(fix): download raw cargo.yaml to avoid rate limiting

Author: christian-bromann

src/constants.ts

@@ -1,6 +1,6 @@
 import os from 'node:os'
 
-export const GECKODRIVER_RELEASES = 'https://api.github.com/repos/mozilla/geckodriver/releases/latest'
+export const GECKODRIVER_CARGO_YAML = 'https://raw.githubusercontent.com/mozilla/geckodriver/release/Cargo.toml'
 export const BASE_CDN_URL = process.env.GECKODRIVER_CDNURL || process.env.npm_config_geckodriver_cdnurl || 'https://github.com/mozilla/geckodriver/releases/download'
 // e.g. https://github.com/mozilla/geckodriver/releases/download/v0.33.0/geckodriver-v0.33.0-macos-aarch64.tar.gz
 export const GECKODRIVER_DOWNLOAD_PATH = `${BASE_CDN_URL}/v%s/geckodriver-v%s-%s%s%s`

src/install.ts

@@ -14,7 +14,7 @@ import { HttpsProxyAgent } from 'https-proxy-agent'
 import { HttpProxyAgent } from 'http-proxy-agent'
 import unzipper, { type Entry } from 'unzipper'
 
-import { BINARY_FILE, GECKODRIVER_RELEASES } from './constants.js'
+import { BINARY_FILE, GECKODRIVER_CARGO_YAML } from './constants.js'
 import { hasAccess, getDownloadUrl, retryFetch } from './utils.js'
 
 const log = logger('geckodriver')
@@ -40,12 +40,13 @@ export async function download (
    * get latest version of Geckodriver
    */
   if (!geckodriverVersion) {
-    const res = await retryFetch(GECKODRIVER_RELEASES, fetchOpts)
-    const releases = await res.json() as { name: string }
-    geckodriverVersion = releases.name
-    if (!geckodriverVersion) {
-      throw new Error(`Couldn't find version name in releases: ${JSON.stringify(releases)}`)
+    const res = await retryFetch(GECKODRIVER_CARGO_YAML, fetchOpts)
+    const toml = await res.text()
+    const version = toml.split('\n').find((l) => l.startsWith('version = '))
+    if (!version) {
+      throw new Error(`Couldn't find version property in Cargo.toml file: ${JSON.stringify(toml)}`)
     }
+    geckodriverVersion = version.split(' = ').pop().slice(1, -1)
     log.info(`Detected Geckodriver v${geckodriverVersion} to be latest`)
   }