bin/djais/views.py

   1 # -*- coding: utf-8 -*-
   2
   3 #from __future__ import division
   4
   5 import os
   6 from datetime import *
   7 import re
   8 from time import time as get_timestamp
   9 import logging
  10 import crack
  11 import struct
  12 import operator
  13 import rrdtool
  14 import csv
  15 from StringIO import StringIO
  16 from django.http import *
  17 from django.template import loader, RequestContext
  18 from django import forms
  19 from django.shortcuts import render_to_response, get_object_or_404
  20 from django.db import IntegrityError
  21
  22 from decoratedstr import remove_decoration
  23
  24 from ais.djais.basicauth import http_authenticate
  25 from ais.djais.models import *
  26 from ais.show_targets_ships import *
  27 from ais.common import COUNTRIES_MID, Nmea, NmeaFeeder, strmmsi_to_mmsi, 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
  28 from ais.ntools import datetime_to_timestamp, clean_ais_charset
  29 from ais.inputs.common import is_id4_active
  30 from ais.inputs.stats import STATS_DIR
  31 from ais.inputs.config import peers_get_config
  32
  33 def auth(username, raw_password):
  34     try:
  35         user = User.objects.get(login=username)
  36     except User.DoesNotExist:
  37         return None
  38     if not user.check_password(raw_password):
  39         return None
  40     user.update_access_datetime()
  41     return user
  42
  43
  44 @http_authenticate(auth, 'ais')
  45 def index(request):
  46     news = News.objects.order_by('-created')[:5]
  47     return render_to_response('index.html', {'news':news}, RequestContext(request))
  48
  49
  50 class VesselSearchForm(forms.Form):
  51     def country_choices():
  52         choices = {}
  53         for mid, countryname in COUNTRIES_MID.iteritems():
  54             if choices.has_key(countryname):
  55                 choices[countryname] += u','+unicode(mid)
  56             else:
  57                 choices[countryname] = unicode(mid)
  58         choices = [ (countryname, mids) for mids, countryname in choices.iteritems() ]
  59         choices = sorted(choices, key=operator.itemgetter(1))
  60         return [(u'', u'Any')] + choices
  61
  62     mmsi = forms.CharField(max_length=9, required=False)
  63     name = forms.CharField(max_length=20, required=False)
  64     imo = forms.IntegerField(required=False)
  65     callsign = forms.CharField(max_length=7, required=False)
  66     flag = forms.ChoiceField(choices=country_choices(), required=False)
  67     destination = forms.CharField(max_length=20, required=False)
  68
  69
  70     def clean(self):
  71         cleaned_data = self.cleaned_data
  72         for value in cleaned_data.values():
  73             if value:
  74                 return cleaned_data
  75         raise forms.ValidationError("You must enter at least one criteria")
  76
  77     def clean_mmsi(self):
  78         mmsi = self.cleaned_data['mmsi']
  79         if mmsi:
  80             try:
  81                 mmsi = strmmsi_to_mmsi(mmsi)
  82             except AssertionError:
  83                 raise forms.ValidationError("Invalid MMSI")
  84         return mmsi
  85
  86
  87 @http_authenticate(auth, 'ais')
  88 def vessel_search(request):
  89     if request.method == 'POST' or request.META['QUERY_STRING']:
  90         form = VesselSearchForm(request.REQUEST)
  91         if form.is_valid():
  92             data = form.cleaned_data
  93             vessels = Vessel.objects
  94             if data['mmsi']:
  95                 vessels = vessels.filter(mmsi=data['mmsi'])
  96             if data['name']:
  97                 vessels = vessels.filter(name__contains=data['name'].upper())
  98             if data['imo']:
  99                 vessels = vessels.filter(imo=data['imo'])
 100             if data['callsign']:
 101                 vessels = vessels.filter(callsign__contains=data['callsign'].upper())
 102             if data['destination']:
 103                 vessels = vessels.filter(destination__contains=data['destination'].upper())
 104             if data['flag']:
 105                 vessels = vessels.extra(where=['mmsi/1000000 IN (%s) ' % data['flag']])
 106             return render_to_response('vessels.html', {'vessels': vessels}, RequestContext(request))
 107     else: # GET
 108         form = VesselSearchForm()
 109
 110     return render_to_response('vessel_index.html', {'form': form}, RequestContext(request))
 111
 112 @http_authenticate(auth, 'ais')
 113 def vessel(request, strmmsi):
 114     mmsi = strmmsi_to_mmsi(strmmsi)
 115     vessel = get_object_or_404(Vessel, pk=mmsi)
 116     nmea = Nmea.new_from_lastinfo(strmmsi)
 117     #if not nmea.timestamp_1 and not nmea.timestamp_5:
 118     #    raise Http404
 119     return render_to_response('vessel.html', {'nmea': nmea}, RequestContext(request))
 120
 121
 122 class VesselManualInputForm(forms.Form):
 123     timestamp = forms.DateTimeField(label=u'When', help_text=u'When was the observation made in GMT. Use YYYY-MM-DD HH:MM:SS format')
 124     imo = forms.IntegerField(required=False, min_value=1000000, max_value=9999999)
 125     name = forms.CharField(max_length=20, required=False)
 126     callsign = forms.CharField(max_length=7, required=False)
 127     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)
 128     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)
 129     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)
 130     latitude = forms.CharField(required=False)
 131     longitude = forms.CharField(required=False)
 132     cog = forms.FloatField(label='Course', help_text='Over ground', required=False, min_value=0.0, max_value=359.9)
 133     heading = forms.IntegerField(required=False, min_value=0, max_value=359)
 134
 135     @staticmethod
 136     def _clean_ais_charset(ustr):
 137         ustr = remove_decoration(ustr) # benign cleaning, but can increase size (œ->oe)
 138         ustr = ustr.upper() # benign cleaning
 139         str = clean_ais_charset(ustr.encode('ascii', 'replace'))
 140         if unicode(str) != ustr:
 141             raise forms.ValidationError('Invalid character: AIS alphabet is @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^- !"#$%&\'()*+,-./0123456789:;<=>?')
