function
base_16_to_64 ($num)
{
- $o = '';
- $m = implode ('', array_merge (range (0,9),
- range ('a', 'z'),
- range ('A', 'Z'),
- ['-', '_']));
+ $m = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
+ $hex2bin = array ('0000', # 0
+ '0001', # 1
+ '0010', # 2
+ '0011', # 3
+ '0100', # 4
+ '0101', # 5
+ '0110', # 6
+ '0111', # 7
+ '1000', # 8
+ '1001', # 9
+ '1010', # a
+ '1011', # b
+ '1100', # c
+ '1101', # d
+ '1110', # e
+ '1111'); # f
+ $o = '';
+ $b = '';
$i = 0;
+ # Convert long hex string to bin.
$size = strlen ($num);
- $b='';
for ($i = 0; $i < $size; $i++)
- $b .= base_convert ($num{$i}, 16, 2);
- $size = strlen ($b);
+ $b .= $hex2bin{hexdec ($num{$i})};
+ # Convert long bin to base 64.
+ $size *= 4;
for ($i = $size - 6; $i >= 0; $i -= 6)
$o = $m{bindec (substr ($b, $i, 6))} . $o;
+ # Some few bits remaining ?
if ($i < 0 && $i > -6)
$o = $m{bindec (substr ($b, 0, $i + 6))} . $o;
return $o;
}
+/**
+ * Generate a random code.
+ * @param $l code length
+ * @return random code.
+ */
+function
+jirafeau_gen_random ($l)
+{
+ if ($l <= 0)
+ return 42;
+
+ $code="";
+ for ($i = 0; $i < $l; $i++)
+ $code .= dechex (rand (0, 15));
+
+ return $code;
+}
+
function
jirafeau_human_size ($octets)
{
return $bytes;
}
+/**
+ * gets the maximum upload size according to php.ini
+ * @returns the maximum upload size in bytes
+ */
+function
+jirafeau_get_max_upload_size_bytes ()
+{
+ return min (jirafeau_ini_to_bytes (ini_get ('post_max_size')),
+ jirafeau_ini_to_bytes (ini_get ('upload_max_filesize')));
+}
+
/**
* gets the maximum upload size according to php.ini
* @returns the maximum upload size string
/* file informations */
$md5 = md5_file ($file['tmp_name']);
- $name = trim ($file['name']);
+ $name = str_replace (NL, '', trim ($file['name']));
$mime_type = $file['type'];
$size = $file['size'];
'delete_link' => ''));
}
- /* increment or create count file */
+ /* Increment or create count file. */
$counter = 0;
if (file_exists (VAR_FILES . $p . $md5 . '_count'))
{
fclose ($handle);
/* Create delete code. */
- $delete_link_code = 0;
- for ($i = 0; $i < 8; $i++)
- $delete_link_code .= dechex (rand (0, 16));
+ $delete_link_code = jirafeau_gen_random (8);
/* md5 password or empty */
$password = '';
$handle = fopen ($link_tmp_name, 'w');
fwrite ($handle,
$name . NL. $mime_type . NL. $size . NL. $password . NL. $time .
- NL . $md5. NL . ($one_time_download ? 'O' : 'R') . NL.date ('U') .
- NL. $ip . NL. $delete_link_code . NL);
+ NL . $md5. NL . ($one_time_download ? 'O' : 'R') . NL . date ('U') .
+ NL . $ip . NL. $delete_link_code . NL);
fclose ($handle);
$md5_link = base_16_to_64 (md5_file ($link_tmp_name));
$l = s2p ("$md5_link");
return false;
}
-
// Error handling functions.
//! Global array that contains all registered errors.
$error_list = array ();
}
}
+function check_errors ()
+{
+ if (file_exists (JIRAFEAU_ROOT . 'install.php')
+ && !file_exists (JIRAFEAU_ROOT . 'lib/config.local.php'))
+ {
+ header('Location: install.php');
+ exit;
+ }
+
+ /* check if the destination dirs are writable */
+ $writable = is_writable (VAR_FILES) && is_writable (VAR_LINKS);
+
+ /* Checking for errors. */
+ if (!is_writable (VAR_FILES))
+ add_error (t('The file directory is not writable!'), VAR_FILES);
+
+ if (!is_writable (VAR_LINKS))
+ add_error (t('The link directory is not writable!'), VAR_LINKS);
+
+ if (!is_writable (VAR_ASYNC))
+ add_error (t('The async directory is not writable!'), VAR_ASYNC);
+
+ /* Check if the install.php script is still in the directory. */
+ if (file_exists (JIRAFEAU_ROOT . 'install.php'))
+ add_error (t('Installer script still present'),
+ t('Please make sure to delete the installer script ' .
