Spaces:
Paused
Paused
Create Cloudflare
Browse files- Cloudflare +894 -0
Cloudflare
ADDED
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@@ -0,0 +1,894 @@
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| 1 |
+
// Cloudflare Workers 环境不需要像 Deno 那样通过 URL 导入模块
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| 2 |
+
// Web 标准 API (fetch, Request, Response, WebSocket, URL) 是全局可用的。
|
| 3 |
+
// axios 和 qs 不需要了,我们将使用 fetch API。
|
| 4 |
+
// express 不使用了,我们将手动进行路由或使用轻量级路由库。
|
| 5 |
+
|
| 6 |
+
function uuidv4() {
|
| 7 |
+
// 生成16个随机字节(128位)
|
| 8 |
+
const bytes = new Uint8Array(16);
|
| 9 |
+
crypto.getRandomValues(bytes); // 在 Workers 中使用 Web Crypto API 获取更好的随机性
|
| 10 |
+
|
| 11 |
+
// 按照 UUID v4 标准格式设置特定位
|
| 12 |
+
bytes[6] = (bytes[6] & 0x0f) | 0x40; // 0100xxxx: version 4
|
| 13 |
+
bytes[8] = (bytes[8] & 0x3f) | 0x80; // 10xxxxxx: variant
|
| 14 |
+
|
| 15 |
+
// 转换成 8-4-4-4-12 的 hex 格式
|
| 16 |
+
const hex = [...bytes].map(b => b.toString(16).padStart(2, '0'));
|
| 17 |
+
|
| 18 |
+
return (
|
| 19 |
+
hex.slice(0, 4).join('') + '-' +
|
| 20 |
+
hex.slice(4, 6).join('') + '-' +
|
| 21 |
+
hex.slice(6, 8).join('') + '-' +
|
| 22 |
+
hex.slice(8, 10).join('') + '-' +
|
| 23 |
+
hex.slice(10, 16).join('')
|
| 24 |
+
);
|
| 25 |
+
}
|
| 26 |
+
|
| 27 |
+
|
| 28 |
+
async function fetchApi(url, options = {}) {
|
| 29 |
+
const response = await fetch(url, options);
|
| 30 |
+
|
| 31 |
+
if (!response.ok) {
|
| 32 |
+
// 尝试读取错误响应体
|
| 33 |
+
let errorBody = '未知错误';
|
| 34 |
+
try {
|
| 35 |
+
errorBody = await response.text(); // 使用 text() 因为响应体可能不是 JSON
|
| 36 |
+
} catch (e) {
|
| 37 |
+
console.error('读取错误响应体失败:', e);
|
| 38 |
+
}
|
| 39 |
+
throw new Error(`HTTP error! status: ${response.status}, url: ${url}, body: ${errorBody}`);
|
| 40 |
+
}
|
| 41 |
+
|
| 42 |
+
try {
|
| 43 |
+
// PromptLayer API 通常返回带有 'success' 标志的 JSON
|
| 44 |
+
const data = await response.json();
|
| 45 |
+
if (data.success === false) {
|
| 46 |
+
throw new Error(`PromptLayer API 错误: ${data.message || JSON.stringify(data)}`);
|
| 47 |
+
}
|
| 48 |
+
return data;
|
| 49 |
+
} catch (e) {
|
| 50 |
+
// 处理响应不是 JSON 或 JSON 解析失败的情况
|
| 51 |
+
if (e instanceof SyntaxError) {
|
| 52 |
+
console.error('解析 JSON 响应失败:', await response.text());
|
| 53 |
+
throw new Error(`从 ${url} 接收到无效的 JSON 响应`);
|
| 54 |
+
}
|
| 55 |
+
// 重新抛出 PromptLayer API 特定错误或其他错误
|
| 56 |
+
throw e;
|
| 57 |
+
}
|
| 58 |
+
}
|
| 59 |
+
|
| 60 |
+
|
| 61 |
+
async function fetchTokenDetails(authToken) {
|
| 62 |
+
const url = 'https://api.promptlayer.com/ws-token-request';
|
| 63 |
+
const headers = { Authorization: "Bearer " + authToken };
|
| 64 |
+
|
| 65 |
+
const data = await fetchApi(url, {
|
| 66 |
+
method: 'POST',
|
| 67 |
+
headers: headers,
|
| 68 |
+
// Promptlayer 可能期望有一个请求体,即使是 null。
|
| 69 |
+
// 根据原始 axios 代码发送 null 请求体。
|
| 70 |
+
body: null
|
| 71 |
+
});
|
| 72 |
+
|
| 73 |
+
const access_token = data.token_details.token;
|
| 74 |
+
const clientId = data.token_details.clientId;
|
| 75 |
+
return { access_token, clientId };
|
| 76 |
+
}
|
| 77 |
+
|
| 78 |
+
/**
|
| 79 |
+
* 获取 workspace id
|
| 80 |
+
*/
|
| 81 |
+
async function fetchWorkspaceId(authToken) {
|
| 82 |
+
const url = 'https://api.promptlayer.com/workspaces';
|
| 83 |
+
const headers = { Authorization: "Bearer " + authToken };
|
| 84 |
+
|
| 85 |
+
const data = await fetchApi(url, { headers: headers });
|
| 86 |
+
|
| 87 |
+
if (data.workspaces && data.workspaces.length > 0) {
|
| 88 |
+
const workspaceId = data.workspaces[0].id;
|
| 89 |
+
return { workspaceId };
|
| 90 |
+
} else {
|
| 91 |
+
throw new Error('获取 workspace id 失败或未找到 workspaces');
|
| 92 |
+
}
|
| 93 |
+
}
|
| 94 |
+
|
| 95 |
+
|
| 96 |
+
function transformMessagesArray(messages) {
|
| 97 |
+
if (!Array.isArray(messages)) {
|
| 98 |
+
// 返回默认结构或抛出错误,取决于期望的行为
|
| 99 |
+
// 抛出错误更能指示输入无效
|
| 100 |
+
throw new Error("输入的消息必须是数组");
|
| 101 |
+
}
|
| 102 |
+
|
| 103 |
+
return messages.map(msg => {
|
| 104 |
+
// 确保内容被视为文本进行转换
|
| 105 |
+
const textContent = typeof msg.content === 'string' ? msg.content : JSON.stringify(msg.content);
|
| 106 |
+
|
| 107 |
+
return {
|
| 108 |
+
role: msg.role,
|
| 109 |
+
content: [
|
| 110 |
+
{
|
| 111 |
+
type: "text",
|
| 112 |
+
text: textContent // 确保是 text 类型
|
| 113 |
+
}
|
| 114 |
+
],
|
| 115 |
+