 142         return str
 143
 144     def clean_timestamp(self):
 145         data = self.cleaned_data['timestamp']
 146         if data is None:
 147             return None
 148         if data < datetime.utcnow() - timedelta(365):
 149             raise forms.ValidationError('Date is too much is the past.')
 150         if data > datetime.utcnow():
 151             raise forms.ValidationError('Date is be in the future. This form is only for observed results.')
 152         return datetime_to_timestamp(data)
 153
 154     def clean_imo(self):
 155         data = self.cleaned_data['imo']
 156         if data is None:
 157             return 0
 158         return data
 159
 160     def clean_name(self):
 161         name = self.cleaned_data['name']
 162         if name is None:
 163             return ''
 164         name = VesselManualInputForm._clean_ais_charset(name)
 165         if len(name)>20:
 166             raise forms.ValidationError('Ensure this value has at most 20 characters (it has %s).' % len(name))
 167         return name
 168
 169     def clean_callsign(self):
 170         callsign = self.cleaned_data['callsign']
 171         if callsign is None:
 172             return ''
 173         callsign = VesselManualInputForm._clean_ais_charset(callsign)
 174         if len(callsign)>7:
 175             raise forms.ValidationError('Ensure this value has at most 7 characters (it has %s).' % len(callsign))
 176         return callsign
 177
 178     def clean_sog(self):
 179         sog = self.cleaned_data['sog']
 180         if sog is None:
 181             return AIS_SOG_NOT_AVAILABLE
 182         return int(sog*AIS_SOG_SCALE)
 183
 184     def clean_latitude(self):
 185         data = self.cleaned_data['latitude']
 186         data = data.replace(u"''", u'"') # commong mistake
 187         data = data.replace(u' ', u'') # remove spaces
 188         sides = u'SN'
 189         if not data:
 190             return AIS_LAT_NOT_AVAILABLE
 191         tmp, side = data[:-1], data[-1]
 192         if side == sides[0]:
 193             side = -1
 194         elif side == sides[1]:
 195             side = 1
 196         else:
 197             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 198         spl = tmp.split(u'°')
 199         if len(spl) == 1:
 200             raise forms.ValidationError(u'You need to use the ° character.')
 201         d, tmp = spl
 202         try:
 203             d = float(d)
 204         except ValueError:
 205             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 206         spl = tmp.split(u"'", 1)
 207         if len(spl) == 1:
 208             # no ' sign: ok only if there is nothing but the side after °
 209             # we don't accept seconds if there is no minutes:
 210             # It might be an entry mistake
 211             tmp = spl[0]
 212             if len(tmp) == 0:
 213                 m = s = 0
 214             else:
 215                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 216         else:
 217             m, tmp = spl
 218             try:
 219                 m = float(m)
 220             except ValueError:
 221                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 222             if len(tmp) == 0:
 223                 s = 0
 224             else:
 225                 if tmp[-1] != '"':
 226                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 227                 s = tmp[:-1]
 228                 try:
 229                     s = float(s)
 230                 except ValueError:
 231                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 232         data = side * ( d + m / 60 + s / 3600)
 233
 234         if data < -90 or data > 90:
 235             raise forms.ValidationError(u'%s in not in -90..90 range' % data)
 236         return int(data * AIS_LATLON_SCALE)
 237
 238     def clean_longitude(self):
 239         data = self.cleaned_data['longitude']
 240         data = data.replace(u"''", u'"') # commong mistake
 241         data = data.replace(u' ', u'') # remove spaces
 242         sides = u'WE'
 243         if not data:
 244             return AIS_LON_NOT_AVAILABLE
 245         tmp, side = data[:-1], data[-1]
 246         if side == sides[0]:
 247             side = -1
 248         elif side == sides[1]:
 249             side = 1
 250         else:
 251             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 252         spl = tmp.split(u'°')
 253         if len(spl) == 1:
 254             raise forms.ValidationError(u'You need to use the ° character.')
