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Email-to-Dropbox vocoder (oops, started this as anon)
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| import os | |
| import re | |
| import smtplib | |
| import sys | |
| import tempfile | |
| import dropbox | |
| from flask import Flask, request | |
| # These are created on Dropbox's developer site | |
| DROPBOX_APP_KEY = 'FIXME' | |
| DROPBOX_APP_SECRET = 'FIXME' | |
| # these you get through running "main.py setup" | |
| DROPBOX_SESSION_TOKEN = 'FIXME' | |
| DROPBOX_SESSION_SECRET = 'FIXME' | |
| # NB: these are found under the "domains" tab of Mailgun, not your admin login creds | |
| MAILGUN_USERNAME = 'FIXME' | |
| MAILGUN_PASSWORD = 'FIXME' | |
| APPROVED_SENDERS = ['[email protected]', '[email protected]'] | |
| HEADER_FIELDS = ['To', 'From', 'Subject', 'Date', 'Reply-To'] | |
| FROM_EMAIL = '[email protected]' | |
| app = Flask(__name__) | |
| def _remove_starts_with(text, prefix): | |
| return re.sub('%s: .*\n' % prefix, '', text) | |
| def _sanitize_email(text): | |
| for s in HEADER_FIELDS: | |
| text = _remove_starts_with(text, s) | |
| text = re.sub('\[http^\]]+\]', '', text) | |
| text = re.sub('<http[^>]+>', '', text) | |
| return text | |
| def _upload_to_dropbox(wav_filename, subject): | |
| sess = dropbox.session.DropboxSession(DROPBOX_APP_KEY, DROPBOX_APP_SECRET, 'app_folder') | |
| sess.set_token(DROPBOX_SESSION_TOKEN, DROPBOX_SESSION_SECRET) | |
| c = dropbox.client.DropboxClient(sess) | |
| f = open(wav_filename, 'r') | |
| c.put_file('/%s.wav' % subject, f) | |
| def _send_email(sender, subject): | |
| body = """To: %s | |
| From: %s | |
| Subject: Re: %s | |
| Your message was received, transcoded, and uploaded to Dropbox""" % (sender, FROM_EMAIL, subject) | |
| smtp = smtplib.SMTP('smtp.mailgun.org', 587) | |
| smtp.login(MAILGUN_USERNAME, MAILGUN_PASSWORD) | |
| smtp.sendmail(FROM_EMAIL, sender, body) | |
| smtp.quit() | |
| @app.route("/read/", methods=['POST']) | |
| def reader(): | |
| sender_email = request.form['sender'] | |
| subject = request.form['subject'] | |
| text = request.form['stripped-text'] | |
| sender = request.form['from'] | |
| if sender_email not in APPROVED_SENDERS: | |
| print "invalid from address" | |
| return "fail" | |
| text = _sanitize_email(text) | |
| # save the email text out to a temp file (easier than piping through stdin, better debugging) | |
| (fd, filename) = tempfile.mkstemp(text=True) | |
| handle = open(filename, "w") | |
| handle.write(text) | |
| handle.close() | |
| print "Text: %s" % filename | |
| # convert the text to a WAV file using espeak | |
| (fd, wav_filename) = tempfile.mkstemp() | |
| os.system('espeak -f %s -w %s' % (filename, wav_filename)) | |
| print "Voice: %s" % wav_filename | |
| # upload to Dropbox app folder | |
| _upload_to_dropbox(wav_filename, subject) | |
| print "uploaded to Dropbox" | |
| # send a confirmation email | |
| _send_email(sender, subject) | |
| print "Email reply sent" | |
| return "ok" | |
| def _auth_to_dropbox(): | |
| # FIXME these could be factored out | |
| sess = dropbox.session.DropboxSession(DROPBOX_APP_KEY, DROPBOX_APP_SECRET, 'app_folder') | |
| sess.set_token(DROPBOX_SESSION_TOKEN, DROPBOX_SESSION_SECRET) | |
| token = sess.obtain_request_token() | |
| print "Go to: %s" % sess.build_authorize_url(token) | |
| raw_input() | |
| print "Save these: %s" % sess.obtain_access_token(token) | |
| if __name__ == '__main__': | |
| if len(sys.argv) > 1 and sys.argv[1] == 'setup': | |
| _auth_to_dropbox() | |
| else: | |
| app.run(host="0.0.0.0") # FIXME note this is dangerous for long-term use (and definitely don't allow debug) but needed to test Mailgun |
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