def create(self, request):
# URI to be called
if request.POST.has_key('url'):
url = request.POST['url']
else:
return HttpResponse(
string_concat(['<error>',
_(u"Url not specified"), '</error>']))
# HTTP method, by default is GET
if request.POST.has_key('method'):
method = request.POST['method']
else:
method = "GET"
# Params
if request.POST.has_key('params'):
params = request.POST['params']
# HTTP call
try:
# Request creation
req = Request(url)
# Add POST parameters
if (method == "POST"):
req.add_data(params)
# Add original request Headers to the request
for header in request.META.items():
req.add_header(header[0], header[1])
# The same with cookies
cookies = ''
for cookie in request.COOKIES.items():
cookies = cookies + cookie[0] + '=' + cookie[1] + '; '
req.add_header('Cookie', cookies)
# Open the request
file = urlopen(req)
# Add content-type header to the response
if file.info().has_key('content-type'):
response = HttpResponse(file.read(),
mimetype=file.info()['content-type'])
else:
response = HttpResponse(file.read())
# Add all the headers recieved to the response
headers = file.info().items()
for header in headers:
if is_valid_header(string.lower(header[0])):
response[header[0]] = header[1]
return response
except Exception, e:
return HttpResponseServerError(
"<html><head><title>Error</title></head><body>%s</body></html>"
% e,
mimetype='text/html; charset=UTF-8')
def create(self,request):
# URI to be called
if request.POST.has_key('url'):
url = request.POST['url']
else:
return HttpResponse(string_concat(['<error>',_(u"Url not specified"),'</error>']))
# HTTP method, by default is GET
if request.POST.has_key('method'):
method = request.POST['method']
else:
method = "GET"
# Params
if request.POST.has_key('params'):
params = request.POST['params']
# HTTP call
try:
# Request creation
req = Request (url)
# Add POST parameters
if (method=="POST"):
req.add_data(params)
# Add original request Headers to the request
for header in request.META.items():
req.add_header(header[0], header[1])
# The same with cookies
cookies = ''
for cookie in request.COOKIES.items():
cookies = cookies + cookie[0] + '=' + cookie[1] + '; '
req.add_header('Cookie', cookies)
# Open the request
file = urlopen(req)
# Add content-type header to the response
if file.info().has_key('content-type'):
response = HttpResponse (file.read(), mimetype=file.info()['content-type'])
else:
response = HttpResponse (file.read())
# Add all the headers recieved to the response
headers = file.info().items()
for header in headers:
if is_valid_header (string.lower(header[0])):
response[header[0]] = header[1]
return response
except Exception, e:
return HttpResponseServerError("<html><head><title>Error</title></head><body>%s</body></html>" % e, mimetype='text/html; charset=UTF-8')
def do_request(self, request, url, method, data):
# HTTP call
try:
url = iri_to_uri(url)
# Request creation
proto, host, cgi, param, query = urlparse.urlparse(url)[:5]
# manage proxies with authentication (get it from environment)
proxy = None
for proxy_name in settings.NOT_PROXY_FOR:
if host.startswith(proxy_name):
proxy = urllib2.ProxyHandler({}) # no proxy
break
if not proxy:
#Host is not included in the NOT_PROXY_FOR list => proxy is needed!