tool_calls: [], // 根据原始代码,假设 tool_calls 应为空数组
|
| 116 |
+
template_format: "f-string" // 假设这是静态值
|
| 117 |
+
};
|
| 118 |
+
});
|
| 119 |
+
}
|
| 120 |
+
|
| 121 |
+
async function login(username, password) {
|
| 122 |
+
const url = 'https://api.promptlayer.com/login';
|
| 123 |
+
const headers = {
|
| 124 |
+
"Content-Type": "application/json", // fetch 需要为 JSON 请求体明确设置 Content-Type
|
| 125 |
+
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36 Edg/136.0.0.0"
|
| 126 |
+
};
|
| 127 |
+
const body = JSON.stringify({ "email": username, "password": password });
|
| 128 |
+
|
| 129 |
+
try {
|
| 130 |
+
// 登录接口通常不返回 response.data 中包含 'success' 标志,
|
| 131 |
+
// 成功时(状态码 200)通常直接返回 token。
|
| 132 |
+
// 需要区别于 fetchApi 辅助函数进行处理。
|
| 133 |
+
const response = await fetch(url, {
|
| 134 |
+
method: 'POST',
|
| 135 |
+
headers: headers,
|
| 136 |
+
body: body
|
| 137 |
+
});
|
| 138 |
+
|
| 139 |
+
if (!response.ok) {
|
| 140 |
+
let errorBody = '未知登录错误';
|
| 141 |
+
try {
|
| 142 |
+
errorBody = await response.text();
|
| 143 |
+
} catch (e) {}
|
| 144 |
+
console.error(`登录失败: ${response.status}, body: ${errorBody}`);
|
| 145 |
+
return { access_token: null, error: `登录失败: ${response.status}` };
|
| 146 |
+
}
|
| 147 |
+
|
| 148 |
+
const data = await response.json(); // 期望返回 { access_token: "..." }
|
| 149 |
+
if (data.access_token) {
|
| 150 |
+
return { access_token: data.access_token };
|
| 151 |
+
} else {
|
| 152 |
+
// 登录状态码成功但缺少 token?不寻常,按失败处理。
|
| 153 |
+
console.error('登录响应缺少 access_token:', data);
|
| 154 |
+
return { access_token: null, error: '登录响应缺少 token' };
|
| 155 |
+
}
|
| 156 |
+
|
| 157 |
+
} catch (e) {
|
| 158 |
+
console.error('登录 fetch 错误:', e);
|
| 159 |
+
return { access_token: null, error: '登录 fetch 错误' };
|
| 160 |
+
}
|
| 161 |
+
}
|
| 162 |
+
|
| 163 |
+
// 刷新playseesion
|
| 164 |
+
async function pysession(authToken, workspaceId, databody) {
|
| 165 |
+
const url = `https://api.promptlayer.com/api/dashboard/v2/workspaces/${workspaceId}/playground_sessions`;
|
| 166 |
+
const headers = {
|
| 167 |
+
Authorization: "Bearer " + authToken,
|
| 168 |
+
"Content-Type": "application/json"
|
| 169 |
+
};
|
| 170 |
+
|
| 171 |
+
let provider = "openai"
|
| 172 |
+
let model = "gpt-4o"
|
| 173 |
+
let parameters = {
|
| 174 |
+
"temperature": 1,
|
| 175 |
+
"seed": 0,
|
| 176 |
+
"response_format": null,
|
| 177 |
+
"top_p": 1,
|
| 178 |
+
"frequency_penalty": 0,
|
| 179 |
+
"presence_penalty": 0
|
| 180 |
+
}
|
| 181 |
+
|
| 182 |
+
// 模型映射逻辑保持不变
|
| 183 |
+
if (databody.model && typeof databody.model === 'string') {
|
| 184 |
+
const lowerModel = databody.model.toLowerCase();
|
| 185 |
+
if (lowerModel.includes("claude") && (lowerModel.includes("3.7") || lowerModel.includes("3-7"))) {
|
| 186 |
+
provider = "anthropic";
|
| 187 |
+
model = "claude-3-7-sonnet-latest";
|
| 188 |
+
parameters = {
|
| 189 |
+
"max_tokens": 64000,
|
| 190 |
+
"temperature": 1
|
| 191 |
+
};
|
| 192 |
+
} else if (lowerModel.includes("claude") && (lowerModel.includes("3.5") || lowerModel.includes("3-5"))) {
|
| 193 |
+
provider = "anthropic";
|
| 194 |
+
model = "claude-3-5-sonnet-latest";
|
| 195 |
+
parameters = {
|
| 196 |
+
"max_tokens": 256, // 注意:这个值很低,确认是否故意为之
|
| 197 |
+
"temperature": 1,
|
| 198 |
+
"top_k": 0,
|
| 199 |
+
"top_p": 0
|
| 200 |
+
};
|
| 201 |
+
} else if (lowerModel.includes("4.1")) {
|
| 202 |
+
model = "gpt-4.1"; // 假设这映射到特定的 PromptLayer 模型名
|
| 203 |
+
} else if (lowerModel.includes("4.5") || lowerModel.includes("4-5")) {
|
| 204 |
+
model = "gpt-4.5-preview"; // 假设这映射
|
| 205 |
+
} else if (lowerModel === "gpt-4o-search-preview") {
|
| 206 |
+
model = "gpt-4o-search-preview";
|
| 207 |
+
parameters = {
|
| 208 |
+
"response_format": null,
|
| 209 |
+
"web_search_options": {
|
| 210 |
+
"search_context_size": "medium",
|
| 211 |
+
"user_location": {
|
| 212 |
+
"approximate": {
|
| 213 |
+
"city": "New York", // 硬编码城市/国家 - 可能需要配置
|
| 214 |
+
"country": "US",
|
| 215 |
+
"region": "New York",
|
| 216 |
+
"timezone": "America/New_York"
|
| 217 |
+
},
|
| 218 |
+
"type": "approximate"
|
| 219 |
+
}
|
| 220 |
+
}
|
| 221 |
+
};
|
| 222 |
+
} else {
|
| 223 |
+
// 如果指定了模型但未明确映射,则使用请求的模型名
|
| 224 |
+
model = databody.model;
|
| 225 |
+
}
|
| 226 |
+
}
|
| 227 |
+
// 否则:保留默认的 openai/gpt-4o
|
| 228 |
+
|
| 229 |
+
const body = JSON.stringify({
