script.php

   1 <?php
   2 /*
   3  *  Jirafeau, your web file repository
   4  *  Copyright (C) 2015  Jerome Jutteau <jerome@jutteau.fr>
   5  *
   6  *  This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU Affero General Public License as
   8  *  published by the Free Software Foundation, either version 3 of the
   9  *  License, or (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU Affero General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Affero General Public License
  17  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18  */
  19
  20 /* This file offer a kind of API for jirafeau. */
  21
  22 define('JIRAFEAU_ROOT', dirname(__FILE__) . '/');
  23
  24 require(JIRAFEAU_ROOT . 'lib/settings.php');
  25 require(JIRAFEAU_ROOT . 'lib/functions.php');
  26 require(JIRAFEAU_ROOT . 'lib/lang.php');
  27
  28 global $script_langages;
  29 $script_langages = array('bash' => 'Bash');
  30
  31 /* Operations may take a long time.
  32  * Be sure PHP's safe mode is off.
  33  */
  34 @set_time_limit(0);
  35
  36 if ($_SERVER['REQUEST_METHOD'] == "GET" && count($_GET) == 0) {
  37     require(JIRAFEAU_ROOT . 'lib/template/header.php');
  38     check_errors($cfg);
  39     if (has_error()) {
  40         show_errors();
  41         require(JIRAFEAU_ROOT . 'lib/template/footer.php');
  42         exit;
  43     } ?>
  44     <div class="info">
  45     <h2>Scripting interface</h2>
  46     <p>This interface permits to script your uploads and downloads.</p>
  47     <p>See <a href="<?php echo JIRAFEAU_WEBSITE ?>/blob/master/script.php">source code</a> of this interface to get available calls :)</p>
  48     <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>
  49     </div>
  50     <br />
  51     <?php
  52     require(JIRAFEAU_ROOT . 'lib/template/footer.php');
  53     exit;
  54 }
  55
  56 /* Lets use interface now. */
  57 header('Content-Type: text/plain; charset=utf-8');
  58
  59 check_errors($cfg);
  60 if (has_error()) {
  61     echo 'Error 1';
  62     exit;
  63 }
  64
  65 session_start();
  66
  67 /* Upload file */
  68 if (isset($_FILES['file']) && is_writable(VAR_FILES)
  69     && is_writable(VAR_LINKS)) {
  70     if (!jirafeau_user_session_logged()) {
  71         if (isset($_POST['upload_password']) &&
  72             !jirafeau_challenge_upload($cfg, get_ip_address($cfg), $_POST['upload_password'])) {
  73             echo 'Error 3: Invalid password';
  74             exit;
  75         } elseif (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), null)) {
  76             echo 'Error 2: No password nor allowed IP';
  77             exit;
  78         }
  79     }
  80
  81     $key = '';
  82     if (isset($_POST['key'])) {
  83         $key = $_POST['key'];
  84         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex'){
  85             if (!preg_match($cfg['download_password_policy_regex'], $key)){
  86                 echo 'Error 14: The download password is not complying to the security standards.';
  87                 exit;
  88             }
  89         }
  90     }elseif ($cfg['download_password_requirement'] !== 'optional'){
  91         echo 'Error 13: The parameter password is required.';
  92         exit;
  93     }
  94
  95     $time = time();
  96     if (!isset($_POST['time']) || !$cfg['availabilities'][$_POST['time']]) {
  97         echo 'Error 4: The parameter time is invalid.';
  98         exit;
  99     } else {
 100         switch ($_POST['time']) {
 101             case 'minute':
 102                 $time += JIRAFEAU_MINUTE;
 103                 break;
 104             case 'hour':
 105                 $time += JIRAFEAU_HOUR;
 106                 break;
 107             case 'day':
 108                 $time += JIRAFEAU_DAY;
 109                 break;
 110             case 'week':
