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# Copyright 2002-2004 CherryPy Team (team@cherrypy.org)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
#
# As a special exception, the CherryPy team gives unlimited permission to
# copy, distribute and modify the CherryPy scripts that are the
# output of CherryPy. You need not follow the terms of the GNU
# General Public License when using or distributing such scripts, even
# though portions of the text of CherryPy appear in them. The GNU
# General Public License (GPL) does govern all other use of the
# material that constitutes the CherryPy program.
#
# Certain portions of the CherryPy source text are designed to be
# copied (in certain cases, depending on the input) into the output of
# CherryPy. We call these the "data" portions. The rest of the
# CherryPY source text consists of comments plus executable code that
# decides which of the data portions to output in any given case. We
# call these comments and executable code the "non-data" portions.
# CherryPy never copies any of the non-data portions into its output.
#
# This special exception to the GPL applies to versions of CherryPy
# released by the CherryPy team. When you make and distribute a modified
# version of CherryPy, you may extend this special exception to the
# GPL to apply to your modified version as well, *unless* your
# modified version has the potential to copy into its output some of
# the text that was the non-data portion of the version that you
# started with. (In other words, unless your change moves or copies
# text from the non-data portions to the data portions.) If your
# modification has such potential, you must delete any notice of this
# special exception to the GPL from your modified version.
##################################
# Common Service Code for CherryPy
##################################
import mimetypes, sha
mimetypes.types_map['.dwg']='image/x-dwg'
mimetypes.types_map['.ico']='image/x-icon'
def _parseFirstLine(data):
data = str(data) # Get rid of unicode
request.path=data.split()[1]
if request.path and request.path[0]=='/': request.path=request.path[1:] # Remove starting '/' if any
request.path=request.path.replace('&', '&') # This case happens for some reason ...
request.browserUrl=request.path
request.paramMap={}
request.filenameMap={}
request.fileTypeMap={}
request.paramTuple=()
request.isXmlRpc=0
i=request.path.find('?')
if i!=-1:
if request.path[i+1:]:
k=request.path[i+1:].find('?')
if k!=-1:
j=request.path[:k].rfind('=')
if j!=-1: request.path=request.path[:j+1] + urllib.quote_plus(request.path[j+1:])
for _paramStr in request.path[i+1:].split('&'):
_sp=_paramStr.split('=')
if len(_sp) > 2:
j=_paramStr.find('=')
_sp=(_paramStr[:j],_paramStr[j+1:])
if len(_sp)==2:
_key, _value=_sp
_value=urllib.unquote_plus(_value)
if request.paramMap.has_key(_key):
# Already has a value: make a list out of it
if type(request.paramMap[_key])==type([]):
# Already is a list: append the new value to it
request.paramMap[_key].append(_value)
else:
# Only had one value so far: start a list
request.paramMap[_key]=[request.paramMap[_key], _value]
else:
request.paramMap[_key]=_value
request.path=request.path[:i]
if request.path and request.path[-1]=='/': request.path=request.path[:-1] # Remove trailing '/' if any
def _parsePostData(_rfile):
# Read request body and put it in _data
_len = int(request.headerMap.get("content-length","0"))
if _len: _data=_rfile.read(_len)
else: _data=""
request.isXmlRpc=0
# Try to parse request body as an XML-RPC call
if 'xmlRpc' in _typeOfRequests and _data and request.headerMap.get("content-type","") == "text/xml":
_xmlRpcPathList = []
if request.path == 'RPC2': pass
elif request.path.find('/') > -1: _xmlRpcPathList = request.path.split('/')
elif not request.path: pass
else: _xmlRpcPathList = [request.path]
try:
try: request.paramTuple,_thisXmlRpcMethod=xmlrpclib.loads(_data)
except: raise "XML-RPC ERROR"
_thisXmlRpcMethod = str(_thisXmlRpcMethod) # Get rid of unicode
request.isXmlRpc=1 # If parsing worked, it is an XML-RPC request
_xmlRpcPathList += _thisXmlRpcMethod.split('.')
