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\n githubsync\n GitHub and Val Town, in sync\n

\n {children}\n

\n \n \n );\n}\n","createdAt",["D",1781310591315],"branchVersion","branchId","503392e9-5051-4383-a7b7-4f37bc194007",{"_30":45,"_32":44,"_34":46,"_36":-5,"_38":47,"_40":14,"_41":42,"_24":25},"views","8439d568-2859-4034-9d9d-dda5df5c702e","directory",["D",1781310591315],"id","bb036e1b-8dcf-48ee-9796-68ffb44b04ef","githubsync",["D",1781310279766],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Hosted GitHub <-> Val Town sync service prototype","imageUrl","a0bf3b31-15a5-4d5c-880e-4b1e22c9bc18","pinnedFileId","2cfaf97a-66bf-11f1-9471-1607ee4eb77e","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","e81e7335-6d4c-4764-a902-d0962bbfa9f7","tursoName","bb036e1b8dcf48ee979668ffb44b04ef","tursoHostname","bb036e1b8dcf48ee979668ffb44b04ef-val-town.aws-us-east-2.turso.io","tursoMeasuredAt",["D",1789509672838],"pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_105":104,"_112":108},"org",{"_105":104,"_106":-5,"_107":108,"_18":60,"_109":110,"_111":25},"branch",{"_13":94,"_32":95,"_48":42,"_96":49,"_97":-5,"_98":-5,"_99":-5,"_100":-5,"_101":-5,"_102":50,"_103":104},"isOwned",46,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","stevekrouse","handle","displayName","avatar","https://images.clerk.dev/uploaded/img_2PqHa2Gsy93xQrjh2w78Xu0cChW.jpeg","tier","pro","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_48":49,"_32":50,"_38":279,"_52":-5,"_53":25,"_54":55,"_56":55,"_57":58,"_59":-5,"_18":60,"_61":62,"_63":64,"_65":-5,"_66":-5,"_67":68,"_69":70,"_71":72,"_73":74,"_75":280,"_77":-5,"_78":79,"_80":79,"_81":82,"_83":82,"_84":82,"_85":79,"_86":79,"_87":281,"_89":282,"_91":283,"_93":25},"tree",[189,193,196,199,201,202],"files",[189,190,191,192,193,194,195,196,197,198,199,200,201,202],"counts",{"_179":68,"_180":154,"_181":68,"_182":183,"_184":185},"contents",[135,136,137,138,139,140],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_48":173,"_32":174,"_30":175,"_144":-5,"_41":42,"_40":176,"_146":64,"_38":177,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_27":178},{"_48":167,"_32":168,"_30":169,"_144":-5,"_41":42,"_40":170,"_146":64,"_38":171,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_27":172},{"_48":161,"_32":162,"_30":163,"_144":-5,"_41":42,"_40":164,"_146":64,"_38":165,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_27":166},{"_48":158,"_32":44,"_30":45,"_144":-5,"_41":42,"_40":14,"_146":64,"_38":159,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_27":160},{"_48":151,"_32":152,"_30":153,"_144":-5,"_41":42,"_40":154,"_146":25,"_38":155,"_13":68,"_34":21,"_36":156,"_24":25,"_149":-5,"_27":157},{"_48":141,"_32":142,"_30":143,"_144":-5,"_41":42,"_40":145,"_146":64,"_38":147,"_13":68,"_34":35,"_36":148,"_24":25,"_149":-5,"_27":150},"346b227e-45f9-4f66-bf07-0b28f36fec8b","db.ts","c3e688dc-66be-11f1-9ff7-1607ee4eb77e","parentId",2,"latest",["D",1781310494158],"import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\n\nconst TABLES = [\n `CREATE TABLE IF NOT EXISTS users (\n user_id TEXT PRIMARY KEY,\n username TEXT NOT NULL,\n access_token TEXT NOT NULL,\n refresh_token TEXT,\n updated_at TEXT NOT NULL\n )`,\n `CREATE TABLE IF NOT EXISTS apps (\n app_id INTEGER PRIMARY KEY,\n slug TEXT NOT NULL,\n client_id TEXT NOT NULL,\n client_secret TEXT NOT NULL,\n webhook_secret TEXT NOT NULL,\n pem TEXT NOT NULL,\n owner_user_id TEXT,\n created_at TEXT NOT NULL\n )`,\n `CREATE TABLE IF NOT EXISTS installations (\n installation_id INTEGER PRIMARY KEY,\n app_id INTEGER NOT NULL,\n created_at TEXT NOT NULL\n )`,\n `CREATE TABLE IF NOT EXISTS connections (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n user_id TEXT NOT NULL,\n val_id TEXT NOT NULL,\n val_slug TEXT NOT NULL,\n repo TEXT NOT NULL,\n branch TEXT NOT NULL DEFAULT 'main',\n direction TEXT NOT NULL CHECK (direction IN ('github','valtown')),\n vt_token TEXT NOT NULL,\n gh_token TEXT,\n installation_id INTEGER,\n webhook_secret TEXT,\n last_sync_at TEXT,\n last_result TEXT,\n created_at TEXT NOT NULL\n )`,\n `CREATE TABLE IF NOT EXISTS events (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n connection_id INTEGER NOT NULL,\n ts TEXT NOT NULL,\n kind TEXT NOT NULL,\n detail TEXT\n )`,\n];\nfor (const sql of TABLES) await sqlite.execute(sql);\n\nfunction asObjects(rs: { columns: string[]; rows: unknown[] }): T[] {\n const rows = rs.rows ?? [];\n if (rows.length === 0) return [];\n if (!Array.isArray(rows[0])) return rows as T[];\n return (rows as unknown[][]).map((r) =>\n Object.fromEntries(rs.columns.map((c, i) => [c, r[i]])) as T\n );\n}\n\nconst now = () => new Date().toISOString();\n\nexport type Connection = {\n id: number;\n user_id: string;\n val_id: string;\n val_slug: string;\n repo: string;\n branch: string;\n direction: \"github\" | \"valtown\";\n vt_token: string;\n gh_token: string | null;\n installation_id: number | null;\n webhook_secret: string | null;\n last_sync_at: string | null;\n last_result: string | null;\n created_at: string;\n};\n\nexport type App = {\n app_id: number;\n slug: string;\n client_id: string;\n client_secret: string;\n webhook_secret: string;\n pem: string;\n owner_user_id: string | null;\n created_at: string;\n};\n\nexport type SyncEvent = {\n id: number;\n connection_id: number;\n ts: string;\n kind: string;\n detail: string | null;\n};\n\nexport async function upsertUser(\n userId: string,\n username: string,\n accessToken: string,\n refreshToken: string | null,\n) {\n await sqlite.execute({\n sql: `INSERT INTO users (user_id, username, access_token, refresh_token, updated_at)\n VALUES (?, ?, ?, ?, ?)\n ON CONFLICT(user_id) DO UPDATE SET\n username = excluded.username,\n access_token = excluded.access_token,\n refresh_token = excluded.refresh_token,\n updated_at = excluded.updated_at`,\n args: [userId, username, accessToken, refreshToken, now()],\n });\n}\n\nexport async function insertApp(a: Omit) {\n await sqlite.execute({\n sql: `INSERT OR REPLACE INTO apps\n (app_id, slug, client_id, client_secret, webhook_secret, pem, owner_user_id, created_at)\n VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,\n args: [a.app_id, a.slug, a.client_id, a.client_secret, a.webhook_secret, a.pem, a.owner_user_id, now()],\n });\n}\n\nexport async function getApp(): Promise {\n const rs = await sqlite.execute(`SELECT * FROM apps ORDER BY created_at DESC LIMIT 1`);\n return asObjects(rs)[0] ?? null;\n}\n\nexport async function insertInstallation(installationId: number, appId: number) {\n await sqlite.execute({\n sql: `INSERT OR REPLACE INTO installations (installation_id, app_id, created_at) VALUES (?, ?, ?)`,\n args: [installationId, appId, now()],\n });\n}\n\nexport async function listInstallations(): Promise<{ installation_id: number; app_id: number }[]> {\n const rs = await sqlite.execute(`SELECT * FROM installations ORDER BY created_at DESC`);\n return asObjects(rs);\n}\n\nexport async function insertConnection(\n c: Omit,\n): Promise {\n const rs = await sqlite.execute({\n sql: `INSERT INTO connections\n (user_id, val_id, val_slug, repo, branch, direction, vt_token, gh_token, installation_id, webhook_secret, created_at)\n VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,\n args: [\n c.user_id, c.val_id, c.val_slug, c.repo, c.branch, c.direction,\n c.vt_token, c.gh_token, c.installation_id, c.webhook_secret, now(),\n ],\n });\n return Number(rs.lastInsertRowid);\n}\n\nexport async function getConnection(id: number): Promise {\n const rs = await sqlite.execute({ sql: `SELECT * FROM connections WHERE id = ?`, args: [id] });\n return asObjects(rs)[0] ?? null;\n}\n\nexport async function listConnections(userId?: string): Promise {\n const rs = userId\n ? await sqlite.execute({\n sql: `SELECT * FROM connections WHERE user_id = ? OR user_id = 'dev' ORDER BY id DESC`,\n args: [userId],\n })\n : await sqlite.execute(`SELECT * FROM connections ORDER BY id DESC`);\n return asObjects(rs);\n}\n\nexport async function connectionsForRepo(repo: string, direction: string): Promise {\n const rs = await sqlite.execute({\n sql: `SELECT * FROM connections WHERE repo = ? AND direction = ?