 111                 $time += JIRAFEAU_WEEK;
 112                 break;
 113             case 'fortnight':
 114                 $time += JIRAFEAU_FORTNIGHT;
 115                 break;
 116             case 'month':
 117                 $time += JIRAFEAU_MONTH;
 118                 break;
 119             case 'quarter':
 120                 $time += JIRAFEAU_QUARTER;
 121                 break;
 122             case 'year':
 123                 $time += JIRAFEAU_YEAR;
 124                 break;
 125             default:
 126                 $time = JIRAFEAU_INFINITY;
 127                 break;
 128         }
 129     }
 130
 131     // Check file size
 132     if ($cfg['maximal_upload_size'] > 0 &&
 133         $_FILES['file']['size'] > $cfg['maximal_upload_size'] * 1024 * 1024) {
 134         echo 'Error 5: Your file exceeds the maximum authorized file size.';
 135         exit;
 136     }
 137
 138     // Check if one time download is enabled
 139     if (!$cfg['one_time_download'] && isset($_POST['one_time_download'])) {
 140         echo 'Error 26: One time download is disabled.';
 141         exit;
 142     }
 143
 144     if ($cfg['store_uploader_ip']) {
 145         $ip = get_ip_address($cfg);
 146     } else {
 147         $ip = "";
 148     }
 149
 150     $res = jirafeau_upload(
 151         $_FILES['file'],
 152         isset($_POST['one_time_download']),
 153         $key,
 154         $time,
 155         $ip,
 156         $cfg['enable_crypt'],
 157         $cfg['link_name_length'],
 158         $cfg['file_hash']
 159     );
 160
 161     if (empty($res) || $res['error']['has_error']) {
 162         echo 'Error 6 ' . $res['error']['why'];
 163         exit;
 164     }
 165     /* Print direct link. */
 166     echo $res['link'];
 167     /* Print delete link. */
 168     echo NL;
 169     echo $res['delete_link'];
 170     /* Print decrypt key. */
 171     echo NL;
 172     echo urlencode($res['crypt_key']);
 173 } elseif (isset($_GET['h'])) {
 174     $link_name = $_GET['h'];
 175     $key = '';
 176     if (isset($_POST['key'])) {
 177         $key = $_POST['key'];
 178         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex'){
 179             if (!preg_match($cfg['download_password_policy_regex'], $key)){
 180                 echo 'Error 14: The download password is not complying to the security standards.';
 181                 exit;
 182             }
 183         }
 184     }elseif ($cfg['download_password_requirement'] !== 'optional'){
 185         echo 'Error 13: The parameter password is required.';
 186         exit;
 187     }
 188     $d = '';
 189     if (isset($_GET['d'])) {
 190         $d = $_GET['d'];
 191     }
 192
 193     if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) {
 194         echo 'Error 7';
 195         exit;
 196     }
 197
 198     $link = jirafeau_get_link($link_name);
 199     if (count($link) == 0) {
 200         echo 'Error 8';
 201         exit;
 202     }
 203     if (strlen($d) > 0 && $d == $link['link_code']) {
 204         jirafeau_delete_link($link_name);
 205         echo "Ok";
 206         exit;
 207     }
 208     if ($link['time'] != JIRAFEAU_INFINITY && time() > $link['time']) {
 209         jirafeau_delete_link($link_name);
 210         echo 'Error 9';
 211         exit;
 212     }
 213     if (strlen($link['key']) > 0 && md5($key) != $link['key']) {
 214         sleep(2);
 215         echo 'Error 10';
 216         exit;
 217     }
 218     $p = s2p($link['hash']);
 219     if (!file_exists(VAR_FILES . $p . $link['hash'])) {
 220         echo 'Error 11';
 221         exit;
 222     }
 223
 224     /* Read file. */
 225     header('Content-Length: ' . $link['file_size']);
 226     header('Content-Type: ' . $link['mime_type']);
 227     header('Content-Disposition: attachment; filename="' .
