move out all the api calls to a different file

This commit is contained in:
b1ek 2024-05-15 15:48:25 +10:00
parent 7384fec6ba
commit 4c4258fbdc
Signed by: blek
GPG Key ID: 14546221E3595D0C
2 changed files with 144 additions and 134 deletions

135
src/api.rs Normal file
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@ -0,0 +1,135 @@
use std::error::Error;
use std::process::exit;
use reqwest::{header::{HeaderMap, HeaderValue}, Client};
use serde::{Deserialize, Serialize};
use crate::{cache::Cache, config::Config};
use crate::{WARN, RED, RESET};
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ChatMessagePayload {
pub role: String,
pub content: String,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ChatPayload {
pub model: String,
pub messages: Vec<ChatMessagePayload>
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ChatChunk {
pub role: Option<String>,
pub message: String,
pub created: u64,
pub action: String,
pub id: Option<String>,
pub model: Option<String>
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ErrChatChunk {
pub action: String,
pub status: u64,
#[serde(rename = "type")]
pub err_type: String,
}
fn get_headers() -> HeaderMap {
let mut map = HeaderMap::new();
map.insert("Host", HeaderValue::from_static("duckduckgo.com"));
map.insert("Accept", HeaderValue::from_static("text/event-stream"));
map.insert("Accept-Language", HeaderValue::from_static("en-US,en;q=0.5"));
map.insert("Accept-Encoding", HeaderValue::from_static("gzip, deflate, br"));
map.insert("Referer", HeaderValue::from_static("https://duckduckgo.com/"));
map.insert("User-Agent", HeaderValue::from_static("Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0"));
map.insert("DNT", HeaderValue::from_static("1"));
map.insert("Sec-GPC", HeaderValue::from_static("1"));
map.insert("Connection", HeaderValue::from_static("keep-alive"));
map.insert("Cookie", HeaderValue::from_static("dcm=3; ay=b"));
map.insert("Sec-Fetch-Dest", HeaderValue::from_static("empty"));
map.insert("Sec-Fetch-Mode", HeaderValue::from_static("cors"));
map.insert("Sec-Fetch-Site", HeaderValue::from_static("same-origin"));
map.insert("TE", HeaderValue::from_static("trailers"));
map
}
pub async fn simulate_browser_reqs(cli: &Client) -> Result<(), Box<dyn Error>> {
let req = cli.get("https://duckduckgo.com/country.json")
.headers(get_headers())
.header("X-Requested-With", "XMLHttpRequest")
.build()?;
cli.execute(req).await?;
Ok(())
}
pub async fn get_vqd(cli: &Client) -> Result<String, Box<dyn Error>> {
let mut headers = get_headers();
headers.insert("Cache-Control", HeaderValue::from_static("no-store"));
headers.insert("x-vqd-accept", HeaderValue::from_static("1"));
let req = cli.get("https://duckduckgo.com/duckchat/v1/status")
.headers(headers)
.build()?;
let res = cli.execute(req).await?;
let data = res.headers().iter().find(|x| x.0 == "x-vqd-4").map(|x| x.1.clone());
if let Some(data) = data {
Ok(data.to_str()?.to_string())
} else {
Err("No VQD header returned".into())
}
}
pub async fn get_res<'a>(cli: &Client, query: String, vqd: String, cache: &'a mut Cache, config: &Config) {
let payload = ChatPayload {
model: config.model.to_string(),
messages: vec![ ChatMessagePayload { role: "user".into(), content: query } ]
};
let payload = serde_json::to_string(&payload).unwrap();
let req = cli.post("https://duckduckgo.com/duckchat/v1/chat")
.header("Content-Type", "application/json")
.header("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0")
.header("x-vqd-4", vqd.clone())
.body(payload)
.build().unwrap();
let mut res = cli.execute(req).await.unwrap();
let new_vqd = res.headers().iter().find(|x| x.0 == "x-vqd-4");
let vqd_set_res =
if let Some(new_vqd) = new_vqd {
cache.set_last_vqd(new_vqd.1.as_bytes().iter().map(|x| char::from(*x)).collect::<String>())
} else {
eprintln!("{WARN}Warn: DuckDuckGo did not return new VQD. Ignore this if everything else is ok.{RESET}");
cache.set_last_vqd(vqd.clone())
};
if let Err(err) = vqd_set_res {
eprintln!("{WARN}Warn: Could not save VQD to cache: {err}{RESET}");
}
while let Some(chunk) = res.chunk().await.unwrap() {
if let Ok(obj) = serde_json::from_slice::<ErrChatChunk>(&chunk) {
if obj.action == "error" {
eprintln!("{RED}Error obtaining response: {} - {}{RESET}", obj.status, obj.err_type);
exit(1);
}
}
let chunk = String::from_utf8(chunk.to_vec()).unwrap();
let chunk = chunk.replace("data: ", "");
for line in chunk.lines() {
if let Ok(obj) = serde_json::from_str::<ChatChunk>(line) {
print!("{}", obj.message);
}
}
}
println!("\n");
}