|
| 230 |
+
"id": uuidv4(),
|
| 231 |
+
"name": "Not implemented", // 更改名称
|
| 232 |
+
"prompt_blueprint": {
|
| 233 |
+
"inference_client_name": null, // 保持 null
|
| 234 |
+
"metadata": {
|
| 235 |
+
"model": {
|
| 236 |
+
"name": model,
|
| 237 |
+
"provider": provider,
|
| 238 |
+
"parameters": parameters
|
| 239 |
+
}
|
| 240 |
+
},
|
| 241 |
+
"prompt_template": {
|
| 242 |
+
"type": "chat",
|
| 243 |
+
"messages": transformMessagesArray(databody.messages),
|
| 244 |
+
"tools": null,
|
| 245 |
+
"input_variables": [],
|
| 246 |
+
"functions": []
|
| 247 |
+
},
|
| 248 |
+
"provider_base_url_name": null
|
| 249 |
+
},
|
| 250 |
+
"input_variables": []
|
| 251 |
+
});
|
| 252 |
+
|
| 253 |
+
const data = await fetchApi(url, {
|
| 254 |
+
method: 'PUT', // 原始代码使用 PUT
|
| 255 |
+
headers: headers,
|
| 256 |
+
body: body
|
| 257 |
+
});
|
| 258 |
+
|
| 259 |
+
return data.playground_session.id; // 该接口似乎返回 success 和 playground_session.id
|
| 260 |
+
}
|
| 261 |
+
|
| 262 |
+
|
| 263 |
+
async function postmessage(authToken, workspaceId, playground_sessions, databody) {
|
| 264 |
+
const url = `https://api.promptlayer.com/api/dashboard/v2/workspaces/${workspaceId}/run_groups`;
|
| 265 |
+
const headers = {
|
| 266 |
+
Authorization: "Bearer " + authToken,
|
| 267 |
+
"Content-Type": "application/json"
|
| 268 |
+
};
|
| 269 |
+
|
| 270 |
+
let provider = "openai"
|
| 271 |
+
let model = "gpt-4o"
|
| 272 |
+
let parameters = {
|
| 273 |
+
"temperature": 1,
|
| 274 |
+
"seed": 0,
|
| 275 |
+
"response_format": null,
|
| 276 |
+
"top_p": 1,
|
| 277 |
+
"frequency_penalty": 0,
|
| 278 |
+
"presence_penalty": 0
|
| 279 |
+
}
|
| 280 |
+
|
| 281 |
+
// 模型映射逻辑保持不变(与 pysession 重复,考虑重构)
|
| 282 |
+
if (databody.model && typeof databody.model === 'string') {
|
| 283 |
+
const lowerModel = databody.model.toLowerCase();
|
| 284 |
+
if (lowerModel.includes("claude") && (lowerModel.includes("3.7") || lowerModel.includes("3-7"))) {
|
| 285 |
+
provider = "anthropic";
|
| 286 |
+
model = "claude-3-7-sonnet-latest";
|
| 287 |
+
parameters = {
|
| 288 |
+
"max_tokens": 64000,
|
| 289 |
+
"temperature": 1
|
| 290 |
+
};
|
| 291 |
+
} else if (lowerModel.includes("claude") && (lowerModel.includes("3.5") || lowerModel.includes("3-5"))) {
|
| 292 |
+
provider = "anthropic";
|
| 293 |
+
model = "claude-3-5-sonnet-latest";
|
| 294 |
+
parameters = {
|
| 295 |
+
"max_tokens": 256, // 注意:这个值很低,确认是否故意为之
|
| 296 |
+
"temperature": 1,
|
| 297 |
+
"top_k": 0,
|
| 298 |
+
"top_p": 0
|
| 299 |
+
};
|
| 300 |
+
} else if (lowerModel.includes("4.1")) {
|
| 301 |
+
model = "gpt-4.1"; // 假设这映射到特定的 PromptLayer 模型名
|
| 302 |
+
} else if (lowerModel.includes("4.5") || lowerModel.includes("4-5")) {
|
| 303 |
+
model = "gpt-4.5-preview"; // 假设这映射
|
| 304 |
+
} else if (lowerModel === "gpt-4o-search-preview") {
|
| 305 |
+
model = "gpt-4o-search-preview";
|
| 306 |
+
parameters = {
|
| 307 |
+
"response_format": null,
|
| 308 |
+
"web_search_options": {
|
| 309 |
+
"search_context_size": "medium",
|
| 310 |
+
"user_location": {
|
| 311 |
+
"approximate": {
|
| 312 |
+
"city": "New York", // 硬编码城市/国家 - 可能需要配置
|
| 313 |
+
"country": "US",
|
| 314 |
+
"region": "New York",
|
| 315 |
+
"timezone": "America/New_York"
|
| 316 |
+
},
|
| 317 |
+
"type": "approximate"
|
| 318 |
+
}
|
| 319 |
+
}
|
| 320 |
+
};
|
| 321 |
+
} else {
|
| 322 |
+
model = databody.model; // 使用请求的模型名
|
| 323 |
+
}
|
| 324 |
+
}
|
| 325 |
+
// 否则:保留默认的 openai/gpt-4o
|
| 326 |
+
|
| 327 |
+
const body = JSON.stringify({
|
| 328 |
+
"id": uuidv4(),
|
| 329 |
+
"playground_session_id": playground_sessions,
|
| 330 |
+
"shared_prompt_blueprint": {
|
| 331 |
+
"inference_client_name": null,
|
| 332 |
+
"metadata": {
|
| 333 |
+
"model": {
|
| 334 |
+
"name": model,
|
| 335 |
+
"provider": provider,
|
| 336 |
+
"parameters": parameters
|
| 337 |
+
}
|
| 338 |
+
},
|
| 339 |
+
"prompt_template": {
|
| 340 |
+
"type": "chat",
|
| 341 |
+
"messages": transformMessagesArray(databody.messages),
|
| 342 |
+
"tools": null,
|
| 343 |
+
"input_variables": [],
|
| 344 |
+
"functions": []
|
| 345 |
+
},
|
| 346 |
+
"provider_base_url_name": null
|
| 347 |
+
},
|
| 348 |
+
"individual_run_requests": [
|
| 349 |
+
{
|
| 350 |
+
"input_variables": {},
|
| 351 |
+
"run_group_position": 1
|
| 352 |
+
}
|
| 353 |
+
]
|
| 354 |
+
});
