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
use crate::config::BASE_URL;
use anyhow::{anyhow, Result};
use chrono::Local;
use rquest::header::{HeaderMap, HeaderValue};
use rquest::Client;
use rquest_util::Emulation;
use serde_json::json;
use std::time::Duration;
use uuid::Uuid;
/// Session data for Claude API
#[derive(Clone)]
pub struct Session {
pub cookie: String,
pub user_agent: String,
pub organization_id: String,
}
/// Representation of a file attachment for send_message
#[derive(Clone, Debug)]
pub struct Attachment {
/// File name (basename)
pub file_name: String,
/// File size in bytes
pub size: u64,
/// File content as text
pub content: String,
}
/// Claude API client
pub struct Claude {
http: Client,
session: Session,
model: &'static str,
}
impl Claude {
/// Create a new Claude client
pub fn new(session: Session, model: &'static str) -> Result<Self> {
let http = Client::builder()
.emulation(Emulation::Firefox136)
.timeout(Duration::from_secs(240))
// Add retry settings to handle transient errors
.connect_timeout(Duration::from_secs(30))
.build()?;
Ok(Self {
http,
session,
model,
})
}
fn default_headers(&self) -> HeaderMap {
let mut headers = HeaderMap::new();
headers.insert("Host", HeaderValue::from_static("claude.ai"));
headers.insert(
"User-Agent",
HeaderValue::from_str(&self.session.user_agent).unwrap(),
);
headers
}
/// Create a new chat conversation
pub async fn create_chat(&self) -> Result<String> {
let uuid = Uuid::new_v4().to_string();
let url = format!(
"{}/api/organizations/{}/chat_conversations",
BASE_URL, self.session.organization_id
);
let body = json!({ "name": "", "uuid": uuid }).to_string();
// Add retry logic
let mut attempts = 0;
let max_attempts = 3;
while attempts < max_attempts {
attempts += 1;
match self
.http
.post(&url)
.headers(self.default_headers())
.header("Content-Type", "application/json")
.header("Cookie", &self.session.cookie)
.body(body.clone())
.send()
.await
{
Ok(res) => {
let status = res.status();
if status == 201 {
return Ok(uuid);
} else {
match res.text().await {
Ok(text) => {
if attempts == max_attempts {
return Err(anyhow!("create_chat failed: {:?}", text));
}
}
Err(e) => {
if attempts == max_attempts {
return Err(anyhow!(
"create_chat failed: unable to read response: {}",
e
));
}
}
}
}
}
Err(e) => {
if attempts == max_attempts {
return Err(anyhow!("create_chat failed: network error: {}", e));
}
}
}
// Wait before retrying
tokio::time::sleep(Duration::from_secs(1)).await;
}
Err(anyhow!(
"create_chat failed after {} attempts",
max_attempts
))
}
/// Delete an existing chat conversation
pub async fn delete_chat(&self, chat_id: &str) -> Result<()> {
let url = format!(
"{}/api/organizations/{}/chat_conversations/{}",
BASE_URL, self.session.organization_id, chat_id
);
let body = format!("\"{chat_id}\"");
// Add retry logic
let mut attempts = 0;
let max_attempts = 3;
while attempts < max_attempts {
attempts += 1;
match self
.http
.delete(&url)
.headers(self.default_headers())
.header("Content-Type", "application/json")
.header("Cookie", &self.session.cookie)
.body(body.clone())
.send()
.await
{
Ok(res) => {
let status = res.status();
if status == 204 {
return Ok(());
} else {
// Only fail on final attempt
if attempts == max_attempts {
match res.text().await {
Ok(text) => {
return Err(anyhow!("delete_chat failed: {:?}", text));
}
Err(e) => {
return Err(anyhow!(
"delete_chat failed: unable to read response: {}",
e
));
}
}
}
}
}
Err(e) => {
if attempts == max_attempts {
return Err(anyhow!("delete_chat failed: network error: {}", e));
}
}
}
// Wait before retrying
tokio::time::sleep(Duration::from_secs(1)).await;
}
Err(anyhow!(
"delete_chat failed after {} attempts",
max_attempts
))
}
/// Send a message to the chat and return the completion
/// Send a message to the chat with optional attachments and return the completion
pub async fn send_message(
&self,
chat_id: &str,
prompt: &str,
attachments: &[Attachment],
) -> Result<String> {
let url = format!(
"{}/api/organizations/{}/chat_conversations/{}/completion",
BASE_URL, self.session.organization_id, chat_id
);
let mut payload = json!({
"attachments": [],
"files": [],
"prompt": prompt,
"model": self.model,
"timezone": Local::now().offset().to_string()
});
if !attachments.is_empty() {
let atts: Vec<_> = attachments
.iter()
.map(|a| {
json!({
"extracted_content": a.content,
"file_name": a.file_name,
"file_size": a.size.to_string(),
"file_type": "text/plain"
})
})
.collect();
payload["attachments"] = serde_json::Value::Array(atts);
}
// Add retry logic for network errors
let mut attempts = 0;
let max_attempts = 3;
let mut last_error = None;
while attempts < max_attempts {
attempts += 1;
match self
.http
.post(&url)
.headers(self.default_headers())
.header("Content-Type", "application/json")
.header("Accept", "text/event-stream, text/event-stream")
.header("Cookie", &self.session.cookie)
.body(payload.to_string())
.send()
.await
{
Ok(res) => {
let status = res.status();
// Check status before proceeding
if !status.is_success() {
// Try to get more details about the error
let error_text = match res.text().await {
Ok(text) => text,
Err(_) => "Unable to read error response".to_string(),
};
return Err(anyhow!(
"API request failed with status: {} - {}",
status,
error_text
));
}
// Process the body
match super::utils::decode_body(res).await {
Ok(bytes) => {
let _preview = std::str::from_utf8(&bytes[..bytes.len().min(500)])
.unwrap_or("Invalid UTF-8")
.replace('\n', "\\n");
// eprintln!("RESPONSE BODY: {} (first 500 bytes)", preview);
let result = super::utils::parse_stream(&bytes)?;
return Ok(result);
}
Err(e) => {
eprintln!("RESPONSE DECODE ERROR: {e}");
last_error = Some(e);
if attempts < max_attempts {
// Wait before retrying
tokio::time::sleep(Duration::from_secs(1)).await;
continue;
}
}
}
}
Err(e) => {
eprintln!("NETWORK ERROR: {e}");
last_error = Some(anyhow!("Network error: {}", e));
if attempts < max_attempts {
// Wait before retrying
tokio::time::sleep(Duration::from_secs(1)).await;
continue;
}
}
}
}
// All attempts failed
Err(last_error
.unwrap_or_else(|| anyhow!("Failed to connect to API after {} attempts", max_attempts)))
}
}