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README.md

Matrix Public Archive

Join the community and get support at #matrix-public-archive:matrix.org

In the vein of feature parity with Gitter, the goal is to make a public archive site for world_readable Matrix rooms like Gitter's archives which search engines can index and keep all of the content accessible/available. There is already https://view.matrix.org/ (https://github.com/matrix-org/matrix-static) but there is some desire to make something with more Element-feeling polish and loading faster (avoid the slow 502's errors that are frequent on view.matrix.org).

Demo videos

  • Aug 2022 (blog post): A quick intro of what the project looks like, the goals, what it accomplishes, and how it's a new portal into the Matrix ecosystem.
  • Oct 2022: Showing off the room directory landing page used to browse everything available in the archive.

Technical overview

We server-side render (SSR) the Hydrogen Matrix client on a Node.js server (since both use JavaScript) and serve pages on the fly (with some Cloudflare caching on top) when someone requests /archives/r/matrixhq:matrix.org/${year}/${month}/${day}. To fetch the events for a given day/time, we use MSC3030's /timestamp_to_event endpoint to jump to a given day in the timeline and fetch the messages from a Matrix homeserver.

Re-using Hydrogen gets us pretty and native(to Element) looking styles and keeps the maintenance burden of supporting more event types in Hydrogen.

Setup

Prerequisites

Get the app running

$ npm install

# Edit `config/config.user-overrides.json` so that `matrixServerUrl` points to
# your homeserver and has `matrixAccessToken` defined
$ cp config/config.default.json config/config.user-overrides.json

$ npm run start
# To enable tracing, add the `--tracing` flag
$ npm run start -- --tracing

Development

# Clone and install the `matrix-public-archive` project
$ git clone git@github.com:matrix-org/matrix-public-archive.git
$ cd matrix-public-archive
$ npm install

# Edit `config/config.user-overrides.json` so that `matrixServerUrl` points to
# your homeserver and has `matrixAccessToken` defined
$ cp config/config.default.json config/config.user-overrides.json

# This will watch for changes, rebuild bundles and restart the server
$ npm run start-dev
# To enable tracing, add the `--tracing` flag
$ npm run start-dev -- --tracing

If you want to make changes to the underlying Hydrogen SDK as well, you can locally link it into this project with the following instructions:

# We need to use a draft branch of Hydrogen to get the custom changes needed for
# `matrix-public-archive` to run. Hopefully soon, we can get all of the custom
# changes mainlined so this isn't necessary.
$ git clone git@github.com:vector-im/hydrogen-web.git
$ cd hydrogen-web
$ git checkout madlittlemods/matrix-public-archive-scratch-changes
$ yarn install
$ yarn build:sdk
$ cd target/ && npm link && cd ..
$ cd ..

$ cd matrix-public-archive
$ npm link hydrogen-view-sdk

Running tests

See the testing readme.