*
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see .
 */
/*
 * This file permits to easyly script file sending, receiving, deleting, ...
 * If you don't want this feature, you can simply delete this file from your
 * web directory.
 */
define ('JIRAFEAU_ROOT', dirname (__FILE__) . '/');
require (JIRAFEAU_ROOT . 'lib/settings.php');
require (JIRAFEAU_ROOT . 'lib/functions.php');
require (JIRAFEAU_ROOT . 'lib/lang.php');
 global $script_langages;
 $script_langages = array ('bash' => 'Bash');
/* Operations may take a long time.
 * Be sure PHP's safe mode is off.
 */
@set_time_limit(0);
/* Remove errors. */
@error_reporting(0);
if ($_SERVER['REQUEST_METHOD'] == "GET" && count ($_GET) == 0)
{
    require (JIRAFEAU_ROOT . 'lib/template/header.php');
    check_errors ($cfg);
    if (has_error ())
    {
        show_errors ();
        require (JIRAFEAU_ROOT . 'lib/template/footer.php');
        exit;
    }
    ?>
    
    Scripting interface
    This interface permits to script your uploads and downloads.
    See source code of this interface to get available calls :)
    Alternatively, go to this page to download a bash script.
     
    
     0 &&
        $_FILES['file']['size'] > $cfg['maximal_upload_size'] * 1024 * 1024)
    {
        echo 'Error 5: Your file exceeds the maximum authorized file size.';
        exit;
    }
    $res = jirafeau_upload ($_FILES['file'],
                            isset ($_POST['one_time_download']),
                            $key, $time, get_ip_address($cfg),
                            $cfg['enable_crypt'], $cfg['link_name_length']);
    if (empty($res) || $res['error']['has_error'])
    {
        echo 'Error 6 ' . $res['error']['why'];
        exit;
    }
    /* Print direct link. */
    echo $res['link'];
    /* Print delete link. */
    echo NL;
    echo $res['delete_link'];
    /* Print decrypt key. */
    echo NL;
    echo urlencode($res['crypt_key']);
}
elseif (isset ($_GET['h']))
{
    $link_name = $_GET['h'];
    $key = '';
    if (isset ($_POST['key']))
        $key = $_POST['key'];
    $d = '';
    if (isset ($_GET['d']))
        $d = $_GET['d'];
    if (!preg_match ('/[0-9a-zA-Z_-]+$/', $link_name))
    {
        echo 'Error 7';
        exit;
    }
    $link = jirafeau_get_link ($link_name);
    if (count ($link) == 0)
    {
        echo 'Error 8';
        exit;
    }
    if (strlen ($d) > 0 && $d == $link['link_code'])
    {
        jirafeau_delete_link ($link_name);
        echo "Ok";
        exit;
    }
    if ($link['time'] != JIRAFEAU_INFINITY && time () > $link['time'])
    {
        jirafeau_delete_link ($link_name);
        echo 'Error 9';
        exit;
    }
    if (strlen ($link['key']) > 0 && md5 ($key) != $link['key'])
    {
        sleep (2);
        echo 'Error 10';
        exit;
    }
    $p = s2p ($link['md5']);
    if (!file_exists (VAR_FILES . $p . $link['md5']))
    {
        echo 'Error 11';
        exit;
    }
    /* Read file. */
    header ('Content-Length: ' . $link['file_size']);
    header ('Content-Type: ' . $link['mime_type']);
    header ('Content-Disposition: attachment; filename="' .
            $link['file_name'] . '"');
    $r = fopen (VAR_FILES . $p . $link['md5'], 'r');
    while (!feof ($r))
    {
        print fread ($r, 1024);
        ob_flush();
    }
    fclose ($r);
    if ($link['onetime'] == 'O')
        jirafeau_delete_link ($link_name);
    exit;
}
elseif (isset ($_GET['get_capacity']))
{
    echo min (jirafeau_ini_to_bytes (ini_get ('post_max_size')),
              jirafeau_ini_to_bytes (ini_get ('upload_max_filesize')));
}
elseif (isset ($_GET['get_maximal_upload_size']))
{
    echo $cfg['maximal_upload_size'];
}
elseif (isset ($_GET['get_version']))
{
    echo JIRAFEAU_VERSION;
}
elseif (isset ($_GET['lang']))
{
    $l=$_GET['lang'];
    if ($l == "bash")
    {
?>
#!/bin/bash
# This script has been auto-generated by Jirafeau but you can still edit options below.
# Config begin
proxy='' # Or set JIRAFEAU_PROXY.
url='' # Or set JIRAFEAU_URL.
time='' # Or set JIRAFEAU_TIME.
one_time='' # Or set JIRAFEAU_ONE_TIME.
curl='' # Or set JIRAFEAU_CURL_PATH.
