650 lines
22 KiB
Python
Executable File
650 lines
22 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import shutil
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import sys
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import re
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import time
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import pickle
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import gzip
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import importlib
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import argparse
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from calendar import monthrange
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from datetime import date
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import default_conf as conf
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import conf as _
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conf.__dict__.update(_.__dict__)
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del _
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from iplugin import *
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from display import *
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#
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# Main class IWLA
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# Parse Log, compute them, call plugins and produce output
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# For now, only HTTP log are valid
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#
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# Plugin requirements :
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# None
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#
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# Conf values needed :
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# analyzed_filename
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# domain_name
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#
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# Output files :
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# DB_ROOT/meta.db
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# DB_ROOT/year/month/iwla.db
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# OUTPUT_ROOT/index.html
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# OUTPUT_ROOT/year/month/index.html
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#
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# Statistics creation :
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#
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# meta =>
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# last_time
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# start_analysis_time
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# stats =>
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# year =>
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# month =>
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# viewed_bandwidth
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# not_viewed_bandwidth
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# viewed_pages
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# viewed_hits
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# nb_visitors
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#
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# month_stats :
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# viewed_bandwidth
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# not_viewed_bandwidth
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# viewed_pages
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# viewed_hits
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# nb_visitors
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#
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# days_stats :
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# day =>
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# viewed_bandwidth
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# not_viewed_bandwidth
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# viewed_pages
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# viewed_hits
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# nb_visitors
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#
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# visits :
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# remote_addr =>
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# remote_addr
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# remote_ip
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# viewed_pages
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# viewed_hits
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# not_viewed_pages
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# not_viewed_hits
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# bandwidth
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# last_access
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# requests =>
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# [fields_from_format_log]
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# extract_request =>
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# extract_uri
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# extract_parameters*
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# extract_referer* =>
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# extract_uri
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# extract_parameters*
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# robot
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# hit_only
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# is_page
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#
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# valid_visitors:
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# month_stats without robot and hit only visitors (if not conf.count_hit_only_visitors)
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#
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# Statistics update :
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# None
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#
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# Statistics deletion :
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# None
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#
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class IWLA(object):
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ANALYSIS_CLASS = 'HTTP'
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API_VERSION = 1
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IWLA_VERSION = '0.1'
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def __init__(self):
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print '==> Start'
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self.meta_infos = {}
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self.analyse_started = False
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self.current_analysis = {}
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self.cache_plugins = {}
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self.display = DisplayHTMLBuild(self)
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self.valid_visitors = None
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self.log_format_extracted = re.sub(r'([^\$\w])', r'\\\g<1>', conf.log_format)
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self.log_format_extracted = re.sub(r'\$(\w+)', '(?P<\g<1>>.+)', self.log_format_extracted)
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self.http_request_extracted = re.compile(r'(?P<http_method>\S+) (?P<http_uri>\S+) (?P<http_version>\S+)')
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self.log_re = re.compile(self.log_format_extracted)
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self.uri_re = re.compile(r'(?P<extract_uri>[^\?]+)(\?(?P<extract_parameters>.+))?')
