Get details and download apps from https://play.google.com by emulating an Android (Nexus 5X) device by default.
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README.md

NPM

Build Status npm

SYNOPSIS

Call Google Play APIs from Node. You might want to check out the CLI package as well.

By default behaves like a Nexus device with SDK 23 for app downloads.

USAGE

var api = require('gpapi').GooglePlayAPI({
  username: user,
  password: pass,
  androidId: android_id
  // apiUserAgent: optional API agent override (see below)
  // downloadUserAgent: optional download agent override (see below)
});

// usage via Promise
api.details("com.viber.voip").then(console.log);

// usage via node callback convention
api.details("com.viber.voip", function (err, res) {
  console.log(err ? err : res);
});

Options

The options accepted:

{
  username: username,
  password: password,
  androidId: androidId,
  countryCode: 'us',
  language: 'en_US',
  requestsDefaultParams: requestsDefaultParams,
  apiUserAgent: USER_AGENT,
  downloadUserAgent: DOWNLOAD_MANAGER_USER_AGENT,
  useCache:true,
  debug: false
}

Defaults

The default apiUserAgent and downloadUserAgent is from Nexus 5X device, w/ Play Store version 6.8.44:

e.g.,:

const USER_AGENT = (
    'Android-Finsky/6.8.44.F-all%20%5B0%5D%203087104 ' +
    '(api=3,versionCode=80684400,sdk=23,device=bullhead,'+
    'hardware=bullhead,product=bullhead,platformVersionRelease=6.0.1,'+
    'model=Nexus%205X,buildId=MHC19Q,isWideScreen=0)'
);

const DOWNLOAD_MANAGER_USER_AGENT = (
  'AndroidDownloadManager/6.0.1 (Linux; U; Android 6.0.1; Nexus 5X Build/MHC19Q)'
);

Therefore you will have best luck getting an ANDROID_ID from a Nexus 5X or override the value via the options object for your particular device.

ID and User-Agent

Note that you'll need to grab the device-id (ANDROID_ID) and associated user-agents for best performance of the library.

  • ANDROID_ID - the ID for the device for Google. This is the GSF ID not the id from dialing *#*#8255#*#*. You can get the gsf id e.g., using this following app: device id app WARNING: This is not the androidId but the GSF Id that is needed by the library

  • Another way is to setup an HTTP proxy and install a CA to the device to see the network traffic. Here is an example from a mitmproxy session:

Device ID and API User-Agent

Download User-Agent

These values can then be passed to the API so that apps can be downloaded with the restrictions of the particular device.

requests defaults

Note that this library uses the requests module, therefore you can control proxy behavior or override defaults via the requestDefaultsParams option.

Debugging

Use env variable DEBUG i.e., DEBUG=gp:api to enable debug output. This is done via request-debug.

You can provide the debug option too.

{
  username: username,
  password: password,
  androidId: androidId,
  debug: false
}

EXAMPLES

Assumes you have set the following environment variables: GOOGLE_LOGIN, GOOGLE_PASSWORD, ANDROID_ID

App details

± % node examples/details.js | jq '.'
{
  "docid": "com.viber.voip",
  "backendDocid": "com.viber.voip",
  "docType": 1,
  "backendId": 3,
  "title": "Viber",
  "creator": "Viber Media S.à r.l.",
  "descriptionHtml": "With Viber, everyone in the world can connect. Freely. More than 400 million Viber users text, call, and send photo and video messages worldwide over Wifi or 3G - for free. Viber Out can be used to make calls to non-Viber mobile and landline numbers at low rates. Viber is available for many smartphones and platforms.   <p>Viber is compatible with and optimized for Android tablets! Use Viber on your tablet and phone simultaneously.<br>On Viber, your phone number is your ID. The app syncs with your mobile contact list, automatically detecting which of your contacts have Viber. <p>•\tText with your friends<br>•\tMake free calls with HD sound quality<br>•\tPhoto sharing, video messages, voice messages, locations, stickers and emoticons<br>•\tGroups with up to 100 participants<br>•\tDownload stickers from the Sticker Market, making messaging fun! <br>•\tAbility to sort and reorder stickers<br>•\tPush notifications guarantee that you never miss a message or call, even when Viber is off<br>•\tIntegration with native contact list for calls and messages<br>•\tSupport for the Viber Desktop application on Windows and Mac <br>Localized to: Arabic, Catalan, Chinese (SP), Chinese (TR), Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese (BR), Portuguese (PT), Romanian, Russian, Slovak, Spanish, Swedish, Tagalog, Thai, Turkish, Ukrainian and Vietnamese<br>Viber is completely free with no advertising. <br>We value your privacy. <p>Follow us for updates and news:<br>Facebook - <a href=\"https://www.google.com/url?q=http://facebook.com/viber&amp;sa=D&amp;usg=AFQjCNGlVhJn65339uldBAp6MeFXZIV3mA\" target=\"_blank\">http://facebook.com/viber</a><br>Twitter - <a href=\"https://www.google.com/url?q=http://twitter.com/viber&amp;sa=D&amp;usg=AFQjCNG60qtBs85Z7vg5eeagjANxTrdSjQ\" target=\"_blank\">http://twitter.com/viber</a><p>(*) Network data charges may apply",
  "offer": [
    {
      "micros": "0",
      "currencyCode": "USD",
      "formattedAmount": "Free",
      "checkoutFlowRequired": false,
      "offerType": 1
    }
  ],
 ...

Related apps

± % node examples/related.js | jq '.'
[
  {
    "backendId": 3,
    "title": "Similar apps",
    "child": [
      {
        "docid": "com.skype.raider",
        "backendDocid": "com.skype.raider",
        "docType": 1,
        "backendId": 3,
        "title": "Skype - free IM & video calls",
        "creator": "Skype",
        "offer": [
          {
            "micros": 0,
            "currencyCode": "USD",
            "formattedAmount": "Free",
            "checkoutFlowRequired": false,
            "offerType": 1
          }
        ],
        "availability": {
          "restriction": 1,
          "perdeviceavailabilityrestriction": [
            {
              "androidId": xxxxxxxxxxxxxxx9983,
              "deviceRestriction": 1,
              "channelId": 83938807
            }
          ],
          "availableIfOwned": true
        },
        ...
      }
  }
]

Download info

± % node examples/downloadInfo.js | jq '.'
{
  "url": "https://android.clients.google.com/market/download/Download?packageName=air.WatchESPN&versionCode=2100039&token=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxw&downloadId=yyyyyyyyyyyyyyyyyyyy",
  "cookies": [
    {
      "name": "MarketDA",
      "value": "zzzzzzzzzzzzzzzzzzzz"
    }
  ]
}

Complete Download info - complete object to be passed seamlessly to request.js

± % node examples/completeDownloadInfo.js | jq '.'
{ url: 'https://android.clients.google.com/market/download/Download?packageName=com.viber.voip&versionCode=37&ssl=1&token=xxxxxxxxx&downloadId=-xxxxxxxxxxx',
  jar:
   RequestJar {
     _jar:
      CookieJar {
        enableLooseMode: true,
        store: { idx: { 'android.clients.google.com': { '/market/download': { MarketDA: Cookie="MarketDA=xxxxxxxx; Path=/market/download; hostOnly=true; aAge=29ms; cAge=29ms" } } } } } },
  headers: 
   { 'User-Agent': 'AndroidDownloadManager/4.2.2 (Linux; U; Android 4.2.2; Galaxy Nexus Build/JDQ39)',
     'Accept-Encoding': '' } }

NOTES