except "XML-RPC ERROR":
# error reading data; must not have been an xmlrpc file
pass
if request.isXmlRpc:
request.path = '/'.join(_xmlRpcPathList)
else:
# It's a normal browser call
# Put _data in a StringIO so FieldStorage can read it
_newRfile=cStringIO.StringIO(_data)
_forms=cgi.FieldStorage(fp=_newRfile, headers=request.headerMap, environ={'REQUEST_METHOD':'POST'}, keep_blank_values=1)
for _key in _forms.keys():
# Check if it's a list or not
_valueList=_forms[_key]
if type(_valueList)==type([]):
# It's a list of values
request.paramMap[_key] = []
request.filenameMap[_key] = []
request.fileTypeMap[_key] = []
for item in _valueList:
request.paramMap[_key].append(item.value)
request.filenameMap[_key].append(item.filename)
request.fileTypeMap[_key].append(item.type)
else:
# It's a single value
# In case it's a file being uploaded, we save the filename in a map (user might need it)
request.paramMap[_key]=_valueList.value
request.filenameMap[_key]=_valueList.filename
request.fileTypeMap[_key]=_valueList.type
def _insertIntoHeaderMap(key,value):
request.headerMap[key.lower()]=value
def _doRequest(_wfile):
try:
_handleRequest(_wfile)
except:
_err=""
_exc_info_1=sys.exc_info()[1]
if hasattr(_exc_info_1,'args') and len(_exc_info_1.args)>=1:
_err=_exc_info_1.args[0]
if _err=='global name \'sessionMap\' is not defined':
_error="CherryError:\n"
_error+=" Session data is now manipulated through \"request.sessionMap\" instead of just \"sessionMap\".\n"
_error+=" Check out the HowTo about sessions on the cherrypy.org website to learn how to use sessions.\n"
_wfile.write('%s 200 OK\r\n' % _protocolVersion)
_wfile.write('Content-Type: text/plain\r\n')
_wfile.write('Content-Length: %s\r\n'%len(_error))
_wfile.write('\r\n')
_wfile.write(_error)
return
elif _err=="_emptyClass instance has no attribute 'sessionMap'":
_error="CherryError:\n"
_error+=" You are trying to use sessions but sessions are not enabled in the config file.\n"
_error+=" Check out the HowTo about sessions on the cherrypy.org website to learn how to use sessions.\n"
_wfile.write('%s 200 OK\r\n' % _protocolVersion)
_wfile.write('Content-Type: text/plain\r\n')
_wfile.write('Content-Length: %s\r\n'%len(_error))
_wfile.write('\r\n')
_wfile.write(_error)
return
try:
onError()
_wfile.write('%s %s\r\n' % (response.headerMap['protocolVersion'], response.headerMap['status']))
if response.headerMap.has_key('content-length') and response.headerMap['content-length']==0:
response.headerMap['content-length']=len(response.body)
for _key, _valueList in response.headerMap.items():
if _key not in ('status', 'protocolVersion'):
if type(_valueList)!=type([]): _valueList=[_valueList]
for _value in _valueList:
_wfile.write('%s: %s\r\n'%(_key, _value))
_wfile.write('\r\n')
_wfile.write(response.body)
except:
import traceback, StringIO
_bodyFile=StringIO.StringIO()
traceback.print_exc(file=_bodyFile)
_body=_bodyFile.getvalue()
_bodyFile.close()
_wfile.write('%s 200 OK\r\n' % _protocolVersion)
_wfile.write('Content-Type: text/plain\r\n')
_wfile.write('Content-Length: %s\r\n'%len(_body))
_wfile.write('\r\n')
_wfile.write(_body)
def _sendResponse(_wfile):
# Save page in the cache if needed
_cacheKey=""
try: _cacheKey=request.cacheKey # Cannot use "hasattr", because it fails under jython when threading is turned on
except: pass
if _cacheKey:
_cacheMap[request.cacheKey]=(request.cacheExpire, response.headerMap, response.body)
# Save session data
if _sessionStorageType and not request.isStaticFile:
_sessionId=response.simpleCookie[_sessionCookieName].value
_expirationTime=time.time()+_sessionTimeout*60
ramOrFileOrCookieOrCustomSaveSessionData(_sessionId, request.sessionMap, _expirationTime)