proxy = urllib2.ProxyHandler() # proxies from environment
opener = urllib2.build_opener(proxy)
# Adds original request Headers to the request
headers = {}
for header in request.META.items():
header_name = header[0].lower()
if header_name == 'content_type' and header[1]:
headers["content-type"] = header[1]
elif header_name == 'cookie' or header_name == 'http_cookie':
cookie_parser = Cookie.SimpleCookie(header[1])
# Remove EzWeb cookies
if hasattr(settings, 'SESSION_COOKIE_NAME'):
del cookie_parser[settings.SESSION_COOKIE_NAME]
if hasattr(settings, 'CSRF_COOKIE_NAME') and settings.CSRF_COOKIE_NAME in cookie_parser:
del cookie_parser[settings.CSRF_COOKIE_NAME]
content = ', '.join([cookie_parser[key].OutputString() for key in cookie_parser])
if content != '':
headers['Cookie'] = content
elif self.http_headerRE.match(header_name) and not header_name in self.blacklisted_http_headers:
fixed_name = header_name.replace("http_", "", 1).replace('_', '-')
headers[fixed_name] = header[1]
protocolVersion = self.protocolRE.match(request.META['SERVER_PROTOCOL'])
if protocolVersion != None:
protocolVersion = protocolVersion.group(1)
else:
protocolVersion = '1.1'
hostName = self.hostRE.match(request.META['HTTP_HOST'])
if hostName != None:
hostName = hostName.group(1)
else:
hostName = socket.gethostname()
via_header = "%s %s (EzWeb-python-Proxy/1.1)" % (protocolVersion, hostName)
headers["Via"] = via_header
if (method == 'POST' or method == 'PUT') and not 'content-type' in headers:
# Add Content-Type (Servlets bug)
headers['content-type'] = "application/x-www-form-urlencoded"
# Remote user header
if not request.user.is_anonymous():
headers['Remote-User'] = request.user.username
# Open the request
try:
res = self._do_request(opener, method, url, data, headers)
except urllib2.URLError, e:
if e.reason[0] == errno.ECONNREFUSED:
return HttpResponse(status=504)
else:
return HttpResponseNotFound(e.reason)
# Add content-type header to the response
res_info = res.info()
if ('Content-Type' in res_info):
response = HttpResponse(res.read(), mimetype=res_info['Content-Type'])
else:
response = HttpResponse(res.read())
# Set status code to the response
response.status_code = res.code
# Add all the headers received from the response
headers = res.headers
for header in headers:
header_lower = header.lower()
if header_lower == 'set-cookie':
cookie_parser = Cookie.SimpleCookie()
cookies = res.headers.getheaders(header)
for i in range(len(cookies)):
cookie_parser.load(cookies[i])
for key in cookie_parser:
response.set_cookie(key, cookie_parser[key].value, expires=cookie_parser[key]['expires'], path=cookie_parser[key]['path'], domain=cookie_parser[key]['domain'])
elif header_lower == 'via':
via_header = via_header + ', ' + headers[header]
elif is_valid_header(header_lower):
response[header] = headers[header]
response['Via'] = via_header
return response
def create(self, request):
# URI to be called
if request.POST.has_key('url'):
url = request.POST['url']
else:
return HttpResponse(
string_concat(['<error>',
_(u"Url not specified"), '</error>']))
# HTTP method, by default is GET
if request.POST.has_key('method'):
method = request.POST['method']
else:
method = "GET"
# Params
if request.POST.has_key('params'):
params = encode_query(request.POST['params'])
else:
params = ''
# HTTP call
try:
# Request creation
proto, host, cgi, param, query = urlparse.urlparse(url)[:5]
query = encode_query(query)
# Proxy support
proxy = ""
try:
proxy = settings.PROXY_SERVER
except Exception:
proxy = ""
conn = getConnection(proto, proxy, host)
# Adds original request Headers to the request (and modifies Content-Type for Servlets)
headers = {}
has_content_type = False
http_content_type_value = ''
for header in request.META.items():
if (header[0].lower() == 'content-type'):
if (header[1] != None and header[1].lower() != 'none'):
has_content_type = True
if (header[0].lower() == 'http_content_type'):
http_content_type_value = header[1]
headers[header[0]] = header[1]
# Add Content-Type (Servlets bug)
if ((method == 'POST' or method == 'PUT')
