add callback support to StandardWriter

[dogancanbakir]

Proposed changes

Closes #4329

$ go run .
BEEP FOUND RESULT
{"template":"ssl/tls-version.yaml","template-url":"https://cloud.projectdiscovery.io/public/tls-version","template-id":"tls-version","template-path":"/Users/dogancanbakir/nuclei-templates/ssl/tls-version.yaml","info":{"name":"TLS Version - Detect","author":["pdteam","pussycat0x"],"tags":["ssl","tls"],"description":"TLS version detection is a security process used to determine the version of the Transport Layer Security (TLS) protocol used by a computer or server.\nIt is important to detect the TLS version in order to ensure secure communication between two computers or servers.\n","severity":"info","metadata":{"max-request":4}},"type":"ssl","host":"scanme.sh","port":"443","matched-at":"scanme.sh:443","extracted-results":["tls10"],"ip":"128.199.158.128","timestamp":"2024-03-06T15:23:31.957787+03:00","matcher-status":true}
[0:00:01] | Templates: 1 | Hosts: 3 | RPS: 0 | Matched: 1 | Errors: 0 | Requests: 0/12 (0%)
BEEP FOUND RESULT
{"template":"ssl/tls-version.yaml","template-url":"https://cloud.projectdiscovery.io/public/tls-version","template-id":"tls-version","template-path":"/Users/dogancanbakir/nuclei-templates/ssl/tls-version.yaml","info":{"name":"TLS Version - Detect","author":["pdteam","pussycat0x"],"tags":["ssl","tls"],"description":"TLS version detection is a security process used to determine the version of the Transport Layer Security (TLS) protocol used by a computer or server.\nIt is important to detect the TLS version in order to ensure secure communication between two computers or servers.\n","severity":"info","metadata":{"max-request":4}},"type":"ssl","host":"scanme.sh","port":"443","matched-at":"scanme.sh:443","extracted-results":["tls11"],"ip":"128.199.158.128","timestamp":"2024-03-06T15:23:32.677028+03:00","matcher-status":true}
...
^Csignal: interrupt

Checklist

• Pull request is created against the dev branch
• All checks passed (lint, unit/integration/regression tests etc.) with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[tarunKoyalwar]

when sdk users , use / implement customWriter , we should consider that it mostly likely will not be a standardWriter and could be any implementation ( ex: it could be testutils.MockOutputWriter : which we usually use ) or something else )

i think currently the best way is to use

nuclei/pkg/output/multi_writer.go

Line 7 in 9bd4db3

type MultiWriter struct {

( MultiWriter )

i.e if user already implements a Writer then create a new testutils.MockOutputWriter and assign these callbacks , and combine these two using MulitWriter

what you think ?

[tarunKoyalwar]

lgtm !