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_form_delnofilter(form['nofilterhosts'])
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_form_delnofilter(form)
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def exec_form (form): # reset info/error del info[:] del error[:] # proxy port if form.has_key('port'): _form_proxyport(form['port'].value) # proxy user if form.has_key('proxyuser'): _form_proxyuser(form['proxyuser'].value.strip()) # proxy pass if form.has_key('proxypass'): _form_proxypass(base64.encodestring(form['proxypass'].value.strip())) # parent proxy host if form.has_key('parentproxy'): _form_parentproxy(form['parentproxy'].value.strip()) # parent proxy port if form.has_key('parentproxyport'): _form_parentproxyport(form['parentproxyport'].value) # parent proxy user if form.has_key('parentproxyuser'): _form_parentproxyuser(form['parentproxyuser'].value.strip()) # parent proxy pass if form.has_key('parentproxypass'): _form_parentproxypass( base64.encodestring(form['parentproxypass'].value)) # timeout if form.has_key('timeout'): _form_timeout(form['timeout'].value) # filter modules _form_filtermodules(form) # allowed hosts if form.has_key('addallowed') and form.has_key('newallowed'): _form_addallowed(form['newallowed'].value.strip()) elif form.has_key('delallowed') and form.has_key('allowedhosts'): _form_delallowed(form['allowedhosts']) # no filter hosts if form.has_key('addnofilter') and form.has_key('newnofilter'): _form_addnofilter(form['newnofilter'].value.strip()) elif form.has_key('delnofilter') and form.has_key('nofilterhosts'): _form_delnofilter(form['nofilterhosts']) if info: # write changed config config.write_proxyconf()
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def _form_delallowed (hosts): if hasattr(hosts, "value"): delhosts = [hosts.value.strip()] else: delhosts = [ host.value.strip() for host in hosts ] hosts = ip.map2hosts(config['allowedhosts'])
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def _form_removehosts (form, key): toremove = getlist(form, key) hosts = ip.map2hosts(config[key])
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def _form_delallowed (hosts): if hasattr(hosts, "value"): # single host delhosts = [hosts.value.strip()] else: # multiple delhosts = [ host.value.strip() for host in hosts ] hosts = ip.map2hosts(config['allowedhosts']) removed = 0 for host in delhosts: if host in hosts: hosts.remove(host) removed += 1 if removed > 0: config['allowedhosts'] = ip.hosts2map(hosts) config['allowedhostlist'] = sort_seq(hosts) if removed == 1: info.append(i18n._("Allowed host successfully removed")) else: info.append(i18n._("%d allowed hosts successfully removed") % \ removed)
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for host in delhosts:
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for host in toremove:
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def _form_delallowed (hosts): if hasattr(hosts, "value"): # single host delhosts = [hosts.value.strip()] else: # multiple delhosts = [ host.value.strip() for host in hosts ] hosts = ip.map2hosts(config['allowedhosts']) removed = 0 for host in delhosts: if host in hosts: hosts.remove(host) removed += 1 if removed > 0: config['allowedhosts'] = ip.hosts2map(hosts) config['allowedhostlist'] = sort_seq(hosts) if removed == 1: info.append(i18n._("Allowed host successfully removed")) else: info.append(i18n._("%d allowed hosts successfully removed") % \ removed)
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p = wc.ZapperParser(fullname, wconfig, compile_data=False)
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p = wc.configuration.ZapperParser(fullname, wconfig, compile_data=False)
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def update_filter (wconfig, dryrun=False, log=None): """Update the given configuration object with .zap files found at baseurl. If dryrun is True, only print out the changes but do nothing throws IOError on error """ print >> log, _("updating filters"), "..." chg = False baseurl = wconfig['baseurl']+"filter/" url = baseurl+"filter-md5sums.txt" try: page = open_url(url) except IOError, msg: print >> log, _("error fetching %s") % url, msg print >> log, "...", _("done") return chg # remember all local config files filemap = {} for filename in wc.configuration.filterconf_files(wconfig.filterdir): filemap[os.path.basename(filename)] = filename # read md5sums for line in page.read().splitlines(): if "<" in line: print >> log, _("error fetching %s") % url print >> log, "...", _("done") return chg if not line: continue md5sum, filename = line.split() assert filename.endswith('.zap') fullname = os.path.join(wc.ConfigDir, filename) # compare checksums if filemap.has_key(filename): f = file(fullname) data = f.read() digest = list(md5.new(data).digest()) f.close() digest = "".join([ "%0.2x"%ord(c) for c in digest ]) if digest == md5sum: print >> log, \ _("filter %s not changed, ignoring") % filename continue print >> log, _("updating filter %s") % filename else: print >> log, _("adding new filter %s") % filename # parse new filter url = baseurl+filename page = open_url(url) p = wc.ZapperParser(fullname, wconfig, compile_data=False) p.parse(fp=page) page.close() if wconfig.merge_folder(p.folder, dryrun=dryrun, log=log): chg = True url = baseurl+"extern-md5sums.txt" try: page = open_url(url) except IOError, msg: print >> log, _("error fetching %s:") % url, msg print >> log, "...", _("done") return chg lines = page.read().splitlines() page.close() for line in lines: if "<" in line: print >> log, _("error fetching %s:") % url, \ _("invalid content") print >> log, "...", _("done") return chg if not line: continue md5sum, filename = line.split() # XXX UNIX-generated md5sum filenames with subdirs are not portable fullname = os.path.join(wc.ConfigDir, filename) # compare checksums if os.path.exists(fullname): f = file(fullname) data = f.read() digest = list(md5.new(data).digest()) f.close() digest = "".join([ "%0.2x"%ord(c) for c in digest ]) if digest == md5sum: print >> log, \ _("extern filter %s not changed, ignoring")%filename continue print >> log, _("updating extern filter %s") % filename else: print >> log, _("adding new extern filter %s") % filename chg = True if not dryrun: url = baseurl+filename try: page = open_url(url) except IOError, msg: print >> log, _("error fetching %s:") % url, msg continue data = page.read() if not data: print >> log, _("error fetching %s:") % url, \ _("got no data") continue f = file(fullname, 'wb') f.write(data) f.close() print >> log, "...", _("done") return chg
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os.umask(0277)
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os.umask(0177)
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def start (parent_exit=1): """start a daemon using the appropriate pidfile""" # already running? if os.path.exists(pidfile): return _("""WebCleaner already started (lock file found).
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debug(NIGHTMARE, "matched")
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debug(NIGHTMARE, "matched, replacing", `repl`)
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def replace_one(self, ro, repl, data): debug(NIGHTMARE, "checking replacer rule", ro.pattern, "...") offset = 0 mo = ro.search(data, offset) while mo: debug(NIGHTMARE, "matched") data = data[:mo.start()] + repl + data[mo.end():] offset = mo.start()+len(repl) mo = ro.search(data, offset) return data
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offset = mo.start()+len(repl)
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offset = mo.start()+len(repl)+1
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def replace_one(self, ro, repl, data): debug(NIGHTMARE, "checking replacer rule", ro.pattern, "...") offset = 0 mo = ro.search(data, offset) while mo: debug(NIGHTMARE, "matched") data = data[:mo.start()] + repl + data[mo.end():] offset = mo.start()+len(repl) mo = ro.search(data, offset) return data
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else: ratings[category] = value if category not in ["generic", "modified"]: values[category] = {value: True}
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values[key] = value
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def _form_ratings (form): for key, value in _get_prefix_vals(form, 'category_'): category = _get_category(key) if not category.is_valid_value(value): error['categoryvalue'] = True return False else: ratings[category] = value if category not in ["generic", "modified"]: values[category] = {value: True} return True
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global url rating = {} rating.update(ratings) if generic: rating['generic'] = u"true" rating['modified'] = u"%d" % int(_time.time()) if _rating_add(url, rating):
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if url in rating_store: rating = rating_store[url] else: rating = _Rating(url, generic) rating.remove_categories() for catname, value in values.items(): category = _get_category(catname) rating.add_category_value(category, value) rating_store[url] = rating try: rating_store.write()
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def _form_apply (): global url rating = {} rating.update(ratings) if generic: rating['generic'] = u"true" rating['modified'] = u"%d" % int(_time.time()) if _rating_add(url, rating): info['ratingupdated'] = True else: error['ratingupdated'] = True
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else:
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except:
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def _form_apply (): global url rating = {} rating.update(ratings) if generic: rating['generic'] = u"true" rating['modified'] = u"%d" % int(_time.time()) if _rating_add(url, rating): info['ratingupdated'] = True else: error['ratingupdated'] = True
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global config config = Configuration() config.init_filter_modules()
