bin/djais/views.py

   1 # -*- coding: utf-8 -*-
   2
   3 from __future__ import division
   4
   5 #TODO
   6 #Normalize 403 errors
   7
   8 import os
   9 import os.path
  10 from datetime import *
  11 import re
  12 from time import time as get_timestamp, sleep
  13 import logging
  14 import crack
  15 import struct
  16 import operator
  17 import rrdtool
  18 import csv
  19 from StringIO import StringIO
  20 from django.http import *
  21 from django.template import loader, RequestContext
  22 from django import forms
  23 from django.shortcuts import render_to_response, get_object_or_404
  24 from django.utils.safestring import mark_safe
  25
  26 from decoratedstr import remove_decoration
  27
  28 from ais.area import list_areas
  29 from ais.djais.basicauth import http_authenticate
  30 from ais.djais.models import *
  31 from ais.show_targets_ships import format_fleet_lastpos, kml_to_kmz, KML_DISPLAYOPT_SHOWHIDDEN
  32 from ais.common import COUNTRIES_MID, Nmea, NmeaFeeder, SHIP_TYPES, STATUS_CODES, AIS_STATUS_NOT_AVAILABLE, AIS_ROT_NOT_AVAILABLE, AIS_LATLON_SCALE, AIS_LON_NOT_AVAILABLE, AIS_LAT_NOT_AVAILABLE, AIS_COG_SCALE, AIS_COG_NOT_AVAILABLE, AIS_NO_HEADING, AIS_SOG_SCALE, AIS_SOG_NOT_AVAILABLE, AIS_SOG_MAX_SPEED, add_nmea1, add_nmea5_partial, load_fleet_to_uset
  33 from ais.ntools import datetime_to_timestamp, strmmsi_to_mmsi, clean_ais_charset, clean_latitude, clean_longitude, LatLonFormatError
  34 from ais.inputs.common import is_id4_active
  35 from ais.inputs.stats import STATS_DIR
  36 from ais.inputs.config import peers_get_config, get_hidden_mmsi
  37 from ais import jobrunner
  38 from ais.djais.widgets import *
  39
  40 def auth(username, raw_password):
  41     try:
  42         user = User.objects.get(login=username)
  43     except User.DoesNotExist:
  44         return None
  45     if not user.check_password(raw_password):
  46         return None
  47     user.update_access_datetime()
  48     return user
  49
  50
  51 @http_authenticate(auth, 'ais')
  52 def index(request):
  53     news = News.objects.order_by('-created')[:5]
  54     return render_to_response('index.html', {'news':news}, RequestContext(request))
  55
  56
  57 class VesselSearchForm(forms.Form):
  58     def country_choices():
  59         choices = {}
  60         for mid, countryname in COUNTRIES_MID.iteritems():
  61             if choices.has_key(countryname):
  62                 choices[countryname] += u','+unicode(mid)
  63             else:
  64                 choices[countryname] = unicode(mid)
  65         choices = [ (countryname, mids) for mids, countryname in choices.iteritems() ]
  66         choices = sorted(choices, key=operator.itemgetter(1))
  67         return [(u'', u'Any')] + choices
  68
  69     name = forms.CharField(max_length=20, required=False)
  70     mmsi = forms.CharField(help_text=u'Maritime Mobile Service Identity', min_length=9, max_length=9, required=False)
  71     imo = forms.IntegerField(help_text=u'International Maritime Organization identifier assigned by Llyod', required=False)
  72     callsign = forms.CharField(max_length=7, required=False)
  73     flag = forms.ChoiceField(choices=country_choices(), required=False)
  74     destination = forms.CharField(max_length=20, required=False)
  75
  76     def clean(self):
  77         cleaned_data = self.cleaned_data
  78         for value in cleaned_data.values():
  79             if value:
  80                 return cleaned_data
  81         raise forms.ValidationError("You must enter at least one criteria")
  82
  83     def clean_mmsi(self):
  84         mmsi = self.cleaned_data['mmsi']
  85         if mmsi:
  86             try:
  87                 mmsi = strmmsi_to_mmsi(mmsi)
  88             except AssertionError:
  89                 raise forms.ValidationError("Invalid MMSI")
  90         return mmsi
  91
  92
  93 @http_authenticate(auth, 'ais')
  94 def vessel_search(request):
  95     if request.method == 'POST' or request.META['QUERY_STRING']:
  96         form = VesselSearchForm(request.REQUEST)
  97         if form.is_valid():
  98             data = form.cleaned_data
  99             vessels = Vessel.objects
 100             if data['mmsi']:
 101                 vessels = vessels.filter(mmsi=data['mmsi'])
 102             if data['name']:
 103                 vessels = vessels.filter(name__contains=data['name'].upper())
 104             if data['imo']:
 105                 vessels = vessels.filter(imo=data['imo'])
 106             if data['callsign']:
 107                 vessels = vessels.filter(callsign__contains=data['callsign'].upper())
 108             if data['destination']:
 109                 vessels = vessels.filter(destination__contains=data['destination'].upper())
 110             if data['flag']:
 111                 vessels = vessels.extra(where=['mmsi/1000000 IN (%s) ' % data['flag']])
 112             return render_to_response('vessels.html', {'vessels': vessels}, RequestContext(request))
 113     else: # GET
 114         form = VesselSearchForm()
 115
 116     return render_to_response('vessel_index.html', {'form': form}, RequestContext(request))
 117
 118 class SecondsWidget(forms.MultiWidget):
 119     '''
