script.php

   1 <?php
   2 /*
   3  *  Jirafeau, your web file repository
   4  *  Copyright (C) 2015  Jerome Jutteau <j.jutteau@gmail.com>
   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 /*
  21  * This file permits to easyly script file sending, receiving, deleting, ...
  22  * If you don't want this feature, you can simply delete this file from your
  23  * web directory.
  24  */
  25
  26 define ('JIRAFEAU_ROOT', dirname (__FILE__) . '/');
  27
  28 require (JIRAFEAU_ROOT . 'lib/config.original.php');
  29 require (JIRAFEAU_ROOT . 'lib/settings.php');
  30 require (JIRAFEAU_ROOT . 'lib/functions.php');
  31 require (JIRAFEAU_ROOT . 'lib/lang.php');
  32
  33  global $script_langages;
  34  $script_langages = array ('bash' => 'Bash');
  35
  36 /* Operations may take a long time.
  37  * Be sure PHP's safe mode is off.
  38  */
  39 @set_time_limit(0);
  40 /* Remove errors. */
  41 @error_reporting(0);
  42
  43 if ($_SERVER['REQUEST_METHOD'] == "GET" && count ($_GET) == 0)
  44 {
  45     require (JIRAFEAU_ROOT . 'lib/template/header.php');
  46     check_errors ($cfg);
  47     if (has_error ())
  48     {
  49         show_errors ();
  50         require (JIRAFEAU_ROOT . 'lib/template/footer.php');
  51         exit;
  52     }
  53     ?>
  54     <div class="info">
  55     <h2>Scripting interface</h2>
  56     <p>This interface permits to script your uploads and downloads.</p>
  57     <p>See <a href="https://gitlab.com/mojo42/Jirafeau/blob/master/script.php">source code</a> of this interface to get available calls :)</p>
  58     <p>Alternatively, go to <a href="<?php echo $cfg['web_root'] . 'script.php?lang=bash'; ?>">this page</a> to download a bash script.</p>
  59     </div>
  60     <br />
  61     <?php
  62     require (JIRAFEAU_ROOT . 'lib/template/footer.php');
  63     exit;
  64 }
  65
  66 /* Lets use interface now. */
  67 header('Content-Type: text; charset=utf-8');
  68
  69 check_errors ($cfg);
  70 if (has_error ())
  71 {
  72     echo 'Error 1';
  73     exit;
  74 }
  75
  76 /* Upload file */
  77 if (isset ($_FILES['file']) && is_writable (VAR_FILES)
  78     && is_writable (VAR_LINKS))
  79 {
  80     if (!jirafeau_challenge_upload_ip ($cfg, get_ip_address($cfg)))
  81     {
  82         echo 'Error 2';
  83         exit;
  84     }
  85
  86     if (jirafeau_has_upload_password ($cfg) &&
  87          (!isset ($_POST['upload_password']) ||
  88           !jirafeau_challenge_upload_password ($cfg, $_POST['upload_password'])))
  89     {
  90         echo 'Error 3';
  91         exit;
  92     }
  93
  94     $key = '';
  95     if (isset ($_POST['key']))
  96         $key = $_POST['key'];
  97
  98     $time = time ();
  99     if (!isset ($_POST['time']) || !$cfg['availabilities'][$_POST['time']])
 100     {
 101         echo 'Error 4: The parameter time is invalid.';
 102         exit;
 103     }
 104     else
 105         switch ($_POST['time'])
 106         {
 107             case 'minute':
 108                 $time += JIRAFEAU_MINUTE;
 109                 break;
 110             case 'hour':
 111                 $time += JIRAFEAU_HOUR;
 112                 break;
 113             case 'day':
 114                 $time += JIRAFEAU_DAY;
 115                 break;
 116             case 'week':
 117                 $time += JIRAFEAU_WEEK;
 118                 break;
 119             case 'month':
 120                 $time += JIRAFEAU_MONTH;
 121                 break;
 122             case 'quarter':
 123                 $time += JIRAFEAU_QUARTER;
 124                 break;
 125             case 'year':
 126                 $time += JIRAFEAU_YEAR;
 127                 break;
 128            default:
 129                 $time = JIRAFEAU_INFINITY;
 130                 break;
 131         }
 132
 133     // Check file size
 134     if ($cfg['maximal_upload_size'] > 0 &&
 135         $_FILES['file']['size'] > $cfg['maximal_upload_size'] * 1024 * 1024)
 136     {
 137         echo 'Error 5: Your file exceeds the maximum authorized file size.';
 138         exit;
 139     }
 140
 141     $res = jirafeau_upload ($_FILES['file'],
 142                             isset ($_POST['one_time_download']),