 255         d, tmp = spl
 256         try:
 257             d = float(d)
 258         except ValueError:
 259             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 260         spl = tmp.split(u"'", 1)
 261         if len(spl) == 1:
 262             # no ' sign: ok only if there is nothing but the side after °
 263             # we don't accept seconds if there is no minutes:
 264             # It might be an entry mistake
 265             tmp = spl[0]
 266             if len(tmp) == 0:
 267                 m = s = 0
 268             else:
 269                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 270         else:
 271             m, tmp = spl
 272             try:
 273                 m = float(m)
 274             except ValueError:
 275                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 276             if len(tmp) == 0:
 277                 s = 0
 278             else:
 279                 if tmp[-1] != '"':
 280                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 281                 s = tmp[:-1]
 282                 try:
 283                     s = float(s)
 284                 except ValueError:
 285                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 286         data = side * ( d + m / 60 + s / 3600)
 287
 288         if data < -180 or data > 180:
 289             raise forms.ValidationError(u'%s in not in -180..180 range' % data)
 290         return int(data * AIS_LATLON_SCALE)
 291
 292     def clean_cog(self):
 293         data = self.cleaned_data['cog']
 294         if data is None:
 295             return AIS_COG_NOT_AVAILABLE
 296         return int(data * AIS_COG_SCALE)
 297
 298     def clean_heading(self):
 299         #raise forms.ValidationError(u'clean_heading called')
 300         data = self.cleaned_data['heading']
 301         if data is None:
 302             return AIS_NO_HEADING
 303         return data
 304
 305     def clean(self):
 306         cleaned_data = self.cleaned_data
 307         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):
 308             raise forms.ValidationError('It makes no sense to enter just a latitude or a longitude. Enter both or none.')
 309         if cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE:
 310             if cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) != AIS_STATUS_NOT_AVAILABLE:
 311                 raise forms.ValidationError('It makes no sense to enter a status without coordinates. Please enter latitute and longitude too.')
 312             if cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) != AIS_SOG_NOT_AVAILABLE:
 313                 raise forms.ValidationError('It makes no sense to enter a speed without coordinates. Please enter latitute and longitude too.')
 314             if cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) != AIS_COG_NOT_AVAILABLE:
 315                 raise forms.ValidationError('It makes no sense to enter a course without coordinates. Please enter latitute and longitude too.')
 316             if cleaned_data.get('heading', AIS_NO_HEADING) != AIS_NO_HEADING:
 317                 raise forms.ValidationError('It makes no sense to enter a heading without coordinates. Please enter latitute and longitude too.')
 318
 319         if cleaned_data.get('timestamp', None) \
 320         and cleaned_data.get('imo', 0) == 0 \
 321         and cleaned_data.get('name', '') == '' \
 322         and cleaned_data.get('callsign', '') == '' \
 323         and cleaned_data.get('type', 0) == 0 \
 324         and cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) == AIS_STATUS_NOT_AVAILABLE \
 325         and cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) == AIS_SOG_NOT_AVAILABLE \
 326         and cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE \
 327         and cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE \
 328         and cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) == AIS_COG_NOT_AVAILABLE \
 329         and cleaned_data.get('heading', AIS_NO_HEADING) == AIS_NO_HEADING:
 330             raise forms.ValidationError("You must enter some data, beside when.")
 331         return cleaned_data
 332
 333 @http_authenticate(auth, 'ais')
 334 def vessel_manual_input(request, strmmsi):
 335     strmmsi = strmmsi.encode('utf-8')
 336     nmea = Nmea.new_from_lastinfo(strmmsi)
 337     if request.method == 'POST' or request.META['QUERY_STRING']:
 338         form = VesselManualInputForm(request.REQUEST)
 339         if form.is_valid():
 340             data = form.cleaned_data
 341             source = 'U' +  struct.pack('<I', request.user.id)[0:3]
 342             result = u''
 343             if data['imo'] != 0 \
 344             or data['name'] != '' \
 345             or data['callsign'] != '' \
 346             or data['type'] != 0:
 347                 toto = (strmmsi, data['timestamp'], data['imo'], data['name'], data['callsign'], data['type'], 0,0,0,0, 0,0,24,60, 0, '', source)
 348                 result += 'UPDATING NMEA 5: '+repr(toto)+'<br>'
 349                 add_nmea5_partial(*toto)
 350             if data['status'] != AIS_STATUS_NOT_AVAILABLE \
 351             or data['sog'] != AIS_SOG_NOT_AVAILABLE \
 352             or data['latitude'] != AIS_LAT_NOT_AVAILABLE \
 353             or data['longitude'] != AIS_LON_NOT_AVAILABLE \
 354             or data['cog'] != AIS_COG_NOT_AVAILABLE \
 355             or data['heading'] != AIS_NO_HEADING:
 356
 357                 toto = (strmmsi, data['timestamp'], data['status'], AIS_ROT_NOT_AVAILABLE, data['sog'], data['latitude'], data['longitude'], data['cog'], data['heading'], source)
 358                 result += 'UPDATING NMEA 1: '+repr(toto)+'<br>'
 359                 add_nmea1(*toto)
 360             return HttpResponse('Not fully implemented: '+repr(data) + '<br>' + result)
 361     else: # GET
 362         form = VesselManualInputForm()
 363     return render_to_response('vessel_manual_input.html', {'form': form, 'nmea': nmea}, RequestContext(request))
 364
 365
 366 @http_authenticate(auth, 'ais')
 367 def vessel_history(request, strmmsi, format=None):
 368     """