|
| 355 |
+
|
| 356 |
+
const data = await fetchApi(url, {
|
| 357 |
+
method: 'POST',
|
| 358 |
+
headers: headers,
|
| 359 |
+
body: body
|
| 360 |
+
});
|
| 361 |
+
|
| 362 |
+
return data.run_group.individual_run_requests[0].id; // 接口返回 run_group 包含 requests
|
| 363 |
+
}
|
| 364 |
+
|
| 365 |
+
function isJsonString(str) {
|
| 366 |
+
try {
|
| 367 |
+
const parsed = JSON.parse(str);
|
| 368 |
+
return typeof parsed === 'object' && parsed !== null;
|
| 369 |
+
} catch (e) {
|
| 370 |
+
return false;
|
| 371 |
+
}
|
| 372 |
+
}
|
| 373 |
+
|
| 374 |
+
function findDifference(str1, str2) {
|
| 375 |
+
if (str2.startsWith(str1)) {
|
| 376 |
+
return str2.slice(str1.length);
|
| 377 |
+
} else {
|
| 378 |
+
// 这种情况可能表明块处理有问题,或者消息乱序。
|
| 379 |
+
// 如果 str2 不以 str1 开头,返回空字符串意味着跳过不匹配的块。
|
| 380 |
+
// 考虑在这里记录警告或错误。
|
| 381 |
+
console.warn("findDifference: str2 不以 str1 开头。潜在的块不匹配问题。");
|
| 382 |
+
return "";
|
| 383 |
+
}
|
| 384 |
+
}
|
| 385 |
+
|
| 386 |
+
function normalizeMessages(messages) {
|
| 387 |
+
if (!Array.isArray(messages)) {
|
| 388 |
+
// 优雅地处理非数组输入,可能返回空数组
|
| 389 |
+
console.warn("normalizeMessages 接收到非数组输入:", messages);
|
| 390 |
+
return [];
|
| 391 |
+
}
|
| 392 |
+
|
| 393 |
+
return messages.map((message) => {
|
| 394 |
+
// 确保消息结构符合预期或进行规范化
|
| 395 |
+
if (message && typeof message === 'object') {
|
| 396 |
+
if (Array.isArray(message.content)) {
|
| 397 |
+
// 如果 content 是数组,提取 type="text" 的文本部分
|
| 398 |
+
const textContent = message.content
|
| 399 |
+
.filter((item) => item && typeof item === 'object' && item.type === "text")
|
| 400 |
+
.map((item) => item.text)
|
| 401 |
+
.join(" "); // 连接多个文本块(如果存在)
|
| 402 |
+
|
| 403 |
+
// 返回包含原始属性 + 扁平化 content 的对象
|
| 404 |
+
return {
|
| 405 |
+
...message,
|
| 406 |
+
content: textContent || "" // 确保 content 是字符串,如果没有找到文本部分则默认为空字符串
|
| 407 |
+
};
|
| 408 |
+
}
|
| 409 |
+
// 如果 content 已经是字符串,或不是数组,则按原样返回(确保是字符串)
|
| 410 |
+
return {
|
| 411 |
+
...message,
|
| 412 |
+
content: typeof message.content === 'string' ? message.content : JSON.stringify(message.content) // 确保 content 是字符串
|
| 413 |
+
};
|
| 414 |
+
}
|
| 415 |
+
// 处理输入数组中的非对象元素
|
| 416 |
+
console.warn("normalizeMessages 在数组中发现非对象项:", message);
|
| 417 |
+
return { // 为无效项返回默认结构
|
| 418 |
+
role: "user", // 默认角色,根据需要调整
|
| 419 |
+
content: typeof message === 'string' ? message : JSON.stringify(message) // 将项表示为字符串内容
|
| 420 |
+
};
|
| 421 |
+
});
|
| 422 |
+
}
|
| 423 |
+
|
| 424 |
+
|
| 425 |
+
// 新增的 /v1/models 接口处理函数
|
| 426 |
+
async function handleModels(request, corsHeaders) {
|
| 427 |
+
|
| 428 |
+
// const models = [
|
| 429 |
+
// "claude-3-5-sonnet-20240620",
|
| 430 |
+
// "claude-3-7-sonnet-20250219",
|
| 431 |
+
// "claude-3-5-sonnet-20241022",
|
| 432 |
+
// "gpt-4o",
|
| 433 |
+
// "gpt-4.1", // Assuming this exists based on your original code
|
| 434 |
+
// "gpt-4.1-2025-04-14", // Assuming this exists
|
| 435 |
+
// "gpt-4.5-preview-2025-02-27", // Assuming this exists
|
| 436 |
+
// "gpt-4o-search-preview"
|
| 437 |
+
// ];
|
| 438 |
+
|
| 439 |
+
// const result = models.map((id) => {
|
| 440 |
+
// return {
|
| 441 |
+
// id,
|
| 442 |
+
// object: "model",
|
| 443 |
+
// created: 1626777600, // Example timestamp, replace if needed
|
| 444 |
+
// owned_by: "custom",
|
| 445 |
+
// root: id.startsWith("claude") ? "anthropic" : "openai" // Determine provider based on ID
|
| 446 |
+
// };
|
| 447 |
+
// });
|
| 448 |
+
|
| 449 |
+
// // Use Response.json() is convenient
|
| 450 |
+
// return Response.json({ data: result, success: true }, { headers: corsHeaders });
|
| 451 |
+
|
| 452 |
+
let access = await getAuthToken(request, corsHeaders);
|
| 453 |
+
if(typeof access != "string"){
|
| 454 |
+
return access;
|
| 455 |
+
}
|
| 456 |
+
|
| 457 |
+
if (access === "") {
|
| 458 |
+
// 使用 Workers 的 Response.json 构建错误响应
|
| 459 |
+
return Response.json(
|
| 460 |
+
{ error: "Unauthorized: Missing or invalid Bearer token" },
|
| 461 |
+
{ status: 401, headers: corsHeaders } // 包含 CORS 头
|
| 462 |
+
);
|
| 463 |
+
}
|
| 464 |
+
|
| 465 |
+
try {
|
| 466 |
+
// 使用已有的 fetchWorkspaceId 辅助函数
|
| 467 |
+
const { workspaceId } = await fetchWorkspaceId(access);
|
| 468 |
+
|
| 469 |
+
const url = `https://api.promptlayer.com/api/dashboard/v2/workspaces/${workspaceId}/model-configs`;
|
| 470 |
+
