forked from coracle/flotilla
feat: improve og invite preview
This commit is contained in:
+7
-3
@@ -21,12 +21,16 @@ ENV VITE_BUILD_HASH=${VITE_BUILD_HASH}
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ENV NODE_OPTIONS=--max_old_space_size=16384
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RUN pnpm run build
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RUN pnpm prune --prod
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FROM node:20-alpine
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FROM node:20-bookworm-slim
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WORKDIR /app
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# Copy only the built output - no source, no .env, no dev deps
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# Copy production runtime only
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COPY --from=builder /app/package.json ./package.json
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COPY --from=builder /app/node_modules ./node_modules
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COPY --from=builder /app/build ./build
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COPY --from=builder /app/server.js ./server.js
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CMD ["npx", "serve", "-s", "build"]
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CMD ["node", "server.js"]
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@@ -31,7 +31,7 @@ To run your own Flotilla, it's as simple as:
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```sh
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pnpm install
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pnpm run build
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npx serve -s build
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node server.js
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```
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Or, if you prefer to use a container:
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@@ -4,6 +4,7 @@
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"private": true,
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"scripts": {
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"dev": "vite dev",
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"start": "node server.js",
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"build": "./build.sh",
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"release:android": "./build.sh && cap build android --androidreleasetype APK --signing-type apksigner",
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"tauri:dev": "tauri dev",
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@@ -60,6 +61,7 @@
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"@capawesome/capacitor-badge": "^8.0.0",
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"@getalby/lightning-tools": "^6.1.0",
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"@getalby/sdk": "^5.1.2",
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"@hono/node-server": "^1.19.14",
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"@noble/curves": "^1.9.7",
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"@pomade/core": "^0.2.3",
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"@poppanator/sveltekit-svg": "^4.2.1",
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@@ -80,12 +82,14 @@
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"@welshman/signer": "^0.8.13",
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"@welshman/store": "^0.8.13",
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"@welshman/util": "^0.8.13",
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"cheerio": "^1.2.0",
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"compressorjs-next": "^1.1.2",
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"daisyui": "^5.5.19",
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"date-picker-svelte": "^2.17.0",
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"dotenv": "^16.6.1",
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"emoji-picker-element": "^1.28.1",
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"fuse.js": "^7.1.0",
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"hono": "^4.12.14",
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"husky": "^9.1.7",
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"idb": "^8.0.3",
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"livekit-client": "^2.17.2",
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Generated
+141
@@ -62,6 +62,9 @@ importers:
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'@getalby/sdk':
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specifier: ^5.1.2
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version: 5.1.2(typescript@5.9.3)
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'@hono/node-server':
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specifier: ^1.19.14
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version: 1.19.14(hono@4.12.14)
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'@noble/curves':
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specifier: ^1.9.7
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version: 1.9.7
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@@ -122,6 +125,9 @@ importers:
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'@welshman/util':
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specifier: ^0.8.13
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version: 0.8.13(@noble/curves@1.9.7)(@welshman/lib@0.8.13)(nostr-tools@2.20.0(typescript@5.9.3))
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cheerio:
