Reply-To is invalid.', reply_to=reply_to)
return { 'code': Form.STATUS_REPLYTO_ERROR, 'error-message': '"%s" is not a valid email address.' % reply_to }
# increase the monthly counter
request_date = datetime.datetime.now()
self.increase_monthly_counter(basedate=request_date)
# increment the forms counter
self.counter = Form.counter + 1
DB.session.add(self)
# archive the form contents
sub = Submission(self.id)
sub.data = data
DB.session.add(sub)
# commit changes
DB.session.commit()
# delete all archived submissions over the limit
records_to_keep = settings.ARCHIVED_SUBMISSIONS_LIMIT
newest = self.submissions.with_entities(Submission.id).limit(records_to_keep)
DB.engine.execute(
delete('submissions'). \
where(Submission.form_id == self.id). \
where(~Submission.id.in_(newest))
)
# check if the forms are over the counter and the user is not upgraded
overlimit = False
monthly_counter = self.get_monthly_counter()
if monthly_counter > settings.MONTHLY_SUBMISSIONS_LIMIT:
overlimit = True
if self.controllers:
for c in self.controllers:
if c.upgraded:
overlimit = False
break
now = datetime.datetime.utcnow().strftime('%I:%M %p UTC - %d %B %Y')
if not overlimit:
text = render_template('email/form.txt', data=data, host=self.host, keys=keys, now=now)
# check if the user wants a new or old version of the email
if format == 'plain':
html = render_template('email/plain_form.html', data=data, host=self.host, keys=keys, now=now)
else:
html = render_template('email/form.html', data=data, host=self.host, keys=keys, now=now)
else:
if monthly_counter - settings.MONTHLY_SUBMISSIONS_LIMIT > 25:
g.log.info('Submission rejected. Form over quota.', monthly_counter=monthly_counter)
# only send this overlimit notification for the first 25 overlimit emails
# after that, return an error so the user can know the website owner is not
# going to read his message.
return { 'code': Form.STATUS_OVERLIMIT }
text = render_template('email/overlimit-notification.txt', host=self.host)
html = render_template('email/overlimit-notification.html', host=self.host)
result = send_email(
to=self.email,
subject=subject,
text=text,
html=html,
sender=settings.DEFAULT_SENDER,
reply_to=reply_to,
cc=cc
)
if not result[0]:
g.log.warning('Failed to send email.', reason=result[1], code=result[2])
if result[1].startswith('Invalid replyto email address'):
return { 'code': Form.STATUS_REPLYTO_ERROR}
return{ 'code': Form.STATUS_EMAIL_FAILED, 'mailer-code': result[2], 'error-message': result[1] }
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
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.
'''
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
host = referrer_to_path(flask.request.referrer)
if not host:
if request_wants_json():
return jsonerror(400, {'error': "Invalid \"Referrer\" header"})
else:
return render_template(
'error.html',
title='Unable to submit form',
text=
'Make sure your form is running on a proper server. For geeks: could not find the "Referrer" header.'
), 400
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:
email = form.email
if not form.host:
# add the host to the form
form.host = host
DB.session.add(form)
DB.session.commit()
elif form.host != host:
# if the form submission came from a different host, it is an error
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 the address "%s"'
% (host, form.host)), 403
else:
# no form row found. it is an error.
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
# 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
# If form exists and is confirmed, send email
# otherwise send a confirmation email
if form.confirmed:
status = form.send(request.form, request.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=str('<a href="%s">Return to form</a>' %
request.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)
if request_wants_json():
return jsonerror(500, {'error': "Unable to send email"})
else:
return render_template('error.html',
title='Unable to send email',
text='Unable to send email'), 500
def send(self, submitted_data, referrer):
'''
Sends form to user's email.
Assumes sender's email has been verified.
