Raphaël G. Git Repositories - airbundle/blob - Command/WeatherCommand.php

   1 <?php declare(strict_types=1);
   2
   3 /*
   4  * This file is part of the Rapsys AirBundle package.
   5  *
   6  * (c) Raphaël Gertz <symfony@rapsys.eu>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Rapsys\AirBundle\Command;
  13
  14 use Doctrine\Bundle\DoctrineBundle\Command\DoctrineCommand;
  15 use Doctrine\Persistence\ManagerRegistry;
  16
  17 use Symfony\Component\Console\Input\InputInterface;
  18 use Symfony\Component\Console\Output\OutputInterface;
  19 use Symfony\Component\Filesystem\Exception\IOException;
  20 use Symfony\Component\Filesystem\Filesystem;
  21
  22 use Rapsys\AirBundle\Entity\Session;
  23
  24 class WeatherCommand extends DoctrineCommand {
  25         //Set failure constant
  26         const FAILURE = 1;
  27
  28         ///Set success constant
  29         const SUCCESS = 0;
  30
  31         ///Set Tidy config
  32         private $config = [
  33                 //Mostly useless in fact
  34                 'indent' => true,
  35                 //Required to simplify simplexml transition
  36                 'output-xml' => true,
  37                 //Required to avoid xml errors
  38                 'quote-nbsp' => false,
  39                 //Required to fix code
  40                 'clean' => true
  41         ];
  42
  43         ///Set accuweather uris
  44         private $accuweather = [
  45                 //Hourly uri
  46                 'hourly' => [
  47                         75001 => 'https://www.accuweather.com/en/fr/paris-01-louvre/75001/hourly-weather-forecast/179142_pc?day=',
  48                         75004 => 'https://www.accuweather.com/en/fr/paris-04-hotel-de-ville/75004/hourly-weather-forecast/179145_pc?day=',
  49                         75005 => 'https://www.accuweather.com/en/fr/paris-05-pantheon/75005/hourly-weather-forecast/179146_pc?day=',
  50                         75006 => 'https://www.accuweather.com/fr/fr/paris-06-luxembourg/75006/hourly-weather-forecast/179147_pc?day=',
  51                         75007 => 'https://www.accuweather.com/en/fr/paris-07-palais-bourbon/75007/hourly-weather-forecast/179148_pc?day=',
  52                         75009 => 'https://www.accuweather.com/en/fr/paris-09-opera/75009/hourly-weather-forecast/179150_pc?day=',
  53                         75010 => 'https://www.accuweather.com/en/fr/paris-10-entrepot/75010/hourly-weather-forecast/179151_pc?day=',
  54                         75012 => 'https://www.accuweather.com/en/fr/paris-12-reuilly/75012/hourly-weather-forecast/179153_pc?day=',
  55                         75013 => 'https://www.accuweather.com/en/fr/paris-13-gobelins/75013/hourly-weather-forecast/179154_pc?day=',
  56                         75015 => 'https://www.accuweather.com/en/fr/paris-15-vaugirard/75015/hourly-weather-forecast/179156_pc?day=',
  57                         75019 => 'https://www.accuweather.com/en/fr/paris-19-buttes-chaumont/75019/hourly-weather-forecast/179160_pc?day=',
  58                         75116 => 'https://www.accuweather.com/en/fr/paris-16-passy/75116/hourly-weather-forecast/179246_pc?day='
  59                 ],
  60                 //Daily uri
  61                 'daily' => [
  62                         75001 => 'https://www.accuweather.com/en/fr/paris-01-louvre/75001/daily-weather-forecast/179142_pc',
  63                         75004 => 'https://www.accuweather.com/en/fr/paris-04-hotel-de-ville/75004/daily-weather-forecast/179145_pc',
  64                         75005 => 'https://www.accuweather.com/en/fr/paris-05-pantheon/75005/daily-weather-forecast/179146_pc',
  65                         75006 => 'https://www.accuweather.com/fr/fr/paris-06-luxembourg/75006/daily-weather-forecast/179147_pc',
  66                         75007 => 'https://www.accuweather.com/en/fr/paris-07-palais-bourbon/75007/daily-weather-forecast/179148_pc',
  67                         75009 => 'https://www.accuweather.com/en/fr/paris-09-opera/75009/daily-weather-forecast/179150_pc',
  68                         75010 => 'https://www.accuweather.com/en/fr/paris-10-entrepot/75010/daily-weather-forecast/179151_pc',
  69                         75012 => 'https://www.accuweather.com/en/fr/paris-12-reuilly/75012/daily-weather-forecast/179153_pc',
  70                         75013 => 'https://www.accuweather.com/en/fr/paris-13-gobelins/75013/daily-weather-forecast/179154_pc',
  71                         75015 => 'https://www.accuweather.com/en/fr/paris-15-vaugirard/75015/daily-weather-forecast/179156_pc',