 228             $link['file_name'] . '"');
 229
 230     $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
 231     while (!feof($r)) {
 232         print fread($r, 1024);
 233     }
 234     fclose($r);
 235
 236     if ($link['onetime'] == 'O') {
 237         jirafeau_delete_link($link_name);
 238     }
 239     exit;
 240 } elseif (isset($_GET['get_capacity'])) {
 241     echo jirafeau_get_max_upload_size_bytes();
 242 } elseif (isset($_GET['get_maximal_upload_size'])) {
 243     echo $cfg['maximal_upload_size'];
 244 } elseif (isset($_GET['get_version'])) {
 245     echo JIRAFEAU_VERSION;
 246 } elseif (isset($_GET['lang'])) {
 247     $l=$_GET['lang'];
 248     if ($l == "bash") {
 249         ?>
 250 #!/bin/bash
 251
 252 # This script has been auto-generated by Jirafeau but you can still edit options below.
 253
 254 # Config begin
 255 proxy='' # Or set JIRAFEAU_PROXY.
 256 url='<?php echo $cfg['web_root']; ?>' # Or set JIRAFEAU_URL.
 257 time='<?php echo $cfg['availability_default']; ?>' # Or set JIRAFEAU_TIME.
 258 one_time='' # Or set JIRAFEAU_ONE_TIME.
 259 curl='' # Or set JIRAFEAU_CURL_PATH.
 260 upload_password='' # Or set JIRAFEAU_UPLOAD_PASSWD
 261 # Config end
 262
 263 if [ -n "$JIRAFEAU_PROXY" ]; then
 264     proxy="$JIRAFEAU_PROXY"
 265 fi
 266
 267 if [ -n "$JIRAFEAU_URL" ]; then
 268     url="$JIRAFEAU_URL"
 269 fi
 270
 271 if [ -z "$url" ]; then
 272     echo "Please set url in script parameters or export JIRAFEAU_URL"
 273 fi
 274
 275 if [ -n "$JIRAFEAU_TIME" ]; then
 276     time="$JIRAFEAU_TIME"
 277 fi
 278
 279 if [ -n "$JIRAFEAU_ONE_TIME" ]; then
 280     one_time='1'
 281 fi
 282
 283 if [ -n "$JIRAFEAU_UPLOAD_PASSWD" ]; then
 284     upload_password="$JIRAFEAU_UPLOAD_PASSWD"
 285 fi
 286
 287 if [ -z "$curl" ]; then
 288     curl="$JIRAFEAU_CURL_PATH"
 289 fi
 290
 291 if [ -z "$curl" ] && [ -e "/usr/bin/curl" ]; then
 292     curl="/usr/bin/curl"
 293 fi
 294
 295 if [ -z "$curl" ] && [ -e "/bin/curl.exe" ]; then
 296     curl="/bin/curl.exe"
 297 fi
 298
 299 if [ -z "$curl" ]; then
 300     echo "Please set your curl binary path (by editing this script or export JIRAFEAU_CURL_PATH global variable)."
 301     exit
 302 fi
 303
 304 if [ -z "$2" ]; then
 305     echo "Jirafeau Bash Script <?php echo JIRAFEAU_VERSION; ?>"
 306     echo "--------------------------"
 307     echo "Usage:"
 308     echo "    $0 OPTIONS"
 309     echo
 310     echo "Options:"
 311     echo "    $0 send FILE [PASSWORD]"
 312     echo "    $0 get URL [PASSWORD]"
 313     echo "    $0 delete URL"
 314     echo
 315     echo "Global variables to export:"
 316     echo "    JIRAFEAU_PROXY: Domain and port of proxy server, eg. »proxyserver.example.com:3128«"
 317     echo "    JIRAFEAU_URL : URI to Jirafeau installation with trailing slash, eg. »https://example.com/jirafeau/«"
 318     echo "    JIRAFEAU_TIME : expiration time, eg. »minute«, »hour«, »day«, »week«, fortnight, »month«, »quarter«, »year« or »none«"
 319     echo "    JIRAFEAU_ONE_TIME : self-destroy after first download, eg. »1« to enable or »« (empty) to disable"
 320     echo "    JIRAFEAU_CURL : alternative path to curl binary"
 321     echo "    JIRAFEAU_UPLOAD_PASSWD : upload password"
 322
 323     exit 0
 324 fi
 325
 326 if [ -n "$proxy" ]; then
 327     proxy="-x $proxy"
 328 fi
 329
 330 options=''
 331 if [ -n "$one_time" ]; then
 332     options="$options -F one_time_download=1"
 333 fi
 334
 335 if [ -n "$upload_password" ]; then
 336     options="$options -F upload_password=$upload_password"
 337 fi
 338
 339 password=''
 340 if [ -n "$3" ]; then
 341     password="$3"
 342     options="$options -F key=$password"
 343 fi
 344
 345 apipage='script.php'
 346 downloadpage='f.php'
 347
 348 if [ "$1" == "send" ]; then
 349     if [ ! -f "$2" ]; then
 350         echo "File \"$2\" does not exists."
