def handle_response(self, msg):
# Process replies from Internet servers to clients
# ------------------------------------------------
# First see if we need to show the HTTPS user agreement/certificate download
client_ip = msg.flow.client_conn.address.address[0]
router_ip = global_config["router_IPs"]["local"]
if generate_trust(msg, client_ip, router_ip):
return
content_type = " ".join(msg.headers["content-type"])
if content_type is None or "text/html" not in content_type:
return
if avoid_captive_portal(msg):
return
try:
content_type = " ".join(msg.headers["content-type"])
msg.flow.request.host = "".join(msg.flow.request.headers["host"])
if msg.code != 301 and msg.code != 302 and content_type is not None and "text/html" in content_type and msg.flow.request.host not in ["192.168.1.128", "127.0.0.1", "localhost"]:
# Try to do a local DNS lookup and search by IP for more accurate results
try:
#query = socket.gethostbyaddr(msg.request.host)[2][0]
query = socket.getaddrinfo(msg.flow.request.host, 80)[0][4][0] # I think this is more reliable
except:
query = msg.flow.request.host
r = requests.get("http://freegeoip.net/json/" + query)
log.debug(u"{} - {}".format(msg.flow.request.host, r.content))
try:
j = json.loads(r.content)
country_code = j["country_code"].lower()
region_code = j["region_code"].lower()
# Append "the" before certain countries to sound more natural
if j["country_name"] in ["United States", "United Kingdom", "Netherlands"] and j["region_name"] == "" and j["city"] == "":
j["country_name"] = "the {}".format(j["country_name"])
if country_code not in local_country_codes:
# Just show a flag
notes = ""
if j["region_name"] != "":
if j["city"] != "":
notes = u"It is hosted in {}, {}, {}.".format(j["city"], j["region_name"], j["country_name"])
else:
notes = u"It is hosted in {}, {}.".format(j["region_name"], j["country_name"])
else:
notes = u"It is hosted in {}.".format(j["country_name"])
#notes = u"<span style='font-size: 50%'>" + notes + u"</span>"
flag = country_code
if country_code == "us" and region_code != "":
flag = u"{}-{}".format(country_code, region_code)
template = template_env.get_template('local/notlocal.html')
msg.content = template.render(flag=flag, host=msg.flow.request.host, notes=notes)
#msg.content = u"<html><body style='background: url(http://{}:{}/flags/{}.png); background-size: 100%;'><div style='width: 900px; height: 200px; margin: auto; position: absolute; left:0; right:0; top:0; bottom:0; text-align: center; font-size: 36pt; font-family: sans-serif; font-weight: bold; color: white; line-height: 1.5em; text-shadow: black 0 0 40px;'><div style='background: rgba(0,0,0,.5); width: auto;'>{}<br>IS NOT LOCAL<br>{}</div></div></body></html>".format(options["static-server-host"], options["static-server-port"], flag, msg.flow.request.host.upper(), extras)
# Force unicode
msg.content = msg.content.encode("utf-8")
msg.headers["content-type"] = ["{}; charset=utf-8".format(msg.headers["content-type"][0])]
#if len(msg.headers["content-encoding"]) > 0:
# msg.encode(msg.headers["content-encoding"][0])
# Force uncompressed response
msg.headers["content-encoding"] = [""]
# Don't cache
msg.headers["Pragma"] = ["no-cache"]
msg.headers["Cache-Control"] = ["no-cache, no-store"]
log.info(u"NOT local: <{}>".format(msg.flow.request.host))
else:
log.info(u"LOCAL: <{}>".format(msg.flow.request.host))
except ValueError as e:
#template = template_env.get_template('local/error.html')
template = template_env.get_template('local/notlocal.html')
msg.content = template.render(host=msg.flow.request.host, flag="missing")
#msg.content = "<html><body style='background: url(http://{}:{}/flags/missing.png); background-size: 100%;'><div style='width: 900px; height: 200px; margin: auto; position: absolute; left:0; right:0; top:0; bottom:0; text-align: center; font-size: 36pt; font-family: sans-serif; font-weight: bold; color: white; line-height: 1.5em; text-shadow: black 0 0 40px;'><div style='background: rgba(0,0,0,.5); width: auto;'>I DON'T KNOW WHERE I AM<br><span style='font-size: 50%; line-height: 1.75em;'>Check back later to find out if<br>{}<br>is local.</span></div></div></body></html>".format(options["static-server-host"], options["static-server-port"], msg.flow.request.host.upper())
msg.headers["content-encoding"] = [""]
# Don't cache
msg.headers["Pragma"] = ["no-cache"]
msg.headers["Cache-Control"] = ["no-cache, no-store"]
log.exception(u"<{}> parsing JSON for {} ".format(type(e).__name__, msg.flow.request.host))
except Exception as e:
