Anjanesh Lekshminarayanan
Anjanesh

Anjanesh

Retrieving data from a privately owned Google Spreadsheet via API without OAuth

Using Google Cloud's Service Account via PHP

Anjanesh Lekshminarayanan's photo
Anjanesh Lekshminarayanan
·Aug 20, 2022·

5 min read

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This is a sequel to my previous blog post on Retrieving data from a public Google Spreadsheet and display it on a webpage. Only, this time, we're using a server-side code (PHP) to fetch the data from the Google Spreadsheet since : not only do we not want the end-user to 'know' the Spreadsheet URL, we can't expose the Google Cloud API details in the browser to fetch.

Goto : console.cloud.google.com/apis

Create a project or select an existing project > APIs & Services > Enable APIs and Services > Google Sheets > Enable

Create Credentials > Service Account

create-credentials.webp

Copy the service account email and share the privately owned Google Spreadsheet with this email address - this is the most important point in this article.

service-account-details.webp

Again, its the newly created Service Account's Email Address that needs to be copied and share this Email Address (circled in red) with the your private Google Sheet document :

email.webp

Now, goto Keys and create a new key.

shets-keys.webp

Create Private Key and download the JSON file - save it as credentials.json - This JSON file cannot be recovered later on at any point of time, if lost. So, store this carefully.

create-private-key.webp

php composer.php require google/apiclient

touch google-api-sheets.php

Edit google-api-sheets.php : (developers.google.com/sheets/api/quickstart..)

<?php
require __DIR__ . '/vendor/autoload.php';
use Google\Client;

$client = new Google\Client();
$client->setApplicationName('Google Sheets API Service Account');
$client->setScopes('https://www.googleapis.com/auth/spreadsheets');
$client->setAuthConfig('credentials.json'); // This the location of your JSON file downloaded from Google Cloud's Service Account Credentials

$service = new Google\Service\Sheets($client);

// https://docs.google.com/spreadsheets/d/1zwblTR5DWzgOiVxsDYJJkP5Gcmi4OGiCtldI0nyxZGo/edit
try {
    $spreadsheetId = '1zwblTR5DWzgOiVxsDYJJkP5Gcmi4OGiCtldI0nyxZGo';

    //  This is the sheet name with cell-values range for example $range = 'content-pages!A1:B15';
    $range = 'Sheet1';

    $response = $service->spreadsheets_values->get($spreadsheetId, $range);
    $values = $response->getValues();

    if (empty($values)) {
        print "No data found.\n";
    } else {
        print_r($values);
    }
}
catch(Exception $e) {
    // TODO(developer) - handle error appropriately
    echo 'Message: ' .$e->getMessage();
}
?>

php google-api-sheets.php

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PS: The Google Spreadsheet mentioned here is a publicly shared one and not a private one because I used this same spreadsheetId is the previous blog post. You can update the $spreadsheetId with your private Google Spreadsheet ID in the code above. It should still work.

 
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