Change sensitive configs type to Password.

[mashhurs]

Description

This PR ensures to protect the password, security_token and client_secret from leaks in the debug logs.

• Closes Change sensitive config types to Password. #34

Test

# config
input {
      salesforce {
        client_id => "OAUTH_CLIENT_ID_FROM_YOUR_SFDC_APP"
        client_secret => "OAUTH_CLIENT_SECRET"
        username => "email@example.com"
        password => "super-secret"
        security_token => "SECURITY_TOKEN"
        sfdc_object_name => "Opportunity"
      }
}
output {
    stdout {}
}

# Log before change
# Log before change
[2022-12-01T18:05:17,380][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@password = "super-secret"
[2022-12-01T18:05:17,380][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@sfdc_object_name = "Opportunity"
[2022-12-01T18:05:17,380][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@security_token = "SECURITY_TOKEN"
[2022-12-01T18:05:17,380][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@client_secret = "OAUTH_CLIENT_SECRET"
[2022-12-01T18:05:17,380][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@id = "bd7dc92c85796c3ea5c00db2b609c7de40dbe32a5b98bf14df4a66139f117090"
[2022-12-01T18:05:17,380][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@client_id = "OAUTH_CLIENT_ID_FROM_YOUR_SFDC_APP"

# Log after change
[2022-12-01T18:01:36,390][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@password = <password>
[2022-12-01T18:01:36,390][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@sfdc_object_name = "Opportunity"
[2022-12-01T18:01:36,390][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@security_token = <password>
[2022-12-01T18:01:36,390][DEBUG][logstash.inputs.salesforce] config LogStash::Inputs::Salesforce/@client_secret = <password>

[roaksoax]

lgtm!