log.exception(u"<{}> checking {} ".format(type(e).__name__, msg.flow.request.host))
def process_html(self, msg):
if avoid_captive_portal(msg):
return
# Check if the requested URL is already in the database
req = msg.flow.request
url = "{}://{}{}".format(req.get_scheme(), "".join(req.headers["host"]), req.path)
db = sqlite3.connect("db/blackout.db")
db.row_factory = sqlite3.Row
cursor = db.cursor()
cursor.execute('''SELECT * FROM resources WHERE url=?''', (url,))
resource = cursor.fetchone()
client_ip = msg.flow.client_conn.address.address[0]
if resource is None:
# If not, add the URL to the database with current timestamp
# and pass the page on as usual
hostname = get_hostname(client_ip, global_config["router_IPs"]["blackout"]) or client_ip
cursor.execute('''INSERT INTO resources(url, last_accessed, life_remaining, accessed_by) VALUES(?, ?, 0, ?)''',
(url, int(time()), hostname))
db.commit()
else:
# If yes in the database, was it accessed within the past 24 hours?
now = int(time())
then = resource["last_accessed"]
accessed_by = resource["accessed_by"]
blackout_time = 86400 #86400 # 24 hours in seconds
if now - then > blackout_time:
# If not accessed in 24 hours, update the database with the current timestamp
# and pass the page on as usual
hostname = get_hostname(client_ip, global_config["router_IPs"]["blackout"]) or client_ip
cursor.execute('''UPDATE resources SET last_accessed = ?, accessed_by = ? WHERE url = ?''', (now, hostname, url))
db.commit()
else:
# If it was accessed in past 24 hours, display the blackout page with info
then_date = datetime.fromtimestamp(then)
now_date = datetime.fromtimestamp(now)
available_date = then_date + timedelta(0, blackout_time)
time_diff = now_date - then_date
available_diff = available_date - now_date
# Figure natural description for last access day
accessed_day = ""
if time_diff.days == 0:
accessed_day = "today"
elif time_diff.days == 1:
accessed_day = "yesterday"
else:
accessed_day = "{} days ago".format(time_diff.days)
# Figure natural description for day page will be accessible again
available_day = ""
if available_diff.days == 0:
available_day = "today"
elif available_diff.days == 1:
available_day = "tomorrow"
else:
available_day = "in {} days".format(available_diff.days)
blackout_diff = available_date - now_date
minutes,seconds = divmod(blackout_diff.total_seconds(), 60)
hours, minutes = divmod(minutes, 60)
then_string = "{} at {}".format(accessed_day, then_date.strftime("%H:%M"))
template = template_env.get_template("blackout/notavailable.html")
msg.content = template.render(url=url, access_time = then_string, hours=int(hours), minutes=int(minutes), seconds=int(seconds), accessed_by=accessed_by)
# Force unicode
msg.content = msg.content.encode("utf-8")
msg.headers["content-type"] = ["{}; charset=utf-8".format(msg.headers["content-type"][0])]
# Force uncompressed response
msg.headers["content-encoding"] = [""]
# Don't cache
msg.headers["Pragma"] = ["no-cache"]
msg.headers["Cache-Control"] = ["no-cache, no-store"]
# Allow any script
del(msg.headers["content-security-policy"])
db.close()
def handle_response(self, msg):
# First see if we need to show the HTTPS user agreement/certificate download
client_ip = msg.flow.client_conn.address.address[0]
router_ip = global_config["router_IPs"]["surf"]
if generate_trust(msg, client_ip, router_ip):
return
if avoid_captive_portal(msg):
return
try:
# Only worry about HTML for now
content_type = " ".join(msg.headers["content-type"])
content_headers = [x.strip() for x in content_type.split(";")]
charset = None
for head in content_headers:
if head.startswith("charset="):
charset = head[8:].lower()
if content_type is not None and "text/html" in content_type:
req = msg.flow.request
client_ip = msg.flow.client_conn.address.host
url = u"{}://{}{}".format(req.get_scheme(), u"".join(req.headers["host"]), req.path)
#print msg.headers["content-encoding"]
#print dir(msg)
#print msg.get_decoded_content()
# Crawl a little bit if there aren't many pages in the queue yet
if len(waveQueue) < 10:
links = get_links(url, msg.get_decoded_content(), charset = charset)
if len(links) > 0:
l = choice(links)
for i in range(5):
try:
log.debug(u"Crawling {}".format(l))
r = requests.get(l)
waveQueue[l] = r.content.replace("</html>", "")
l = choice(get_links(l, r.content, None))
except requests.ConnectionError:
break
if req.headers["x-surf-changed"] or self.weather_params["FLAT"] or random() < self.weather_params["WAIT"]:
gifs = [ f for f in listdir(gif_dir) if isfile(join(gif_dir,f))]
g = choice(gifs)
