-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathworker.js
321 lines (289 loc) · 11 KB
/
worker.js
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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
const USER_DATA = self.USER_DATA;
const OPENAI_API_URL = 'https://api.openai.com/v1';
const FREE_GENERATION_LIMIT = 100;
const REGENERATION_LIMIT = 5;
console.log("Worker script initialized");
addEventListener('fetch', event => {
console.log("Fetch event received:", event.request.url);
event.respondWith(handleRequest(event.request));
});
function handleConnectivityCheckRequest(request) {
console.log("Processing connectivity check request");
return new Response(JSON.stringify({ status: 'online' }), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
async function handleRequest(request) {
console.log("Handling request:", request.url);
if (request.method === 'OPTIONS') {
console.log("Handling CORS preflight request");
return handleCORS(request);
}
const url = new URL(request.url);
if (url.pathname === '/api/chat') {
console.log("Handling chat request");
return handleChatRequest(request);
} else if (url.pathname === '/api/models') {
console.log("Handling models request");
return handleModelsRequest(request);
} else if (url.pathname === '/api/limits') {
console.log("Handling limits request");
return handleLimitsRequest(request);
} else if (url.pathname.startsWith('/api/user-data')) {
console.log("Handling user data request");
return handleUserDataRequest(request);
} else if (url.pathname === '/api/generate-flashcard') {
console.log("Handling generate flashcard request");
return handleGenerateFlashcardRequest(request);
} else if (url.pathname === '/api/increment-flashcard-count') {
console.log("Handling increment flashcard count request");
return handleIncrementFlashcardCountRequest(request);
} else if (url.pathname === '/oauth-redirect') {
console.log("Handling OAuth redirect");
return handleOAuthRedirect(request);
} else if (url.pathname === '/api/check-connectivity') {
console.log("Handling connectivity check request");
return handleConnectivityCheckRequest(request);
}
console.log("Request not matched, returning 404");
return new Response('Not Found', { status: 404 });
}
async function handleOAuthRedirect(request) {
const url = new URL(request.url);
const fragmentParams = new URLSearchParams(url.hash.slice(1));
const token = fragmentParams.get('access_token');
if (token) {
return new Response(`
<html>
<body>
<script>
if (window.opener) {
window.opener.postMessage({token: "${token}"}, "*");
} else {
// For Firefox, we need to use browser.runtime.sendMessage
browser.runtime.sendMessage({action: "auth_success", token: "${token}"});
}
window.close();
</script>
</body>
</html>
`, {
headers: {
'Content-Type': 'text/html',
},
});
} else {
return new Response('Authentication failed', { status: 400 });
}
}
async function handleChatRequest(request) {
console.log("Processing chat request");
const body = await request.json();
const API_KEY = OPENAI_API_KEY;
console.log("Sending request to OpenAI API");
const openAIResponse = await fetch(`${OPENAI_API_URL}/chat/completions`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${API_KEY}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({
model: body.model,
messages: body.messages,
response_format: body.response_format
})
});
const data = await openAIResponse.json();
console.log("Received response from OpenAI API");
return new Response(JSON.stringify(data), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
async function handleModelsRequest(request) {
console.log("Processing models request");
try {
const API_KEY = OPENAI_API_KEY;
console.log("Fetching models from OpenAI API");
const response = await fetch(`${OPENAI_API_URL}/models`, {
headers: {
'Authorization': `Bearer ${API_KEY}`,
'Content-Type': 'application/json'
}
});
if (!response.ok) {
throw new Error('Failed to fetch models from OpenAI');
}
const data = await response.json();
const models = data.data.filter(model => model.id.startsWith('gpt-')).map(model => model.id);
const result = { result: models, error: null };
console.log("Models fetched successfully:", models);
return new Response(JSON.stringify(result), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
} catch (error) {
console.error("Error fetching models:", error);
const result = { result: null, error: error.message };
return new Response(JSON.stringify(result), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
}
function handleLimitsRequest(request) {
console.log("Processing limits request");
const limits = {
freeGenerationLimit: FREE_GENERATION_LIMIT,
regenerationLimit: REGENERATION_LIMIT
};
console.log("Returning limits:", limits);
return new Response(JSON.stringify(limits), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
async function handleUserDataRequest(request) {
if (request.method === 'GET') {
const url = new URL(request.url);
const userId = url.pathname.split('/').pop();
if (userId === 'undefined' || !userId) {
return new Response(JSON.stringify({ error: 'Invalid user ID' }), {
status: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
const userData = await USER_DATA.get(userId);
if (userData) {
return new Response(userData, {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
} else {
const newUserData = JSON.stringify({
userId: userId,
userName: '',
userEmail: '',
flashcardCount: 0,
freeGenerationLimit: FREE_GENERATION_LIMIT,
regenerationLimit: REGENERATION_LIMIT
});
await USER_DATA.put(userId, newUserData);
return new Response(newUserData, {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
} else if (request.method === 'POST') {
const { userId, userName, userEmail } = await request.json();
let userData = await USER_DATA.get(userId);
if (userData) {
userData = JSON.parse(userData);
} else {
userData = {
userId,
flashcardCount: 0,
freeGenerationLimit: FREE_GENERATION_LIMIT,
regenerationLimit: REGENERATION_LIMIT
};
}
userData.userName = userName;
userData.userEmail = userEmail;
await USER_DATA.put(userId, JSON.stringify(userData));
return new Response(JSON.stringify(userData), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
return new Response('Method Not Allowed', { status: 405 });
}
async function handleGenerateFlashcardRequest(request) {
console.log("Processing generate flashcard request");
const { userId, isOwnCredits } = await request.json();
console.log("Request data:", { userId, isOwnCredits });
const userData = await USER_DATA.get(userId);
let parsedUserData = userData ? JSON.parse(userData) : { flashcardCount: 0 };
console.log("User data:", parsedUserData);
if (!isOwnCredits && parsedUserData.flashcardCount >= parsedUserData.freeGenerationLimit) {
console.log("User has reached flashcard generation limit");
return new Response(JSON.stringify({ canGenerate: false, reason: 'LIMIT_REACHED' }), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
console.log("User can generate flashcard");
return new Response(JSON.stringify({ canGenerate: true }), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
async function handleIncrementFlashcardCountRequest(request) {
console.log("Processing increment flashcard count request");
const { userId } = await request.json();
console.log("Request data:", { userId });
const userData = await USER_DATA.get(userId);
let parsedUserData = userData ? JSON.parse(userData) : { flashcardCount: 0, freeGenerationLimit: FREE_GENERATION_LIMIT };
console.log("Current user data:", parsedUserData);
parsedUserData.flashcardCount++;
console.log("Updated flashcard count:", parsedUserData.flashcardCount);
await USER_DATA.put(userId, JSON.stringify(parsedUserData));
return new Response(JSON.stringify({
success: true,
newCount: parsedUserData.flashcardCount,
remainingCards: parsedUserData.freeGenerationLimit - parsedUserData.flashcardCount
}), {
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
});
}
function handleCORS(request) {
console.log("Handling CORS request");
const headers = request.headers;
if (
headers.get('Origin') !== null &&
headers.get('Access-Control-Request-Method') !== null &&
headers.get('Access-Control-Request-Headers') !== null
) {
return new Response(null, {
headers: {
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
'Access-Control-Allow-Headers': 'Content-Type, Authorization',
'Access-Control-Max-Age': '86400',
}
});
} else {
return new Response(null, {
headers: {
'Allow': 'GET, POST, OPTIONS'
}
});
}
}
console.log("Worker script fully loaded");