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demo.py
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from gevent import monkey; monkey.patch_all()
import gevent
from bottle import get, post, route, run, template, request, response, static_file, redirect
import logging
import decimal
import simplejson
import hashlib
import sqlite3
import io
import pprint
import os
import random
import datetime
import socket
import time
import psycopg2
import copy
from demoConfig import getExampleList
pp = pprint.PrettyPrinter(indent=4)
# Env variables
'''
PORT (defaults to 8080)
DATA_DIR (holds the database 'training.db', defaults to .)
LOG_DIR (holds the log file 'training.log', defaults to .)
NATIVE_USER (user name for native postgres, defaults to 'trainingApp'
NATIVE_PASS (password for native postgres, no default)
NATIVE_PORT (defaults to 5432)
NATIVE_HOST (defaults to db001.gda-score.org)
CLOAK_USER (user name for cloak postgres, defaults to 'training'
CLOAK_PASS (password for cloak postgres, no default)
CLOAK_PORT (defaults to 9432)
CLOAK_HOST (defaults to attack.aircloak.com)
'''
# Layout parameters main page
margin = 0.1 # cm
padding = 5 # px
gap = 0.5
fullParWd = 26
fullParHt = 150
listParWd = 5
logoWd = 5
pRightDescHt = 6
listHt = 16
pRightQueriesHt = 6
queryBoxGap = 1
minColWd = 1.8
pRightAnsHt = fullParHt - pRightDescHt - pRightQueriesHt
queryHt = pRightQueriesHt - (4 * gap)
rightTopParHt = queryHt + (3 * gap)
rightParWd = fullParWd - listParWd - gap
rightParHt = fullParHt
descParWd = rightParWd - (2 * gap)
resultsHt = pRightAnsHt - (2 * margin)
dbParWd = (rightParWd / 2) - gap
dbParHt = rightParHt
tabWid = dbParWd
descWd = descParWd - (3 * gap)
descHt = pRightDescHt - gap
listWd = listParWd - (2 * margin)
queryWd = dbParWd + (2 * margin)
spaceWd = queryWd - 1.6
resultsWd = dbParWd - (2 * margin)
# Layout parameters consent page
consentParHt = 10
logoParWd = 7
msgParWd = fullParWd - logoParWd - (3 * gap)
maxNumRows = 100
initClientState = {
'example' : 0,
'exampleHtml' : '',
'exampleList' : [],
'description' : '',
'dbList' : [],
'dbHtml' : '',
'dbname' : '',
'native': {
'sql' : '',
'runSql' : '',
'ans' : [],
'err' : None,
'notices' : '',
'ansHtml' : '',
'cached' : False,
'colInfo' : None,
'conn' : None,
'numRows' : 0,
'duration': 0
},
'cloak': {
'sql' : '',
'runSql' : '',
'ans' : [],
'err' : None,
'notices' : '',
'ansHtml' : '',
'cached' : False,
'colInfo' : None,
'conn' : None,
'numRows' : 0,
'duration': 0
},
}
# global user state
us = {
}
# global other system state
ss = {
'conn' : None,
'cursor' : None,
'dbPath' : '',
'logPath' : '',
'native': {
'host': 'db001.gda-score.org',
'port': 5432,
'user': 'trainingApp',
'password': '',
},
'cloak': {
'host': 'attack.aircloak.com',
'port': 9432,
'user': 'training',
'password': '',
},
}
def makeDbPulldown():
user = getCookie()
s = loadUserState(user)
s['dbList'] = ['']
for ex in s['exampleList']:
if len(ex['dbname']) > 0 and ex['dbname'] not in s['dbList']:
s['dbList'].append(ex['dbname'])
s['dbHtml'] = ''' <select name="database">
<option value=" "> </option> '''
for db in s['dbList']:
if len(db) < 3:
continue
if db == s['dbname']:
s['dbHtml'] += f'''<option value="{db}" selected>{db}</option>'''
else:
s['dbHtml'] += f'''<option value="{db}">{db}</option>'''
s['dbHtml'] += '''</select>'''
return
def makeWelcomeHtml():
html = f'''
<style>
* {{
font-family: "Arial", helvetica, sans-serif;
}}
.par {{
margin: auto;
height: {consentParHt}cm;
width: {fullParWd}cm;
}}
.par-left {{
float: left;
height: {consentParHt}cm;
width: {logoParWd}cm;
}}
.par-right {{
float: right;
height: {consentParHt}cm;
width: {msgParWd}cm;
}}
.button {{
border: none;
font-size: 32;
cursor: pointer;
border-radius: 8px;
}}
.button-consent {{
background-color: #3498DB;
color: white;
}}
img {{
width: {logoParWd}cm
}}
</style>
<br><br><br>
<div class="par">
<div class="par-left">
<img src="logos.png" alt="" style="vertical-align:top">
</div>
<div class="par-right">
<font size="5">
Welcome to the training app for the Aircloak anonymization system.