'''
if type(submitted_data) in (ImmutableMultiDict, ImmutableOrderedMultiDict):
data, keys = http_form_to_dict(submitted_data)
else:
data, keys = submitted_data, submitted_data.keys()
subject = data.get('_subject', 'New submission from %s' % referrer_to_path(referrer))
reply_to = data.get('_replyto', data.get('email', data.get('Email', ''))).strip()
cc = data.get('_cc', None)
next = next_url(referrer, data.get('_next'))
spam = data.get('_gotcha', None)
format = data.get('_format', None)
# turn cc emails into array
if cc:
cc = [email.strip() for email in cc.split(',')]
# prevent submitting empty form
if not any(data.values()):
return { 'code': Form.STATUS_EMAIL_EMPTY }
# return a fake success for spam
if spam:
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
# validate reply_to, if it is not a valid email address, reject
if reply_to and not IS_VALID_EMAIL(reply_to):
return { 'code': Form.STATUS_REPLYTO_ERROR, 'error-message': '"%s" is not a valid email address.' % reply_to }
# increase the monthly counter
request_date = datetime.datetime.now()
self.increase_monthly_counter(basedate=request_date)
# increment the forms counter
self.counter = Form.counter + 1
DB.session.add(self)
# archive the form contents
sub = Submission(self.id)
sub.data = data
DB.session.add(sub)
# commit changes
DB.session.commit()
# delete all archived submissions over the limit
records_to_keep = settings.ARCHIVED_SUBMISSIONS_LIMIT
newest = self.submissions.with_entities(Submission.id).limit(records_to_keep)
DB.engine.execute(
delete('submissions'). \
where(Submission.form_id == self.id). \
where(~Submission.id.in_(newest))
)
# check if the forms are over the counter and the user is not upgraded
overlimit = False
monthly_counter = self.get_monthly_counter()
if monthly_counter > settings.MONTHLY_SUBMISSIONS_LIMIT:
overlimit = True
if self.controllers:
for c in self.controllers:
if c.upgraded:
overlimit = False
break
now = datetime.datetime.utcnow().strftime('%I:%M %p UTC - %d %B %Y')
if not overlimit:
text = render_template('email/form.txt', data=data, host=self.host, keys=keys, now=now)
# check if the user wants a new or old version of the email
if format == 'plain':
html = render_template('email/plain_form.html', data=data, host=self.host, keys=keys, now=now)
else:
html = render_template('email/form.html', data=data, host=self.host, keys=keys, now=now)
else:
if monthly_counter - settings.MONTHLY_SUBMISSIONS_LIMIT > 25:
# only send this overlimit notification for the first 25 overlimit emails
# after that, return an error so the user can know the website owner is not
# going to read his message.
return { 'code': Form.STATUS_OVERLIMIT }
text = render_template('email/overlimit-notification.txt', host=self.host)
html = render_template('email/overlimit-notification.html', host=self.host)
result = send_email(to=self.email,
subject=subject,
text=text,
html=html,
sender=settings.DEFAULT_SENDER,
reply_to=reply_to,
cc=cc)
if not result[0]:
if result[1].startswith('Invalid replyto email address'):
return { 'code': Form.STATUS_REPLYTO_ERROR}
return{ 'code': Form.STATUS_EMAIL_FAILED, 'mailer-code': result[2], 'error-message': result[1] }
return { 'code': Form.STATUS_EMAIL_SENT, 'next': next }
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.
'''
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
host = referrer_to_path(flask.request.referrer)
if not host:
if request_wants_json():
return jsonerror(400, {'error': "Invalid \"Referrer\" header"})
else:
return render_template('error.html',
title='Unable to submit form',
text='Make sure your form is running on a proper server. For geeks: could not find the "Referrer" header.'), 400
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:
email = form.email
if not form.host:
# add the host to the form
form.host = host
DB.session.add(form)
DB.session.commit()
elif form.host != host:
# if the form submission came from a different host, it is an error
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 the address "%s"' % (host, form.host)), 403
else:
# no form row found. it is an error.
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
# 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
# If form exists and is confirmed, send email
# otherwise send a confirmation email
if form.confirmed:
status = form.send(request.form, request.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=str('<a href="%s">Return to form</a>' % request.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)
if request_wants_json():
return jsonerror(500, {'error': "Unable to send email"})
else:
return render_template('error.html',
title='Unable to send email',
text='Unable to send email'), 500
def send(self, data, keys, referrer):
'''
Sends form to user's email.
Assumes sender's email has been verified.
