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lrq3000/zip-import.php

Created December 6, 2014 19:12
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  1. lrq3000 created this gist Dec 6, 2014.
    115 changes: 115 additions & 0 deletions zip-import.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,115 @@
    <?php // Import a zip file and extract it
    $custom_max_time = 10;
    $custom_wait_time = 45;
    $random_wait_time = 5; // plus or minus this value. Set to 0 or false to disable.

    $time_start = time();
    $max_time = ini_get("max_execution_time");
    $wait_time = 5;

    if (!empty($custom_max_time) and $custom_max_time > 0 and $custom_max_time < $max_time) $max_time = $custom_max_time;
    if (!empty($custom_wait_time) and $custom_wait_time > 0) $wait_time = $custom_wait_time;

    $url = $_POST['url'];
    // get the absolute path to file url
    $url = pathinfo(realpath($url), PATHINFO_DIRNAME).'/'.$url;
    $name = $_POST['name'];
    if (isset($_POST['unzip'])) {
    $zip = new ZipArchive;
    $res = $zip->open("$url");
    if ($res === TRUE) {
    $zip->extractTo('./');
    $zip->close();
    echo "zip file extracted!";
    } else {
    echo "ERROR: FILE NOT EXTRACTED!";
    }
    } elseif (isset($_POST['import'])) {
    copy("$url","./$name");
    } elseif (isset($_POST['unzip_chunks'])) {
    $filename = $url;
    $archive = zip_open($filename);
    while($entry = zip_read($archive)){
    $size = zip_entry_filesize($entry);
    $name = zip_entry_name($entry);
    $unzipped = fopen('./'.$name,'wb');
    while($size > 0){
    $chunkSize = ($size > 10240) ? 10240 : $size;
    $size -= $chunkSize;
    $chunk = zip_entry_read($entry, $chunkSize);
    if($chunk !== false) fwrite($unzipped, $chunk);
    }

    fclose($unzipped);
    }
    } elseif (isset($_POST['unzip_chunks2']) or isset($_GET['unzip_chunks2'])) {
    $orig_url = $_POST['url'];
    if (empty($orig_url)) {
    $orig_url = $_GET['url'];
    }
    if (isset($_GET['unzip_chunks2'])) {
    $url = $_GET['url'];
    $url = pathinfo(realpath($url), PATHINFO_DIRNAME).'/'.$url;
    }
    if (isset($_GET['last_index'])) {
    $last_index = $_GET['last_index'];
    } else {
    $last_index = 0;
    }
    $zip = new ZipArchive;
    if ($zip->open($url) === true) {

    //make all the folders
    if (!empty($last_index)) {
    for($i = 0; $i < $zip->numFiles; $i++) {
    $OnlyFileName = $zip->getNameIndex($i);
    $FullFileName = $zip->statIndex($i);
    if ($FullFileName['name'][strlen($FullFileName['name'])-1] =="/") {
    @mkdir("./".$FullFileName['name'],0700,true);
    }
    }
    }

    //unzip into the folders
    for($i = $last_index; $i < $zip->numFiles; $i++) {
    if ( (time() - $time_start) > ($max_time-5) ) {
    $zip->close();
    $redirect_url = "http://".$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME'].'?unzip_chunks2=true&url='.$orig_url.'&last_index='.$i;
    $w_time = $wait_time;
    if ($random_wait_time > 0) $w_time = $wait_time + rand(1, $random_wait_time);
    ?>
    <html>
    <head>
    <meta http-equiv="refresh" content="<?php print($w_time) ?>; url=<?php print($redirect_url); ?>" />
    </head>
    <body>
    The unzipping takes too much time, I have to split the work in several calls. You should be automatically redirected in <?php print($w_time) ?> seconds, if not, please <a href="<?php print($redirect_url); ?>">click here to continue the unzipping</a>.
    </body>
    </html>
    <?php
    exit(); // make sure we stop processing here
    }

    $OnlyFileName = $zip->getNameIndex($i);
    $FullFileName = $zip->statIndex($i);

    if (!($FullFileName['name'][strlen($FullFileName['name'])-1] =="/")) {
    copy('zip://'. $url .'#'. $OnlyFileName , "./".$FullFileName['name'] );
    }
    }
    $zip->close();
    } else {
    echo "Error: Can't open zip file: ".$url;
    }
    }
    ?>
    <html>
    <u><b>IMPORT</u></b><br />
    <form method="post" action="">URL:<br /><input type="text" name="url"><br />SAVE AS:<br /><input name="name"><br /><input type="submit" name="import"></form>
    <br /><u><b>UNZIP</u></b><br />*make sure zip file is inside public_html folder<br />
    <form method="post" action="">FILE:<br /><input type="text" name="url" value="file.zip"><br /><input type="submit" name="unzip"></form>
    <u><b>UNZIP BY CHUNKS</u></b><br />*make sure zip file is inside public_html folder<br />
    <form method="post" action="">FILE:<br /><input type="text" name="url" value="file.zip"><br /><input type="submit" name="unzip_chunks"></form>
    <u><b>UNZIP BY CHUNKS 2</u></b><br />*make sure zip file is inside public_html folder<br />
    <form method="post" action="">FILE:<br /><input type="text" name="url" value="file.zip"><br /><input type="submit" name="unzip_chunks2"></form>
    </html>