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@ -1,147 +1,22 @@
use std::{error::Error, path::PathBuf, process::exit}; use std::{path::PathBuf, process::exit};
use reqwest::{header::{HeaderMap, HeaderValue}, Client}; use reqwest::Client;
use serde::{Deserialize, Serialize};
use clap::Parser; use clap::Parser;
use std::io::{stdout, IsTerminal}; use std::io::{stdout, IsTerminal};
use crate::{cache::Cache, config::Config}; use crate::{cache::Cache, config::Config};
use crate::api::{get_res, get_vqd, simulate_browser_reqs};
mod cache; mod cache;
mod config; mod config;
mod api;
const GREEN: &str = "\x1b[1;32m"; pub const GREEN: &str = "\x1b[1;32m";
const RED: &str = "\x1b[1;31m"; pub const RED: &str = "\x1b[1;31m";
const BLUE: &str = "\x1b[34m"; pub const BLUE: &str = "\x1b[34m";
const WARN: &str = "\x1b[33m"; pub const WARN: &str = "\x1b[33m";
const RESET: &str = "\x1b[0m"; pub const RESET: &str = "\x1b[0m";
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ChatMessagePayload {
pub role: String,
pub content: String,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ChatPayload {
pub model: String,
pub messages: Vec<ChatMessagePayload>
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ChatChunk {
pub role: Option<String>,
pub message: String,
pub created: u64,
pub action: String,
pub id: Option<String>,
pub model: Option<String>
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ErrChatChunk {
pub action: String,
pub status: u64,
#[serde(rename = "type")]
pub err_type: String,
}
fn get_headers() -> HeaderMap {
let mut map = HeaderMap::new();
map.insert("Host", HeaderValue::from_static("duckduckgo.com"));
map.insert("Accept", HeaderValue::from_static("text/event-stream"));
map.insert("Accept-Language", HeaderValue::from_static("en-US,en;q=0.5"));
map.insert("Accept-Encoding", HeaderValue::from_static("gzip, deflate, br"));
map.insert("Referer", HeaderValue::from_static("https://duckduckgo.com/"));
map.insert("User-Agent", HeaderValue::from_static("Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0"));
map.insert("DNT", HeaderValue::from_static("1"));
map.insert("Sec-GPC", HeaderValue::from_static("1"));
map.insert("Connection", HeaderValue::from_static("keep-alive"));
map.insert("Cookie", HeaderValue::from_static("dcm=3; ay=b"));
map.insert("Sec-Fetch-Dest", HeaderValue::from_static("empty"));
map.insert("Sec-Fetch-Mode", HeaderValue::from_static("cors"));
map.insert("Sec-Fetch-Site", HeaderValue::from_static("same-origin"));
map.insert("TE", HeaderValue::from_static("trailers"));
map
}
async fn simulate_browser_reqs(cli: &Client) -> Result<(), Box<dyn Error>> {
let req = cli.get("https://duckduckgo.com/country.json")
.headers(get_headers())
.header("X-Requested-With", "XMLHttpRequest")
.build()?;
cli.execute(req).await?;
Ok(())
}
async fn get_vqd(cli: &Client) -> Result<String, Box<dyn Error>> {
let mut headers = get_headers();
headers.insert("Cache-Control", HeaderValue::from_static("no-store"));
headers.insert("x-vqd-accept", HeaderValue::from_static("1"));
let req = cli.get("https://duckduckgo.com/duckchat/v1/status")
.headers(headers)
.build()?;
let res = cli.execute(req).await?;
let data = res.headers().iter().find(|x| x.0 == "x-vqd-4").map(|x| x.1.clone());
if let Some(data) = data {
Ok(data.to_str()?.to_string())
} else {
Err("No VQD header returned".into())
}
}
async fn get_res<'a>(cli: &Client, query: String, vqd: String, cache: &'a mut Cache, config: &Config) {
let payload = ChatPayload {
model: config.model.to_string(),
messages: vec![ ChatMessagePayload { role: "user".into(), content: query } ]
};
let payload = serde_json::to_string(&payload).unwrap();
let req = cli.post("https://duckduckgo.com/duckchat/v1/chat")
.header("Content-Type", "application/json")
.header("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0")
.header("x-vqd-4", vqd.clone())
.body(payload)
.build().unwrap();
let mut res = cli.execute(req).await.unwrap();
let new_vqd = res.headers().iter().find(|x| x.0 == "x-vqd-4");
let vqd_set_res =
if let Some(new_vqd) = new_vqd {
cache.set_last_vqd(new_vqd.1.as_bytes().iter().map(|x| char::from(*x)).collect::<String>())
} else {
eprintln!("{WARN}Warn: DuckDuckGo did not return new VQD. Ignore this if everything else is ok.{RESET}");
cache.set_last_vqd(vqd.clone())
};
if let Err(err) = vqd_set_res {
eprintln!("{WARN}Warn: Could not save VQD to cache: {err}{RESET}");
}
while let Some(chunk) = res.chunk().await.unwrap() {
if let Ok(obj) = serde_json::from_slice::<ErrChatChunk>(&chunk) {
if obj.action == "error" {
eprintln!("{RED}Error obtaining response: {} - {}{RESET}", obj.status, obj.err_type);
exit(1);
}
}
let chunk = String::from_utf8(chunk.to_vec()).unwrap();
let chunk = chunk.replace("data: ", "");
for line in chunk.lines() {
if let Ok(obj) = serde_json::from_str::<ChatChunk>(line) {
print!("{}", obj.message);
}
}
}
println!("\n");
}
#[derive(Debug, Parser)] #[derive(Debug, Parser)]
#[command(version, about, long_about = None)] #[command(version, about, long_about = None)]