`,\n args: [repo, direction],\n });\n return asObjects(rs);\n}\n\nexport async function valtownSourceConnections(): Promise {\n const rs = await sqlite.execute(`SELECT * FROM connections WHERE direction = 'valtown'`);\n return asObjects(rs);\n}\n\nexport async function updateSyncResult(id: number, result: string) {\n await sqlite.execute({\n sql: `UPDATE connections SET last_sync_at = ?, last_result = ? 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ORDER BY id DESC LIMIT ?`,\n args: [connectionId, limit],\n });\n return asObjects(rs);\n}\n","label",[142],"306eebb3-4fed-44bc-abc3-84908ccf2f72","README.md","44204278-66be-11f1-b28c-1607ee4eb77e",1,["D",1781310279784],"# githubsync\n\nHosted GitHub <-> Val Town sync service prototype.\n",[152],"5ef8c3f2-ec35-42b8-acec-e06fd75aa810",["D",1781310591315],[44],"0f97f978-6838-46a4-abf2-05b0c4751b4a","sync","91476b4f-e132-4c92-bb12-67166e8574f5",6,["D",1781310546326],[162],"6a03e418-b02f-44a1-8e11-2ad90bc19cbf","routes","165a136c-f6d1-45c0-99f2-259223c2e53a",8,["D",1781310572920],[168],"9c70151a-a2a2-4ce0-b510-626634ee1fe5","lib","640e6044-ddfa-454d-bb57-f42fb8b69d43",3,["D",1781310508175],[174],"pulls","branches","forks","envVars",{"_186":14,"_188":68},"connections",{"_186":68,"_187":68},"count","unfilledCount","emptyCount",{"_48":173,"_32":174,"_30":175,"_144":-5,"_41":42,"_40":176,"_146":64,"_38":276,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_204":277,"_27":278},{"_48":268,"_32":269,"_30":270,"_144":175,"_41":42,"_40":271,"_146":25,"_38":272,"_13":68,"_34":35,"_36":273,"_24":25,"_149":-5,"_204":274,"_27":275},{"_48":261,"_32":262,"_30":263,"_144":175,"_41":42,"_40":176,"_146":64,"_38":264,"_13":68,"_34":35,"_36":265,"_24":25,"_149":-5,"_204":266,"_27":267},{"_48":253,"_32":254,"_30":255,"_144":175,"_41":42,"_40":256,"_146":64,"_38":257,"_13":68,"_34":35,"_36":258,"_24":25,"_149":-5,"_204":259,"_27":260},{"_48":167,"_32":168,"_30":169,"_144":-5,"_41":42,"_40":170,"_146":64,"_38":250,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_204":251,"_27":252},{"_48":242,"_32":243,"_30":244,"_144":169,"_41":42,"_40":245,"_146":64,"_38":246,"_13":68,"_34":35,"_36":247,"_24":25,"_149":-5,"_204":248,"_27":249},{"_48":235,"_32":236,"_30":237,"_144":169,"_41":42,"_40":170,"_146":25,"_38":238,"_13":68,"_34":35,"_36":239,"_24":25,"_149":-5,"_204":240,"_27":241},{"_48":161,"_32":162,"_30":163,"_144":-5,"_41":42,"_40":164,"_146":64,"_38":232,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_204":233,"_27":234},{"_48":225,"_32":226,"_30":227,"_144":163,"_41":42,"_40":164,"_146":64,"_38":228,"_13":68,"_34":35,"_36":229,"_24":25,"_149":-5,"_204":230,"_27":231},{"_48":217,"_32":218,"_30":219,"_144":163,"_41":42,"_40":220,"_146":64,"_38":221,"_13":68,"_34":35,"_36":222,"_24":25,"_149":-5,"_204":223,"_27":224},{"_48":158,"_32":44,"_30":45,"_144":-5,"_41":42,"_40":14,"_146":64,"_38":214,"_13":68,"_34":46,"_36":-5,"_24":25,"_149":-5,"_204":215,"_27":216},{"_48":210,"_32":33,"_30":31,"_144":45,"_41":42,"_40":14,"_146":64,"_38":211,"_13":68,"_34":35,"_36":37,"_24":25,"_149":-5,"_204":212,"_27":213},{"_48":151,"_32":152,"_30":153,"_144":-5,"_41":42,"_40":154,"_146":25,"_38":207,"_13":68,"_34":21,"_36":156,"_24":25,"_149":-5,"_204":208,"_27":209},{"_48":141,"_32":142,"_30":143,"_144":-5,"_41":42,"_40":145,"_146":64,"_38":203,"_13":68,"_34":35,"_36":148,"_24":25,"_149":-5,"_204":205,"_27":206},["D",1781310494158],"children",[],[142],["D",1781310279784],[],[152],"b8a6320f-99c6-4b7d-b12c-7d7d0187580f",["D",1781310591315],[],[44,33],["D",1781310591315],[200],[44],"0f4366d0-d3bb-4884-a5e6-c83013d50af6","valToGh.ts","e988f200-66be-11f1-bfe7-1607ee4eb77e",7,["D",1781310557274],"import { type Connection } from \"../db.ts\";\nimport { ghTokenFor, vtTokenFor } from \"../lib/creds.ts\";\nimport { gh, gitBlobSha, toBase64 } from \"../lib/github.ts\";\nimport { listValFiles, readValFileBytes } from \"../lib/valtown.ts\";\n\n// Diff the val's files against the repo HEAD by computing git blob shas locally;\n// push one commit covering all adds, edits, and deletions. No diff => no commit.