 120     A widget that splits period number and period type in a integer and a choice widgets
 121     Does not work well for more than a week, as month lengthes do vary.
 122     '''
 123     __periods = (
 124         (u'1', u'second(s)'),
 125         (u'60', u'minute(s)'),
 126         (u'3600', u'hour(s)'),
 127         (u'86400', u'day(s)'),
 128         (u'604800', u'week(s)'),
 129         (u'2592000', u'month(es)'))
 130
 131     def __init__(self, attrs=None):
 132         textattrs = { 'size': 3 }
 133         if attrs:
 134             textattrs.update(attrs)
 135         widgets = (
 136             forms.TextInput(attrs=textattrs),
 137             forms.Select(choices=self.__periods, attrs=attrs))
 138         super(SecondsWidget, self).__init__(widgets, attrs)
 139
 140     def decompress(self, value):
 141         if value:
 142             for period_second in reversed([int(sec_txt[0]) for sec_txt in self.__periods]):
 143                 if value >= period_second and not value % period_second:
 144                     return [ unicode(value // period_second), unicode(period_second) ]
 145         return [None, None]
 146
 147 class SecondsField(forms.MultiValueField):
 148     widget = SecondsWidget
 149
 150     def __init__(self, *args, **kargs):
 151         fields = (
 152             forms.IntegerField(),
 153             forms.CharField(),
 154         )
 155         forms.MultiValueField.__init__(self, fields=fields, *args, **kargs)
 156
 157     def compress(self, data_list):
 158         #print 'data_list=', data_list
 159         if data_list and data_list[0] is not None and data_list[1] is not None:
 160             try:
 161                 return data_list[0] * int(data_list[1])
 162             except ValueError:
 163                 pass
 164         return None
 165
 166 class HistoryForm(forms.Form):
 167     format = forms.ChoiceField(choices=(('animation', 'Animation (Google Earth v5)'), ('track', 'Track line (Google Earth)'), ('csv', 'Coma separated values (SpreadSheet)')), widget=forms.Select(attrs={'onchange': mark_safe("if (this.value=='csv') $('#csvhint').show(); else $('#csvhint').hide();")}))
 168     period_type = forms.ChoiceField(choices=(('duration', 'Duration until now'), ('date_date','Between two dates'), ('start_duration', 'Start date and duration')), widget=forms.RadioSelect(attrs={'onchange': mark_safe("show_hide_start_end_time(this.value);")}))
 169     start_date = forms.DateTimeField(required=False, widget=AisCalendarWidget(attrs={'class':'vDateField'}))
 170     duration = SecondsField(required=False, label='Period length', initial=7*86400)
 171     end_date = forms.DateTimeField(required=False, widget=AisCalendarWidget(attrs={'class':'vDateField'}))
 172     grain = SecondsField(label='One position every', initial=3600)
 173     filter_area = forms.ChoiceField(required=False, label='Only in area',
 174         choices=[ (u'', u'(Not filtered)') ] + [ (fn[1], fn[0]) for fn in list_areas() ] )
 175     reference_latitude = forms.CharField(required=False)
 176     reference_longitude = forms.CharField(required=False)
 177     filter_close_to = forms.FloatField(required=False, label=u'Only if closer than n miles from reference point')
 178     filter_far_from = forms.FloatField(required=False, label=u'Only if farther than n miles from reference point')
 179     filter_sog_le = forms.FloatField(required=False, label=u'Only if speed ≤ (knots)')
 180     filter_sog_ge = forms.FloatField(required=False, label=u'Only if speed ≥ (knots)')
 181     filter_destination = forms.CharField(required=False, label=u'Only if destination starts with', max_length=20, help_text=u'Use AIS upper case letters')
 182
 183     def clean_start_date(self):
 184         period_type = self.cleaned_data.get('period_type', None)
 185         start_date = self.cleaned_data.get('start_date', None)
 186         if period_type in (u'date_date', u'start_duration') and start_date is None:
 187             raise forms.ValidationError('That is field is required.')
 188         return start_date
 189
 190     def clean_duration(self):
 191         period_type = self.cleaned_data.get('period_type', None)
 192         duration = self.cleaned_data.get('duration', None)
 193         print 'duration=', duration
 194         if period_type in (u'duration', u'start_duration') and duration is None:
 195             raise forms.ValidationError('That is field is required.')
 196         return duration
 197
 198     def clean_end_date(self):
 199         period_type = self.cleaned_data.get('period_type', None)
 200         end_date = self.cleaned_data.get('end_date', None)
 201         if period_type in (u'date_date',) and end_date is None:
 202             raise forms.ValidationError('That is field is required.')
 203         return end_date
 204
 205     def clean_reference_latitude(self):
 206         lat = self.cleaned_data.get('reference_latitude', None)
 207         if lat is None:
 208             return None
 209         try:
 210             clean_lat = clean_latitude(lat)
 211         except LatLonFormatError, err:
 212             if len(err.args) > 1:
 213                 raise forms.ValidationError(err.args[0] % err.args[1:])
 214             else:
 215                 raise forms.ValidationError(*err.args)
 216         return lat # return the text
 217
 218     def clean_reference_longitude(self):
 219         lon = self.cleaned_data.get('reference_longitude', None)
 220         if lon is None:
 221             return None
 222         try:
 223             clean_lon = clean_longitude(lon)
 224         except LatLonFormatError, err:
 225             if len(err.args) > 1:
 226                 raise forms.ValidationError(err.args[0] % err.args[1:])
 227             else:
 228                 raise forms.ValidationError(*err.args)
 229         return lon # return the text
 230
 231     def clean(self):
 232         cleaned_data = self.cleaned_data
 233         period_type = self.cleaned_data.get('period_type', None)
 234         start_date = self.cleaned_data.get('start_date', None)
 235         end_date = self.cleaned_data.get('end_date', None)
 236         if period_type == u'date_date' and start_date is not None and end_date is not None:
 237             if start_date >= end_date:
 238                 self._errors["start_date"] = self.error_class(['Start date must be before end date.'])
 239         reference_latitude = self.cleaned_data.get('reference_latitude', None)
 240         reference_longitude = self.cleaned_data.get('reference_longitude', None)
 241         filter_close_to = self.cleaned_data.get('filter_close_to', None)
 242         filter_far_from = self.cleaned_data.get('filter_far_from', None)
 243         if filter_close_to is not None:
 244             if reference_latitude is None:
 245                 self._errors['reference_latitude'] = self.error_class([u'Field required when using close_to filter'])
 246             if reference_longitude is None:
 247                 self._errors['reference_longitude'] = self.error_class([u'Field required when using close_to filter'])
 248         if filter_far_from is not None:
 249             if reference_latitude is None:
 250                 self._errors['reference_latitude'] = self.error_class([u'Field required when using far_from filter'])
 251             if reference_longitude is None:
 252                 self._errors['reference_longitude'] = self.error_class([u'Field required when using far_from filter'])
 253         return cleaned_data
 254
 255     def get_cmdext(self):
 256         '''
 257         Must not be called unless is_valid
 258         Returns (command, extension)
 259         '''
 260         def escape_cmd_arg(txt):
 261             txt = unicode(txt)
 262             isclean = True
 263             for c in txt:
 264                 if c.upper() not in '+-./0123456789=@^_ABCDEFGHIJKLMNOPQRSTUVWXYZ':
 265                     isclean = False
 266                     break
 267             if isclean:
