Feat: Generate QR codes via teams API (SQPIT-1369)

[supersven]

This is more convenient (and, hopefully more stable) than relying on database schemas and access.

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

Issues

Solves https://wearezeta.atlassian.net/browse/SQPIT-1369

Solutions

I've adjusted the existing script that queried the database to query Wire's teams API.

Dependencies (Optional)

If there are some other pull requests related to this one (e.g. new releases of frameworks), specify them here.

Needs releases with:

• GitHub link to other pull request

Testing

Test Coverage (Optional)

• I have added automated test to this contribution

How to Test

Run this

nix-shell -p qrencode texlive.combined.scheme-medium

export TEAM_ADMIN_EMAIL="gCkzC3AP@example.com"
export TEAM_ADMIN_PASSWORD="tIFfm5Hw"
export TEAM_ID="9cabf984-7a35-4cd5-9891-850c64f9195a"
export NGINZ_HOST="nginz-https.wire.example.com"
export DEEPLINK_URL="https://assets.wire.example.com/public/deeplink.html"
export INSTRUCTIONS=./instructions.txt

./generate-user-pdf.sh some-email-you-make-up@example.com

and scan (and check) the result codes of the created PDF file.

Please ask me for the correct values of NGINZ_HOST and DEEPLINK_URL. (The values provided here won't work.)

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PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

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PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

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References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[arthurwolf]

looks good

[supersven]

This can be merged after wireapp/wire-server#2684 has been released.

One open question is, if we want to keep the old version (using Cassandra), too. In case, we could easily restore it.