", $token); } } // If we find a "(" after a "p::clean" then start counting levels of parens and assume // that we're inside a p::clean() call until we find the matching close paren. if ($token[0] == "(" && $str == "p::clean") { $in_p_clean = 1; } else if ($token[0] == "(" && $in_p_clean) { $in_p_clean++; } else if ($token[0] == ")" && $in_p_clean) { $in_p_clean--; } // Concatenate runs of strings for convenience, which we use above to figure out if we're // inside a p::clean() call or not if ($token[0] == T_STRING || $token[0] == T_DOUBLE_COLON) { $str .= $token[1]; } else { $str = null; } // Scan for any occurrences of < ? = $variable ? > and store it in $expr if ($token[0] == T_OPEN_TAG_WITH_ECHO) { $php++; } else if ($php && $token[0] == T_CLOSE_TAG) { $php--; } else if ($php && $token[0] == T_VARIABLE) { if (!$expr) { $entry = array($token[2], $in_p_clean); } $expr .= $token[1]; } else if ($expr) { if ($token[0] == T_OBJECT_OPERATOR) { $expr .= $token[1]; } else if ($token[0] == T_STRING) { $expr .= $token[1]; } else if ($token == "(") { $expr .= $token; $level++; } else if ($level > 0 && $token == ")") { $expr .= $token; $level--; } else if ($level > 0) { $expr .= is_array($token) ? $token[1] : $token; } else { $entry[] = $expr; $found[$view][] = $entry; $expr = null; $entry = null; } } } } $canonical = MODPATH . "gallery/tests/xss_data.txt"; $new = TMPPATH . "xss_data.txt"; $fd = fopen($new, "wb"); ksort($found); foreach ($found as $view => $entries) { foreach ($entries as $entry) { fwrite($fd, sprintf("%-60s %-3s %-5s %s\n", $view, $entry[0], $entry[1] ? "" : "DIRTY", $entry[2])); } } fclose($fd); exec("diff $canonical $new", $output, $return_value); $this->assert_false( $return_value, "XSS golden file mismatch. Output:\n" . implode("\n", $output) ); } }