const headers = { Authorization: `Bearer ${access}` };
|
| 471 |
+
|
| 472 |
+
// 使用 fetchApi 辅助函数替代 axios.get
|
| 473 |
+
// fetchApi 已经处理了 response.ok 和 data.success 的检查
|
| 474 |
+
const promptLayerData = await fetchApi(url, { headers: headers });
|
| 475 |
+
|
| 476 |
+
// promptLayerData 已经是解析后的 JSON 数据,并且 success: true
|
| 477 |
+
const openAIModels = [];
|
| 478 |
+
// 检查 promptLayerData.results 是否存在且为数组
|
| 479 |
+
if (Array.isArray(promptLayerData.results)) {
|
| 480 |
+
promptLayerData.results.forEach(provider => {
|
| 481 |
+
// 检查 provider.model_configs 是否存在且为数组
|
| 482 |
+
if (provider && Array.isArray(provider.model_configs)) {
|
| 483 |
+
provider.model_configs.forEach(modelConfig => {
|
| 484 |
+
// 检查 modelConfig 是否有必需的字段
|
| 485 |
+
if (modelConfig && typeof modelConfig.llm_model_name === 'string') {
|
| 486 |
+
openAIModels.push({
|
| 487 |
+
id: modelConfig.llm_model_name,
|
| 488 |
+
object: "model",
|
| 489 |
+
// 确保 created_at 存在且是有效日期字符串
|
| 490 |
+
created: modelConfig.created_at ? Math.floor(new Date(modelConfig.created_at).getTime() / 1000) : 0, // 将毫秒转换为秒,无效日期返回 0
|
| 491 |
+
owned_by: provider.provider_name || "unknown", // 提供商名称,如果没有则用 unknown
|
| 492 |
+
// 可以根据需要添加其他字段
|
| 493 |
+
});
|
| 494 |
+
} else {
|
| 495 |
+
console.warn("Skipping invalid modelConfig:", modelConfig);
|
| 496 |
+
}
|
| 497 |
+
});
|
| 498 |
+
} else {
|
| 499 |
+
console.warn("Skipping provider with invalid model_configs:", provider);
|
| 500 |
+
}
|
| 501 |
+
});
|
| 502 |
+
} else {
|
| 503 |
+
console.warn("PromptLayer model-configs response missing or invalid 'results' array:", promptLayerData);
|
| 504 |
+
// 如果 results 格式不正确,仍视为成功但模型列表为空
|
| 505 |
+
}
|
| 506 |
+
|
| 507 |
+
|
| 508 |
+
// 使用 Workers 的 Response.json 构建成功响应
|
| 509 |
+
return Response.json(
|
| 510 |
+
{
|
| 511 |
+
object: "list",
|
| 512 |
+
data: openAIModels
|
| 513 |
+
},
|
| 514 |
+
{ headers: corsHeaders } // 包含 CORS 头
|
| 515 |
+
);
|
| 516 |
+
|
| 517 |
+
} catch (error) {
|
| 518 |
+
console.error("获取模型列表错误:", error.message);
|
| 519 |
+
|
| 520 |
+
// 根据错误类型返回不同的状态码和信息
|
| 521 |
+
let status = 500;
|
| 522 |
+
let errorMessage = `Internal Server Error: ${error.message}`;
|
| 523 |
+
|
| 524 |
+
if (error.message.includes('Failed to get workspace id') || error.message.includes('Failed to get workspace id or no workspaces found')) {
|
| 525 |
+
status = 403; // 通常表示认证成功但无权访问工作区
|
| 526 |
+
errorMessage = `Forbidden: ${error.message}`;
|
| 527 |
+
} else if (error.message.includes('HTTP error! status: 401')) {
|
| 528 |
+
status = 401; // 如果 fetchApi 报告了 401
|
| 529 |
+
errorMessage = `Unauthorized: PromptLayer API returned 401`;
|
| 530 |
+
} else if (error.message.includes('HTTP error!')) {
|
| 531 |
+
status = parseInt(error.message.match(/status: (\d+)/)?.[1] || 500); // 尝试从错误消息提取状态码
|
| 532 |
+
errorMessage = `PromptLayer API Error: ${error.message}`;
|
| 533 |
+
} else if (error.message.includes('PromptLayer API error:')) {
|
| 534 |
+
status = 500; // PromptLayer API 报告的逻辑错误
|
| 535 |
+
errorMessage = error.message;
|
| 536 |
+
}
|
| 537 |
+
|
| 538 |
+
// 使用 Workers 的 Response.json 构建错误响应
|
| 539 |
+
return Response.json(
|
| 540 |
+
{ error: errorMessage },
|
| 541 |
+
{ status: status, headers: corsHeaders } // 包含 CORS 头
|
| 542 |
+
);
|
| 543 |
+
}
|
| 544 |
+
}
|
| 545 |
+
|
| 546 |
+
async function getAuthToken(request, corsHeaders){
|
| 547 |
+
// const username = env.PROMPTLAYER_USERNAME; // 确保在 Worker 设置中绑定 Secrets
|
| 548 |
+
// const password = env.PROMPTLAYER_PASSWORD;
|
| 549 |
+
let access = "";
|
| 550 |
+
let authHeader = request.headers.get('Authorization');
|
| 551 |
+
if (authHeader && authHeader.startsWith("Bearer")) {
|
| 552 |
+
access = authHeader.split("Bearer ")[1];
|
| 553 |
+
}
|
| 554 |
+
if(access == "") {
|
| 555 |
+
return
|
| 556 |
+
}
|
| 557 |
+
let username = access.split("-")[0];
|
| 558 |
+
let password = access.split("-")[1];
|
| 559 |
+
const loginResult = await login(username, password);
|
| 560 |
+
if (loginResult.access_token) {
|
| 561 |
+
access = loginResult.access_token;
|
| 562 |
+
} else {
|
| 563 |
+
console.error("登录失败:", loginResult.error);
|
| 564 |
+
return Response.json({ code: 1, msg: '登录失败', error: loginResult.error }, { status: 401, headers: corsHeaders });
|
| 565 |
+
}
|
| 566 |
+
|
| 567 |
+
if (!access) {
