Webhook deployer for static websites from GitHub/GitLab

webhook-getter.php

<?php
// This script require to be added in the Webhook section of you repo
// It will download the repository defined in the url in the path defined in the url
// For safety reasons is required a token in the url and will check the repo owner

// Note GitHub/GitLab generate zip files with a folder on it so it isn't enough to decomrpess them
// You need to get that content and a temporary folder is required to mvoe those files

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
$TOKEN = 'yourtokenastrangestringtouseingetrequests';

function rrmdir($src) {
    $dir = opendir($src);
    while(false !== ( $file = readdir($dir)) ) {
        if (( $file != '.' ) && ( $file != '..' )) {
            $full = $src . '/' . $file;
            if ( is_dir($full) ) {
                rrmdir($full);
            }
            else {
                unlink($full);
            }
        }
    }
    closedir($dir);
    rmdir($src);
}

function rcopy($src, $dst) {
    if (file_exists ( $dst ))
        rrmdir( $dst );
    if (is_dir ( $src )) {
        mkdir( $dst );
        $files = scandir ( $src );
        foreach ( $files as $file ) {
            if ($file !== "." && $file !== "..") {
                rcopy( "$src/$file", "$dst/$file" );
            }
        }
    } else if (file_exists ( $src )) {
        copy( $src, $dst );
    }
}

function downloadUnzipGetContents( $url, $where ) {
    $f = file_put_contents("./temp.zip", fopen($url, 'r'), LOCK_EX);
    echo "Downloading in progress\n";
    if(FALSE === $f)
        die("Couldn't write to file.");
    $zip = new ZipArchive;
    $res = $zip->open('temp.zip');
    if ($res === TRUE) {
        $zip->extractTo('./temp');
        $zip->close();
    }
    
    $files = array_diff(scandir('./temp'), array('.', '..'));
    $dir = './temp/' . $files[2];
    unlink('temp.zip');
    echo "Creating the folder and moving the files\n";
    # create folder, cd inside the unique subfolder from the zip and move all the files in the parent
    rcopy($dir, $where);
    rrmdir('./temp');
}

if ( isset( $_GET['repo'], $_GET['where'], $_GET[ 'token' ] ) && !empty( $_GET['repo'] ) && !empty( $_GET['where'] ) && $_GET[ 'token' ] === $TOKEN ) {
    $repo = $_GET['repo'];
    // This is just for safety in case someone found the token and want to deploy something but will check the repo owner by the url
    if ( substr( $repo, 0, 6 ) === 'your-organization/' ) {
        echo "Request blocked";
        die();
    }
    
    $repo = str_replace( '/', '%2F', $repo );
    $where = $_GET['where'];
    // For gitlab
    $url = 'https://gitlab.com/api/v4/projects/' . $repo . '/repository/archive.zip';
    // For github
    $url = 'https://github.com/' . $repo . '/archive/refs/heads/master.zip';
    downloadUnzipGetContents( $url, $where );
} else {
    echo "What are you trying to do?";
    die();
}