script.php

   1 <?php
   2 /*
   3  *  Jirafeau, your web file repository
   4  *  Copyright (C) 2008  Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
   5  *  Copyright (C) 2015  Jerome Jutteau <jerome@jutteau.fr>
   6  *  Copyright (C) 2024  Jirafeau project <https://gitlab.com/jirafeau> (see AUTHORS.md)
   7  *
   8  *  This program is free software: you can redistribute it and/or modify
   9  *  it under the terms of the GNU Affero General Public License as
  10  *  published by the Free Software Foundation, either version 3 of the
  11  *  License, or (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU Affero General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU Affero General Public License
  19  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  20  */
  21
  22 /* This file offer a kind of API for jirafeau. */
  23
  24 define('JIRAFEAU_ROOT', dirname(__FILE__) . '/');
  25
  26 require(JIRAFEAU_ROOT . 'lib/settings.php');
  27 require(JIRAFEAU_ROOT . 'lib/functions.php');
  28 require(JIRAFEAU_ROOT . 'lib/lang.php');
  29
  30 global $script_langages;
  31 $script_langages = array('bash' => 'Bash');
  32
  33 /* Operations may take a long time.
  34  * Be sure PHP's safe mode is off.
  35  */
  36 @set_time_limit(0);
  37
  38 if ($_SERVER['REQUEST_METHOD'] == "GET" && count($_GET) == 0) {
  39     require(JIRAFEAU_ROOT . 'lib/template/header.php');
  40     check_errors($cfg);
  41     if (has_error()) {
  42         show_errors();
  43         require(JIRAFEAU_ROOT . 'lib/template/footer.php');
  44         exit;
  45     } ?>
  46     <div class="info">
  47     <h2>Scripting interface</h2>
  48     <p>This interface permits to script your uploads and downloads.</p>
  49     <p>See <a href="<?php echo JIRAFEAU_WEBSITE ?>/blob/master/script.php">source code</a> of this interface to get available calls :)</p>
  50     <p>You may download a preconfigured <a href="script.php?lang=bash">Bash Script</a> to easily send to and get files from the API via command line.</p>
  51     </div>
  52     <br />
  53     <?php
  54     require(JIRAFEAU_ROOT . 'lib/template/footer.php');
  55     exit;
  56 }
  57
  58 /* Lets use interface now. */
  59 header('Content-Type: text/plain; charset=utf-8');
  60
  61 check_errors($cfg);
  62 if (has_error()) {
  63     echo 'Error 1';
  64     exit;
  65 }
  66
  67 session_start();
  68
  69 /* Upload file */
  70 if (isset($_FILES['file']) && is_writable(VAR_FILES)
  71     && is_writable(VAR_LINKS)) {
  72     if (!jirafeau_user_session_logged()) {
  73         if (isset($_POST['upload_password']) &&
  74             !jirafeau_challenge_upload($cfg, get_ip_address($cfg), $_POST['upload_password'])) {
  75             echo 'Error 3: Invalid password';
  76             exit;
  77         } elseif (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), null)) {
  78             echo 'Error 2: No password nor allowed IP';
  79             exit;
  80         }
  81     }
  82
  83     $key = '';
  84     if (isset($_POST['key'])) {
  85         $key = $_POST['key'];
  86         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex') {
  87             if (!preg_match($cfg['download_password_policy_regex'], $key)) {
  88                 echo 'Error 14: The download password is not complying to the security standards.';
  89                 exit;
  90             }
  91         }
  92     } elseif ($cfg['download_password_requirement'] !== 'optional') {
  93         echo 'Error 13: The parameter password is required.';
  94         exit;
  95     }
  96
  97     if (!isset($_POST['time']) || !$cfg['availabilities'][$_POST['time']]) {
  98         echo 'Error 4: The parameter time is invalid.';
  99         exit;
 100     } else {
 101         $time = jirafeau_datestr_to_int($_POST['time']);
 102     }
 103
 104     // Check file size
 105     if ($cfg['maximal_upload_size'] > 0 &&
 106         $_FILES['file']['size'] > $cfg['maximal_upload_size'] * 1024 * 1024) {
 107         echo 'Error 5: Your file exceeds the maximum authorized file size.';