|
| 568 |
+
// 如果登录失败,应该已经在上面返回了,但这作为一个备用检查
|
| 569 |
+
return Response.json({ code: 1, msg: '认证失败', error: '认证失败' }, { status: 401, headers: corsHeaders });
|
| 570 |
+
}
|
| 571 |
+
return access;
|
| 572 |
+
}
|
| 573 |
+
|
| 574 |
+
|
| 575 |
+
async function handleChatCompletions(request, ctx, corsHeaders) {
|
| 576 |
+
let databody;
|
| 577 |
+
try {
|
| 578 |
+
// 限制请求体大小,Workers 默认有上限(如 128MB)
|
| 579 |
+
// 如果需要更大的上限,可能需要考虑不同的处理方式或升级计划
|
| 580 |
+
// 原始代码中的 limit: "50mb" 在 Workers 中通常由平台控制
|
| 581 |
+
databody = await request.json();
|
| 582 |
+
// 验证 databody 和 messages 的基本结构
|
| 583 |
+
if (!databody || !Array.isArray(databody.messages)) {
|
| 584 |
+
throw new Error("无效的请求体格式");
|
| 585 |
+
}
|
| 586 |
+
databody.messages = normalizeMessages(databody.messages);
|
| 587 |
+
} catch (e) {
|
| 588 |
+
console.error("解析请求体错误:", e);
|
| 589 |
+
return Response.json({ code: 1, msg: '无效的 JSON 或请求体格式', error: e.message }, { status: 400, headers: corsHeaders });
|
| 590 |
+
}
|
| 591 |
+
|
| 592 |
+
let access = await getAuthToken(request, corsHeaders);
|
| 593 |
+
if(typeof access != "string"){
|
| 594 |
+
return access;
|
| 595 |
+
}
|
| 596 |
+
|
| 597 |
+
let tokenResult, workspaceResult;
|
| 598 |
+
try {
|
| 599 |
+
[tokenResult, workspaceResult] = await Promise.all([
|
| 600 |
+
fetchTokenDetails(access),
|
| 601 |
+
fetchWorkspaceId(access)
|
| 602 |
+
]);
|
| 603 |
+
} catch (e) {
|
| 604 |
+
console.error("获取 token/workspace 错误:", e);
|
| 605 |
+
return Response.json({ code: 2, msg: '初始化会话失败', error: e.message }, { status: 500, headers: corsHeaders });
|
| 606 |
+
}
|
| 607 |
+
|
| 608 |
+
const { access_token, clientId } = tokenResult;
|
| 609 |
+
const { workspaceId } = workspaceResult;
|
| 610 |
+
|
| 611 |
+
let playground_sessions;
|
| 612 |
+
try {
|
| 613 |
+
playground_sessions = await pysession(access, workspaceId, databody);
|
| 614 |
+
if (playground_sessions === -1) { // 检查 -1 返回值表示失败
|
| 615 |
+
throw new Error("调用 pysession 失败");
|
| 616 |
+
}
|
| 617 |
+
} catch (e) {
|
| 618 |
+
console.error("创建/刷新 playground session 错误:", e);
|
| 619 |
+
return Response.json({ code: 2, msg: '创建 playground session 失败', error: e.message }, { status: 500, headers: corsHeaders });
|
| 620 |
+
}
|
| 621 |
+
|
| 622 |
+
|
| 623 |
+
// --- WebSocket 处理和流式响应 ---
|
| 624 |
+
|
| 625 |
+
// 对于流式响应,我们需要创建一个流并将数据推入其中
|
| 626 |
+
const stream = new TransformStream();
|
| 627 |
+
const writer = stream.writable.getWriter();
|
| 628 |
+
const encoder = new TextEncoder();
|
| 629 |
+
|
| 630 |
+
// 构建 wss url
|
| 631 |
+
const wsUrl = `wss://realtime.ably.io/?access_token=${encodeURIComponent(access_token)}&clientId=${clientId}&format=json&heartbeats=true&v=3&agent=ably-js%2F2.0.2%20browser`;
|
| 632 |
+
// 创建 WebSocket 连接
|
| 633 |
+
const ws = new WebSocket(wsUrl);
|
| 634 |
+
|
| 635 |
+
let last = ""; // 跟踪上一个块用于计算差异
|
| 636 |
+
let nonstr = ""; // 为非流式响应累积内容
|
| 637 |
+
let requestId = null; // 存储请求 ID 用于过滤消息
|
| 638 |
+
|
| 639 |
+
// Promise,当 WebSocket 过程完成(关闭或出错)时 resolve
|
| 640 |
+
// 这是 event.waitUntil 所需要的
|
| 641 |
+
const wsComplete = new Promise((resolve, reject) => {
|
| 642 |
+
|
| 643 |
+
ws.onopen = async () => {
|
| 644 |
+
try {
|
| 645 |
+
// 在 WS 打开时发送初始 action
|
| 646 |
+
const sendAction = `{"action":10,"channel":"user:${clientId}","params":{"agent":"react-hooks/2.0.2"}}`;
|
| 647 |
+
ws.send(sendAction);
|
| 648 |
+
|
| 649 |
+
// 在 WS 打开后通过 HTTP 发送消息
|
| 650 |
+
requestId = await postmessage(access, workspaceId, playground_sessions, databody);
|
| 651 |
+
if (requestId === -1) { // 检查失败情况
|
| 652 |
+
throw new Error("调用 postmessage 失败");
|
| 653 |
+
}
|
| 654 |
+
// console.log("individual_run_request_id:" + requestId);
|
| 655 |
+
|
| 656 |
+
} catch (err) {
|
| 657 |
+
console.error("WS 打开或 postmessage 过程中发生错误:", err);
|
| 658 |
+
// reject promise 以指示失败,并让 waitUntil 完成
|
| 659 |
+
writer.abort(err).catch(() => {}); // 中止流写入器
|
| 660 |
+
ws.close(); // 尝试关闭 WS
|
| 661 |
+
reject(err); // reject promise
|
| 662 |
+
}
|
| 663 |
+
};
|
| 664 |
+
|
| 665 |
+
ws.onmessage = async (event) => {
|
| 666 |
+
try {
|
| 667 |
+
const data = event.data;
|
| 668 |
+
let msg;
|
| 669 |
+
// Ably 发送心跳消息是纯文本 'ping',忽略它们
|
| 670 |
+
if (typeof data !== 'string' || data === 'ping') {
|
| 671 |
+
return;
|
| 672 |
+
}
|
| 673 |
+
|
| 674 |