 351         exit
 352     fi
 353
 354     # Ret result
 355     res=$($curl -X POST --http1.0 $proxy $options \
 356                   -F "time=$time" \
 357                   -F "file=@$2" \
 358                   $url$apipage)
 359
 360     if [[ "$res" == Error* ]]; then
 361         echo "Error while uploading."
 362         echo $res
 363         exit
 364     fi
 365
 366     # Not using head or tail to minimise command dependencies
 367     code=$(cnt=0; echo "$res" | while read l; do
 368         if [[ "$cnt" == "0" ]]; then
 369             echo "$l"
 370         fi
 371         cnt=$(( cnt + 1 ))
 372         done)
 373     del_code=$(cnt=0; echo "$res" | while read l; do
 374         if [[ "$cnt" == "1" ]]; then
 375             echo "$l"
 376         fi
 377         cnt=$(( cnt + 1 ))
 378         done)
 379     key_code=$(cnt=0; echo "$res" | while read l; do
 380         if [[ "$cnt" == "2" ]]; then
 381             echo "$l"
 382         fi
 383         cnt=$(( cnt + 1 ))
 384         done)
 385
 386     echo
 387     echo "Download page:"
 388     if [[ $key_code ]]; then
 389         echo "    ${url}${downloadpage}?h=$code&k=$key_code"
 390     else
 391         echo "    ${url}${downloadpage}?h=$code"
 392     fi
 393     echo "Direct download:"
 394     if [[ $key_code ]]; then
 395         echo "    ${url}${downloadpage}?h=$code&k=$key_code&d=1"
 396     else
 397         echo "    ${url}${downloadpage}?h=$code&d=1"
 398     fi
 399     echo "Delete link:"
 400     echo "    ${url}${downloadpage}?h=$code&d=$del_code"
 401     echo
 402     echo "Download via API:"
 403     if [[ $key_code ]]; then
 404         echo "    ${0} get ${url}${apipage}?h=$code&k=$key_code [PASSWORD]"
 405     else
 406         echo "    ${0} get ${url}${apipage}?h=$code [PASSWORD]"
 407     fi
 408     echo "Delete via API:"
 409     echo "    ${0} delete \"${url}${downloadpage}?h=$code&d=$del_code\""
 410
 411 elif [ "$1" == "get" ]; then
 412     if [ -z "$password" ]; then
 413         $curl $proxy -OJ "$2"
 414     else
 415         $curl $proxy -OJ -X POST -F key=$password "$2"
 416     fi
 417 elif [ "$1" == "delete" ]; then
 418     $curl $proxy "$2" --data-raw "do_delete=1%2F" | grep "div class" |sed -e "s/<[^>]\+>//g"
 419 fi
 420 <?php
 421     } else {
 422         echo 'Error 12';
 423         exit;
 424     }
 425 }
 426 /* Initialize an asynchronous upload. */
 427 elseif (isset($_GET['init_async'])) {
 428     if (jirafeau_user_session_logged()) {
 429     } elseif (isset($_POST['upload_password'])) {
 430         if (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), $_POST['upload_password'])) {
 431             echo 'Error 20: Invalid password';
 432             exit;
 433         }
 434     } else {
 435         if (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), null)) {
 436             echo 'Error 19: No password nor allowed IP';
 437             exit;
 438         }
 439     }
 440
 441     if (!isset($_POST['filename'])) {
 442         echo 'Error 21';
 443         exit;
 444     }
 445
 446     $type = '';
 447     if (isset($_POST['type'])) {
 448         $type = $_POST['type'];
 449     }
 450
 451     $key = '';