\nexport async function pushValToRepo(conn: Connection): Promise {\n const vtToken = vtTokenFor(conn);\n const ghToken = await ghTokenFor(conn);\n const { repo, branch } = conn;\n\n const files = await listValFiles(vtToken, conn.val_id);\n const entries = await Promise.all(\n files.map(async (f) => {\n const bytes = await readValFileBytes(vtToken, conn.val_id, f.path);\n return { path: f.path, bytes, sha: await gitBlobSha(bytes) };\n }),\n );\n\n const ref = await gh(ghToken, `/repos/${repo}/git/ref/heads/${branch}`);\n const headSha: string = ref.object.sha;\n const headCommit = await gh(ghToken, `/repos/${repo}/git/commits/${headSha}`);\n const headTree = await gh(ghToken, `/repos/${repo}/git/trees/${headCommit.tree.sha}?recursive=1`);\n if (headTree.truncated) throw new Error(\"repo tree truncated - cannot diff safely\");\n const repoShas = new Map(\n headTree.tree.filter((t: any) => t.type === \"blob\").map((t: any) => [t.path, t.sha]),\n );\n\n const changed = entries.filter((e) => repoShas.get(e.path) !== e.sha);\n const deleted = [...repoShas.keys()].filter((p) => !entries.some((e) => e.path === p));\n if (changed.length === 0 && deleted.length === 0) {\n return `up to date with ${repo}@${headSha.slice(0, 7)} - no commit`;\n }\n\n for (const e of changed) {\n const blob = await gh(ghToken, `/repos/${repo}/git/blobs`, {\n method: \"POST\",\n body: JSON.stringify({ content: toBase64(e.bytes), encoding: \"base64\" }),\n });\n if (blob.sha !== e.sha) {\n throw new Error(`blob sha mismatch for ${e.path}: ${blob.sha} != ${e.sha}`);\n }\n }\n\n // Full tree, no base_tree: omitted paths are deletions.\n const tree = await gh(ghToken, `/repos/${repo}/git/trees`, {\n method: \"POST\",\n body: JSON.stringify({\n tree: entries.map((e) => ({ path: e.path, mode: \"100644\", type: \"blob\", sha: e.sha })),\n }),\n });\n\n const summary = `githubsync: ${changed.length} changed, ${deleted.length} deleted`;\n const commit = await gh(ghToken, `/repos/${repo}/git/commits`, {\n method: \"POST\",\n body: JSON.stringify({\n message: `${summary}\\n\\nsource: https://www.val.town/x/${conn.val_slug}`,\n tree: tree.sha,\n parents: [headSha],\n }),\n });\n // force:false — a concurrent push 422s here and the next run recovers.\n await gh(ghToken, `/repos/${repo}/git/refs/heads/${branch}`, {\n method: \"PATCH\",\n body: JSON.stringify({ sha: commit.sha, force: false }),\n });\n return `pushed ${commit.sha.slice(0, 7)} to ${repo}@${branch}: ${summary}`;\n}\n",[],[162,218],"194c3ea0-9712-4b89-be22-ccdb5a89e5e2","ghToVal.ts","e2febbea-66be-11f1-9f5d-1607ee4eb77e",["D",1781310546326],"import { type Connection } from \"../db.ts\";\nimport { ghTokenFor, vtTokenFor } from \"../lib/creds.ts\";\nimport { fetchRepoFile, fetchRepoTree } from \"../lib/github.ts\";\nimport { deleteValFile, listValFiles, upsertValFile } from \"../lib/valtown.ts\";\n\nconst SKIP_PREFIXES = [\".github/\"];\nconst shouldSkip = (path: string) => SKIP_PREFIXES.some((p) => path.startsWith(p));\nconst decoder = new TextDecoder(\"utf-8\", { fatal: true });\n\nasync function syncOneFile(\n vtToken: string,\n ghToken: string,\n conn: Connection,\n path: string,\n ref: string,\n): Promise {\n const bytes = await fetchRepoFile(ghToken, conn.repo, path, ref);\n let content: string;\n try {\n content = decoder.decode(bytes); // throws on binary\n } catch {\n return `skipped (binary): ${path}`;\n }\n if (content.length > 80_000) return `skipped (>80k chars, API limit): ${path}`;\n await upsertValFile(vtToken, conn.val_id, path, content);\n return `synced: ${path}`;\n}\n\n// Fold the push payload's commit list in order so the final action per path wins.\nexport async function incrementalSync(conn: Connection, payload: any): Promise {\n const vtToken = vtTokenFor(conn);\n const ghToken = await ghTokenFor(conn);\n const actions = new Map();\n for (const commit of payload.commits) {\n for (const p of [...commit.added, ...commit.modified]) actions.set(p, \"upsert\");\n for (const p of commit.removed) actions.set(p, \"remove\");\n }\n const results: string[] = [];\n for (const [path, action] of actions) {\n if (shouldSkip(path)) {\n results.push(`skipped (rule): ${path}`);\n } else if (action === \"upsert\") {\n results.push(await syncOneFile(vtToken, ghToken, conn, path, payload.after));\n } else {\n await deleteValFile(vtToken, conn.val_id, path);\n results.push(`deleted: ${path}`);\n }\n }\n return results;\n}\n\n// Mirror the whole repo tree into the val, deleting val files not in the repo.