AbuseIPDB Integration module

[marcopolo]

I have been testing the spider detection functionality in Zen Cart to recognize my user agent string as a spider. However, I'm experiencing unexpected behavior and the spider detection does not seem to be working as intended.

Steps taken:

Modified the spiders.txt file to include the necessary entry for the user agent string I want to identify as a spider. in my case my user agent is:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36

so I added: gecko to the spiders.txt

Added debug logging statements in the code to check the values of the spider blocking flag and spider flag variables.

// Log the spider flag value for debugging
if (defined('SESSION_BLOCK_SPIDERS')) {
    error_log('AbuseIPDB Check - Spider Blocking Enabled: ' . (SESSION_BLOCK_SPIDERS ? 'true' : 'false'));
} else {
    error_log('AbuseIPDB Check - Spider Blocking status is not defined.');
}

if (isset($spider_flag)) {
    error_log('AbuseIPDB Check - Spider Flag: ' . ($spider_flag ? 'true' : 'false'));
} else {
    error_log('AbuseIPDB Check - Spider Flag is not set.');
} 

Expected the debug logs to be created and indicate that the spider blocking flag is enabled and the spider flag is set to true.

However, the debug logs were NOT created when the user agent string matched the entry in spiders.txt, but they were created when I removed the entry.

Possible considerations:

Is there additional logic or conditions in the spider detection mechanism that I might be missing?
Are there other files or functions involved in the spider detection process that I should review?
Could there be any conflicting factors or checks affecting the spider detection outcome?

I kindly request the assistance of the Zen Cart community in understanding and resolving this issue. Any insights, suggestions, or guidance would be greatly appreciated.

Thank you for your time and assistance.