lrq3000/zip-import.php

## zip-import.php
<?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>
	<?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>