82 lines
3.4 KiB
Nix
82 lines
3.4 KiB
Nix
# Glue: matrix's links on the hive domain's vhost.
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#
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# ONE PAIRING PER FILE — matrix → hive domain vhost, and nothing else.
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#
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# Two pieces, each under its own condition:
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# - `.well-known/matrix/{client,server}` is served here only when the hive
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# domain IS the homeserver's server name (a homeserver that pinned
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# `swarm.matrix.serverName` to it): the spec reads delegation off the
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# *server name*. The host need not run the homeserver, since the JSON is
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# built from `swarm.matrix.gatewayHost` alone. For the default server name
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# (the swarm domain) the swarm UI's apex vhost answers (./swarm-ui.nix).
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# - `<hive>/matrix/*` redirects to the homeserver where the homeserver runs.
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#
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# ⚠️ Both conditions repeat the one ./hive-c0re/vhosts.nix declares the hive
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# domain vhost under. With it looser, this file alone would declare that
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# vhost, with discovery and no `/` redirect.
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{
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lib,
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config,
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...
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}:
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let
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hyperhiveCfg = config.services.hyperhive;
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gatewayCfg = hyperhiveCfg.gateway;
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matrixCfg = hyperhiveCfg.swarm.matrix;
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homeserverUrl = "https://${matrixCfg.gatewayHost}";
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onHiveVhost =
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matrixCfg.gatewayHost != null
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&& hyperhiveCfg.deploy.hive-controller.enable
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&& gatewayCfg.enable
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&& hyperhiveCfg.swarm.dashboardDomain != null;
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# Same default as `effectiveServerName` in ./hive-matrix.nix.
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serverName =
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if matrixCfg.serverName != null then matrixCfg.serverName else hyperhiveCfg.swarm.domain;
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in
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{
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config = lib.mkMerge [
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(lib.mkIf (onHiveVhost && hyperhiveCfg.deploy.matrix.enable) {
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# `<hive>/matrix/*` → 301 → `gatewayHost`'s vhost/$1 (`chat.<swarm-domain>`
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# by default; legacy deep-link shim for the fluffychat sub-domain).
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# See `docs/networking/gateway.md`.
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services.hyperhive.gateway.vhosts.${hyperhiveCfg.domain}.locations."/matrix/" = {
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extraConfig = ''
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rewrite ^/matrix/(.*)$ ${homeserverUrl}/$1 permanent;
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'';
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};
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})
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(lib.mkIf (onHiveVhost && hyperhiveCfg.domain == serverName) {
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services.hyperhive.gateway.vhosts.${hyperhiveCfg.domain}.locations = {
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# `.well-known/matrix/{client,server}` discovery JSON, pointing
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# clients and peers at `gatewayHost`: the homeserver has no other
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# address. CORS `*` per matrix spec. See `docs/networking/gateway.md`.
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"= /.well-known/matrix/client" = {
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extraConfig = ''
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default_type application/json;
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${gatewayCfg.lib.securityHeaders}
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add_header Access-Control-Allow-Origin *;
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return 200 '{"m.homeserver":{"base_url":"${homeserverUrl}"}}';
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'';
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};
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# `m.server` is NOT a URL: per the matrix server-server spec
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# (Resolving Server Names) a delegated host with NO port resolves
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# to the federation default 8448 (after the SRV check) — the
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# https-implies-443 rule does NOT apply here. So the port must be
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# explicit even when it's the HTTPS default, unlike the client
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# base_url above. Without it, peers federate to <gatewayHost>:8448
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# (closed) while the endpoint actually lives on the gateway's 443
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# vhost. See docs/networking/gateway.md discovery flow.
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"= /.well-known/matrix/server" = {
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extraConfig = ''
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default_type application/json;
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return 200 '{"m.server":"${matrixCfg.gatewayHost}:443"}';
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'';
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};
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};
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})
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];
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}
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