X-Git-Url: https://git.p6c8.net/jirafeau.git/blobdiff_plain/b6f423726c6f71c769fc7d7f3b842f623595a808..4ce96e7519f384ccd7e232db2802aa704636a560:/lib/functions.php
diff --git a/lib/functions.php b/lib/functions.php
index 3c432b6..cf89593 100644
--- a/lib/functions.php
+++ b/lib/functions.php
@@ -20,7 +20,7 @@
*/
/**
- * Transform a string in a path by seperating each letters by a '/'.
+ * Transform a string in a path by separating each letters by a '/'.
* @return path finishing with a '/'
*/
function s2p($s)
@@ -28,7 +28,7 @@ function s2p($s)
$block_size = 8;
$p = '';
for ($i = 0; $i < strlen($s); $i++) {
- $p .= $s{$i};
+ $p .= $s[$i];
if (($i + 1) % $block_size == 0) {
$p .= '/';
}
@@ -68,16 +68,16 @@ function base_16_to_64($num)
# Convert long hex string to bin.
$size = strlen($num);
for ($i = 0; $i < $size; $i++) {
- $b .= $hex2bin{hexdec($num{$i})};
+ $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;
+ $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;
+ $o = $m[bindec(substr($b, 0, $i + 6))] . $o;
}
return $o;
}
@@ -101,6 +101,19 @@ function jirafeau_gen_random($l)
return $code;
}
+function jirafeau_gen_download_pass($length, $allowed_chars)
+{
+ if ($length <= 0) {
+ return false;
+ }
+ $pass="";
+ for ($i = 0; $i < $length; $i++) {
+ $pass .= $allowed_chars[rand(0, strlen($allowed_chars) - 1)];
+ }
+
+ return $pass;
+}
+
function is_ssl()
{
if (isset($_SERVER['HTTPS'])) {
@@ -148,6 +161,9 @@ function jirafeau_clean_rm_link($link)
if (file_exists(VAR_LINKS . $p . $link)) {
unlink(VAR_LINKS . $p . $link);
}
+ if (file_exists(VAR_LINKS . $p . $link . '_download')) {
+ unlink(VAR_LINKS . $p . $link . '_download');
+ }
$parse = VAR_LINKS . $p;
$scan = array();
while (file_exists($parse)
@@ -190,20 +206,23 @@ function jirafeau_ini_to_bytes($value)
$modifier = substr($value, -1);
$bytes = substr($value, 0, -1);
switch (strtoupper($modifier)) {
- case 'P':
- $bytes *= 1024;
- // no break
- case 'T':
- $bytes *= 1024;
- // no break
- case 'G':
- $bytes *= 1024;
- // no break
- case 'M':
- $bytes *= 1024;
- // no break
- case 'K':
- $bytes *= 1024;
+ default:
+ return intval($value);
+ break;
+ case 'P':
+ $bytes *= 1024;
+ // no break
+ case 'T':
+ $bytes *= 1024;
+ // no break
+ case 'G':
+ $bytes *= 1024;
+ // no break
+ case 'M':
+ $bytes *= 1024;
+ // no break
+ case 'K':
+ $bytes *= 1024;
}
return $bytes;
}
@@ -229,6 +248,30 @@ function jirafeau_get_max_upload_size()
return jirafeau_human_size(jirafeau_get_max_upload_size_bytes());
}
+/**
+ * get the maximal upload size for a data chunk in async uploads
+ * @param max_upload_chunk_size_bytes
+ */
+function jirafeau_get_max_upload_chunk_size_bytes($max_upload_chunk_size_bytes = 0)
+{
+ if ($max_upload_chunk_size_bytes == 0) {
+ $size = jirafeau_get_max_upload_size_bytes();
+ // Jirafeau must choose an arbitrary number as PHP config does not give any limit nor $max_upload_chunk_size_bytes
+ if ($size == 0) {
+ return 10000000; // 10MB
+ }
+ return $size;
+ }
+ $size = min(
+ jirafeau_get_max_upload_size_bytes(),
+ $max_upload_chunk_size_bytes
+ );
+ if ($size == 0) {
+ return $max_upload_chunk_size_bytes;
+ }
+ return $size;
+}
+
/**
* gets a string explaining the error
* @param $code the error code
@@ -237,19 +280,19 @@ function jirafeau_get_max_upload_size()
function jirafeau_upload_errstr($code)
{
switch ($code) {
- case UPLOAD_ERR_INI_SIZE:
- case UPLOAD_ERR_FORM_SIZE:
- return t('Your file exceeds the maximum authorized file size. ');
+ case UPLOAD_ERR_INI_SIZE:
+ case UPLOAD_ERR_FORM_SIZE:
+ return t('Your file exceeds the maximum authorized file size. ');
- case UPLOAD_ERR_PARTIAL:
- case UPLOAD_ERR_NO_FILE:
- return
- t('Your file was not uploaded correctly. You may succeed in retrying. ');
+ case UPLOAD_ERR_PARTIAL:
+ case UPLOAD_ERR_NO_FILE:
+ return
+ t('Your file was not uploaded correctly. You may succeed in retrying. ');
- case UPLOAD_ERR_NO_TMP_DIR:
- case UPLOAD_ERR_CANT_WRITE:
- case UPLOAD_ERR_EXTENSION:
- return t('Internal error. You may not succeed in retrying. ');
+ case UPLOAD_ERR_NO_TMP_DIR:
+ case UPLOAD_ERR_CANT_WRITE:
+ case UPLOAD_ERR_EXTENSION:
+ return t('Internal error. You may not succeed in retrying. ');
}
return t('Unknown error. ');
}
@@ -418,7 +461,7 @@ function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $l
}
}
- /* file informations */
+ /* file information */
$hash = jirafeau_hash_file($file_hash_method, $file['tmp_name']);
$name = str_replace(NL, '', trim($file['name']));
$mime_type = $file['type'];
@@ -509,10 +552,15 @@ function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $l
function jirafeau_is_viewable($mime)
{
if (!empty($mime)) {
- /* Actually, verify if mime-type is an image or a text. */
- $viewable = array('image', 'text', 'video', 'audio');
+ $viewable = array('image', 'video', 'audio');
$decomposed = explode('/', $mime);
- return in_array($decomposed[0], $viewable);
+ if (in_array($decomposed[0], $viewable) && strpos($mime, 'image/svg+xml') === false) {
+ return true;
+ }
+ $viewable = array('text/plain');
+ if (in_array($mime, $viewable)) {
+ return true;
+ }
}
return false;
}
@@ -559,13 +607,15 @@ function show_errors()
function check_errors($cfg)
{
- if (file_exists(JIRAFEAU_ROOT . 'install.php')
- && !($cfg['installation_done'] === true)) {
- header('Location: install.php');
- exit;
+ if (!($cfg['installation_done'] === true)) {
+ if (file_exists(JIRAFEAU_ROOT . 'install.php')) {
+ header('Location: install.php');
+ exit;
+ } else {
+ add_error(t('INSTALL_FILE_NOT_FOUND_TITLE'), t('INSTALL_FILE_NOT_FOUND_DESC'));
+ }
}
- /* Checking for errors. */
if (!is_writable(VAR_FILES)) {
add_error(t('FILE_DIR_W'), VAR_FILES);
}
@@ -588,8 +638,8 @@ function check_errors($cfg)
}
/**
- * Read link informations
- * @return array containing informations.
+ * Read link information
+ * @return array containing information.
*/
function jirafeau_get_link($hash)
{
@@ -654,11 +704,12 @@ function jirafeau_admin_list($name, $file_hash, $link_hash)
/* Push new found directory. */
$stack[] = $d . $node . '/';
} elseif (is_file($d . $node)) {
- /* Read link informations. */
+ /* Read link information. */
$l = jirafeau_get_link($node);
if (!count($l)) {
continue;
}
+ $ld = jirafeau_get_download_stats($node);
/* Filter. */
if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
@@ -670,7 +721,7 @@ function jirafeau_admin_list($name, $file_hash, $link_hash)
if (!empty($link_hash) && $link_hash != $node) {
continue;
}
- /* Print link informations. */
+ /* Print link information. */
echo '
';
echo '' .
'' .
'' .
@@ -730,7 +788,7 @@ function jirafeau_admin_clean()
/* Push new found directory. */
$stack[] = $d . $node . '/';
} elseif (is_file($d . $node)) {
- /* Read link informations. */
+ /* Read link information. */
$l = jirafeau_get_link(basename($node));
if (!count($l)) {
continue;
@@ -750,7 +808,7 @@ function jirafeau_admin_clean()
/**
- * Clean old async transferts.
+ * Clean old async transfers.
* @return number of cleaned files.