  72                         75019 => 'https://www.accuweather.com/en/fr/paris-19-buttes-chaumont/75019/daily-weather-forecast/179160_pc',
  73                         75116 => 'https://www.accuweather.com/en/fr/paris-16-passy/75116/daily-weather-forecast/179246_pc'
  74                 ]
  75         ];
  76
  77         ///Set curl handler
  78         private $ch = null;
  79
  80         ///Set manager registry
  81         private $doctrine;
  82
  83         ///Set filesystem
  84         private $filesystem;
  85
  86         ///Weather command constructor
  87         public function __construct(ManagerRegistry $doctrine, Filesystem $filesystem) {
  88                 parent::__construct($doctrine);
  89
  90                 //Set entity manager
  91                 $this->doctrine = $doctrine;
  92
  93                 //Set filesystem
  94                 $this->filesystem = $filesystem;
  95         }
  96
  97         ///Configure attribute command
  98         protected function configure() {
  99                 //Configure the class
 100                 $this
 101                         //Set name
 102                         ->setName('rapsysair:weather')
 103                         //Set description shown with bin/console list
 104                         ->setDescription('Updates session rain and temperature fields')
 105                         //Set description shown with bin/console --help airlibre:attribute
 106                         ->setHelp('This command updates session rain and temperature fields in next three days')
 107                         //Add daily and hourly aliases
 108                         ->setAliases(['rapsysair:weather:daily', 'rapsysair:weather:hourly']);
 109         }
 110
 111         ///Process the attribution
 112         protected function execute(InputInterface $input, OutputInterface $output): int {
 113                 //Kernel object
 114                 $kernel = $this->getApplication()->getKernel();
 115
 116                 //Tmp directory
 117                 $tmpdir = $kernel->getContainer()->getParameter('kernel.project_dir').'/var/cache/weather';
 118
 119                 //Set tmpdir
 120                 //XXX: worst case scenario we have 3 files per zipcode plus daily
 121                 if (!is_dir($tmpdir)) {
 122                         try {
 123                                 //Create dir
 124                                 $this->filesystem->mkdir($tmpdir, 0775);
 125                         } catch (IOException $exception) {
 126                                 //Display error
 127                                 echo 'Create dir '.$exception->getPath().' failed'."\n";
 128
 129                                 //Exit with failure
 130                                 exit(self::FAILURE);
 131                         }
 132                 }
 133
 134                 //Cleanup kernel
 135                 unset($kernel);
 136
 137                 //Tidy object
 138                 $tidy = new \tidy();
 139
 140                 //Init zipcodes array
 141                 $zipcodes = [];
 142
 143                 //Init types
 144                 $types = [];
 145
 146                 //Process hourly accuweather
 147                 if (($command = $input->getFirstArgument()) == 'rapsysair:weather:hourly' || $command == 'rapsysair:weather') {
 148                         //Fetch hourly sessions to attribute
 149                         $types['hourly'] = $this->doctrine->getRepository(Session::class)->findAllPendingHourlyWeather();
 150
 151                         //Iterate on each session
 152                         foreach($types['hourly'] as $sessionId => $session) {
 153                                 //Get zipcode
 154                                 $zipcode = $session->getLocation()->getZipcode();
 155
 156                                 //Get start
 157                                 $start = $session->getStart();
 158
 159                                 //Set start day
 160                                 $day = $start->diff((new \DateTime('now'))->setTime(0, 0, 0))->d + 1;
 161
 162                                 //Check if zipcode is set
 163                                 if (!isset($zipcodes[$zipcode])) {
 164                                         $zipcodes[$zipcode] = [];
 165                                 }
 166
 167                                 //Check if zipcode date is set
 168                                 if (!isset($zipcodes[$zipcode][$day])) {
