watchAndroid44Nexus5.cronjob.php

<?php
ini_set('may_execution_time', 600);
if (!ini_get('date.timezone') && function_exists('date_default_timezone_set')) {
  date_default_timezone_set('UTC'); // You may change this (eg 'Europe/Berlin').
}

/**
 * Android 4.4 Kitkat / Nexus 5 email alert cronjob script.
 *
 * 1. Download this script.
 *    Browser download: https://gist.github.com/eyecatchup/7017108/download/
 *    Or, for the console users, one of:
 * # wget --no-check-certificate https://gist.github.com/eyecatchup/7017108/raw/ /path/android.cron.php
 * # wget --no-check-certificate https://gist.github.com/eyecatchup/7017108/raw/watchAndroid44Nexus5.cronjob.php
 * 
 * 2. Set the value for the variable $notifyEmailAddress to your email address.
 *
 * 3. Create a new cronjob (for a Windows Xampp stack alternative see: http://stackoverflow.com/a/4231634/624466). 
 *    On your console, type:
 * # crontab -e
 *
 * 4. Paste the following (adjust script/logfile path):
 * 0 * * * * php /absolute/path/to/script.php >> /absolute/path/to/cronjob.log
 *
 * Exit crontab and you'Re done. You'll get an email as soon as there's something to checkout.
 */

/**
 * CHANGE THIS TO YOUR EMAIL ADDRESS !!!
 */
$notifyEmailAddress = '[email protected]';

/**
 * NO NEED FOR CHANGES BELOW
 */
$urls = array(
    //check potential product URLs
    'check404' => array(
        'www.google.com/nexus/5/',
        'www.android.com/devices/detail/nexus-5',
        'www.android.com/devices/images/device/nexus-5/large/0',
        'www.android.com/about/kitkat/',
        'developer.android.com/about/versions/android-4.4.html',
        'developer.android.com/sdk/api_diff/19/changes/changes-summary.html',
        'android.googlesource.com/device/lge/hammerhead/',
        'static.googleusercontent.com/external_content/untrusted_dlcp/source.android.com/en//compatibility/android-4.4-cdd.pdf',
    ),
    //check for string "Nexus 5"  (case-insensitive)
    'checkStringNexus5' => array(
        'www.android.com/about/',
        'www.android.com/whatsnew/',
        'play.google.com/store/devices',
        'developers.google.com/android/nexus/images',
        'developers.google.com/android/nexus/drivers',
        'source.android.com/source/build-numbers.html',
        'source.android.com/source/building-devices.html',
        'source.android.com/source/building-kernels.html',
    ),
    //check for string "Hammerhead" (case-insensitive)
    'checkStringHammerhead' => array(
        'developers.google.com/android/nexus/images',
        'developers.google.com/android/nexus/drivers',
        'source.android.com/source/building-devices.html',
        'source.android.com/source/building-kernels.html',
        'android.googlesource.com/device/ti/hammerhead',
    ),
    //check for string "4.4"
    'checkStringAndroid44' => array(
        'www.android.com/whatsnew/',
        'www.android.com/about/',
        'source.android.com/',
        'developers.google.com/android/nexus/images',
        'developers.google.com/android/nexus/drivers',
        'source.android.com/source/build-numbers.html',
        'source.android.com/compatibility/downloads.html',
    )
);

class N5
{
    const UA = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.69 Safari/537.36';

    public static function matchNexus5($url) {
        $str = self::getHttpResponse($url);
        return !$str ? false : (bool)preg_match('/nexus 5/iu', trim($str));
    }

    public static function matchHammerhead($url) {
        $str = self::getHttpResponse($url);
        return !$str ? false : (bool)preg_match('/hammerhead/iu', trim($str));
    }

    public static function matchAndroid44($url) {
        $str = self::getHttpResponse($url);
        return !$str ? false : (bool)preg_match('/4\.4/iu', trim($str));
    }

    public static function getHttpCode($url) {
        $ch = curl_init($url);
        curl_setopt_array($ch, array(
            CURLOPT_USERAGENT       => N5::UA,
            CURLOPT_RETURNTRANSFER  => 1,
            CURLOPT_CONNECTTIMEOUT  => 15,
            CURLOPT_FOLLOWLOCATION  => 1,
            CURLOPT_MAXREDIRS       => 3,
            CURLOPT_SSL_VERIFYPEER  => 0,
            CURLOPT_NOBODY          => 1,
        ));

        curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        return (int)$httpCode;
    }

    public static function getHttpResponse($url) {
        $ch = curl_init($url);
        curl_setopt_array($ch, array(
            CURLOPT_USERAGENT       => N5::UA,
            CURLOPT_RETURNTRANSFER  => 1,
            CURLOPT_CONNECTTIMEOUT  => 30,
            CURLOPT_FOLLOWLOCATION  => 1,
            CURLOPT_MAXREDIRS       => 3,
            CURLOPT_SSL_VERIFYPEER  => 0,
        ));

        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        return 200 == (int)$httpCode ? $response : false;
    }
}


$found = array();
$https = 'https://';

//check potential product URLs
foreach ($urls['check404'] as $url) {
    (200 == N5::getHttpCode($https . $url)) && array_push($found,
        $url  . ' (product URL)');
}
//check for string "Nexus 5"  (case-insensitive)
foreach ($urls['checkStringNexus5'] as $url) {
    (false !== N5::matchNexus5($https . $url)) && array_push($found,
        $url . ' (contains string "Nexus 5")');
}
//check for string "Hammerhead" (case-insensitive)
foreach ($urls['checkStringHammerhead'] as $url) {
    (false !== N5::matchHammerhead($https . $url)) && array_push($found,
        $url . ' (contains string "Hammerhead")');
}
//check for string "4.4"
foreach ($urls['checkStringAndroid44'] as $url) {
    (false !== N5::matchAndroid44($https . $url)) && array_push($found,
        $url . ' (contains string "4.4")');
}

if (0 < sizeof($found)) {
    $msg = 'Strike! Check the following URL(s):' . PHP_EOL;
    foreach ($found as $url) {
        $msg .= $https . $url . PHP_EOL;
    }
    mail($notifyEmailAddress, 'Android 4.4 Kitkat / Nexus 5 Alert', $msg);
    print trim($msg);
}
else {
    printf('[%s]: Nothing found.' . PHP_EOL, date('Y/m/d H:i'));
}