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specifier: ^1.2.0
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version: 1.2.0
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compressorjs-next:
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specifier: ^1.1.2
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version: 1.1.2
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@@ -140,6 +146,9 @@ importers:
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fuse.js:
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specifier: ^7.1.0
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version: 7.1.0
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hono:
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specifier: ^4.12.14
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version: 4.12.14
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husky:
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specifier: ^9.1.7
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version: 9.1.7
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engines: {node: '>=14'}
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'@hono/node-server@1.19.14':
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resolution: {integrity: sha512-GwtvgtXxnWsucXvbQXkRgqksiH2Qed37H9xHZocE5sA3N8O8O8/8FA3uclQXxXVzc9XBZuEOMK7+r02FmSpHtw==}
|
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engines: {node: '>=18.14.1'}
|
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peerDependencies:
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hono: ^4
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|
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'@humanfs/core@0.19.1':
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engines: {node: '>=18.18.0'}
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engines: {node: '>=10'}
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cheerio-select@2.1.0:
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cheerio@1.2.0:
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engines: {node: '>=20.18.1'}
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chevrotain@7.1.1:
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@@ -2830,6 +2852,9 @@ packages:
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emoji-regex@8.0.0:
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encoding-sniffer@0.2.1:
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enhanced-resolve@5.20.1:
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engines: {node: '>=10.13.0'}
|
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@@ -2841,6 +2866,14 @@ packages:
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engines: {node: '>=0.12'}
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entities@6.0.1:
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engines: {node: '>=0.12'}
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entities@7.0.1:
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engines: {node: '>=0.12'}
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env-paths@2.2.1:
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engines: {node: '>=6'}
|
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@@ -3234,6 +3267,10 @@ packages:
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resolution: {integrity: sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==}
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hasBin: true
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||||
hono@4.12.14:
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resolution: {integrity: sha512-am5zfg3yu6sqn5yjKBNqhnTX7Cv+m00ox+7jbaKkrLMRJ4rAdldd1xPd/JzbBWspqaQv6RSTrgFN95EsfhC+7w==}
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engines: {node: '>=16.9.0'}
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hosted-git-info@2.8.9:
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||||
engines: {node: '>=10'}
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||||
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htmlparser2@10.1.0:
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||||
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||||
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||||
husky@9.1.7:
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||||
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||||
engines: {node: '>=18'}
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||||
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||||
ico-endec@0.1.6:
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||||
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engines: {node: '>=8'}
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parse5-htmlparser2-tree-adapter@7.1.0:
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engines: {node: '>=4'}
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@@ -4456,6 +4509,9 @@ packages:
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||||
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||||
@@ -4891,6 +4947,10 @@ packages:
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||||
undici-types@7.16.0:
|
||||
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||||
engines: {node: '>=18'}
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||||
deprecated: Use @exodus/bytes instead for a more spec-conformant and faster implementation
|
||||
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|
||||
@@ -6228,6 +6297,10 @@ snapshots:
|
||||
transitivePeerDependencies:
|
||||
- typescript
|
||||
|
||||
'@hono/node-server@1.19.14(hono@4.12.14)':
|
||||
dependencies:
|
||||
hono: 4.12.14
|
||||
|
||||
'@humanfs/core@0.19.1': {}
|
||||
|
||||
'@humanfs/node@0.16.7':