 169                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 170                                 } else {
 171                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 172                                 }
 173
 174                                 //Get stop
 175                                 $stop = $session->getStop();
 176
 177                                 //Set stop day
 178                                 $day = $stop->diff((new \DateTime('now'))->setTime(0, 0, 0))->d + 1;
 179
 180                                 //Check if zipcode date is set
 181                                 if (!isset($zipcodes[$zipcode][$day])) {
 182                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 183                                 } else {
 184                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 185                                 }
 186                         }
 187                 }
 188
 189                 //Process daily accuweather
 190                 if ($command == 'rapsysair:weather:daily' || $command == 'rapsysair:weather') {
 191                         //Fetch daily sessions to attribute
 192                         $types['daily'] = $this->doctrine->getRepository(Session::class)->findAllPendingDailyWeather();
 193
 194                         //Iterate on each session
 195                         foreach($types['daily'] as $sessionId => $session) {
 196                                 //Get zipcode
 197                                 $zipcode = $session->getLocation()->getZipcode();
 198
 199                                 //Get start
 200                                 $start = $session->getStart();
 201
 202                                 //Set start day
 203                                 $day = 'daily';
 204
 205                                 //Check if zipcode is set
 206                                 if (!isset($zipcodes[$zipcode])) {
 207                                         $zipcodes[$zipcode] = [];
 208                                 }
 209
 210                                 //Check if zipcode date is set
 211                                 if (!isset($zipcodes[$zipcode][$day])) {
 212                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 213                                 } else {
 214                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 215                                 }
 216                         }
 217                 }
 218
 219                 //Init curl
 220                 $this->curl_init();
 221
 222                 //Init data array
 223                 $data = [];
 224
 225                 //Iterate on zipcodes
 226                 foreach($zipcodes as $zipcode => $days) {
 227                         //Iterate on days
 228                         foreach($days as $day => $null) {
 229                                 //Try to load content from cache
 230                                 if (!is_file($file = $tmpdir.'/'.$zipcode.'.'.$day.'.html') || stat($file)['ctime'] <= (time() - ($day == 'daily' ? 4 : 2)*3600) || ($content = file_get_contents($file)) === false) {
 231                                         //Prevent timing detection
 232                                         //XXX: from 0.1 to 5 seconds
 233                                         usleep(rand(1,50) * 100000);
 234
 235                                         //Get content
 236                                         //TODO: for daily we may load data for requested quarter of the day
 237                                         $content = $this->curl_get($day == 'daily' ? $this->accuweather['daily'][$zipcode] : $this->accuweather['hourly'][$zipcode].$day);
 238
 239                                         //Store it
 240                                         if (file_put_contents($tmpdir.'/'.$zipcode.'.'.$day.'.html', $content) === false) {
 241                                                 //Display error
 242                                                 echo 'Write to '.$tmpdir.'/'.$zipcode.'.'.$day.'.html failed'."\n";
 243
 244                                                 //Exit with failure
 245                                                 exit(self::FAILURE);
 246                                         }
 247                                 }
 248
 249                                 //Parse string
 250                                 $tidy->parseString($content, $this->config, 'utf8');
 251
 252                                 //Fix error buffer
 253                                 //XXX: don't care about theses errors, tidy is here to fix...
