119 lines
3.5 KiB
Rust
119 lines
3.5 KiB
Rust
use anyhow::Context;
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use futures::{future::BoxFuture, FutureExt};
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use serde::Deserialize;
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use crate::{
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api::ApiAddTorrentResponse,
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http_api::{InitialPeers, TorrentAddQueryParams},
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session::{AddTorrent, AddTorrentOptions},
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};
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#[derive(Clone)]
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pub struct HttpApiClient {
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client: reqwest::Client,
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base_url: reqwest::Url,
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}
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async fn check_response(r: reqwest::Response) -> anyhow::Result<reqwest::Response> {
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if r.status().is_success() {
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return Ok(r);
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}
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let status = r.status();
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let url = r.url().clone();
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let body = r
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.text()
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.await
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.with_context(|| format!("cannot read response body for request to {url} ({status})"))?;
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#[derive(Deserialize)]
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struct HumanReadableError<'a> {
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human_readable: Option<&'a str>,
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}
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let human_readable_internal_error = serde_json::from_str::<HumanReadableError<'_>>(&body)
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.ok()
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.and_then(|e| e.human_readable);
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let body_display = human_readable_internal_error.unwrap_or(&body);
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anyhow::bail!("{} -> {}: {}", url, status, body_display)
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}
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#[derive(Deserialize)]
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struct ApiRoot {
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server: String,
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}
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async fn json_response<T: serde::de::DeserializeOwned + std::any::Any>(
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response: reqwest::Response,
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) -> anyhow::Result<T> {
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let url = response.url().clone();
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let response = check_response(response).await?;
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let body = response.bytes().await?;
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let response: T = serde_json::from_slice(&body).with_context(|| {
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format!(
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"error deserializing response from {:?} as {:?}",
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url,
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std::any::type_name::<T>(),
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)
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})?;
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Ok(response)
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}
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impl HttpApiClient {
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#[inline(never)]
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pub fn new(url: &str) -> anyhow::Result<Self> {
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Ok(Self {
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base_url: reqwest::Url::parse(url)?,
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client: reqwest::ClientBuilder::new().build()?,
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})
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}
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pub fn base_url(&self) -> &reqwest::Url {
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&self.base_url
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}
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#[inline(never)]
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pub fn validate_rqbit_server(&self) -> BoxFuture<'_, anyhow::Result<()>> {
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async move {
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let response = self.client.get(self.base_url.clone()).send().await?;
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let root: ApiRoot = json_response(response).await?;
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if root.server == "rqbit" {
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return Ok(());
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}
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anyhow::bail!("not an rqbit server at {}", &self.base_url)
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}
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.boxed()
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}
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pub fn add_torrent<'a>(
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&'a self,
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torrent: AddTorrent<'a>,
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opts: Option<AddTorrentOptions>,
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) -> BoxFuture<'a, anyhow::Result<ApiAddTorrentResponse>> {
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async move {
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let opts = opts.unwrap_or_default();
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let params = TorrentAddQueryParams {
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overwrite: Some(opts.overwrite),
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only_files_regex: opts.only_files_regex,
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only_files: None,
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output_folder: opts.output_folder,
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sub_folder: opts.sub_folder,
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list_only: Some(opts.list_only),
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initial_peers: opts.initial_peers.map(InitialPeers),
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..Default::default()
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};
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let qs = serde_urlencoded::to_string(¶ms).unwrap();
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let url = format!("{}torrents?{}", &self.base_url, qs);
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let response = check_response(
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self.client
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.post(&url)
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.body(torrent.into_bytes())
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.send()
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.await?,
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)
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.await?;
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json_response(response).await
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}
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.boxed()
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}
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}
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