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open-graph-scraper-bypasshtmlcheck

v4.11.0-1

Published

A fork of open-graph-scraper: Node.js scraper module for Open Graph and Twitter Card info

Downloads

1

Readme

openGraphScraper

Node.js CI Known Vulnerabilities

A simple node module for scraping Open Graph and Twitter Card info off a site. For browser usage, we recommend using ky to make the requests(or a backend service) then pass in the html into open-graph-scraper using the html option.

Installation

npm install open-graph-scraper --save

Usage

Callback Example:

const ogs = require('open-graph-scraper');
const options = { url: 'http://ogp.me/' };
ogs(options, (error, results, response) => {
  console.log('error:', error); // This returns true or false. True if there was an error. The error itself is inside the results object.
  console.log('results:', results); // This contains all of the Open Graph results
  console.log('response:', response); // This contains the HTML of page
});

Promise Example:

const ogs = require('open-graph-scraper');
const options = { url: 'http://ogp.me/' };
ogs(options)
  .then((data) => {
    const { error, result, response } = data;
    console.log('error:', error);  // This returns true or false. True if there was an error. The error itself is inside the results object.
    console.log('result:', result); // This contains all of the Open Graph results
    console.log('response:', response); // This contains the HTML of page
  })

Results JSON

Check the return for a success flag. If success is set to true, then the url input was valid. Otherwise it will be set to false. The above example will return something like...

{
  ogTitle: 'Open Graph protocol',
  ogType: 'website',
  ogUrl: 'http://ogp.me/',
  ogDescription: 'The Open Graph protocol enables any web page to become a rich object in a social graph.',
  ogImage: {
    url: 'http://ogp.me/logo.png',
    width: '300',
    height: '300',
    type: 'image/png'
  },
  requestUrl: 'http://ogp.me/',
  success: true
}

Options

| Name | Info | Default Value | Required | |----------------------|----------------------------------------------------------------------------|---------------|----------| | url | URL of the site. | | x | | timeout | Timeout of the request | 2000 ms | | | html | You can pass in an HTML string to run ogs on it. (use without options.url) | | | | blacklist | Pass in an array of sites you don't want ogs to run on. | [] | | | onlyGetOpenGraphInfo | Only fetch open graph info and don't fall back on anything else. | false | | | ogImageFallback | Fetch other images if no open graph ones are found. | true | | | customMetaTags | Here you can define custom meta tags you want to scrape. | [] | | | allMedia | By default, OGS will only send back the first image/video it finds | false | | | decompress | Set the accept-encoding to gzip/deflate | true | | | followRedirect | Defines if redirect responses should be followed automatically. | true | | | maxRedirects | Max number of redirects ogs will follow. | 10 | | | retry | Number of times ogs will retry the request. | 2 | | | headers | An object containing request headers. Useful for setting the user-agent | {} | | | peekSize | Sets the peekSize for the request | 1024 | | | agent | Used for Proxies, Look below for notes on how to use. | null | | | downloadLimit | Maximum size of the content downloaded from the server, in bytes | 1000000 (1MB) | | | urlValidatorSettings | Sets the options used by validator.js for testing the URL | Here | |

Note: open-graph-scraper uses got for requests and most of got's options should work as open-graph-scraper options.

Custom Meta Tag Example

const ogs = require('open-graph-scraper');
const options = {
  url: 'https://github.com/jshemas/openGraphScraper',
  customMetaTags: [{
    multiple: false, // is there more than one of these tags on a page (normally this is false)
    property: 'hostname', // meta tag name/property attribute
    fieldName: 'hostnameMetaTag', // name of the result variable
  }],
};
ogs(options)
  .then((data) => {
    const { error, result, response } = data;
    console.log('hostnameMetaTag:', result.hostnameMetaTag); // hostnameMetaTag: github.com
  })

Proxy Example

Look here for more info on how to use proxies.

const ogs = require('open-graph-scraper');
const tunnel = require('tunnel');
const options = {
  url: 'https://whatismyipaddress.com/',
  timeout: 15000,
  agent: {
    // setting proxy agent for https requests
    https: tunnel.httpsOverHttp({
      // test proxies can be found here: https://hidemy.name/en/proxy-list/?country=US&type=h#list or http://free-proxy.cz/en/proxylist/country/US/https/ping/all
      proxy: {
        host: 'proxy_ip',
        port: proxyPort,
        rejectUnauthorized: false,
      }
    })
  }
};
ogs(options)
  .then((data) => {
    const { error, result, response } = data;
    console.log('response:', response); // you should see the proxy IP in here
  })

User Agent Example

const ogs = require("open-graph-scraper");
const options = {
  url: "https://twitter.com/elonmusk/status/1364826301027115008",
  headers: {
    "user-agent": "Googlebot/2.1 (+http://www.google.com/bot.html)",
  },
};
ogs(options, (error, results) => {
  console.log("error:", error); // This returns true or false. True if there was an error. The error itself is inside the results object.
  console.log("results:", results); // This contains all of the Open Graph results
});

Tests

Then you can run the tests by running...

npm run test