Bsky short link service (#4542)

* bskylink: scaffold service w/ initial config and schema

* bskylink: implement link creation and redirects

* bskylink: tidy

* bskylink: tests

* bskylink: tidy, add error handler

* bskylink: add dockerfile

* bskylink: add build

* bskylink: fix some express plumbing

* bskyweb: proxy fallthrough routes to link service redirects

* bskyweb: build w/ link proxy

* Add AASA to bskylink (#4588)

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Co-authored-by: Hailey <me@haileyok.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/bskylink/src/util.ts b/bskylink/src/util.ts
new file mode 100644
index 000000000..0b57dd5c5
--- /dev/null
+++ b/bskylink/src/util.ts
@@ -0,0 +1,8 @@
+import {randomBytes} from 'node:crypto'
+
+import {toString} from 'uint8arrays'
+
+// 40bit random id of 5-7 characters
+export const randomId = () => {
+  return toString(randomBytes(5), 'base58btc')
+}