* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
/**
* transforms a php.ini string representing a value in an integer
* @param $value the value from php.ini
* @returns an integer for this value
*/
-function jirafeau_ini_to_bytes($value) {
- $modifier = substr($value, -1);
- $bytes = substr($value, 0, -1);
- switch(strtoupper($modifier)) {
- case 'P':
- $bytes *= 1024;
- case 'T':
- $bytes *= 1024;
- case 'G':
- $bytes *= 1024;
- case 'M':
- $bytes *= 1024;
- case 'K':
- $bytes *= 1024;
- default:
- break;
- }
- return $bytes;
+function jirafeau_ini_to_bytes ($value)
+{
+ $modifier = substr ($value, -1);
+ $bytes = substr ($value, 0, -1);
+ switch (strtoupper ($modifier))
+ {
+ case 'P':
+ $bytes *= 1024;
+ case 'T':
+ $bytes *= 1024;
+ case 'G':
+ $bytes *= 1024;
+ case 'M':
+ $bytes *= 1024;
+ case 'K':
+ $bytes *= 1024;
+ default:
+ break;
+ }
+ return $bytes;
}
/**
* gets the maximum upload size according to php.ini
* @returns the maximum upload size
*/
-function jirafeau_get_max_upload_size() {
- return min(jirafeau_ini_to_bytes(ini_get('post_max_size')), jirafeau_ini_to_bytes(ini_get('upload_max_filesize')));
-}
-
-/**
- * detects if a given filename is present in a directory and find an alternate filename
- * @param $name the initial filename
- * @param $dir the directory to explore (finishing with a '/')
- * @returns an alternate filename, possibly the initial filename
- */
-function jirafeau_detect_collision($name, $dir) {
- if(!file_exists($dir . $name)) {
- return $name;
- }
-
- $dot = strpos($name, '.');
- $dot = ($dot === false) ? strlen($name) : $dot;
- $first = substr($name, 0, $dot);
- $second = substr($name, $dot);
- $i = 1;
- do {
- $new_name = $first . '-' . $i . $second;
- $i++;
- } while(file_exists($dir . $new_name));
-
- return $new_name;
+function
+jirafeau_get_max_upload_size ()
+{
+ return min (jirafeau_ini_to_bytes (ini_get ('post_max_size')),
+ jirafeau_ini_to_bytes (ini_get ('upload_max_filesize')));
}
/**
* @param $code the error code
* @returns a string explaining the error
*/
-function jirafeau_upload_errstr($code) {
- switch($code) {
- case UPLOAD_ERR_INI_SIZE:
- case UPLOAD_ERR_FORM_SIZE:
- return _('Your file exceeds the maximum authorized file size.');
- break;
-
- case UPLOAD_ERR_PARTIAL:
- case UPLOAD_ERR_NO_FILE:
- return _('Your file was not uploaded correctly. You may succeed in retrying.');
- break;
-
- case UPLOAD_ERR_NO_TMP_DIR:
- case UPLOAD_ERR_CANT_WRITE:
- case UPLOAD_ERR_EXTENSION:
- return _('Internal error. You may not succeed in retrying.');
- break;
-
- default:
- break;
- }
- return _('Unknown error.');
+function
+jirafeau_upload_errstr ($code)
+{
+ switch ($code)
+ {
+ case UPLOAD_ERR_INI_SIZE:
+ case UPLOAD_ERR_FORM_SIZE:
+ return _('Your file exceeds the maximum authorized file size. ');
+ break;
+
+ case UPLOAD_ERR_PARTIAL:
+ case UPLOAD_ERR_NO_FILE:
+ return
+ _
+ ('Your file was not uploaded correctly. You may succeed in retrying. ');
+ break;
+
+ case UPLOAD_ERR_NO_TMP_DIR:
+ case UPLOAD_ERR_CANT_WRITE:
+ case UPLOAD_ERR_EXTENSION:
+ return _('Internal error. You may not succeed in retrying. ');
+ break;
+
+ default:
+ break;
+ }
+ return _('Unknown error. ');
+}
+
+/** Remove link and it's file
+ * @param $link the link's name (hash)
+ */
+
+function
+jirafeau_delete ($link)
+{
+ if (!file_exists ( VAR_LINKS . $link))
+ return;
+