|
||||
@@ -7642,6 +7715,29 @@ snapshots:
|
||||
ansi-styles: 4.3.0
|
||||
supports-color: 7.2.0
|
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|
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cheerio-select@2.1.0:
|
||||
dependencies:
|
||||
boolbase: 1.0.0
|
||||
css-select: 5.2.2
|
||||
css-what: 6.2.2
|
||||
domelementtype: 2.3.0
|
||||
domhandler: 5.0.3
|
||||
domutils: 3.2.2
|
||||
|
||||
cheerio@1.2.0:
|
||||
dependencies:
|
||||
cheerio-select: 2.1.0
|
||||
dom-serializer: 2.0.0
|
||||
domhandler: 5.0.3
|
||||
domutils: 3.2.2
|
||||
encoding-sniffer: 0.2.1
|
||||
htmlparser2: 10.1.0
|
||||
parse5: 7.3.0
|
||||
parse5-htmlparser2-tree-adapter: 7.1.0
|
||||
parse5-parser-stream: 7.1.2
|
||||
undici: 7.25.0
|
||||
whatwg-mimetype: 4.0.0
|
||||
|
||||
chevrotain@7.1.1:
|
||||
dependencies:
|
||||
regexp-to-ast: 0.5.0
|
||||
@@ -8032,6 +8128,11 @@ snapshots:
|
||||
|
||||
emoji-regex@8.0.0: {}
|
||||
|
||||
encoding-sniffer@0.2.1:
|
||||
dependencies:
|
||||
iconv-lite: 0.6.3
|
||||
whatwg-encoding: 3.1.1
|
||||
|
||||
enhanced-resolve@5.20.1:
|
||||
dependencies:
|
||||
graceful-fs: 4.2.11
|
||||
@@ -8041,6 +8142,10 @@ snapshots:
|
||||
|
||||
entities@4.5.0: {}
|
||||
|
||||
entities@6.0.1: {}
|
||||
|
||||
entities@7.0.1: {}
|
||||
|
||||
env-paths@2.2.1: {}
|
||||
|
||||
env-paths@3.0.0: {}
|
||||
@@ -8550,16 +8655,29 @@ snapshots:
|
||||
|
||||
he@1.2.0: {}
|
||||
|
||||
hono@4.12.14: {}
|
||||
|
||||
hosted-git-info@2.8.9: {}
|
||||
|
||||
hosted-git-info@4.1.0:
|
||||
dependencies:
|
||||
lru-cache: 6.0.0
|
||||
|
||||
htmlparser2@10.1.0:
|
||||
dependencies:
|
||||
domelementtype: 2.3.0
|
||||
domhandler: 5.0.3
|
||||
domutils: 3.2.2
|
||||
entities: 7.0.1
|
||||
|
||||
husky@9.1.7: {}
|
||||
|
||||
ico-endec@0.1.6: {}
|
||||
|
||||
iconv-lite@0.6.3:
|
||||
dependencies:
|
||||
safer-buffer: 2.1.2
|
||||
|
||||
idb@7.1.1: {}
|
||||
|
||||
idb@8.0.3: {}
|
||||
@@ -9266,6 +9384,19 @@ snapshots:
|
||||
json-parse-even-better-errors: 2.3.1
|
||||
lines-and-columns: 1.2.4
|
||||
|
||||
parse5-htmlparser2-tree-adapter@7.1.0:
|
||||
dependencies:
|
||||
domhandler: 5.0.3
|
||||
parse5: 7.3.0
|
||||
|
||||
parse5-parser-stream@7.1.2:
|
||||
dependencies:
|
||||
parse5: 7.3.0
|
||||
|
||||
parse5@7.3.0:
|
||||
dependencies:
|
||||
entities: 6.0.1
|
||||
|
||||
path-exists@3.0.0: {}
|
||||
|
||||
path-exists@4.0.0: {}
|
||||
@@ -9704,6 +9835,8 @@ snapshots:
|
||||
es-errors: 1.3.0
|
||||
is-regex: 1.2.1
|
||||
|
||||
safer-buffer@2.1.2: {}
|
||||
|
||||
sax@1.1.4: {}
|
||||
|
||||
sax@1.4.4: {}
|
||||
@@ -10229,6 +10362,8 @@ snapshots:
|
||||
|
||||
undici-types@7.16.0: {}
|
||||
|
||||
undici@7.25.0: {}
|
||||
|
||||
unicode-canonical-property-names-ecmascript@2.0.1: {}
|
||||
|
||||
unicode-match-property-ecmascript@2.0.0:
|
||||
@@ -10309,6 +10444,12 @@ snapshots:
|
||||
dependencies:
|
||||
sdp: 3.2.1
|
||||
|
||||
whatwg-encoding@3.1.1:
|
||||
dependencies:
|
||||
iconv-lite: 0.6.3
|
||||
|
||||
whatwg-mimetype@4.0.0: {}
|
||||
|
||||
whatwg-url@5.0.0:
|
||||
dependencies:
|
||||
tr46: 0.0.3
|
||||
|
||||
@@ -0,0 +1,785 @@
|
||||
// @ts-nocheck
|
||||
import {readFile} from "node:fs/promises"
|
||||
import {dirname, extname, join} from "node:path"
|
||||
import {fileURLToPath} from "node:url"
|
||||
import {load as loadHtml} from "cheerio"
|
||||
import {serve} from "@hono/node-server"
|
||||
import {serveStatic} from "@hono/node-server/serve-static"
|
||||
import {Hono} from "hono"
|
||||
import {request} from "@welshman/net"
|
||||
import {
|
||||
Address,
|
||||
CLASSIFIED,
|
||||
EVENT_TIME,
|
||||
POLL,
|
||||
ROOM_META,
|
||||
THREAD,
|
||||
ZAP_GOAL,
|
||||
displayPubkey,
|
||||
getTagValue,
|
||||
normalizeRelayUrl,
|
||||
readRoomMeta,
|
||||
} from "@welshman/util"
|
||||
|
||||
const __dirname = dirname(fileURLToPath(import.meta.url))
|
||||
const buildDir = join(__dirname, "build")
|
||||
const indexPath = join(buildDir, "index.html")
|
||||
|
||||
const RELAY_CACHE_TTL_MS = 5 * 60 * 1000
|
||||
const NOSTR_CACHE_TTL_MS = 60 * 1000
|
||||
const RELAY_TIMEOUT_MS = 1500
|
||||
const NOSTR_TIMEOUT_MS = 1800
|
||||
|
||||
const staticTitles = new Map([
|
||||
["/", "Redirecting"],
|
||||
["/home", "Home"],
|
||||
["/spaces", "Spaces"],
|
||||
["/spaces/create", "Create a Space"],
|
||||
["/chat", "Messages"],
|
||||
["/join", "Join Space"],
|
||||
["/people", "Find People"],
|
||||
["/settings/about", "About"],
|
||||
["/settings/profile", "Profile Settings"],
|
||||
["/settings/content", "Content Settings"],
|
||||
["/settings/privacy", "Privacy Settings"],
|
||||
["/settings/relays", "Relay Settings"],
|
||||
["/settings/alerts", "Alert Settings"],
|
||||
["/settings/wallet", "Wallet Settings"],
|
||||
])
|
||||
|
||||
const spaceSectionTitles = new Map([
|
||||
["chat", "Space Chat"],
|
||||
["recent", "Recent Activity"],
|
||||
["threads", "Threads"],
|
||||
["classifieds", "Classifieds"],
|
||||
["calendar", "Calendar"],
|
||||
["goals", "Goals"],
|
||||
["polls", "Polls"],
|
||||
])
|
||||
|
||||
const eventRouteKinds = new Map([
|
||||
["threads", THREAD],
|
||||
["goals", ZAP_GOAL],
|
||||
["calendar", EVENT_TIME],
|
||||
["classifieds", CLASSIFIED],
|
||||
["polls", POLL],
|
||||
])
|
||||
|
||||
const reservedSingleSegments = new Set([
|
||||
"home",
|
||||
"spaces",
|
||||
"space",
|
||||
"chat",
|
||||
"join",
|
||||
"people",
|
||||
"settings",
|
||||
])
|
||||
|
||||
const relayInfoCache = new Map()
|
||||
const roomInfoCache = new Map()
|
||||
const eventCache = new Map()
|
||||
|
||||
const indexHtml = await readFile(indexPath, "utf8").catch(error => {
|
||||
console.error("Unable to start server: build/index.html is missing. Run `pnpm run build` first.")