 268                 return txt
 269             result = u'"'
 270             for c in txt:
 271                 if c in u'"\\':
 272                     result += u'\\'
 273                 result += c
 274             return result + u'"'
 275
 276         def addparam(txt):
 277             command.append(escape_cmd_arg(txt))
 278
 279         data = self.cleaned_data
 280         format = data['format']
 281
 282         if format == u'track':
 283             command = [ u'show_targets_ships' ]
 284             addparam(u'--format=track')
 285             extension = u'kmz'
 286
 287         elif format == u'animation':
 288             command = [ u'show_targets_ships' ]
 289             addparam(u'--format=animation')
 290             extension = u'kmz'
 291
 292         elif format == u'csv':
 293             command = [ u'common' ]
 294             extension = u'csv'
 295         else:
 296             raise Http404(u'Invalid archive format')
 297
 298         date_start = data.get('start_date', None)
 299         if date_start:
 300             addparam(u'--start')
 301             addparam(date_start.strftime('%Y%m%d'))
 302
 303         date_end = data.get('end_date', None)
 304         if date_end:
 305             addparam(u'--end')
 306             addparam(date_end.strftime('%Y%m%d'))
 307
 308         duration = data.get('duration', None)
 309         if duration:
 310             addparam(u'--duration')
 311             addparam(duration)
 312
 313         grain = data['grain']
 314         addparam(u'--granularity')
 315         addparam(grain)
 316
 317         filter_area = data.get('filter_area', None)
 318         if filter_area:
 319             addparam(u'--filter-area')
 320             addparam(filter_area)
 321
 322         filter_sog_le = data.get('filter_sog_le', None)
 323         if filter_sog_le:
 324             addparam(u'--filter-sog-le')
 325             addparam(filter_sog_le)
 326
 327         filter_sog_ge = data.get('filter_sog_ge', None)
 328         if filter_sog_ge:
 329             addparam(u'--filter-sog-ge')
 330             addparam(filter_sog_ge)
 331
 332         filter_destination = data.get('filter_destination', None)
 333         if filter_destination:
 334             addparam(u'--filter-destination')
 335             addparam(filter_destination)
 336
 337         reference_latitude = self.cleaned_data.get('reference_latitude', None)
 338         reference_longitude = self.cleaned_data.get('reference_longitude', None)
 339         filter_close_to = self.cleaned_data.get('filter_close_to', None)
 340         filter_far_from = self.cleaned_data.get('filter_far_from', None)
 341         if filter_close_to and reference_latitude and reference_longitude:
 342             addparam(u'--filter-closeto')
 343             addparam(reference_latitude)
 344             addparam(reference_longitude)
 345             addparam(filter_close_to)
 346         if filter_far_from and reference_latitude and reference_longitude:
 347             addparam(u'--filter-farfrom')
 348             addparam(reference_latitude)
 349             addparam(reference_longitude)
 350             addparam(filter_far_from)
 351         return u' '.join(command), extension
 352
 353
 354 @http_authenticate(auth, 'ais')
 355 def vessel(request, strmmsi):
 356     mmsi = strmmsi_to_mmsi(strmmsi)
 357     vessel = get_object_or_404(Vessel, pk=mmsi)
 358     nmea = Nmea.new_from_lastinfo(strmmsi)
 359     #if not nmea.timestamp_1 and not nmea.timestamp_5:
 360     #    raise Http404
 361     is_hidden = mmsi in get_hidden_mmsi()
 362     hide_ship = is_hidden and not request.user.flag_allowhidden
 363     return render_to_response('vessel.html', {'nmea': nmea, 'is_hidden': is_hidden, 'hide_ship': hide_ship,'form': HistoryForm()}, RequestContext(request))
 364
 365
 366 class VesselManualInputForm(forms.Form):
 367     timestamp = forms.DateTimeField(label=u'When', help_text=u'When was the observation made in GMT. Use YYYY-MM-DD HH:MM:SS format')
 368     imo = forms.IntegerField(required=False, min_value=1000000, max_value=9999999)
 369     name = forms.CharField(max_length=20, required=False)
 370     callsign = forms.CharField(max_length=7, required=False)
 371     type = forms.TypedChoiceField(required=False, choices = [ kv for kv in SHIP_TYPES.iteritems() if 'reserved' not in kv[1].lower()], coerce=int, empty_value=0, initial=0)
 372     status = forms.TypedChoiceField(required=False, choices = [ kv for kv in STATUS_CODES.iteritems() if 'reserved' not in kv[1].lower()], coerce=int, empty_value=AIS_STATUS_NOT_AVAILABLE, initial=AIS_STATUS_NOT_AVAILABLE)
 373     sog = forms.FloatField(label='Speed', help_text='Over ground, in knots', required=False, min_value=0, max_value=AIS_SOG_MAX_SPEED/AIS_SOG_SCALE)
 374     latitude = forms.CharField(required=False)
 375     longitude = forms.CharField(required=False)
 376     cog = forms.FloatField(label='Course', help_text='Over ground', required=False, min_value=0.0, max_value=359.9)
 377     heading = forms.IntegerField(required=False, min_value=0, max_value=359)
 378
 379     @staticmethod
 380     def _clean_ais_charset(ustr):
 381         ustr = remove_decoration(ustr) # benign cleaning, but can increase size (œ->oe)
 382         ustr = ustr.upper() # benign cleaning
 383         str = clean_ais_charset(ustr.encode('ascii', 'replace'))
 384         if unicode(str) != ustr:
 385             raise forms.ValidationError('Invalid character: AIS alphabet is @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^- !"#$%&\'()*+,-./0123456789:;<=>?')
 386         return str
 387
 388     def clean_timestamp(self):
 389         data = self.cleaned_data['timestamp']
 390         if data is None:
 391             return None
 392         if data < datetime.utcnow() - timedelta(365):
 393             raise forms.ValidationError('Date is too much is the past.')
 394         if data > datetime.utcnow():
 395             raise forms.ValidationError('Date is be in the future. This form is only for observed results.')
 396         return datetime_to_timestamp(data)
 397
 398     def clean_imo(self):
 399         data = self.cleaned_data['imo']
 400         if data is None:
 401             return 0
 402         return data
 403
 404     def clean_name(self):
 405         name = self.cleaned_data['name']
 406         if name is None:
 407             return ''
 408         name = VesselManualInputForm._clean_ais_charset(name)
 409         if len(name)>20:
 410             raise forms.ValidationError('Ensure this value has at most 20 characters (it has %s).' % len(name))
 411         return name
 412
 413     def clean_callsign(self):
 414         callsign = self.cleaned_data['callsign']
 415         if callsign is None:
 416             return ''
 417         callsign = VesselManualInputForm._clean_ais_charset(callsign)
 418         if len(callsign)>7:
 419             raise forms.ValidationError('Ensure this value has at most 7 characters (it has %s).' % len(callsign))
 420         return callsign
 421
 422     def clean_sog(self):
 423         sog = self.cleaned_data['sog']
 424         if sog is None:
 425             return AIS_SOG_NOT_AVAILABLE
 426         return int(sog*AIS_SOG_SCALE)
 427
 428     def clean_latitude(self):
 429         #TODO: use ntools.clean_latitude
 430         data = self.cleaned_data['latitude']
 431         data = data.replace(u"''", u'"') # common mistake
 432         data = data.replace(u' ', u'') # remove spaces
 433         sides = u'SN'
 434         if not data:
 435             return AIS_LAT_NOT_AVAILABLE
 436         tmp, side = data[:-1], data[-1]
 437         if side == sides[0]:
 438             side = -1
 439         elif side == sides[1]:
 440             side = 1
 441         else:
 442             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 443         spl = tmp.split(u'°')
 444         if len(spl) == 1:
 445             raise forms.ValidationError(u'You need to use the ° character.')
