[Overkiz, Somfy] Unable to authenticate against Atlantic Cozytouch

[Math43]

The problem

Hello,

After installing a NaviClim kit to automate my four Atlantic AC, i'm unable to add Overkiz integration to HA, after entering my credentials following message is display "Authentification non valide"

https://www.atlantic.fr/Piloter-les-appareils/Via-smartphone/Solutions-connectees/Pack-Naviclim

Credentials are valid on Atlantic CozyTouch Android APP

What version of Home Assistant Core has the issue?

2022.7.5

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Supervised

Integration causing the issue

Overkiz (by Somfy)

Link to integration documentation on our website

https://www.home-assistant.io/integrations/overkiz

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response

[probot-home-assistant]

overkiz documentation
overkiz source
_{^{(message by IssueLinks)}}

[probot-home-assistant]

Hey there @iMicknl, @vlebourl, @tetienne, mind taking a look at this issue as it has been labeled with an integration (overkiz) you are listed as a code owner for? Thanks!
_{^{(message by CodeOwnersMention)}}

[iMicknl]

Thanks for reporting. We just received a similar report from another user, also using CozyTouch. iMicknl/ha-tahoma#816

Perhaps CozyTouch did change their authentication method, as other vendors have done in the past. Would you be able to contact me via Discord? (iMick#1903). Happy to have a look how we can resolve this.

Am I correct that you are a new user of CozyTouch (and thus this integration), or did it work in the past?

[Math43]

Thanks for quick reply, Yes I'm a new user of Coytouch and Overkiz integration.

I'm going to reach you over Discord as requested :) !

[sylvaindd]

Same here for me.
I will contact you via Discord in case you need some help to debug.

[nonameboy007]

Hello,

Same for me, i have the same issue too.

Keep us informed please ;-)

Cheers

[iMicknl]

@nonameboy007 please add more information, or just add a thumbs up to the original post. Are you also a new user of the CozyTouch app / hub?

[nonameboy007]

Hello @iMicknl ,

Sorry. I m a new user of the cozytouch app yes.

And when i try to login through the ha plugin, i got the folowing message: incorrect username or password. We are ok that i have to enter my email password and choose the hub atlantic cozytouch?

When i m logged in through the cozitouch atlantic app, with the same credentials, its working.

I have no log to send, because i see nothing on the ha log event.

Thanks

[sylvaindd]

It seems to come from Overkiz as Cozytouch authentication worklow works.
This API https://ha110-1.overkiz.com/enduser-mobile-web/enduserAPI/login returns the error
{ "errorCode": "AUTHENTICATION_ERROR", "error": "Bad credentials" }

[Math43]

Hello @iMicknl, any update on this issue ?

Regards,
Math

[iMicknl]

I have been busy lately, thus a later update than planned, hereby a write-up.

@sylvaindd helped me by providing a full MITM proxy file. In his case they are not using any Overkiz API servers, which is strange. As we see in the Overkiz implementation the initial login to CozyTouch server is successful and returns a token, but the login to Overkiz API with this token fails.

I spoke to @nonameboy007 and both have the Navilink thermostat with a Navilink Connect (hub). This is not an Overkiz hub and therefore we can probably not support this in the Overkiz integration.

@Math43, could you share what hardware (and hub) you use? I will see if I can clarify the error message in Overkiz integration to note that we cannot support these devices. In your start post it seems that you have a similar hub, the Navilink Connect.

In theory it would be possible to write another integration for the Navilink devices, based on the REST API from the MITM proxy file.

[nonameboy007]

Hello @iMicknl ,

I have a naviclim hub paired with a takao m2.

Tell me If you want more trace with the mitm file( to catch some api call).

Cheers

[iMicknl]

Unfortunately, your devices won't be supported in the Overkiz integration. Navilink / Naviclim devices are not based on an Overkiz hub and thus are not using the Overkiz platform. All API requests are using the Atlantic API, instead of the Overkiz API.

You could create a feature request on the Home Assistant community forum, where you include the details and discuss with other users. It should be possible to create an integration for this, but I won't be working on this.

For now, my proposal to core will be to change from

to

[Math43]

Hello @iMicknl,

I'm using same hardware as @nonameboy007, Naviclim hub with Takao M2.

Regards,
Math

[Math43]

@nonameboy007 I'm interesting in your mitm config to capture data , could you contact me in private ?

Math#7458 on discord.

Thanks !