 108         exit;
 109     }
 110
 111     // Check if one time download is enabled
 112     if (!$cfg['one_time_download'] && isset($_POST['one_time_download'])) {
 113         echo 'Error 26: One time download is disabled.';
 114         exit;
 115     }
 116
 117     if ($cfg['store_uploader_ip']) {
 118         $ip = get_ip_address($cfg);
 119     } else {
 120         $ip = "";
 121     }
 122
 123     $res = jirafeau_upload(
 124         $_FILES['file'],
 125         isset($_POST['one_time_download']),
 126         $key,
 127         $time,
 128         $ip,
 129         $cfg['enable_crypt'],
 130         $cfg['link_name_length'],
 131         $cfg['file_hash']
 132     );
 133
 134     if (empty($res) || $res['error']['has_error']) {
 135         echo 'Error 6 ' . $res['error']['why'];
 136         exit;
 137     }
 138     /* Print direct link. */
 139     echo $res['link'];
 140     /* Print delete link. */
 141     echo NL;
 142     echo $res['delete_link'];
 143     /* Print decrypt key. */
 144     echo NL;
 145     echo urlencode($res['crypt_key']);
 146 } elseif (isset($_GET['h'])) {
 147     $link_name = $_GET['h'];
 148     $key = '';
 149     if (isset($_POST['key'])) {
 150         $key = $_POST['key'];
 151         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex') {
 152             if (!preg_match($cfg['download_password_policy_regex'], $key)) {
 153                 echo 'Error 14: The download password is not complying to the security standards.';
 154                 exit;
 155             }
 156         }
 157     } elseif ($cfg['download_password_requirement'] !== 'optional') {
 158         echo 'Error 13: The parameter password is required.';
 159         exit;
 160     }
 161     $d = '';
 162     if (isset($_GET['d'])) {
 163         $d = $_GET['d'];
 164     }
 165
 166     if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) {
 167         echo 'Error 7';
 168         exit;
 169     }
 170
 171     $link = jirafeau_get_link($link_name);
 172     if (count($link) == 0) {
 173         echo 'Error 8';
 174         exit;
 175     }
 176     if (strlen($d) > 0 && $d == $link['link_code']) {
 177         jirafeau_delete_link($link_name);
 178         echo "Ok";
 179         exit;
 180     }
 181     if ($link['time'] != JIRAFEAU_INFINITY && time() > $link['time']) {
 182         jirafeau_delete_link($link_name);
 183         echo 'Error 9';
 184         exit;
 185     }
 186     if (strlen($link['key']) > 0 && md5($key) != $link['key']) {
 187         sleep(2);
 188         echo 'Error 10';
 189         exit;
 190     }
 191     $p = s2p($link['hash']);
 192     if (!file_exists(VAR_FILES . $p . $link['hash'])) {
 193         echo 'Error 11';
 194         exit;
 195     }
 196
 197     /* Read file. */
 198     header('Content-Length: ' . $link['file_size']);
 199     header('Content-Type: ' . $link['mime_type']);
 200     header('Content-Disposition: attachment; filename="' .
 201             $link['file_name'] . '"');
 202
 203     $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
 204     while (!feof($r)) {
 205         print fread($r, 1024);
 206     }
 207     fclose($r);
 208
 209     if ($link['onetime'] == 'O') {
 210         jirafeau_delete_link($link_name);
 211     }
 212     exit;
 213 } elseif (isset($_GET['get_capacity'])) {
 214     echo jirafeau_get_max_upload_size_bytes();
 215 } elseif (isset($_GET['get_maximal_upload_size'])) {
 216     echo $cfg['maximal_upload_size'];
 217 } elseif (isset($_GET['get_version'])) {
 218     echo JIRAFEAU_VERSION;
 219 } elseif (isset($_GET['lang'])) {
 220     $l=$_GET['lang'];
 221     if ($l == "bash") {
 222         ?>
 223 #!/bin/bash
 224
 225 # This script has been auto-generated by Jirafeau but you can still edit options below.
 226
 227 # Config begin
 228 proxy='' # Or set JIRAFEAU_PROXY.
 229 url='<?php echo $cfg['web_root']; ?>' # Or set JIRAFEAU_URL.
 230 time='<?php echo $cfg['availability_default']; ?>' # Or set JIRAFEAU_TIME.
 231 one_time='' # Or set JIRAFEAU_ONE_TIME.
 232 curl='' # Or set JIRAFEAU_CURL_PATH.