|
||||
|
||||
throw error
|
||||
})
|
||||
|
||||
const defaults = getHtmlDefaults(indexHtml)
|
||||
const app = new Hono()
|
||||
const staticFiles = serveStatic({
|
||||
root: "./build",
|
||||
rewriteRequestPath: path => path.replace(/^\/+/, ""),
|
||||
})
|
||||
|
||||
app.use("*", staticFiles)
|
||||
|
||||
app.get("*", async c => {
|
||||
const requestUrl = new URL(c.req.url)
|
||||
|
||||
if (extname(requestUrl.pathname)) {
|
||||
return c.text("Not Found", 404)
|
||||
}
|
||||
|
||||
const origin = getRequestOrigin(c.req.raw, requestUrl)
|
||||
const meta = await buildRouteMeta(requestUrl, origin)
|
||||
const html = renderHtml(indexHtml, meta)
|
||||
|
||||
c.header("Cache-Control", "no-cache")
|
||||
|
||||
return c.html(html)
|
||||
})
|
||||
|
||||
app.notFound(c => c.text("Not Found", 404))
|
||||
|
||||
app.onError((error, c) => {
|
||||
console.error(error)
|
||||
|
||||
return c.text("Internal Server Error", 500)
|
||||
})
|
||||
|
||||
const port = Number.parseInt(process.env.PORT || "3000", 10)
|
||||
const host = process.env.HOST || "0.0.0.0"
|
||||
|
||||
serve({fetch: app.fetch, hostname: host, port})
|
||||
console.log(`Flotilla server listening on http://${host}:${port}`)
|
||||
|
||||
async function buildRouteMeta(requestUrl, origin) {
|
||||
const absoluteDefaultImage = toAbsoluteHttpUrl(defaults.image, origin)
|
||||
|
||||
if (!absoluteDefaultImage) {
|
||||
throw new Error(`Default twitter:image must resolve to an absolute URL. Found: ${defaults.image}`)
|
||||
}
|
||||
|
||||
const meta = {
|
||||
card: "summary",
|
||||
description: defaults.description,
|
||||
image: absoluteDefaultImage,
|
||||
site: defaults.site,
|
||||
title: defaults.title,
|
||||
type: "website",
|
||||
url: requestUrl.href,
|
||||
}
|
||||
|
||||
const route = parseRoute(requestUrl.pathname)
|
||||
|
||||
if (route.kind === "join") {
|
||||
return await buildJoinMeta(meta, requestUrl, origin)
|
||||
}
|
||||
|
||||
if (route.kind === "static") {
|
||||
meta.title = route.title
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
if (route.kind === "chat") {
|
||||
meta.title = getChatTitle(route.chat)
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
if (route.kind === "bech32") {
|
||||
meta.title = "Opening Link"
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
if (!route.relay) {
|
||||
return meta
|
||||
}
|
||||
|
||||
const relayUrl = normalizeRelayParam(route.relay)
|
||||
const relayInfo = relayUrl ? await loadRelayInfo(relayUrl) : undefined
|
||||
const relayName = relayInfo?.name || (relayUrl ? getRelayDisplay(relayUrl) : "Space")
|
||||
const relayHttpUrl = relayUrl ? toRelayHttpUrl(relayUrl) : undefined
|
||||
|
||||
if (relayInfo?.icon) {
|
||||
meta.image = relayInfo.icon
|
||||
}
|
||||
|
||||
if (relayInfo?.description) {
|
||||
meta.description = relayInfo.description
|
||||
}
|
||||
|
||||
if (route.kind === "space") {
|
||||
meta.title = relayName
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
if (route.kind === "space-section") {
|
||||
meta.title = composeSpaceTitle(relayName, route.sectionTitle)
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
if (route.kind === "room") {
|
||||
const roomInfo = relayUrl ? await loadRoomInfo(relayUrl, route.h) : undefined
|
||||
const roomName = roomInfo?.name || route.h
|
||||
|
||||
meta.title = composeSpaceTitle(relayName, roomName)
|
||||
meta.description = roomInfo?.about || meta.description
|
||||
|
||||
const roomImage = roomInfo?.picture
|
||||
? toAbsoluteHttpUrl(roomInfo.picture, relayHttpUrl || origin)
|
||||
: undefined
|
||||
|
||||
if (roomImage) {
|
||||
meta.image = roomImage
|
||||
}
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
if (route.kind === "event") {
|
||||
const event = relayUrl
|
||||
? await loadEventForRoute(relayUrl, route.section, route.identifier)
|
||||
: undefined
|
||||
const eventTitle = getEventTitle(route.section, event)
|
||||
|
||||
meta.title = composeSpaceTitle(relayName, eventTitle)
|
||||
meta.description = getEventDescription(route.section, event, meta.description)
|
||||
|
||||
