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Flask REST API sample
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#!/usr/bin/env python | |
#coding=utf8 | |
########################################################################################## | |
import os | |
import logging | |
import logging.handlers | |
import traceback | |
from flask import Flask | |
from flask.ext.restful import reqparse, abort, Api, Resource | |
from flask import request | |
########################################################################################## | |
def getLogger(logname, logdir, logsize=500*1024, logbackup_count=4): | |
if not os.path.exists(logdir): | |
os.makedirs(logdir) | |
logfile='%s/%s.log' % (logdir, logname) | |
loglevel = logging.INFO | |
logger = logging.getLogger(logname) | |
logger.setLevel(loglevel) | |
if logger.handlers is not None and len(logger.handlers) >= 0: | |
for handler in logger.handlers: | |
logger.removeHandler(handler) | |
logger.handlers = [] | |
loghandler = logging.handlers.RotatingFileHandler( | |
logfile, maxBytes=logsize, backupCount=logbackup_count) | |
formatter = logging.Formatter('%(asctime)s-%(name)s-%(levelname)s-%(message)s') | |
loghandler.setFormatter(formatter) | |
logger.addHandler(loghandler) | |
return logger | |
########################################################################################## | |
logger = getLogger('restapi', '/tmp/restapi') | |
########################################################################################## | |
app = Flask(__name__) | |
api = Api(app) | |
from OpenSSL import SSL | |
context = SSL.Context(SSL.SSLv23_METHOD) | |
context.use_privatekey_file('future.key') | |
context.use_certificate_file('future.crt') | |
########################################################################################## | |
class ZoneInfo(Resource): | |
def get(self): | |
logger.info("ZoneInfo.get start...") | |
try: | |
stmt = "select zone,ou,pool,in_ip,ex_ip FROM tm_zone" | |
dlist = [ | |
{'id':1, 'zone':'서울'}, | |
{'id':2, 'zone':'대전'}, | |
{'id':3, 'zone':'부산'}, | |
] | |
rd = { | |
'result':dlist | |
} | |
return rd | |
except Exception, e: | |
logger.error('ZoneInfo.get: Error: %s: %s' % (e, traceback.format_exc())) | |
rd = { | |
'result':[] | |
} | |
return rd | |
finally: | |
rdstr = str(rd) | |
if len(rdstr) > 1024: | |
rdstr = rdstr[:1024] + '...' | |
logger.info("ZoneInfo.get return: %s" % rdstr) | |
########################################################################################## | |
class UserList(Resource): | |
def get(self, tm_id): | |
logger.info("UserList.get start... tm_id=<%s>" % tm_id) | |
try: | |
tm_id = tm_id.encode('utf-8') | |
dlist = [ | |
{'id':11, 'userid':'kdkim'}, | |
{'id':22, 'userid':'kdhong'}, | |
] | |
rd = { | |
'result':dlist | |
} | |
return rd | |
except Exception, e: | |
logger.error('UserList.get: Error: %s: %s' % (e, traceback.format_exc())) | |
rd = { | |
'result':[] | |
} | |
return rd | |
finally: | |
rdstr = str(rd) | |
if len(rdstr) > 1024: | |
rdstr = rdstr[:1024] + '...' | |
logger.info("UserList.get return: %s" % rdstr) | |
########################################################################################## | |
# UserList : get list of TMES master rows which is matching pool_tm_id | |
class UserAuth(Resource): | |
def post(self): | |
rd = { 'result': False } | |
logger.info("UserAuth.get start...") | |
if not (request.form.has_key('userid') and request.form.has_key('passwd')): | |
logger.error('UserAuth.get: Error: invalid POST form of request (userid, passwd)') | |
return rd | |
userid = request.form['userid'].encode('utf-8') | |
passwd = request.form['passwd'].encode('utf-8') | |
try: | |
# authenticate | |
authenticated = userid != 'invalid' | |
rd = { | |
'result': authenticated, | |
} | |
return rd | |
except Exception, e: | |
logger.error('UserAuth.get: Error: %s: %s' % (e, traceback.format_exc())) | |
rd = { 'result': False } | |
return rd | |
finally: | |
rdstr = str(rd) | |
if len(rdstr) > 1024: | |
rdstr = rdstr[:1024] + '...' | |
logger.info("UserAuth.get return: %s" % rdstr) | |
########################################################################################## | |
## Actually setup the Api resource routing here | |
########################################################################################## | |
api.add_resource(UserAuth, '/userAuth') | |
api.add_resource(ZoneInfo, '/zoneInfo') | |
api.add_resource(UserList, '/userList/<string:tm_id>') | |
########################################################################################## | |
if __name__ == '__main__': | |
logger.info("Start RestAPI : listen %s:%s" % ('127.0.0.1', 8443)) | |
app.run( | |
host='127.0.0.1', | |
port=8443, | |
debug = True, | |
ssl_context=context, | |
) |
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__author__ = 'future' | |
########################################################################################## | |
import sys | |
import json | |
import httplib | |
import urllib | |
########################################################################################## | |
def userAuth(host, port, userid, credential): | |
params = urllib.urlencode({'userid': userid, 'passwd': credential}) | |
headers = {"Content-type": "application/x-www-form-urlencoded","Accept": "text/plain"} | |
conn = httplib.HTTPSConnection(host=host, port=port) | |
conn.request("POST", "/userAuth", params, headers) | |
response = conn.getresponse() | |
# print response.status, response.reason | |
data = response.read() | |
conn.close() | |
rdict = json.loads(data) | |
return rdict | |
########################################################################################## | |
def zoneInfo(host, port): | |
getstr='/zoneInfo' | |
import httplib | |
conn = httplib.HTTPSConnection(host=host, port=port) | |
conn.request("GET", getstr) | |
response = conn.getresponse() | |
#print response.status, response.reason | |
if response.status != 200: | |
sys.stderr.write("Error: %s" % response.reason) | |
return 0 | |
data = response.read() | |
rdict = json.loads(data) | |
return rdict | |
########################################################################################## | |
def userList(host, port, tm_id): | |
getstr='/userList/%s' % tm_id | |
import httplib | |
conn = httplib.HTTPSConnection(host=host, port=port) | |
conn.request("GET", getstr) | |
response = conn.getresponse() | |
#print response.status, response.reason | |
if response.status != 200: | |
sys.stderr.write("Error: %s" % response.reason) | |
return 0 | |
data = response.read() | |
rdict = json.loads(data) | |
return rdict | |
########################################################################################## | |
def test(): | |
import pprint | |
host = '127.0.0.1' | |
port = 8443 | |
# userAuth | |
print ">>> Invalid userAuth('invalid', '1234')" | |
print userAuth(host, port, 'invalid', '1234') | |
print ">>> Valid userAuth('nkkang', '2134')" | |
print userAuth(host, port, 'nkkang', '2134') | |
print ">>> Valid userAuth('kdhong', '2134')" | |
print userAuth(host, port, 'kdhong', '2134') | |
# zoneInfo | |
print ">>> zoneInfo()" | |
pprint.pprint(zoneInfo(host, port)) | |
# userList | |
print ">>> userList('1')" | |
print userList(host, port, 1) | |
print ">>> userList('2')" | |
########################################################################################## | |
if __name__ == '__main__': | |
test() |
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