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def startfunc (): if os.name=='posix': import signal signal.signal(signal.SIGHUP, reload_config) global config config = Configuration() config.init_filter_modules() if os.geteuid()==0: # drop root privileges import pwd, grp try: pentry = pwd.getpwnam("nobody") pw_uid = 2 nobody = pentry[pw_uid] gentry = grp.getgrnam("nogroup") gr_gid = 2 nogroup = gentry[gr_gid] os.setgid(nogroup) os.setuid(nobody) except KeyError: print >>sys.stderr, "warning: could not drop root privileges, user nobody and/or group nogroup not found" pass import wc.proxy wc.proxy.mainloop()
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self['strict_whitelist'] = None
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self['strict_whitelist'] = 0
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def reset (self): """Reset to default values""" self['port'] = 8080 self['proxyuser'] = "" self['proxypass'] = "" self['parentproxy'] = "" self['parentproxyport'] = 3128 self['parentproxyuser'] = "" self['parentproxypass'] = "" self['logfile'] = "" self['strict_whitelist'] = None self['debuglevel'] = 0 self['rules'] = [] self['filters'] = [] self['filterlist'] = [[],[],[],[],[],[],[],[],[],[]] self['errorlen'] = ErrorLen self['errortext'] = ErrorText self['colorize'] = None self['noproxyfor'] = {} self['allowedhosts'] = {} self['starttime'] = time.time() self['requests'] = {'valid':0, 'error':0, 'blocked':0} self['local_sockets_only'] = None self['localip'] = socket.gethostbyname(socket.gethostname()) self['mime_content_rewriting'] = [] self['headersave'] = 100 self['showerrors'] = None
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self['colorize'] = None
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self['colorize'] = 0
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def reset (self): """Reset to default values""" self['port'] = 8080 self['proxyuser'] = "" self['proxypass'] = "" self['parentproxy'] = "" self['parentproxyport'] = 3128 self['parentproxyuser'] = "" self['parentproxypass'] = "" self['logfile'] = "" self['strict_whitelist'] = None self['debuglevel'] = 0 self['rules'] = [] self['filters'] = [] self['filterlist'] = [[],[],[],[],[],[],[],[],[],[]] self['errorlen'] = ErrorLen self['errortext'] = ErrorText self['colorize'] = None self['noproxyfor'] = {} self['allowedhosts'] = {} self['starttime'] = time.time() self['requests'] = {'valid':0, 'error':0, 'blocked':0} self['local_sockets_only'] = None self['localip'] = socket.gethostbyname(socket.gethostname()) self['mime_content_rewriting'] = [] self['headersave'] = 100 self['showerrors'] = None
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self['local_sockets_only'] = None
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self['local_sockets_only'] = 0
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def reset (self): """Reset to default values""" self['port'] = 8080 self['proxyuser'] = "" self['proxypass'] = "" self['parentproxy'] = "" self['parentproxyport'] = 3128 self['parentproxyuser'] = "" self['parentproxypass'] = "" self['logfile'] = "" self['strict_whitelist'] = None self['debuglevel'] = 0 self['rules'] = [] self['filters'] = [] self['filterlist'] = [[],[],[],[],[],[],[],[],[],[]] self['errorlen'] = ErrorLen self['errortext'] = ErrorText self['colorize'] = None self['noproxyfor'] = {} self['allowedhosts'] = {} self['starttime'] = time.time() self['requests'] = {'valid':0, 'error':0, 'blocked':0} self['local_sockets_only'] = None self['localip'] = socket.gethostbyname(socket.gethostname()) self['mime_content_rewriting'] = [] self['headersave'] = 100 self['showerrors'] = None
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if self.defer_data and data: self.defer_data = False self.client.server_response(self, self.response, self.statuscode, self.headers) if not self.client: return
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if data: if self.defer_data: self.defer_data = False self.client.server_response(self, self.response, self.statuscode, self.headers) if not self.client: return
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def process_content (self): """ Process server data: filter it and write it to client. """ data = self.read(self.bytes_remaining) wc.log.debug(wc.LOG_PROXY, "%s process %d bytes", self, len(data)) if self.bytes_remaining is not None: # If we do know how many bytes we're dealing with, # we'll close the connection when we're done self.bytes_remaining -= len(data) wc.log.debug(wc.LOG_PROXY, "%s %d bytes remaining", self, self.bytes_remaining) is_closed = False for decoder in self.decoders: data = decoder.decode(data) wc.log.debug(wc.LOG_PROXY, "%s have run decoder %s", self, decoder) if not is_closed and decoder.closed: is_closed = True try: for stage in FilterStages: data = wc.filter.applyfilter(stage, data, "filter", self.attrs) except wc.filter.FilterWait, msg: wc.log.debug(wc.LOG_PROXY, "%s FilterWait %s", self, msg) except wc.filter.FilterRating, msg: wc.log.debug(wc.LOG_PROXY, "%s FilterRating from content %s", self, msg) self._show_rating_deny(str(msg)) return except wc.filter.FilterProxyError, e: self.client.error(e.status, e.msg, txt=e.text) self.handle_error("filter proxy error") return underflow = self.bytes_remaining is not None and \ self.bytes_remaining < 0 if underflow: wc.log.warn(wc.LOG_PROXY, _("server received %d bytes more than content-length"), (-self.bytes_remaining)) if self.statuscode != 407: if self.defer_data and data: # defer until data is non-empty, which ensures that # every filter above has seen at least some data self.defer_data = False self.client.server_response(self, self.response, self.statuscode, self.headers) if not self.client: return self.client.server_content(data) if is_closed or self.bytes_remaining == 0: # either we ran out of bytes, or the decoder says we're done self.state = 'recycle'
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self['filterlist'] = [[], [], [], [], [], [], [], [], [], []]
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self['filterlist'] = {}
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def reset (self): """Reset to default values""" # The bind address specifies on which address the socket should # listen. # The default empty string represents INADDR_ANY which means to # accept incoming connections from all hosts. self['bindaddress'] = '' self['port'] = 8080 self['sslport'] = 8443 self['sslgateway'] = 0 self['adminuser'] = "" self['adminpass'] = "" self['proxyuser'] = "" self['proxypass'] = "" self['parentproxy'] = "" self['parentproxyport'] = 3128 self['parentproxyuser'] = "" self['parentproxypass'] = "" # dynamically stored parent proxy authorization credentials self['parentproxycreds'] = None self['folderrules'] = [] self['filters'] = [] self['filterlist'] = [[], [], [], [], [], [], [], [], [], []] self['colorize'] = 0 # DNS resolved nofilterhosts self['nofilterhosts'] = None self['allowedhosts'] = None self['starttime'] = time.time() self['mime_content_rewriting'] = sets.Set() self['gui_theme'] = "classic" self['timeout'] = 10 self['auth_ntlm'] = 0 if os.name == 'posix': self['clamavconf'] = "/etc/clamav/clamav.conf" elif os.name == 'nt': self['clamavconf'] = r"c:\clamav-devel\etc\clamav.conf" else: self['clamavconf'] = os.path.join(os.getcwd(), "clamav.conf") # in development mode some values have different defaults self['development'] = os.environ.get("WC_DEVELOPMENT", 0) self['baseurl'] = wc.Url self['try_google'] = 0 # delete all registered sids from wc.filter.rules import delete_registered_sids delete_registered_sids()
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FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DEBUGLEVEL,ConfWindow.onCmdDebuglevel)
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def eventMap (self): """attach all events to (member) functions""" FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ACCEPT,ConfWindow.onCmdAccept) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_CANCEL,ConfWindow.onCmdCancel) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_APPLY,ConfWindow.onCmdApply) FXMAPFUNC(self,SEL_UPDATE,ConfWindow.ID_APPLY,ConfWindow.onUpdApply) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ABOUT,ConfWindow.onCmdAbout) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PORT,ConfWindow.onCmdPort) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DEBUGLEVEL,ConfWindow.onCmdDebuglevel) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXY,ConfWindow.onCmdParentProxy) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXYPORT,ConfWindow.onCmdParentProxyPort) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_LOGFILE,ConfWindow.onCmdLogfile) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_FILTERMODULE,ConfWindow.onCmdFilterModule) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_FILTER,ConfWindow.onCmdFilter) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NEWFOLDER,ConfWindow.onCmdNewFolder) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NEWRULE,ConfWindow.onCmdNewRule) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_REMOVE,ConfWindow.onCmdRemove) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_TITLE,ConfWindow.onCmdTitle) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYSTART,ConfWindow.onCmdProxyStart) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYSTOP,ConfWindow.onCmdProxyStop) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYRESTART,ConfWindow.onCmdProxyRestart) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYRELOAD,ConfWindow.onCmdProxyReload) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYSTATUS,ConfWindow.onCmdProxyStatus) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_CONFUPDATE,ConfWindow.onCmdConfUpdate) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DISABLERULE,ConfWindow.onCmdDisableRule) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NOPROXYFOR_ADD,ConfWindow.onCmdNoProxyForAdd) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NOPROXYFOR_EDIT,ConfWindow.onCmdNoProxyForEdit) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_NOPROXYFOR_EDIT,ConfWindow.onUpdNoProxy) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NOPROXYFOR_REMOVE,ConfWindow.onCmdNoProxyForRemove) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_NOPROXYFOR_REMOVE,ConfWindow.onUpdNoProxy) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ALLOWEDHOSTS_ADD,ConfWindow.onCmdAllowedHostsAdd) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ALLOWEDHOSTS_EDIT,ConfWindow.onCmdAllowedHostsEdit) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_ALLOWEDHOSTS_EDIT,ConfWindow.onUpdAllowedHosts) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ALLOWEDHOSTS_REMOVE,ConfWindow.onCmdAllowedHostsRemove) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_ALLOWEDHOSTS_REMOVE,ConfWindow.onUpdAllowedHosts) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_UP,ConfWindow.onCmdUp) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_UP,ConfWindow.onCmdUpUpdate) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DOWN,ConfWindow.onCmdDown) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_DOWN,ConfWindow.onCmdDownUpdate) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYUSER,ConfWindow.onCmdProxyUser) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYPASS,ConfWindow.onCmdProxyPass) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXYUSER,ConfWindow.onCmdParentProxyUser) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXYPASS,ConfWindow.onCmdParentProxyPass)
