import libxml2
+import libxslt
from sfatables.globals import *
class XMLRule:
- rule_number = None
- chain = None
- xmldoc = None
- terminal = 0
-
- arguments = {'match':None,'target':None}
- processors = {'match':None,'target':None}
- context = {'match':None,'target':None}
-
- def apply_processor(self, type, rspec):
+ def apply_processor(self, type, doc, output_xpath_filter=None):
processor = self.processors[type]
# XXX TO CLEAN UP
- filepath = 'processors/' + processor
+ filepath = os.path.join(sfatables_config, 'processors', processor)
# XXX
- styledoc = libxml2.parseFile(processor)
+ print filepath
+ styledoc = libxml2.parseFile(filepath)
+ style = libxslt.parseStylesheetDoc(styledoc)
+ result = style.applyStylesheet(doc, None)
+ if (output_xpath_filter):
+ p = result.xpathNewContext()
+ xpath_result = p.xpathEval(output_xpath_filter)
+ if (xpath_result == []):
+ raise Exception("Could not apply processor %s."%processor)
+
+ stylesheet_result = xpath_result
+ p.xpathFreeContext()
+ else:
+ stylesheet_result = result #style.saveResultToString(result)
+
+ style.freeStylesheet()
+ #doc.freeDoc()
+ #result.freeDoc()
+
+ return stylesheet_result
+
+ def wrap_up(self, doc):
+ filepath = os.path.join(sfatables_config, 'processors', self.final_processor)
+
+ if not os.path.exists(filepath):
+ # TODO: final_processor is not there yet
+ return doc#rspec
+
+ styledoc = libxml2.parseFile(filepath)
style = libxslt.parseStylesheetDoc(styledoc)
- doc = libxml2.parseDoc(rspec)
+ #doc = libxml2.parseDoc(rspec)
result = style.applyStylesheet(doc, None)
- processed_result = style.saveResultToString(result, 0)
+ stylesheet_result = style.saveResultToString(result)
style.freeStylesheet()
doc.freeDoc()
result.freeDoc()
+ import pdb
+ pdb.set_trace()
return stylesheet_result
def match(self, rspec):
- match_result = self.apply_processor('match',rspec)
- return (match_result=='True')
+ match_result = self.apply_processor('match',rspec,"//result/@verdict")
+ return (match_result[0].content=='True')
def target(self, rspec):
- target_result = self.apply_processor('target',rspec)
+ target_result = self.apply_processor('target',rspec,None)
return target_result
def apply_interpreted(self, rspec):
root_node.addChild(arguments[type])
return rspec
- def __init__(self, chain, rule_number):
-
- self.load_xml_extension('match', chain, rule_number)
- self.load_xml_extension('target',chain, rule_number)
- self.rule_number = rule_number
- self.chain = chain
-
+ def __init__(self, chain=None, rule_number=None):
+ self.rule_number = None
+ self.chain = None
+ self.xmldoc = None
+ self.terminal = 0
+ self.final_processor = '__sfatables_wrap_up__.xsl'
+
+ self.arguments = {'match':None,'target':None}
+ self.processors = {'match':None,'target':None}
+ self.context = {'match':None,'target':None}
+
+ if (chain and rule_number):
+ self.load_xml_extension('match', chain, rule_number)
+ self.load_xml_extension('target',chain, rule_number)
+ self.rule_number = rule_number
+ self.chain = chain
return
def free(self):