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A five-second phone recording took over a minute: stt-proxy waited up to 60 s for the self-hosted gateway, whose GPU endpoint was off and whose NAS CPU Whisper needs 30-90 s per clip. With a direct provider configured the gateway now gets 5 s plus the clip length (30 s cap). The direct OpenAI fallback never produced a result. The production key held characters that are not valid in an HTTP header, so every request threw while being built; provider keys are now stripped of BOM/zero-width characters and a still-invalid key counts as not configured. whisper-1 verbose_json reports the language by name, which the result contract rejected; names now map to codes. Fail-closed responses list each provider's failure (status or error class, no secrets) so an outage can be diagnosed without log access.
22 lines
992 B
TypeScript
22 lines
992 B
TypeScript
// Provider API keys read from function secrets.
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//
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// A secret pasted from a Windows file or a rich-text source can carry a BOM,
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// zero-width characters or surrounding whitespace. Such a value is not a valid
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// HTTP header ByteString, so every request built with it throws before leaving
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// the function — the OpenAI STT fallback failed this way on every call until
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// 2026-09-27 ("headers of RequestInit is not a valid ByteString"). Strip the
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// invisible characters; anything still outside printable ASCII is treated as
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// not configured, so the provider is skipped instead of failing each request.
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const INVISIBLE = /[- \s]/g
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const PRINTABLE_ASCII = /^[\x21-\x7E]+$/
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export function sanitizeProviderKey(raw: string | undefined | null): string {
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if (!raw) return ''
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const value = raw.replace(INVISIBLE, '')
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return PRINTABLE_ASCII.test(value) ? value : ''
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}
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export function readProviderKey(name: string): string {
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return sanitizeProviderKey(Deno.env.get(name))
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}
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