and not has_content_type):
if (http_content_type_value != ''):
headers['Content-Type'] = http_content_type_value
else:
headers[
'Content-Type'] = 'application/x-www-form-urlencoded'
# The same with cookies
cookies = ''
for cookie in request.COOKIES.items():
cookies = cookies + cookie[0] + '=' + cookie[1] + '; '
headers['Cookie'] = cookies
# Open the request
if query != '':
cgi = cgi + '?%s' % query
if (proxy != ""):
conn.request(method, url, params, headers)
else:
conn.request(method, cgi, params, headers)
res = conn.getresponse()
# Redirect resolution
MAX_REDIRECTS = 50
index_redirects = 0
while (res.status >= 300) and (res.status < 400):
if (index_redirects >= MAX_REDIRECTS):
return HttpResponse(
'<error>Redirect limit has been exceeded</error>')
index_redirects = index_redirects + 1
url = res.getheader('Location')
proto, host, cgi, param, auxquery = urlparse.urlparse(url)[:5]
conn = getConnection(proto, proxy, host)
auxquery = encode_query(auxquery)
if query != '':
query = query + "&" + auxquery
else:
query = auxquery
if query != '':
cgi = cgi + '?%s' % query
if (proxy != ""):
conn.request(method, url, params, headers)
else:
conn.request(method, cgi, params, headers)
res = conn.getresponse()
# Add content-type header to the response
if res.getheader('content-type'):
response = HttpResponse(res.read(),
mimetype=res.getheader('content-type'))
else:
response = HttpResponse(res.read())
# Set status code to the response
response.status_code = res.status
# Add all the headers recieved to the response
headers = res.getheaders()
for header in headers:
if is_valid_header(string.lower(header[0])):
response[header[0]] = header[1]
return response
except Exception, e:
return HttpResponseServerError(
"<html><head><title>Error HTTP 500</title></head><body>%s</body></html>"
% e,
mimetype='text/html; charset=UTF-8')
def do_request(self, request, url, method, data):
# HTTP call
try:
url = iri_to_uri(url)
# Request creation
proto, host, cgi, param, query = urlparse.urlparse(url)[:5]
# manage proxies with authentication (get it from environment)
proxy = None
for proxy_name in settings.NOT_PROXY_FOR:
if host.startswith(proxy_name):
proxy = urllib2.ProxyHandler({}) # no proxy
break
if not proxy:
#Host is not included in the NOT_PROXY_FOR list => proxy is needed!
proxy = urllib2.ProxyHandler() # proxies from environment
opener = urllib2.build_opener(proxy)
# Adds original request Headers to the request
headers = {}
for header in request.META.items():
header_name = header[0].lower()
if header_name == 'content_type' and header[1]:
headers["content-type"] = header[1]
elif header_name == 'cookie' or header_name == 'http_cookie':
cookie_parser = Cookie.SimpleCookie(header[1])
# Remove EzWeb cookies
if hasattr(settings, 'SESSION_COOKIE_NAME'):
del cookie_parser[settings.SESSION_COOKIE_NAME]
if hasattr(
settings, 'CSRF_COOKIE_NAME'
) and settings.CSRF_COOKIE_NAME in cookie_parser:
del cookie_parser[settings.CSRF_COOKIE_NAME]
content = ', '.join([
cookie_parser[key].OutputString()
for key in cookie_parser
])
if content != '':
headers['Cookie'] = content
elif self.http_headerRE.match(
header_name
) and not header_name in self.blacklisted_http_headers:
fixed_name = header_name.replace("http_", "",
1).replace('_', '-')
headers[fixed_name] = header[1]
protocolVersion = self.protocolRE.match(
request.META['SERVER_PROTOCOL'])
if protocolVersion != None:
protocolVersion = protocolVersion.group(1)
else:
protocolVersion = '1.1'
hostName = self.hostRE.match(request.META['HTTP_HOST'])
if hostName != None:
hostName = hostName.group(1)
else:
hostName = socket.gethostname()
via_header = "%s %s (EzWeb-python-Proxy/1.1)" % (protocolVersion,
hostName)
headers["Via"] = via_header
if (method == 'POST'
or method == 'PUT') and not 'content-type' in headers:
# Add Content-Type (Servlets bug)
headers['content-type'] = "application/x-www-form-urlencoded"
# Remote user header
if not request.user.is_anonymous():
headers['Remote-User'] = request.user.username