const eventImage = getTagValue("image", event?.tags || [])
|
||||
const absoluteEventImage = eventImage
|
||||
? toAbsoluteHttpUrl(eventImage, relayHttpUrl || origin)
|
||||
: undefined
|
||||
|
||||
if (absoluteEventImage) {
|
||||
meta.image = absoluteEventImage
|
||||
meta.card = "summary_large_image"
|
||||
}
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
function parseRoute(pathname) {
|
||||
const normalizedPath = normalizePathname(pathname)
|
||||
|
||||
if (normalizedPath === "/join") {
|
||||
return {kind: "join"}
|
||||
}
|
||||
|
||||
if (staticTitles.has(normalizedPath)) {
|
||||
return {kind: "static", title: staticTitles.get(normalizedPath)}
|
||||
}
|
||||
|
||||
const segments = getPathSegments(normalizedPath)
|
||||
|
||||
if (segments.length === 2 && segments[0] === "chat") {
|
||||
return {chat: segments[1], kind: "chat"}
|
||||
}
|
||||
|
||||
if (segments.length === 1 && !reservedSingleSegments.has(segments[0])) {
|
||||
return {bech32: segments[0], kind: "bech32"}
|
||||
}
|
||||
|
||||
if ((segments[0] === "spaces" || segments[0] === "space") && segments.length >= 2) {
|
||||
const relay = segments[1]
|
||||
|
||||
if (segments.length === 2) {
|
||||
return {kind: "space", relay}
|
||||
}
|
||||
|
||||
const section = segments[2]
|
||||
|
||||
if (segments.length === 3) {
|
||||
if (spaceSectionTitles.has(section)) {
|
||||
return {
|
||||
kind: "space-section",
|
||||
relay,
|
||||
section,
|
||||
sectionTitle: spaceSectionTitles.get(section),
|
||||
}
|
||||
}
|
||||
|
||||
return {h: section, kind: "room", relay}
|
||||
}
|
||||
|
||||
if (segments.length === 4 && eventRouteKinds.has(section)) {
|
||||
return {
|
||||
identifier: segments[3],
|
||||
kind: "event",
|
||||
relay,
|
||||
section,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return {kind: "unknown"}
|
||||
}
|
||||
|
||||
async function buildJoinMeta(meta, requestUrl, origin) {
|
||||
const relayUrl = parseInviteRelay(requestUrl)
|
||||
|
||||
if (!relayUrl) {
|
||||
meta.title = staticTitles.get("/join") || "Join Space"
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
const relayInfo = await loadRelayInfo(relayUrl)
|
||||
const relayDisplay = relayInfo?.name || getRelayDisplay(relayUrl)
|
||||
|
||||
meta.title = `Invitation to join ${relayDisplay}`
|
||||
meta.description = relayInfo?.description || `Join this Flotilla space on ${relayDisplay}.`
|
||||
meta.image = relayInfo?.icon || meta.image
|
||||
meta.url = requestUrl.href
|
||||
meta.site = defaults.site
|
||||
|
||||
return meta
|
||||
}
|
||||
|
||||
function getChatTitle(chat) {
|
||||
if (!chat) {
|
||||
return "Chat"
|
||||
}
|
||||
|
||||
const peers = chat
|
||||
.split(",")
|
||||
.map(part => part.trim())
|
||||
.filter(Boolean)
|
||||
|
||||
if (peers.length === 1) {
|
||||
return `Chat with ${displayPubkey(peers[0])}`
|
||||
}
|
||||
|
||||
if (peers.length > 1) {
|
||||
return `Group chat (${peers.length})`
|
||||
}
|
||||
|
||||
return "Chat"
|
||||
}
|
||||
|
||||
function getEventTitle(section, event) {
|
||||
if (section === "threads") {
|
||||
return getTagValue("title", event?.tags || []) || "Thread"
|
||||
}
|
||||
|
||||
if (section === "calendar") {
|
||||
return getTagValue("title", event?.tags || []) || "Event"
|
||||
}
|
||||
|
||||
if (section === "classifieds") {
|
||||
return getTagValue("title", event?.tags || []) || "Listing"
|
||||
}
|
||||
|
||||
if (section === "goals") {
|
||||
return event?.content?.trim() || getTagValue("summary", event?.tags || []) || "Goal"
|
||||
}
|
||||
|
||||
if (section === "polls") {
|
||||
return getTagValue("title", event?.tags || []) || "Poll"
|
||||
}
|
||||
|
||||
return "Event"
|
||||
}
|
||||
|
||||
function getEventDescription(section, event, fallback) {
|
||||
const summary =
|
||||
getTagValue("summary", event?.tags || []) || getTagValue("description", event?.tags || [])
|
||||
|
||||
if (summary) {
|
||||
return clip(summary, 220)
|
||||
}
|
||||
|
||||
if (event?.content?.trim()) {
|
||||
return clip(event.content.trim(), 220)
|
||||
}
|
||||
|
||||
if (section === "threads") {
|
||||
return "Read this thread in Flotilla."
