tdpeuter/open-webui
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feat: openai compatible api support

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This commit is contained in:
Timothy J. Baek 2024-01-04 18:38:03 -08:00
parent 5e4dc98f44
commit 17c66fde0f
9 changed files with 260 additions and 85 deletions
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47
backend/apps/openai/main.py
View file

@ -1,6 +1,6 @@
from fastapi import FastAPI, Request, Response, HTTPException, Depends
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import StreamingResponse
from fastapi.responses import StreamingResponse, JSONResponse
import requests
import json
@ -69,18 +69,18 @@ async def update_openai_key(form_data: KeyUpdateForm, user=Depends(get_current_u
@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE"])
async def proxy(path: str, request: Request, user=Depends(get_current_user)):
target_url = f"{app.state.OPENAI_API_BASE_URL}/{path}"
body = await request.body()
headers = dict(request.headers)
print(target_url, app.state.OPENAI_API_KEY)
if user.role not in ["user", "admin"]:
raise HTTPException(status_code=401, detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
if app.state.OPENAI_API_KEY == "":
raise HTTPException(status_code=401, detail=ERROR_MESSAGES.API_KEY_NOT_FOUND)
headers.pop("Host", None)
headers.pop("Authorization", None)
headers.pop("Origin", None)
headers.pop("Referer", None)
body = await request.body()
# headers = dict(request.headers)
# print(headers)
headers = {}
headers["Authorization"] = f"Bearer {app.state.OPENAI_API_KEY}"
try:
@ -94,11 +94,32 @@ async def proxy(path: str, request: Request, user=Depends(get_current_user)):
r.raise_for_status()
return StreamingResponse(
r.iter_content(chunk_size=8192),
status_code=r.status_code,
headers=dict(r.headers),
)
# Check if response is SSE
if "text/event-stream" in r.headers.get("Content-Type", ""):
return StreamingResponse(
r.iter_content(chunk_size=8192),
status_code=r.status_code,
headers=dict(r.headers),
)
else:
# For non-SSE, read the response and return it
# response_data = (
# r.json()
# if r.headers.get("Content-Type", "")
# == "application/json"
# else r.text
# )
response_data = r.json()
print(type(response_data))
if "openai" in app.state.OPENAI_API_BASE_URL and path == "models":
response_data["data"] = list(
filter(lambda model: "gpt" in model["id"], response_data["data"])
)
return response_data
except Exception as e:
print(e)
error_detail = "Ollama WebUI: Server Connection Error"

5
backend/config.py
View file

@ -33,7 +33,10 @@ if ENV == "prod":
####################################
OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY", "")
OPENAI_API_BASE_URL = os.environ.get("OPENAI_API_BASE_URL", "https://api.openai.com/v1")
OPENAI_API_BASE_URL = os.environ.get("OPENAI_API_BASE_URL", "")
if OPENAI_API_BASE_URL == "":
OPENAI_API_BASE_URL = "https://api.openai.com/v1"
####################################
# WEBUI_VERSION

1
backend/constants.py
View file

@ -33,4 +33,5 @@ class ERROR_MESSAGES(str, Enum):
)
NOT_FOUND = "We could not find what you're looking for :/"
USER_NOT_FOUND = "We could not find what you're looking for :/"
API_KEY_NOT_FOUND = "Oops! It looks like there's a hiccup. The API key is missing. Please make sure to provide a valid API key to access this feature."
MALICIOUS = "Unusual activities detected, please try again in a few minutes."

4
backend/main.py
View file

@ -6,6 +6,8 @@ from fastapi.middleware.cors import CORSMiddleware
from starlette.exceptions import HTTPException as StarletteHTTPException
from apps.ollama.main import app as ollama_app
from apps.openai.main import app as openai_app
from apps.web.main import app as webui_app
import time
@ -46,7 +48,7 @@ async def check_url(request: Request, call_next):
app.mount("/api/v1", webui_app)
# app.mount("/ollama/api", WSGIMiddleware(ollama_app))
app.mount("/ollama/api", ollama_app)
app.mount("/openai/api", openai_app)
app.mount("/", SPAStaticFiles(directory="../build", html=True), name="spa-static-files")

12
example.env
View file

@ -1,12 +1,6 @@
# If you're serving both the frontend and backend (Recommended)
# Set the public API base URL for seamless communication
PUBLIC_API_BASE_URL='/ollama/api'
# If you're serving only the frontend (Not recommended and not fully supported)
# Comment above and Uncomment below
# You can use the default value or specify a custom path, e.g., '/api'
# PUBLIC_API_BASE_URL='http://{location.hostname}:11434/api'
# Ollama URL for the backend to connect
# The path '/ollama/api' will be redirected to the specified backend URL
OLLAMA_API_BASE_URL='http://localhost:11434/api'
OPENAI_API_BASE_URL=''
OPENAI_API_KEY=''