 446         d, tmp = spl
 447         try:
 448             d = float(d)
 449         except ValueError:
 450             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 451         spl = tmp.split(u"'", 1)
 452         if len(spl) == 1:
 453             # no ' sign: ok only if there is nothing but the side after °
 454             # we don't accept seconds if there is no minutes:
 455             # It might be an entry mistake
 456             tmp = spl[0]
 457             if len(tmp) == 0:
 458                 m = s = 0
 459             else:
 460                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 461         else:
 462             m, tmp = spl
 463             try:
 464                 m = float(m)
 465             except ValueError:
 466                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 467             if len(tmp) == 0:
 468                 s = 0
 469             else:
 470                 if tmp[-1] != '"':
 471                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 472                 s = tmp[:-1]
 473                 try:
 474                     s = float(s)
 475                 except ValueError:
 476                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 477         data = side * ( d + m / 60 + s / 3600)
 478
 479         if data < -90 or data > 90:
 480             raise forms.ValidationError(u'%s in not in -90..90 range' % data)
 481         return int(data * AIS_LATLON_SCALE)
 482
 483     def clean_longitude(self):
 484         #TODO: use ntools.clean_latitude
 485         data = self.cleaned_data['longitude']
 486         data = data.replace(u"''", u'"') # common mistake
 487         data = data.replace(u' ', u'') # remove spaces
 488         sides = u'WE'
 489         if not data:
 490             return AIS_LON_NOT_AVAILABLE
 491         tmp, side = data[:-1], data[-1]
 492         if side == sides[0]:
 493             side = -1
 494         elif side == sides[1]:
 495             side = 1
 496         else:
 497             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 498         spl = tmp.split(u'°')
 499         if len(spl) == 1:
 500             raise forms.ValidationError(u'You need to use the ° character.')
 501         d, tmp = spl
 502         try:
 503             d = float(d)
 504         except ValueError:
 505             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 506         spl = tmp.split(u"'", 1)
 507         if len(spl) == 1:
 508             # no ' sign: ok only if there is nothing but the side after °
 509             # we don't accept seconds if there is no minutes:
 510             # It might be an entry mistake
 511             tmp = spl[0]
 512             if len(tmp) == 0:
 513                 m = s = 0
 514             else:
 515                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 516         else:
 517             m, tmp = spl
 518             try:
 519                 m = float(m)
 520             except ValueError:
 521                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 522             if len(tmp) == 0:
 523                 s = 0
 524             else:
 525                 if tmp[-1] != '"':
 526                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 527                 s = tmp[:-1]
 528                 try:
 529                     s = float(s)
 530                 except ValueError:
 531                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 532         data = side * ( d + m / 60 + s / 3600)
 533
 534         if data < -180 or data > 180:
 535             raise forms.ValidationError(u'%s in not in -180..180 range' % data)
 536         return int(data * AIS_LATLON_SCALE)
 537
 538     def clean_cog(self):
 539         data = self.cleaned_data['cog']
 540         if data is None:
 541             return AIS_COG_NOT_AVAILABLE
 542         return int(data * AIS_COG_SCALE)
 543
 544     def clean_heading(self):
 545         #raise forms.ValidationError(u'clean_heading called')
 546         data = self.cleaned_data['heading']
 547         if data is None:
 548             return AIS_NO_HEADING
 549         return data
 550
 551     def clean(self):
 552         cleaned_data = self.cleaned_data
 553         if (cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE ) ^ ( cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE):
 554             raise forms.ValidationError('It makes no sense to enter just a latitude or a longitude. Enter both or none.')
 555         if cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE:
 556             if cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) != AIS_STATUS_NOT_AVAILABLE:
 557                 raise forms.ValidationError('It makes no sense to enter a status without coordinates. Please enter latitute and longitude too.')
 558             if cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) != AIS_SOG_NOT_AVAILABLE:
 559                 raise forms.ValidationError('It makes no sense to enter a speed without coordinates. Please enter latitute and longitude too.')
 560             if cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) != AIS_COG_NOT_AVAILABLE:
 561                 raise forms.ValidationError('It makes no sense to enter a course without coordinates. Please enter latitute and longitude too.')
 562             if cleaned_data.get('heading', AIS_NO_HEADING) != AIS_NO_HEADING:
 563                 raise forms.ValidationError('It makes no sense to enter a heading without coordinates. Please enter latitute and longitude too.')
 564
 565         if cleaned_data.get('timestamp', None) \
 566         and cleaned_data.get('imo', 0) == 0 \
 567         and cleaned_data.get('name', '') == '' \
 568         and cleaned_data.get('callsign', '') == '' \
 569         and cleaned_data.get('type', 0) == 0 \
 570         and cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) == AIS_STATUS_NOT_AVAILABLE \
 571         and cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) == AIS_SOG_NOT_AVAILABLE \
 572         and cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE \
 573         and cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE \
 574         and cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) == AIS_COG_NOT_AVAILABLE \
 575         and cleaned_data.get('heading', AIS_NO_HEADING) == AIS_NO_HEADING:
 576             raise forms.ValidationError("You must enter some data, beside when.")
 577         return cleaned_data
 578
 579 @http_authenticate(auth, 'ais')
 580 def vessel_manual_input(request, strmmsi):
 581     strmmsi = strmmsi.encode('utf-8')
 582     nmea = Nmea.new_from_lastinfo(strmmsi)
 583     if request.method == 'POST' or request.META['QUERY_STRING']:
 584         form = VesselManualInputForm(request.REQUEST)
 585         if form.is_valid():
 586             data = form.cleaned_data
 587             source = 'U' +  struct.pack('<I', request.user.id)[0:3]
 588             result = u''
 589             if data['imo'] != 0 \
 590             or data['name'] != '' \
 591             or data['callsign'] != '' \
 592             or data['type'] != 0:
 593                 toto = (strmmsi, data['timestamp'], data['imo'], data['name'], data['callsign'], data['type'], 0,0,0,0, 0,0,24,60, 0, '', source)
 594                 result += 'UPDATING NMEA 5: '+repr(toto)+'<br>'
 595                 add_nmea5_partial(*toto)
 596             if data['status'] != AIS_STATUS_NOT_AVAILABLE \
 597             or data['sog'] != AIS_SOG_NOT_AVAILABLE \
 598             or data['latitude'] != AIS_LAT_NOT_AVAILABLE \
 599             or data['longitude'] != AIS_LON_NOT_AVAILABLE \
 600             or data['cog'] != AIS_COG_NOT_AVAILABLE \
 601             or data['heading'] != AIS_NO_HEADING:
 602                 toto = (strmmsi, data['timestamp'], data['status'], AIS_ROT_NOT_AVAILABLE, data['sog'], data['latitude'], data['longitude'], data['cog'], data['heading'], source)
 603                 result += 'UPDATING NMEA 1: '+repr(toto)+'<br>'
 604                 add_nmea1(*toto)
 605             return HttpResponse('Not fully implemented: '+repr(data) + '<br>' + result)
 606     else: # GET
 607         form = VesselManualInputForm()
 608     return render_to_response('vessel_manual_input.html', {'form': form, 'nmea': nmea}, RequestContext(request))
 609
 610
 611 @http_authenticate(auth, 'ais')
 612 def vessel_lastpos(request, strmmsi):
 613     display_options = 0
 614     if request.user.flag_allowhidden:
 615         display_options = KML_DISPLAYOPT_SHOWHIDDEN
 616     value = kml_to_kmz(format_fleet_lastpos([ strmmsi ], document_name=strmmsi, display_options=display_options).encode('utf-8'))
 617     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 618     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % strmmsi
 619     return response
 620
 621 @http_authenticate(auth, 'ais')
 622 def vessel_history(request, strmmsi):
 623     """