 254                                 #if (!empty($tidy->errorBuffer)) {
 255                                 #       var_dump($tidy->errorBuffer);
 256                                 #       die('Tidy errors');
 257                                 #}
 258
 259                                 //Load simplexml
 260                                 //XXX: trash all xmlns= broken tags
 261                                 $sx = new \SimpleXMLElement(str_replace(['xmlns=', 'xlink:href='], ['xns=', 'href='], (string)$tidy));
 262
 263                                 //Process daily
 264                                 if ($day == 'daily') {
 265                                         //Iterate on each link containing data
 266                                         foreach($sx->xpath('//a[contains(@class,"daily-forecast-card")]') as $node) {
 267                                                 //Get date
 268                                                 $dsm = trim($node->div[0]->h2[0]->span[1]);
 269
 270                                                 //Get temperature
 271                                                 $temperature = str_replace('°', '', (string)$node->div[0]->div[0]->span[0]);
 272
 273                                                 //Get rainrisk
 274                                                 $rainrisk = trim(str_replace('%', '', (string)$node->div[1]))/100;
 275
 276                                                 //Store data
 277                                                 $data[$zipcode][$dsm]['daily'] = [
 278                                                         'temperature' => $temperature,
 279                                                         'rainrisk' => $rainrisk
 280                                                 ];
 281                                         }
 282                                 //Process hourly
 283                                 } else {
 284                                         //Iterate on each div containing data
 285                                         #(string)$sx->xpath('//div[@class="hourly-card-nfl"]')[0]->attributes()->value
 286                                         #/html/body/div[1]/div[5]/div[1]/div[1]/div[1]/div[1]/div[1]/div/h2/span[1]
 287                                         foreach($sx->xpath('//div[@data-shared="false"]') as $node) {
 288                                                 //Get hour
 289                                                 $hour = trim(str_replace(' h', '', (string)$node->div[0]->div[0]->div[0]->div[0]->div[0]->h2[0]));
 290
 291                                                 //Compute dsm from day (1=d,2=d+1,3=d+2)
 292                                                 $dsm = (new \DateTime('+'.($day - 1).' day'))->format('d/m');
 293
 294                                                 //Get temperature
 295                                                 $temperature = str_replace('°', '', (string)$node->div[0]->div[0]->div[0]->div[0]->div[1]);
 296
 297                                                 //Get realfeel
 298                                                 $realfeel = trim(str_replace(['RealFeel®', '°'], '', (string)$node->div[0]->div[0]->div[0]->div[1]->div[0]->div[0]->div[0]));
 299
 300                                                 //Get rainrisk
 301                                                 $rainrisk = floatval(str_replace('%', '', trim((string)$node->div[0]->div[0]->div[0]->div[2]->div[0]))/100);
 302
 303                                                 //Set rainfall to 0 (mm)
 304                                                 $rainfall = 0;
 305
 306                                                 //Iterate on each entry
 307                                                 //TODO: wind and other infos are present in $node->div[1]->div[0]->div[1]->div[0]->p
 308                                                 foreach($node->div[1]->div[0]->div[1]->div[0]->p as $p) {
 309                                                         //Lookup for rain entry if present
 310                                                         if (in_array(trim((string)$p), ['Rain', 'Pluie'])) {
 311                                                                 //Get rainfall
 312                                                                 $rainfall = floatval(str_replace(' mm', '', (string)$p->span[0]));
 313                                                         }
 314                                                 }
 315
 316                                                 //Store data
 317                                                 $data[$zipcode][$dsm][$hour] = [
 318                                                         'temperature' => $temperature,
 319                                                         'realfeel' => $realfeel,
 320                                                         'rainrisk' => $rainrisk,
 321                                                         'rainfall' => $rainfall
 322                                                 ];
 323                                         }
 324                                 }
 325
 326                                 //Cleanup
 327                                 unset($sx);
 328                         }
 329                 }
 330
 331                 //Iterate on types
 332                 foreach($types as $type => $sessions) {
 333                         //Iterate on each type
 334                         foreach($sessions as $sessionId => $session) {
 335                                 //Get zipcode
 336                                 $zipcode = $session->getLocation()->getZipcode();
 337
 338                                 //Get start
 339                                 $start = $session->getStart();
 340
 341                                 //Daily type
 342                                 if ($type == 'daily') {
 343                                         //Set period
 344                                         $period = [ $start ];
 345                                 //Hourly type
 346                                 } else {
