How to host google web fonts on my own server?

Question

I need to use some google fonts on an intranet application. The clients may or may not have internet connection. Reading the license terms, it appears that its legally allo

Answer 1

You may follow the script which is developed using PHP. Where you can download any google fonts by using the script. It will download the fonts and create a CSS file and archive to zip.
You can download the source code from the GitHub https://github.com/sourav101/google-fonts-downloader

$obj = new GoogleFontsDownloader;

if(isset($_GET['url']) && !empty($_GET['url']))
{
    $obj->generate($_GET['url']);
}

if(isset($_GET['download']) && !empty($_GET['download']) && $_GET['download']=='true')
{
    $obj->download();
}

---

/**
* GoogleFontsDownloader
* Easy way to download any google fonts.
* @author     Shohrab Hossain
* @version    1.0.0 
*/
class GoogleFontsDownloader
{
    private $url      = '';
    private $dir      = 'dist/';
    private $fontsDir = 'fonts/';
    private $cssDir   = 'css/';
    private $fileName = 'fonts.css';
    private $content  = '';
    private $errors   = '';
    private $success  = '';
    public  $is_downloadable  = false;

    public function __construct()
    {
        ini_set('allow_url_fopen', 'on');
        ini_set('allow_url_include', 'on');
    }

    public function generate($url = null)
    {
        if (filter_var($url, FILTER_VALIDATE_URL) === FALSE) 
        {
            $this->errors .= "
Invalid url! $url
";
        }
        else
        {
            $this->url = $url;
            // delete previous files
            $this->_destroy();
            // write font.css
            $this->_css();
            // write fonts
            $this->_fonts();
            // archive files
            $this->_archive();
        }  
        // show all messages
        $this->_message();
    }

    public function download()
    { 
        // Download the created zip file
        $zipFileName = trim($this->dir, '/').'.zip';
        if (file_exists($zipFileName))
        {
            header("Content-type: application/zip");
            header("Content-Disposition: attachment; filename = $zipFileName");
            header("Pragma: no-cache");
            header("Expires: 0");
            readfile("$zipFileName");

            // delete file 
            unlink($zipFileName);
            array_map('unlink', glob("$this->dir/*.*"));
            rmdir($this->dir);

        } 
    }   

    private function _archive()
    {
        if (is_dir($this->dir))
        {
            $zipFileName = trim($this->dir, '/').'.zip';
            $zip = new \ZipArchive(); 
            if ($zip->open($zipFileName, ZipArchive::CREATE) === TRUE) 
            {
                $zip->addGlob($this->dir. "*.*");
                $zip->addGlob($this->dir. "*/*.*");
                if ($zip->status == ZIPARCHIVE::ER_OK)
                {
                    $this->success .= '
Zip create successful!
';
                    $this->is_downloadable = true;
                }
                else 
                {
                    $this->errors .= '
Failed to create to zip
';
                } 
            } 
            else 
            {
                $this->errors .= '
ZipArchive not found!
';
            }  
            $zip->close(); 
        }
        else
        {
            $this->errors .= "
File not exists!
";
        } 
    }   

    private function _css()
    {  
        $filePath = $this->dir.$this->cssDir.$this->fileName;
        $content  = $this->_request($this->url);
        if (!empty($content))
        {
            if (file_put_contents($filePath, $content))
            {
                $this->success .= "
$this->fileName generated successful!
";
                $this->content = $content; 
            }
            else
            {
                $this->errors .= '
Permission errro in $this->fileName! Unable to write $filePath.
';
            }
        }
        else
        {
            $this->errors .= '
Unable to create fonts.css file!
';
        }
    }

    private function _fonts()
    {
        if (!empty($this->content))
        {
            preg_match_all('#\bhttps?://[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/))#', $this->content, $match);
            $gFontPaths = $match[0];
            if (!empty($gFontPaths) && is_array($gFontPaths) && sizeof($gFontPaths)>0)
            {
                $count = 0;
                foreach ($gFontPaths as $url) 
                {
                    $name     = basename($url);
                    $filePath = $this->dir.$this->fontsDir.$name;
                    $this->content = str_replace($url, '../'.$this->fontsDir.$name, $this->content);

                    $fontContent  = $this->_request($url);
                    if (!empty($fontContent))
                    {
                        file_put_contents($filePath, $fontContent);
                        $count++;
                        $this->success .= "
The font $name downloaded!
";
                    }
                    else
                    {
                        $this->errors .= "
Unable to download the font $name!
";
                    } 
                }

                file_put_contents($this->dir.$this->cssDir.$this->fileName, $this->content);
                $this->success .= "
Total $count font(s) downloaded!
";
            }
        }
    }

    private function _request($url)
    {
        $ch = curl_init(); 
        curl_setopt_array($ch, array(
            CURLOPT_SSL_VERIFYPEER => FALSE,
            CURLOPT_HEADER         => FALSE,
            CURLOPT_FOLLOWLOCATION => TRUE,
            CURLOPT_URL            => $url,
            CURLOPT_REFERER        => $url,
            CURLOPT_RETURNTRANSFER => TRUE,
        ));
        $result = curl_exec($ch);
        curl_close($ch);

        if (!empty($result))
        {
            return $result;
        } 
        return false;
    }

    private function _destroy()
    {
        $cssPath = $this->dir.$this->cssDir.$this->fileName;
        if (file_exists($cssPath) && is_file($cssPath))
        {
            unlink($cssPath);
        } 
        else
        {
            mkdir($this->dir.$this->cssDir, 0777, true);
        }

        $fontsPath = $this->dir.$this->fontsDir;
        if (!is_dir($fontsPath))
        {
            mkdir($fontsPath, 0777, true);
        }
        else
        {
            array_map(function($font) use($fontsPath) {
                if (file_exists($fontsPath.$font) && is_file($fontsPath.$font))
                {
                    unlink($fontsPath.$font);
                }
            }, glob($fontsPath.'*.*')); 
        }
    }

    private function _message()
    {
        if (strlen($this->errors)>0)
        {
            echo "
$this->errors
";
        }  
        if (strlen($this->success)>0)
        {
            echo "
$this->success
";
        } 
    } 
}