 624     TODO
 625     That view is called from Google Earth, so that it must support GET method.
 626     """
 627     initial = {}
 628     if request.method == 'POST':
 629         form = HistoryForm(request.POST, initial=initial)
 630         if form.is_valid():
 631             command, extension = form.get_cmdext()
 632
 633             if request.user.flag_allowhidden:
 634                 command += u' --show-hidden-ships'
 635             command += u' ' + strmmsi
 636
 637             job = Job()
 638             job.queue_time = datetime.utcnow()
 639             job.friendly_filename = u'%s.%s' % (strmmsi, extension)
 640             job.user = request.user
 641             job.command = command
 642             job.save()
 643             if not jobrunner.wakeup_daemon():
 644                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 645             return HttpResponseRedirect('/job/%s/download' % job.id)
 646     else: # GET
 647         form = HistoryForm(initial=initial)
 648     strmmsi = strmmsi.encode('utf-8')
 649     nmea = Nmea.new_from_lastinfo(strmmsi)
 650     return render_to_response('vessel_history.html', {'nmea': nmea, 'form':form}, RequestContext(request))
 651
 652
 653 @http_authenticate(auth, 'ais')
 654 def fleets(request):
 655     fleetusers = request.user.fleetuser_set.order_by('fleet')
 656     return render_to_response('fleets.html', {'fleetusers':fleetusers}, RequestContext(request))
 657
 658
 659 @http_authenticate(auth, 'ais')
 660 def fleet(request, fleetname):
 661     fleet = get_object_or_404(Fleet, name=fleetname)
 662     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 663         return HttpResponseForbidden('<h1>Forbidden</h1>')
 664     return render_to_response('fleet.html', {'fleet':fleet}, RequestContext(request))
 665
 666
 667 class FleetEditForm(forms.Form):
 668     name = forms.CharField(max_length=50)
 669     description = forms.CharField(widget=forms.Textarea)
 670
 671     def clean_name(self):
 672         name = self.cleaned_data['name']
 673         if name == u'add':
 674             raise forms.ValidationError("Sorry that name is reserved. Try another one.")
 675         if name != self.initial.get('name', None):
 676             if Fleet.objects.filter(name=name).count():
 677                 raise forms.ValidationError("Sorry that fleet name is already in use. Try another one.")
 678         return remove_decoration(name).replace(u' ', u'_')
 679
 680
 681 @http_authenticate(auth, 'ais')
 682 def fleet_edit(request, fleetname):
 683     initial = {}
 684     if fleetname is not None:
 685         fleet = get_object_or_404(Fleet, name=fleetname)
 686         if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 687             return HttpResponseForbidden('<h1>Forbidden</h1>')
 688
 689         initial['name'] = fleet.name
 690         initial['description'] = fleet.description
 691     else:
 692         fleet = Fleet()
 693
 694     if request.method == 'POST':
 695         form = FleetEditForm(request.POST, initial=initial)
 696         if form.is_valid():
 697             fleet.name = form.cleaned_data['name']
 698             fleet.description = form.cleaned_data['description']
 699             fleet.save()
 700             if not fleetname: # new one
 701                 fu = FleetUser()
 702                 fu.fleet = fleet
 703                 fu.user = request.user
 704                 fu.save()
 705             request.user.info('Fleet updated')
 706             return HttpResponseRedirect('/fleet/%s/' % fleet.name)
 707     else: # GET
 708         form = FleetEditForm(initial=initial)
 709     return render_to_response('fleet_edit.html', {'fleet':fleet, 'form':form}, RequestContext(request))
 710
 711
 712 @http_authenticate(auth, 'ais')
 713 def fleet_vessels(request, fleetname):
 714     fleet = get_object_or_404(Fleet, name=fleetname)
 715     if not FleetUser.objects.filter(fleet=fleet, user=request.user.id).all():
 716         return HttpResponseForbidden('<h1>Forbidden</h1>')
 717     vessels = fleet.vessel.all()
 718     return render_to_response('fleet_vessels.html', {'fleet':fleet, 'vessels': vessels}, RequestContext(request))
 719
 720
 721 @http_authenticate(auth, 'ais')
 722 def fleet_vessel_add(request, fleetname):
 723     fleet = get_object_or_404(Fleet, name=fleetname)
 724     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 725         return HttpResponseForbidden('<h1>Forbidden</h1>')
 726     strmmsi = request.REQUEST['mmsi']
 727     mmsi = strmmsi_to_mmsi(strmmsi)
 728     try:
 729         vessel = Vessel.objects.get(pk=mmsi)
 730     except Vessel.DoesNotExist:
 731         request.user.error('No such vessel')
 732     else:
 733         try:
 734             fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 735         except FleetVessel.DoesNotExist:
 736             FleetVessel(fleet=fleet, vessel=vessel).save()
 737             request.user.info(u'Vessel %s added to fleet %s.' % (vessel.name, fleetname))
 738         else:
 739             request.user.error('Vessel with MMSI %s is already in that fleet' % strmmsi)
 740     return HttpResponseRedirect('/fleet/%s/list' % fleetname)
 741
 742
 743 class FleetAddVessel(forms.Form):
 744     mmsi = forms.CharField(help_text=u'Enter one MMSI per line', required=False, widget=forms.Textarea)
 745     #name = forms.CharField(max_length=20, required=False)
 746     #imo = forms.IntegerField(required=False)
 747     #callsign = forms.CharField(max_length=7, required=False)
 748     #destination = forms.CharField(max_length=20, required=False)
 749     def clean(self):
 750         cleaned_data = self.cleaned_data
 751         for value in cleaned_data.values():
 752             if value:
 753                 return cleaned_data
 754         raise forms.ValidationError("You must enter at least one criteria")
 755
 756 @http_authenticate(auth, 'ais')
 757 def fleet_vessel_add2(request, fleetname):
 758     fleet = get_object_or_404(Fleet, name=fleetname)
 759     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 760         return HttpResponseForbidden('<h1>Forbidden</h1>')
 761     if request.method == 'POST' or request.META['QUERY_STRING']:
 762         form = FleetAddVessel(request.REQUEST)
 763         if form.is_valid():
 764             data = form.cleaned_data
 765             result = []
 766             a_strmmsi = request.REQUEST['mmsi']
 767             if a_strmmsi:
 768                 for strmmsi in a_strmmsi.split('\n'):
 769                     strmmsi = strmmsi.strip('\r')
 770                     if not strmmsi:
 771                         continue
 772                     try:
 773                         sqlmmsi = strmmsi_to_mmsi(strmmsi)
 774                     except AssertionError:
 775                         result.append('Invalid mmsi %s' % strmmsi)
 776                         continue
 777                     try:
 778                         vessel = Vessel.objects.get(pk=sqlmmsi)
 779                     except Vessel.DoesNotExist:
 780                         result.append('No vessel with MMSI '+strmmsi)
 781                         continue
 782                     try:
 783                         fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 784                         result.append('Vessel with MMSI %s is already in that fleet' % strmmsi)
 785                     except FleetVessel.DoesNotExist:
 786                         FleetVessel(fleet=fleet, vessel=vessel).save()
 787                         result.append('Vessel with MMSI %s added' % strmmsi)
 788
 789             return HttpResponse('<br>'.join(result))
 790     else: # GET
 791         form = FleetAddVessel()
 792
 793     return render_to_response('fleet_vessel_add.html', {'form': form, 'fleet': fleet}, RequestContext(request))
 794
 795
 796 @http_authenticate(auth, 'ais')
 797 def fleet_users(request, fleetname):
 798     fleet = get_object_or_404(Fleet, name=fleetname)
 799     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 800         return HttpResponseForbidden('<h1>Forbidden</h1>')
 801
 802     if request.method == 'POST' or request.META['QUERY_STRING']:
 803         action = request.REQUEST['action']
 804         userlogin = request.REQUEST['user']
 805         try:
 806             user = User.objects.get(login=userlogin)
 807         except User.DoesNotExist:
 808             request.user.error(u'User %s does not exist.' % userlogin)
 809         else:
 810             if action == u'add':
 811                 try:
 812                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 813                     request.user.error(u'User %s already has access.' % user.login)
 814                 except FleetUser.DoesNotExist:
 815                     FleetUser(fleet=fleet, user=user).save()
 816                     #TODO log
 817                     request.user.info(u'Granted access to user %s.' % user.login)
 818             elif action == u'revoke':
 819                 try:
 820                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 821                     fu.delete()
 822                     #TODO log
 823                     request.user.info(u'Revoked access to user %s.' % user.login)
 824                     if FleetUser.objects.filter(fleet=fleet).count() == 0:
 825                         fleet.delete()
 826                         request.user.info(u"Deleted fleet %s (no more users)." % fleet.name)
 827                         return HttpResponseRedirect('/fleet/')
 828                 except FleetUser.DoesNotExist:
 829                     request.user.error(u'User %s didn\'t have access.' % user.login)
 830             else:
 831                 request.user.error(u'Unknown action %s' % action)
 832
 833     fleetusers = fleet.fleetuser_set.order_by('user__name')
 834     otherusers = User.objects.exclude(id__in=[fu.user.id for fu in fleetusers]).order_by('name')
 835     return render_to_response('fleet_users.html', {'fleet':fleet, 'fleetusers': fleetusers, 'otherusers': otherusers}, RequestContext(request))
 836
 837
 838 @http_authenticate(auth, 'ais')
 839 def fleet_lastpos(request, fleetname):
 840     fleet = get_object_or_404(Fleet, name=fleetname)
 841     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 842         return HttpResponseForbidden('<h1>Forbidden</h1>')
 843     display_options = 0
 844     if request.user.flag_allowhidden:
 845         display_options = KML_DISPLAYOPT_SHOWHIDDEN
 846     fleet_uset = load_fleet_to_uset(fleet.id)
 847     value = kml_to_kmz(format_fleet_lastpos(fleet_uset, document_name=fleetname+' fleet', display_options=display_options).encode('utf-8'))
 848     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 849     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % fleetname
 850     return response
 851
 852 @http_authenticate(auth, 'ais')
 853 def fleet_history(request, fleetname):
 854     fleet = get_object_or_404(Fleet, name=fleetname)
 855     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 856         return HttpResponseForbidden('<h1>Forbidden</h1>')
 857     initial = {}
 858     if request.method == 'POST':
 859         form = HistoryForm(request.POST, initial=initial)
 860         if form.is_valid():
 861             command, extension = form.get_cmdext()
 862
 863             if request.user.flag_allowhidden:
 864                 command += u' --show-hidden-ships'
 865             command += u' @' + fleetname
 866
 867             job = Job()
 868             job.queue_time = datetime.utcnow()
 869             job.friendly_filename = u'%s.%s' % (fleetname, extension)
 870             job.user = request.user
 871             job.command = command
 872             job.save()
 873             if not jobrunner.wakeup_daemon():
 874                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 875             return HttpResponseRedirect('/job/%s/download' % job.id)
 876     else: # GET
 877         form = HistoryForm(initial=initial)
 878     return render_to_response('fleet_history.html', {'fleet': fleet, 'form':form}, RequestContext(request))
 879
 880
 881 @http_authenticate(auth, 'ais')
 882 def jobs_index(request):
 883     show_archive = request.REQUEST.has_key('archive')
 884     if show_archive:
 885         jobs = request.user.job_set.all()
 886     else:
 887         jobs = request.user.job_set.filter(archive_time__isnull=True)
 888
 889     response = render_to_response('jobs.html', {'jobs': jobs, 'queue_size': Job.queue_size(), 'archive': show_archive }, RequestContext(request))
 890     response['Refresh'] = 15
 891     return response
 892
 893 @http_authenticate(auth, 'ais')
 894 def job_detail(request, jobid):
 895     job = get_object_or_404(Job, id=jobid)
 896     if job.user != request.user:
 897         return HttpResponseForbidden('403 Forbidden')
 898     response = render_to_response('job.html', {'job': job, 'queue_size': Job.queue_size()}, RequestContext(request))
 899     if not job.finish_time:
 900         response['Refresh'] = 5
 901     elif not job.archive_time:
 902         # finished but not archived:
 903         response['Refresh'] = '0;url=https://' + request.get_host() + '/job/%s/download' % job.id
 904         # careful not to modify other unschronized columns
 905         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 906     return response
 907
 908 @http_authenticate(auth, 'ais')
 909 def job_get(request, jobid):
 910     job = get_object_or_404(Job, id=jobid)
 911     if job.user != request.user:
 912         return HttpResponseForbidden('403 Forbidden')
 913     total_wait = 0
 914     while not job.finish_time:
 915         sleep(1)
 916         total_wait += 1
 917         if total_wait > 15:
 918             request.user.info('Your query is slow. Please be patient.')