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FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_LOGFILE,ConfWindow.onCmdLogfile)
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def eventMap (self): """attach all events to (member) functions""" FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ACCEPT,ConfWindow.onCmdAccept) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_CANCEL,ConfWindow.onCmdCancel) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_APPLY,ConfWindow.onCmdApply) FXMAPFUNC(self,SEL_UPDATE,ConfWindow.ID_APPLY,ConfWindow.onUpdApply) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ABOUT,ConfWindow.onCmdAbout) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PORT,ConfWindow.onCmdPort) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DEBUGLEVEL,ConfWindow.onCmdDebuglevel) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXY,ConfWindow.onCmdParentProxy) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXYPORT,ConfWindow.onCmdParentProxyPort) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_LOGFILE,ConfWindow.onCmdLogfile) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_FILTERMODULE,ConfWindow.onCmdFilterModule) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_FILTER,ConfWindow.onCmdFilter) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NEWFOLDER,ConfWindow.onCmdNewFolder) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NEWRULE,ConfWindow.onCmdNewRule) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_REMOVE,ConfWindow.onCmdRemove) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_TITLE,ConfWindow.onCmdTitle) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYSTART,ConfWindow.onCmdProxyStart) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYSTOP,ConfWindow.onCmdProxyStop) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYRESTART,ConfWindow.onCmdProxyRestart) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYRELOAD,ConfWindow.onCmdProxyReload) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYSTATUS,ConfWindow.onCmdProxyStatus) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_CONFUPDATE,ConfWindow.onCmdConfUpdate) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DISABLERULE,ConfWindow.onCmdDisableRule) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NOPROXYFOR_ADD,ConfWindow.onCmdNoProxyForAdd) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NOPROXYFOR_EDIT,ConfWindow.onCmdNoProxyForEdit) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_NOPROXYFOR_EDIT,ConfWindow.onUpdNoProxy) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_NOPROXYFOR_REMOVE,ConfWindow.onCmdNoProxyForRemove) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_NOPROXYFOR_REMOVE,ConfWindow.onUpdNoProxy) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ALLOWEDHOSTS_ADD,ConfWindow.onCmdAllowedHostsAdd) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ALLOWEDHOSTS_EDIT,ConfWindow.onCmdAllowedHostsEdit) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_ALLOWEDHOSTS_EDIT,ConfWindow.onUpdAllowedHosts) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_ALLOWEDHOSTS_REMOVE,ConfWindow.onCmdAllowedHostsRemove) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_ALLOWEDHOSTS_REMOVE,ConfWindow.onUpdAllowedHosts) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_UP,ConfWindow.onCmdUp) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_UP,ConfWindow.onCmdUpUpdate) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_DOWN,ConfWindow.onCmdDown) FXMAPFUNC(self,SEL_UPDATE, ConfWindow.ID_DOWN,ConfWindow.onCmdDownUpdate) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYUSER,ConfWindow.onCmdProxyUser) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PROXYPASS,ConfWindow.onCmdProxyPass) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXYUSER,ConfWindow.onCmdParentProxyUser) FXMAPFUNC(self,SEL_COMMAND,ConfWindow.ID_PARENTPROXYPASS,ConfWindow.onCmdParentProxyPass)
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FXLabel(matrix, i18n._("Logfile\tThe name for the logfile can be empty (no logging), '<stdout>'\n(standard out) or a filename (relative or absolute)."), opts=LAYOUT_CENTER_Y|LAYOUT_RIGHT) FXTextField(matrix, 10, self, self.ID_LOGFILE).setText(self.logfile) FXLabel(matrix, i18n._("Debug level"), opts=LAYOUT_CENTER_Y|LAYOUT_RIGHT) cols=0 d = FXComboBox(matrix,0,4,self, self.ID_DEBUGLEVEL,opts=COMBOBOX_INSERT_LAST|FRAME_SUNKEN|FRAME_THICK|LAYOUT_SIDE_TOP) levels = [ i18n._("No debugging"), i18n._("Bring it on"), i18n._("Hurt me plenty"), i18n._("Nightmare"), ] for text in levels: cols = max(len(text), cols) d.appendItem(text) d.setEditable(0) d.setNumColumns(cols) d.setCurrentItem(self.debuglevel)
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def proxySettings (self, tabbook): """generate the proxy setting tab""" FXTabItem(tabbook, i18n._("P&roxy Settings"), None) proxy = FXVerticalFrame(tabbook, FRAME_THICK|FRAME_RAISED) proxy_top = FXHorizontalFrame(proxy, LAYOUT_FILL_X|LAYOUT_FILL_Y|LAYOUT_SIDE_TOP)
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return 1 def onCmdLogfile (self, sender, sel, ptr): self.logfile = sender.getText() self.getApp().dirty = 1 debug(GUI, "Logfile=%s", self.logfile)
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def onCmdParentProxyPass (self, sender, sel, ptr): self.parentproxypass = base64.encodestring(sender.getText()).strip() self.getApp().dirty = 1 debug(GUI, "Parentproxypass was changed") return 1
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'debuglevel','logfile',
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def readconfig (self): """read the configuration from disc""" debug(GUI, "reading config") self.config = Configuration() for key in ('version','port','parentproxy','parentproxyport', 'debuglevel','logfile',
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if self.logfile: self.logfile = self.logfile.name
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def readconfig (self): """read the configuration from disc""" debug(GUI, "reading config") self.config = Configuration() for key in ('version','port','parentproxy','parentproxyport', 'debuglevel','logfile',
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' debuglevel="%d"\n' % self.debuglevel +\
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def toxml (self): s = """<?xml version="1.0"?>
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if self.logfile: s += ' logfile="%s"\n' % xmlify(self.logfile)
|
def toxml (self): s = """<?xml version="1.0"?>
|
|
error(GUI, "Authentication with wrong status %d", status)
|
wc.log.error(wc.LOG_GUI, "Authentication with wrong status %d", status)
|
def __init__ (self, client, url, form, protocol, clientheaders, status=200, msg=wc.i18n._('Ok'), localcontext=None, auth=''): """load a web configuration template and return response""" wc.log.debug(wc.LOG_GUI, "WebConfig %s %s", url, form) self.client = client # we pretend to be the server self.connected = True headers = wc.proxy.Headers.WcMessage() headers['Server'] = 'Proxy\r' if auth: if status==407: headers['Proxy-Authenticate'] = "%s\r"%auth elif status==401: headers['WWW-Authenticate'] = "%s\r"%auth else: error(GUI, "Authentication with wrong status %d", status) if status in [301,302]: headers['Location'] = clientheaders['Location'] gm = mimetypes.guess_type(url, None) if gm[0] is not None: ctype = gm[0] else: # note: index.html is appended to directories ctype = 'text/html' if ctype=='text/html': ctype += "; charset=iso-8859-1" headers['Content-Type'] = "%s\r"%ctype try: lang = wc.i18n.get_headers_lang(clientheaders) # get the template filename path, dirs, lang = get_template_url(url, lang) if path.endswith('.html'): fp = file(path) # get TAL context context, newstatus = \ get_context(dirs, form, localcontext, lang) if newstatus==401 and status!=newstatus: client.error(401, wc.i18n._("Authentication Required"), auth=wc.proxy.auth.get_challenges()) return # get translator translator = gettext.translation(wc.Name, wc.LocaleDir, [lang], fallback=True) #wc.log.debug(wc.LOG_GUI, "Using translator %s", translator.info()) # expand template data = expand_template(fp, context, translator=translator) else: fp = file(path, 'rb') data = fp.read() fp.close() except IOError: wc.log.exception(GUI, "Wrong path %r", url) # XXX this can actually lead to a maximum recursion # error when client.error caused the exception client.error(404, wc.i18n._("Not Found")) return except StandardError: # catch standard exceptions and report internal error wc.log.exception(GUI, "Template error") client.error(500, wc.i18n._("Internal Error")) return # not catched builtin exceptions are: # SystemExit, StopIteration and all warnings
|
wc.log.exception(GUI, "Wrong path %r", url)
|
wc.log.exception(wc.LOG_GUI, "Wrong path %r", url)
|