</font>
<br><br>
<font size="4">
This app requires cookies for correct operation. This app may
record statistics about how the app is used. These statistics are
used to improve the app.
</font>
<br><br>
<form method="get" action="/consent">
<button class="button button-consent" type="submit">
I Agree
</button>
</form>
</div>
</div>
'''
return html
def makeHtml():
user = getCookie()
s = loadUserState(user)
if s['native']['colInfo'] is None:
nativeTabWd = tabWid
else:
nativeCols = len(s['native']['colInfo'])
if nativeCols <= 5:
nativeTabWd = tabWid
else:
nativeTabWd = minColWd * nativeCols
if s['cloak']['colInfo'] is None:
cloakTabWd = tabWid
else:
cloakCols = len(s['cloak']['colInfo'])
if cloakCols <= 5:
cloakTabWd = tabWid
else:
cloakTabWd = minColWd * cloakCols
html = f'''
<style>
* {{
font-family: "Arial", helvetica, sans-serif;
}}
.par {{
margin: auto;
height: {fullParHt}cm;
width: {fullParWd}cm;
}}
.par-left {{
float: left;
height: {fullParHt}cm;
width: {listParWd}cm;
}}
.par-right {{
float: right;
height: {rightParHt}cm;
width: {rightParWd}cm;
}}
.par-right-desc {{
margin: auto;
height: {pRightDescHt}cm;
width: {descParWd}cm;
}}
.par-right-queries {{
/*margin-left: -20px;*/
float: left;
height: {pRightQueriesHt}cm;
width: {rightParWd}cm;
}}
.par-right-answers {{
float: left;
/*margin-left: -20px;*/
height: {pRightAnsHt}cm;
width: {rightParWd}cm;
}}
.par-cloak {{
float: left;
height: {dbParHt}cm;
width: {dbParWd}cm;
font-size: 14px;
overflow: auto;
border-style: none;
}}
.par-native {{
float: right;
height: {dbParHt}cm;
width: {dbParWd}cm;
font-size: 14px;
overflow: auto;
border-style: none;
}}
.items-list {{
overflow: auto;
white-space: wrap;
float: left;
flex-wrap: wrap;
height: {listHt}cm;
width: {listWd}cm;
border-style: groove;
padding: {padding}px;
}}
textarea {{
font-family: "Courier New", Courier, monospace;
font-size: 14px;
font-weight: bold;
overflow: auto;
resize: none;
height: {queryHt}cm;
width: {queryWd}cm;
}}
.ta-cloak {{
background-color: #e6f7ff;
}}
.ta-native {{
background-color: #f7ffe6;
}}
.desc-box {{
white-space: normal;
font-size: 18px;
overflow:auto;
flex-wrap:nowrap;
height: {descHt}cm;
width: {descWd}cm;
margin: auto;
border-style: none;
background-color: #f0f0f5;
padding: {padding}px;
padding-left: 20px;
text-indent: -20px
}}
dd {{
margin-left: 10px;
padding-left: 20px;
text-indent: -20px
}}
img {{
width: {logoWd}cm;
vertical-align:top;
}}
.button {{
border: none;
font-size: 20;
cursor: pointer;
border-radius: 8px;
box-shadow: 0 4px #999;
}}
.button:hover {{background-color: #0000FF}}
.button:active {{
background-color: #0000FF;
box-shadow: 0 5px #666;
transform: translateY(4px);
}}
.button-run {{
background-color: #3498DB;
color: white;
}}
.button-cancel {{
background-color: #D1D1E0;
color: black;
}}
p.desc {{
margin-top: 0;
margin-bottom: 0;
padding-left: 10px;
test-indent: -10px;
}}
a.list {{
text-decoration: none;
target: none;
}}
a:link {{
color: black;
}}
a:visited {{
color: black;
}}
a:hover {{
color: red;
}}
a:active {{
color: red;
}}
table.cloak {{
table-layout: fixed;
width: {cloakTabWd}cm;
border: 1px solid blue;
text-overflow: clipped;
}}
table.native {{
table-layout: fixed;
width: {nativeTabWd}cm;
border: 1px solid green;
text-overflow: clipped;
}}
tr.error {{
background-color: #ffcccc;
border-left: 2px solid black;
}}
tr.native:nth-child(even) {{
background-color: #f7ffe6;
}}
td.cloak {{
font-size: 14px;
border-bottom: 1px solid #1aa3ff;
text-overflow: clipped;
}}