 919             if not job.notify:
 920                 # careful not to modify other unschronized columns
 921                 Job.objects.filter(id=jobid).update(notify = 'W') # Web
 922             return HttpResponseRedirect('/job/%s/' % job.id)
 923         job = get_object_or_404(Job, id=jobid)
 924
 925     if not job.archive_time:
 926         # careful not to modify other unschronized columns
 927         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 928
 929     if job.result:
 930         # Error occured
 931          return HttpResponseRedirect('/job/%s/' % job.id)
 932     extension = os.path.splitext(job.friendly_filename)[-1]
 933     return HttpResponseRedirect('/job_result/%s%s/%s' % (job.id, extension, job.friendly_filename))
 934
 935
 936 @http_authenticate(auth, 'ais')
 937 def job_log(request, jobid):
 938     job = get_object_or_404(Job, id=jobid)
 939     if job.user != request.user:
 940         return HttpResponseForbidden('403 Forbidden')
 941     log = u''
 942     try:
 943         log = file(jobrunner.RESULT_DIR+unicode(jobid)+'.log').read()
 944     except IOError, err:
 945         if err.errno != 2: # No such file
 946             raise
 947     return render_to_response('job_log.html', {'job': job, 'log': log}, RequestContext(request))
 948
 949
 950 @http_authenticate(auth, 'ais')
 951 def users(request):
 952     users = User.objects.order_by('name')
 953     for user in users:
 954         user.admin_ok = user.is_admin_by(request.user.id)
 955     if request.REQUEST.has_key('showtree'):
 956         local_users = {}
 957         for user in users:
 958             user.children = []
 959             local_users[user.id] = user
 960         for user in users:
 961             if user.father_id == None:
 962                 root = user
 963             else:
 964                 local_users[user.father_id].children.append(user)
 965         assert root
 966         return render_to_response('users_tree.html', {'root': root, 'auser': request.user.id}, RequestContext(request))
 967     else:
 968         return render_to_response('users.html', {'users':users}, RequestContext(request))
 969
 970 phone_re = re.compile('^\\+.+')
 971
 972 class UserEditForm(forms.Form):
 973     login = forms.RegexField(regex=r'^[a-zA-Z0-9_]+$', max_length=16,
 974         error_message ='Login must only contain letters, numbers and underscores')
 975     name = forms.CharField(max_length=50)
 976     email = forms.EmailField()
 977     phone = forms.RegexField(regex='\\+.+', max_length=20, required=False,
 978         error_message ='Phones must start with a \'+\'')
 979     def __init__(self, show_flag_showhidden, *args, **kargs):
 980         forms.Form.__init__(self, *args, **kargs)
 981         self.old_login = kargs['initial']['login']
 982         if show_flag_showhidden:
 983             self.fields['show_hidden_ships'] = forms.BooleanField(required=False)
 984
 985     def clean_login(self):
 986         new_login = self.cleaned_data['login']
 987         if new_login != self.old_login:
 988             if User.objects.filter(login=new_login).count():
 989                 raise forms.ValidationError("Sorry that login is already in use. Try another one.")
 990             if new_login == u'add':
 991                 raise forms.ValidationError("Sorry that login is reserved. Try another one.")
 992         return new_login
 993
 994 @http_authenticate(auth, 'ais')
 995 def user_detail(request, login):
 996     user = get_object_or_404(User, login=login)
 997     user.admin_ok = user.is_admin_by(request.user.id)
 998     return render_to_response('user_detail.html', {'auser': user}, RequestContext(request))
 999
1000 @http_authenticate(auth, 'ais')
1001 def user_edit(request, login):
1002     initial = {}
1003     if login:
1004         user = get_object_or_404(User, login=login)
1005         if not user.is_admin_by(request.user.id):
1006             return HttpResponseForbidden('403 Forbidden')
1007     else:
1008         user = User()
1009         user.father_id = request.user.id;
1010     initial['login'] = user.login
1011     initial['name'] = user.name
1012     initial['email'] = user.email
1013     initial['phone'] = user.phone
1014     initial['show_hidden_ships'] = user.flag_allowhidden
1015     if request.method == 'POST':
1016         form = UserEditForm(request.user.flag_allowhidden, request.POST, initial=initial)
1017         if form.is_valid():
1018             user.login = form.cleaned_data['login']
1019             user.name = form.cleaned_data['name']
1020             user.email = form.cleaned_data['email']
1021             user.phone = form.cleaned_data['phone']
1022             if request.user.flag_allowhidden:
1023                 user.flag_allowhidden = form.cleaned_data['show_hidden_ships']
1024             user.save()
1025             user.check_sandbox_access(request.user)
1026             return HttpResponseRedirect('/user/')
1027     else: # GET
1028         form = UserEditForm(request.user.flag_allowhidden, initial=initial)
1029
1030     return render_to_response('user_edit.html', {'form':form, 'auser': user}, RequestContext(request))
1031
1032
1033 class ChangePasswordForm(forms.Form):
1034     new_password = forms.CharField(max_length=16, widget=forms.PasswordInput())
1035     new_password_check = forms.CharField(max_length=16, widget=forms.PasswordInput())
1036
1037     def clean_generic_password(self, field_name):
1038         password = self.cleaned_data[field_name]
1039         try:
1040             crack.FascistCheck(password)
1041         except ValueError, err:
1042             raise forms.ValidationError(err.message)
1043         return password
1044
1045     def clean_new_password(self):
1046         return self.clean_generic_password('new_password')
1047
1048     def clean_new_password_check(self):
1049         return self.clean_generic_password('new_password_check')
1050
1051     def clean(self):
1052         cleaned_data = self.cleaned_data
1053         pass1 = cleaned_data.get('new_password')
1054         pass2 = cleaned_data.get('new_password_check')
1055         if pass1 != pass2 and pass2:
1056             self._errors['new_password_check'] = forms.util.ErrorList(['Passwords must match'])
1057             del cleaned_data['new_password_check'] # FIXME
1058         return cleaned_data
1059
1060
1061 @http_authenticate(auth, 'ais')
1062 def user_change_password(request, login):
1063     user = get_object_or_404(User, login=login)
1064     if not user.is_admin_by(request.user.id):
1065         return HttpResponseForbidden('403 Forbidden')
1066     if request.method == 'POST':
1067         form = ChangePasswordForm(request.POST)
1068         if form.is_valid():
1069             user.set_password(form.cleaned_data['new_password'])
1070             user.save()
1071             return HttpResponseRedirect('/user/')
1072     else: # GET
1073         form = ChangePasswordForm()
