[naviserver-devel] No notifications with webpush::send

[Wolfgang W. <wol...@di...>]

Hi list!

We are trying to send webpush messages with the naviserver webpush moule 
(webpush::send). It used to work fine a few months ago.

Now we have the following problem: When sending an empty push message with:

setmessage{}
setret [webpush::send \
            -subscription $subscription_list\
            -data $message\
            -claim [listsub mailto:${claim_email}] \
            -privateKeyPem [dictget $channelprivate_key_path] \
            -mode aesgcm \
            -timeout 3\
            -ttl $ttl\
        ]

we get a proper desktop notification with "No message!" body.

When we try to enter a message, the call returns with a status of 201, 
but no notification is shown.

We also tried the demo here:

https://openacs.org/webpush-demo/webpush-demo.tcl

The empty message works ("Naviserver rocks!"), but with a message, we 
get an error:

"could not derive EC point from provided key could not derive EC point 
from provided key "

After a bit of code exploration, we noticed, that the call to 
"::ns_crypto::aead::encrypt"
in webpush::encrypt returns an empty result for "bytes".

So we've tried the examples from

https://naviserver.sourceforge.io/n/naviserver/files/ns_crypto.html#1

which get the same result.

ns_crypto::aead::encrypt string -cipher aes-128-gcm -iv 123456789 -key 
secret "hello world"

returns

bytes {} tag ecb7f31df9e12b6118c1d8fcd5b7534a

instead of

bytes fa260f97eae35e3e3df0b7 tag 93654f78fd189b559c091acb410a0040

Any insights would be highly appreciated.

Regards,

Wolfgang
-- 

*Wolfgang Winkler*
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