 452     if (isset($_POST['key'])) {
 453         $key = $_POST['key'];
 454         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex'){
 455             if (!preg_match($cfg['download_password_policy_regex'], $key)){
 456                 echo 'Error 14: The download password is not complying to the security standards.';
 457                 exit;
 458             }
 459         }
 460     }elseif ($cfg['download_password_requirement'] !== 'optional'){
 461         echo 'Error 13: The parameter password is required.';
 462         exit;
 463     }
 464
 465     // Check if one time download is enabled
 466     if (!$cfg['one_time_download'] && isset($_POST['one_time_download'])) {
 467         echo 'Error 26: One time download is disabled.';
 468         exit;
 469     }
 470
 471     $time = time();
 472     if (!isset($_POST['time']) || !$cfg['availabilities'][$_POST['time']]) {
 473         echo 'Error 22';
 474         exit;
 475     } else {
 476         switch ($_POST['time']) {
 477             case 'minute':
 478                 $time += JIRAFEAU_MINUTE;
 479                 break;
 480             case 'hour':
 481                 $time += JIRAFEAU_HOUR;
 482                 break;
 483             case 'day':
 484                 $time += JIRAFEAU_DAY;
 485                 break;
 486             case 'week':
 487                 $time += JIRAFEAU_WEEK;
 488                 break;
 489             case 'fortnight':
 490                 $time += JIRAFEAU_FORTNIGHT;
 491                 break;
 492             case 'month':
 493                 $time += JIRAFEAU_MONTH;
 494                 break;
 495             case 'quarter':
 496                 $time += JIRAFEAU_QUARTER;
 497                 break;
 498             case 'year':
 499                 $time += JIRAFEAU_YEAR;
 500                 break;
 501             default:
 502                 $time = JIRAFEAU_INFINITY;
 503                 break;
 504         }
 505     }
 506
 507     if ($cfg['store_uploader_ip']) {
 508         $ip = get_ip_address($cfg);
 509     } else {
 510         $ip = "";
 511     }
 512
 513     echo jirafeau_async_init(
 514         $_POST['filename'],
 515         $type,
 516         isset($_POST['one_time_download']),
 517         $key,
 518         $time,
 519         $ip
 520     );
 521 }
 522 /* Continue an asynchronous upload. */
 523 elseif (isset($_GET['push_async'])) {
 524     if ((!isset($_POST['ref']))
 525         || (!isset($_FILES['data']))
 526         || (!isset($_POST['code']))) {
 527         echo 'Error 23';
 528     } else {
 529         echo jirafeau_async_push(
 530             $_POST['ref'],
 531             $_FILES['data'],
 532             $_POST['code'],
 533             $cfg['maximal_upload_size']
 534         );
 535     }
 536 }
 537 /* Finalize an asynchronous upload. */
 538 elseif (isset($_GET['end_async'])) {
 539     if (!isset($_POST['ref'])
 540         || !isset($_POST['code'])) {
 541         echo 'Error 24';
 542     } else {
 543         echo jirafeau_async_end($_POST['ref'], $_POST['code'], $cfg['enable_crypt'], $cfg['link_name_length'], $cfg['file_hash']);
 544     }
 545 } else {
 546     echo 'Error 25';
 547 }
 548 exit;
 549 ?>