1074     return render_to_response('user_change_password.html', {'form':form, 'auser':user}, RequestContext(request))
1075
1076
1077 @http_authenticate(auth, 'ais')
1078 def user_delete(request, login):
1079     user = get_object_or_404(User, login=login)
1080     if not user.is_admin_by(request.user.id):
1081         return HttpResponseForbidden('403 Forbidden')
1082     if request.REQUEST.get('confirm', None):
1083         user.delete()
1084         return HttpResponseRedirect('/user/')
1085     return render_to_response('user_delete.html', {'form':None, 'auser':user}, RequestContext(request))
1086
1087
1088 def logout(request):
1089     # TODO
1090     return HttpResponse('Not implemented')
1091     #response = render_to_response('logout.html', {}, RequestContext(request))
1092     #return response
1093
1094 periods = ({
1095     'name_tiny': '2h',
1096     'name_long': '2 hours',
1097     'seconds': 2*60*60
1098     }, {
1099     'name_tiny': '6h',
1100     'name_long': '6 hours',
1101     'seconds': 6*60*60,
1102     'default': True,
1103     }, {
1104     'name_tiny': '2d',
1105     'name_long': '2 days',
1106     'seconds': 2*24*60*60
1107     }, {
1108     'name_tiny': '14d',
1109     'name_long': '2 weeks',
1110     'seconds': 14*24*60*60
1111     }, {
1112     'name_tiny': '90d',
1113     'name_long': '3 monthes',
1114     'seconds': 90*24*60*60
1115     }, {
1116     'name_tiny': '180d',
1117     'name_long': '6 monthes',
1118     'seconds': 180*24*60*60
1119     })
1120
1121 class StatsSelectorForm(forms.Form):
1122     peers = forms.ChoiceField(choices=[('', 'All')] + [(id4,source['name']) for id4,source in peers_get_config().iteritems()])
1123     types = forms.ChoiceField(choices=[('', 'All'), ('bytes', 'Bandwidth'), ('counts', "Packet'izer")], initial='counts')
1124     periods = forms.ChoiceField(choices=[(period['name_tiny'], period['name_long']) for period in periods] + [('', 'All')], initial='2d')
1125
1126 @http_authenticate(auth, 'ais')
1127 def sources_index(request):
1128     ACTIVE_MINUTES = 5
1129     peers_config = peers_get_config()
1130     peers_display = []
1131     for id4, peer in peers_config.iteritems():
1132         peer['id4'] = id4
1133         peer['id2'] = id4[2:]
1134         peer['active'] = is_id4_active(id4, 60*ACTIVE_MINUTES)
1135         peers_display.append(peer)
1136
1137     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1138
1139     form = StatsSelectorForm()
1140
1141     response = render_to_response('sources_index.html', {'sources':peers_display, 'active_minutes': ACTIVE_MINUTES, 'form': form}, RequestContext(request))
1142     response['Refresh'] = 60*ACTIVE_MINUTES
1143     return response
1144
1145
1146 @http_authenticate(auth, 'ais')
1147 def sources_stats(request):
1148     filter_peers = request.REQUEST.get('peers', None)
1149     if filter_peers:
1150         filter_peers = filter_peers.split(u',')
1151
1152     peers_config = peers_get_config()
1153     peers_display = []
1154
1155     for id4, peer in peers_config.iteritems():
1156         if filter_peers:
1157             if unicode(id4) not in filter_peers:
1158                 continue
1159         peer['id4'] = id4
1160         peers_display.append(peer)
1161
1162     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1163
1164     filter_types = request.REQUEST.get('types', None)
1165     if filter_types:
1166         filter_types = filter_types.split(u',')
1167     else:
1168         filter_types = [ 'bytes', 'counts' ]
1169     logging.error('filter_types=%s', filter_types)
1170
1171     filter_periods = request.REQUEST.get('periods', None)
1172     if filter_periods:
1173         display_periods = []
1174         for period_name in filter_periods.split(u','):
1175             for period in periods:
1176                 if period['name_tiny'] == period_name:
1177                     display_periods.append(period)
1178     else:
1179         display_periods = periods
1180     #logging.error('display_periods=%s', display_periods)
1181
1182
1183     now = int(get_timestamp())
1184     for config in peers_display:
1185         id4 = config['id4']
1186         for period in periods:
1187             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-bytes.png'), \
1188                 '--lazy', \
1189                 '-l', '0', \
1190                 '--title', config['name'] + ' - Bandwidth usage - ' + period['name_long'], \
1191                 '--start', '%d' % (now - period['seconds']), \
1192                 '--end', '%d' % now, \
1193                 '--vertical-label', 'bps', \
1194                 'DEF:bytes=%s:bytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1195                 'DEF:rawbytes=%s:rawbytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1196                 'CDEF:bits=bytes,8,*', \
1197                 'CDEF:rawbits=rawbytes,8,*', \
1198                 'LINE:bits#00FF00:IP payload', \
1199                 'LINE:rawbits#FF0000:IP with headers'
1200             rrdtool.graph(*args)
1201             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-counts.png'), \
1202                 '--lazy', \
1203                 '-l', '0', \
1204                 '--title', config['name'] + ' - Packet\'izer stats - ' + period['name_long'], \
1205                 '--start', '%d' % (now-period['seconds']), \
1206                 '--end', '%d' % now, \
1207                 '--vertical-label', 'Hz', \
1208                 'DEF:packets=%s:packets:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1209                 'DEF:lines=%s:lines:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1210                 'LINE:packets#FF0000:input packets', \
1211                 'LINE:lines#00FF00:AIVDM lines'
1212             rrdtool.graph(*args)
1213     return render_to_response('sources.html', {'sources':peers_display, 'show_bytes': 'bytes' in filter_types,  'show_counts': 'counts' in filter_types, 'periods': display_periods}, RequestContext(request))
1214
1215
1216 @http_authenticate(auth, 'ais')
1217 def news(request, page):
1218     NEWS_PER_PAGE = 5
1219     if page:
1220         page = int(page)
1221     else:
1222         page = 1
1223     npages = int((News.objects.count() + NEWS_PER_PAGE - 1) // NEWS_PER_PAGE)
1224     news = News.objects.order_by('-created')[(page - 1) * NEWS_PER_PAGE : page * NEWS_PER_PAGE]
1225     return render_to_response('news.html', {'news':news, 'page': page, 'npages': npages}, RequestContext(request))
1226
1227 @http_authenticate(auth, 'ais')
1228 def news_atom(request):
1229     from django.db import connection
1230
1231     news = News.objects.order_by('-created')
1232
1233     cursor = connection.cursor()
1234     cursor.execute("SELECT MAX(updated) FROM news")
1235     row = cursor.fetchone()
1236     last_update = row[0]
1237
1238     return render_to_response('news.atom', {'news':news, 'last_update':last_update}, RequestContext(request), mimetype='application/atom+xml')