# Tranquilo...
message = ""
if self.weather_params["FLAT"]:
message = "Not much happening here..."
else:
if self.weather_params["SIZE"] > 2:
message = "Big waves "
end = "!"
elif self.weather_params["SIZE"] > 1:
message = "A nice swell "
end = "."
else:
message = "A gentle swell "
end = "."
if self.weather_params["SLOP"] >= .1:
message += "but it's all blown out!"
elif self.weather_params["SLOP"] > .5:
message += "with a bit of chop" + end
else:
message += end
template = template_env.get_template("surf/tranquilo.html")
msg.content = (template.render(spots=surf_spots, current_spot = self.current_spot, background=g,
wind = self.weather_params["wind"], waves = self.weather_params["waves"], message = message,
flat = self.weather_params["FLAT"], redirect = url)).encode("utf-8")
#msg.content = "<html><head><META HTTP-EQUIV='CACHE-CONTROL' CONTENT='NO-CACHE'></head><body style='margin: 0px;'><a href='javascript:window.location.reload()'><img src='http://media0.giphy.com/media/u538oVJPQ0Rzi/200.gif' style='border: 0; width: 100%; height: 100%'></a></body></html>"
msg.headers["content-type"] = ["{}; charset=utf-8".format(msg.headers["content-type"][0])]
msg.headers["content-encoding"] = []
# Allow any script
del(msg.headers["content-security-policy"])
else:
new = not waveQueue.has_key(url)
contents = msg.get_decoded_content().replace("</html>", "")
waveQueue[url] = contents
bigWave = {}
output = ""
links = get_links(url, contents, charset = charset)
if self.weather_params["SIZE"] > 1 and len(links) > 0:
# Get links, download one or two at random, append
for i in range(0, int((self.weather_params["SIZE"] - 1) * 3)):
if random() < 0.8:
l = choice(links)
log.debug(u"Adding {}".format(l))
try:
r = requests.get(l)
waveQueue[l] = r.content.replace("</html>", "")
bigWave[l] = waveQueue[l]
except requests.ConnectionError:
log.info(u"Couldn't get link {}".format(l))
survivors = {}
keys = waveQueue.keys()
shuffle(keys)
i = 0
for u in keys:
i += 2
# Always output the current page, maybe some extra junk
if url == u or (random() < self.weather_params["SLOP"] and i < 50):
thispage = waveQueue[u]
insertion_point = randint(0, len(output))
cut_start = randint(0, len(thispage))
cut_stop = randint(cut_start, len(thispage))
if url == u:
cut_start = 0
cut_stop = len(thispage)
#if self.weather_params["SIZE"] < 1:
# cut_stop = len(thispage) * uniform(self.weather_params["SIZE"],1)
log.debug(u"Inserting [{}:{}] from {} at {}".format(cut_start, cut_stop, u, insertion_point))
output = output[:insertion_point] + thispage[cut_start:cut_stop] + output[insertion_point:]
if url == u and len(bigWave) > 0:
for l in bigWave:
output += bigWave[l]
# Give this page a chance to surface again
if new or random() < self.weather_params["REVERBERATE"]:
survivors[u] = waveQueue[u]
else:
survivors[u] = waveQueue[u]
msg.content = output
msg.headers["content-encoding"] = []
# Don't cache
msg.headers["Pragma"] = ["no-cache"]
msg.headers["Cache-Control"] = ["no-cache, no-store"]
# Update the list
waveQueue.clear()
for u in survivors:
waveQueue[u] = survivors[u]
# Don't cache
msg.headers["Pragma"] = ["no-cache"]
msg.headers["Cache-Control"] = ["no-cache, no-store"]
except Exception as e:
log.exception(e)
#print e
#print traceback.format_exc()
msg.reply()
