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

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