# Open the request
try:
res = self._do_request(opener, method, url, data, headers)
except urllib2.URLError, e:
if e.reason[0] == errno.ECONNREFUSED:
return HttpResponse(status=504)
else:
return HttpResponseNotFound(e.reason)
# Add content-type header to the response
res_info = res.info()
if ('Content-Type' in res_info):
response = HttpResponse(res.read(),
mimetype=res_info['Content-Type'])
else:
response = HttpResponse(res.read())
# Set status code to the response
response.status_code = res.code
# Add all the headers received from the response
headers = res.headers
for header in headers:
header_lower = header.lower()
if header_lower == 'set-cookie':
cookie_parser = Cookie.SimpleCookie()
cookies = res.headers.getheaders(header)
for i in range(len(cookies)):
cookie_parser.load(cookies[i])
for key in cookie_parser:
response.set_cookie(
key,
cookie_parser[key].value,
expires=cookie_parser[key]['expires'],
path=cookie_parser[key]['path'],
domain=cookie_parser[key]['domain'])
elif header_lower == 'via':
via_header = via_header + ', ' + headers[header]
elif is_valid_header(header_lower):
response[header] = headers[header]
response['Via'] = via_header
return response
#
# if query != '':
# cgi = cgi + '?%s' % query
#
# if (proxy != ""):
# conn.request(method, url, params, headers)
# else:
# conn.request(method, cgi, params, headers)
#
# res = conn.getresponse()
# Add content-type header to the response
try:
response = HttpResponse (res.read(), mimetype=res.info()['Content-Type'])
except:
response = HttpResponse (res.read())
# Set status code to the response
response.status_code = res.code
# Add all the headers recieved to the response
headers = res.headers
for header in headers:
if is_valid_header (string.lower(header)):
response[header] = headers[header]
return response
except Exception, e:
return HttpResponseServerError("<html><head><title>Error HTTP 500</title></head><body>%s</body></html>" % e, mimetype='text/html; charset=UTF-8')
def create(self,request):
# URI to be called
if request.POST.has_key('url'):
url = request.POST['url']
else:
return HttpResponse(string_concat(['<error>',_(u"Url not specified"),'</error>']))
# HTTP method, by default is GET
if request.POST.has_key('method'):
method = request.POST['method']
else:
method = "GET"
# Params
if request.POST.has_key('params'):
params = request.POST['params']
else:
params = ''
# HTTP call
try:
# Request creation
url = unquote(url)
proto, host, cgi, param, query = urlparse.urlparse(url)[:5]
# Proxy support
proxy = ""
try:
proxy = settings.PROXY_SERVER
except Exception:
proxy = ""
if (proxy != ""):
conn = httplib.HTTPConnection(proxy)
else:
conn = httplib.HTTPConnection(host)
# Add original request Headers to the request
headers = {}
for header in request.META.items():
headers[header[0]] = header[1]
# The same with cookies
cookies = ''
for cookie in request.COOKIES.items():
cookies = cookies + cookie[0] + '=' + cookie[1] + '; '
headers['Cookie'] = cookies
# Open the request
if query != '':
cgi = cgi + '?%s' % query
if (proxy != ""):
conn.request(method, url, params, headers)
else:
conn.request(method, cgi, params, headers)
res = conn.getresponse()
# Redirect resolution
while (res.status >= 300) and (res.status < 400):
url = unquote(res.getheader('Location'))
proto, host, cgi, param, auxquery = urlparse.urlparse(url)[:5]
conn = httplib.HTTPConnection(host)
if query != '':
query = query + "&" + auxquery
else:
query = auxquery
if query != '':
cgi = cgi + '?%s' % query
if (proxy != ""):
conn.request(method, url, params, headers)
else:
conn.request(method, cgi, params, headers)
res = conn.getresponse()
# Add content-type header to the response
if res.getheader('content-type'):
response = HttpResponse (res.read(), mimetype=res.getheader('content-type'))
else:
response = HttpResponse (res.read())
# Set status code to the response
response.status_code = res.status
# Add all the headers recieved to the response
headers = res.getheaders()
for header in headers:
if is_valid_header (string.lower(header[0])):
