Will inject the location of a Toran proxy server to an existing composer.json and composer.lock file.

ComposerToranInjection.php

<?php
    
define('TORAN_SERVER', 'toran.local');

$json = file_get_contents('composer.json');
$obj = json_decode($json);

if (!property_exists($obj, 'repositories')) {
    $obj->repositories = [];
}
$repos = $obj->repositories;
$index = count($repos);

$repos[$index++] = json_decode('{"type": "composer", "url": "http://' . TORAN_SERVER . '/repo/private/"}');
$repos[$index++] = json_decode('{"type": "composer", "url": "http://' . TORAN_SERVER . '/repo/packagist/"}');
$repos[$index++] = json_decode('{"packagist": false}');

$obj->repositories = $repos;

file_put_contents('composer.json', json_encode($obj, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));

if (!file_exists('composer.lock')) {
    exit;
}

$json = file_get_contents('composer.lock');
$obj = json_decode($json);

if (!property_exists($obj, 'packages')) {
    exit;
}

foreach ($obj->packages as &$package) {
    if (property_exists($package, 'source')) {
        $package->source->mirrors = json_decode('[
                {
                    "url": "/%package%/%normalizedUrl%.%type%",
                    "preferred": true
                }
            ]');
    };
    if (property_exists($package, 'dist')) {
        $package->dist->mirrors = json_decode('[
                {
                    "url": "http://' . TORAN_SERVER . '/repo/packagist/dists/%package%/%version%/%reference%.%type%",
                    "preferred": true
                }
            ]');
    };
}

file_put_contents('composer.lock', json_encode($obj, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));