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self.plugins = [(conf.PRE_HOOK_DIRECTORY , conf.pre_analysis_hooks),
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(conf.POST_HOOK_DIRECTORY , conf.post_analysis_hooks),
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(conf.DISPLAY_HOOK_DIRECTORY , conf.display_hooks)]
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def getVersion(self):
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return IWLA.IWLA_VERSION
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def getConfValue(self, key, default=None):
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if not key in dir(conf):
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return default
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else:
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return conf.__dict__[key]
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def _clearVisits(self):
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self.current_analysis = {
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'days_stats' : {},
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'month_stats' : {},
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'visits' : {}
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}
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self.valid_visitors = None
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return self.current_analysis
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def getDaysStats(self):
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return self.current_analysis['days_stats']
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def getMonthStats(self):
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return self.current_analysis['month_stats']
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def getCurrentVisists(self):
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return self.current_analysis['visits']
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def getValidVisitors(self):
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return self.valid_visitors
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def getDisplay(self):
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return self.display
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def getCurTime(self):
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return self.meta_infos['last_time']
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def getStartAnalysisTime(self):
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return self.meta_infos['start_analysis_time']
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def isValidForCurrentAnalysis(self, request):
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cur_time = self.meta_infos['start_analysis_time']
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# Analyse not started
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if not cur_time: return False
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return (time.mktime(cur_time) < time.mktime(request['time_decoded']))
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def hasBeenViewed(self, request):
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return int(request['status']) in conf.viewed_http_codes
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def getCurDisplayPath(self, filename):
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cur_time = self.meta_infos['last_time']
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return os.path.join(str(cur_time.tm_year), '%02d' % (cur_time.tm_mon), filename)
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def getResourcesPath(self):
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return conf.resources_path
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def getCSSPath(self):
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return conf.css_path
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def _clearMeta(self):
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self.meta_infos = {
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'last_time' : None,
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'start_analysis_time' : None
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}
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return self.meta_infos
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def _clearDisplay(self):
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self.display = DisplayHTMLBuild(self)
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return self.display
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def getDBFilename(self, time):
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return os.path.join(conf.DB_ROOT, str(time.tm_year), '%02d' % (time.tm_mon), conf.DB_FILENAME)
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def _serialize(self, obj, filename):
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base = os.path.dirname(filename)
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if not os.path.exists(base):
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os.makedirs(base)
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# TODO : remove return
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#return
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with open(filename + '.tmp', 'wb+') as f:
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pickle.dump(obj, f)
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f.seek(0)
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with gzip.open(filename, 'w') as fzip:
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fzip.write(f.read())
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os.remove(filename + '.tmp')
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def _deserialize(self, filename):
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if not os.path.exists(filename):
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return None
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with gzip.open(filename, 'r') as f:
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return pickle.load(f)
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return None