\nexport async function fullSync(conn: Connection, ref?: string): Promise {\n const vtToken = vtTokenFor(conn);\n const ghToken = await ghTokenFor(conn);\n const r = ref ?? conn.branch;\n const repoPaths = (await fetchRepoTree(ghToken, conn.repo, r)).filter((p) => !shouldSkip(p));\n const results: string[] = [];\n for (const path of repoPaths) {\n results.push(await syncOneFile(vtToken, ghToken, conn, path, r));\n }\n const repoSet = new Set(repoPaths);\n const valFiles = await listValFiles(vtToken, conn.val_id);\n for (const { path } of valFiles) {\n if (!repoSet.has(path) && !shouldSkip(path)) {\n await deleteValFile(vtToken, conn.val_id, path);\n results.push(`deleted (not in repo): ${path}`);\n }\n }\n return results;\n}\n",[],[162,226],["D",1781310546326],[197,198],[162],"d56bdfeb-afe8-449b-a43b-82291be34b11","webhook.ts","f2da73c4-66be-11f1-aae1-1607ee4eb77e",["D",1781310572920],"import { Hono } from \"npm:hono@4\";\nimport { connectionsForRepo, getApp, recordEvent, updateSyncResult } from \"../db.ts\";\nimport { resolveSecret } from \"../lib/creds.ts\";\nimport { fullSync, incrementalSync } from \"../sync/ghToVal.ts\";\n\nasync function validSignature(\n secret: string,\n body: Uint8Array,\n sigHeader: string | null,\n): Promise {\n if (!sigHeader?.startsWith(\"sha256=\")) return false;\n const hex = sigHeader.slice(\"sha256=\".length);\n if (!/^[0-9a-f]{64}$/.test(hex)) return false;\n const sig = new Uint8Array(hex.match(/../g)!.map((b) => parseInt(b, 16)));\n const key = await crypto.subtle.importKey(\n \"raw\",\n new TextEncoder().encode(secret),\n { name: \"HMAC\", hash: \"SHA-256\" },\n false,\n [\"verify\"],\n );\n return await crypto.subtle.verify(\"HMAC\", key, sig, body); // timing-safe\n}\n\nconst webhook = new Hono();\n\nwebhook.post(\"/github\", async (c) => {\n const body = new Uint8Array(await c.req.arrayBuffer());\n const event = c.req.header(\"x-github-event\");\n if (event === \"ping\") return c.json({ ok: true, pong: true });\n if (event !== \"push\") return c.json({ ok: true, ignored: `event ${event}` });\n\n const payload = JSON.parse(new TextDecoder().decode(body));\n const repo = payload.repository?.full_name;\n if (!repo) return c.json({ ok: true, ignored: \"no repository in payload\" });\n\n const conns = await connectionsForRepo(repo, \"github\");\n if (conns.length === 0) return c.json({ ok: true, ignored: `no connections for ${repo}` });\n\n // Candidate secrets: each connection's repo-webhook secret plus the app-level secret.\n const sig = c.req.header(\"x-hub-signature-256\") ?? null;\n const secrets = conns.map((x) => resolveSecret(x.webhook_secret)).filter(Boolean) as string[];\n const app = await getApp();\n if (app) secrets.push(app.webhook_secret);\n let verified = false;\n for (const s of secrets) {\n if (await validSignature(s, body, sig)) {\n verified = true;\n break;\n }\n }\n if (!verified) return c.text(\"bad signature\", 401);\n\n if (payload.deleted) return c.json({ ok: true, ignored: \"branch deletion\" });\n\n const results: Record = {};\n for (const conn of conns) {\n if (payload.ref !== `refs/heads/${conn.branch}`) {\n results[conn.id] = `ignored ref ${payload.ref} (only syncing ${conn.branch})`;\n continue;\n }\n try {\n // GitHub truncates the commits array at 20; force pushes rewrite history.