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     if (!isset($_POST['time']) || !$cfg['availabilities'][$_POST['time']]) {
  96         echo 'Error 4: The parameter time is invalid.';
  97         exit;
  98     } else {
  99         $time = jirafeau_datestr_to_int($_POST['time']);
 100     }
 101
 102     // Check file size
 103     if ($cfg['maximal_upload_size'] > 0 &&
 104         $_FILES['file']['size'] > $cfg['maximal_upload_size'] * 1024 * 1024) {
 105         echo 'Error 5: Your file exceeds the maximum authorized file size.';
 106         exit;
 107     }
 108
 109     // Check if one time download is enabled
 110     if (!$cfg['one_time_download'] && isset($_POST['one_time_download'])) {
 111         echo 'Error 26: One time download is disabled.';
 112         exit;
 113     }
 114
 115     if ($cfg['store_uploader_ip']) {
 116         $ip = get_ip_address($cfg);
 117     } else {
 118         $ip = "";
 119     }
 120
 121     $res = jirafeau_upload(
 122         $_FILES['file'],
 123         isset($_POST['one_time_download']),
 124         $key,
 125         $time,
 126         $ip,
 127         $cfg['enable_crypt'],
 128         $cfg['link_name_length'],
 129         $cfg['file_hash']
 130     );
 131
 132     if (empty($res) || $res['error']['has_error']) {
 133         echo 'Error 6 ' . $res['error']['why'];
 134         exit;
 135     }
 136     /* Print direct link. */
 137     echo $res['link'];
 138     /* Print delete link. */
 139     echo NL;
 140     echo $res['delete_link'];
 141     /* Print decrypt key. */
 142     echo NL;
 143     echo urlencode($res['crypt_key']);
 144 } elseif (isset($_GET['h'])) {
 145     $link_name = $_GET['h'];
 146     $key = '';
 147     if (isset($_POST['key'])) {
 148         $key = $_POST['key'];
 149         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex') {
 150             if (!preg_match($cfg['download_password_policy_regex'], $key)) {
 151                 echo 'Error 14: The download password is not complying to the security standards.';
 152                 exit;
 153             }
 154         }
 155     } elseif ($cfg['download_password_requirement'] !== 'optional') {
 156         echo 'Error 13: The parameter password is required.';
 157         exit;
 158     }
 159     $d = '';
 160     if (isset($_GET['d'])) {
 161         $d = $_GET['d'];
 162     }
 163
 164     if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) {
 165         echo 'Error 7';
 166         exit;
 167     }
 168
 169     $link = jirafeau_get_link($link_name);
 170     if (count($link) == 0) {
 171         echo 'Error 8';
 172         exit;
 173     }
 174     if (strlen($d) > 0 && $d == $link['link_code']) {
 175         jirafeau_delete_link($link_name);
 176         echo "Ok";
 177         exit;
 178     }
 179     if ($link['time'] != JIRAFEAU_INFINITY && time() > $link['time']) {
 180         jirafeau_delete_link($link_name);
 181         echo 'Error 9';
 182         exit;
 183     }
 184     if (strlen($link['key']) > 0 && md5($key) != $link['key']) {
 185         sleep(2);
 186         echo 'Error 10';
 187         exit;
 188     }
 189     $p = s2p($link['hash']);
 190     if (!file_exists(VAR_FILES . $p . $link['hash'])) {
 191         echo 'Error 11';
 192         exit;
 193     }
 194
 195     /* Read file. */
 196     header('Content-Length: ' . $link['file_size']);
 197     header('Content-Type: ' . $link['mime_type']);
 198     header('Content-Disposition: attachment; filename="' .
 199             $link['file_name'] . '"');
 200
 201     $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
 202     while (!feof($r)) {
 203         print fread($r, 1024);
 204     }
 205     fclose($r);
 206
 207     if ($link['onetime'] == 'O') {
 208         jirafeau_delete_link($link_name);
 209     }
 210     exit;
 211 } elseif (isset($_GET['get_capacity'])) {
 212     echo jirafeau_get_max_upload_size_bytes();
 213 } elseif (isset($_GET['get_maximal_upload_size'])) {
 214     echo $cfg['maximal_upload_size'];
 215 } elseif (isset($_GET['get_version'])) {
 216     echo JIRAFEAU_VERSION;
 217 } elseif (isset($_GET['lang'])) {
 218     $l=$_GET['lang'];
 219     if ($l == "bash") {
 220         ?>
 221 #!/bin/bash
 222
 223 # This script has been auto-generated by Jirafeau but you can still edit options below.
 224
 225 # Config begin
 226 proxy='' # Or set JIRAFEAU_PROXY.
 227 url='<?php echo $cfg['web_root']; ?>' # Or set JIRAFEAU_URL.
 228 time='<?php echo $cfg['availability_default']; ?>' # Or set JIRAFEAU_TIME.
 229 one_time='' # Or set JIRAFEAU_ONE_TIME.