+ $content = file ( VAR_LINKS . $link);
+ $md5 = trim ($content[5]);
+ unlink ( VAR_LINKS . $link);
+
+ $counter = 1;
+ if (file_exists ( VAR_FILES . $md5. '_count'))
+ {
+ $content = file ( VAR_FILES . $md5. '_count');
+ $counter = trim ($content[0]);
+ }
+ $counter--;
+
+ if ($counter >= 1)
+ {
+ $handle = fopen ( VAR_FILES . $md5. '_count', 'w');
+ fwrite ($handle, $counter);
+ fclose ($handle);
+ }
+
+ if ($counter == 0 && file_exists ( VAR_FILES . $md5))
+ {
+ unlink ( VAR_FILES . $md5);
+ unlink ( VAR_FILES . $md5. '_count');
+ }
}
/**
* @param $key if not empty, protect the file with this key
* @param $time the time of validity of the file
* @param $cfg the current configuration
+ * @param $ip uploader's ip
* @returns an array containing some information
* 'error' => information on possible errors
* 'link' => the link name of the uploaded file
+ * 'delete_link' => the link code to delete file
*/
-function jirafeau_upload($file, $one_time_download, $key, $time, $cfg) {
- if(empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
- return(array('error' => array('has_error' => true, 'why' => jirafeau_upload_errstr($file['error'])), 'link' => ''));
- }
-
- /* array representing no error */
- $noerr = array('has_error' => false, 'why' => '');
-
- /* file informations */
- $md5 = md5_file($file['tmp_name']);
- $name = trim($file['name']);
- $mime_type = $file['type'];
- $size = $file['size'];
-
- /* does file already exist ? */
- $rc = false;
- if(file_exists(VAR_FILES . $md5)) {
- $rc = unlink($file['tmp_name']);
- }
- elseif(move_uploaded_file($file['tmp_name'], VAR_FILES . $md5)) {
- $rc = true;
- }
- if(!$rc)
- {
- return(array(
- 'error' => array(
- 'has_error' => true,
- 'why' => _('Internal error during file creation.')),
- 'link' => '')
- );
- }
-
- /* increment or create count file */
- $counter=0;
- if(file_exists(VAR_FILES . $md5 . '_count')) {
- $content = file(VAR_FILES . $md5 . '_count');
- $counter = trim($content[0]);
- }
- $counter++;
- $handle = fopen(VAR_FILES . $md5 . '_count', 'w');
- fwrite($handle, $counter);
- fclose($handle);
-
- /* create link file */
- $link_tmp_name = VAR_LINKS . $md5 . rand(0, 10000) . '.tmp';
- $handle = fopen($link_tmp_name, 'w');
- fwrite($handle, $name . NL . $mime_type . NL . $size . NL . $key . NL . $time . NL . $md5 . NL . ($one_time_download ? 'O' : 'R') . NL . date('U') . NL);
- fclose($handle);
- $md5_link = md5_file($link_tmp_name);
- if(!rename($link_tmp_name, VAR_LINKS . $md5_link)) {
- if ($counter > 1) {
- $counter--;
- $handle = fopen(VAR_FILES . $md5 . '_count', 'w');
- fwrite($handle, $counter);
- fclose($handle);
+function
+jirafeau_upload ($file, $one_time_download, $key, $time, $cfg, $ip)
+{
+ if (empty ($file['tmp_name']) || !is_uploaded_file ($file['tmp_name']))
+ {
+ return (array(
+ 'error' =>
+ array ('has_error' => true,
+ 'why' => jirafeau_upload_errstr ($file['error'])),
+ 'link' => '',
+ 'delete_link' => ''));
}
- else {
- unlink($link_tmp_name);
- unlink(VAR_FILE . $md5 . '_count');
- unlink(VAR_FILE . $md5);
+
+ /* array representing no error */
+ $noerr = array ('has_error' => false, 'why' => '');
+
+ /* file informations */
+ $md5 = md5_file ($file['tmp_name']);
+ $name = trim ($file['name']);
+ $mime_type = $file['type'];
+ $size = $file['size'];
+
+ /* does file already exist ? */
+ $rc = false;
+ if (file_exists ( VAR_FILES . $md5))
