Seperating out functions

2026-03-05 02:06:41 +00:00 · 2025-12-24 11:50:27 -05:00
parent e2dfc3eb20
commit 0ccd5714f9
6 changed files with 304 additions and 163 deletions
--- a/server/routers/olm/buildConfiguration.ts
+++ b/server/routers/olm/buildConfiguration.ts
@@ -0,0 +1,145 @@
+import { Client, clientSiteResourcesAssociationsCache, clientSitesAssociationsCache, db, exitNodes, siteResources, sites } from "@server/db";
+import { generateAliasConfig, generateRemoteSubnets } from "@server/lib/ip";
+import logger from "@server/logger";
+import { and, eq } from "drizzle-orm";
+import { addPeer, deletePeer } from "../newt/peers";
+import config from "@server/lib/config";
+
+export async function buildSiteConfigurationForOlmClient(
+    client: Client,
+    publicKey: string | null,
+    relay: boolean
+) {
+    const siteConfigurations = [];
+
+    // Get all sites data
+    const sitesData = await db
+        .select()
+        .from(sites)
+        .innerJoin(
+            clientSitesAssociationsCache,
+            eq(sites.siteId, clientSitesAssociationsCache.siteId)
+        )
+        .where(eq(clientSitesAssociationsCache.clientId, client.clientId));
+
+    // Process each site
+    for (const {
+        sites: site,
+        clientSitesAssociationsCache: association
+    } of sitesData) {
+        if (!site.exitNodeId) {
+            logger.warn(
+                `Site ${site.siteId} does not have exit node, skipping`
+            );
+            continue;
+        }
+
+        // Validate endpoint and hole punch status
+        if (!site.endpoint) {
+            logger.warn(
+                `In olm register: site ${site.siteId} has no endpoint, skipping`
+            );
+            continue;
+        }
+
+        // if (site.lastHolePunch && now - site.lastHolePunch > 6 && relay) {
+        //     logger.warn(
+        //         `Site ${site.siteId} last hole punch is too old, skipping`
+        //     );
+        //     continue;
+        // }
+
+        // If public key changed, delete old peer from this site
+        if (client.pubKey && client.pubKey != publicKey) {
+            logger.info(
+                `Public key mismatch. Deleting old peer from site ${site.siteId}...`
+            );
+            await deletePeer(site.siteId, client.pubKey!);
+        }
+
+        if (!site.subnet) {
+            logger.warn(`Site ${site.siteId} has no subnet, skipping`);
+            continue;
+        }
+
+        const [clientSite] = await db
+            .select()
+            .from(clientSitesAssociationsCache)
+            .where(
+                and(
+                    eq(clientSitesAssociationsCache.clientId, client.clientId),
+                    eq(clientSitesAssociationsCache.siteId, site.siteId)
+                )
+            )
+            .limit(1);
+
+        // Add the peer to the exit node for this site
+        if (clientSite.endpoint && publicKey) {
+            logger.info(
+                `Adding peer ${publicKey} to site ${site.siteId} with endpoint ${clientSite.endpoint}`
+            );
+            await addPeer(site.siteId, {
+                publicKey: publicKey,
+                allowedIps: [`${client.subnet.split("/")[0]}/32`], // we want to only allow from that client
+                endpoint: relay ? "" : clientSite.endpoint
+            });
+        } else {
+            logger.warn(
+                `Client ${client.clientId} has no endpoint, skipping peer addition`
+            );
+        }
+
+        let relayEndpoint: string | undefined = undefined;
+        if (relay) {
+            const [exitNode] = await db
+                .select()
+                .from(exitNodes)
+                .where(eq(exitNodes.exitNodeId, site.exitNodeId))
+                .limit(1);
+            if (!exitNode) {
+                logger.warn(`Exit node not found for site ${site.siteId}`);
+                continue;
+            }
+            relayEndpoint = `${exitNode.endpoint}:${config.getRawConfig().gerbil.clients_start_port}`;
+        }
+
+        const allSiteResources = await db // only get the site resources that this client has access to
+            .select()
+            .from(siteResources)
+            .innerJoin(
+                clientSiteResourcesAssociationsCache,
+                eq(
+                    siteResources.siteResourceId,
+                    clientSiteResourcesAssociationsCache.siteResourceId
+                )
+            )
+            .where(
+                and(
+                    eq(siteResources.siteId, site.siteId),
+                    eq(
+                        clientSiteResourcesAssociationsCache.clientId,
+                        client.clientId
+                    )
+                )
+            );
+
+        // Add site configuration to the array
+        siteConfigurations.push({
+            siteId: site.siteId,
+            name: site.name,
+            // relayEndpoint: relayEndpoint, // this can be undefined now if not relayed // lets not do this for now because it would conflict with the hole punch testing
+            endpoint: site.endpoint,
+            publicKey: site.publicKey,
+            serverIP: site.address,
+            serverPort: site.listenPort,
+            remoteSubnets: generateRemoteSubnets(
+                allSiteResources.map(({ siteResources }) => siteResources)
+            ),
+            aliases: generateAliasConfig(
+                allSiteResources.map(({ siteResources }) => siteResources)
+            )
+        });
+    }
+
+    return siteConfigurations;
+}