def __init__ (self, client, url, form, protocol, clientheaders, status=200, msg=wc.i18n._('Ok'), localcontext=None, auth=''): """load a web configuration template and return response""" wc.log.debug(wc.LOG_GUI, "WebConfig %s %s", url, form) self.client = client # we pretend to be the server self.connected = True headers = wc.proxy.Headers.WcMessage() headers['Server'] = 'Proxy\r' if auth: if status==407: headers['Proxy-Authenticate'] = "%s\r"%auth elif status==401: headers['WWW-Authenticate'] = "%s\r"%auth else: error(GUI, "Authentication with wrong status %d", status) if status in [301,302]: headers['Location'] = clientheaders['Location'] gm = mimetypes.guess_type(url, None) if gm[0] is not None: ctype = gm[0] else: # note: index.html is appended to directories ctype = 'text/html' if ctype=='text/html': ctype += "; charset=iso-8859-1" headers['Content-Type'] = "%s\r"%ctype try: lang = wc.i18n.get_headers_lang(clientheaders) # get the template filename path, dirs, lang = get_template_url(url, lang) if path.endswith('.html'): fp = file(path) # get TAL context context, newstatus = \ get_context(dirs, form, localcontext, lang) if newstatus==401 and status!=newstatus: client.error(401, wc.i18n._("Authentication Required"), auth=wc.proxy.auth.get_challenges()) return # get translator translator = gettext.translation(wc.Name, wc.LocaleDir, [lang], fallback=True) #wc.log.debug(wc.LOG_GUI, "Using translator %s", translator.info()) # expand template data = expand_template(fp, context, translator=translator) else: fp = file(path, 'rb') data = fp.read() fp.close() except IOError: wc.log.exception(GUI, "Wrong path %r", url) # XXX this can actually lead to a maximum recursion # error when client.error caused the exception client.error(404, wc.i18n._("Not Found")) return except StandardError: # catch standard exceptions and report internal error wc.log.exception(GUI, "Template error") client.error(500, wc.i18n._("Internal Error")) return # not catched builtin exceptions are: # SystemExit, StopIteration and all warnings
|
wc.log.exception(GUI, "Template error")
|
wc.log.exception(wc.LOG_GUI, "Template error")
|
def __init__ (self, client, url, form, protocol, clientheaders, status=200, msg=wc.i18n._('Ok'), localcontext=None, auth=''): """load a web configuration template and return response""" wc.log.debug(wc.LOG_GUI, "WebConfig %s %s", url, form) self.client = client # we pretend to be the server self.connected = True headers = wc.proxy.Headers.WcMessage() headers['Server'] = 'Proxy\r' if auth: if status==407: headers['Proxy-Authenticate'] = "%s\r"%auth elif status==401: headers['WWW-Authenticate'] = "%s\r"%auth else: error(GUI, "Authentication with wrong status %d", status) if status in [301,302]: headers['Location'] = clientheaders['Location'] gm = mimetypes.guess_type(url, None) if gm[0] is not None: ctype = gm[0] else: # note: index.html is appended to directories ctype = 'text/html' if ctype=='text/html': ctype += "; charset=iso-8859-1" headers['Content-Type'] = "%s\r"%ctype try: lang = wc.i18n.get_headers_lang(clientheaders) # get the template filename path, dirs, lang = get_template_url(url, lang) if path.endswith('.html'): fp = file(path) # get TAL context context, newstatus = \ get_context(dirs, form, localcontext, lang) if newstatus==401 and status!=newstatus: client.error(401, wc.i18n._("Authentication Required"), auth=wc.proxy.auth.get_challenges()) return # get translator translator = gettext.translation(wc.Name, wc.LocaleDir, [lang], fallback=True) #wc.log.debug(wc.LOG_GUI, "Using translator %s", translator.info()) # expand template data = expand_template(fp, context, translator=translator) else: fp = file(path, 'rb') data = fp.read() fp.close() except IOError: wc.log.exception(GUI, "Wrong path %r", url) # XXX this can actually lead to a maximum recursion # error when client.error caused the exception client.error(404, wc.i18n._("Not Found")) return except StandardError: # catch standard exceptions and report internal error wc.log.exception(GUI, "Template error") client.error(500, wc.i18n._("Internal Error")) return # not catched builtin exceptions are: # SystemExit, StopIteration and all warnings
|
if data: p.feed(data)
|
p.feed(data)
|
def finish (self, data, **attrs): if not attrs.has_key('filter'): return data p = attrs['filter'] if data: p.feed(data) p.flush() p.buf2data() return p.flushbuf()
|
def _buf2data (buf, outbuf): """Append all tags of the buffer to the data""" for item in buf: if item[0]==DATA: outbuf.write(item[1]) elif item[0]==STARTTAG: s = "<"+item[1] for name,val in item[2].items(): s += ' %s'%name if val: s += "=%s"%val outbuf.write(s+">") elif item[0]==ENDTAG: outbuf.write("</%s>"%item[1]) elif item[0]==COMMENT: outbuf.write("<!--%s-->"%item[1]) else: error("unknown buffer element %s" % item[0])
|
def _buf2data (buf, outbuf): """Append all tags of the buffer to the data""" for item in buf: if item[0]==DATA: outbuf.write(item[1]) elif item[0]==STARTTAG: s = "<"+item[1] for name,val in item[2].items(): s += ' %s'%name if val: s += "=%s"%val outbuf.write(s+">") elif item[0]==ENDTAG: outbuf.write("</%s>"%item[1]) elif item[0]==COMMENT: outbuf.write("<!--%s-->"%item[1]) else: error("unknown buffer element %s" % item[0])
|
|
self.waitbuf = StringIO()
|
self.waitbuf = []
|
def __init__ (self, rules, url, **opts): if wc.config['showerrors']: self.error = self._error self.warning = self._warning self.fatalError = self._fatalError HtmlParser.__init__(self) self.rules = rules self.comments = opts['comments'] self.javascript = opts['javascript'] self.outbuf = StringIO() self.inbuf = StringIO() self.waitbuf = StringIO() self.state = 'parse' self.script = '' self.waited = 0 self.rulestack = [] self.buf = [] self.url = url or "unknown" if self.javascript: self.jsEnv = jslib.new_jsenv() self.output_counter = 0 self.popup_counter = 0
|
data = "%s%s" % (self.waitbuf.getvalue(), self.inbuf.getvalue(), )
|
self.waited = 0 waitbuf, self.waitbuf = self.waitbuf, [] self.replay(waitbuf) if self.state!='parse': return data = self.inbuf.getvalue()
|
def feed (self, data): if self.state=='parse': if self.waited: data = "%s%s" % (self.waitbuf.getvalue(), self.inbuf.getvalue(), ) self.inbuf.close() self.waitbuf.close() self.inbuf = StringIO() self.waitbuf = StringIO() self.waited = 0 #debug(NIGHTMARE, "HtmlFilter: feed", `data`) HtmlParser.feed(self, data) #debug(NIGHTMARE, "HtmlFilter: feed finished") else: self.inbuf.write(data)
|
self.waitbuf.close()
|
def feed (self, data): if self.state=='parse': if self.waited: data = "%s%s" % (self.waitbuf.getvalue(), self.inbuf.getvalue(), ) self.inbuf.close() self.waitbuf.close() self.inbuf = StringIO() self.waitbuf = StringIO() self.waited = 0 #debug(NIGHTMARE, "HtmlFilter: feed", `data`) HtmlParser.feed(self, data) #debug(NIGHTMARE, "HtmlFilter: feed finished") else: self.inbuf.write(data)
|
|
self.waitbuf = StringIO() self.waited = 0 HtmlParser.feed(self, data)
|
if data: debug(NIGHTMARE, "HtmlFilter: feed", `data`) HtmlParser.feed(self, data) debug(NIGHTMARE, "HtmlFilter: feed finished")
|
def feed (self, data): if self.state=='parse': if self.waited: data = "%s%s" % (self.waitbuf.getvalue(), self.inbuf.getvalue(), ) self.inbuf.close() self.waitbuf.close() self.inbuf = StringIO() self.waitbuf = StringIO() self.waited = 0 #debug(NIGHTMARE, "HtmlFilter: feed", `data`) HtmlParser.feed(self, data) #debug(NIGHTMARE, "HtmlFilter: feed finished") else: self.inbuf.write(data)
|
_buf2data(self.buf, self.outbuf)
|
for item in self.buf: if item[0]==DATA: self.outbuf.write(item[1]) elif item[0]==STARTTAG: s = "<"+item[1] for name,val in item[2].items(): s += ' %s'%name if val: s += "=%s"%val self.outbuf.write(s+">") elif item[0]==ENDTAG: self.outbuf.write("</%s>"%item[1]) elif item[0]==COMMENT: self.outbuf.write("<!--%s-->"%item[1]) else: error("unknown buffer element %s" % item[0])
|
def buf2data (self): _buf2data(self.buf, self.outbuf) self.buf = []
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def cdata (self, d): """handler for data""" item = [DATA, d] if self.state=='wait': return _buf2data([item], self.waitbuf) self.buf_append_data(item)
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def comment (self, data): """a comment; accept only non-empty comments""" item = [COMMENT, data] if self.state=='wait': return _buf2data([item], self.waitbuf) if self.comments and data: self.buf.append(item)
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def characters (self, s): """handler for characters""" item = [DATA, s] if self.state=='wait': return _buf2data([item], self.waitbuf) self.buf_append_data(item)
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def doctype (self, data): item = [DATA, "<!DOCTYPE%s>"%data] if self.state=='wait': return _buf2data([item], self.waitbuf) self.buf_append_data(item)
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def pi (self, data): item = [DATA, "<?%s?>"%data] if self.state=='wait': return _buf2data([item], self.waitbuf) self.buf_append_data(item)
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def startElement (self, tag, attrs): """We get a new start tag. New rules could be appended to the pending rules. No rules can be removed from the list.""" # default data item = [STARTTAG, tag, attrs] if self.state=='wait': return _buf2data([item], self.waitbuf) rulelist = [] filtered = 0 # look for filter rules which apply for rule in self.rules: if rule.match_tag(tag) and rule.match_attrs(attrs): debug(NIGHTMARE, "HtmlFilter: matched rule %s on tag %s" % (`rule.title`, `tag`)) if rule.start_sufficient: item = rule.filter_tag(tag, attrs) filtered = "True" # give'em a chance to replace more than one attribute if item[0]==STARTTAG and item[1]==tag: foo,tag,attrs = item continue else: break else: debug(NIGHTMARE, "HtmlFilter: put on buffer") rulelist.append(rule) if rulelist: # remember buffer position for end tag matching pos = len(self.buf) self.rulestack.append((pos, rulelist)) if filtered: self.buf_append_data(item) elif self.javascript: # if its not yet filtered, try filter javascript self.jsStartElement(tag, attrs) else: self.buf.append(item) # if rule stack is empty, write out the buffered data if not self.rulestack and not self.javascript: self.buf2data()
|
return _buf2data([item], self.waitbuf)
|
return self.waitbuf.append(item)
|
def endElement (self, tag): """We know the following: if a rule matches, it must be the one on the top of the stack. So we look only at the top rule.
|
if not filtered and self.javascript and tag=='script' and \ self.jsEndElement(tag): del self.buf[-1] del self.buf[-1] else: self.buf.append(item)
|
if not filtered: if self.javascript and tag=='script' and \ self.jsEndElement(tag): del self.buf[-1] del self.buf[-1] else: self.buf.append(item)
|
def endElement (self, tag): """We know the following: if a rule matches, it must be the one on the top of the stack. So we look only at the top rule.