 233 upload_password='' # Or set JIRAFEAU_UPLOAD_PASSWD
 234 # Config end
 235
 236 if [ -n "$JIRAFEAU_PROXY" ]; then
 237     proxy="$JIRAFEAU_PROXY"
 238 fi
 239
 240 if [ -n "$JIRAFEAU_URL" ]; then
 241     url="$JIRAFEAU_URL"
 242 fi
 243
 244 if [ -z "$url" ]; then
 245     echo "Please set url in script parameters or export JIRAFEAU_URL"
 246 fi
 247
 248 if [ -n "$JIRAFEAU_TIME" ]; then
 249     time="$JIRAFEAU_TIME"
 250 fi
 251
 252 if [ -n "$JIRAFEAU_ONE_TIME" ]; then
 253     one_time='1'
 254 fi
 255
 256 if [ -n "$JIRAFEAU_UPLOAD_PASSWD" ]; then
 257     upload_password="$JIRAFEAU_UPLOAD_PASSWD"
 258 fi
 259
 260 if [ -z "$curl" ]; then
 261     curl="$JIRAFEAU_CURL_PATH"
 262 fi
 263
 264 if [ -z "$curl" ] && [ -e "/usr/bin/curl" ]; then
 265     curl="/usr/bin/curl"
 266 fi
 267
 268 if [ -z "$curl" ] && [ -e "/bin/curl.exe" ]; then
 269     curl="/bin/curl.exe"
 270 fi
 271
 272 if [ -z "$curl" ]; then
 273     echo "Please set your curl binary path (by editing this script or export JIRAFEAU_CURL_PATH global variable)."
 274     exit
 275 fi
 276
 277 if [ -z "$2" ]; then
 278     echo "Jirafeau Bash Script <?php echo JIRAFEAU_VERSION; ?>"
 279     echo "--------------------------"
 280     echo "Usage:"
 281     echo "    $0 OPTIONS"
 282     echo
 283     echo "Options:"
 284     echo "    $0 send FILE [PASSWORD]"
 285     echo "    $0 get URL [PASSWORD]"
 286     echo "    $0 delete URL"
 287     echo
 288     echo "Global variables to export:"
 289     echo "    JIRAFEAU_PROXY: Domain and port of proxy server, eg. »proxyserver.example.com:3128«"
 290     echo "    JIRAFEAU_URL : URI to Jirafeau installation with trailing slash, eg. »https://example.com/jirafeau/«"
 291     echo "    JIRAFEAU_TIME : expiration time, eg. »minute«, »hour«, »day«, »week«, fortnight, »month«, »quarter«, »year« or »none«"
 292     echo "    JIRAFEAU_ONE_TIME : self-destroy after first download, eg. »1« to enable or »« (empty) to disable"
 293     echo "    JIRAFEAU_CURL : alternative path to curl binary"
 294     echo "    JIRAFEAU_UPLOAD_PASSWD : upload password"
 295
 296     exit 0
 297 fi
 298
 299 if [ -n "$proxy" ]; then
 300     proxy="-x $proxy"
 301 fi
 302
 303 options=''
 304 if [ -n "$one_time" ]; then
 305     options="$options -F one_time_download=1"
 306 fi
 307
 308 if [ -n "$upload_password" ]; then
 309     options="$options -F upload_password=$upload_password"
 310 fi
 311
 312 password=''
 313 if [ -n "$3" ]; then
 314     password="$3"
 315     options="$options -F key=$password"
 316 fi
 317
 318 apipage='script.php'
 319 downloadpage='f.php'
 320
 321 if [ "$1" == "send" ]; then
 322     if [ ! -f "$2" ]; then
 323         echo "File \"$2\" does not exists."
 324         exit
 325     fi
 326
 327     # Ret result
 328     res=$($curl -X POST --http1.0 $proxy $options \
 329                   -F "time=$time" \
 330                   -F "file=@$2" \
 331                   $url$apipage)
 332
 333     if [[ "$res" == Error* ]]; then
 334         echo "Error while uploading."