 230 curl='' # Or set JIRAFEAU_CURL_PATH.
 231 upload_password='' # Or set JIRAFEAU_UPLOAD_PASSWD
 232 # Config end
 233
 234 if [ -n "$JIRAFEAU_PROXY" ]; then
 235     proxy="$JIRAFEAU_PROXY"
 236 fi
 237
 238 if [ -n "$JIRAFEAU_URL" ]; then
 239     url="$JIRAFEAU_URL"
 240 fi
 241
 242 if [ -z "$url" ]; then
 243     echo "Please set url in script parameters or export JIRAFEAU_URL"
 244 fi
 245
 246 if [ -n "$JIRAFEAU_TIME" ]; then
 247     time="$JIRAFEAU_TIME"
 248 fi
 249
 250 if [ -n "$JIRAFEAU_ONE_TIME" ]; then
 251     one_time='1'
 252 fi
 253
 254 if [ -n "$JIRAFEAU_UPLOAD_PASSWD" ]; then
 255     upload_password="$JIRAFEAU_UPLOAD_PASSWD"
 256 fi
 257
 258 if [ -z "$curl" ]; then
 259     curl="$JIRAFEAU_CURL_PATH"
 260 fi
 261
 262 if [ -z "$curl" ] && [ -e "/usr/bin/curl" ]; then
 263     curl="/usr/bin/curl"
 264 fi
 265
 266 if [ -z "$curl" ] && [ -e "/bin/curl.exe" ]; then
 267     curl="/bin/curl.exe"
 268 fi
 269
 270 if [ -z "$curl" ]; then
 271     echo "Please set your curl binary path (by editing this script or export JIRAFEAU_CURL_PATH global variable)."
 272     exit
 273 fi
 274
 275 if [ -z "$2" ]; then
 276     echo "Jirafeau Bash Script <?php echo JIRAFEAU_VERSION; ?>"
 277     echo "--------------------------"
 278     echo "Usage:"
 279     echo "    $0 OPTIONS"
 280     echo
 281     echo "Options:"
 282     echo "    $0 send FILE [PASSWORD]"
 283     echo "    $0 get URL [PASSWORD]"
 284     echo "    $0 delete URL"
 285     echo
 286     echo "Global variables to export:"
 287     echo "    JIRAFEAU_PROXY: Domain and port of proxy server, eg. »proxyserver.example.com:3128«"
 288     echo "    JIRAFEAU_URL : URI to Jirafeau installation with trailing slash, eg. »https://example.com/jirafeau/«"
 289     echo "    JIRAFEAU_TIME : expiration time, eg. »minute«, »hour«, »day«, »week«, fortnight, »month«, »quarter«, »year« or »none«"
 290     echo "    JIRAFEAU_ONE_TIME : self-destroy after first download, eg. »1« to enable or »« (empty) to disable"
 291     echo "    JIRAFEAU_CURL : alternative path to curl binary"
 292     echo "    JIRAFEAU_UPLOAD_PASSWD : upload password"
 293
 294     exit 0
 295 fi
 296
 297 if [ -n "$proxy" ]; then
 298     proxy="-x $proxy"
 299 fi
 300
 301 options=''
 302 if [ -n "$one_time" ]; then
 303     options="$options -F one_time_download=1"
 304 fi
 305
 306 if [ -n "$upload_password" ]; then
 307     options="$options -F upload_password=$upload_password"
 308 fi
 309
 310 password=''
 311 if [ -n "$3" ]; then
 312     password="$3"
 313     options="$options -F key=$password"
 314 fi
 315
 316 apipage='script.php'
 317 downloadpage='f.php'
 318
 319 if [ "$1" == "send" ]; then
 320     if [ ! -f "$2" ]; then
 321         echo "File \"$2\" does not exists."
 322         exit
 323     fi
 324
 325     # Ret result
 326     res=$($curl -X POST --http1.0 $proxy $options \
 327                   -F "time=$time" \
 328                   -F "file=@$2" \
 329                   $url$apipage)
 330
 331     if [[ "$res" == Error* ]]; then
 332         echo "Error while uploading."
