Rocket.chat: XML-decryption module not found

[ChessSpider]

Description:

Breaking bug: xml-encryption module not found on docker upon login

Steps to reproduce:

1. Login via saml
2. fatal error:

Sorry, an annoying error occured
Error: Cannot find module 'xml-encryption'
Close Window

on docker

Expected behavior:

No crash

Actual behavior:

Sorry, an annoying error occured
Error: Cannot find module 'xml-encryption'
Close Window

Server Setup Information:

rocketchat_1          | ➔ +-------------------------------------------------+
rocketchat_1          | ➔ |                  SERVER RUNNING                 |
rocketchat_1          | ➔ +-------------------------------------------------+
rocketchat_1          | ➔ |                                                 |
rocketchat_1          | ➔ |  Rocket.Chat Version: 0.74.0                    |
rocketchat_1          | ➔ |       NodeJS Version: 8.11.4 - x64              |
rocketchat_1          | ➔ |             Platform: linux                     |
rocketchat_1          | ➔ |         Process Port: 3000                      |
rocketchat_1          | ➔ |             Site URL: https://c***********  |
rocketchat_1          | ➔ |     ReplicaSet OpLog: Enabled                   |
rocketchat_1          | ➔ |          Commit Hash: cc5391e58c                |
rocketchat_1          | ➔ |        Commit Branch: HEAD                      |
rocketchat_1          | ➔ |                                                 |
rocketchat_1          | ➔ +-------------------------------------------------+

• Version of Rocket.Chat Server:
• Operating System: linux
• Deployment Method: docker
• Number of Running Instances: 1
• DB Replicaset Oplog:
• NodeJS Version:
• MongoDB Version:

Additional context

Login via simplesaml

Relevant logs:

[ChessSpider]

Probably related to https://github.com/RocketChat/Rocket.Chat/pull/12153

[gaetanars]

Same here in docker release.

[ChessSpider]

@zenman94 temporary fix:
copy/paste:

docker-compose exec rocketchat /bin/bash
cd /app/bundle/programs/server
npm install xml-encryption
exit

[gaetanars]

Thank you for the patch but we are on Kubernetes cluster.

[hairmare]

Looks like xml-encryption was removed in 687c3c572aaba7b7cb67ea5683b3100f54bfcb53 while it is still used here:
https://github.com/RocketChat/Rocket.Chat/blob/483f7d5c752679a9795f6324a73e7c03f36601fc/packages/meteor-accounts-saml/server/saml_utils.js#L396
If you are using the stable/rocketchat helm chart to deploy rocketchat you can set securityContext.runAsUser=99999 and then follow the example from helm status <rocketchat-release> to open a shell where the workaround from https://github.com/RocketChat/Rocket.Chat/issues/13271#issuecomment-458034489 works.

[gaetanars]

We prefer wait a correct docker image before push this in production :)

[ChessSpider]

when will this be fixed?

[adanielvv]

Temporary workaround for snap:
sudo snap revert rocketchat-server

You should always make a backup first:

sudo systemctl stop snap.rocketchat-server.rocketchat-server
sudo rocketchat-server.backupdb
sudo snap revert rocketchat-server
sudo systemctl restart snap.rocketchat-server.rocketchat-server

[GuilleGlad]

Thank you so much @adanielvv , is there an option to disable automatic SNAP updates?

[adanielvv]

@GuilleGlad I looked at the snap manpages and couldn't find a hold option.
I found a command option that shows the impending updates:
sudo snap refresh --list
On my system (after the revert) it comes up empty.
I guess it jumps the reverted version.

By the way, the snap revert command is listed in the Rocket.Chat docs. See also the manpage above to understand more fully what happens.