'''
subject = data.get('_subject') or \
'New submission from %s' % referrer_to_path(referrer)
reply_to = (data.get('_replyto', data.get('email', data.get('Email')))
or '').strip()
cc = data.get('_cc', None)
next = next_url(referrer, data.get('_next'))
spam = data.get('_gotcha', None)
format = data.get('_format', None)
# turn cc emails into array
if cc:
cc = [email.strip() for email in cc.split(',')]
# prevent submitting empty form
if not any(data.values()):
return {'code': Form.STATUS_EMAIL_EMPTY}
# return a fake success for spam
if spam:
g.log.info('Submission rejected.', gotcha=spam)
return {'code': Form.STATUS_EMAIL_SENT, 'next': next}
# validate reply_to, if it is not a valid email address, reject
if reply_to and not IS_VALID_EMAIL(reply_to):
g.log.info('Submission rejected. Reply-To is invalid.',
reply_to=reply_to)
return {
'code': Form.STATUS_REPLYTO_ERROR,
'address': reply_to,
'referrer': referrer
}
# increase the monthly counter
request_date = datetime.datetime.now()
self.increase_monthly_counter(basedate=request_date)
# increment the forms counter
self.counter = Form.counter + 1
DB.session.add(self)
# archive the form contents
sub = Submission(self.id)
sub.data = data
DB.session.add(sub)
# commit changes
DB.session.commit()
# sometimes we'll delete all archived submissions over the limit
if random.random() < settings.EXPENSIVELY_WIPE_SUBMISSIONS_FREQUENCY:
records_to_keep = settings.ARCHIVED_SUBMISSIONS_LIMIT
total_records = DB.session.query(func.count(Submission.id)) \
.filter_by(form_id=self.id) \
.scalar()
if total_records > records_to_keep:
newest = self.submissions.with_entities(
Submission.id).limit(records_to_keep)
DB.engine.execute(
delete('submissions'). \
where(Submission.form_id == self.id). \
where(~Submission.id.in_(newest))
)
# check if the forms are over the counter and the user is not upgraded
overlimit = False
monthly_counter = self.get_monthly_counter()
if monthly_counter > settings.MONTHLY_SUBMISSIONS_LIMIT and not self.upgraded:
overlimit = True
if monthly_counter == int(settings.MONTHLY_SUBMISSIONS_LIMIT *
0.9) and not self.upgraded:
# send email notification
send_email(to=self.email,
subject="[WARNING] Approaching submission limit",
text=render_template('email/90-percent-warning.txt'),
html=render_template('email/90-percent-warning.html'),
sender=settings.DEFAULT_SENDER)
now = datetime.datetime.utcnow().strftime('%I:%M %p UTC - %d %B %Y')
if not overlimit:
text = render_template('email/form.txt',
data=data,
host=self.host,
keys=keys,
now=now)
# check if the user wants a new or old version of the email
if format == 'plain':
html = render_template('email/plain_form.html',
data=data,
host=self.host,
keys=keys,
now=now)
else:
html = render_template('email/form.html',
data=data,
host=self.host,
keys=keys,
now=now)
else:
if monthly_counter - settings.MONTHLY_SUBMISSIONS_LIMIT > 25:
g.log.info('Submission rejected. Form over quota.',
monthly_counter=monthly_counter)
# only send this overlimit notification for the first 25 overlimit emails
# after that, return an error so the user can know the website owner is not
# going to read his message.
return {'code': Form.STATUS_OVERLIMIT}
text = render_template('email/overlimit-notification.txt',
host=self.host)
html = render_template('email/overlimit-notification.html',
host=self.host)
result = send_email(to=self.email,
subject=subject,
text=text,
html=html,
sender=settings.DEFAULT_SENDER,
reply_to=reply_to,
cc=cc)
if not result[0]:
g.log.warning('Failed to send email.',
reason=result[1],
code=result[2])
if result[1].startswith('Invalid replyto email address'):
return {
'code': Form.STATUS_REPLYTO_ERROR,
'address': reply_to,
'referrer': referrer
}
return {
'code': Form.STATUS_EMAIL_FAILED,
'mailer-code': result[2],
'error-message': result[1]
}
return {'code': Form.STATUS_EMAIL_SENT, 'next': next}
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.
'''
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
host = referrer_to_path(flask.request.referrer)
if not host:
if request_wants_json():
return jsonerror(400, {'error': "Invalid \"Referrer\" header"})
else:
return render_template(
'error.html',
title='Unable to submit form',
text=
'Make sure you open this page through a web server, Formspree will not work in pages browsed as HTML files. For geeks: could not find the "Referrer" header.'
), 400
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:
email = form.email
if not form.host:
# add the host to the form
form.host = host
DB.session.add(form)
DB.session.commit()
elif form.host != host:
# if the form submission came from a different host, it is an error
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 the address "%s"'
% (host, form.host)), 403
else:
# no form row found. it is an error.
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
# 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
# If form exists and is confirmed, send email
# otherwise send a confirmation email
if form.confirmed:
status = form.send(request.form, request.referrer)
else:
status = form.send_confirmation(with_data=request.form)
# 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=str(
'<p>Make sure you have placed the <a href="http://www.w3schools.com/tags/att_input_name.asp" target="_blank">"name" 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">"required" property</a> or <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input" target="_blank">see more HTML form customization info</a>.</p><p><a href="%s">Return to form</a></p>'
% request.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.'
)
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='Unable to send email',
text=
'Unable to send email. The field with a name attribute _replyto or email was not set correctly. This may be the result of you have multiple _replyto or email fields. If you cannot find your error, please contact <b>[email protected]</b> with a link to your form and this error message: <p><pre><code>'
+ status['error-message'] + '</code></pre></p>'), 500
# 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=
'Unable to send email. If you can, please send the link to your form and the error information to <b>[email protected]</b>. And send them the following: <p><pre><code>'
+ json.dumps(status) + '</code></pre></p>'), 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
def send(self, http_form, referrer):
'''
Sends form to user's email.