# Config end
if [ -n "$JIRAFEAU_PROXY" ]; then
    proxy="$JIRAFEAU_PROXY"
fi
if [ -n "$JIRAFEAU_URL" ]; then
    url="$JIRAFEAU_URL"
fi
if [ -z "$url" ]; then
    echo "Please set url in script parameters or export JIRAFEAU_URL"
fi
if [ -n "$JIRAFEAU_TIME" ]; then
    time="$JIRAFEAU_TIME"
fi
if [ -n "$JIRAFEAU_ONE_TIME" ]; then
    one_time='1'
fi
if [ -z "$curl" ]; then
    curl="$JIRAFEAU_CURL_PATH"
fi
if [ -z "$curl" ] && [ -e "/usr/bin/curl" ]; then
    curl="/usr/bin/curl"
fi
if [ -z "$curl" ] && [ -e "/bin/curl.exe" ]; then
    curl="/bin/curl.exe"
fi
if [ -z "$curl" ]; then
    echo "Please set your curl binary path (by editing this script or export JIRAFEAU_CURL_PATH global variable)."
    exit
fi
if [ -z "$2" ]; then
    echo "Jirafeau Bash Script "
    echo "--------------------------"
    echo "Usage:"
    echo "    $0 OPTIONS"
    echo
    echo "Options:"
    echo "    $0 send FILE [PASSWORD]"
    echo "    $0 get URL [PASSWORD]"
    echo "    $0 delete URL"
    echo
    echo "Global variables to export:"
    echo "    JIRAFEAU_PROXY: Domain and port of proxy server, eg. »proxysever.example.com:3128«"
    echo "    JIRAFEAU_URL : URI to Jirafeau installation with trailing slash, eg. »https://example.com/jirafeau/«"
    echo "    JIRAFEAU_TIME : expiration time, eg. »minute«, »hour«, »day«, »week«, »month«, »quarter«, »year« or »none«"
    echo "    JIRAFEAU_ONE_TIME : self-destroy after first download, eg. »1« to enable or »« (empty) to disable"
    echo "    JIRAFEAU_CURL : alternative path to curl binary"
    exit 0
fi
if [ -n "$proxy" ]; then
    proxy="-x $proxy"
fi
options=''
if [ -n "$one_time" ]; then
    options="$options -F one_time_download=1"
fi
password=''
if [ -n "$3" ]; then
    password="$3"
    options="$options -F key=$password"
fi
apipage='script.php'
downloadpage='f.php'
if [ "$1" == "send" ]; then
    if [ ! -f "$2" ]; then
        echo "File \"$2\" does not exists."
        exit
    fi
    # Ret result
    res=$($curl -X POST --http1.0 $proxy $options \
                  -F "time=$time" \
                  -F "file=@$2" \
                  $url$apipage)
    if [[ "$res" == Error* ]]; then
        echo "Error while uploading."
        echo $res
        exit
    fi
    # Not using head or tail to minimise command dependencies
    code=$(cnt=0; echo "$res" | while read l; do
        if [[ "$cnt" == "0" ]]; then
            echo "$l"
        fi
        cnt=$(( cnt + 1 ))
        done)
    del_code=$(cnt=0; echo "$res" | while read l; do
        if [[ "$cnt" == "1" ]]; then
            echo "$l"
        fi
        cnt=$(( cnt + 1 ))
        done)
    echo
    echo "Download page:"
    echo "    ${url}${downloadpage}?h=$code"
    echo "Direct download:"
    echo "    ${url}${downloadpage}?h=$code&d=1"
    echo "Delete link:"
    echo "    ${url}${downloadpage}?h=$code&d=$del_code"
    echo
    echo "Download via API:"
    echo "    ${0} get ${url}${apipage}?h=$code [PASSWORD}"
    echo "Delete via API:"
    echo "    ${0} delete ${url}${downloadpage}?h=$code&d=$del_code"
elif [ "$1" == "get" ]; then
    if [ -z "$password" ]; then
        $curl $proxy -OJ "$2"
    else
        $curl $proxy -OJ -X POST -F key=$password "$2"
    fi
elif [ "$1" == "delete" ]; then
    $curl $proxy "$2"
fi