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utils.py
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utils.py
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import re
import hashlib
import hmac
import random
import string
from string import letters
import logging
import json
import time
from google.appengine.ext import blobstore
from google.appengine.ext.webapp import blobstore_handlers
from google.appengine.api import images
from google.appengine.api import mail
from google.appengine.api import app_identity
import cloudstorage as gcs
#for mandrill api
from google.appengine.api import urlfetch
import model
app_id = app_identity.get_application_id()
secret = 'Est!eMi001'
sender_email = "emile.esterhuizen@gmail.com"
# Mandrill
mandrill_key = "9y6hFh8u9Ii6IZj5Ib2Mbg"# "qODMJ7be5Cy68y7M7z6q4w"
# Twitter
twitter_consumer_key = "aUYWh62q9x9k1fL1i65fsgwJm"
twitter_consumer_secret = "BKYCrbAs61xYTXYuxc3OabAiLf7noMExJFQqYEC2Sy91Gl4jfi"
#PW HASHING
def make_pw_hash(name, pw, salt = None):
if not salt:
salt = make_salt()
h = hashlib.sha256(name + pw + salt).hexdigest()
return '%s,%s' % (salt, h)
def make_salt(length=5):
return ''.join(random.choice(letters) for x in xrange(length))
# returns a cookie with a value value|hashedvalue
def make_secure_val(val):
return '%s|%s' % (val, hmac.new(secret, val).hexdigest())
# returns the origional value and validates if given hashed cookie matches our hash of the value
def check_secure_val(secure_val):
val = secure_val.split('|')[0]
if secure_val == make_secure_val(val):
return val
def valid_pw(name, password, h):
salt = h.split(',')[0]
return h == make_pw_hash(name, password, salt)
#REGEX for register validtion
USER_RE = re.compile(r"^[a-zA-Z0-9_-]{3,20}$")
def valid_username(username):
return username and USER_RE.match(username)
PASS_RE = re.compile(r"^.{3,20}$")
def valid_password(password):
return password and PASS_RE.match(password)
EMAIL_RE = re.compile(r'^[\S]+@[\S]+\.[\S]+$')
def valid_email(email):
return email and EMAIL_RE.match(email)
def request_blob_url(self, callback_url, max_bytes):
upload_url = blobstore.create_upload_url(callback_url, max_bytes)
return upload_url
def send_gmail(email, subject, body):
try:
logging.error("sending subscription mail")
message = mail.EmailMessage(sender="Emile <%s>" % sender_email,
subject=subject)
message.to = email
message.html = body
message.send()
except:
logging.error("couldnt send gmail... probably invalid email")
def generate_random_token(N):
return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(N))
# =============================
# Google Cloud Storage
# =============================
# http://storage.googleapis.com/<bucket name>/<object name>
# grant access to AllUsers as a group - Bucket
# grant acc to AllUsers as a group for default object permissions
# comparison between serve adn direct from GCS: http://audio-test.appspot.com
def save_gcs_to_media(gcs_filename, serving_url):
media = model.Media(gcs_filename=gcs_filename, serving_url=serving_url)
media.put()
return media
def save_gcs_to_audio(gcs_filename):
audio = model.Audio(gcs_filename=gcs_filename)
audio.put()
return audio
def save_gcs_to_file(gcs_filename, content_type, filename):
file_obj = model.File(gcs_filename=gcs_filename, content_type=content_type, filename=filename, download_link="http://storage.googleapis.com%s" % gcs_filename[3:])
file_obj.put()
return file_obj
def delete_media(gcs_filename):
images.delete_serving_url(blobstore.create_gs_key(gcs_filename))
gcs.delete(gcs_filename[3:])
return True
def delete_from_gcs(gcs_filename):
if gcs_filename:
images.delete_serving_url(blobstore.create_gs_key(gcs_filename))
gcs.delete(gcs_filename[3:])
def delete_file_from_gcs(gcs_filename):
if gcs_filename:
gcs.delete(gcs_filename[3:])
def save_to_gcs(file_obj):
logging.error(" . . . . . . . . trying to save file...")