 347                                         //Get stop
 348                                         $stop = $session->getStop();
 349
 350                                         //Compute period
 351                                         $period = new \DatePeriod(
 352                                                 //Start from begin
 353                                                 $start,
 354                                                 //Iterate on each hour
 355                                                 new \DateInterval('PT1H'),
 356                                                 //End with begin + length
 357                                                 $stop
 358                                         );
 359                                 }
 360
 361                                 //Set meteo
 362                                 $meteo = [
 363                                         'rainfall' => null,
 364                                         'rainrisk' => null,
 365                                         'realfeel' => [],
 366                                         'realfeelmin' => null,
 367                                         'realfeelmax' => null,
 368                                         'temperature' => [],
 369                                         'temperaturemin' => null,
 370                                         'temperaturemax' => null
 371                                 ];
 372
 373                                 //Iterate on the period
 374                                 foreach($period as $time) {
 375                                         //Set dsm
 376                                         $dsm = $time->format('d/m');
 377
 378                                         //Set hour
 379                                         $hour = $type=='daily'?$type:$time->format('H');
 380
 381                                         //Check data availability
 382                                         //XXX: sometimes startup delay causes weather data to be unavailable for session first hour
 383                                         if (!isset($data[$zipcode][$dsm][$hour])) {
 384                                                 //Skip unavailable data
 385                                                 continue;
 386                                         }
 387
 388                                         //Set info alias
 389                                         $info = $data[$zipcode][$dsm][$hour];
 390
 391                                         //Check if rainrisk is higher
 392                                         if ($meteo['rainrisk'] === null || $info['rainrisk'] > $meteo['rainrisk']) {
 393                                                 //Set highest rain risk
 394                                                 $meteo['rainrisk'] = floatval($info['rainrisk']);
 395                                         }
 396
 397                                         //Check if rainfall is set
 398                                         if (isset($info['rainfall'])) {
 399                                                 //Set rainfall sum
 400                                                 $meteo['rainfall'] += floatval($info['rainfall']);
 401                                         }
 402
 403                                         //Add temperature
 404                                         $meteo['temperature'][$hour] = $info['temperature'];
 405
 406                                         //Hourly type
 407                                         if ($type != 'daily') {
 408                                                 //Check min temperature
 409                                                 if ($meteo['temperaturemin'] === null || $info['temperature'] < $meteo['temperaturemin']) {
 410                                                         $meteo['temperaturemin'] = floatval($info['temperature']);
 411                                                 }
 412
 413                                                 //Check max temperature
 414                                                 if ($meteo['temperaturemax'] === null || $info['temperature'] > $meteo['temperaturemax']) {
 415                                                         $meteo['temperaturemax'] = floatval($info['temperature']);
 416                                                 }
 417                                         }
 418
 419                                         //Check if realfeel is set
 420                                         if (isset($info['realfeel'])) {
 421                                                 //Add realfeel
 422                                                 $meteo['realfeel'][$hour] = $info['realfeel'];
 423
 424                                                 //Check min realfeel
 425                                                 if ($meteo['realfeelmin'] === null || $info['realfeel'] < $meteo['realfeelmin']) {
 426                                                         $meteo['realfeelmin'] = floatval($info['realfeel']);
 427                                                 }
 428
 429                                                 //Check max realfeel
 430                                                 if ($meteo['realfeelmax'] === null || $info['realfeel'] > $meteo['realfeelmax']) {
 431                                                         $meteo['realfeelmax'] = floatval($info['realfeel']);
 432                                                 }
 433                                         }
 434                                 }
 435
 436                                 //Check if rainfall is set and differ
 437                                 if ($session->getRainfall() !== $meteo['rainfall']) {
 438                                         //Set rainfall
 439                                         $session->setRainfall($meteo['rainfall']);
 440                                 }
 441
 442                                 //Check if rainrisk differ
 443                                 if ($session->getRainrisk() !== $meteo['rainrisk']) {