 143                             $key, $time, get_ip_address($cfg),
 144                             $cfg['enable_crypt'], $cfg['link_name_length']);
 145
 146     if (empty($res) || $res['error']['has_error'])
 147     {
 148         echo 'Error 6 ' . $res['error']['why'];
 149         exit;
 150     }
 151     /* Print direct link. */
 152     echo $res['link'];
 153     /* Print delete link. */
 154     echo NL;
 155     echo $res['delete_link'];
 156     /* Print decrypt key. */
 157     echo NL;
 158     echo urlencode($res['crypt_key']);
 159 }
 160 elseif (isset ($_GET['h']))
 161 {
 162     $link_name = $_GET['h'];
 163     $key = '';
 164     if (isset ($_POST['key']))
 165         $key = $_POST['key'];
 166     $d = '';
 167     if (isset ($_GET['d']))
 168         $d = $_GET['d'];
 169
 170     if (!preg_match ('/[0-9a-zA-Z_-]+$/', $link_name))
 171     {
 172         echo 'Error 7';
 173         exit;
 174     }
 175
 176     $link = jirafeau_get_link ($link_name);
 177     if (count ($link) == 0)
 178     {
 179         echo 'Error 8';
 180         exit;
 181     }
 182     if (strlen ($d) > 0 && $d == $link['link_code'])
 183     {
 184         jirafeau_delete_link ($link_name);
 185         echo "Ok";
 186         exit;
 187     }
 188     if ($link['time'] != JIRAFEAU_INFINITY && time () > $link['time'])
 189     {
 190         jirafeau_delete_link ($link_name);
 191         echo 'Error 9';
 192         exit;
 193     }
 194     if (strlen ($link['key']) > 0 && md5 ($key) != $link['key'])
 195     {
 196         sleep (2);
 197         echo 'Error 10';
 198         exit;
 199     }
 200     $p = s2p ($link['md5']);
 201     if (!file_exists (VAR_FILES . $p . $link['md5']))
 202     {
 203         echo 'Error 11';
 204         exit;
 205     }
 206
 207     /* Read file. */
 208     header ('Content-Length: ' . $link['file_size']);
 209     header ('Content-Type: ' . $link['mime_type']);
 210     header ('Content-Disposition: attachment; filename="' .
 211             $link['file_name'] . '"');
 212
 213     $r = fopen (VAR_FILES . $p . $link['md5'], 'r');
 214     while (!feof ($r))
 215     {
 216         print fread ($r, 1024);
 217         ob_flush();
 218     }
 219     fclose ($r);
 220
 221     if ($link['onetime'] == 'O')
 222         jirafeau_delete_link ($link_name);
 223     exit;
 224 }
 225 elseif (isset ($_GET['get_capacity']))
 226 {
 227     echo min (jirafeau_ini_to_bytes (ini_get ('post_max_size')),
 228               jirafeau_ini_to_bytes (ini_get ('upload_max_filesize')));
 229 }
 230 elseif (isset ($_GET['get_maximal_upload_size']))
 231 {
 232     echo $cfg['maximal_upload_size'];
 233 }
 234 elseif (isset ($_GET['get_version']))
 235 {
 236     echo JIRAFEAU_VERSION;
 237 }
 238 elseif (isset ($_GET['lang']))
 239 {
 240     $l=$_GET['lang'];
 241     if ($l == "bash")
 242     {
 243 ?>
 244 #!/bin/bash
 245
 246 # This script has been auto-generated by Jirafeau but you can still edit options below.
 247
 248 # Config begin
 249 proxy='' # Or set JIRAFEAU_PROXY.
 250 url='<?php echo $cfg['web_root'] . 'script.php'; ?>' # Or set JIRAFEAU_URL.
 251 time='<?php echo $cfg['availability_default']; ?>' # Or set JIRAFEAU_TIME.
 252 one_time='' # Or set JIRAFEAU_ONE_TIME.
 253 curl='' # Or set JIRAFEAU_CURL_PATH.
 254 # Config end
 255
 256 if [ -n "$JIRAFEAU_PROXY" ]; then
 257     proxy="$JIRAFEAU_PROXY"
 258 fi
 259
 260 if [ -n "$JIRAFEAU_URL" ]; then
 261     url="$JIRAFEAU_URL"
 262 fi
 263
 264 if [ -z "$url" ]; then
 265     echo "Please set url in script parameters or export JIRAFEAU_URL"
 266 fi
 267
 268 if [ -n "$JIRAFEAU_TIME" ]; then
 269     time="$JIRAFEAU_TIME"
 270 fi
 271
 272 if [ -n "$JIRAFEAU_ONE_TIME" ]; then
 273     one_time='1'
 274 fi
 275
 276 if [ -z "$curl" ]; then
 277     curl="$JIRAFEAU_CURL_PATH"
 278 fi
 279
 280 if [ -z "$curl" ] && [ -e "/usr/bin/curl" ]; then
 281     curl="/usr/bin/curl"
 282 fi
 283
 284 if [ -z "$curl" ] && [ -e "/bin/curl.exe" ]; then
 285     curl="/bin/curl.exe"
 286 fi
 287
 288 if [ -z "$curl" ]; then
 289     echo "Please set your curl binary path (by editing this script or export JIRAFEAU_CURL_PATH global variable)."
