Initial commit

Procfile

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+web: gunicorn facebookbot:app 

facebookbot.py

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+from flask import Flask, request
+import json
+import requests
+
+app = Flask(__name__)
+
+# This needs to be filled with the Page Access Token that will be provided
+# by the Facebook App that will be created.
+PAT = ''
+
+@app.route('/', methods=['GET'])
+def handle_verification():
+  print "Handling Verification."
+  if request.args.get('hub.verify_token', '') == 'baddest_ass_bot_you_know':
+    print "Verification successful!"
+    return request.args.get('hub.challenge', '')
+  else:
+    print "Verification failed!"
+    return 'Error, wrong validation token'
+
+@app.route('/', methods=['POST'])
+def handle_messages():
+  print "Handling Messages"
+  payload = request.get_data()
+  print payload
+  for sender, message in messaging_events(payload):
+    print "Incoming from %s: %s" % (sender, message)
+    send_message(PAT, sender, message)
+  return "ok"
+
+def messaging_events(payload):
+  """Generate tuples of (sender_id, message_text) from the
+  provided payload.
+  """
+  data = json.loads(payload)
+  messaging_events = data["entry"][0]["messaging"]
+  for event in messaging_events:
+    if "message" in event and "text" in event["message"]:
+      yield event["sender"]["id"], event["message"]["text"].encode('unicode_escape')
+    else:
+      yield event["sender"]["id"], "I can't echo this"
+
+
+def send_message(token, recipient, text):
+  """Send the message text to recipient with id recipient.
+  """
+
+  r = requests.post("https://graph.facebook.com/v2.6/me/messages",
+    params={"access_token": token},
+    data=json.dumps({
+      "recipient": {"id": recipient},
+      "message": {"text": text.decode('unicode_escape')}
+    }),
+    headers={'Content-type': 'application/json'})
+  if r.status_code != requests.codes.ok:
+    print r.text
+
+if __name__ == '__main__':
+  app.run()

requirements.txt

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+click==6.6
+Flask==0.11
+gunicorn==19.6.0
+itsdangerous==0.24
+Jinja2==2.8
+MarkupSafe==0.23
+requests==2.10.0
+Werkzeug==0.11.10

static/index.html

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+<h1>Test!</h1>