 444                                         //Set rainrisk
 445                                         $session->setRainrisk($meteo['rainrisk']);
 446                                 }
 447
 448                                 //Check realfeel array
 449                                 if ($meteo['realfeel'] !== []) {
 450                                         //Compute realfeel
 451                                         $realfeel = floatval(round(array_sum($meteo['realfeel'])/count($meteo['realfeel']),1));
 452
 453                                         //Check if realfeel differ
 454                                         if ($session->getRealfeel() !== $realfeel) {
 455                                                 //Set average realfeel
 456                                                 $session->setRealfeel($realfeel);
 457                                         }
 458
 459                                         //Check if realfeelmin differ
 460                                         if ($session->getRealfeelmin() !== $meteo['realfeelmin']) {
 461                                                 //Set realfeelmin
 462                                                 $session->setRealfeelmin($meteo['realfeelmin']);
 463                                         }
 464
 465                                         //Check if realfeelmax differ
 466                                         if ($session->getRealfeelmax() !== $meteo['realfeelmax']) {
 467                                                 //Set realfeelmax
 468                                                 $session->setRealfeelmax($meteo['realfeelmax']);
 469                                         }
 470                                 }
 471
 472                                 //Check temperature array
 473                                 if ($meteo['temperature'] !== []) {
 474                                         //Compute temperature
 475                                         $temperature = floatval(round(array_sum($meteo['temperature'])/count($meteo['temperature']),1));
 476
 477                                         //Check if temperature differ
 478                                         if ($session->getTemperature() !== $temperature) {
 479                                                 //Set average temperature
 480                                                 $session->setTemperature($temperature);
 481                                         }
 482
 483                                         //Check if temperaturemin differ
 484                                         if ($session->getTemperaturemin() !== $meteo['temperaturemin']) {
 485                                                 //Set temperaturemin
 486                                                 $session->setTemperaturemin($meteo['temperaturemin']);
 487                                         }
 488
 489                                         //Check if temperaturemax differ
 490                                         if ($session->getTemperaturemax() !== $meteo['temperaturemax']) {
 491                                                 //Set temperaturemax
 492                                                 $session->setTemperaturemax($meteo['temperaturemax']);
 493                                         }
 494                                 }
 495                         }
 496                 }
 497
 498                 //Flush to get the ids
 499                 $this->doctrine->getManager()->flush();
 500
 501                 //Close curl handler
 502                 $this->curl_close();
 503
 504                 //Return success
 505                 return self::SUCCESS;
 506         }
 507
 508         /**
 509          * Init curl handler
 510          *
 511          * @return bool|void Return success or exit
 512          */
 513         function curl_init() {
 514                 //Init curl
 515                 if (($this->ch = curl_init()) === false) {
 516                         //Display error
 517                         echo 'Curl init failed: '.curl_error($this->ch)."\n";
 518                         //Exit with failure
 519                         exit(self::FAILURE);
 520                 }
 521
 522                 //Set curl options
 523                 if (
 524                         curl_setopt_array(
 525                                 $this->ch,
 526                                 [
 527                                         //Force http2
 528                                         CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_2_0,
 529                                         //Set http headers
 530                                         CURLOPT_HTTPHEADER => [
 531                                                 //XXX: it seems that you can disable akamai fucking protection with Pragma: akamai-x-cache-off
 532                                                 //XXX: see https://support.globaldots.com/hc/en-us/articles/115003996705-Akamai-Pragma-Headers-overview
 533                                                 #'Pragma: akamai-x-cache-off',
 534                                                 //XXX: working curl command
 535                                                 #curl --http2 --cookie file.jar --cookie-jar file.jar -v -i -k -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' -H 'Accept-Language: en-GB,en;q=0.9' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' -H 'Host: www.accuweather.com' -H 'Pragma: no-cache' -H 'Upgrade-Insecure-Requests: 1' -H 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36' 'https://www.accuweather.com/'
 536                                                 //Set accept
 537                                                 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
 538                                                 //Set accept language
 539                                                 'Accept-Language: en-GB,en;q=0.9',
 540                                                 //Disable cache
 541                                                 'Cache-Control: no-cache',
