X-Git-Url: https://git.p6c8.net/jirafeau.git/blobdiff_plain/be4715096f9a63d823da90c405f500d454247989..5aa1e87de607c31282dec602978624de9e636cba:/lib/functions.php diff --git a/lib/functions.php b/lib/functions.php index c42293b..4736b7f 100644 --- a/lib/functions.php +++ b/lib/functions.php @@ -143,7 +143,6 @@ function jirafeau_human_size($octets) // Convert UTC timestamp to a datetime field function jirafeau_get_datetimefield($timestamp) { - $ts = date_create("@" . $timestamp); $content = '' . date_format($ts, 'Y-m-d H:i') . ' (GMT)'; @@ -460,8 +459,9 @@ function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $l if ($crypt == true && extension_loaded('sodium') == true) { $crypt_key = jirafeau_encrypt_file($file['tmp_name'], $file['tmp_name'].'crypt'); if (strlen($crypt_key) > 0) { - $crypted = true; - rename($file['tmp_name'].'crypt', $file['tmp_name']); + if (rename($file['tmp_name'].'crypt', $file['tmp_name']) === true) { + $crypted = true; + } } } @@ -878,7 +878,7 @@ function jirafeau_fileperms($path) function jirafeau_admin_bug_report($cfg) { $out = "
" . t('REPORTING_AN_ISSUE') . ""; - $out .= "If you have a problem related to Jirafeau, please open an issue, explain your problem in english and copy-paste the following content:

"; + $out .= "If you have a problem related to Jirafeau, please open an issue, explain your problem in english and copy-paste the following content:

"; $out .= "# Jirafeau
"; $out .= "- version: " . JIRAFEAU_VERSION . "
"; @@ -1145,11 +1145,11 @@ function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_m $crypted = false; $crypt_key = ''; if ($crypt == true && extension_loaded('sodium') == true) { - //$crypt_key = jirafeau_encrypt_file($p, $p); $crypt_key = jirafeau_encrypt_file($p, $p.'.crypt'); if (strlen($crypt_key) > 0) { - $crypted = true; - rename($p.'.crypt', $p); + if (rename($p.'.crypt', $p) === true) { + $crypted = true; + } } } @@ -1212,15 +1212,15 @@ function jirafeau_crypt_create_iv($base, $size) } /** - * Crypt file and returns decrypt key. + * Crypt file using Sodium and returns decrypt key. * @param $fp_src file path to the file to crypt. - * @param $fp_dst file path to the file to write crypted file (could be the same). - * @return decrypt key composed of the key and the iv separated by a point ('.') + * @param $fp_dst file path to the file to write crypted file (must not be the same). + * @return key used to encrypt the file */ function jirafeau_encrypt_file($fp_src, $fp_dst) { $fs = filesize($fp_src); - if ($fs === false || $fs == 0 || !(extension_loaded('sodium') == true)) { + if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) { return ''; } @@ -1238,7 +1238,7 @@ function jirafeau_encrypt_file($fp_src, $fp_dst) $enc = sodium_crypto_secretstream_xchacha20poly1305_push($crypt_state, $to_enc); if (fwrite($w, $enc) === false) { - return ''; + return ''; } } @@ -1252,36 +1252,41 @@ function jirafeau_encrypt_file($fp_src, $fp_dst) } /** - * Decrypt file. + * Decrypt file using Sodium. * @param $fp_src file path to the file to decrypt. - * @param $fp_dst file path to the file to write decrypted file (could be the same). - * @param $k string composed of the key and the iv separated by a point ('.') - * @return key used to decrypt. a string of length 0 is returned if failed. + * @param $fp_dst file path to the file to write decrypted file (must not be the same). + * @param $k decryption key + * @return true if decryption succeeded, false otherwise */ function jirafeau_decrypt_file($fp_src, $fp_dst, $k) { $fs = filesize($fp_src); - if ($fs === false || $fs == 0 || extension_loaded('sodium') == false) { + if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) { return false; } /* Decrypt file. */ - $r = fopen(VAR_FILES . $p . $link['hash'], 'rb'); + $r = fopen($fp_src, 'rb'); + $w = fopen($fp_dst, 'wb'); $crypt_header = fread($r, SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES); /* Init module. */ - $crypt_state = sodium_crypto_secretstream_xchacha20poly1305_init_pull($crypt_header, $crypt_key); + $crypt_state = sodium_crypto_secretstream_xchacha20poly1305_init_pull($crypt_header, $k); /* Decrypt file. */ for ($i = SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES; $i < $fs; $i += JIRAFEAU_SODIUM_CHUNKSIZE + SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES) { $to_dec = fread($r, JIRAFEAU_SODIUM_CHUNKSIZE + SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES); [$dec, $crypt_tag] = sodium_crypto_secretstream_xchacha20poly1305_pull($crypt_state, $to_dec); - echo $dec; + + if (fwrite($w, $dec) === false) { + return false; + } } fclose($r); + fclose($w); /* Cleanup. */ sodium_memzero($crypt_state); @@ -1290,11 +1295,11 @@ function jirafeau_decrypt_file($fp_src, $fp_dst, $k) } /** - * Decrypt file. + * Decrypt file using mcrypt. * @param $fp_src file path to the file to decrypt. * @param $fp_dst file path to the file to write decrypted file (could be the same). * @param $k string composed of the key and the iv separated by a point ('.') - * @return key used to decrypt. a string of length 0 is returned if failed. + * @return true if decryption succeeded, false otherwise */ function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k) { @@ -1309,6 +1314,8 @@ function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k) $crypt_key = $k; $hash_key = md5($crypt_key); $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m)); + /* Init module. */ + mcrypt_generic_init($m, $hash_key, $iv); /* Decrypt file. */ $r = fopen($fp_src, 'r'); $w = fopen($fp_dst, 'c');