serving_url = ''#just assign it adn reassign later
time_stamp = int(time.time())
app_id = app_identity.get_application_id()
fname = '/%s.appspot.com/post_%s.jpg' % (app_id, time_stamp)
# logging.error(fname)
# Content Types
# audio/mpeg
# image/jpeg
gcs_file = gcs.open(fname, 'w', content_type="image/*")
gcs_file.write(file_obj)
gcs_file.close()
height = images.Image(image_data=file_obj).height
width = images.Image(image_data=file_obj).width
gcs_filename = "/gs%s" % fname
serving_url = images.get_serving_url(blobstore.create_gs_key(gcs_filename))
media_obj = save_gcs_to_media(gcs_filename, serving_url)
return media_obj
def save_file_to_gcs(file_req):
logging.error(" . . . . . . in save to gcs")
logging.error(file_req)
filename = file_req.filename
content_type = file_req.type
file_data = file_req.value
time_stamp = int(time.time())
app_id = app_identity.get_application_id()
fname = '/%s.appspot.com/file_%s%s' % (app_id, time_stamp, filename)
if content_type:
gcs_file = gcs.open(fname, 'w', content_type=content_type)
else:
gcs_file = gcs.open(fname, 'w')# reverts to default "binary/octet-stream"
gcs_file.write(file_data)
gcs_file.close()
gcs_filename = "/gs%s" % fname
file_obj = save_gcs_to_file(gcs_filename, content_type, filename)
return file_obj
def upload_image(image):
media_obj = save_to_gcs(image)
json_obj = {
"message":"success",
"media_id": media_obj.key.id(),
"post_id": post.key.id()
}
return json_obj
# ==================================
# Ordering
# ==================================
def order_documents(order):
#not doing anything here yet...s
return True
# ==================================
# Aan de Wijnlanden
# ==================================
def track_erf_click(erf_number):
try:
erf_number = int(erf_number)
erf_click = model.ErfClick.query(model.ErfClick.erf_number == erf_number).get()
if erf_click:
erf_click.clicks += 1
erf_click.put()
else:
erf_click = model.ErfClick(erf_number = erf_number, clicks=1)
erf_click.put()
except:
logging.error("erf click tracking... no dice.")
# ==================================
# CMS utils
# ==================================
def save_content(request):
label = request.get("label")
content_id = request.get("content_id")
title = request.get("title")
subtitle = request.get("subtitle")
text = request.get("text")
image = request.get("image")
if image:
logging.error("HELLO CARROT!...........")
cta_text = request.get("cta_text")
cta_link = request.get("cta_link")
phone = request.get("phone")
email = request.get("email")
contact_name = request.get("contact_name")
address_1 = request.get("address_1")
address_2 = request.get("address_2")
address_3 = request.get("address_3")
if content_id:
content = model.Content.get_by_id(int(content_id))
logging.error(content)
content.title = title
content.subtitle = subtitle
content.text = text
content.label = label
content.cta_text = cta_text
content.cta_link = cta_link
content.phone = phone
content.email = email
content.contact_name = contact_name
content.address_1 = address_1
content.address_2 = address_2
content.address_3 = address_3
if image:
# check if there is already an image... to delete
if content.media_key:
delete_from_gcs(content.media_key.get().gcs_filename)
# replace image
image_media_obj = save_to_gcs(image)
image_media_key = image_media_obj.key
image = image_media_obj.serving_url
content.image = image
content.media_key = image_media_key
content.put()
else:
if image:
image_media_obj = save_to_gcs(image)
image_media_key = image_media_obj.key
image_media_id = str( image_media_obj.key.id() )
image = image_media_obj.serving_url
else:
image = None
image_media_key = None
image_media_id = ''
content = model.Content(
title=title,
subtitle=subtitle,
text=text,
label=label,
image=image,
media_key=image_media_key,
media_id=image_media_id,
phone=phone,
email=email,
contact_name=contact_name,
address_1=address_1,
address_2=address_2,
address_3=address_3,
cta_text=cta_text,
cta_link=cta_link
)
content.put()
content_id = content.key.id()
return content_id
def save_list_content(request):
label = request.get("label")
content_id = request.get("content_id")
titles = request.get_all("title")
l_titles = len(titles)
subtitles = request.get_all("subtitle")
l_subtitles = len(subtitles)
texts = request.get_all("text")
l_texts = len(texts)
images = request.get_all("image")
l_images = len(images)
phones = request.get_all("phone")
l_phones = len(phones)
emails = request.get_all("email")
l_emails = len(emails)
contact_names = request.get_all("contact_name")
l_contact_names = len(contact_names)
address_1s = request.get_all("address_1")
l_address_1s = len(address_1s)
address_2s = request.get_all("address_2")
l_address_2s = len(address_2s)
address_3s = request.get_all("address_3")
l_address_3s = len(address_3s)
cta_texts = request.get_all("cta_text")
l_cta_texts = len(cta_texts)
cta_links = request.get_all("cta_link")
l_cta_links = len(cta_links)
# list_index = request.get("list_index")
length_of_lists = [ l_titles, l_subtitles, l_texts, l_images, l_phones, l_emails, l_contact_names, l_address_1s, l_address_2s, l_address_3s, l_cta_texts, l_cta_links ]
max_length = max(length_of_lists)
logging.error("content_id . . . . . . .")