|
||||
}
|
||||
|
||||
if (section === "goals") {
|
||||
return "Track this goal in Flotilla."
|
||||
}
|
||||
|
||||
if (section === "calendar") {
|
||||
return "View this calendar event in Flotilla."
|
||||
}
|
||||
|
||||
if (section === "classifieds") {
|
||||
return "Browse this listing in Flotilla."
|
||||
}
|
||||
|
||||
if (section === "polls") {
|
||||
return "Take this poll in Flotilla."
|
||||
}
|
||||
|
||||
return fallback
|
||||
}
|
||||
|
||||
function composeSpaceTitle(spaceName, leafTitle) {
|
||||
const cleanedSpace = spaceName?.trim()
|
||||
const cleanedLeaf = leafTitle?.trim()
|
||||
|
||||
if (cleanedSpace && cleanedLeaf) {
|
||||
return `${cleanedSpace} / ${cleanedLeaf}`
|
||||
}
|
||||
|
||||
return cleanedLeaf || cleanedSpace || defaults.title
|
||||
}
|
||||
|
||||
async function loadRelayInfo(relayUrl) {
|
||||
const cached = getCachedValue(relayInfoCache, relayUrl)
|
||||
|
||||
if (cached) {
|
||||
return cached
|
||||
}
|
||||
|
||||
const relayHttpUrl = toRelayHttpUrl(relayUrl)
|
||||
|
||||
if (!relayHttpUrl) {
|
||||
setCachedValue(relayInfoCache, relayUrl, undefined, RELAY_CACHE_TTL_MS)
|
||||
|
||||
return undefined
|
||||
}
|
||||
|
||||
const controller = new AbortController()
|
||||
const timeout = setTimeout(() => controller.abort(), RELAY_TIMEOUT_MS)
|
||||
|
||||
let value
|
||||
|
||||
try {
|
||||
const response = await fetch(relayHttpUrl, {
|
||||
headers: {Accept: "application/nostr+json"},
|
||||
signal: controller.signal,
|
||||
})
|
||||
|
||||
if (response.ok) {
|
||||
const json = await response.json()
|
||||
const name = typeof json.name === "string" ? json.name.trim() : ""
|
||||
const description = typeof json.description === "string" ? json.description.trim() : ""
|
||||
const icon = typeof json.icon === "string" ? toAbsoluteHttpUrl(json.icon, relayHttpUrl) : undefined
|
||||
|
||||
value = {
|
||||
description: description || undefined,
|
||||
icon,
|
||||
name: name || undefined,
|
||||
}
|
||||
}
|
||||
} catch {
|
||||
value = undefined
|
||||
} finally {
|
||||
clearTimeout(timeout)
|
||||
}
|
||||
|
||||
setCachedValue(relayInfoCache, relayUrl, value, RELAY_CACHE_TTL_MS)
|
||||
|
||||
return value
|
||||
}
|
||||
|
||||
async function loadRoomInfo(relayUrl, h) {
|
||||
const cacheKey = `${relayUrl}|${h}`
|
||||
const cached = getCachedValue(roomInfoCache, cacheKey)
|
||||
|
||||
if (cached !== undefined) {
|
||||
return cached
|
||||
}
|
||||
|
||||
const events = await requestEvents(relayUrl, [{"#d": [h], kinds: [ROOM_META], limit: 20}])
|
||||
const roomMetas = []
|
||||
|
||||
for (const event of events) {
|
||||
try {
|
||||
const roomMeta = readRoomMeta(event)
|
||||
|
||||
if (roomMeta.h === h) {
|
||||
roomMetas.push(roomMeta)
|
||||
}
|
||||
} catch {
|
||||
// Ignore malformed room metadata.
