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If the returnURL contains multiple query parameters (e.g. http://localhost:3000?foo=bar&bar=baz), the homeserver would fail to correctly parse the URL, and only the first query parameter would be kept. This is not an issue with the homeserver since the URL cannot be parsed in an unambiguous way, as the resulting URL would be: https://example.com/_matrix/client/r0/login/sso/redirect?redirectUrl=http://localhost:3000?foo=bar&bar=baz It's not possible to know whether the bar parameter is part of the "parent" URL, or part of the redirectUrl parameter. ---- To fix this, we now encode the redirectUrl parameter, which results in: https://example.com/_matrix/client/r0/login/sso/redirect?redirectUrl=http%3A%2F%2Flocalhost%3A3000%2Fparent.html%3Ffoo%3Dbar%26bar%3Dbaz This URL is correctly parsed by synapse.
Hydrogen
A minimal Matrix chat client, focused on performance, offline functionality, and broad browser support. This is work in progress and not yet ready for primetime. Bug reports are welcome, but please don't file any feature requests or other missing things to be on par with Element Web.
Goals
Hydrogen's goals are:
- Work well on desktop as well as mobile browsers
- UI components can be easily used in isolation
- It is a standalone webapp, but can also be easily embedded into an existing website/webapp to add chat capabilities.
- Loading (unused) parts of the application after initial page load should be supported
For embedded usage, see the SDK instructions.
If you find this interesting, come and discuss on #hydrogen:matrix.org.
How to use
Hydrogen is deployed to hydrogen.element.io. You can also deploy Hydrogen on your own web server:
- Download the latest release package.
- Extract the package to the public directory of your web server.
- If this is your first deploy:
-
copy
config.sample.jsontoconfig.jsonand if needed, make any modifications (unless you've set up your own sygnal instance, you don't need to change anything in thepushsection). -
Disable caching entirely on the server for:
index.htmlsw.jsconfig.json- All theme manifests referenced in the
themeManifestsofconfig.json, these files are typically calledtheme-{name}.json.
These resources will still be cached client-side by the service worker. Because of this; you'll still need to refresh the app twice before config.json changes are applied.
-
Set up a dev environment
You can run Hydrogen locally by the following commands in the terminal:
yarn install(only the first time)yarn startin the terminal
Now point your browser to http://localhost:3000. If you prefer, you can also use docker.
FAQ
Some frequently asked questions are answered here.