td.native {{
font-size: 14px;
border-bottom: 1px solid #99e600;
text-overflow: clipped;
}}
td.error {{
font-size: 14px;
border-bottom: 1px solid #99e600;
background-color: #ffcccc;
text-overflow: clipped;
border-left: 2px solid black;
border-bottom: 1px solid #e60000;
border-top: 1px solid #e60000;
}}
th.cloak {{
white-space: wrap;
text-align: left;
font-size: 16px;
background-color: #e6f7ff;
}}
th.native {{
white-space: wrap;
text-align: left;
font-size: 16px;
background-color: #f7ffe6;
}}
th.error {{
white-space: wrap;
text-align: left;
font-size: 16px;
background-color: #ffcccc;
border-left: 2px solid black;
border-bottom: 1px solid #e60000;
border-top: 1px solid #e60000;
}}
</style>
<br><br><br>
<div class="par">
<div class="par-left">
<center>
<a target=_self href="/refresh">
<img src="logos.png" alt="" style="vertical-align:top">
</a>
<font size="6" color="#0099cc">
Training App
</font>
</center>
<div class="items-list">{s['exampleHtml']}</div>
</div>
<div class="par-right">
<div class="par-right-desc">
<div class="desc-box">{s['description']}</div>
</div>
<div class="par-right-queries">
<br>
Cloak SQL
<span style="display:inline-block; width: {spaceWd}cm;"></span>
Native SQL
<form action = "/run" method="POST"
enctype="multipart/form-data">
<textarea class="ta-cloak" name = "cloak"
wrap="hard">{s['cloak']['sql']}</textarea>
<textarea class="ta-native" name = "native"
wrap="hard">{s['native']['sql']}</textarea>
<br>
Database:{s['dbHtml']}
    
    
<button class="button button-run" type="submit">
Run
</button>
</form>
</div>
<div class="par-right-answers">
<div class="par-cloak">
{s['cloak']['ansHtml']}
</div>
<div class="par-native">
{s['native']['ansHtml']}
</div>
</div>
</div>
</div>
'''
return html
def getHeaderList(exList):
headerList = []
for i in range(len(exList)):
ex = exList[i]
if len(ex['cloak']['sql']) == 0:
headerList.append(i)
headerList.append(10000000000)
return headerList
def makeExamplesHtml():
user = getCookie()
s = loadUserState(user)
headerList = getHeaderList(s['exampleList'])
html = '''<dl>'''
curHead = 0
blue = s['example']
for i in range(len(s['exampleList'])):
if i == headerList[curHead+1]:
curHead += 1
ex = s['exampleList'][i]
if (len(ex['cloak']['sql']) > 0 and
(blue < headerList[curHead] or
blue >= headerList[curHead+1])):
# This is not a header, and we don't want to list it
continue
end = ''
if len(ex['cloak']['sql']) == 0:
start = '''<dt><strong>'''
end = '''</strong>'''
else:
start = '''<dd>'''
html += f'''{start}<a class="list" href="/example/{i}">'''
if i == s['example']:
html += '''<font color="blue">'''
html += f'''{ex['heading']}'''
if i == s['example']:
html += '''</font>'''
html += f'''</a>{end}'''
html += '''</dl>'''
s['exampleHtml'] = html
return
def is_number(s):
try:
float(s)
return True
except ValueError:
return False
def computeErrors():
user = getCookie()
s = loadUserState(user)
# This routine assume that the last native column is the measure, and the
# previous columns are the values
if s['native']['colInfo'] is None or s['cloak']['colInfo'] is None:
return
if s['native']['colInfo'][0] != s['cloak']['colInfo'][0]:
return
numValCols = len(s['native']['colInfo']) - 1
#if numValCols <= 0:
#return
for i in range(numValCols):
if s['native']['colInfo'][i] != s['cloak']['colInfo'][i]:
return
measureIndex = numValCols
cloakDict = {}
for row in s['cloak']['ans']:
key = ''
for i in range(numValCols):
key += str(row[i]) + ':::'
if is_number(row[measureIndex]) is False:
