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