\n const needFull = payload.forced || payload.commits.length >= 20;\n const r = needFull ? await fullSync(conn, payload.after) : await incrementalSync(conn, payload);\n await updateSyncResult(conn.id, `${needFull ? \"full\" : \"incremental\"} sync: ${r.length} files`);\n await recordEvent(\n conn.id,\n \"push\",\n JSON.stringify({ after: payload.after?.slice(0, 7), results: r }),\n );\n results[conn.id] = r;\n } catch (e) {\n await updateSyncResult(conn.id, `error: ${e.message}`);\n await recordEvent(conn.id, \"error\", e.message);\n results[conn.id] = `error: ${e.message}`;\n }\n }\n console.log(`push ${payload.after?.slice(0, 7)} to ${repo}:`, results);\n return c.json({ ok: true, results });\n});\n\nexport default webhook;\n",[],[168,236],"51d120f1-e985-4b8e-a0fd-9bb83af9c6d6","dev.ts","f85353de-66be-11f1-bdd6-1607ee4eb77e",9,["D",1781310582110],"import { Hono } from \"npm:hono@4\";\nimport { getConnection, insertConnection, recordEvent, updateSyncResult } from \"../db.ts\";\nimport { devAuthorized, ghTokenFor, resolveSecret } from \"../lib/creds.ts\";\nimport { registerPushWebhook } from \"../lib/github.ts\";\nimport { getValId } from \"../lib/valtown.ts\";\nimport { fullSync } from \"../sync/ghToVal.ts\";\nimport { pushValToRepo } from \"../sync/valToGh.ts\";\n\n// Dev-mode API: create a connection without the browser OAuth + GitHub App flow.\n// Auth: Authorization: Bearer . Tokens may be passed as \"env:NAME\" to\n// resolve from this val's environment so they never land in the database.\nconst dev = new Hono();\n\ndev.post(\"/connect\", async (c) => {\n if (!devAuthorized(c.req.raw)) return c.text(\"unauthorized\", 401);\n const b = await c.req.json();\n for (const field of [\"val\", \"repo\", \"direction\", \"vt_token\"]) {\n if (!b[field]) return c.json({ error: `missing ${field}` }, 400);\n }\n const vtToken = resolveSecret(b.vt_token);\n if (!vtToken) return c.json({ error: \"vt_token did not resolve\" }, 400);\n const valId = await getValId(vtToken, b.val);\n const webhookSecret = crypto.randomUUID().replaceAll(\"-\", \"\");\n const id = await insertConnection({\n user_id: \"dev\",\n val_id: valId,\n val_slug: b.val,\n repo: b.repo,\n branch: b.branch ?? \"main\",\n direction: b.direction,\n vt_token: b.vt_token,\n gh_token: b.gh_token ?? null,\n installation_id: b.installation_id ?? null,\n webhook_secret: webhookSecret,\n });\n const conn = (await getConnection(id))!;\n\n let hookId: number | null = null;\n if (b.direction === \"github\" && b.register_webhook !== false) {\n const url = `${new URL(c.req.url).origin}/webhook/github`;\n hookId = (await registerPushWebhook(await ghTokenFor(conn), b.repo, url, webhookSecret)).id;\n }\n\n let backfill: unknown;\n try {\n backfill = b.direction === \"github\" ? await fullSync(conn) : await pushValToRepo(conn);\n await updateSyncResult(id, \"backfill ok\");\n await recordEvent(id, \"backfill\", JSON.stringify(backfill));\n } catch (e) {\n backfill = `error: ${e.message}`;\n await updateSyncResult(id, `backfill error: ${e.message}`);\n await recordEvent(id, \"error\", e.message);\n }\n return c.json({ id, hookId, backfill });\n});\n\nexport default dev;\n",[],[168,243],["D",1781310572920],[194,195],[168],"d7918672-98d4-40bb-9cb1-0abbca6de573","valtown.ts","d6048f50-66be-11f1-8d6e-1607ee4eb77e",4,["D",1781310524554],"const VT_API = \"https://api.val.town\";\n\nasync function vt(\n token: string,\n method: string,\n pathAndQuery: string,\n body?: unknown,\n): Promise {\n return await fetch(`${VT_API}${pathAndQuery}`, {\n method,\n headers: { Authorization: `Bearer ${token}`, \"Content-Type\": \"application/json\" },\n body: body === undefined ? undefined : JSON.stringify(body),\n });\n}\n\nasync function vtJson(token: string, method: string, pathAndQuery: string, body?: unknown) {\n const res = await vt(token, method, pathAndQuery, body);\n if (!res.ok) {\n throw new Error(\n `Val Town ${method} ${pathAndQuery} -> ${res.status}: ${(await res.text()).slice(0, 300)}`,\n );\n }\n return res.json();\n}\n\nexport async function getValId(token: string, slug: string): Promise {\n const [handle, name] = slug.split(\"/\");\n if (!handle || !name) throw new Error(`bad val slug: ${slug} (expected handle/name)`);\n return (await vtJson(token, \"GET\", `/v2/alias/vals/${handle}/${name}`)).id;\n}\n\nexport async function listMyVals(token: string): Promise {\n const slugs: string[] = [];\n for (let offset = 0;; offset += 100) {\n const { data } = await vtJson(token, \"GET\", `/v2/me/vals?limit=100&offset=${offset}`);\n for (const v of data) slugs.push(`${v.author.username}/${v.name}`);\n if (data.length < 100) break;\n }\n return slugs;\n}\n\nexport async function listValFiles(token: string, valId: string): Promise<{ path: string }[]> {\n const files: { path: string; type: string }[] = [];\n for (let offset = 0;; offset += 100) {\n const { data } = await vtJson(\n token,\n \"GET\",\n `/v2/vals/${valId}/files?path=&recursive=true&limit=100&offset=${offset}`,\n );\n files.push(...data);\n if (data.length < 100) break;\n }\n return files.filter((f) => f.type !