 369     That view is called from Google Earth, so that it must support GET method.
 370     """
 371     ndays = request.REQUEST.get('ndays', None)
 372     if ndays is not None:
 373         try:
 374             ndays = int(ndays)
 375         except ValueError:
 376             ndays = 90
 377         period = ndays * 86400
 378     else:
 379         period = request.REQUEST.get('period', u'1')
 380         try:
 381             period = int(period)
 382         except ValueError:
 383             period = 1
 384         period_type = request.REQUEST.get('period_type', u'86400')
 385         try:
 386             period_type = int(period_type)
 387         except ValueError:
 388             period_type = 86400
 389
 390     grain = request.REQUEST.get('grain', 1)
 391     try:
 392         grain = int(grain)
 393     except ValueError:
 394         grain = 1
 395     grain_type = request.REQUEST.get('grain_type', 3600)
 396     try:
 397         grain_type = int(grain_type)
 398     except ValueError:
 399         grain_type = 3600
 400
 401     date_end = datetime.utcnow()
 402     date_start = date_end - timedelta(0,period*period_type)
 403     print date_start
 404     nmea_iterator = NmeaFeeder(strmmsi, date_end, date_start, granularity=grain*grain_type)
 405
 406     if format is None:
 407         format = request.REQUEST.get('format', u'track')
 408     if format == u'track':
 409         value = kml_to_kmz(format_boat_track(nmea_iterator))
 410         response = HttpResponse(value, mimetype="application/vnd.google-earth.kml")
 411         response['Content-Disposition'] = 'attachment; filename=%s.kmz' % strmmsi
 412         return response
 413
 414     elif format == u'animation':
 415         value = kml_to_kmz(format_boat_intime(nmea_iterator))
 416         response = HttpResponse(value, mimetype="application/vnd.google-earth.kml")
 417         response['Content-Disposition'] = 'attachment; filename=%s.kmz' % strmmsi
 418         return response
 419
 420     elif format == u'csv':
 421         value = StringIO()
 422         output = csv.writer(value)
 423         output.writerow(Nmea.csv_headers)
 424         for nmea in nmea_iterator:
 425             output.writerow(nmea.get_dump_row())
 426         response = HttpResponse(value.getvalue(), mimetype='text/csv; charset="UTF-8"')
 427         response['Content-Disposition'] = 'attachment; filename=%s.csv' % strmmsi
 428         return response
 429     else:
 430         request.user.error(u'Invalid archive format')
 431         return HttpResponseRedirect('/vessel/%s/' % strmmsi)
 432
 433
 434 @http_authenticate(auth, 'ais')
 435 def fleets(request):
 436     fleetusers = request.user.fleetuser_set.order_by('fleet')
 437     return render_to_response('fleets.html', {'fleetusers':fleetusers}, RequestContext(request))
 438
 439
 440 @http_authenticate(auth, 'ais')
 441 def fleet(request, fleetname):
 442     fleet = get_object_or_404(Fleet, name=fleetname)
 443     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 444         return HttpResponseForbidden('<h1>Forbidden</h1>')
 445     return render_to_response('fleet.html', {'fleet':fleet}, RequestContext(request))
 446
 447
 448 class FleetEditForm(forms.Form):
 449     name = forms.CharField(max_length=50)
 450     description = forms.CharField(widget=forms.Textarea)
 451
 452     def clean_name(self):
 453         name = self.cleaned_data['name']
 454         if name == u'add':
 455             raise forms.ValidationError("Sorry that name is reserved. Try another one.")
 456         if name != self.initial.get('name', None):
 457             if Fleet.objects.filter(name=name).count():
 458                 raise forms.ValidationError("Sorry that fleet name is already in use. Try another one.")