+ {
+ $rc = unlink ($file['tmp_name']);
+ }
+ elseif (move_uploaded_file ($file['tmp_name'], VAR_FILES . $md5))
+ {
+ $rc = true;
}
- return(array(
- 'error' => array(
- 'has_error' => true,
- 'why' => _('Internal error during file creation.')),
- 'link' => '')
- );
- }
- return(array('error' => $noerr, 'link' => $md5_link));
+ if (!$rc)
+ {
+ return (array(
+ 'error' =>
+ array ('has_error' => true,
+ 'why' => _('Internal error during file creation. ')),
+ 'link' =>'',
+ 'delete_link' => ''));
+ }
+
+ /* increment or create count file */
+ $counter = 0;
+ if (file_exists (VAR_FILES . $md5 . '_count'))
+ {
+ $content = file ( VAR_FILES . $md5. '_count');
+ $counter = trim ($content[0]);
+ }
+ $counter++;
+ $handle = fopen ( VAR_FILES . $md5. '_count', 'w');
+ fwrite ($handle, $counter);
+ fclose ($handle);
+
+ /* Create delete code. */
+ $delete_link_code = 0;
+ for ($i = 0; $i < 8; $i++)
+ $delete_link_code .= dechex (rand (0, 16));
+
+ /* md5 password or empty */
+ $password = '';
+ if (!empty ($key))
+ $password = md5 ($key);
+
+ /* create link file */
+ $link_tmp_name = VAR_LINKS . $md5.rand (0, 10000) . ' .tmp';
+ $handle = fopen ($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.
+ $delete_link_code . NL);
+ fclose ($handle);
+ $md5_link = md5_file ($link_tmp_name);
+ if (!rename ($link_tmp_name, VAR_LINKS . $md5_link))
+ {
+ unlink ($link_tmp_name);
+ $counter--;
+ if ($counter >= 1)
+ {
+ $handle = fopen ( VAR_FILES . $md5. '_count', 'w');
+ fwrite ($handle, $counter);
+ fclose ($handle);
+ }
+ else
+ {
+ unlink ( VAR_FILES . $md5. '_count');
+ unlink ( VAR_FILES . $md5);
+ }
+ return (array(
+ 'error' =>
+ array ('has_error' => true,
+ 'why' => _('Internal error during file creation. ')),
+ 'link' =>'',
+ 'delete_link' => ''));
+ }
+ return (array ('error' => $noerr,
+ 'link' => $md5_link,
+ 'delete_link' => $delete_link_code));
}
/**
* @param $mime the mime type
* @returns a boolean telling if a mime type is viewable
*/
-function jirafeau_is_viewable($mime) {
- if(!empty($mime)) {
- // actually, verify if mime-type is an image or a text
- $viewable = array('image', 'text');
- $decomposed = explode('/', $mime);
- return in_array($decomposed[0], $viewable);
- }
- return false;
+function
+jirafeau_is_viewable ($mime)
+{
+ if (!empty ($mime))
+ {
+ /* Actually, verify if mime-type is an image or a text. */
+ $viewable = array ('image', 'text');
+ $decomposed = explode ('/', $mime);
+ return in_array ($decomposed[0], $viewable);
+ }
+ return false;
}
* @param $title the error's title
* @param $description is a human-friendly description of the problem.
*/
-function add_error ($title, $description) {
+function
+add_error ($title, $description)
+{
global $error_list;
- $error_list[] = '<p>' . $title . '<br />' . $description . '</p>';
+ $error_list[] = '<p>' . $title. '<br />' . $description. '</p>';
}
/**
* Informs whether any error has been registered yet.
* @return true if there are errors.
*/
-function has_error () {
+function
+has_error ()
+{
global $error_list;
return !empty ($error_list);
}
/**
* Displays all the errors.
*/
-function show_errors () {
- if (has_error ()) {
+function
+show_errors ()
+{
+ if (has_error ())
+ {
global $error_list;
echo '<div class="error">';
- foreach ($error_list as $error) {
+ foreach ($error_list as $error)
+ {
echo $error;
}
echo '</div>';