download manga

gistfile1.txt

<?php

include 'vendor/autoload.php';

use Dompdf\Dompdf;

$DOMAIN = 'http://manga-scan.com';

function printPdf($manga_name) {

    date_default_timezone_set('Asia/Ho_Chi_Minh');

    $html = '';

    $pdf_dir = 'download/' . $manga_name . '/pdf';
    createDir($pdf_dir);

    $start = 0;

    $total = 0;

    // Scan each folder for images. Each folder is corresponding to a chapter.
    for($a = 0; $a<10000;$a++) {
        $dir = 'download/' . $manga_name . '/' . sprintf("%04.0f",$a);

        // The folder of this chapter doesn't exist ?
        // It is because we have already processed the last chapter.
        if(!file_exists($dir)) break;

        $names = scandir($dir);

        // All images of this chapter will be added to html for printing.
        foreach($names as $name) {
            $file = $dir . '/' . $name;
            if(!file_exists($file) || !is_file($file)) continue;
            $html .= '<img src="'.$file.'">';
        }

        $total += count($names);

        // Each pdf file must not contain too much images, 200 pages are good enough.
        if($total > 200) {
            $pdf_file = $pdf_dir . '/' . $manga_name . '_chap_'. $start .'-' . $a  . '.pdf';

            // Does this pdf file already exist ? Skip it.
            if(file_exists($pdf_file)) {
                $html = '';
                $start = $a + 1;
                continue;
            }

            print 'Saving pdf ' . $pdf_file . PHP_EOL;

            // instantiate and use the dompdf class
            $dompdf = new Dompdf();
            $dompdf->loadHtml($html);

            // Render the HTML as PDF
            $dompdf->render();

            // Output the generated PDF to Browser
            file_put_contents($pdf_file,$dompdf->output());

            $html = '';
            $start = $a + 1;
            $total = 0;
        }
    }

    if(!empty($html)) {

        $pdf_file = $pdf_dir . '/' . $manga_name . '_chap_'. $start .'-' . ($a - 1)  . '.pdf';
        if(file_exists($pdf_file)) return;
        print 'Saving pdf ' . $pdf_file . PHP_EOL;

        // instantiate and use the dompdf class
        $dompdf = new Dompdf();
        $dompdf->loadHtml($html);

        // Render the HTML as PDF
        $dompdf->render();

        // Output the generated PDF to Browser
        file_put_contents($pdf_file,$dompdf->output());
    }
}

function createDir($dir) {
    if(!file_exists($dir)) {
        $result = mkdir($dir);
        if($result == false) {
            throw new Exception("Cannot create '$dir' directory");
        }
        $result = chmod($dir,0777);
        if($result == false) {
            throw new Exception("Cannot set mod 777 for '$dir' directory");
        }
    }
}

function run() {
    global $argv;
    global $DOMAIN;
    if(count($argv) < 2) {
        print 'Please specify link for download' . PHP_EOL;
        return;
    }

    $DOWNLOAD_DIR = 'download';

    createDir($DOWNLOAD_DIR);

    $link = $argv[1];

    $info = pathinfo($link);

    $manga_name = $info['filename'];
    $save_to = $DOWNLOAD_DIR . '/' . $manga_name;
    createDir($save_to);

    print 'Retrieving all chapter links...' . PHP_EOL;
    $qp = html5qp($link);
    $chap_nodes = $qp->find('.divContenuCentre .floatLeft.cacheOverflow a');
    $chap_links = '';

    foreach($chap_nodes as $chap_node)
        $chap_links[] = $DOMAIN . $chap_node->attr('href');

    foreach($chap_links as $index => $chap_link)
        downloadChap($index,$chap_link,$save_to);

    printPdf($manga_name);
}

function downloadChap($chap_index,$chap_link,$save_to) {

    $dir = $save_to . '/' . sprintf("%04.0f",$chap_index);
    createDir($dir);

    print 'Retrieving number of pages of chapter '.($chap_index + 1).'...' . PHP_EOL;
    $qp = htmlqp($chap_link);
    $total_page = intval($qp->find('#divFormNbImages')->text());
    print "Ready to download $total_page pages" . PHP_EOL;

    for($a=0;$a<$total_page;$a++) {

        $saved_img = $dir . '/' . sprintf("%04.0f",$a);
        if(file_exists($saved_img . '.png') || file_exists($saved_img . '.jpg') || file_exists($saved_img . '.jpeg')) {
            continue;
        }

        $link = $chap_link . '?page=' . ($a + 1);

        print 'Accessing web page ' . $link . PHP_EOL;
        $qp = html5qp($link);

        $src = $qp->find('#divLectureContenu img')->attr('src');

        $info = pathinfo($src);
        $file_path = $saved_img . '.' . $info['extension'];
        if(file_exists($file_path)) continue;
        if(empty($info['extension'])) continue;

        $src = 'http://manga-scan.com' . $src;

        print 'Downloading image...' . PHP_EOL;
        $img = file_get_contents(str_replace(' ','%20',$src));

        file_put_contents($file_path,$img);
    }
}

run();