174
src/lib/apis/openai/index.ts
View file

@ -1,4 +1,176 @@
export const getOpenAIModels = async (
import { OPENAI_API_BASE_URL } from '$lib/constants';
export const getOpenAIUrl = async (token: string = '') => {
let error = null;
const res = await fetch(`${OPENAI_API_BASE_URL}/url`, {
method: 'GET',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
...(token && { authorization: `Bearer ${token}` })
}
})
.then(async (res) => {
if (!res.ok) throw await res.json();
return res.json();
})
.catch((err) => {
console.log(err);
if ('detail' in err) {
error = err.detail;
} else {
error = 'Server connection failed';
}
return null;
});
if (error) {
throw error;
}
return res.OPENAI_API_BASE_URL;
};
export const updateOpenAIUrl = async (token: string = '', url: string) => {
let error = null;
const res = await fetch(`${OPENAI_API_BASE_URL}/url/update`, {
method: 'POST',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
...(token && { authorization: `Bearer ${token}` })
},
body: JSON.stringify({
url: url
})
})
.then(async (res) => {
if (!res.ok) throw await res.json();
return res.json();
})
.catch((err) => {
console.log(err);
if ('detail' in err) {
error = err.detail;
} else {
error = 'Server connection failed';
}
return null;
});
if (error) {
throw error;
}
return res.OPENAI_API_BASE_URL;
};
export const getOpenAIKey = async (token: string = '') => {
let error = null;
const res = await fetch(`${OPENAI_API_BASE_URL}/key`, {
method: 'GET',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
...(token && { authorization: `Bearer ${token}` })
}
})
.then(async (res) => {
if (!res.ok) throw await res.json();
return res.json();
})
.catch((err) => {
console.log(err);
if ('detail' in err) {
error = err.detail;
} else {
error = 'Server connection failed';
}
return null;
});
if (error) {
throw error;
}
return res.OPENAI_API_KEY;
};
export const updateOpenAIKey = async (token: string = '', key: string) => {
let error = null;
const res = await fetch(`${OPENAI_API_BASE_URL}/key/update`, {
method: 'POST',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
...(token && { authorization: `Bearer ${token}` })
},
body: JSON.stringify({
key: key
})
})
.then(async (res) => {
if (!res.ok) throw await res.json();
return res.json();
})
.catch((err) => {
console.log(err);
if ('detail' in err) {
error = err.detail;
} else {
error = 'Server connection failed';
}
return null;
});
if (error) {
throw error;
}
return res.OPENAI_API_KEY;
};
export const getOpenAIModels = async (token: string = '') => {
let error = null;
const res = await fetch(`${OPENAI_API_BASE_URL}/models`, {
method: 'GET',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
...(token && { authorization: `Bearer ${token}` })
}
})
.then(async (res) => {
if (!res.ok) throw await res.json();
return res.json();
})
.catch((err) => {
console.log(err);
error = `OpenAI: ${err?.error?.message ?? 'Network Problem'}`;
return [];
});
if (error) {
throw error;
}
const models = Array.isArray(res) ? res : res?.data ?? null;
return models
? models
.map((model) => ({ name: model.id, external: true }))
.sort((a, b) => {
return a.name.localeCompare(b.name);
})
: models;
};
export const getOpenAIModelsDirect = async (
base_url: string = 'https://api.openai.com/v1',
api_key: string = ''
) => {

