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