== \"directory\");\n}\n\nexport async function readValFileBytes(\n token: string,\n valId: string,\n path: string,\n): Promise {\n const res = await vt(token, \"GET\", `/v2/vals/${valId}/files/content?path=${encodeURIComponent(path)}`);\n if (!res.ok) throw new Error(`Val Town read ${path} -> ${res.status}`);\n return new Uint8Array(await res.arrayBuffer());\n}\n\n// PUT updates an existing file; on 404 create it (and parent directories) with POST.\nexport async function upsertValFile(token: string, valId: string, path: string, content: string) {\n const q = `?path=${encodeURIComponent(path)}`;\n const put = await vt(token, \"PUT\", `/v2/vals/${valId}/files${q}`, { content });\n if (put.ok) return;\n if (put.status !== 404) throw new Error(`PUT ${path}: ${put.status} ${await put.text()}`);\n const parts = path.split(\"/\");\n for (let i = 1; i < parts.length; i++) {\n const dir = parts.slice(0, i).join(\"/\");\n await vt(token, \"POST\", `/v2/vals/${valId}/files?path=${encodeURIComponent(dir)}`, {\n type: \"directory\",\n });\n }\n const type = /\\.(ts|tsx|js|jsx)$/.test(path) ? \"script\" : \"file\";\n const post = await vt(token, \"POST\", `/v2/vals/${valId}/files${q}`, { content, type });\n if (!post.ok) throw new Error(`POST ${path}: ${post.status} ${await post.text()}`);\n}\n\nexport async function deleteValFile(token: string, valId: string, path: string) {\n const res = await vt(\n token,\n \"DELETE\",\n `/v2/vals/${valId}/files?path=${encodeURIComponent(path)}&recursive=false`,\n );\n if (!res.ok && res.status !== 404) {\n throw new Error(`DELETE ${path}: ${res.status} ${await res.text()}`);\n }\n}\n",[],[174,254],"3e8cec39-311d-4c87-a4e1-ce28d00c5ab7","github.ts","cc420920-66be-11f1-86c9-1607ee4eb77e",["D",1781310508175],"import { createPrivateKey, createSign } from \"node:crypto\";\n\nconst GH_API = \"https://api.github.com\";\n\nexport async function gh(token: string, path: string, init: RequestInit = {}): Promise {\n const res = await fetch(`${GH_API}${path}`, {\n ...init,\n headers: {\n Authorization: `Bearer ${token}`,\n Accept: \"application/vnd.github+json\",\n \"Content-Type\": \"application/json\",\n \"X-GitHub-Api-Version\": \"2022-11-28\",\n \"User-Agent\": \"githubsync-val\",\n ...(init.headers ?? {}),\n },\n });\n if (!res.ok) {\n throw new Error(\n `GitHub ${init.method ?? \"GET\"} ${path} -> ${res.status}: ${(await res.text()).slice(0, 300)}`,\n );\n }\n return res.status === 204 ? null : res.json();\n}\n\nexport async function fetchRepoFile(\n token: string,\n repo: string,\n path: string,\n ref: string,\n): Promise {\n const encPath = path.split(\"/\").map(encodeURIComponent).join(\"/\");\n const res = await fetch(`${GH_API}/repos/${repo}/contents/${encPath}?ref=${ref}`, {\n headers: {\n Authorization: `Bearer ${token}`,\n Accept: \"application/vnd.github.raw+json\",\n \"User-Agent\": \"githubsync-val\",\n },\n });\n if (!res.ok) throw new Error(`GitHub file ${repo}/${path}@${ref} -> ${res.status}`);\n return new Uint8Array(await res.arrayBuffer());\n}\n\nexport async function fetchRepoTree(token: string, repo: string, ref: string): Promise {\n const tree = await gh(token, `/repos/${repo}/git/trees/${encodeURIComponent(ref)}?recursive=1`);\n if (tree.truncated) throw new Error(\"Repo tree truncated - repo too large for full sync\");\n return tree.tree\n .filter((e: { type: string }) => e.type === \"blob\")\n .map((e: { path: string }) => e.path);\n}\n\nexport async function registerPushWebhook(token: string, repo: string, url: string, secret: string) {\n return await gh(token, `/repos/${repo}/hooks`, {\n method: \"POST\",\n body: JSON.stringify({\n name: \"web\",\n active: true,\n events: [\"push\"],\n config: { url, content_type: \"json\", secret },\n }),\n });\n}\n\n// sha1(\"blob \\0\" + bytes) — git blob