Rework plugins with classes

plugins/pre_analysis/robots.py

@@ -0,0 +1,64 @@
+import re
+
+from iwla import IWLA
+from iplugin import IPlugin
+
+from awstats_robots_data import awstats_robots
+
+class IWLAPreAnalysisRobots(IPlugin):
+    def __init__(self, iwla):
+        super(IWLAPreAnalysisRobots, self).__init__(iwla)
+        self.API_VERSION = 1
+
+    def load(self):
+        global awstats_robots
+
+        self.awstats_robots = map(lambda (x) : re.compile(x, re.IGNORECASE), awstats_robots)
+    
+        return True
+
+# Basic rule to detect robots
+    def hook(self, iwla):
+        hits = iwla.getCurrentVisists()
+        for k in hits.keys():
+            super_hit = hits[k]
+
+            if super_hit['robot']: continue
+
+            isRobot = False
+            referers = 0
+
+            first_page = super_hit['requests'][0]
+            if first_page['time_decoded'].tm_mday == super_hit['last_access'].tm_mday:
+                for r in self.awstats_robots:
+                    if r.match(first_page['http_user_agent']):
+                        super_hit['robot'] = 1
+                        continue
+
+# 1) no pages view --> robot
+            if not super_hit['viewed_pages']:
+                super_hit['robot'] = 1
+                continue
+
+# 2) pages without hit --> robot
+            if not super_hit['viewed_hits']:
+                super_hit['robot'] = 1
+                continue
+
+            for hit in super_hit['requests']:
+# 3) /robots.txt read
+                if hit['extract_request']['http_uri'] == '/robots.txt':
+                    isRobot = True
+                    break
+
+# 4) Any referer for hits
+                if not hit['is_page'] and hit['http_referer']:
+                    referers += 1
+
+            if isRobot:
+                super_hit['robot'] = 1
+                continue
+
+            if super_hit['viewed_hits'] and not referers:
+                super_hit['robot'] = 1
+                continue