 542                                                 //Keep connection alive
 543                                                 'Connection: keep-alive',
 544                                                 //Disable cache
 545                                                 'Pragma: no-cache',
 546                                                 //Force secure requests
 547                                                 'Upgrade-Insecure-Requests: 1',
 548                                                 //Set user agent
 549                                                 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36',
 550                                                 //Force akamai cookie
 551                                                 //XXX: seems to come from http request
 552                                                 'Cookie: AKA_A2=A',
 553                                         ],
 554                                         //Enable cookie
 555                                         CURLOPT_COOKIEFILE => '',
 556                                         //Disable location following
 557                                         CURLOPT_FOLLOWLOCATION => false,
 558                                         //Set url
 559                                         #CURLOPT_URL => $url = 'https://www.accuweather.com/',
 560                                         //Return headers too
 561                                         CURLOPT_HEADER => true,
 562                                         //Return content
 563                                         CURLOPT_RETURNTRANSFER => true,
 564
 565                                         //XXX: debug
 566                                         CURLINFO_HEADER_OUT => true
 567                                 ]
 568                         ) === false
 569                 ) {
 570                         //Display error
 571                         echo 'Curl setopt array failed: '.curl_error($this->ch)."\n";
 572                         //Exit with failure
 573                         exit(self::FAILURE);
 574                 }
 575
 576                 //Return success
 577                 return true;
 578         }
 579
 580         /**
 581          * Get url
 582          *
 583          * @return string|void Return url content or exit
 584          */
 585         function curl_get($url) {
 586                 //Set url to fetch
 587                 if (curl_setopt($this->ch, CURLOPT_URL, $url) === false) {
 588                         //Display error
 589                         echo 'Setopt for '.$url.' failed: '.curl_error($this->ch)."\n";
 590
 591                         //Close curl handler
 592                         curl_close($this->ch);
 593
 594                         //Exit with failure
 595                         exit(self::FAILURE);
 596                 }
 597
 598                 //Check return status
 599                 if (($response = curl_exec($this->ch)) === false) {
 600                         //Display error
 601                         echo 'Get for '.$url.' failed: '.curl_error($this->ch)."\n";
 602
 603                         //Display sent headers
 604                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 605
 606                         //Display response
 607                         var_dump($response);
 608
 609                         //Close curl handler
 610                         curl_close($this->ch);
 611
 612                         //Exit with failure
 613                         exit(self::FAILURE);
 614                 }
 615
 616                 //Get header size
 617                 if (empty($hs = curl_getinfo($this->ch, CURLINFO_HEADER_SIZE))) {
 618                         //Display error
 619                         echo 'Getinfo for '.$url.' failed: '.curl_error($this->ch)."\n";
 620
 621                         //Display sent headers
 622                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 623
 624                         //Display response
 625                         var_dump($response);
 626
 627                         //Close curl handler
 628                         curl_close($this->ch);
 629
 630                         //Exit with failure
 631                         exit(self::FAILURE);
 632                 }
 633
 634                 //Get header
 635                 if (empty($header = substr($response, 0, $hs))) {
 636                         //Display error
 637                         echo 'Header for '.$url.' empty: '.curl_error($this->ch)."\n";
 638
 639                         //Display sent headers
 640                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 641
 642                         //Display response
 643                         var_dump($response);
 644
 645                         //Close curl handler
 646                         curl_close($this->ch);
 647
 648                         //Exit with failure
 649                         exit(self::FAILURE);
 650                 }
 651
 652                 //Check request success
 653                 if (strlen($header) <= 10 || substr($header, 0, 10) !== 'HTTP/2 200') {
 654                         //Display error
 655                         echo 'Status for '.$url.' failed: '.curl_error($this->ch)."\n";
 656
 657                         //Display sent headers
 658                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 659
 660                         //Display response
 661                         var_dump($header);
 662
 663                         //Close curl handler
 664                         curl_close($this->ch);
 665
 666                         //Exit with failure
 667                         exit(self::FAILURE);
 668                 }
 669
 670                 //Return content
 671                 return substr($response, $hs);
 672         }
 673
 674         /**
 675          * Close curl handler
 676          *
 677          * @return bool Return success or failure
 678          */
 679         function curl_close() {
 680                 return curl_close($this->ch);
 681         }
 682 }