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def _callPlugins(self, target_root, *args):
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print '==> Call plugins (%s)' % target_root
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for (root, plugins) in self.plugins:
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if root != target_root: continue
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for p in plugins:
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mod = self.cache_plugins.get(root + '.' + p, None)
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if mod:
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print '\t%s' % (p)
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mod.hook(*args)
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def isPage(self, request):
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for e in conf.pages_extensions:
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if request.endswith(e):
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return True
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return False
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def _appendHit(self, hit):
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remote_addr = hit['remote_addr']
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if not remote_addr: return
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if not remote_addr in self.current_analysis['visits'].keys():
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self._createVisitor(hit)
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super_hit = self.current_analysis['visits'][remote_addr]
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super_hit['requests'].append(hit)
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super_hit['bandwidth'] += int(hit['body_bytes_sent'])
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super_hit['last_access'] = self.meta_infos['last_time']
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request = hit['extract_request']
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uri = request.get('extract_uri', request['http_uri'])
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hit['is_page'] = self.isPage(uri)
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if super_hit['robot'] or\
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not self.hasBeenViewed(hit):
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page_key = 'not_viewed_pages'
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hit_key = 'not_viewed_hits'
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else:
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page_key = 'viewed_pages'
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hit_key = 'viewed_hits'
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if hit['is_page']:
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super_hit[page_key] += 1
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else:
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super_hit[hit_key] += 1
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def _createVisitor(self, hit):
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super_hit = self.current_analysis['visits'][hit['remote_addr']] = {}
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super_hit['remote_addr'] = hit['remote_addr']
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super_hit['remote_ip'] = hit['remote_addr']
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super_hit['viewed_pages'] = 0
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super_hit['viewed_hits'] = 0
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super_hit['not_viewed_pages'] = 0
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super_hit['not_viewed_hits'] = 0
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super_hit['bandwidth'] = 0
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super_hit['last_access'] = self.meta_infos['last_time']
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super_hit['requests'] = []
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super_hit['robot'] = False
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super_hit['hit_only'] = 0
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def _decodeHTTPRequest(self, hit):
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if not 'request' in hit.keys(): return False
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groups = self.http_request_extracted.match(hit['request'])
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if groups:
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hit['extract_request'] = groups.groupdict()
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uri_groups = self.uri_re.match(hit['extract_request']['http_uri'])
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if uri_groups:
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d = uri_groups.groupdict()
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hit['extract_request']['extract_uri'] = d['extract_uri']
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if 'extract_parameters' in d.keys():
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hit['extract_request']['extract_parameters'] = d['extract_parameters']
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else:
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print "Bad request extraction " + hit['request']
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return False
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if hit['http_referer']:
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referer_groups = self.uri_re.match(hit['http_referer'])
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if referer_groups:
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hit['extract_referer'] = referer_groups.groupdict()
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return True
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def _decodeTime(self, hit):
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try:
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hit['time_decoded'] = time.strptime(hit['time_local'], conf.time_format)
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except ValueError, e:
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if sys.version_info < (3, 2):