 459         return remove_decoration(name).replace(u' ', u'_')
 460
 461
 462 @http_authenticate(auth, 'ais')
 463 def fleet_edit(request, fleetname):
 464     initial = {}
 465     if fleetname is not None:
 466         fleet = get_object_or_404(Fleet, name=fleetname)
 467         if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 468             return HttpResponseForbidden('<h1>Forbidden</h1>')
 469
 470         initial['name'] = fleet.name
 471         initial['description'] = fleet.description
 472     else:
 473         fleet = Fleet()
 474
 475     if request.method == 'POST':
 476         form = FleetEditForm(request.POST, initial=initial)
 477         if form.is_valid():
 478             fleet.name = form.cleaned_data['name']
 479             fleet.description = form.cleaned_data['description']
 480             fleet.save()
 481             if not fleetname: # new one
 482                 fu = FleetUser()
 483                 fu.fleet = fleet
 484                 fu.user = request.user
 485                 fu.save()
 486             request.user.info('Fleet updated')
 487             return HttpResponseRedirect('/fleet/%s/' % fleet.name)
 488     else: # GET
 489         form = FleetEditForm(initial=initial)
 490     return render_to_response('fleet_edit.html', {'fleet':fleet, 'form':form}, RequestContext(request))
 491
 492
 493 @http_authenticate(auth, 'ais')
 494 def fleet_vessels(request, fleetname):
 495     fleet = get_object_or_404(Fleet, name=fleetname)
 496     if not FleetUser.objects.filter(fleet=fleet, user=request.user.id).all():
 497         return HttpResponseForbidden('<h1>Forbidden</h1>')
 498     vessels = fleet.vessel.all()
 499     return render_to_response('fleet_vessels.html', {'fleet':fleet, 'vessels': vessels}, RequestContext(request))
 500
 501
 502 @http_authenticate(auth, 'ais')
 503 def fleet_vessel_add(request, fleetname):
 504     fleet = get_object_or_404(Fleet, name=fleetname)
 505     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 506         return HttpResponseForbidden('<h1>Forbidden</h1>')
 507     strmmsi = request.REQUEST['mmsi']
 508     mmsi = strmmsi_to_mmsi(strmmsi)
 509     try:
 510         vessel = Vessel.objects.get(pk=mmsi)
 511     except Vessel.DoesNotExist:
 512         request.user.error('No such vessel')
 513     else:
 514         try:
 515             fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 516         except FleetVessel.DoesNotExist:
 517             FleetVessel(fleet=fleet, vessel=vessel).save()
 518             request.user.info(u'Vessel %s added to fleet %s.' % (vessel.name, fleetname))
 519         else:
 520             request.user.error('Vessel with MMSI %s is already in that fleet' % strmmsi)
 521     return HttpResponseRedirect('/fleet/%s/list' % fleetname)
 522
 523
 524 class FleetAddVessel(forms.Form):
 525     mmsi = forms.CharField(help_text=u'Enter one MMSI per line', required=False, widget=forms.Textarea)
 526     #name = forms.CharField(max_length=20, required=False)
 527     #imo = forms.IntegerField(required=False)
 528     #callsign = forms.CharField(max_length=7, required=False)
 529     #destination = forms.CharField(max_length=20, required=False)
 530     def clean(self):
 531         cleaned_data = self.cleaned_data
 532         for value in cleaned_data.values():
 533             if value:
 534                 return cleaned_data
 535         raise forms.ValidationError("You must enter at least one criteria")
 536
 537 @http_authenticate(auth, 'ais')
 538 def fleet_vessel_add2(request, fleetname):
 539     fleet = get_object_or_404(Fleet, name=fleetname)
 540     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 541         return HttpResponseForbidden('<h1>Forbidden</h1>')
 542     if request.method == 'POST' or request.META['QUERY_STRING']:
 543         form = FleetAddVessel(request.REQUEST)
 544         if form.is_valid():
 545             data = form.cleaned_data
 546             result = []
 547             a_strmmsi = request.REQUEST['mmsi']
 548             if a_strmmsi:
 549                 for strmmsi in a_strmmsi.split('\n'):
 550                     strmmsi = strmmsi.strip('\r')
 551                     if not strmmsi:
 552                         continue
 553                     try:
 554                         sqlmmsi = strmmsi_to_mmsi(strmmsi)
 555                     except AssertionError:
 556                         result.append('Invalid mmsi %s' % strmmsi)
 557                         continue
 558                     try:
 559                         vessel = Vessel.objects.get(pk=sqlmmsi)
 560                     except Vessel.DoesNotExist:
 561                         result.append('No vessel with MMSI '+strmmsi)
 562                         continue
 563                     try:
 564                         fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 565                         result.append('Vessel with MMSI %s is already in that fleet' % strmmsi)
 566                     except FleetVessel.DoesNotExist:
 567                         FleetVessel(fleet=fleet, vessel=vessel).save()
