File size: 7,294 Bytes
88c4c60 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | import { NextResponse } from "next/server";
// Fetch with timeout wrapper
const fetchWithTimeout = (url, options, timeout = 10000) => {
return Promise.race([
fetch(url, options),
new Promise((_, reject) =>
setTimeout(() => reject(new Error("Request timeout")), timeout)
)
]);
};
// Validate URL format
const isValidUrl = (url) => {
try {
new URL(url);
return true;
} catch {
return false;
}
};
// Parse error details for user-friendly messages
const getErrorMessage = (error) => {
if (error.cause?.code === "ECONNREFUSED") return "Connection refused - provider node offline or unreachable";
if (error.cause?.code === "ENOTFOUND") return "DNS lookup failed - invalid domain or network issue";
if (error.cause?.code === "ETIMEDOUT") return "Connection timeout - provider node too slow";
if (error.message.includes("timeout")) return "Request timeout (>10s) - provider node not responding";
if (error.cause?.code === "CERT_HAS_EXPIRED") return "SSL certificate expired";
if (error.cause?.code === "UNABLE_TO_VERIFY_LEAF_SIGNATURE") return "SSL certificate verification failed";
if (error.cause?.code) return `Network error: ${error.cause.code}`;
return "Network connection failed - check URL and network connectivity";
};
// Get status-specific error message for /models endpoint
const getModelsErrorMessage = (status) => {
if (status === 401 || status === 403) return "API key unauthorized";
if (status === 404) return "/models endpoint not found - try chat validation with model ID";
if (status >= 500) return "Server error - try again later";
return `Unexpected response (${status})`;
};
// Get status-specific error message for /chat/completions endpoint
const getChatErrorMessage = (status) => {
if (status === 401 || status === 403) return "API key unauthorized";
if (status === 400) return "Invalid model or bad request";
if (status === 404) return "Chat endpoint not found";
if (status >= 500) return "Server error - try again later";
return `Chat request failed (${status})`;
};
// POST /api/provider-nodes/validate - Validate API key against base URL
export async function POST(request) {
try {
const body = await request.json();
const { baseUrl, apiKey, type, modelId } = body;
if (!baseUrl || !apiKey) {
return NextResponse.json({ error: "Base URL and API key required" }, { status: 400 });
}
// Validate URL format
if (!isValidUrl(baseUrl)) {
return NextResponse.json({ error: "Invalid URL format" }, { status: 400 });
}
// Custom Embedding Validation - test POST /embeddings directly
if (type === "custom-embedding") {
const normalizedBase = baseUrl.trim().replace(/\/$/, "");
if (!modelId?.trim()) {
return NextResponse.json({ valid: false, error: "Model ID required for embedding validation" });
}
const embedRes = await fetchWithTimeout(`${normalizedBase}/embeddings`, {
method: "POST",
headers: {
"Authorization": `Bearer ${apiKey}`,
"Content-Type": "application/json"
},
body: JSON.stringify({ model: modelId.trim(), input: "ping" })
});
if (embedRes.ok) {
const data = await embedRes.json().catch(() => null);
const dims = Array.isArray(data?.data?.[0]?.embedding) ? data.data[0].embedding.length : null;
return NextResponse.json({ valid: true, method: "embeddings", dimensions: dims });
}
if (embedRes.status === 401 || embedRes.status === 403) {
return NextResponse.json({ valid: false, error: "API key unauthorized" });
}
const errBody = await embedRes.text().catch(() => "");
return NextResponse.json({
valid: false,
error: `Embeddings request failed (${embedRes.status})${errBody ? `: ${errBody.slice(0, 200)}` : ""}`,
method: "embeddings"
});
}
// Anthropic Compatible Validation
if (type === "anthropic-compatible") {
let normalizedBase = baseUrl.trim().replace(/\/$/, "");
if (normalizedBase.endsWith("/messages")) {
normalizedBase = normalizedBase.slice(0, -9);
}
const modelsUrl = `${normalizedBase}/models`;
const res = await fetchWithTimeout(modelsUrl, {
method: "GET",
headers: {
"x-api-key": apiKey,
"anthropic-version": "2023-06-01",
"Authorization": `Bearer ${apiKey}`
}
});
if (res.ok) return NextResponse.json({ valid: true });
// Auth errors - no point trying chat fallback
if (res.status === 401 || res.status === 403) {
return NextResponse.json({ valid: false, error: "API key unauthorized" });
}
// Fallback: try chat/completions if modelId provided
if (modelId) {
const chatRes = await fetchWithTimeout(`${normalizedBase}/chat/completions`, {
method: "POST",
headers: {
"Authorization": `Bearer ${apiKey}`,
"Content-Type": "application/json",
"x-api-key": apiKey,
"anthropic-version": "2023-06-01"
},
body: JSON.stringify({
model: modelId,
messages: [{ role: "user", content: "ping" }],
max_tokens: 1
})
});
if (chatRes.ok) {
return NextResponse.json({ valid: true, method: "chat" });
}
return NextResponse.json({
valid: false,
error: getChatErrorMessage(chatRes.status),
method: "chat"
});
}
return NextResponse.json({ valid: false, error: getModelsErrorMessage(res.status) });
}
// OpenAI Compatible Validation (Default)
const modelsUrl = `${baseUrl.replace(/\/$/, "")}/models`;
const res = await fetchWithTimeout(modelsUrl, {
headers: { "Authorization": `Bearer ${apiKey}` },
});
if (res.ok) return NextResponse.json({ valid: true });
// Auth errors - no point trying chat fallback
if (res.status === 401 || res.status === 403) {
return NextResponse.json({ valid: false, error: "API key unauthorized" });
}
// Fallback: try chat/completions if modelId provided
if (modelId) {
const chatRes = await fetchWithTimeout(`${baseUrl.replace(/\/$/, "")}/chat/completions`, {
method: "POST",
headers: {
"Authorization": `Bearer ${apiKey}`,
"Content-Type": "application/json"
},
body: JSON.stringify({
model: modelId,
messages: [{ role: "user", content: "ping" }],
max_tokens: 1
})
});
if (chatRes.ok) {
return NextResponse.json({ valid: true, method: "chat" });
}
return NextResponse.json({
valid: false,
error: getChatErrorMessage(chatRes.status),
method: "chat"
});
}
return NextResponse.json({ valid: false, error: getModelsErrorMessage(res.status) });
} catch (error) {
const errorMessage = getErrorMessage(error);
console.error("Error validating provider node:", {
message: error.message,
cause: error.cause,
code: error.cause?.code,
userMessage: errorMessage
});
return NextResponse.json({
valid: false,
error: errorMessage
}, { status: 500 });
}
}
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