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resign_all_code()

Description

Returns a signature for a given block of code.

Parameters

ColumnTypeDefaultDescription
$confirm bool true Require user to approve code changes when resigning from the server side.
$output bool true Display output. $confirm will override this option to provide detail if approval needed.
$output_changes_only bool false Output changes only - do not sign code.

Return

void

Location

include/encryption_functions.php lines 145 to 214

Definition

 
function resign_all_code($confirm = true, $output = true, $output_changes_only = false)
{
    if ($confirm) {
        $output = true;
    }

    $todo = array
        (
        array("resource_type_field",    "value_filter"),
        array("resource_type_field",    "onchange_macro"),
        array("resource_type_field",    "autocomplete_macro"),
        array("resource_type_field",    "exiftool_filter"),
        array("resource_type",          "config_options"),
        array("usergroup",              "config_options")
        );
    foreach ($todo as [$table, $column]) {
        $rows = ps_query("select ref,`$column` from `$table`");
        foreach ($rows as $row) {
            $code = $row[$column];
            $ref = $row["ref"];
            if (trim((string)$code) == "") {
                $code = "";
            }
            if ($output && !$output_changes_only) {
                echo $table . " -> " . $column . " -> " . $ref;
            }

            // Extract signature if already one present
            $purecode = $code;
            if (substr($code, 0, 5) == "//SIG") {
                $purecode = trim(substr($code, strpos($code, "\n") + 1));
            }

            if (trim(eval_check_signed($code)) !== trim($purecode)) {
                // Code is not signed.

                // Needs signing. Confirm it's safe.
                if ($confirm) {
                    if (!$output_changes_only) {
                        echo " needs signing\n-----------------------------\n";
                        echo $purecode;
                        echo "\n-----------------------------\nIs this code safe? (y/n)";
                        ob_flush();
                        $line = fgets(STDIN);
                        if (trim($line) != "y") {
                            exit();
                        }
                    } else {
                        echo $table . " -> " . $column . " -> " . $ref . "\n" . $code . "\n\n";
                    }
                }

                $code = trim($code);
                $code = "//SIG" . sign_code($code) . "\n" . $code;
                if (!$output_changes_only) {
                    ps_query("update `$table` set `$column`=? where ref=?", array("s",$code,"i",$ref));
                }
            } else {
                if ($output && !$output_changes_only) {
                    echo " is OK\n";
                }
            }
        }
    }
    // Clear the cache so the code uses the updated signed code.
    if (!$output_changes_only) {
        clear_query_cache("schema");
        set_sysvar("code_sign_required", "");
    }
}

This article was last updated 18th July 2025 21:35 Europe/London time based on the source file dated 21st January 2025 15:20 Europe/London time.