 335         echo $res
 336         exit
 337     fi
 338
 339     # Not using head or tail to minimise command dependencies
 340     code=$(cnt=0; echo "$res" | while read l; do
 341         if [[ "$cnt" == "0" ]]; then
 342             echo "$l"
 343         fi
 344         cnt=$(( cnt + 1 ))
 345         done)
 346     del_code=$(cnt=0; echo "$res" | while read l; do
 347         if [[ "$cnt" == "1" ]]; then
 348             echo "$l"
 349         fi
 350         cnt=$(( cnt + 1 ))
 351         done)
 352     key_code=$(cnt=0; echo "$res" | while read l; do
 353         if [[ "$cnt" == "2" ]]; then
 354             echo "$l"
 355         fi
 356         cnt=$(( cnt + 1 ))
 357         done)
 358
 359     echo
 360     echo "Download page:"
 361     if [[ $key_code ]]; then
 362         echo "    ${url}${downloadpage}?h=$code&k=$key_code"
 363     else
 364         echo "    ${url}${downloadpage}?h=$code"
 365     fi
 366     echo "Direct download:"
 367     if [[ $key_code ]]; then
 368         echo "    ${url}${downloadpage}?h=$code&k=$key_code&d=1"
 369     else
 370         echo "    ${url}${downloadpage}?h=$code&d=1"
 371     fi
 372     echo "Delete link:"
 373     echo "    ${url}${downloadpage}?h=$code&d=$del_code"
 374     echo
 375     echo "Download via API:"
 376     if [[ $key_code ]]; then
 377         echo "    ${0} get ${url}${apipage}?h=$code&k=$key_code [PASSWORD]"
 378     else
 379         echo "    ${0} get ${url}${apipage}?h=$code [PASSWORD]"
 380     fi
 381     echo "Delete via API:"
 382     echo "    ${0} delete \"${url}${downloadpage}?h=$code&d=$del_code\""
 383
 384 elif [ "$1" == "get" ]; then
 385     if [ -z "$password" ]; then
 386         $curl $proxy -OJ "$2"
 387     else
 388         $curl $proxy -OJ -X POST -F key=$password "$2"
 389     fi
 390 elif [ "$1" == "delete" ]; then
 391     $curl $proxy "$2" --data-raw "do_delete=1%2F" | grep "div class" |sed -e "s/<[^>]\+>//g"
 392 fi
 393 <?php
 394     } else {
 395         echo 'Error 12';
 396         exit;
 397     }
 398 }
 399 /* Initialize an asynchronous upload. */
 400 elseif (isset($_GET['init_async'])) {
 401     if (jirafeau_user_session_logged()) {
 402     } elseif (isset($_POST['upload_password'])) {
 403         if (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), $_POST['upload_password'])) {
 404             echo 'Error 20: Invalid password';
 405             exit;
 406         }
 407     } else {
 408         if (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), null)) {
 409             echo 'Error 19: No password nor allowed IP';
 410             exit;
 411         }
 412     }
 413
 414     if (!isset($_POST['filename'])) {
 415         echo 'Error 21';
 416         exit;
 417     }
 418
 419     $type = '';
 420     if (isset($_POST['type'])) {
 421         $type = $_POST['type'];
 422     }
 423
 424     $key = '';
 425     if (isset($_POST['key'])) {
 426         $key = $_POST['key'];
 427         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex') {
 428             if (!preg_match($cfg['download_password_policy_regex'], $key)) {
 429                 echo 'Error 14: The download password is not complying to the security standards.';
 430                 exit;
 431             }
 432         }
 433     } elseif ($cfg['download_password_requirement'] !== 'optional') {
 434         echo 'Error 13: The parameter password is required.';
 435         exit;
 436     }
 437
 438     // Check if one time download is enabled
 439     if (!$cfg['one_time_download'] && isset($_POST['one_time_download'])) {
 440         echo 'Error 26: One time download is disabled.';
 441         exit;
 442     }
 443
 444     if (!isset($_POST['time']) || !$cfg['availabilities'][$_POST['time']]) {
 445         echo 'Error 22';
 446         exit;
 447     } else {
 448         $time = jirafeau_datestr_to_int($_POST['time']);
 449     }
 450
 451     if ($cfg['store_uploader_ip']) {
 452         $ip = get_ip_address($cfg);
 453     } else {
 454         $ip = "";
 455     }
 456
 457     echo jirafeau_async_init(
 458         $_POST['filename'],
 459         $type,
 460         isset($_POST['one_time_download']),
 461         $key,
 462         $time,
 463         $ip
 464     );
 465 }
 466 /* Continue an asynchronous upload. */
 467 elseif (isset($_GET['push_async'])) {
 468     if ((!isset($_POST['ref']))
 469         || (!isset($_FILES['data']))
 470         || (!isset($_POST['code']))) {
 471         echo 'Error 23';
 472     } else {
 473         echo jirafeau_async_push(
 474             $_POST['ref'],
 475             $_FILES['data'],
 476             $_POST['code'],
 477             $cfg['maximal_upload_size']
 478         );
 479     }
 480 }
 481 /* Finalize an asynchronous upload. */
 482 elseif (isset($_GET['end_async'])) {
 483     if (!isset($_POST['ref'])
 484         || !isset($_POST['code'])) {
 485         echo 'Error 24';
 486     } else {
 487         echo jirafeau_async_end($_POST['ref'], $_POST['code'], $cfg['enable_crypt'], $cfg['link_name_length'], $cfg['file_hash']);
 488     }
 489 } else {
 490     echo 'Error 25';
 491 }
 492 exit;
 493 ?>