+
try {
|
| 675 |
+
msg = JSON.parse(data);
|
| 676 |
+
} catch (e) {
|
| 677 |
+
console.warn("接收到非 JSON 的 WS 消息:", data);
|
| 678 |
+
return; // 忽略不是 JSON 的消息
|
| 679 |
+
}
|
| 680 |
+
|
| 681 |
+
|
| 682 |
+
let firstMsg = msg?.messages?.[0];
|
| 683 |
+
|
| 684 |
+
// 根据从 postmessage 获取的特定 requestId 过滤消息
|
| 685 |
+
const messageRequestId = firstMsg?.data && typeof firstMsg.data === 'string' && isJsonString(firstMsg.data)
|
| 686 |
+
? JSON.parse(firstMsg.data).individual_run_request_id
|
| 687 |
+
: null;
|
| 688 |
+
|
| 689 |
+
// 只处理与当前请求相关的消息
|
| 690 |
+
if (requestId && messageRequestId !== requestId) {
|
| 691 |
+
// console.log(`忽略针对请求 ID ${messageRequestId} 的 WS 消息,期望 ${requestId}`);
|
| 692 |
+
return;
|
| 693 |
+
}
|
| 694 |
+
// 否则:如果 requestId 匹配或消息是 Ably 协议消息,继续处理
|
| 695 |
+
|
| 696 |
+
|
| 697 |
+
if (
|
| 698 |
+
firstMsg?.name === "UPDATE_LAST_MESSAGE" &&
|
| 699 |
+
typeof firstMsg.data === "string" &&
|
| 700 |
+
isJsonString(firstMsg.data)
|
| 701 |
+
) {
|
| 702 |
+
const messageData = JSON.parse(firstMsg.data);
|
| 703 |
+
// 确保 payload 和消息结构存在
|
| 704 |
+
if (messageData.payload?.message?.content?.[0]?.text !== undefined) {
|
| 705 |
+
const currentContent = messageData.payload.message.content[0].text;
|
| 706 |
+
const newChunk = findDifference(last, currentContent);
|
| 707 |
+
last = currentContent;
|
| 708 |
+
nonstr += newChunk; // 为非流式累积内容
|
| 709 |
+
|
| 710 |
+
if (databody.stream === true && newChunk.length > 0) {
|
| 711 |
+
// 将块以 Server-Sent Events 格式写入流
|
| 712 |
+
const sseChunk = `data: {"id":"chatcmpl-${uuidv4()}","object":"chat.completion.chunk","created":${Math.floor(Date.now() / 1000)},"model":"${databody.model || 'unknown-model'}","choices":[{"index":0,"delta":{"content":${JSON.stringify(newChunk)}},"logprobs":null,"finish_reason":null}]} \n\n`;
|
| 713 |
+
await writer.write(encoder.encode(sseChunk));
|
| 714 |
+
}
|
| 715 |
+
}
|
| 716 |
+
|
| 717 |
+
} else if (
|
| 718 |
+
firstMsg?.name === "INDIVIDUAL_RUN_COMPLETE" &&
|
| 719 |
+
typeof firstMsg.data === "string" &&
|
| 720 |
+
isJsonString(firstMsg.data)
|
| 721 |
+
){
|
| 722 |
+
// 确保这是针对我们特定请求的完成消息
|
| 723 |
+
const messageData = JSON.parse(firstMsg.data);
|
| 724 |
+
if (messageData.individual_run_request_id === requestId) {
|
| 725 |
+
|
| 726 |
+
if (databody.stream === true) { // 只在流式模式下发送结束信号
|
| 727 |
+
// 流式:发送最终块并结束流
|
| 728 |
+
const sseEnd = `data: {"id":"chatcmpl-${uuidv4()}","object":"chat.completion.chunk","model":"${databody.model || 'unknown-model'}","created":${Math.floor(Date.now() / 1000)},"choices":[{"index":0,"delta":{},"finish_reason":"stop"}]}\n\n`;
|
| 729 |
+
await writer.write(encoder.encode(sseEnd));
|
| 730 |
+
await writer.write(encoder.encode('data: [DONE]\n')); // SSE 结束信号
|
| 731 |
+
}
|
| 732 |
+
// 非流式模式下,内容已累积在 nonstr 中,将在 wsComplete Promise resolve 后返回最终 JSON 响应。
|
| 733 |
+
|
| 734 |
+
// 关闭流和 WebSocket
|
| 735 |
+
await writer.close(); // 关闭流写入器
|
| 736 |
+
ws.close(); // 显式关闭 WebSocket
|
| 737 |
+
}
|
| 738 |
+
|
| 739 |
+
} else if (msg.action === 0) {
|
| 740 |
+
// Ably 协议消息指示连接关闭
|
| 741 |
+
console.log("Ably WS 被服务器关闭 (action 0)");
|
| 742 |
+
// 清理流和 WS
|
| 743 |
+
await writer.close(); // 关闭流写入器
|
| 744 |
+
ws.close(); // 确保我们也关闭 WS
|
| 745 |
+
}
|
| 746 |
+
|
| 747 |
+
} catch (err) {
|
| 748 |
+
console.error("处理 WS 消息错误:", err);
|
| 749 |
+
// 在任何消息处理错误时,尝试中止流写入器并关闭 WebSocket
|
| 750 |
+
writer.abort(err).catch(() => {});
|
| 751 |
+
ws.close();
|
| 752 |
+
reject(err); // 在错误时 reject 主 promise
|
| 753 |
+
}
|
| 754 |
+
};
|
| 755 |
+
|
| 756 |
+
ws.onerror = (event) => {
|
| 757 |
+
const errorMsg = event.message || '未知 WebSocket 错误';
|
| 758 |
+
console.error("WebSocket 错误:", errorMsg, event);
|
| 759 |
+
// 在 WebSocket 错误时,中止流写入器并 reject 主 promise
|
| 760 |
+
writer.abort(new Error(`WebSocket 错误: ${errorMsg}`)).catch(() => {});
|
| 761 |
+
// ws.close() 可能在 onerror 后自动发生,但调用它没有坏处
|
| 762 |
+
reject(new Error(`WebSocket 错误: ${errorMsg}`));
|
| 763 |
+
};
|
| 764 |
+
|
| 765 |
+
ws.onclose = (event) => {
|
| 766 |
+
console.log(`WebSocket 已关闭: Code=${event.code}, Reason=${event.reason}, WasClean=${event.wasClean}`);
|
| 767 |
+
// 确保写入器已关闭/中止(如果尚未完成)
|
| 768 |
+
// 这对于 waitUntil 了解任务何时完成非常重要
|
| 769 |
+
if (!event.wasClean) {
|
| 770 |
+
// 如果不是干净关闭,中止流
|
| 771 |
+