_wfile.write('%s %s\r\n' % (response.headerMap['protocolVersion'], response.headerMap['status']))
for _key, _valueList in response.headerMap.items():
if _key not in ('status', 'protocolVersion'):
if type(_valueList)!=type([]): _valueList=[_valueList]
for _value in _valueList:
_wfile.write('%s: %s\r\n'%(_key, _value))
# Send response cookies
_cookie=response.simpleCookie.output()
# print "Sending back cookie:", _cookie
if _cookie:
_wfile.write(_cookie+'\r\n')
_wfile.write('\r\n')
_wfile.write(response.body)
def _sendCachedPageIfPossible(_now,_wfile):
_cacheKey=""
try: _cacheKey=request.cacheKey # Cannot use "hasattr", because it fails under jython when threading is turned on
except: pass
if _cacheKey:
# Use caching for this page
if _cacheMap.has_key(request.cacheKey) and _cacheMap[request.cacheKey][0]>=_now:
# This page is already in the cache and it hasn't expired yet: use the cached version
dummy, response.headerMap, response.body=_cacheMap[request.cacheKey]
initResponse()
request.cacheKey='' # No need to save the page in the cache again
_sendResponse(_wfile)
return 1
# else:
# Either the page has never been cached, or the cached version expired
# In the case, we build the page normally and it will be saved in the cache
# in the _sendResponse function
return 0
def _handleRequest(_wfile):
_now = time.time()
_year, _month, _day, _hh, _mm, _ss, _wd, _y, _z = time.gmtime(_now)
_date="%s, %02d %3s %4d %02d:%02d:%02d GMT"%(_weekdayname[_wd],_day,_monthname[_month],_year,_hh,_mm,_ss)
response.headerMap={"status": "200 OK", "protocolVersion": _protocolVersion, "content-type": "text/html", "server": "CherryPy/0.10", "date": _date, "set-cookie": [], "content-length": 0}
# Two variables used for streaming
response.wfile = _wfile
response.sendResponse = 1
if _sslKeyFile:
request.base="https://"+request.headerMap['host']
else:
request.base="http://"+request.headerMap['host']
request.browserUrl=request.base+'/'+request.browserUrl
request.isStaticFile = 0
# Flush the cache if needed:
global _lastCacheFlushTime
if _flushCacheDelay and _cacheMap and _lastCacheFlushTime+_flushCacheDelay*60<=_now:
_lastCacheFlushTime=_now
for key, (expire, dummy, dummy) in _cacheMap.items():
if expire<=_now:
del _cacheMap[key]
# Clean up expired sessions if needed:
global _lastSessionCleanUpTime
if _sessionStorageType and _sessionCleanUpDelay and _lastSessionCleanUpTime+_sessionCleanUpDelay*60<=_now:
_lastSessionCleanUpTime=_now
ramOrFileOrCookieOrCustomCleanUpOldSessions()
# Perform some initial operations (such as rewriting url ...)
request.originalPath=request.path
request.originalParamMap=request.paramMap
request.originalParamTuple=request.paramTuple
initRequest()
_path=request.path
# Handle static directories
for urlDir, fsDir in _staticContentList:
if _path == urlDir or _path[:len(urlDir)+1]==urlDir+'/':
request.isStaticFile = 1
if _sendCachedPageIfPossible(_now, _wfile): return
_fname = fsDir+_path[len(urlDir):]
_stat = os.stat(_fname)
if type(_stat) == type(()): # Python2.1
_modifTime = _stat[9]
else:
_modifTime = _stat.st_mtime
_strModifTime = time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(_modifTime))
# Check if browser sent "if-modified-since" in request header
if request.headerMap.has_key('if-modified-since'):
# Check if if-modified-since date is the same as _strModifTime
if request.headerMap['if-modified-since'] == _strModifTime:
response.headerMap = {'status': 304, 'protocolVersion': _protocolVersion, 'date': _date}
response.body = ''
initResponse()
_sendResponse(_wfile)
return
response.headerMap['last-modified'] = _strModifTime
_f=open(_fname, 'rb')
response.body=_f.read()
response.headerMap['content-length']=len(response.body)
_f.close()
# Set content-type based on filename extension
_i=_path.rfind('.')