 568                         result.append('Vessel with MMSI %s added' % strmmsi)
 569
 570             return HttpResponse('<br>'.join(result))
 571     else: # GET
 572         form = FleetAddVessel()
 573
 574     return render_to_response('fleet_vessel_add.html', {'form': form, 'fleet': fleet}, RequestContext(request))
 575
 576
 577 @http_authenticate(auth, 'ais')
 578 def fleet_users(request, fleetname):
 579     fleet = get_object_or_404(Fleet, name=fleetname)
 580     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 581         return HttpResponseForbidden('<h1>Forbidden</h1>')
 582
 583     if request.method == 'POST' or request.META['QUERY_STRING']:
 584         action = request.REQUEST['action']
 585         userlogin = request.REQUEST['user']
 586         try:
 587             user = User.objects.get(login=userlogin)
 588         except User.DoesNotExist:
 589             request.user.error(u'User %s does not exist.' % userlogin)
 590         else:
 591             if action == u'add':
 592                 try:
 593                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 594                     request.user.error(u'User %s already has access.' % user.login)
 595                 except FleetUser.DoesNotExist:
 596                     FleetUser(fleet=fleet, user=user).save()
 597                     #TODO log
 598                     request.user.info(u'Granted access to user %s.' % user.login)
 599             elif action == u'revoke':
 600                 try:
 601                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 602                     fu.delete()
 603                     #TODO log
 604                     request.user.info(u'Revoked access to user %s.' % user.login)
 605                     if FleetUser.objects.filter(fleet=fleet).count() == 0:
 606                         fleet.delete()
 607                         request.user.info(u"Deleted fleet %s (no more users)." % fleet.name)
 608                         return HttpResponseRedirect('/fleet/')
 609                 except FleetUser.DoesNotExist:
 610                     request.user.error(u'User %s didn\'t have access.' % user.login)
 611             else:
 612                 request.user.error(u'Unknown action %s' % action)
 613
 614     fleetusers = fleet.fleetuser_set.all()
 615     otherusers = User.objects.exclude(id__in=[fu.user.id for fu in fleetusers]).order_by('name')
 616     return render_to_response('fleet_users.html', {'fleet':fleet, 'fleetusers': fleetusers, 'otherusers': otherusers}, RequestContext(request))
 617
 618
 619 @http_authenticate(auth, 'ais')
 620 def fleet_lastpos(request, fleetname):
 621     fleet = get_object_or_404(Fleet, name=fleetname)
 622     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 623         return HttpResponseForbidden('<h1>Forbidden</h1>')
 624     fleet_uset = load_fleet_to_uset(fleet.id)
 625     # = set([mmsi_to_strmmsi(vessel.mmsi) for vessel in fleet.vessel.all()])
 626     value = kml_to_kmz(format_fleet(fleet_uset, document_name=fleetname+' fleet').encode('utf-8'))
 627     response = HttpResponse(value, mimetype="application/vnd.google-earth.kml")
 628     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % fleetname
 629     return response
 630
 631
 632 @http_authenticate(auth, 'ais')
 633 def users(request):
 634     users = User.objects.order_by('name')
 635     for user in users:
 636         user.admin_ok = user.is_admin_by(request.user.id)
 637     if request.REQUEST.has_key('showtree'):
 638         local_users = {}
 639         for user in users:
 640             user.children = []
 641             local_users[user.id] = user
 642         for user in users:
 643             if user.father_id == None:
 644                 root = user
 645             else:
 646                 local_users[user.father_id].children.append(user)
 647         assert root
 648         return render_to_response('users_tree.html', {'root': root, 'auser': request.user.id}, RequestContext(request))
 649     else:
 650         return render_to_response('users.html', {'users':users}, RequestContext(request))
 651
 652 phone_re = re.compile('^\\+.+')
 653
 654 class UserEditForm(forms.Form):
 655     login = forms.RegexField(regex=r'^[a-zA-Z0-9_]+$', max_length=16,
 656         error_message ='Login must only contain letters, numbers and underscores')
 657     name = forms.CharField(max_length=50)
 658     email = forms.EmailField()
 659     phone = forms.RegexField(regex='\\+.+', max_length=20, required=False,
 660         error_message ='Phones must start with a \'+\'')
 661     def __init__(self, *args, **kargs):
 662         forms.Form.__init__(self, *args, **kargs)
 663         self.old_login = kargs['initial']['login']
 664     def clean_login(self):
 665         new_login = self.cleaned_data['login']
 666         if new_login != self.old_login:
 667             if User.objects.filter(login=new_login).count():
 668                 raise forms.ValidationError("Sorry that login is already in use. Try another one.")
 669             if new_login == u'add':
 670                 raise forms.ValidationError("Sorry that login is reserved. Try another one.")
