99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
import importlib
|
|
import inspect
|
|
import traceback
|
|
|
|
class IPlugin(object):
|
|
|
|
def __init__(self, iwla):
|
|
self.iwla = iwla
|
|
self.requires = []
|
|
self.conf_requires = []
|
|
self.API_VERSION = 1
|
|
self.ANALYSIS_CLASS = 'HTTP'
|
|
|
|
def isValid(self, analysis_class, api_version):
|
|
if analysis_class != self.ANALYSIS_CLASS: return False
|
|
|
|
# For now there is only version 1
|
|
if self.API_VERSION != api_version:
|
|
return False
|
|
|
|
return True
|
|
|
|
def getRequirements(self):
|
|
return self.requires
|
|
|
|
def getConfRequirements(self):
|
|
return self.conf_requires
|
|
|
|
def load(self):
|
|
return True
|
|
|
|
def hook(self):
|
|
pass
|
|
|
|
def preloadPlugins(plugins, iwla):
|
|
cache_plugins = {}
|
|
|
|
print "==> Preload plugins"
|
|
|
|
for (root, plugins_filenames) in plugins:
|
|
for plugin_filename in plugins_filenames:
|
|
plugin_path = root + '.' + plugin_filename
|
|
try:
|
|
mod = importlib.import_module(plugin_path)
|
|
classes = [c for _,c in inspect.getmembers(mod)\
|
|
if inspect.isclass(c) and \
|
|
issubclass(c, IPlugin) and \
|
|
c.__name__ != 'IPlugin'
|
|
]
|
|
|
|
if not classes:
|
|
print 'No plugin defined in %s' % (plugin_path)
|
|
continue
|
|
|
|
plugin = classes[0](iwla)
|
|
plugin_name = plugin.__class__.__name__
|
|
|
|
if not plugin.isValid(iwla.ANALYSIS_CLASS, iwla.API_VERSION):
|
|
#print 'Plugin not valid %s' % (plugin_filename)
|
|
continue
|
|
|
|
#print 'Load plugin %s' % (plugin_name)
|
|
|
|
conf_requirements = plugin.getConfRequirements()
|
|
|
|
requirement_validated = True
|
|
for r in conf_requirements:
|
|
conf_value = iwla.getConfValue(r, None)
|
|
if conf_value is None:
|
|
print '\'%s\' conf value required for %s' % (r, plugin_path)
|
|
requirement_validated = False
|
|
break
|
|
if not requirement_validated: continue
|
|
|
|
requirements = plugin.getRequirements()
|
|
|
|
requirement_validated = False
|
|
for r in requirements:
|
|
for (_,p) in cache_plugins.items():
|
|
if p.__class__.__name__ == r:
|
|
requirement_validated = True
|
|
break
|
|
if not requirement_validated:
|
|
print 'Missing requirements \'%s\' for plugin %s' % (r, plugin_path)
|
|
break
|
|
if requirements and not requirement_validated: continue
|
|
|
|
if not plugin.load():
|
|
print 'Plugin %s load failed' % (plugin_path)
|
|
continue
|
|
|
|
print '\tRegister %s' % (plugin_path)
|
|
cache_plugins[plugin_path] = plugin
|
|
except Exception as e:
|
|
print 'Error loading %s => %s' % (plugin_path, e)
|
|
traceback.print_exc()
|
|
|
|
return cache_plugins
|