|
||||
}
|
||||
}
|
||||
|
||||
const latest = roomMetas.sort((a, b) => b.event.created_at - a.event.created_at)[0]
|
||||
const roomInfo = latest
|
||||
? {
|
||||
about: latest.about,
|
||||
name: latest.name,
|
||||
picture: latest.picture,
|
||||
}
|
||||
: undefined
|
||||
|
||||
setCachedValue(roomInfoCache, cacheKey, roomInfo, NOSTR_CACHE_TTL_MS)
|
||||
|
||||
return roomInfo
|
||||
}
|
||||
|
||||
async function loadEventForRoute(relayUrl, section, identifier) {
|
||||
const kind = eventRouteKinds.get(section)
|
||||
|
||||
if (!kind || !identifier) {
|
||||
return undefined
|
||||
}
|
||||
|
||||
const cacheKey = `${relayUrl}|${section}|${identifier}`
|
||||
const cached = getCachedValue(eventCache, cacheKey)
|
||||
|
||||
if (cached !== undefined) {
|
||||
return cached
|
||||
}
|
||||
|
||||
const filters = getEventFilters(kind, identifier)
|
||||
const events = filters.length > 0 ? await requestEvents(relayUrl, filters) : []
|
||||
const event = events[0]
|
||||
|
||||
setCachedValue(eventCache, cacheKey, event, NOSTR_CACHE_TTL_MS)
|
||||
|
||||
return event
|
||||
}
|
||||
|
||||
function getEventFilters(kind, identifier) {
|
||||
if (kind === EVENT_TIME || kind === CLASSIFIED) {
|
||||
try {
|
||||
const address = Address.from(identifier)
|
||||
|
||||
return [
|
||||
{
|
||||
"#d": [address.identifier],
|
||||
authors: [address.pubkey],
|
||||
kinds: [address.kind],
|
||||
limit: 1,
|
||||
},
|
||||
]
|
||||
} catch {
|
||||
return [{ids: [identifier], kinds: [kind], limit: 1}]
|
||||
}
|
||||
}
|
||||
|
||||
return [{ids: [identifier], kinds: [kind], limit: 1}]
|
||||
}
|
||||
|
||||
async function requestEvents(relayUrl, filters) {
|
||||
const controller = new AbortController()
|
||||
const timeout = setTimeout(() => controller.abort(), NOSTR_TIMEOUT_MS)
|
||||
|
||||
try {
|
||||
return await request({
|
||||
autoClose: true,
|
||||
filters,
|
||||
relays: [relayUrl],
|
||||
signal: controller.signal,
|
||||
})
|
||||
} catch {
|
||||
return []
|
||||
} finally {
|
||||
clearTimeout(timeout)
|
||||
}
|
||||
}
|
||||
|
||||
function renderHtml(html, meta) {
|
||||
const $ = loadHtml(html)
|
||||
|
||||
upsertTitle($, meta.title)
|
||||
upsertMetaTag($, "name", "description", meta.description)
|
||||
upsertMetaTag($, "name", "og:url", meta.url)
|
||||
upsertMetaTag($, "name", "og:type", meta.type)
|
||||
upsertMetaTag($, "name", "og:title", meta.title)
|
||||
upsertMetaTag($, "name", "og:description", meta.description)
|
||||
upsertMetaTag($, "name", "twitter:card", meta.card)
|
||||
upsertMetaTag($, "name", "twitter:site", meta.site)
|
||||
upsertMetaTag($, "name", "twitter:title", meta.title)
|
||||
upsertMetaTag($, "name", "twitter:description", meta.description)
|
||||
upsertMetaTag($, "name", "twitter:image", meta.image)
|
||||
|
||||
upsertMetaTag($, "property", "og:url", meta.url)
|
||||
upsertMetaTag($, "property", "og:type", meta.type)
|
||||
upsertMetaTag($, "property", "og:title", meta.title)
|
||||
upsertMetaTag($, "property", "og:description", meta.description)
|
||||
upsertMetaTag($, "property", "og:image", meta.image)
|
||||
|
||||
return $.html()
|
||||
}
|
||||
|
||||
function upsertTitle($, value) {
|
||||
let titleTag = $("head > title").first()
|
||||
|
||||
if (titleTag.length === 0) {
|
||||
$("head").prepend("<title></title>")
|
||||
titleTag = $("head > title").first()
|
||||
}
|
||||
|
||||
titleTag.text(value)
|
||||
}
|
||||
|
||||
function upsertMetaTag($, attribute, key, content) {
|
||||
const selector = `meta[${attribute}="${key}"]`
|
||||
let metaTag = $(selector).first()
|
||||
|
||||
if (metaTag.length === 0) {
|
||||
metaTag = $("<meta>").attr(attribute, key)
|
||||
$("head").append(metaTag)
|
||||
}
|
||||
|
||||
metaTag.attr("content", content)
|
||||
}
|
||||
|
||||
function getHtmlDefaults(html) {
|
||||
const $ = loadHtml(html)
|
||||
|
||||
return {
|
||||
description: readRequiredMetaContent($, "og:description"),
|
||||
image: readRequiredMetaContent($, "twitter:image"),
|
||||
site: readRequiredMetaContent($, "twitter:site"),
|
||||
title: readRequiredMetaContent($, "og:title"),
|
||||
}
|
||||
}
|
||||
|
||||
function readRequiredMetaContent($, key) {
|
||||
const content = readMetaContent($, key)
|
||||
|
||||
if (!content) {
|
||||
throw new Error(`Missing required meta tag ${key} in build/index.html. Ensure it exists in src/app.html.`)
|
||||
}
|
||||
|
||||
return content
|
||||
}
|
||||
|
||||
function readMetaContent($, key) {
|
||||
const byName = $(`meta[name="${key}"]`).attr("content")
|
||||
|
||||
if (typeof byName === "string" && byName.trim()) {
|
||||
return byName.trim()
|
||||
}
|
||||
|
||||
const byProperty = $(`meta[property="${key}"]`).attr("content")
|
||||
|
||||
return typeof byProperty === "string" && byProperty.trim() ? byProperty.trim() : undefined
|
||||
}
|
||||
|
||||
function parseInviteRelay(requestUrl) {
|
||||
const relay = requestUrl.searchParams.get("r") || requestUrl.searchParams.get("relay")
|
||||
|
||||
if (!relay) {
|
||||
return undefined
|
||||
}
|
||||
|
||||
return normalizeRelayParam(relay)
|
||||
}
|
||||
|
||||
function normalizeRelayParam(value) {
|
||||
const decoded = value.trim()
|
||||
|
||||
if (!decoded) {
|
||||
return undefined
|
||||
}
|
||||
|
||||
const hasProtocol = /^[a-zA-Z][a-zA-Z\d+.-]*:\/\//.test(decoded)
|
||||
const withProtocol = hasProtocol ? decoded : `wss://${decoded}`
|
||||
|
||||
try {
|
||||
const normalized = normalizeRelayUrl(withProtocol)
|
||||
|
||||
if (normalized.startsWith("ws://") || normalized.startsWith("wss://")) {
|
||||
return normalized.replace(/\/+$/, "")
|
||||
}
|
||||
} catch {
|
||||
// Ignore malformed relay URLs.
