Fixes
https://linear.app/chatwoot/issue/PLA-99/whatsapp-messages-dropped-for-brazilargentina-numbers-due-to-phone
Fixes https://github.com/chatwoot/chatwoot/issues/14492
Meta's WhatsApp Cloud API includes `display_phone_number` in webhook
payloads, but its format can differ from the number stored in Chatwoot's
channel record.
In Brazil, Meta omits the mobile 9 prefix. For example, it sends
55419XXXXXXX (12 digits) instead of 554199XXXXXXX (13 digits). In
Argentina, Meta adds an extra 9 after the country code. For example, it
sends 549XXXXXXXXXX instead of 54XXXXXXXXXX.
The whatsapp event job uses `display_phone_number` for an exact-match
channel lookup. When the formats do not match, the lookup returns nil
and the incoming message is silently dropped, logging:
`Inactive WhatsApp channel: unknown - <phone_number>.`
The fix extends `get_channel_from_wb_payload` to fall back to normalized
phone number matching using the existing PhoneNumberNormalizationService
normalizers (Brazil, Argentina), which were previously only used for
contact-level lookups.
---------
Co-authored-by: Sojan Jose <sojan@pepalo.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Muhsin <12408980+muhsin-k@users.noreply.github.com>
## Description
* Added Meta webhook HMAC validation in meta_token_verify_concern.rb.
* Wired it into instagram_controller.rb and whatsapp_controller.rb.
* WhatsApp now verifies X-Hub-Signature-256 with WHATSAPP_APP_SECRET.
* Instagram now verifies with either FB_APP_SECRET or
INSTAGRAM_APP_SECRET.
* Updated request specs so missing/invalid signatures return 401 and
valid signatures still enqueue jobs.
Fixes # (issue):
[CW-6786](https://linear.app/chatwoot/issue/CW-6786/ghsa-7rw7-pc8v-mrr3-unauthenticated-message-injection-via-missing)
## Type of change
Please delete options that are not relevant.
- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality not to work as expected)
- [ ] This change requires a documentation update
## How Has This Been Tested?
* Updated the controller specs and ran them successfully.
* The original issue is no longer reproducible.
## Checklist:
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules
---------
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
- Add a warning logger for cases where we are getting webhook events for
inactive numbers.
- Add config to discard events for inactive numbers so that the meta
will stop sending events
---------
Co-authored-by: Pranav <pranav@chatwoot.com>