+ '"install.php" before continuing.'));
+}
+
/**
* Read link informations
* @return array containing informations.
}
return $count;
}
+
+
+/**
+ * Clean old async transferts.
+ * @return number of cleaned files.
+ */
+function
+jirafeau_admin_clean_async ()
+{
+ $count = 0;
+ /* Get all links files. */
+ $stack = array (VAR_ASYNC);
+ while (($d = array_shift ($stack)) && $d != NULL)
+ {
+ $dir = scandir ($d);
+
+ foreach ($dir as $node)
+ {
+ if (strcmp ($node, '.') == 0 || strcmp ($node, '..') == 0 ||
+ preg_match ('/\.tmp/i', "$node"))
+ continue;
+
+ if (is_dir ($d . $node))
+ {
+ /* Push new found directory. */
+ $stack[] = $d . $node . '/';
+ }
+ elseif (is_file ($d . $node))
+ {
+ /* Read async informations. */
+ $a = jirafeau_get_async_ref (basename ($node));
+ if (!count ($a))
+ continue;
+ /* Delete transferts older than 1 hour. */
+ if (date ('U') - $a['last_edited'] > 3600)
+ {
+ jirafeau_async_delete (basename ($node));
+ $count++;
+ }
+ }
+ }
+ }
+ return $count;
+}
+/**
+ * Read async transfert informations
+ * @return array containing informations.
+ */
+function
+jirafeau_get_async_ref ($ref)
+{
+ $out = array ();
+ $refinfos = VAR_ASYNC . s2p ("$ref") . "$ref";
+
+ if (!file_exists ($refinfos))
+ return $out;
+
+ $c = file ($refinfos);
+ $out['file_name'] = trim ($c[0]);
+ $out['mime_type'] = trim ($c[1]);
+ $out['key'] = trim ($c[2], NL);
+ $out['time'] = trim ($c[3]);
+ $out['onetime'] = trim ($c[4]);
+ $out['ip'] = trim ($c[5]);
+ $out['last_edited'] = trim ($c[6]);
+ $out['next_code'] = trim ($c[7]);
+ return $out;
+}
+
+/**
+ * Delete async transfert informations
+ */
+function
+jirafeau_async_delete ($ref)
+{
+ $p = s2p ("$ref");
+ if (file_exists (VAR_ASYNC . $p . $ref))
+ unlink (VAR_ASYNC . $p . $ref);
+ if (file_exists (VAR_ASYNC . $p . $ref . '_data'))
+ unlink (VAR_ASYNC . $p . $ref . '_data');
+ $parse = VAR_ASYNC . $p;
+ $scan = array();
+ while (file_exists ($parse)
+ && ($scan = scandir ($parse))
+ && count ($scan) == 2 // '.' and '..' folders => empty.
+ && basename ($parse) != basename (VAR_ASYNC))
+ {
+ rmdir ($parse);
+ $parse = substr ($parse, 0, strlen($parse) - strlen(basename ($parse)) - 1);
+ }
+}
+
+/**
+ * Init a new asynchronous upload.
+ * @param $finename Name of the file to send
+ * @param $one_time One time upload parameter
+ * @param $key eventual password (or blank)
+ * @param $time time limit
+ * @param $ip ip address of the client
+ * @return a string containing a temporary reference followed by a code or the string "Error"
+ */
+function
+jirafeau_async_init ($filename, $type, $one_time, $key, $time, $ip)
+{
+ $res = 'Error';
+
+ /* Create temporary folder. */
+ $ref;
+ $p;
+ $code = jirafeau_gen_random (4);
+ do
+ {
+ $ref = jirafeau_gen_random (32);
+ $p = VAR_ASYNC . s2p ($ref);
+ } while (file_exists ($p));
+ @mkdir ($p, 0755, true);
+ if (!file_exists ($p))
+ {
+ echo "Error";
+ return;
+ }
+
+ /* md5 password or empty */
+ $password = '';
+ if (!empty ($key))
+ $password = md5 ($key);
+
+ /* Store informations. */
+ $p .= $ref;
+ $handle = fopen ($p, 'w');
+ fwrite ($handle,
+ str_replace (NL, '', trim ($filename)) . NL .
+ str_replace (NL, '', trim ($type)) . NL . $password . NL .