|
elif self.jsScript(self.script, ver): print >> sys.stderr, "JS popup src", url
|
def jsScriptData (self, data, url, ver): assert self.state=='wait' if data is None: if not self.script: print >> sys.stderr, "empty JS src", url elif self.jsScript(self.script, ver): print >> sys.stderr, "JS popup src", url else: self.buf.append([STARTTAG, "script", {'type': 'text/javascript'}]) self.buf.append([DATA, "<!--\n%s\n//-->"%self.script]) self.state = 'parse' self.script = '' debug(NIGHTMARE, "XXX switching back to parse with") debug(NIGHTMARE, "self.buf", `self.buf`) #debug(NIGHTMARE, "self.outbuf", `self.outbuf.getvalue()`) debug(NIGHTMARE, "self.inbuf", `self.inbuf.getvalue()`) debug(NIGHTMARE, "self.waitbuf", `self.waitbuf.getvalue()`) else: debug(HURT_ME_PLENTY, "JS: read", len(data)) self.script += data
|
|
debug(NIGHTMARE, "XXX switching back to parse with") debug(NIGHTMARE, "self.buf", `self.buf`) debug(NIGHTMARE, "self.inbuf", `self.inbuf.getvalue()`) debug(NIGHTMARE, "self.waitbuf", `self.waitbuf.getvalue()`)
|
debug(NIGHTMARE, "Filter: switching back to parse with") debug(NIGHTMARE, "Filter: self.buf", `self.buf`) debug(NIGHTMARE, "Filter: self.waitbuf", `self.waitbuf`) debug(NIGHTMARE, "Filter: self.inbuf", `self.inbuf.getvalue()`)
|
def jsScriptData (self, data, url, ver): assert self.state=='wait' if data is None: if not self.script: print >> sys.stderr, "empty JS src", url elif self.jsScript(self.script, ver): print >> sys.stderr, "JS popup src", url else: self.buf.append([STARTTAG, "script", {'type': 'text/javascript'}]) self.buf.append([DATA, "<!--\n%s\n//-->"%self.script]) self.state = 'parse' self.script = '' debug(NIGHTMARE, "XXX switching back to parse with") debug(NIGHTMARE, "self.buf", `self.buf`) #debug(NIGHTMARE, "self.outbuf", `self.outbuf.getvalue()`) debug(NIGHTMARE, "self.inbuf", `self.inbuf.getvalue()`) debug(NIGHTMARE, "self.waitbuf", `self.waitbuf.getvalue()`) else: debug(HURT_ME_PLENTY, "JS: read", len(data)) self.script += data
|
debug(HURT_ME_PLENTY, "JS: read", len(data))
|
debug(HURT_ME_PLENTY, "JS: read", len(data), "<=", url)
|
def jsScriptData (self, data, url, ver): assert self.state=='wait' if data is None: if not self.script: print >> sys.stderr, "empty JS src", url elif self.jsScript(self.script, ver): print >> sys.stderr, "JS popup src", url else: self.buf.append([STARTTAG, "script", {'type': 'text/javascript'}]) self.buf.append([DATA, "<!--\n%s\n//-->"%self.script]) self.state = 'parse' self.script = '' debug(NIGHTMARE, "XXX switching back to parse with") debug(NIGHTMARE, "self.buf", `self.buf`) #debug(NIGHTMARE, "self.outbuf", `self.outbuf.getvalue()`) debug(NIGHTMARE, "self.inbuf", `self.inbuf.getvalue()`) debug(NIGHTMARE, "self.waitbuf", `self.waitbuf.getvalue()`) else: debug(HURT_ME_PLENTY, "JS: read", len(data)) self.script += data
|
debug(HURT_ME_PLENTY, "JS: self.url", self.url) debug(HURT_ME_PLENTY, "JS: url", url)
|
def jsScriptSrc (self, url, language): assert self.state=='parse' ver = 0.0 if language: mo = re.search(r'(?i)javascript(?P<num>\d\.\d)', language) if mo: ver = float(mo.group('num')) debug(HURT_ME_PLENTY, "JS: self.url", self.url) debug(HURT_ME_PLENTY, "JS: url", url) url = urlparse.urljoin(self.url, url) debug(HURT_ME_PLENTY, "JS: jsScriptSrc", url, ver) self.state = 'wait' client = HttpProxyClient(self.jsScriptData, (url, ver)) ClientServerMatchmaker(client, "GET %s HTTP/1.1" % url, #request {}, #headers '', #content {'nofilter': None}, 'identity', # compress ) self.waited = 1
|
|
self.waited = 1
|
self.waited = "True"
|
def jsScriptSrc (self, url, language): assert self.state=='parse' ver = 0.0 if language: mo = re.search(r'(?i)javascript(?P<num>\d\.\d)', language) if mo: ver = float(mo.group('num')) debug(HURT_ME_PLENTY, "JS: self.url", self.url) debug(HURT_ME_PLENTY, "JS: url", url) url = urlparse.urljoin(self.url, url) debug(HURT_ME_PLENTY, "JS: jsScriptSrc", url, ver) self.state = 'wait' client = HttpProxyClient(self.jsScriptData, (url, ver)) ClientServerMatchmaker(client, "GET %s HTTP/1.1" % url, #request {}, #headers '', #content {'nofilter': None}, 'identity', # compress ) self.waited = 1
|
self.buf += self.jsfilter.buf
|
self.buf[-2:-2] = self.jsfilter.buf
|
def jsScript (self, script, ver): """execute given script with javascript version ver return True if the script generates any output, else False""" #debug(HURT_ME_PLENTY, "JS: jsScript", ver, `script`) self.output_counter = 0 self.jsEnv.attachListener(self) self.jsfilter = HtmlFilter(self.rules, self.url, comments=self.comments, javascript=self.javascript) self.jsEnv.executeScript(script, ver) self.jsEnv.detachListener(self) if self.output_counter: self.jsfilter.flush() self.outbuf.write(self.jsfilter.flushbuf()) self.buf += self.jsfilter.buf self.rulestack += self.jsfilter.rulestack self.jsfilter = None return self.output_counter
|
return self.output_counter
|
return self.popup_counter + self.output_counter
|
def jsScript (self, script, ver): """execute given script with javascript version ver return True if the script generates any output, else False""" #debug(HURT_ME_PLENTY, "JS: jsScript", ver, `script`) self.output_counter = 0 self.jsEnv.attachListener(self) self.jsfilter = HtmlFilter(self.rules, self.url, comments=self.comments, javascript=self.javascript) self.jsEnv.executeScript(script, ver) self.jsEnv.detachListener(self) if self.output_counter: self.jsfilter.flush() self.outbuf.write(self.jsfilter.flushbuf()) self.buf += self.jsfilter.buf self.rulestack += self.jsfilter.rulestack self.jsfilter = None return self.output_counter
|
self.fd.write(" %s=\"%s\"" % (key, quote_attrval(val)))
|
if val is None: self.fd.write(" %s"%key) else: self.fd.write(" %s=\"%s\"" % (key, quote_attrval(val)))
|
def startElement (self, tag, attrs): self.fd.write("<%s"%tag) for key, val in attrs.iteritems(): self.fd.write(" %s=\"%s\"" % (key, quote_attrval(val))) self.fd.write(">")
|
self.min_bufsize = 256
|
self.min_bufsize = 6000
|
def __init__ (self, mimelist): super(ImageSize, self).__init__(mimelist) # minimal amount of image data for PIL to read header info self.min_bufsize = 256
|
if attrs['buffer'].closed:
|
if not attrs.has_key('buffer') or attrs['buffer'].closed:
|
def filter (self, data, **attrs): if attrs['buffer'].closed: # we do not block this image # or we do not have enough buffer data return data buf = attrs['buffer'] buf.write(data) if buf.tell() > self.min_bufsize: if self.check_sizes(buf): # size is ok data = buf.getvalue() buf.close() return data return ''
|
if self.check_sizes(buf):
|
if self.check_sizes(buf, attrs['sizes']):
|
def filter (self, data, **attrs): if attrs['buffer'].closed: # we do not block this image # or we do not have enough buffer data return data buf = attrs['buffer'] buf.write(data) if buf.tell() > self.min_bufsize: if self.check_sizes(buf): # size is ok data = buf.getvalue() buf.close() return data return ''
|
pass
|
if not attrs.has_key('buffer') or attrs['buffer'].closed: return data buf = attrs['buffer'] buf.write(data) if self.check_sizes(buf, attrs['sizes']): data = buf.getvalue() buf.close() return data return ''
|
def finish (self, data, **attrs): # XXX pass
|
def check_sizes (self, buf):
|
def check_sizes (self, buf, sizes):
|
def check_sizes (self, buf): try: img = Image.open(buf, 'r') for size, formats in sizes: if size==img.size: # size matches, look for format restriction if not formats: return False elif img.format.lower() in formats: return False except IOError: # XXX print error pass return True
|
pass
|
exception(FILTER, "Could not get image size")
|
def check_sizes (self, buf): try: img = Image.open(buf, 'r') for size, formats in sizes: if size==img.size: # size matches, look for format restriction if not formats: return False elif img.format.lower() in formats: return False except IOError: # XXX print error pass return True
|
try: self.addr = sock.getpeername() except socket.error: pass
|
self.addr = sock.getpeername()
|
def __init__ (self, sock=None, socktype=None): """ Initialize connection.
|
def _debug (self, msg, *args): """debug with recursion level and state""" debug(FILTER, "%s[%d]: %s"%(self.__class__.__name__, self.level, msg), *args)
|
def _str__ (self): return "%s[%d]" % (self.__class__.__name__, self.level)
|
def _debug (self, msg, *args): """debug with recursion level and state""" debug(FILTER, "%s[%d]: %s"%(self.__class__.__name__, self.level, msg), *args)
|
self._debug("JS document.write %r", data)
|
debug(FILTER, "%s jsProcessData %r", self, data)
|
def jsProcessData (self, data): """process data produced by document.write() JavaScript""" self._debug("JS document.write %r", data) self.js_output += 1 # parse recursively self.js_htmlparser.feed(data)
|
self._debug("JS: popup")
|
debug(FILTER, "%s jsProcessPopup", self)
|
def jsProcessPopup (self): """process javascript popup""" self._debug("JS: popup") self.js_popup += 1
|
def jsForm (self, name, action, target): """when hitting a named form, add it to the JS environment""" if not name: return self._debug("jsForm %r action %r %r", name, action, target) self.js_env.addForm(name, action, target)
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def jsForm (self, name, action, target): """when hitting a named form, add it to the JS environment""" if not name: return self._debug("jsForm %r action %r %r", name, action, target) self.js_env.addForm(name, action, target)
|
|
self._debug("JS: jsPopup")
|
debug(FILTER, "%s jsPopup", self)
|
def jsPopup (self, attrs, name): """check if attrs[name] javascript opens a popup window""" self._debug("JS: jsPopup") val = resolve_html_entities(attrs[name]) if not val: return self.js_env.listeners.append(self) try: self.js_env.executeScriptAsFunction(val, 0.0) except jslib.error: pass self.js_env.listeners.remove(self) res, self.js_popup = self.js_popup, 0 return res
|
def new_instance (self, opts):
|
def new_instance (self, **opts):
|
def new_instance (self, opts): JSFilter(self.url, **opts)
|
self._debug("JS: jsScript %s %r", ver, script) assert self.htmlparser.state[0]=='parse', "non-parse state" assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf
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debug(FILTER, "%s jsScript %s %r", self, ver, script) assert self.htmlparser.state[0]=='parse', "parser %s not in parse state" % self.htmlparser assert len(self.htmlparser.tagbuf) >= 2, "parser %s must have script start and content tags in tag buffer" % self.htmlparser
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def jsScript (self, script, ver, item): """execute given script with javascript version ver""" self._debug("JS: jsScript %s %r", ver, script) assert self.htmlparser.state[0]=='parse', "non-parse state" assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf self.js_output = 0 self.js_env.listeners.append(self) # start recursive html filter (used by jsProcessData) opts = dict(comments=self.comments, javascript=self.javascript, level=self.level+1) handler = self.new_instance(opts) self.js_htmlparser = HtmlParser(handler) handler.htmlparser = self.js_htmlparser # execute self.js_env.executeScript(unescape_js(script), ver) self.js_env.listeners.remove(self) # wait for recursive filter to finish self.jsEndScript(item)