logging.error(content_id)
if content_id:
# if list_index:
# content = model.Content.get_by_id(int(content_id))
# content.titles[list_index] = titles
# content.subtitles[list_index] = subtitles
# content.texts[list_index] = texts
# content.label = label
# content.cta_texts[list_index] = cta_texts
# content.cta_links[list_index] = cta_links
# content.phones[list_index] = phones
# content.emails[list_index] = emails
# content.contact_names[list_index] = contact_names
# content.address_1s[list_index] = address_1s
# content.address_2s[list_index] = address_2s
# content.address_3s[list_index] = address_3s
# content.num_items = max_length
# if len(content.images) == len(images):
# for idx, image in enumerate(images):
# if image:
# time.sleep(1)
# # new iamge
# new_media_obj = save_to_gcs(image)
# #old image
# old_media_id = content.media_ids[idx]
# if len(old_media_id) > 0:
# old_media_obj = model.Media.get_by_id(int(old_media_id))
# if old_media_obj:
# delete_from_gcs(old_media_obj.gcs_filename)
# old_media_obj.key.delete()
# content.images[idx] = new_media_obj.serving_url
# content.media_ids[idx] = str( new_media_obj.key.id() )
# else:
content = model.Content.get_by_id(int(content_id))
content.titles = titles
content.subtitles = subtitles
content.texts = texts
content.label = label
content.cta_texts = cta_texts
content.cta_links = cta_links
content.phones = phones
content.emails = emails
content.contact_names = contact_names
content.address_1s = address_1s
content.address_2s = address_2s
content.address_3s = address_3s
content.num_items = max_length
if len(content.images) == len(images):
for idx, image in enumerate(images):
if image:
time.sleep(1)
# new iamge
new_media_obj = save_to_gcs(image)
#old image
old_media_id = content.media_ids[idx]
if len(old_media_id) > 0:
old_media_obj = model.Media.get_by_id(int(old_media_id))
if old_media_obj:
delete_from_gcs(old_media_obj.gcs_filename)
old_media_obj.key.delete()
content.images[idx] = new_media_obj.serving_url
content.media_ids[idx] = str( new_media_obj.key.id() )
content.put()
else:
image_list = []
media_id_list = []
for image in images:
if image:
time.sleep(1) # sleep for 1 second to keep file names different, since save_to_gcs function use time to create unique names
media_obj = None
media_obj = save_to_gcs(image)
image_list.append(media_obj.serving_url)
media_id_list.append( str(media_obj.key.id()) )
content = model.Content(
label=label,
titles=titles,
subtitles=subtitles,
texts=texts,
phones=phones,
emails=emails,
contact_names=contact_names,
address_1s=address_1s,
address_2s=address_2s,
address_3s=address_3s,
images=image_list,
media_ids=media_id_list,
cta_links=cta_links,
cta_texts=cta_texts,
num_items=max_length
)
content.put()
return content.key.id()
# ==================================
# Mandrill
# ==================================
def send_mandrill_mail(subject, html, text, email_list):
url = "https://mandrillapp.com/api/1.0/messages/send.json"
form_json = {
"key": mandrill_key,
"message": {
"html": html,
"text": text,
"subject": subject,
"from_email": sender_email,
"from_name": "Emile",
"to": email_list,
"headers": {
"Reply-To": sender_email
},
"important": False,
"track_opens": True,
"track_clicks": True,
"auto_text": None,
"auto_html": None,
"inline_css": None,
"url_strip_qs": None,
"preserve_recipients": False,
"view_content_link": None,
"bcc_address": None,
"tracking_domain": None,
"signing_domain": "http://hollowfish.com",
},
"async": False,
"ip_pool": "Main Pool",
"send_at": None
}
result = urlfetch.fetch(url=url, payload=json.dumps(form_json), method=urlfetch.POST)
logging.error("MANDRILL RESULT")
logging.error(dir(result))
logging.error(result.status_code)
logging.error(json.loads(result.content))