Update readme and env example fileCNSeniorious000/free-chat#21

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1import { getHeaders } from '@/utils/header'
2import type { APIRoute } from 'astro'
3const baseUrl = ((import.meta.env.OPENAI_API_BASE_URL) || 'https://api.openai.com').trim().replace(/\/$/, '')
4
5export const post: APIRoute = async(context) => {
6  const headers = getHeaders(context.request)
7
8  const prompt = '你好。\n\n你好。\n\n你好。\n\n'
9
10  const formData = new FormData()
11  formData.append('model', 'whisper-1')
12  formData.append('language', import.meta.env.TRANSCRIPT_TARGET_LANG ?? 'zh')
13  formData.append('response_format', 'text')
14  formData.append('prompt', import.meta.env.TRANSCRIPT_PROMPT ?? prompt)
15  formData.append('file', await context.request.blob(), 'file.webm')
16
17  const text = await fetch(`${baseUrl}/v1/audio/transcriptions`, { method: 'POST', headers, body: formData }).then(res => res.text())
18
19  console.error({ text })
20
21  return new Response(text.trim(), { headers: { 'Content-Type': 'text/plain' } })
22}
23

1import { run } from '../../utils/cf-workers-ai'
2import type { APIRoute } from 'astro'
3
4const deeplAuthKey = import.meta.env.DEEPL_AUTH_TOKEN
5const useDeepL = deeplAuthKey && import.meta.env.TRANSLATE_PROVIDER !== 'cf'
6const target_lang = import.meta.env.TRANSLATE_TARGET_LANG ?? (useDeepL ? 'ZH' : 'chinese')
7
8export const get: APIRoute = async(context) => {
9  const text = context.url.searchParams.get('text')
10  if (useDeepL) {
11    const host = import.meta.env.DEEPL_API_HOST ?? (deeplAuthKey.endsWith(':fx') ? 'api-free.deepl.com' : 'api.deepl.com')
12    const headers = { 'Authorization': `DeepL-Auth-Key ${deeplAuthKey}`, 'Content-Type': 'application/json' }
13    const { translations: [{ text: translated_text, detected_source_language }] } = await fetch(`https://${host}/v2/translate`, { method: 'POST', headers, body: JSON.stringify({ text: [text], target_lang }) }).then(res => res.json())
14    return new Response(translated_text, { headers: { 'x-detected-source-language': detected_source_language } })
15  }
16  const { result: { translated_text } } = await run('@cf/meta/m2m100-1.2b', { text, target_lang })
17  return new Response(translated_text)
18}
19

1export async function run(model: string, input: any) {
2  if (!import.meta.env.CF_ACCOUNT_ID || !import.meta.env.CF_API_TOKEN) throw new Error('cloudflare configuration not found')
3
4  const res = await fetch(
5      `https://api.cloudflare.com/client/v4/accounts/${import.meta.env.CF_ACCOUNT_ID}/ai/run/${model}`,
6      {
7        headers: { Authorization: `Bearer ${import.meta.env.CF_API_TOKEN}` },
8        method: 'POST',
9        body: JSON.stringify(input),
10      },
11  )
12  return res.json()
13}
14

15| `OPENAI_API_KEY` | Your API Key for OpenAI. | `null` |
16| `OPENAI_API_TEMPERATURE` | Default `temperature` parameter for model. | `1.0` |
17| `HTTPS_PROXY` | Provide proxy for OpenAI API. | `null` |
18| `OPENAI_API_BASE_URL` | Custom base url for OpenAI API. | `https://api.openai.com` |
19| `HEAD_SCRIPTS` | Inject analytics or other scripts before `</head>` of the page | `null` |
20| `PUBLIC_SECRET_KEY` | Secret string for the project. Use for generating signatures for API calls | `null` |
21| `SITE_PASSWORD` | Set password for site. If not set, site will be public | `null` |
22| `OPENAI_API_MODEL` | ID of the model to use. [Model endpoint compatibility](https://platform.openai.com/docs/models/model-endpoint-compatibility) | `gpt-3.5-turbo-1106` |
23| `TUTORIAL_MD_URL` | url of the tutorial markdown file | `null` |
24| `PUBLIC_IFRAME_URL` | url of the advertisement iframe | `null` |
25| `UNDICI_UA` | user-agent for backend requests | `(forward)` |
26| `PUBLIC_RIGHT_ALIGN_MY_MSG` | whether user messages should be right-aligned | `null` |
27| `PUBLIC_CL100K_BASE_JSON_URL` | CDN url for `cl100k_base.json`, such as [file at jsdelivr.net](https://cdn.jsdelivr.net/npm/tiktoken@1.0.10/encoders/cl100k_base.json) | `null` |
28| `PUBLIC_TIKTOKEN_BG_WASM_URL` | CDN url for `tiktoken_bg.wasm`, such as [file at esm.sh](https://esm.sh/tiktoken/lite/tiktoken_bg.wasm) | `null` |
29
30## Contributing