|
||||
}
|
||||
|
||||
return undefined
|
||||
}
|
||||
|
||||
function toRelayHttpUrl(relayUrl) {
|
||||
if (relayUrl.startsWith("wss://")) {
|
||||
return `https://${relayUrl.slice(6)}`
|
||||
}
|
||||
|
||||
if (relayUrl.startsWith("ws://")) {
|
||||
return `http://${relayUrl.slice(5)}`
|
||||
}
|
||||
|
||||
return undefined
|
||||
}
|
||||
|
||||
function getRelayDisplay(relayUrl) {
|
||||
const relayHttpUrl = toRelayHttpUrl(relayUrl)
|
||||
|
||||
if (!relayHttpUrl) {
|
||||
return relayUrl
|
||||
}
|
||||
|
||||
try {
|
||||
return new URL(relayHttpUrl).host
|
||||
} catch {
|
||||
return relayUrl
|
||||
}
|
||||
}
|
||||
|
||||
function toAbsoluteHttpUrl(value, baseUrl) {
|
||||
try {
|
||||
const parsed = new URL(value, baseUrl)
|
||||
|
||||
if (parsed.protocol === "http:" || parsed.protocol === "https:") {
|
||||
return parsed.href
|
||||
}
|
||||
} catch {
|
||||
// Ignore malformed URLs.
|
||||
}
|
||||
|
||||
return undefined
|
||||
}
|
||||
|
||||
function getRequestOrigin(req, requestUrl) {
|
||||
const protocol = firstHeaderValue(req.headers.get("x-forwarded-proto")) || requestUrl.protocol.slice(0, -1)
|
||||
const host =
|
||||
firstHeaderValue(req.headers.get("x-forwarded-host")) ||
|
||||
req.headers.get("host") ||
|
||||
requestUrl.host ||
|
||||
"localhost"
|
||||
|
||||
return `${protocol}://${host}`
|
||||
}
|
||||
|
||||
function firstHeaderValue(value) {
|
||||
if (typeof value === "string") {
|
||||
return value.split(",")[0].trim()
|
||||
}
|
||||
|
||||
return undefined
|
||||
}
|
||||
|
||||
function normalizePathname(pathname) {
|
||||
const cleanPath = pathname.replace(/\/+/g, "/")
|
||||
|
||||
if (cleanPath === "/") {
|
||||
return "/"
|
||||
}
|
||||
|
||||
return cleanPath.replace(/\/+$/, "") || "/"
|
||||
}
|
||||
|
||||
function getPathSegments(pathname) {
|
||||
const normalized = normalizePathname(pathname)
|
||||
|
||||
if (normalized === "/") {
|
||||
return []
|
||||
}
|
||||
|
||||
return normalized
|
||||
.slice(1)
|
||||
.split("/")
|
||||
.map(decodeSegment)
|
||||
}
|
||||
|
||||
function decodeSegment(value) {
|
||||
try {
|
||||
return decodeURIComponent(value)
|
||||
} catch {
|
||||
return value
|
||||
}
|
||||
}
|
||||
|
||||
function clip(text, maxLength) {
|
||||
if (text.length <= maxLength) {
|
||||
return text
|
||||
}
|
||||
|
||||
return `${text.slice(0, maxLength - 1).trimEnd()}…`
|
||||
}
|
||||
|
||||
function getCachedValue(cache, key) {
|
||||
const cached = cache.get(key)
|
||||
|
||||
if (!cached) {
|
||||
return undefined
|
||||
}
|
||||
|
||||
if (cached.expiresAt <= Date.now()) {
|
||||
cache.delete(key)
|
||||
|
||||
return undefined
|
||||
}
|
||||
|
||||
return cached.value
|
||||
}
|
||||
|
||||
function setCachedValue(cache, key, value, ttlMs) {
|
||||
cache.set(key, {expiresAt: Date.now() + ttlMs, value})
|
||||
}
|
||||
Reference in New Issue
Block a user