*/
function jirafeau_admin_clean_async()
@@ -771,12 +829,12 @@ function jirafeau_admin_clean_async()
/* Push new found directory. */
$stack[] = $d . $node . '/';
} elseif (is_file($d . $node)) {
- /* Read async informations. */
+ /* Read async information. */
$a = jirafeau_get_async_ref(basename($node));
if (!count($a)) {
continue;
}
- /* Delete transferts older than 1 hour. */
+ /* Delete transfers older than 1 hour. */
if (time() - $a['last_edited'] > 3600) {
jirafeau_async_delete(basename($node));
$count++;
@@ -786,9 +844,108 @@ function jirafeau_admin_clean_async()
}
return $count;
}
+
+/**
+ * Better strval function for debug purposes
+ */
+function jirafeau_strval($value)
+{
+ if (gettype($value) == "boolean") {
+ return $value ? 'true' : 'false';
+ }
+ return strval($value);
+}
+
+/**
+ * Show file/folder permissions
+ */
+function jirafeau_fileperms($path)
+{
+ $out = substr(sprintf("%o", @fileperms($path)), -4) . ", ";
+ $out .= "read " . (is_readable($path) ? "OK" : "KO") . ", ";
+ $out .= "write " . (is_writable($path) ? "OK" : "KO");
+ return $out;
+}
+
/**
- * Read async transfert informations
- * @return array containing informations.
+ * Show some useful informations for bug reporting.
+ */
+function jirafeau_admin_bug_report($cfg)
+{
+ $out = "";
+ return $out;
+}
+
+/**
+ * Read async transfer information
+ * @return array containing information.
*/
function jirafeau_get_async_ref($ref)
{
@@ -812,7 +969,7 @@ function jirafeau_get_async_ref($ref)
}
/**
- * Delete async transfert informations
+ * Delete async transfer information
*/
function jirafeau_async_delete($ref)
{
@@ -836,17 +993,15 @@ function jirafeau_async_delete($ref)
/**
* Init a new asynchronous upload.
- * @param $finename Name of the file to send
+ * @param $filename Name of the file to send
* @param $one_time One time upload parameter
* @param $key eventual password (or blank)
* @param $time time limit
* @param $ip ip address of the client
- * @return a string containing a temporary reference followed by a code or the string 'Error'
+ * @return a string containing a temporary reference followed by a code or a string starting with 'Error'
*/
function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
{
- $res = 'Error';
-
/* Create temporary folder. */
$ref;
$p;
@@ -857,8 +1012,7 @@ function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
} while (file_exists($p));
@mkdir($p, 0755, true);
if (!file_exists($p)) {
- echo 'Error';
- return;
+ return 'Error: cannot create async folder.';
}
/* touch empty data file */
@@ -871,7 +1025,7 @@ function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
$password = md5($key);
}
- /* Store informations. */
+ /* Store information. */
$p .= $ref;
$handle = fopen($p, 'w');
fwrite(
@@ -892,7 +1046,7 @@ function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
* @param $file piece of data
* @param $code client code for this operation
* @param $max_file_size maximum allowed file size
- * @return a string containing a next code to use or the string "Error"
+ * @return a string containing a next code to use or a string starting with 'Error'
*/
function jirafeau_async_push($ref, $data, $code, $max_file_size)
{
@@ -900,11 +1054,22 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
$a = jirafeau_get_async_ref($ref);
/* Check some errors. */
- if (count($a) == 0
- || $a['next_code'] != "$code"
- || empty($data['tmp_name'])
- || !is_uploaded_file($data['tmp_name'])) {
- return 'Error';
+ if (count($a) == 0) {
+ return "Error: cannot find transfer";
+ }
+ if ($a['next_code'] != "$code") {
+ return "Error: bad transfer code";
+ }
+ if ($data['error'] != UPLOAD_ERR_OK) {
+ // Check error code in https://www.php.net/manual/en/features.file-upload.errors.php
+ $data_details = print_r($data, true);
+ return "Error: upload error: {$data_details}";
+ }
+ if (empty($data['tmp_name'])) {
+ return "Error: missing tmp_name";
+ }
+ if (!is_uploaded_file($data['tmp_name'])) {
+ return "Error: tmp_name may not be uploaded";
}
$p = s2p($ref);
@@ -917,7 +1082,7 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
if ($max_file_size > 0 &&
filesize($r_path) + filesize($w_path) > $max_file_size * 1024 * 1024) {
jirafeau_async_delete($ref);
- return 'Error';
+ return "Error: file size is above upload limit";
}
/* Concatenate data. */
@@ -928,7 +1093,7 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
fclose($r);
fclose($w);
jirafeau_async_delete($ref);
- return 'Error';
+ return "Error: cannot write file";
}
}
fclose($r);
@@ -949,12 +1114,12 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
}
/**
- * Finalyze an asynchronous upload.
+ * Finalize an asynchronous upload.