return
cloakDict[key] = row[measureIndex]
newAns = []
for i in range(len(s['native']['ans'])):
row = s['native']['ans'][i]
newRow = []
for val in row:
newRow.append(val)
key = ''
for i in range(numValCols):
key += str(row[i]) + ':::'
if key in cloakDict:
cVal = cloakDict[key]
nVal = row[measureIndex]
if is_number(row[measureIndex]) is False:
return
absError = round((nVal - cVal),2)
maxVal = max([abs(nVal),abs(cVal)])
if maxVal == 0:
relError = '---'
else:
relError = round((abs(nVal-cVal) / maxVal)*100,2)
newRow.append(f'''{absError}, {relError}%''')
else:
newRow.append('')
newAns.append(newRow)
# Now add new column to native table
colInfo = list(s['native']['colInfo'])
colInfo.append('abs,rel')
s['native']['colInfo'] = colInfo
s['native']['ans'] = newAns
return
def makeAnswerHtml(sys):
user = getCookie()
s = loadUserState(user)
html = f'''{s[sys]['numRows']} rows in {s[sys]['duration']} seconds'''
if s[sys]['cached'] is True:
html += ''' (Cached result)<br>'''
else:
html += '''<br>'''
if s[sys]['err'] is not None and len(s[sys]['err']) > 5:
errMsg = str(s[sys]['err'])
errMsg = errMsg.replace('\n','<br>')
html += f'''<hr><font color="red">{errMsg}</font>'''
s[sys]['ansHtml'] = html
return
if s[sys]['colInfo'] is None:
s[sys]['ansHtml'] = ''
return
print(f"{sys}: {html}")
html += f'''<table class="{sys}">'''
html += '''<tr>'''
for col in s[sys]['colInfo']:
if col == 'abs,rel':
html += f'''<th class="error">{col}</th>'''
else:
html += f'''<th class="{sys}">{col}</th>'''
html += '''</tr>'''
for row in s[sys]['ans']:
html += '''<tr>'''
for i in range(len(row)):
val = row[i]
if s[sys]['colInfo'][i] == 'abs,rel':
html += f'''<td class="error">{val}</td>'''
else:
html += f'''<td class="{sys}">{val}</td>'''
pass
html += '''</tr>'''
html += '''</table>'''
if len(s[sys]['notices']) > 5:
html += f'''<hr><font color="red">{s[sys]['notices']}</font>'''
s[sys]['ansHtml'] = html
return
def readFromCache(s,user):
(conn,c) = validateAndGetCursor()
for sys in ['native','cloak']:
s[sys]['cached'] = False
sql = s[sys]['sql']
key = makeKeyFromSql(sql)
query = f'''SELECT ans, err, colInfo, rows, duration, notices
FROM cache
WHERE query = '{key}' AND sys = '{sys}';'''
c.execute(query)
ans = c.fetchall()
if len(ans) == 0:
# no hit, do nothing
continue
# add 'err'
s[sys]['ans'] = simplejson.loads(ans[0][0])
s[sys]['err'] = ans[0][1]
s[sys]['colInfo'] = simplejson.loads(ans[0][2])
s[sys]['numRows'] = ans[0][3]
s[sys]['duration'] = ans[0][4]
s[sys]['notices'] = ans[0][5]
s[sys]['cached'] = True
global us
#pp.pprint(us[user])
return
def smartRound(val):
for i in [2,3,4,5,6]:
rounded = round(val,i)
asString = str(rounded)
if asString[-2:] == '00':
rounded = round(val,i-1)
return rounded
return rounded
def setPrecision(ans):
newAns = []
for row in ans:
newRow = []
for cell in row:
if isinstance(cell, float) or isinstance(cell, decimal.Decimal):
newRow.append(smartRound(cell))
elif isinstance(cell, datetime.datetime):
newRow.append(str(f"{cell}"))
else:
newRow.append(cell)
newAns.append(newRow)
return newAns
def makeKeyFromSql(sql):
sql = sql.replace('\n',' ')
sql = sql.replace('\r',' ')
return hashlib.sha1(sql.encode('utf-8')).hexdigest()
def entryIsInCache(sys,key):
(conn,c) = validateAndGetCursor()
check = f'''SELECT count(*) FROM cache
WHERE query = '{key}' AND
sys = '{sys}'; '''
c.execute(check)
ans = c.fetchall()
if ans[0][0] == 1:
# already in cache
return True
return False
def deleteCacheEntry(ex,sys):
if len(ex[sys]['sql']) == 0:
return