writer.abort(new Error(`WebSocket 非干净关闭: Code=${event.code}, Reason=${event.reason}`)).catch(() => {});
|
| 772 |
+
reject(new Error(`WebSocket 非干净关闭: Code=${event.code}`));
|
| 773 |
+
} else {
|
| 774 |
+
// 如果是干净关闭,确保写入器已关闭(如果在 INDIVIDUAL_RUN_COMPLETE 时关闭了)
|
| 775 |
+
// 如果在完成之前以某种方式干净关闭,可能会有问题。
|
| 776 |
+
// 我们在这里 resolve 是假设干净关闭意味着过程已成功完成(或优雅地取消了)。
|
| 777 |
+
writer.close().catch(() => {});
|
| 778 |
+
resolve(); // 在干净关闭时 resolve 主 promise
|
| 779 |
+
}
|
| 780 |
+
};
|
| 781 |
+
});
|
| 782 |
+
|
| 783 |
+
|
| 784 |
+
// 将 WebSocket 过程添加到 waitUntil 中,以保持 Worker 活跃
|
| 785 |
+
ctx.waitUntil(wsComplete);
|
| 786 |
+
|
| 787 |
+
// 立即返回响应。
|
| 788 |
+
// 对于流式响应,此响应包含可读流。
|
| 789 |
+
// 对于非流式响应,流将接收所有块,然后关闭,最终的 JSON 响应将在流完成后
|
| 790 |
+
// 根据累积的 'nonstr' 变量构建。
|
| 791 |
+
// 这是一种使用单个 WS 交互处理流式和非流式响应的模式。
|
| 792 |
+
|
| 793 |
+
if (databody.stream === true) {
|
| 794 |
+
// 流式响应
|
| 795 |
+
return new Response(stream.readable, {
|
| 796 |
+
headers: {
|
| 797 |
+
'Content-Type': 'text/event-stream', // Server-Sent Events MIME 类型
|
| 798 |
+
'Cache-Control': 'no-cache',
|
| 799 |
+
'Connection': 'keep-alive',
|
| 800 |
+
...corsHeaders // 包含 CORS 头
|
| 801 |
+
},
|
| 802 |
+
});
|
| 803 |
+
} else {
|
| 804 |
+
// 非流式响应:累积数据,并在 WS 完成后发送最终 JSON
|
| 805 |
+
// 响应对象现在被创建并返回,但其响应体是异步填充的,
|
| 806 |
+
// 基于 'nonstr' 变量在 wsComplete promise resolve *之后*。这需要微调。
|
| 807 |
+
|
| 808 |
+
// 更好的非流式处理方法:在返回 Response 之前等待 wsComplete 完成,
|
| 809 |
+
// 然后构建并返回最终的 JSON 响应。
|
| 810 |
+
// 这简化了响应处理逻辑。
|
| 811 |
+
|
| 812 |
+
// 等待 WebSocket 过程完成
|
| 813 |
+
try {
|
| 814 |
+
await wsComplete;
|
| 815 |
+
|
| 816 |
+
// 构建最终的非流式 JSON 响应
|
| 817 |
+
return Response.json({
|
| 818 |
+
id: `chatcmpl-${uuidv4()}`, // 为最终完成生成新的 ID
|
| 819 |
+
object: "chat.completion",
|
| 820 |
+
created: Math.floor(Date.now() / 1000),
|
| 821 |
+
model: databody.model || 'unknown-model',
|
| 822 |
+
choices: [
|
| 823 |
+
{
|
| 824 |
+
index: 0,
|
| 825 |
+
message: {
|
| 826 |
+
role: "assistant",
|
| 827 |
+
content: nonstr, // 使用累积的内容
|
| 828 |
+
},
|
| 829 |
+
finish_reason: "stop", // 假设完成时是 'stop'
|
| 830 |
+
},
|
| 831 |
+
],
|
| 832 |
+
usage: { // 在这种代理设置中通常未知 Usage
|
| 833 |
+
prompt_tokens: 0,
|
| 834 |
+
completion_tokens: 0,
|
| 835 |
+
total_tokens: 0,
|
| 836 |
+
},
|
| 837 |
+
system_fingerprint: null, // 或尽可能派生
|
| 838 |
+
}, { headers: corsHeaders });
|
| 839 |
+
|
| 840 |
+
} catch (err) {
|
| 841 |
+
console.error("WebSocket 或非流式完成过程中发生错误:", err);
|
| 842 |
+
// 处理 WS 过程中的错误(对于非流式)
|
| 843 |
+
return Response.json({ code: 2, msg: '处理错误', error: err.message }, { status: 500, headers: corsHeaders });
|
| 844 |
+
}
|
| 845 |
+
}
|
| 846 |
+
}
|
| 847 |
+
|
| 848 |
+
|
| 849 |
+
export async function handleRequest(request, env, ctx) {
|
| 850 |
+
const url = new URL(request.url);
|
| 851 |
+
const { pathname } = url;
|
| 852 |
+
const method = request.method;
|
| 853 |
+
|
| 854 |
+
// 为所有响应设置 CORS 头
|
| 855 |
+
const corsHeaders = {
|
| 856 |
+
'Access-Control-Allow-Origin': '*', // 在生产环境中应更严格
|
| 857 |
+
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
|
| 858 |
+
'Access-Control-Allow-Headers': 'Content-Type, Authorization',
|
| 859 |
+
};
|
| 860 |
+
|
| 861 |
+
// 处理 CORS 预检请求
|
| 862 |
+
if (method === 'OPTIONS') {
|
| 863 |
+
return new Response(null, {
|
| 864 |
+
headers: {
|
| 865 |
+
...corsHeaders,
|
| 866 |
+
'Access-Control-Max-Age': '86400', // 缓存预检请求 24 小时
|
| 867 |
+
},
|
| 868 |
+
});
|
| 869 |
+
}
|
| 870 |
+
|
| 871 |
+
|
| 872 |
+
if (method === 'GET' && pathname === '/') {
|
| 873 |
+
// 简单的欢迎消息,等同于 app.get("/")
|
| 874 |
+
return new Response("https://linux.do/t/topic/663505", { headers: corsHeaders });
|
| 875 |
+
}
|
| 876 |
+
|
| 877 |
+
if (method === 'GET' && pathname === '/v1/models') {
|
| 878 |
+
return handleModels(request, corsHeaders);
|
| 879 |
+
}
|
| 880 |
+
|
| 881 |
+
if (method === 'POST' && pathname === '/v1/chat/completions') {
|
| 882 |
+
return handleChatCompletions(request, ctx, corsHeaders); // 传递 event 以使用 waitUntil
|
| 883 |
+
}
|
| 884 |
+
|
| 885 |
+
// 处理其他路径或方法
|
| 886 |
+
return new Response('未找到', { status: 404, headers: corsHeaders });
|
| 887 |
+
}
|
| 888 |
+
|
| 889 |
+
|
| 890 |
+
export default {
|
| 891 |
+
async fetch(request, env, ctx) {
|
| 892 |
+
return handleRequest(request, env, ctx);
|
| 893 |
+
},
|
| 894 |
+
};
|