73
src/lib/components/chat/SettingsModal.svelte
View file

@ -24,6 +24,13 @@
import { updateUserPassword } from '$lib/apis/auths';
import { goto } from '$app/navigation';
import Page from '../../../routes/(app)/+page.svelte';
import {
getOpenAIKey,
getOpenAIModels,
getOpenAIUrl,
updateOpenAIKey,
updateOpenAIUrl
} from '$lib/apis/openai';
export let show = false;
@ -153,6 +160,13 @@
}
};
const updateOpenAIHandler = async () => {
OPENAI_API_BASE_URL = await updateOpenAIUrl(localStorage.token, OPENAI_API_BASE_URL);
OPENAI_API_KEY = await updateOpenAIKey(localStorage.token, OPENAI_API_KEY);
await models.set(await getModels());
};
const toggleTheme = async () => {
if (theme === 'dark') {
theme = 'light';
@ -484,7 +498,7 @@
};
const getModels = async (type = 'all') => {
let models = [];
const models = [];
models.push(
...(await getOllamaModels(localStorage.token).catch((error) => {
toast.error(error);
@ -493,43 +507,13 @@
);
// If OpenAI API Key exists
if (type === 'all' && $settings.OPENAI_API_KEY) {
const OPENAI_API_BASE_URL = $settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1';
if (type === 'all' && OPENAI_API_KEY) {
const openAIModels = await getOpenAIModels(localStorage.token).catch((error) => {
console.log(error);
return null;
});
// Validate OPENAI_API_KEY
const openaiModelRes = await fetch(`${OPENAI_API_BASE_URL}/models`, {
method: 'GET',
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer ${$settings.OPENAI_API_KEY}`
}
})
.then(async (res) => {
if (!res.ok) throw await res.json();
return res.json();
})
.catch((error) => {
console.log(error);
toast.error(`OpenAI: ${error?.error?.message ?? 'Network Problem'}`);
return null;
});
const openAIModels = Array.isArray(openaiModelRes)
? openaiModelRes
: openaiModelRes?.data ?? null;
models.push(
...(openAIModels
? [
{ name: 'hr' },
...openAIModels
.map((model) => ({ name: model.id, external: true }))
.filter((model) =>
OPENAI_API_BASE_URL.includes('openai') ? model.name.includes('gpt') : true
)
]
: [])
);
models.push(...(openAIModels ? [{ name: 'hr' }, ...openAIModels] : []));
}
return models;
@ -564,6 +548,8 @@
console.log('settings', $user.role === 'admin');
if ($user.role === 'admin') {
API_BASE_URL = await getOllamaAPIUrl(localStorage.token);
OPENAI_API_BASE_URL = await getOpenAIUrl(localStorage.token);
OPENAI_API_KEY = await getOpenAIKey(localStorage.token);
}
let settings = JSON.parse(localStorage.getItem('settings') ?? '{}');
@ -584,9 +570,6 @@
options = { ...options, ...settings.options };
options.stop = (settings?.options?.stop ?? []).join(',');
OPENAI_API_KEY = settings.OPENAI_API_KEY ?? '';
OPENAI_API_BASE_URL = settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1';
titleAutoGenerate = settings.titleAutoGenerate ?? true;
speechAutoSend = settings.speechAutoSend ?? false;
responseAutoCopy = settings.responseAutoCopy ?? false;
@ -1415,10 +1398,12 @@
<form
class="flex flex-col h-full justify-between space-y-3 text-sm"
on:submit|preventDefault={() => {
saveSettings({
OPENAI_API_KEY: OPENAI_API_KEY !== '' ? OPENAI_API_KEY : undefined,
OPENAI_API_BASE_URL: OPENAI_API_BASE_URL !== '' ? OPENAI_API_BASE_URL : undefined
});
updateOpenAIHandler();
// saveSettings({
// OPENAI_API_KEY: OPENAI_API_KEY !== '' ? OPENAI_API_KEY : undefined,
// OPENAI_API_BASE_URL: OPENAI_API_BASE_URL !== '' ? OPENAI_API_BASE_URL : undefined
// });
show = false;
}}
>

7
src/lib/constants.ts
View file

@ -1,11 +1,10 @@
import { dev } from '$app/environment';
export const OLLAMA_API_BASE_URL = dev
? `http://${location.hostname}:8080/ollama/api`
: '/ollama/api';
export const WEBUI_BASE_URL = dev ? `http://${location.hostname}:8080` : ``;
export const WEBUI_API_BASE_URL = `${WEBUI_BASE_URL}/api/v1`;
export const OLLAMA_API_BASE_URL = `${WEBUI_BASE_URL}/ollama/api`;
export const OPENAI_API_BASE_URL = `${WEBUI_BASE_URL}/openai/api`;
export const WEB_UI_VERSION = 'v1.0.0-alpha-static';

22
src/routes/(app)/+layout.svelte
View file

@ -37,19 +37,17 @@
return [];
}))
);
// If OpenAI API Key exists
if ($settings.OPENAI_API_KEY) {
const openAIModels = await getOpenAIModels(
$settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1',
$settings.OPENAI_API_KEY
).catch((error) => {
console.log(error);
toast.error(error);
return null;
});
models.push(...(openAIModels ? [{ name: 'hr' }, ...openAIModels] : []));
}
// $settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1',
// $settings.OPENAI_API_KEY
const openAIModels = await getOpenAIModels(localStorage.token).catch((error) => {
console.log(error);
return null;
});
models.push(...(openAIModels ? [{ name: 'hr' }, ...openAIModels] : []));
return models;
};