 671         return new_login
 672
 673 @http_authenticate(auth, 'ais')
 674 def user_detail(request, login):
 675     user = get_object_or_404(User, login=login)
 676     user.admin_ok = user.is_admin_by(request.user.id)
 677     return render_to_response('user_detail.html', {'auser': user}, RequestContext(request))
 678
 679 @http_authenticate(auth, 'ais')
 680 def user_edit(request, login):
 681     initial = {}
 682     if login:
 683         user = get_object_or_404(User, login=login)
 684         if not user.is_admin_by(request.user.id):
 685             return HttpResponseForbidden('403 Forbidden')
 686     else:
 687         user = User()
 688         user.father_id = request.user.id;
 689     initial['login'] = user.login
 690     initial['name'] = user.name
 691     initial['email'] = user.email
 692     initial['phone'] = user.phone
 693     if request.method == 'POST':
 694         form = UserEditForm(request.POST, initial=initial)
 695         if form.is_valid():
 696             user.login = form.cleaned_data['login']
 697             user.name = form.cleaned_data['name']
 698             user.email = form.cleaned_data['email']
 699             user.phone = form.cleaned_data['phone']
 700             user.save()
 701             user.check_sandbox_access(request.user)
 702             return HttpResponseRedirect('/user/')
 703     else: # GET
 704         form = UserEditForm(initial=initial)
 705
 706     return render_to_response('user_edit.html', {'form':form, 'auser': user}, RequestContext(request))
 707
 708
 709 class ChangePasswordForm(forms.Form):
 710     new_password = forms.CharField(max_length=16, widget=forms.PasswordInput())
 711     new_password_check = forms.CharField(max_length=16, widget=forms.PasswordInput())
 712
 713     def clean_generic_password(self, field_name):
 714         password = self.cleaned_data[field_name]
 715         try:
 716             crack.FascistCheck(password)
 717         except ValueError, err:
 718             raise forms.ValidationError(err.message)
 719         return password
 720
 721     def clean_new_password(self):
 722         return self.clean_generic_password('new_password')
 723
 724     def clean_new_password_check(self):
 725         return self.clean_generic_password('new_password_check')
 726
 727     def clean(self):
 728         cleaned_data = self.cleaned_data
 729         pass1 = cleaned_data.get('new_password')
 730         pass2 = cleaned_data.get('new_password_check')
 731         if pass1 != pass2 and pass2:
 732             self._errors['new_password_check'] = forms.util.ErrorList(['Passwords must match'])
 733             del cleaned_data['new_password_check'] # FIXME
 734         return cleaned_data
 735
 736
 737 @http_authenticate(auth, 'ais')
 738 def user_change_password(request, login):
 739     user = get_object_or_404(User, login=login)
 740     if not user.is_admin_by(request.user.id):
 741         return HttpResponseForbidden('403 Forbidden')
 742     if request.method == 'POST':
 743         form = ChangePasswordForm(request.POST)
 744         if form.is_valid():
 745             user.set_password(form.cleaned_data['new_password'])
 746             user.save()
 747             return HttpResponseRedirect('/user/')
 748     else: # GET
 749         form = ChangePasswordForm()
 750     return render_to_response('user_change_password.html', {'form':form, 'auser':user}, RequestContext(request))
 751
 752
 753 @http_authenticate(auth, 'ais')
 754 def user_delete(request, login):
 755     user = get_object_or_404(User, login=login)
 756     if not user.is_admin_by(request.user.id):
 757         return HttpResponseForbidden('403 Forbidden')
 758     if request.REQUEST.get('confirm', None):
 759         user.delete()
 760         return HttpResponseRedirect('/user/')
 761     return render_to_response('user_delete.html', {'form':None, 'auser':user}, RequestContext(request))
 762
 763
 764 def logout(request):
 765     # TODO
 766     return HttpResponse('Not implemented')
 767     #response = render_to_response('logout.html', {}, RequestContext(request))
 768     #return response
 769
 770 periods = ({
 771     'name_tiny': '2h',
 772     'name_long': '2 hours',
 773     'seconds': 2*60*60
 774     }, {
 775     'name_tiny': '6h',
 776     'name_long': '6 hours',
 777     'seconds': 6*60*60,
 778     'default': True,
 779     }, {
 780     'name_tiny': '2d',
 781     'name_long': '2 days',
 782     'seconds': 2*24*60*60
 783     }, {
 784     'name_tiny': '14d',
 785     'name_long': '2 weeks',
 786     'seconds': 14*24*60*60
 787     }, {
 788     'name_tiny': '90d',
 789     'name_long': '3 monthes',
 790     'seconds': 90*24*60*60
 791     }, {
 792     'name_tiny': '180d',
 793     'name_long': '6 monthes',
 794     'seconds': 180*24*60*60
 795     })
 796
 797 class StatsSelectorForm(forms.Form):
 798     peers = forms.ChoiceField(choices=[('', 'All')] + [(id4,source['name']) for id4,source in peers_get_config().iteritems()])