sha, computed locally for diffing\nexport async function gitBlobSha(bytes: Uint8Array): Promise {\n const header = new TextEncoder().encode(`blob ${bytes.length}\\0`);\n const buf = new Uint8Array(header.length + bytes.length);\n buf.set(header);\n buf.set(bytes, header.length);\n const digest = await crypto.subtle.digest(\"SHA-1\", buf);\n return [...new Uint8Array(digest)].map((b) => b.toString(16).padStart(2, \"0\")).join(\"\");\n}\n\nexport function toBase64(bytes: Uint8Array): string {\n let bin = \"\";\n for (let i = 0; i < bytes.length; i += 0x8000) {\n bin += String.fromCharCode(...bytes.subarray(i, i + 0x8000));\n }\n return btoa(bin);\n}\n\nfunction b64url(input: string | Uint8Array): string {\n const bytes = typeof input === \"string\" ? new TextEncoder().encode(input) : input;\n let bin = \"\";\n for (const b of bytes) bin += String.fromCharCode(b);\n return btoa(bin).replaceAll(\"+\", \"-\").replaceAll(\"/\", \"_\").replace(/=+$/, \"\");\n}\n\n// GitHub App JWT. The manifest-conversion pem is PKCS#1; node:crypto accepts it as-is.\nexport function appJwt(appId: number | string, pem: string): string {\n const nowSec = Math.floor(Date.now() / 1000);\n const header = b64url(JSON.stringify({ alg: \"RS256\", typ: \"JWT\" }));\n const payload = b64url(JSON.stringify({ iat: nowSec - 60, exp: nowSec + 540, iss: String(appId) }));\n const signer = createSign(\"RSA-SHA256\");\n signer.update(`${header}.${payload}`);\n const sig = signer.sign(createPrivateKey(pem));\n return `${header}.${payload}.${b64url(new Uint8Array(sig))}`;\n}\n\nexport async function installationToken(\n app: { app_id: number; pem: string },\n installationId: number,\n): Promise {\n const jwt = appJwt(app.app_id, app.pem);\n const res = await fetch(`${GH_API}/app/installations/${installationId}/access_tokens`, {\n method: \"POST\",\n headers: {\n Authorization: `Bearer ${jwt}`,\n Accept: \"application/vnd.github+json\",\n \"User-Agent\": \"githubsync-val\",\n },\n });\n if (!res.ok) throw new Error(`installation token -> ${res.status}: ${await res.text()}`);\n return (await res.json()).token;\n}\n",[],[174,262],"257cc1a5-d5b2-4f01-9d08-dcb1e23bd659","creds.ts","d8b32ad6-66be-11f1-82b8-1607ee4eb77e",5,["D",1781310529049],"import { type Connection, getApp } from \"../db.ts\";\nimport { installationToken } from \"./github.ts\";\n\n// Secrets stored as \"env:NAME\" resolve from this val's environment at use time,\n// so dev-mode tokens never live in the database.\nexport function resolveSecret(v: string | null | undefined): string | undefined {\n if (!v) return undefined;\n return v.startsWith(\"env:\") ? Deno.env.get(v.slice(4)) : v;\n}\n\nexport function vtTokenFor(conn: Connection): string {\n const t = resolveSecret(conn.vt_token);\n if (!t) throw new Error(`connection ${conn.id}: missing Val Town token`);\n return t;\n}\n\nexport async function ghTokenFor(conn: Connection): Promise {\n const pat = resolveSecret(conn.gh_token);\n if (pat) return pat;\n if (conn.installation_id) {\n const app = await getApp();\n if (!app) throw new Error(\"no GitHub App registered\");\n return await installationToken(app, conn.installation_id);\n }\n throw new Error(`connection ${conn.id}: no GitHub credential`);\n}\n\nexport function devAuthorized(req: Request): boolean {\n const secret = Deno.env.get(\"DEV_SECRET\");\n return !!secret && req.headers.get(\"authorization\") === `Bearer ${secret}`;\n}\n",[],[174,269],["D",1781310508175],[190,191,192],[174],["D",1781310279766],["D",1789509672838],{"_105":104,"_112":108},{"_105":104,"_106":-5,"_107":108,"_18":60,"_109":110,"_111":25},{"_13":94,"_32":95,"_48":42,"_96":49,"_97":-5,"_98":-5,"_99":-5,"_100":-5,"_101":-5,"_102":50,"_103":104},"ctx",{"_87":-5,"_132":317,"_318":319,"_320":321,"_322":25,"_323":25,"_324":25,"_325":64,"_326":-5,"_327":-7,"_328":-7,"_329":68,"_330":25,"_331":25,"_332":-5,"_333":25,"_334":25,"_335":25,"_336":-5},"ENV",{"_288":289,"_290":291,"_292":95,"_293":294,"_295":296,"_297":298,"_299":300,"_301":302,"_303":304,"_305":306,"_307":308,"_309":310,"_311":312,"_313":314,"_315":316},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v10