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opts = dict(comments=self.comments, javascript=self.javascript, level=self.level+1) handler = self.new_instance(opts)
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handler = self.new_instance(comments=self.comments, javascript=self.javascript, level=self.level+1)
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def jsScript (self, script, ver, item): """execute given script with javascript version ver""" self._debug("JS: jsScript %s %r", ver, script) assert self.htmlparser.state[0]=='parse', "non-parse state" assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf self.js_output = 0 self.js_env.listeners.append(self) # start recursive html filter (used by jsProcessData) opts = dict(comments=self.comments, javascript=self.javascript, level=self.level+1) handler = self.new_instance(opts) self.js_htmlparser = HtmlParser(handler) handler.htmlparser = self.js_htmlparser # execute self.js_env.executeScript(unescape_js(script), ver) self.js_env.listeners.remove(self) # wait for recursive filter to finish self.jsEndScript(item)
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debug(FILTER, "%s jsScriptSrc %r", self, url)
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def jsScriptSrc (self, url, language): """Start a background download for <script src=""> tags""" assert self.htmlparser.state[0]=='parse', "non-parse state %s" % self.htmlparser.state ver = get_js_ver(language) if self.base_url: url = urlparse.urljoin(self.base_url, url) else: url = urlparse.urljoin(self.url, url) # unquote and norm url = url_norm(url) host = stripsite(url)[0] if not host: error(FILTER, "invalid script src url %r at %s (base %r)", url, self.url, self.base_url) return self.htmlparser.state = ('wait', url) self.htmlparser.waited = 1 self.js_src = True self.js_client = HttpProxyClient(self.jsScriptData, (url, ver)) headers = get_wc_client_headers(host) # note: some javascript servers do not specify content encoding # so only accept non-encoded content here headers['Accept-Encoding'] = 'identity\r' ClientServerMatchmaker(self.js_client, "GET %s HTTP/1.0" % url_quote(url), # request headers, '', # content mime="application/x-javascript", )
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warn(FILTER, "HtmlParser[%d]: empty JS src %s", self.level, url)
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warn(FILTER, "empty JavaScript src %s", url)
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def jsScriptData (self, data, url, ver): """Callback for loading <script src=""> data in the background If downloading is finished, data is None""" assert self.htmlparser.state[0]=='wait', "non-wait state" if data is None: if not self.js_script: warn(FILTER, "HtmlParser[%d]: empty JS src %s", self.level, url) self.js_script = "// error fetching script from %r"%url self.htmlparser.tagbuf.append([STARTTAG, "script", {'type': 'text/javascript'}]) script = "\n<!--\n%s\n//-->\n"%escape_js(self.js_script) self.htmlparser.tagbuf.append([DATA, script]) # Note: <script src=""> could be missing an end tag, # but now we need one. Look later for a duplicate </script>. self.htmlparser.tagbuf.append([ENDTAG, "script"]) self.js_script = '' self.htmlparser.state = ('parse',) self._debug("switching back to parse") else: self._debug("JS read %d <= %s", len(data), url) self.js_script += data
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self._debug("switching back to parse")
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debug(FILTER, "%s switching back to parse with", self) self.htmlparser.debugbuf()
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def jsScriptData (self, data, url, ver): """Callback for loading <script src=""> data in the background If downloading is finished, data is None""" assert self.htmlparser.state[0]=='wait', "non-wait state" if data is None: if not self.js_script: warn(FILTER, "HtmlParser[%d]: empty JS src %s", self.level, url) self.js_script = "// error fetching script from %r"%url self.htmlparser.tagbuf.append([STARTTAG, "script", {'type': 'text/javascript'}]) script = "\n<!--\n%s\n//-->\n"%escape_js(self.js_script) self.htmlparser.tagbuf.append([DATA, script]) # Note: <script src=""> could be missing an end tag, # but now we need one. Look later for a duplicate </script>. self.htmlparser.tagbuf.append([ENDTAG, "script"]) self.js_script = '' self.htmlparser.state = ('parse',) self._debug("switching back to parse") else: self._debug("JS read %d <= %s", len(data), url) self.js_script += data
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self._debug("JS read %d <= %s", len(data), url)
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debug(FILTER, "JS read %d <= %s", len(data), url)
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def jsScriptData (self, data, url, ver): """Callback for loading <script src=""> data in the background If downloading is finished, data is None""" assert self.htmlparser.state[0]=='wait', "non-wait state" if data is None: if not self.js_script: warn(FILTER, "HtmlParser[%d]: empty JS src %s", self.level, url) self.js_script = "// error fetching script from %r"%url self.htmlparser.tagbuf.append([STARTTAG, "script", {'type': 'text/javascript'}]) script = "\n<!--\n%s\n//-->\n"%escape_js(self.js_script) self.htmlparser.tagbuf.append([DATA, script]) # Note: <script src=""> could be missing an end tag, # but now we need one. Look later for a duplicate </script>. self.htmlparser.tagbuf.append([ENDTAG, "script"]) self.js_script = '' self.htmlparser.state = ('parse',) self._debug("switching back to parse") else: self._debug("JS read %d <= %s", len(data), url) self.js_script += data
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def jsEndScript (self, item): self._debug("JS: endScript") assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf if self.js_output: try: self.js_htmlparser.feed('') data = self.js_htmlparser.flush() except FilterWait: self._debug("JS: subprocessor is waiting") self.htmlparser.state = ('wait', 'recursive script') self.htmlparser.waited = 1 make_timer(0.2, lambda : self.jsEndScript(item)) return self.js_htmlparser._debugbuf() assert not self.js_htmlparser.inbuf.getvalue() assert not self.js_htmlparser.waitbuf assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf self.htmlparser.tagbuf[-2:-2] = [[DATA, data]]+self.js_htmlparser.tagbuf self.js_htmlparser = None if (self.js_popup + self.js_output) > 0: del self.htmlparser.tagbuf[-1] del self.htmlparser.tagbuf[-1] elif not self._filterEndElement(item[1]): self.htmlparser.tagbuf.append(item) self._debug("JS: switching back to parse with") self.htmlparser.state = ('parse',) def _jsEndElement (self, item): """parse generated html for scripts""" self._debug("jsEndElement buf %r", self.htmlparser.tagbuf) if len(self.htmlparser.tagbuf)<2: warn(FILTER, "JS syntax error, self.tagbuf %r", self.htmlparser.tagbuf) return if self.js_src: debug(FILTER, "JS src, self.tagbuf %r", self.htmlparser.tagbuf) del self.htmlparser.tagbuf[-1] if len(self.htmlparser.tagbuf)<2: warn(FILTER, "JS end, self.tagbuf %s", self.htmlparser.tagbuf) return if len(self.htmlparser.tagbuf) > 2 and \ self.htmlparser.tagbuf[-3][0]==STARTTAG and \ self.htmlparser.tagbuf[-3][1]=='script': del self.htmlparser.tagbuf[-1] if len(self.htmlparser.tagbuf)<2 or \ self.htmlparser.tagbuf[-1][0]!=DATA or \ self.htmlparser.tagbuf[-2][0]!=STARTTAG or \ self.htmlparser.tagbuf[-2][1]!='script': return js_ok, js_lang = get_js_data(self.htmlparser.tagbuf[-2][2]) if not js_ok: self.htmlparser.tagbuf.append(item) return ver = get_js_ver(js_lang) script = self.htmlparser.tagbuf[-1][1].strip() mo = _start_js_comment(script) if mo: script = script[mo.end():] mo = _end_js_comment(script) if mo: script = script[:mo.start()] script = script.strip() if not script: del self.htmlparser.tagbuf[-1] del self.htmlparser.tagbuf[-1] return self.htmlparser.tagbuf[-1][1] = "\n<!--\n%s\n//-->\n"%escape_js(script) self.jsScript(script, ver, item) def _jsStartElement (self, tag, attrs): """Check popups for onmouseout and onmouseover. Inline extern javascript sources""" self.js_src = False self.js_output = 0 self.js_popup = 0 for name in ('onmouseover', 'onmouseout'): if attrs.has_key(name) and self.jsPopup(attrs, name): self._debug("JS: del %r from %r", name, tag) del attrs[name] if tag=='form': name = attrs.get('name', attrs.get('id')) self.jsForm(name, attrs.get('action', ''), attrs.get('target', '')) elif tag=='script': js_ok, js_lang = get_js_data(attrs) url = attrs.get('src', '') if js_ok and url: self.jsScriptSrc(url, js_lang) return self.htmlparser.tagbuf.append([STARTTAG, tag, attrs])
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def jsEndScript (self, item): self._debug("JS: endScript") assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf if self.js_output: try: self.js_htmlparser.feed('') data = self.js_htmlparser.flush() except FilterWait: self._debug("JS: subprocessor is waiting") self.htmlparser.state = ('wait', 'recursive script') self.htmlparser.waited = 1 make_timer(0.2, lambda : self.jsEndScript(item)) return self.js_htmlparser._debugbuf() assert not self.js_htmlparser.inbuf.getvalue() assert not self.js_htmlparser.waitbuf assert len(self.htmlparser.tagbuf) >= 2, "too small buffer %s" % self.htmlparser.tagbuf self.htmlparser.tagbuf[-2:-2] = [[DATA, data]]+self.js_htmlparser.tagbuf self.js_htmlparser = None if (self.js_popup + self.js_output) > 0: # delete old script del self.htmlparser.tagbuf[-1] del self.htmlparser.tagbuf[-1] elif not self._filterEndElement(item[1]): self.htmlparser.tagbuf.append(item) self._debug("JS: switching back to parse with") self.htmlparser.state = ('parse',)
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_in, _out = os.popen4(cc_cmd) _in.write(prog) _in.close() while _out.read(): pass return _out.close() is None
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pipe = popen2.Popen4(cc_cmd) pipe.tochild.write(prog) pipe.tochild.close() status = pipe.wait() if os.WIFEXITED(status): return os.WEXITSTATUS(status)==0 return False
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def cc_supports_option (cc, option): prog = "int main(){}\n" cc_cmd = "%s -E %s -" % (cc[0], option) _in, _out = os.popen4(cc_cmd) _in.write(prog) _in.close() while _out.read(): pass return _out.close() is None
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'wc.webgui.PageTemplates', 'wc.webgui.TAL', 'wc.webgui.ZTUtils',
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'wc.webgui.pagetemplate', 'wc.webgui.tal', 'wc.webgui.tales',
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def run (self): if self.all: # remove share directory directory = os.path.join("build", "share") if os.path.exists(directory): remove_tree(directory, dry_run=self.dry_run) else: log.warn("'%s' does not exist -- can't clean it", directory) clean.run(self)
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chals = [get_digest_challenge(), get_basic_challenge(), ]
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chals = [ get_basic_challenge(), get_digest_challenge(), ]