 290     exit
 291 fi
 292
 293 if [ -z "$2" ]; then
 294     echo "Jirafeau Bash Script <?php echo JIRAFEAU_VERSION; ?>"
 295     echo "--------------------------"
 296     echo "Usage:"
 297     echo "    $0 OPTIONS"
 298     echo
 299     echo "Options:"
 300     echo "    $0 send FILE [PASSWORD]"
 301     echo "    $0 get URL [PASSWORD]"
 302     echo "    $0 delete URL"
 303     echo
 304     echo "Global variables to export:"
 305     echo "    JIRAFEAU_PROXY: Domain and port of proxy server, eg. »proxysever.example.com:3128«"
 306     echo "    JIRAFEAU_URL : URI to Jirafeau installation and API page with trailing slash, eg. »https://example.com/jirafeau/script.php«"
 307     echo "    JIRAFEAU_TIME : expiration time, eg. »minute«, »hour«, »day«, »week«, »month«, »quarter«, »year« or »none«"
 308     echo "    JIRAFEAU_ONE_TIME : self-destroy after first download, eg. »1« to enable or »« (empty) to disable"
 309     echo "    JIRAFEAU_CURL : alternative path to curl binary"
 310
 311     exit 0
 312 fi
 313
 314 if [ -n "$proxy" ]; then
 315     proxy="-x $proxy"
 316 fi
 317
 318 options=''
 319 if [ -n "$one_time" ]; then
 320     options="$options -F one_time_download=1"
 321 fi
 322
 323 password=''
 324 if [ -n "$3" ]; then
 325     password="$3"
 326     options="$options -F key=$password"
 327 fi
 328
 329 if [ "$1" == "send" ]; then
 330     if [ ! -f "$2" ]; then
 331         echo "File \"$2\" does not exists."
 332         exit
 333     fi
 334
 335     # Ret result
 336     res=$($curl -X POST --http1.0 $proxy $options \
 337                   -F "time=$time" \
 338                   -F "file=@$2" \
 339                   $url)
 340
 341     if [[ "$res" == Error* ]]; then
 342         echo "Error while uploading."
 343         echo $res
 344         exit
 345     fi
 346
 347     # Not using head or tail to minimise command dependencies
 348     code=$(cnt=0; echo "$res" | while read l; do
 349         if [[ "$cnt" == "0" ]]; then
 350             echo "$l"
 351         fi
 352         cnt=$(( cnt + 1 ))
 353         done)
 354     del_code=$(cnt=0; echo "$res" | while read l; do
 355         if [[ "$cnt" == "1" ]]; then
 356             echo "$l"
 357         fi
 358         cnt=$(( cnt + 1 ))
 359         done)
 360     echo "Download link:"
 361     echo "${url}?h=$code"
 362     echo "Direct download link:"
 363     echo "${url}?h=$code&d=1"
 364     echo "Delete link:"
 365     echo "${url}?h=$code&d=$del_code"
 366 elif [ "$1" == "get" ]; then
 367     if [ -z "$password" ]; then
 368         $curl $proxy -OJ "$2"
 369     else
 370         $curl $proxy -OJ -X POST -F key=$password "$2"
 371     fi
 372 elif [ "$1" == "delete" ]; then
 373     $curl $proxy "$2"
 374 fi
 375 <?php
 376     }
 377     else
 378     {
 379         echo 'Error 12';
 380         exit;
 381     }
 382 }
 383 /* Create alias. */
 384 elseif (isset ($_GET['alias_create']))
 385 {
 386     $ip = get_ip_address($cfg);
 387     if (!jirafeau_challenge_upload_ip ($cfg, $ip))
 388     {
 389         echo 'Error 13';
 390         exit;
 391     }
 392
 393     if (jirafeau_has_upload_password ($cfg) &&
 394          (!isset ($_POST['upload_password']) ||
 395           !jirafeau_challenge_upload_password ($cfg, $_POST['upload_password'])))
 396     {
 397         echo 'Error 14';
 398         exit;
 399     }
 400
 401     if (!isset ($_POST['alias']) ||
 402         !isset ($_POST['destination']) ||
 403         !isset ($_POST['password']))
 404     {
 405         echo 'Error 15';
 406         exit;
 407     }
 408
 409     echo jirafeau_alias_create ($_POST['alias'],
 410                                 $_POST['destination'],
 411                                 $_POST['password'],
 412                                 $ip);
 413 }
 414 /* Get alias. */
 415 elseif (isset ($_GET['alias_get']))
 416 {
 417     if (!isset ($_POST['alias']))
 418     {
 419         echo 'Error 16';
 420         exit;
 421     }
 422
 423     echo jirafeau_alias_get ($_POST['alias']);
 424 }
 425 /* Update alias. */
 426 elseif (isset ($_GET['alias_update']))
 427 {