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# Try without UTC value at the end (%z not recognized)
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gmt_offset_str = hit['time_local'][-5:]
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gmt_offset_hours = int(gmt_offset_str[1:3])*60*60
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gmt_offset_minutes = int(gmt_offset_str[3:5])*60
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gmt_offset = gmt_offset_hours + gmt_offset_minutes
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hit['time_decoded'] = time.strptime(hit['time_local'][:-6], conf.time_format[:-3])
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if gmt_offset_str[0] == '+':
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hit['time_decoded'] = time.localtime(time.mktime(hit['time_decoded'])+gmt_offset)
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else:
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hit['time_decoded'] = time.localtime(time.mktime(hit['time_decoded'])-gmt_offset)
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else:
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raise e
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return hit['time_decoded']
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def getDisplayIndex(self):
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cur_time = self.meta_infos['last_time']
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filename = self.getCurDisplayPath('index.html')
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return self.display.getPage(filename)
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def _generateDisplayDaysStats(self):
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cur_time = self.meta_infos['last_time']
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title = 'Stats %d/%02d' % (cur_time.tm_year, cur_time.tm_mon)
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filename = self.getCurDisplayPath('index.html')
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print '==> Generate display (%s)' % (filename)
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page = self.display.createPage(title, filename, conf.css_path)
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_, nb_month_days = monthrange(cur_time.tm_year, cur_time.tm_mon)
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days = self.display.createBlock(DisplayHTMLBlockTableWithGraph, 'By day', ['Day', 'Visitors', 'Pages', 'Hits', 'Bandwidth', 'Not viewed Bandwidth'], None, nb_month_days, range(1,6))
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days.setColsCSSClass(['', 'iwla_visitor', 'iwla_page', 'iwla_hit', 'iwla_bandwidth', 'iwla_bandwidth'])
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nb_visits = 0
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nb_days = 0
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for i in range(1, nb_month_days+1):
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day = '%d<br/>%s' % (i, time.strftime('%b', cur_time))
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full_day = '%d %s %d' % (i, time.strftime('%b', cur_time), cur_time.tm_year)
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if i in self.current_analysis['days_stats'].keys():
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stats = self.current_analysis['days_stats'][i]
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row = [full_day, stats['nb_visitors'], stats['viewed_pages'], stats['viewed_hits'],
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stats['viewed_bandwidth'], stats['not_viewed_bandwidth']]
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nb_visits += stats['nb_visitors']
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nb_days += 1
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else:
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row = [full_day, 0, 0, 0, 0, 0]
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days.appendRow(row)
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days.setCellValue(i-1, 4, bytesToStr(row[4]))
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days.setCellValue(i-1, 5, bytesToStr(row[5]))
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days.appendShortTitle(day)
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adate = date(cur_time.tm_year, cur_time.tm_mon, i)
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week_day = adate.weekday()
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if week_day == 5 or week_day == 6:
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days.setRowCSSClass(i-1, 'iwla_weekend')
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if adate == date.today():
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css = days.getCellCSSClass(i-1, 0)
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if css: css = '%s %s' % (css, 'iwla_curday')
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else: css = 'iwla_curday'
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days.setCellCSSClass(i-1, 0, css)
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stats = self.current_analysis['month_stats']
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row = [0, nb_visits, stats['viewed_pages'], stats['viewed_hits'], stats['viewed_bandwidth'], stats['not_viewed_bandwidth']]
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if nb_days:
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average_row = map(lambda(v): int(v/nb_days), row)
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else:
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average_row = map(lambda(v): 0, row)
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average_row[0] = 'Average'
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average_row[4] = bytesToStr(average_row[4])
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average_row[5] = bytesToStr(average_row[5])
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days.appendRow(average_row)
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row[0] = 'Total'
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row[4] = bytesToStr(row[4])
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row[5] = bytesToStr(row[5])