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def get_challenges (**args): """ Return list of challenges for WebCleaner proxy authentication Note that HTTP/1.1 allows multiple authentication challenges either as multiple headers with the same key, or as one single header whose value list is separated by commas. """ if wc.configuration.config['auth_ntlm'] and wc.HasCrypto: chals = [get_ntlm_challenge(**args)] else: chals = [get_digest_challenge(), get_basic_challenge(), ] wc.log.debug(wc.LOG_AUTH, "challenges %s", chals) return chals
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file_logs=self.file_logs)
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filelogs=self.filelogs)
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def SvcDoRun (self): """start this service""" import servicemanager # Log a "started" message to the event log. servicemanager.LogMsg( servicemanager.EVENTLOG_INFORMATION_TYPE, servicemanager.PYS_SERVICE_STARTED, (self._svc_name_, '')) wc.wstartfunc(handle=self.hWaitStop, confdir=self.configdir, file_logs=self.file_logs) # Now log a "service stopped" message servicemanager.LogMsg( servicemanager.EVENTLOG_INFORMATION_TYPE, servicemanager.PYS_SERVICE_STOPPED, (self._svc_name_,''))
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self._debug(NIGHTMARE, "XXX", self.buf)
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self._debug(NIGHTMARE, "jsEndElement buf", self.buf)
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def jsEndElement (self, item): """parse generated html for scripts""" self._debug(NIGHTMARE, "XXX", self.buf) if len(self.buf)<2: # syntax error, ignore return if self.js_src: del self.buf[-1] if self.buf[-3][0]==STARTTAG and self.buf[-3][1]=='script': del self.buf[-1] if len(self.buf)<2 or self.buf[-1][0]!=DATA or \ self.buf[-2][0]!=STARTTAG or self.buf[-2][1]!='script': # syntax error, ignore return # get script data script = self.buf[-1][1].strip() # remove html comments if script.startswith("<!--"): i = script.find('\n') if i==-1: script = script[4:] else: script = script[(i+1):] if script.endswith("-->"): script = script[:-3] if not script: # again, ignore an empty script del self.buf[-1] del self.buf[-1] else: self.jsScript(script, 0.0, item)
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self._debug(NIGHTMARE, "self.buf", `self.buf`) self._debug(NIGHTMARE, "self.waitbuf", `self.waitbuf`) self._debug(NIGHTMARE, "self.inbuf", `self.inbuf.getvalue()`) self._debug(NIGHTMARE, "self.outbuf", `self.outbuf.getvalue()`)
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def _debugbuf (self): """print debugging information about buffer status""" self._debug(NIGHTMARE, "self.buf", `self.buf`) self._debug(NIGHTMARE, "self.waitbuf", `self.waitbuf`) self._debug(NIGHTMARE, "self.inbuf", `self.inbuf.getvalue()`) self._debug(NIGHTMARE, "self.outbuf", `self.outbuf.getvalue()`)
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self._debug(NIGHTMARE, "feed", `data`)
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def feed (self, data): if self.state=='parse': if self.waited: self.waited = 0 waitbuf, self.waitbuf = self.waitbuf, [] self.replay(waitbuf) if self.state!='parse': return data = self.inbuf.getvalue() self.inbuf.close() self.inbuf = StringIO() if data: self._debug(NIGHTMARE, "feed", `data`) HtmlParser.feed(self, data) else: self._debug(NIGHTMARE, "feed") else: self._debug(NIGHTMARE, "wait") self.inbuf.write(data)
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self._debug(NIGHTMARE, "feed")
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def feed (self, data): if self.state=='parse': if self.waited: self.waited = 0 waitbuf, self.waitbuf = self.waitbuf, [] self.replay(waitbuf) if self.state!='parse': return data = self.inbuf.getvalue() self.inbuf.close() self.inbuf = StringIO() if data: self._debug(NIGHTMARE, "feed", `data`) HtmlParser.feed(self, data) else: self._debug(NIGHTMARE, "feed") else: self._debug(NIGHTMARE, "wait") self.inbuf.write(data)
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self._debug(NIGHTMARE, "wait")
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def feed (self, data): if self.state=='parse': if self.waited: self.waited = 0 waitbuf, self.waitbuf = self.waitbuf, [] self.replay(waitbuf) if self.state!='parse': return data = self.inbuf.getvalue() self.inbuf.close() self.inbuf = StringIO() if data: self._debug(NIGHTMARE, "feed", `data`) HtmlParser.feed(self, data) else: self._debug(NIGHTMARE, "feed") else: self._debug(NIGHTMARE, "wait") self.inbuf.write(data)
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self._debug(HURT_ME_PLENTY, "flush")
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def flush (self): self._debug(HURT_ME_PLENTY, "flush") if self.state=='wait': raise FilterException("HtmlFilter[%d]: still waiting for data"%self.level) HtmlParser.flush(self)
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self._debug(NIGHTMARE, "buf_append_data")
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def buf_append_data (self, data): """we have to make sure that we have no two following DATA things in the buffer. Why? To be 100% sure that an ENCLOSED match really matches enclosed data. """ self._debug(NIGHTMARE, "buf_append_data") if data[0]==DATA and self.buf and self.buf[-1][0]==DATA: self.buf[-1][1] += data[1] else: self.buf.append(data)
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self._debug(NIGHTMARE, "flushbuf")
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def flushbuf (self): """flush internal data buffer""" self._debug(NIGHTMARE, "flushbuf") data = self.outbuf.getvalue() self.outbuf.close() self.outbuf = StringIO() return data
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self._debug(NIGHTMARE, "startElement", `tag`)
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def startElement (self, tag, attrs): """We get a new start tag. New rules could be appended to the pending rules. No rules can be removed from the list.""" # default data self._debug(NIGHTMARE, "startElement", `tag`) item = [STARTTAG, tag, attrs] if self.state=='wait': return self.waitbuf.append(item) rulelist = [] filtered = 0 # look for filter rules which apply for rule in self.rules: if rule.match_tag(tag) and rule.match_attrs(attrs): self._debug(NIGHTMARE, "matched rule %s on tag %s" % (`rule.title`, `tag`)) if rule.start_sufficient: item = rule.filter_tag(tag, attrs) filtered = "True" # give'em a chance to replace more than one attribute if item[0]==STARTTAG and item[1]==tag: foo,tag,attrs = item continue else: break else: self._debug(NIGHTMARE, "put on buffer") rulelist.append(rule) if rulelist: # remember buffer position for end tag matching pos = len(self.buf) self.rulestack.append((pos, rulelist)) if filtered: self.buf_append_data(item) elif self.js_filter: # if its not yet filtered, try filter javascript self.jsStartElement(tag, attrs) else: self.buf.append(item) # if rule stack is empty, write out the buffered data if not self.rulestack and not self.js_filter: self.buf2data()
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self._debug(NIGHTMARE, "matched rule %s on tag %s" % (`rule.title`, `tag`))
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def startElement (self, tag, attrs): """We get a new start tag. New rules could be appended to the pending rules. No rules can be removed from the list.""" # default data self._debug(NIGHTMARE, "startElement", `tag`) item = [STARTTAG, tag, attrs] if self.state=='wait': return self.waitbuf.append(item) rulelist = [] filtered = 0 # look for filter rules which apply for rule in self.rules: if rule.match_tag(tag) and rule.match_attrs(attrs): self._debug(NIGHTMARE, "matched rule %s on tag %s" % (`rule.title`, `tag`)) if rule.start_sufficient: item = rule.filter_tag(tag, attrs) filtered = "True" # give'em a chance to replace more than one attribute if item[0]==STARTTAG and item[1]==tag: foo,tag,attrs = item continue else: break else: self._debug(NIGHTMARE, "put on buffer") rulelist.append(rule) if rulelist: # remember buffer position for end tag matching pos = len(self.buf) self.rulestack.append((pos, rulelist)) if filtered: self.buf_append_data(item) elif self.js_filter: # if its not yet filtered, try filter javascript self.jsStartElement(tag, attrs) else: self.buf.append(item) # if rule stack is empty, write out the buffered data if not self.rulestack and not self.js_filter: self.buf2data()
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self._debug(NIGHTMARE, "put on buffer")
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def startElement (self, tag, attrs): """We get a new start tag. New rules could be appended to the pending rules. No rules can be removed from the list.""" # default data self._debug(NIGHTMARE, "startElement", `tag`) item = [STARTTAG, tag, attrs] if self.state=='wait': return self.waitbuf.append(item) rulelist = [] filtered = 0 # look for filter rules which apply for rule in self.rules: if rule.match_tag(tag) and rule.match_attrs(attrs): self._debug(NIGHTMARE, "matched rule %s on tag %s" % (`rule.title`, `tag`)) if rule.start_sufficient: item = rule.filter_tag(tag, attrs) filtered = "True" # give'em a chance to replace more than one attribute if item[0]==STARTTAG and item[1]==tag: foo,tag,attrs = item continue else: break else: self._debug(NIGHTMARE, "put on buffer") rulelist.append(rule) if rulelist: # remember buffer position for end tag matching pos = len(self.buf) self.rulestack.append((pos, rulelist)) if filtered: self.buf_append_data(item) elif self.js_filter: # if its not yet filtered, try filter javascript self.jsStartElement(tag, attrs) else: self.buf.append(item) # if rule stack is empty, write out the buffered data if not self.rulestack and not self.js_filter: self.buf2data()
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self._debug(NIGHTMARE, "JS: jsStartElement")
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def jsStartElement (self, tag, attrs): """Check popups for onmouseout and onmouseover. Inline extern javascript sources""" self._debug(NIGHTMARE, "JS: jsStartElement") changed = 0 self.js_src = 0 self.js_output = 0 self.js_popup = 0 for name in ('onmouseover', 'onmouseout'): if attrs.has_key(name) and self.jsPopup(attrs, name): del attrs[name] changed = 1 if tag=='form': name = attrs.get('name', attrs.get('id')) self.jsForm(name, attrs.get('action', ''), attrs.get('target', '')) elif tag=='script': lang = attrs.get('language', '').lower() url = attrs.get('src', '') scrtype = attrs.get('type', '').lower() is_js = scrtype=='text/javascript' or \ lang.startswith('javascript') or \ not (lang or scrtype) if is_js and url: return self.jsScriptSrc(url, lang) self.buf.append([STARTTAG, tag, attrs])
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self._debug(NIGHTMARE, "switching back to parse with")
