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eval_check_signed()

Description

Prior to eval() checks to make sure the code has been signed first, by the offline script / migration script.

Parameters

ColumnTypeDefaultDescription
$code string The code to check

Return

string The code, if correctly signed, or an empty string if not.

Location

include/encryption_functions.php lines 97 to 112

Definition

 
function eval_check_signed($code)
    {
    // No need to sign empty string.
    if (trim($code)=="") {return "";}
    
    // Extract the signature from the code.
    $code_split=explode("\n",$code);if (count($code_split)<2) {set_sysvar("code_sign_required","YES");return "";} // Not enough lines to include a key, exit
    $signature=str_replace("//SIG","",trim($code_split[0])); // Extract signature
    $code=trim(substr($code,strpos($code,"\n")+1));

    // Code not signed correctly? Exit early.
    if ($signature!=sign_code($code)) {set_sysvar("code_sign_required","YES");return "";}

    // All is as expected, return the code ready for execution.
    return $code;
    }

This article was last updated 17th November 2024 15:35 Europe/London time based on the source file dated 1st October 2024 08:15 Europe/London time.