 799     types = forms.ChoiceField(choices=[('', 'All'), ('bytes', 'Bandwidth'), ('counts', "Packet'izer")], initial='counts')
 800     periods = forms.ChoiceField(choices=[(period['name_tiny'], period['name_long']) for period in periods] + [('', 'All')], initial='2d')
 801
 802 @http_authenticate(auth, 'ais')
 803 def sources_index(request):
 804     active_minutes = 5
 805     peers_config = peers_get_config()
 806     peers_display = []
 807     for id4, peer in peers_config.iteritems():
 808         peer['id4'] = id4
 809         peer['id2'] = id4[2:]
 810         peer['active'] = is_id4_active(id4, 60*active_minutes)
 811         peers_display.append(peer)
 812
 813     peers_display = sorted(peers_display, key=lambda k: k['id4'])
 814
 815     form = StatsSelectorForm()
 816
 817     return render_to_response('sources_index.html', {'sources':peers_display, 'active_minutes': active_minutes, 'form': form}, RequestContext(request))
 818
 819
 820 @http_authenticate(auth, 'ais')
 821 def sources_stats(request):
 822     filter_peers = request.REQUEST.get('peers', None)
 823     if filter_peers:
 824         filter_peers = filter_peers.split(u',')
 825
 826     peers_config = peers_get_config()
 827     peers_display = []
 828
 829     for id4, peer in peers_config.iteritems():
 830         if filter_peers:
 831             if unicode(id4) not in filter_peers:
 832                 continue
 833         peer['id4'] = id4
 834         peers_display.append(peer)
 835
 836     peers_display = sorted(peers_display, key=lambda k: k['id4'])
 837
 838     filter_types = request.REQUEST.get('types', None)
 839     if filter_types:
 840         filter_types = filter_types.split(u',')
 841     else:
 842         filter_types = [ 'bytes', 'counts' ]
 843     logging.error('filter_types=%s', filter_types)
 844
 845     filter_periods = request.REQUEST.get('periods', None)
 846     if filter_periods:
 847         display_periods = []
 848         for period_name in filter_periods.split(u','):
 849             for period in periods:
 850                 if period['name_tiny'] == period_name:
 851                     display_periods.append(period)
 852     else:
 853         display_periods = periods
 854     #logging.error('display_periods=%s', display_periods)
 855
 856
 857     now = int(get_timestamp())
 858     for config in peers_display:
 859         id4 = config['id4']
 860         for period in periods:
 861             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-bytes.png'), \
 862                 '--lazy', \
 863                 '-l', '0', \
 864                 '--title', config['name'] + ' - Bandwidth usage - ' + period['name_long'], \
 865                 '--start', '%d' % (now - period['seconds']), \
 866                 '--end', '%d' % now, \
 867                 '--vertical-label', 'bps', \
 868                 'DEF:bytes=%s:bytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
 869                 'DEF:rawbytes=%s:rawbytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
 870                 'CDEF:bits=bytes,8,*', \
 871                 'CDEF:rawbits=rawbytes,8,*', \
 872                 'LINE:bits#00FF00:IP payload', \
 873                 'LINE:rawbits#FF0000:IP with headers'
 874             rrdtool.graph(*args)
 875             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-counts.png'), \
 876                 '--lazy', \
 877                 '-l', '0', \
 878                 '--title', config['name'] + ' - Packet\'izer stats - ' + period['name_long'], \
 879                 '--start', '%d' % (now-period['seconds']), \
 880                 '--end', '%d' % now, \
 881                 '--vertical-label', 'Hz', \
 882                 'DEF:packets=%s:packets:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
 883                 'DEF:lines=%s:lines:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
 884                 'LINE:packets#FF0000:input packets', \
 885                 'LINE:lines#00FF00:AIVDM lines'
 886             rrdtool.graph(*args)
 887     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))
 888
 889
 890 @http_authenticate(auth, 'ais')
 891 def news(request, page):
 892     NEWS_PER_PAGE = 10
 893     if page:
 894         page = int(page)
 895     else:
 896         page = 1
 897     # TODO __future__
 898     npages = int((News.objects.count() + NEWS_PER_PAGE - 1) / NEWS_PER_PAGE)
 899     news = News.objects.order_by('-created')[(page - 1) * NEWS_PER_PAGE : page * NEWS_PER_PAGE]
 900     return render_to_response('news.html', {'news':news, 'page': page, 'npages': npages}, RequestContext(request))
 901
 902 @http_authenticate(auth, 'ais')
 903 def news_atom(request):
 904     from django.db import connection
 905
 906     news = News.objects.order_by('-created')
 907
 908     cursor = connection.cursor()
 909     cursor.execute("SELECT MAX(updated) FROM news")
 910     row = cursor.fetchone()
 911     last_update = row[0]
 912
 913     return render_to_response('news.atom', {'news':news, 'last_update':last_update}, RequestContext(request), mimetype='application/atom+xml')