Assumes sender's email has been verified.
'''
data, keys = http_form_to_dict(http_form)
subject = data.get(
'_subject', 'New submission from %s' % referrer_to_path(referrer))
reply_to = data.get('_replyto',
data.get('email', data.get('Email', None)))
cc = data.get('_cc', None)
next = next_url(referrer, data.get('_next'))
spam = data.get('_gotcha', None)
# prevent submitting empty form
if not any(data.values()):
return {'code': Form.STATUS_EMAIL_EMPTY}
# return a fake success for spam
if spam:
return {'code': Form.STATUS_EMAIL_SENT, 'next': next}
# increase the monthly counter
request_date = datetime.datetime.now()
self.increase_monthly_counter(basedate=request_date)
# increment the forms counter
self.counter = Form.counter + 1
DB.session.add(self)
# archive the form contents
sub = Submission(self.id)
sub.data = data
DB.session.add(sub)
# commit changes
DB.session.commit()
# delete all archived submissions over the limit
records_to_keep = settings.ARCHIVED_SUBMISSIONS_LIMIT
newest = self.submissions.with_entities(
Submission.id).limit(records_to_keep)
DB.engine.execute(
delete('submissions'). \
where(Submission.form_id == self.id). \
where(~Submission.id.in_(newest))
)
# check if the forms are over the counter and the user is not upgraded
overlimit = False
monthly_counter = self.get_monthly_counter()
if monthly_counter > settings.MONTHLY_SUBMISSIONS_LIMIT:
overlimit = True
if self.controllers:
for c in self.controllers:
if c.upgraded:
overlimit = False
break
now = datetime.datetime.utcnow().strftime('%I:%M %p UTC - %d %B %Y')
if not overlimit:
text = render_template('email/form.txt',
data=data,
host=self.host,
keys=keys,
now=now)
html = render_template('email/form.html',
data=data,
host=self.host,
keys=keys,
now=now)
else:
if monthly_counter - settings.MONTHLY_SUBMISSIONS_LIMIT > 25:
# only send this overlimit notification for the first 25 overlimit emails
# after that, return an error so the user can know the website owner is not
# going to read his message.
return {'code': Form.STATUS_EMAIL_FAILED}
text = render_template('email/overlimit-notification.txt',
host=self.host)
html = render_template('email/overlimit-notification.html',
host=self.host)
result = send_email(to=self.email,
subject=subject,
text=text,
html=html,
sender=settings.DEFAULT_SENDER,
reply_to=reply_to,
cc=cc)
if not result[0]:
return {'code': Form.STATUS_EMAIL_FAILED}
return {'code': Form.STATUS_EMAIL_SENT, 'next': next}
def create_form():
# create a new form
if not current_user.upgraded:
return jsonerror(402, {'error': "Please upgrade your account."})
if request.get_json():
email = request.get_json().get('email')
url = request.get_json().get('url')
sitewide = request.get_json().get('sitewide')
else:
email = request.form.get('email')
url = request.form.get('url')
sitewide = request.form.get('sitewide')
if not IS_VALID_EMAIL(email):
if request_wants_json():
return jsonerror(400, {'error': "The provided email address is not valid."})
else:
flash('The provided email address is not valid.', 'error')
return redirect(url_for('dashboard'))
form = Form(email, owner=current_user)
if url:
url = 'http://' + url if not url.startswith('http') else url
form.host = referrer_to_path(url)
# sitewide forms, verified with a file at the root of the target domain
if sitewide:
if sitewide_file_exists(url, email):
form.host = remove_www(referrer_to_path(urljoin(url, '/'))[:-1])
form.sitewide = True
else:
return jsonerror(403, {'error': "Couldn't find the verification file."})
DB.session.add(form)
DB.session.commit()
if form.host:
# when the email and url are provided, we can automatically confirm the form
# but only if the email is registered for this account
for email in current_user.emails:
if email.address == form.email:
form.confirmed = True
DB.session.add(form)
DB.session.commit()
break
else:
# in case the email isn't registered for this user
# we automatically send the email confirmation
form.send_confirmation()
if request_wants_json():
return jsonify({
'ok': True,
'hashid': form.hashid,
'submission_url': settings.API_ROOT + '/' + form.hashid,
'confirmed': form.confirmed
})
else:
flash('Your new form endpoint was created!', 'success')
return redirect(url_for('dashboard') + '#view-code-' + form.hashid)