+ $time . NL . ($one_time ? 'O' : 'R') . NL . $ip . NL .
+ date ('U') . NL . $code . NL);
+ fclose ($handle);
+
+ return $ref . NL . $code ;
+}
+
+/**
+ * Append a piece of file on the asynchronous upload.
+ * @param $ref asynchronous upload reference
+ * @param $file piece of data
+ * @param $code client code for this operation
+ * @return a string containing a next code to use or the string "Error"
+ */
+function
+jirafeau_async_push ($ref, $data, $code)
+{
+ /* Get async infos. */
+ $a = jirafeau_get_async_ref ($ref);
+
+ /* Check some errors. */
+ if (count ($a) == 0
+ || $a['next_code'] != "$code"
+ || empty ($data['tmp_name'])
+ || !is_uploaded_file ($data['tmp_name']))
+ return "Error";
+
+ $p = s2p ($ref);
+
+ /* Concatenate data. */
+ $r = fopen ($data['tmp_name'], 'r');
+ $w = fopen (VAR_ASYNC . $p . $ref . '_data', 'a');
+ while (!feof ($r))
+ {
+ if (fwrite ($w, fread ($r, 1024)) === false)
+ {
+ fclose ($r);
+ fclose ($w);
+ jirafeau_async_delete ($ref);
+ return "Error";
+ }
+ }
+ fclose ($r);
+ fclose ($w);
+ unlink ($data['tmp_name']);
+
+ /* Update async file. */
+ $code = jirafeau_gen_random (4);
+ $handle = fopen (VAR_ASYNC . $p . $ref, 'w');
+ fwrite ($handle,
+ $a['file_name'] . NL. $a['mime_type'] . NL. $a['key'] . NL .
+ $a['time'] . NL . $a['onetime'] . NL . $a['ip'] . NL .
+ date ('U') . NL . $code . NL);
+ fclose ($handle);
+ return $code;
+}
+
+/**
+ * Finalyze an asynchronous upload.
+ * @param $ref asynchronous upload reference
+ * @param $code client code for this operation
+ * @return a string containing the download reference followed by a delete code or the string "Error"
+ */
+function
+jirafeau_async_end ($ref, $code)
+{
+ /* Get async infos. */
+ $a = jirafeau_get_async_ref ($ref);
+ if (count ($a) == 0
+ || $a['next_code'] != "$code")
+ return "Error";
+
+ /* Generate link infos. */
+ $p = VAR_ASYNC . s2p ($ref) . $ref . "_data";
+ if (!file_exists($p))
+ return "Error";
+ $md5 = md5_file ($p);
+ $size = filesize($p);
+ $np = s2p ($md5);
+ $delete_link_code = jirafeau_gen_random (8);
+
+ /* File already exist ? */
+ if (!file_exists (VAR_FILES . $np))
+ @mkdir (VAR_FILES . $np, 0755, true);
+ if (!file_exists (VAR_FILES . $np . $md5))
+ rename ($p, VAR_FILES . $np . $md5);
+
+ /* Increment or create count file. */
+ $counter = 0;
+ if (file_exists (VAR_FILES . $np . $md5 . '_count'))
+ {
+ $content = file (VAR_FILES . $np . $md5. '_count');
+ $counter = trim ($content[0]);
+ }
+ $counter++;
+ $handle = fopen (VAR_FILES . $np . $md5. '_count', 'w');
+ fwrite ($handle, $counter);
+ fclose ($handle);
+
+ /* Create link. */
+ $link_tmp_name = VAR_LINKS . $md5 . rand (0, 10000) . ' .tmp';
+ $handle = fopen ($link_tmp_name, 'w');
+ fwrite ($handle,
+ $a['file_name'] . NL . $a['mime_type'] . NL . $size . NL .
+ $a['key'] . NL . $a['time'] . NL . $md5 . NL . $a['onetime'] . NL .
+ date ('U') . NL . $a['ip'] . NL . $delete_link_code . NL);
+ fclose ($handle);
+ $md5_link = base_16_to_64 (md5_file ($link_tmp_name));
+ $l = s2p ("$md5_link");
+ if (!@mkdir (VAR_LINKS . $l, 0755, true) ||
+ !rename ($link_tmp_name, VAR_LINKS . $l . $md5_link))
+ echo "Error";
+
+ /* Clean async upload. */
+ jirafeau_async_delete ($ref);
+ return $md5_link . NL . $delete_link_code;
+}
?>
git.p6c8.net / jirafeau_project.git / blobdiff