* @param $ref asynchronous upload reference
* @param $code client code for this operation
* @param $crypt boolean asking to crypt or not
* @param $link_name_length link name length
- * @return a string containing the download reference followed by a delete code or the string 'Error'
+ * @return a string containing the download reference followed by a delete code or a string starting with 'Error'
*/
function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_method)
{
@@ -962,13 +1127,13 @@ function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_m
$a = jirafeau_get_async_ref($ref);
if (count($a) == 0
|| $a['next_code'] != "$code") {
- return "Error";
+ return "Error: bad code for ending transfer";
}
/* Generate link infos. */
$p = VAR_ASYNC . s2p($ref) . $ref . "_data";
if (!file_exists($p)) {
- return 'Error';
+ return "Error: referenced file does not exist";
}
$crypted = false;
@@ -1016,9 +1181,11 @@ function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_m
fclose($handle);
$hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
$l = s2p("$hash_link");
- if (!@mkdir(VAR_LINKS . $l, 0755, true) ||
- !rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
- return 'Error';
+ if (!@mkdir(VAR_LINKS . $l, 0755, true)) {
+ return "Error: cannot create folder in LINKS";
+ }
+ if (!rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
+ return "Error: cannot rename file in LINKS";
}
/* Clean async upload. */
@@ -1060,10 +1227,13 @@ function jirafeau_encrypt_file($fp_src, $fp_dst)
/* Crypt file. */
$r = fopen($fp_src, 'r');
$w = fopen($fp_dst, 'c');
- while (!feof($r)) {
- $enc = mcrypt_generic($m, fread($r, 1024));
- if (fwrite($w, $enc) === false) {
- return '';
+ while (!feof($r)) {
+ $to_enc = fread($r, 1024);
+ if (strlen($to_enc) > 0) {
+ $enc = mcrypt_generic($m, $to_enc);
+ if (fwrite($w, $enc) === false) {
+ return '';
+ }
}
}
fclose($r);
@@ -1331,7 +1501,7 @@ function jirafeau_admin_session_start()
$_SESSION['admin_csrf'] = md5(uniqid(mt_rand(), true));
}
-function jirafeau_admin_session_end()
+function jirafeau_session_end()
{
$_SESSION = array();
session_destroy();
@@ -1351,6 +1521,17 @@ function jirafeau_admin_csrf_field()
return "";
}
+function jirafeau_user_session_start()
+{
+ $_SESSION['user_auth'] = true;
+}
+
+function jirafeau_user_session_logged()
+{
+ return isset($_SESSION['user_auth']) &&
+ $_SESSION['user_auth'] === true;
+}
+
function jirafeau_dir_size($dir)
{
$size = 0;
@@ -1359,3 +1540,104 @@ function jirafeau_dir_size($dir)
}
return $size;
}
+
+function jirafeau_export_cfg($cfg)
+{
+ $content = ' true,
+ 'why' => $mkdir_str1 . '
' .
+ $path . ' ' . $solution_str .
+ ' ' . $mkdir_str2);
+ }
+
+ foreach (array('files', 'links', 'async') as $subdir) {
+ $subpath = $path.$subdir;
+
+ if (!jirafeau_mkdir($subpath) || !jirafeau_is_writable($subpath)) {
+ return array('has_error' => true,
+ 'why' => $mkdir_str1 . '
' .
+ $subpath . ' ' . $solution_str .
+ ' ' . $mkdir_str2);
+ }
+ }
+
+ return array('has_error' => false, 'why' => '');
+}
+
+function jirafeau_add_ending_slash($path)
+{
+ return $path . ((substr($path, -1) == '/') ? '' : '/');
+}
+
+function jirafeau_default_web_root()
+{
+ return $_SERVER['HTTP_HOST'] . str_replace('install.php', '', $_SERVER['REQUEST_URI']);
+}
+
+function jirafeau_get_download_stats($hash)
+{
+ $filename = VAR_LINKS . s2p("$hash") . $hash . '_download';
+
+ if (!file_exists($filename)) {
+ return array('count'=>0);
+ }
+
+ $c = file($filename);
+ $data['count'] = trim($c[0]);
+ $data['date'] = trim($c[1]);
+ $data['ip'] = trim($c[2]);
+
+ return $data;
+}
+
+function jirafeau_write_download_stats($hash, $ip)
+{
+ $data = jirafeau_get_download_stats($hash);
+ $count = $data['count'];
+ $count++;
+
+ $filename = VAR_LINKS . s2p("$hash") . $hash . '_download';
+
+ $handle = fopen($filename, 'w');
+ fwrite($handle, $count . NL . time() . NL . $ip);
+ fclose($handle);
+}
|