 428     if (!isset ($_POST['alias']) ||
 429         !isset ($_POST['destination']) ||
 430         !isset ($_POST['password']))
 431     {
 432         echo 'Error 17';
 433         exit;
 434     }
 435
 436     $new_password = '';
 437     if (isset ($_POST['new_password']))
 438         $new_password = $_POST['new_password'];
 439
 440     echo jirafeau_alias_update ($_POST['alias'],
 441                                 $_POST['destination'],
 442                                 $_POST['password'],
 443                                 $new_password,
 444                                 get_ip_address($cfg));
 445 }
 446 /* Delete alias. */
 447 elseif (isset ($_GET['alias_delete']))
 448 {
 449     if (!isset ($_POST['alias']) ||
 450         !isset ($_POST['password']))
 451     {
 452         echo 'Error 18';
 453         exit;
 454     }
 455
 456     echo jirafeau_alias_delete ($_POST['alias'],
 457                                 $_POST['password']);
 458 }
 459 /* Initialize an asynchronous upload. */
 460 elseif (isset ($_GET['init_async']))
 461 {
 462     if (!jirafeau_challenge_upload_ip ($cfg, get_ip_address($cfg)))
 463     {
 464         echo 'Error 19';
 465         exit;
 466     }
 467
 468     if (jirafeau_has_upload_password ($cfg) &&
 469          (!isset ($_POST['upload_password']) ||
 470           !jirafeau_challenge_upload_password ($cfg, $_POST['upload_password'])))
 471     {
 472         echo 'Error 20';
 473         exit;
 474     }
 475
 476     if (!isset ($_POST['filename']))
 477     {
 478         echo 'Error 21';
 479         exit;
 480     }
 481
 482     $type = '';
 483     if (isset ($_POST['type']))
 484         $type = $_POST['type'];
 485
 486     $key = '';
 487     if (isset ($_POST['key']))
 488         $key = $_POST['key'];
 489
 490     $time = time ();
 491     if (!isset ($_POST['time']) || !$cfg['availabilities'][$_POST['time']])
 492     {
 493         echo 'Error 22';
 494         exit;
 495     }
 496     else
 497         switch ($_POST['time'])
 498         {
 499             case 'minute':
 500                 $time += JIRAFEAU_MINUTE;
 501                 break;
 502             case 'hour':
 503                 $time += JIRAFEAU_HOUR;
 504                 break;
 505             case 'day':
 506                 $time += JIRAFEAU_DAY;
 507                 break;
 508             case 'week':
 509                 $time += JIRAFEAU_WEEK;
 510                 break;
 511             case 'month':
 512                 $time += JIRAFEAU_MONTH;
 513                 break;
 514             case 'quarter':
 515                 $time += JIRAFEAU_QUARTER;
 516                 break;
 517             case 'year':
 518                 $time += JIRAFEAU_YEAR;
 519                 break;
 520             default:
 521                 $time = JIRAFEAU_INFINITY;
 522                 break;
 523         }
 524     echo jirafeau_async_init ($_POST['filename'],
 525                               $type,
 526                               isset ($_POST['one_time_download']),
 527                               $key,
 528                               $time,
 529                               get_ip_address($cfg));
 530 }
 531 /* Continue an asynchronous upload. */
 532 elseif (isset ($_GET['push_async']))
 533 {
 534     if ((!isset ($_POST['ref']))
 535         || (!isset ($_FILES['data']))
 536         || (!isset ($_POST['code'])))
 537         echo 'Error 23';
 538     else
 539     {
 540         echo jirafeau_async_push ($_POST['ref'],
 541                                   $_FILES['data'],
 542                                   $_POST['code'],
 543                                   $cfg['maximal_upload_size']);
 544     }
 545 }
 546 /* Finalize an asynchronous upload. */
 547 elseif (isset ($_GET['end_async']))
 548 {
 549     if (!isset ($_POST['ref'])
 550         || !isset ($_POST['code']))
 551         echo 'Error 24';
 552     else
 553         echo jirafeau_async_end ($_POST['ref'], $_POST['code'], $cfg['enable_crypt'], $cfg['link_name_length']);
 554 }
 555 else
 556     echo 'Error 25';
 557 exit;
 558 ?>