if _i!=-1: _ext=_path[_i:]
else: _ext=""
_contentType=mimetypes.types_map.get(_ext, "text/plain")
response.headerMap['content-type']=_contentType
initResponse()
_sendResponse(_wfile)
return
# Get session data
if _sessionStorageType and not request.isStaticFile:
_now=time.time()
# First, get sessionId from cookie
try: _sessionId=request.simpleCookie[_sessionCookieName].value
except: _sessionId=None
if _sessionId:
# Load session data from wherever it was stored
_sessionData = ramOrFileOrCookieOrCustomLoadSessionData(_sessionId)
if _sessionData == None:
_sessionId = None
else:
request.sessionMap, _expirationTime = _sessionData
# Check that is hasn't expired
if _now > _expirationTime:
# Session expired
_sessionId = None
# Create a new sessionId if needed
if not _sessionId:
request.sessionMap={}
_sessionId=_generateSessionId()
request.sessionMap['_sessionId'] = _sessionId
response.simpleCookie[_sessionCookieName]=_sessionId
response.simpleCookie[_sessionCookieName]['path']='/'
response.simpleCookie[_sessionCookieName]['version']=1
initNonStaticRequest()
if _sendCachedPageIfPossible(_now, _wfile): return
_path=request.path
# Special case when url is just the host name
if not _path: _path='index'
# Work on path:
# a/b/c/d -> a_b_c.d()
# c -> root.c()
#if request.isXmlRpc: _pathList=_path.split('.')
#else:
_pathList=_path.split('/')
#print "_path:", _path
if len(_pathList)==1: _pathList=['root']+_pathList
_function=None
_myClass='_'.join(_pathList)
if _myClass[:5] == 'root_': _myClass = _myClass[5:]
_myClass2='_'.join(_pathList[:-1])
_function=_pathList[-1]
_originalFunction = _function
# If both mask/view and class have same name, make the mask/view default.
if maskAndViewMap.has_key(_myClass2) and maskAndViewMap[_myClass2].has_key(_function): _myClass = _myClass2
# If the path leads to a class, call index by default.
elif maskAndViewMap.has_key(_myClass): _function = 'index'
_myClass=str(_myClass) # For some reason, _myClass was sometimes unicode (when using XML-RPC)
# print "_myClass:", `_myClass`, "__function:", _function
# Check that class/method exist
try: maskAndViewMap[_myClass][_function]
except KeyError:
tried = 'tried "%s.%s"' % (_myClass2, _originalFunction)
if request.path != "":
tried += ' and "%s.index"' % _myClass
raise str("CherryError: couldn't map URL to an existing non-hidden mask or view (%s)" % tried)
#if not maskAndViewMap.has_key(_myClass): raise str('CherryError: CherryClass "%s" doesn\'t exist'%_myClass)
#elif not maskAndViewMap[_myClass].has_key(_function): raise str('CherryError: CherryClass "%s" doesn\'t have any view or mask method called "%s"'%(_myClass, _function))
# Check that it is not a browser call to an XML-RPC method:
if xmlrpcMaskAndViewMap and not request.isXmlRpc and xmlrpcMaskAndViewMap.has_key(_myClass) and xmlrpcMaskAndViewMap[_myClass].has_key(_function):
raise str('CherryError: Method "%s" of CherryClass "%s" is an XML-RPC method'%(_function, _myClass))
# Check that it is not an XML-RPC call to a regular metohd:
if request.isXmlRpc and (not xmlrpcMaskAndViewMap.has_key(_myClass) or not xmlrpcMaskAndViewMap[_myClass].has_key(_function)):
raise str('CherryError: method "%s" of CherryClass "%s" is not an xmlrpc method'%(_function, _myClass))
# Get result by calling class method
_theObj=globals()[_myClass]
_theMethod=getattr(_theObj,_function)
if request.isXmlRpc:
response.body=_theMethod(*(request.paramTuple))
else:
response.body=_theMethod(**(request.paramMap))
initResponse()
initNonStaticResponse()
if request.isXmlRpc:
# Marshall the result if it's an XML-RPC call
# Wrap the response into a singleton tuple
response.body=(response.body,)
response.body=xmlrpclib.dumps(response.body, methodresponse=1)
# Response type is text/xml for an XML-RPC call
response.headerMap["content-type"]="text/xml"
# Check response.body and set content-length if needed
if type(response.body) != type(""):
if type(response.body) == type(u""): # Potential gotcha: on jython, type("") == type(u"") !!
raise "CherryError: The mask or view returned a unicode string instead of a regular string !"
else:
raise "CherryError: The mask or view didn't return a string !"
if response.headerMap.has_key('content-length') and response.headerMap['content-length']==0:
response.headerMap['content-length']=len(response.body)
if response.sendResponse: _sendResponse(_wfile)
def _generateSessionId():
s=''
for i in range(50):
s+=whrandom.choice(string.letters+string.digits)
s+='%s'%time.time()
return sha.sha(s).hexdigest()
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