 333         echo $res
 334         exit
 335     fi
 336
 337     # Not using head or tail to minimise command dependencies
 338     code=$(cnt=0; echo "$res" | while read l; do
 339         if [[ "$cnt" == "0" ]]; then
 340             echo "$l"
 341         fi
 342         cnt=$(( cnt + 1 ))
 343         done)
 344     del_code=$(cnt=0; echo "$res" | while read l; do
 345         if [[ "$cnt" == "1" ]]; then
 346             echo "$l"
 347         fi
 348         cnt=$(( cnt + 1 ))
 349         done)
 350     key_code=$(cnt=0; echo "$res" | while read l; do
 351         if [[ "$cnt" == "2" ]]; then
 352             echo "$l"
 353         fi
 354         cnt=$(( cnt + 1 ))
 355         done)
 356
 357     echo
 358     echo "Download page:"
 359     if [[ $key_code ]]; then
 360         echo "    ${url}${downloadpage}?h=$code&k=$key_code"
 361     else
 362         echo "    ${url}${downloadpage}?h=$code"
 363     fi
 364     echo "Direct download:"
 365     if [[ $key_code ]]; then
 366         echo "    ${url}${downloadpage}?h=$code&k=$key_code&d=1"
 367     else
 368         echo "    ${url}${downloadpage}?h=$code&d=1"
 369     fi
 370     echo "Delete link:"
 371     echo "    ${url}${downloadpage}?h=$code&d=$del_code"
 372     echo
 373     echo "Download via API:"
 374     if [[ $key_code ]]; then
 375         echo "    ${0} get ${url}${apipage}?h=$code&k=$key_code [PASSWORD]"
 376     else
 377         echo "    ${0} get ${url}${apipage}?h=$code [PASSWORD]"
 378     fi
 379     echo "Delete via API:"
 380     echo "    ${0} delete \"${url}${downloadpage}?h=$code&d=$del_code\""
 381
 382 elif [ "$1" == "get" ]; then
 383     if [ -z "$password" ]; then
 384         $curl $proxy -OJ "$2"
 385     else
 386         $curl $proxy -OJ -X POST -F key=$password "$2"
 387     fi
 388 elif [ "$1" == "delete" ]; then
 389     $curl $proxy "$2" --data-raw "do_delete=1%2F" | grep "div class" |sed -e "s/<[^>]\+>//g"
 390 fi
 391 <?php
 392     } else {
 393         echo 'Error 12';
 394         exit;
 395     }
 396 }
 397 /* Initialize an asynchronous upload. */
 398 elseif (isset($_GET['init_async'])) {
 399     if (jirafeau_user_session_logged()) {
 400     } elseif (isset($_POST['upload_password'])) {
 401         if (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), $_POST['upload_password'])) {
 402             echo 'Error 20: Invalid password';
 403             exit;
 404         }
 405     } else {
 406         if (!jirafeau_challenge_upload($cfg, get_ip_address($cfg), null)) {
 407             echo 'Error 19: No password nor allowed IP';
 408             exit;
 409         }
 410     }
 411
 412     if (!isset($_POST['filename'])) {
 413         echo 'Error 21';
 414         exit;
 415     }
 416
 417     $type = '';
 418     if (isset($_POST['type'])) {
 419         $type = $_POST['type'];
 420     }
 421
 422     $key = '';
 423     if (isset($_POST['key'])) {
 424         $key = $_POST['key'];
 425         if ($cfg['download_password_requirement'] !== 'generated' && $cfg['download_password_policy'] === 'regex') {
 426             if (!preg_match($cfg['download_password_policy_regex'], $key)) {
 427                 echo 'Error 14: The download password is not complying to the security standards.';
 428                 exit;
 429             }
 430         }
 431     } elseif ($cfg['download_password_requirement'] !== 'optional') {
 432         echo 'Error 13: The parameter password is required.';
 433         exit;
 434     }
 435
 436     // Check if one time download is enabled
 437     if (!$cfg['one_time_download'] && isset($_POST['one_time_download'])) {
 438         echo 'Error 26: One time download is disabled.';
 439         exit;
 440     }
 441
 442     if (!isset($_POST['time']) || !$cfg['availabilities'][$_POST['time']]) {
 443         echo 'Error 22';
 444         exit;
 445     } else {
 446         $time = jirafeau_datestr_to_int($_POST['time']);
 447     }
 448
 449     if ($cfg['store_uploader_ip']) {
 450         $ip = get_ip_address($cfg);
 451     } else {
 452         $ip = "";
 453     }
 454
 455     echo jirafeau_async_init(
 456         $_POST['filename'],
 457         $type,
 458         isset($_POST['one_time_download']),
 459         $key,
 460         $time,
 461         $ip
 462     );
 463 }
 464 /* Continue an asynchronous upload. */
 465 elseif (isset($_GET['push_async'])) {
 466     if ((!isset($_POST['ref']))
 467         || (!isset($_FILES['data']))
 468         || (!isset($_POST['code']))) {
 469         echo 'Error 23';
 470     } else {
 471         echo jirafeau_async_push(
 472             $_POST['ref'],
 473             $_FILES['data'],
 474             $_POST['code'],
 475             $cfg['maximal_upload_size']
 476         );
 477     }
 478 }
 479 /* Finalize an asynchronous upload. */
 480 elseif (isset($_GET['end_async'])) {
 481     if (!isset($_POST['ref'])
 482         || !isset($_POST['code'])) {
 483         echo 'Error 24';
 484     } else {
 485         echo jirafeau_async_end($_POST['ref'], $_POST['code'], $cfg['enable_crypt'], $cfg['link_name_length'], $cfg['file_hash']);
 486     }
 487 } else {
 488     echo 'Error 25';
 489 }
 490 exit;
 491 ?>