sql = ex[sys]['sql']
key = makeKeyFromSql(sql)
if not entryIsInCache(sys,key):
return
(conn,c) = validateAndGetCursor()
check = f'''DELETE FROM cache
WHERE query = '{key}' AND
sys = '{sys}'; '''
c.execute(check)
conn.commit()
return
def addExampleToCache(s,ex,sys):
(conn,c) = validateAndGetCursor()
html = ''
job = []
s['dbname'] = ex['dbname']
if len(ex[sys]['sql']) == 0:
return html
sql = ex[sys]['sql']
html += f'''Check sql {sql}<br>'''
key = makeKeyFromSql(sql)
if entryIsInCache(sys,key):
html += f''' Already in cache<br>'''
return html
# Not in cache, so do lookup
job.append(gevent.spawn(doQuery,[sys,sql,s]))
gevent.wait(job)
newAns = setPrecision(s[sys]['ans'])
ansStr = simplejson.dumps(newAns)
colInfoStr = simplejson.dumps(s[sys]['colInfo'])
if s[sys]['err']:
errMsg = s[sys]['err'].replace("'","''")
if 'expectErr' not in ex or ex['expectErr'] == False:
# We don't expect to get an error, so don't cache anything.
# In this way, we will try this cache entry again next time.
html += f''' <font color="red">FAILED</font><br>'''
return html
else:
errMsg = s[sys]['err']
insert = f'''INSERT INTO cache VALUES (
'{key}',
'{sys}',
'{ansStr}',
'{errMsg}',
'{colInfoStr}',
{s[sys]['numRows']},
{s[sys]['duration']},
'{s[sys]['notices']}');
'''
print(insert)
c.execute(insert)
conn.commit()
html += ''' Committed<br>'''
return html
def populateCache():
# make a fake user from which to run the queries
html = ''
s = copy.deepcopy(initClientState)
s['exampleList'] = getExampleList()
for ex in s['exampleList']:
for sys in ['native','cloak']:
html += addExampleToCache(s,ex,sys)
return html
def doQuery(params):
sys = params[0]
sql = params[1]
s = params[2]
print(f"doQuery: {sys}")
print("SQL is:")
print(sql)
# Not 100% sure why the following is necessary. Without it, though,
# there isn't white-space between SQL objects and so the query fails
sql = sql.replace('\n','\n ')
sql = sql.replace('\r','\n ')
connStr = f'''
host={ss[sys]['host']}
port={ss[sys]['port']}
dbname={s['dbname']}
user={ss[sys]['user']}
password={ss[sys]['password']}
'''
#print(connStr)
conn = psycopg2.connect(connStr, async_=1)
while True:
try:
state = conn.poll()
except (psycopg2.Error, psycopg2.ProgrammingError, psycopg2.OperationalError) as e:
end = time.perf_counter()
error = str(f"{e}")
s[sys]['err'] = error
s[sys]['duration'] = 0
if s[sys]['conn']:
s[sys]['conn'].close()
s[sys]['conn'] = None
return
if state == psycopg2.extensions.POLL_OK:
break
gevent.sleep(0.05)
s[sys]['conn'] = conn
cur = conn.cursor()
start = time.perf_counter()
s[sys]['ans'] = []
s[sys]['numRows'] = 0
s[sys]['colInfo'] = None
s[sys]['err'] = None
try:
cur.execute(sql)
except (psycopg2.Error, psycopg2.ProgrammingError, psycopg2.OperationalError) as e:
end = time.perf_counter()
print(f"Error is '{e}'")
s[sys]['err'] = e
s[sys]['duration'] = round(end - start,3)
s[sys]['conn'].close()
s[sys]['conn'] = None
return
while True:
try:
state = conn.poll()
except (psycopg2.Error, psycopg2.ProgrammingError) as e:
end = time.perf_counter()
error = str(f"{e}")
s[sys]['err'] = error
s[sys]['duration'] = round(end - start,3)
s[sys]['conn'].close()
s[sys]['conn'] = None
return
if state == psycopg2.extensions.POLL_OK:
break
gevent.sleep(0.05)
s[sys]['numRows'] = cur.rowcount
s[sys]['colInfo'] = [desc[0] for desc in cur.description]
cur.itersize = maxNumRows
cnt = 0
for row in cur:
s[sys]['ans'].append(row)
cnt += 1
if cnt >= maxNumRows:
break
pass
#pp.pprint(s[sys]['ans'])
#pp.pprint(s[sys]['colInfo'])