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def jsScriptData (self, data, url, ver): """Callback for loading <script src=""> data in the background If downloading is finished, data is None""" assert self.state=='wait' if data is None: if not self.js_script: print >> sys.stderr, "HtmlFilter[%d]: empty JS src"%self.level, url else: self.buf.append([STARTTAG, "script", {'type': 'text/javascript'}]) if self.js_script.find("<!--")==-1: script = "<!--\n%s\n//-->"%self.js_script else: script = self.js_script self.buf.append([DATA, script]) # Note: <script src=""> could be missing an end tag, # but now we need one. Look later for a duplicate </script>. self.buf.append([ENDTAG, "script"]) self.state = 'parse' self.js_script = '' self._debug(NIGHTMARE, "switching back to parse with") self._debugbuf() else: self._debug(HURT_ME_PLENTY, "JS read", len(data), "<=", url) self.js_script += data
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self._debug(HURT_ME_PLENTY, "JS read", len(data), "<=", url)
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def jsScriptData (self, data, url, ver): """Callback for loading <script src=""> data in the background If downloading is finished, data is None""" assert self.state=='wait' if data is None: if not self.js_script: print >> sys.stderr, "HtmlFilter[%d]: empty JS src"%self.level, url else: self.buf.append([STARTTAG, "script", {'type': 'text/javascript'}]) if self.js_script.find("<!--")==-1: script = "<!--\n%s\n//-->"%self.js_script else: script = self.js_script self.buf.append([DATA, script]) # Note: <script src=""> could be missing an end tag, # but now we need one. Look later for a duplicate </script>. self.buf.append([ENDTAG, "script"]) self.state = 'parse' self.js_script = '' self._debug(NIGHTMARE, "switching back to parse with") self._debugbuf() else: self._debug(HURT_ME_PLENTY, "JS read", len(data), "<=", url) self.js_script += data
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self._debug(HURT_ME_PLENTY, "JS jsScriptSrc", url, ver)
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def jsScriptSrc (self, url, language): """Start a background download for <script src=""> tags""" assert self.state=='parse' ver = 0.0 if language: mo = re.search(r'(?i)javascript(?P<num>\d\.\d)', language) if mo: ver = float(mo.group('num')) url = urlparse.urljoin(self.url, url) self._debug(HURT_ME_PLENTY, "JS jsScriptSrc", url, ver) self.state = 'wait' self.js_src = 'True' client = HttpProxyClient(self.jsScriptData, (url, ver)) ClientServerMatchmaker(client, "GET %s HTTP/1.1" % url, #request {}, #headers '', #content {'nofilter': None}, 'identity', # compress ) self.waited = "True"
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self._debug(NIGHTMARE, "JS: jsScript", ver, `script`)
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def jsScript (self, script, ver, item): """execute given script with javascript version ver""" self._debug(NIGHTMARE, "JS: jsScript", ver, `script`) assert self.state == 'parse' assert len(self.buf) >= 2 self.js_output = 0 self.js_env.attachListener(self) # start recursive html filter (used by jsProcessData) self.js_html = HtmlFilter(self.rules, self.url, comments=self.comments, javascript=self.js_filter, level=self.level+1) # execute self.js_env.executeScript(script, ver) self.js_env.detachListener(self) # wait for recursive filter to finish self.jsEndScript(item)
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self._debug(NIGHTMARE, "JS: endScript")
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def jsEndScript (self, item): self._debug(NIGHTMARE, "JS: endScript") assert len(self.buf) >= 2 if self.js_output: try: self.js_html.feed('') self.js_html.flush() except FilterException: self.state = 'wait' self.waited = "True" make_timer(0.1, lambda : HtmlFilter.jsEndScript(self, item)) return self.js_html._debugbuf() assert not self.js_html.inbuf.getvalue() assert not self.js_html.waitbuf assert len(self.buf) >= 2 self.buf[-2:-2] = [[DATA, self.js_html.outbuf.getvalue()]]+self.js_html.buf self.js_html = None if (self.js_popup + self.js_output) > 0: # delete old script del self.buf[-1] del self.buf[-1] else: self.buf.append(item) self._debug(NIGHTMARE, "JS: switching back to parse with") self._debugbuf() self.state = 'parse'
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self._debug(NIGHTMARE, "JS: switching back to parse with")
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def jsEndScript (self, item): self._debug(NIGHTMARE, "JS: endScript") assert len(self.buf) >= 2 if self.js_output: try: self.js_html.feed('') self.js_html.flush() except FilterException: self.state = 'wait' self.waited = "True" make_timer(0.1, lambda : HtmlFilter.jsEndScript(self, item)) return self.js_html._debugbuf() assert not self.js_html.inbuf.getvalue() assert not self.js_html.waitbuf assert len(self.buf) >= 2 self.buf[-2:-2] = [[DATA, self.js_html.outbuf.getvalue()]]+self.js_html.buf self.js_html = None if (self.js_popup + self.js_output) > 0: # delete old script del self.buf[-1] del self.buf[-1] else: self.buf.append(item) self._debug(NIGHTMARE, "JS: switching back to parse with") self._debugbuf() self.state = 'parse'
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self._debug(NIGHTMARE, "jsEndElement buf", self.buf)
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def jsEndElement (self, item): """parse generated html for scripts""" self._debug(NIGHTMARE, "jsEndElement buf", self.buf) if len(self.buf)<2: # syntax error, ignore return if self.js_src: del self.buf[-1] if self.buf[-3][0]==STARTTAG and self.buf[-3][1]=='script': del self.buf[-1] if len(self.buf)<2 or self.buf[-1][0]!=DATA or \ self.buf[-2][0]!=STARTTAG or self.buf[-2][1]!='script': # syntax error, ignore return # get script data script = self.buf[-1][1].strip() # remove html comments if script.startswith("<!--"): i = script.find('\n') if i==-1: script = script[4:] else: script = script[(i+1):] if script.endswith("-->"): script = script[:-3] if not script: # again, ignore an empty script del self.buf[-1] del self.buf[-1] else: self.jsScript(script, 0.0, item)
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"""<?xml version="1.0" encoding="UTF8"?>
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"""<?xml version="1.0" encoding="UTF-8"?>
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def testRdfDescription (self): self.filt("""<?xml version="1.0" encoding="ISO-8859-1"?>
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"""<?xml version="1.0" encoding="UTF8"?>
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"""<?xml version="1.0" encoding="UTF-8"?>
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def testRdfDescription2 (self): self.filt("""<?xml version="1.0" encoding="ISO-8859-1"?>
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"""<?xml version="1.0" encoding="UTF8"?>
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"""<?xml version="1.0" encoding="UTF-8"?>
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def testRdfDescription3 (self): self.filt("""<?xml version="1.0" encoding="ISO-8859-1"?>
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"""compress the string s. Note that compression state is saved outside of this function in the compression object.
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"""Compress the string s. Note that compression state is saved outside of this function in the compression object.
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def filter (self, data, **attrs): """compress the string s. Note that compression state is saved outside of this function in the compression object. """ if not attrs.has_key('compressobj'): return data compobj = attrs['compressobj'] if compobj: header = compobj['header'] if header: compobj['header'] = '' wc.log.debug(wc.LOG_FILTER, 'writing gzip header') compobj['size'] += len(data) compobj['crc'] = zlib.crc32(data, compobj['crc']) data = "%s%s" % (header, compobj['compressor'].compress(data)) return data
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if docontinue and serverpool.http_versions.get(addr, 1.1) < 1.1: self.client.error(417, i18n._("Expectation failed"), i18n._("Server does not understand HTTP/1.1")) return if expect:
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if docontinue: if serverpool.http_versions.get(addr, 1.1) < 1.1: self.client.error(417, i18n._("Expectation failed"), i18n._("Server does not understand HTTP/1.1")) return elif expect:
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def server_connected (self, server): assert self.state == 'connect' if not self.client.connected: # The client has aborted, so let's return this server # connection to the pool server.reuse() return self.server = server addr = (self.ipaddr, self.port) # check expectations expect = self.headers.get('Expect', '').lower().strip() docontinue = expect.startswith('100-continue') or \ expect.startswith('0100-continue') if docontinue and serverpool.http_versions.get(addr, 1.1) < 1.1: self.client.error(417, i18n._("Expectation failed"), i18n._("Server does not understand HTTP/1.1")) return if expect: self.client.error(417, i18n._("Expectation failed"), i18n._("Unsupported expectation `%s'")%expect) return # ok, assign server object self.state = 'response' # At this point, we tell the server that we are the client. # Once we get a response, we transfer to the real client. self.server.client_send_request(self.method, self.hostname, self.document, self.headers, self.content, self, self.nofilter, self.url)
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ext.extra_compile_args.extend(extra)
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for opt in extra: if opt not in ext.extra_compile_args: ext.extra_compile_args.append(opt)
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def build_extensions (self): # For gcc 3.x we can add -std=gnu99 to get rid of warnings. extra = [] if self.compiler.compiler_type == 'unix': option = "-std=gnu99" if cc_supports_option(self.compiler.compiler, option): extra.append(option) # First, sanity-check the 'extensions' list self.check_extensions_list(self.extensions) for ext in self.extensions: ext.extra_compile_args.extend(extra) self.build_extension(ext)
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if part==COMPLETE: return [DATA, ""]
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def filter_tag (self, tag, attrs): #debug(NIGHTMARE, "rule %s filter_tag" % self.title) part = self.replace[0] #debug(NIGHTMARE, "original tag", `tag`, "attrs", attrs) #debug(NIGHTMARE, "replace", num_part(part), "with", `self.replace[1]`) if part==TAGNAME: return (STARTTAG, self.replace[1], attrs) if part==TAG: return (DATA, self.replace[1]) if part==ENCLOSED: return (STARTTAG, tag, attrs) if part==COMPLETE: return [DATA, ""] newattrs = {} # look for matching tag attributes for attr,val in attrs.items(): ro = self.attrs.get(attr) if ro: mo = ro.search(val) if mo: if part==ATTR: # replace complete attr if self.replace[1]: newattrs[self.replace[1][0]] = self.replace[1][1] else: # part has to be ATTRVAL # Python has named submatches, and we can use them # the name 'replace' replaces the value, # all other names are given as format strings dict = mo.groupdict() if dict.has_key('replace'): newattrs[attr] = dict['replace'] else: newattrs[attr] = self.replace[1] % dict continue # nothing matched, just append the attribute as is newattrs[attr] = val #debug(NIGHTMARE, "filtered tag", tag, "attrs", newattrs) return (STARTTAG, tag, newattrs)
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