response[header[0]] = header[1]
return response
except Exception, e:
return HttpResponseServerError("<html><head><title>Error HTTP 500</title></head><body>%s</body></html>" % e, mimetype='text/html; charset=UTF-8')
#
# if query != '':
# cgi = cgi + '?%s' % query
#
# if (proxy != ""):
# conn.request(method, url, params, headers)
# else:
# conn.request(method, cgi, params, headers)
#
# res = conn.getresponse()
# Add content-type header to the response
try:
response = HttpResponse (res.read(), mimetype=res.info()['Content-Type'])
except:
response = HttpResponse (res.read())
# Set status code to the response
response.status_code = res.code
# Add all the headers recieved to the response
headers = res.headers
for header in headers:
if is_valid_header (string.lower(header)):
response[header] = headers[header]
return response
except Exception, e:
return HttpResponseServerError("<html><head><title>Error HTTP 500</title></head><body>%s</body></html>" % e, mimetype='text/html; charset=UTF-8')
def create(self,request):
# URI to be called
if request.POST.has_key('url'):
url = request.POST['url']
else:
return HttpResponse(string_concat(['<error>',_(u"Url not specified"),'</error>']))
# HTTP method, by default is GET
if request.POST.has_key('method'):
method = request.POST['method']
else:
method = "GET"
# Params
if request.POST.has_key('params'):
params = encode_query(request.POST['params'])
else:
params = ''
# HTTP call
try:
# Request creation
proto, host, cgi, param, query = urlparse.urlparse(url)[:5]
query = encode_query(query)
# Proxy support
proxy = ""
try:
proxy = settings.PROXY_SERVER
except Exception:
proxy = ""
conn = getConnection(proto, proxy, host)
# Adds original request Headers to the request (and modifies Content-Type for Servlets)
headers = {}
has_content_type = False
http_content_type_value = ''
for header in request.META.items():
if (header[0].lower() == 'content-type'):
if (header[1] != None and header[1].lower() != 'none'):
has_content_type = True
if (header[0].lower() == 'http_content_type'):
http_content_type_value = header[1]
headers[header[0]] = header[1]
# Add Content-Type (Servlets bug)
if ((method == 'POST' or method == 'PUT') and not has_content_type):
if (http_content_type_value != ''):
headers['Content-Type'] = http_content_type_value
else:
headers['Content-Type'] = 'application/x-www-form-urlencoded'
# The same with cookies
cookies = ''
for cookie in request.COOKIES.items():
cookies = cookies + cookie[0] + '=' + cookie[1] + '; '
headers['Cookie'] = cookies
# Open the request
if query != '':
cgi = cgi + '?%s' % query
if (proxy != ""):
conn.request(method, url, params, headers)
else:
conn.request(method, cgi, params, headers)
res = conn.getresponse()
# Redirect resolution
MAX_REDIRECTS = 50
index_redirects = 0
while (res.status >= 300) and (res.status < 400):
if (index_redirects >= MAX_REDIRECTS):
return HttpResponse('<error>Redirect limit has been exceeded</error>')
index_redirects = index_redirects + 1
url = res.getheader('Location')
proto, host, cgi, param, auxquery = urlparse.urlparse(url)[:5]
conn = getConnection(proto, proxy, host)
auxquery = encode_query(auxquery)
if query != '':
query = query + "&" + auxquery
else:
query = auxquery
if query != '':
cgi = cgi + '?%s' % query
if (proxy != ""):
conn.request(method, url, params, headers)
else:
conn.request(method, cgi, params, headers)
res = conn.getresponse()
# Add content-type header to the response
if res.getheader('content-type'):
response = HttpResponse (res.read(), mimetype=res.getheader('content-type'))
else:
response = HttpResponse (res.read())
# Set status code to the response
response.status_code = res.status
# Add all the headers recieved to the response
headers = res.getheaders()
for header in headers:
if is_valid_header (string.lower(header[0])):
response[header[0]] = header[1]
return response
except Exception, e:
return HttpResponseServerError("<html><head><title>Error HTTP 500</title></head><body>%s</body></html>" % e, mimetype='text/html; charset=UTF-8')