end = time.perf_counter()
s[sys]['notices'] = ''
if len(s[sys]['conn'].notices):
# There are notices
for notice in s[sys]['conn'].notices:
if '[Debug]' in notice:
continue
s[sys]['notices'] += notice
s[sys]['ans'] = setPrecision(s[sys]['ans'])
s[sys]['duration'] = round(end - start,3)
s[sys]['conn'].close()
s[sys]['conn'] = None
return
def reloadExamples():
user = getCookie()
s = loadUserState(user)
from demoConfig import getExampleList
s['exampleList'] = getExampleList()
makeDbPulldown()
makeExamplesHtml()
return
def clearCache():
global ss
db = ss['dbPath']
conn = sqlite3.connect(db)
c = conn.cursor()
c.execute('''DROP TABLE IF EXISTS cache''')
conn.close()
buildDatabase()
return
def buildDatabase():
global ss
db = ss['dbPath']
conn = sqlite3.connect(db)
c = conn.cursor()
c.execute('''CREATE TABLE IF NOT EXISTS cache
(query text,
sys text,
ans text,
err text,
colInfo text,
rows integer,
duration real,
notices text);
''')
c.execute('''CREATE TABLE IF NOT EXISTS users
(cookie text, example int, name text, org text)''')
conn.close()
return
def makeDbConnection():
global ss
db = ss['dbPath']
ss['conn'] = sqlite3.connect(db)
ss['cursor'] = ss['conn'].cursor()
return
def connectDatabase():
global ss
db = ss['dbPath']
conn = sqlite3.connect(db)
c = conn.cursor()
ss['conn'] = conn
ss['cursor'] = c
if (not isinstance(ss['conn'], sqlite3.Connection) or
not isinstance(ss['cursor'], sqlite3.Cursor)):
# Should absolutely never happen....
print("Failed to connect to training.db")
quit()
return
def loadUserState(user):
global us
if user is None:
redirect('/')
if user in us:
# already loaded
return us[user]
s = copy.deepcopy(initClientState)
s['example'] = getUserExample(user)
if s['example'] is None:
s['example'] = 0
us[user] = s
return s
def validateAndGetCursor():
global ss
if (not isinstance(ss['conn'], sqlite3.Connection) or
not isinstance(ss['cursor'], sqlite3.Cursor)):
connectDatabase()
return(ss['conn'],ss['cursor'])
def getUserExample(user):
(conn,c) = validateAndGetCursor()
sql = f'''SELECT example FROM users WHERE cookie = '{user}';'''
try:
c.execute(sql)
except sqlite3.Error as er:
print('er:', er.message)
return None
ans = c.fetchall()
if len(ans) == 0:
return None
return ans[0][0]
def putUserExample(user,example):
(conn,c) = validateAndGetCursor()
sql = f'''UPDATE users SET example = '{example}' WHERE cookie = '{user}';'''
try:
c.execute(sql)
except sqlite3.Error as er:
print('er:', er.message)
conn.commit()
return
def makeNewCookieValue():
while True:
user = str(f"{random.randint(0,100000000000000000)}")
example = getUserExample(user)
if example is None:
break
else:
print(f"Never expected to get a collision! ({user})")
return user
def getCookie():
# This is called after the cookie has been set, so we either expect
# a cookie, or (if cookies disabled or no consent) we'll use the IP
# address
cookie = request.get_cookie("user_id")
if cookie is None:
ip = request.environ.get('REMOTE_ADDR')
cookie = hashlib.sha512(ip.encode('utf-8')).hexdigest()
return cookie
def getEnvVars():
global ss
dir_path = os.path.dirname(os.path.realpath(__file__))
env = os.environ.get('DATA_DIR')
if env is not None:
dir_path = env
ss['dbPath'] = os.path.join(dir_path,'training.db')
dir_path = os.path.dirname(os.path.realpath(__file__))
env = os.environ.get('LOG_DIR')
if env is not None:
dir_path = env
ss['logPath'] = os.path.join(dir_path,'training.log')
env = os.environ.get('NATIVE_USER')
if env is not None:
ss['native']['user'] = env