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days.appendRow(row)
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page.appendBlock(days)
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self.display.addPage(page)
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def _generateDisplayMonthStats(self, page, year, month_stats):
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cur_time = time.localtime()
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months_name = ['', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'June', 'July', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
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title = 'Summary %d' % (year)
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cols = ['Month', 'Visitors', 'Pages', 'Hits', 'Bandwidth', 'Not viewed Bandwidth', 'Details']
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graph_cols=range(1,6)
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months = self.display.createBlock(DisplayHTMLBlockTableWithGraph, title, cols, None, 12, graph_cols)
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months.setColsCSSClass(['', 'iwla_visitor', 'iwla_page', 'iwla_hit', 'iwla_bandwidth', 'iwla_bandwidth', ''])
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total = [0] * len(cols)
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for i in range(1, 13):
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month = '%s<br/>%d' % (months_name[i], year)
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full_month = '%s %d' % (months_name[i], year)
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if i in month_stats.keys():
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stats = month_stats[i]
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link = '<a href="%d/%02d/index.html">Details</a>' % (year, i)
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row = [full_month, stats['nb_visitors'], stats['viewed_pages'], stats['viewed_hits'],
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stats['viewed_bandwidth'], stats['not_viewed_bandwidth'], link]
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for j in graph_cols:
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total[j] += row[j]
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else:
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row = [full_month, 0, 0, 0, 0, 0, '']
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months.appendRow(row)
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months.setCellValue(i-1, 4, bytesToStr(row[4]))
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months.setCellValue(i-1, 5, bytesToStr(row[5]))
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months.appendShortTitle(month)
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if year == cur_time.tm_year and i == cur_time.tm_mon:
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css = months.getCellCSSClass(i-1, 0)
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if css: css = '%s %s' % (css, 'iwla_curday')
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else: css = 'iwla_curday'
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months.setCellCSSClass(i-1, 0, css)
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total[0] = 'Total'
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total[4] = bytesToStr(total[4])
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total[5] = bytesToStr(total[5])
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months.appendRow(total)
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page.appendBlock(months)
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def _generateDisplayWholeMonthStats(self):
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title = 'Stats for %s' % (conf.domain_name)
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filename = 'index.html'
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print '==> Generate main page (%s)' % (filename)
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page = self.display.createPage(title, filename, conf.css_path)
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last_update = '<b>Last update</b> %s<br />' % (time.strftime('%d %b %Y %H:%M', time.localtime()))
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page.appendBlock(self.display.createBlock(DisplayHTMLRaw, last_update))
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for year in self.meta_infos['stats'].keys():
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self._generateDisplayMonthStats(page, year, self.meta_infos['stats'][year])
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self.display.addPage(page)
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def _generateDisplay(self):
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self._generateDisplayDaysStats()
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self._callPlugins(conf.DISPLAY_HOOK_DIRECTORY)
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self._generateDisplayWholeMonthStats()
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self.display.build(conf.DISPLAY_ROOT)
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def _createEmptyStats(self):
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stats = {}
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stats['viewed_bandwidth'] = 0
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stats['not_viewed_bandwidth'] = 0
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stats['viewed_pages'] = 0
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stats['viewed_hits'] = 0
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stats['nb_visitors'] = 0
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return stats
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def _generateMonthStats(self):
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self._clearDisplay()
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visits = self.current_analysis['visits']
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stats = self._createEmptyStats()
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for (day, stat) in self.current_analysis['days_stats'].items():
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for k in stats.keys():
