Unsupported event: m.sticker

[Helvio88]

Steps to reproduce

I'm running a Synapse Matrix server + SyncV3 + Element X

My Matrix is WhatsApp Bridged with mautrix-whatsapp

Whenever I receive Stickers (a WhatsApp 'webp' image), when bridged to X, I get the following:

Element works fine.

Outcome

What did you expect?

Image to be shown

What happened instead?

Error message:
Unsupported event: m.sticker

Your phone model

iPhone 12

Operating system version

iOS 16.5

Application version

Version: 1.1.1 (48)

Homeserver

Synapse (docker:latest)

Will you send logs?

No

[pixlwave]

As described in the spec, the URL should exist. The error seems to indicate that it is missing.

Can you confirm by sharing the source of the event that this is the case?

[Helvio88]

This is the decrypted source. I changed my server to a generic URL:

{
"type" : "m.sticker",
"content" : {
"body" : "image.webp",
"info" : {
"size" : 806410,
"mimetype" : "image/webp",
"thumbnail_file" : {
"hashes" : {
"sha256" : "PAhQz/77F3Ked6XY9Al+nrA8Kcmyaj5nioGy7BmdryQ"
},
"iv" : "QL3WgMg0k+AAAAAAAAAAAA",
"key" : {
"k" : "X--AYMhBpqqkuxJR3Um_r7r8EsRf6KiXQbZHEGQ3yEI",
"ext" : true,
"key_ops" : [
"encrypt",
"decrypt"
],
"alg" : "A256CTR",
"kty" : "oct"
},
"url" : "mxc://matrix.my.tld/RcNUsEJIpSLFwGYgvSlsmudy",
"v" : "v2"
},
"w" : 190,
"h" : 190,
"thumbnail_info" : {
"size" : 806410,
"mimetype" : "image/webp",
"w" : 190,
"h" : 190
}
},
"file" : {
"hashes" : {
"sha256" : "PAhQz/77F3Ked6XY9Al+nrA8Kcmyaj5nioGy7BmdryQ"
},
"iv" : "QL3WgMg0k+AAAAAAAAAAAA",
"key" : {
"k" : "X--AYMhBpqqkuxJR3Um_r7r8EsRf6KiXQbZHEGQ3yEI",
"ext" : true,
"key_ops" : [
"encrypt",
"decrypt"
],
"alg" : "A256CTR",
"kty" : "oct"
},
"url" : "mxc://matrix.my.tld/RcNUsEJIpSLFwGYgvSlsmudy",
"v" : "v2"
}
},
"origin_server_ts" : 0
}

[pixlwave]

Linking this to the issue on the bridge: mautrix/whatsapp#662

[pixlwave]

Looks like this was fixed in Ruma.