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stats[k] += stat[k]
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duplicated_stats = {k:v for (k,v) in stats.items()}
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cur_time = self.meta_infos['last_time']
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print "== Stats for %d/%02d ==" % (cur_time.tm_year, cur_time.tm_mon)
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print stats
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if not 'month_stats' in self.current_analysis.keys():
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self.current_analysis['month_stats'] = stats
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else:
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for (k,v) in stats.items():
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self.current_analysis['month_stats'][k] = v
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self.valid_visitors = {}
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for (k,v) in visits.items():
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if v['robot']: continue
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if conf.count_hit_only_visitors and\
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(not v['viewed_pages']):
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continue
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self.valid_visitors[k] = v
|
|
|
|
duplicated_stats['visitors'] = stats['visitors'] = len(self.valid_visitors.keys())
|
|
|
|
self._callPlugins(conf.POST_HOOK_DIRECTORY)
|
|
|
|
path = self.getDBFilename(cur_time)
|
|
if os.path.exists(path):
|
|
os.remove(path)
|
|
|
|
print "==> Serialize to %s" % path
|
|
self._serialize(self.current_analysis, path)
|
|
|
|
# Save month stats
|
|
year = cur_time.tm_year
|
|
month = cur_time.tm_mon
|
|
if not 'stats' in self.meta_infos.keys():
|
|
self.meta_infos['stats'] = {}
|
|
if not year in self.meta_infos['stats'].keys():
|
|
self.meta_infos['stats'][year] = {}
|
|
self.meta_infos['stats'][year][month] = duplicated_stats
|
|
|
|
self._generateDisplay()
|
|
|
|
def _generateDayStats(self):
|
|
visits = self.current_analysis['visits']
|
|
cur_time = self.meta_infos['last_time']
|
|
|
|
self._callPlugins(conf.PRE_HOOK_DIRECTORY)
|
|
|
|
stats = self._createEmptyStats()
|
|
|
|
for (k, super_hit) in visits.items():
|
|
if super_hit['last_access'].tm_mday != cur_time.tm_mday:
|
|
continue
|
|
viewed_page = False
|
|
for hit in super_hit['requests'][::-1]:
|
|
if hit['time_decoded'].tm_mday != cur_time.tm_mday:
|
|
break
|
|
if super_hit['robot'] or\
|
|
not self.hasBeenViewed(hit):
|
|
stats['not_viewed_bandwidth'] += int(hit['body_bytes_sent'])
|
|
continue
|
|
stats['viewed_bandwidth'] += int(hit['body_bytes_sent'])
|
|
if hit['is_page']:
|
|
stats['viewed_pages'] += 1
|
|
viewed_pages = True
|
|
else:
|
|
stats['viewed_hits'] += 1
|
|
if (conf.count_hit_only_visitors or\
|
|
viewed_pages):
|
|
stats['nb_visitors'] += 1
|
|
|
|
print "== Stats for %d/%02d/%d ==" % (cur_time.tm_year, cur_time.tm_mon, cur_time.tm_mday)
|
|
|
|
print stats
|
|
|
|
self.current_analysis['days_stats'][cur_time.tm_mday] = stats
|
|
|
|
def _newHit(self, hit):
|
|
t = self._decodeTime(hit)
|
|
|
|
cur_time = self.meta_infos['last_time']
|
|
|
|
if cur_time == None:
|
|
self.current_analysis = self._deserialize(self.getDBFilename(t)) or self._clearVisits()
|
|
self.analyse_started = True
|
|
else:
|
|
if time.mktime(t) <= time.mktime(cur_time):
|
|
return False
|
|
self.analyse_started = True
|
|
if cur_time.tm_mon != t.tm_mon:
|
|
self._generateMonthStats()
|
|
self.current_analysis = self._deserialize(self.getDBFilename(t)) or self._clearVisits()
|
|
elif cur_time.tm_mday != t.tm_mday:
|
|
self._generateDayStats()
|
|
|
|
self.meta_infos['last_time'] = t
|
|
|
|
if not self.meta_infos['start_analysis_time']:
|
|
self.meta_infos['start_analysis_time'] = t
|
|
|
|
if not self._decodeHTTPRequest(hit): return False
|
|
|
|
for k in hit.keys():
|
|
if hit[k] == '-' or hit[k] == '*':
|
|
hit[k] = ''
|
|
|
|
self._appendHit(hit)
|
|
|
|
return True
|
|
|
|
def start(self, _file):
|
|
print '==> Load previous database'
|
|
|
|
self.meta_infos = self._deserialize(conf.META_PATH) or self._clearMeta()
|
|
if self.meta_infos['last_time']:
|
|
print 'Last time'
|
|
print self.meta_infos['last_time']
|
|
self.current_analysis = self._deserialize(self.getDBFilename(self.meta_infos['last_time'])) or self._clearVisits()
|
|
else:
|
|
self._clearVisits()
|
|
|
|
self.meta_infos['start_analysis_time'] = None
|
|
|
|
self.cache_plugins = preloadPlugins(self.plugins, self)
|
|
|
|
print '==> Analysing log'
|
|
|
|
for l in _file:
|
|
# print "line " + l
|
|
|
|
groups = self.log_re.match(l)
|
|
|
|
if groups:
|
|
if not self._newHit(groups.groupdict()):
|
|
continue
|
|
else:
|
|
print "No match for " + l
|
|
#break
|
|
|
|
if self.analyse_started:
|
|
self._generateDayStats()
|
|
self._generateMonthStats()
|
|
del self.meta_infos['start_analysis_time']
|
|
self._serialize(self.meta_infos, conf.META_PATH)
|
|
else:
|
|
print '==> Analyse not started : nothing new'
|
|
|
|
if __name__ == '__main__':
|
|
parser = argparse.ArgumentParser(description='Intelligent Web Log Analyzer')
|
|
|
|
parser.add_argument('-c', '--clean-output', dest='clean_output', action='store_true',
|
|
default=False,
|
|
help='Clean output before starting')
|
|
|
|
parser.add_argument('-i', '--stdin', dest='stdin', action='store_true',
|
|
default=False,
|
|
help='Read data from stdin instead of conf.analyzed_filename')
|
|
|
|
parser.add_argument('-f', '--file', dest='file',
|
|
help='Analyse this log file')
|
|
|
|
args = parser.parse_args()
|
|
|
|
if args.clean_output:
|
|
if os.path.exists(conf.DB_ROOT): shutil.rmtree(conf.DB_ROOT)
|
|
if os.path.exists(conf.DISPLAY_ROOT): shutil.rmtree(conf.DISPLAY_ROOT)
|
|
|
|
iwla = IWLA()
|
|
|
|
required_conf = ['analyzed_filename', 'domain_name']
|
|
if not validConfRequirements(required_conf, iwla, 'Main Conf'):
|
|
sys.exit(0)
|
|
|
|
if args.stdin:
|
|
iwla.start(sys.stdin)
|
|
else:
|
|
filename = args.file or conf.analyzed_filename
|
|
if not os.path.exists(filename):
|
|
print 'No such file \'%s\'' % (filename)
|
|
sys.exit(-1)
|
|
with open(filename) as f:
|
|
iwla.start(f)
|