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use std::{collections::HashMap, path::PathBuf};
use async_trait::async_trait;
use reqwest::{Body, RequestBuilder};
use serde::Deserialize;
use tokio_util::codec::{BytesCodec, FramedRead};
use crate::{traits::*, types::*};
type Result<T> = std::result::Result<T, HydrusError>;
pub struct HydrusClient {
client: reqwest::Client,
apikey: Option<String>,
sessionkey: Option<String>,
url: String,
}
impl HydrusClient {
pub fn new(url: &str) -> HydrusClient {
HydrusClient {
client: reqwest::Client::new(),
apikey: None,
sessionkey: None,
url: url.to_string(),
}
}
pub fn set_api_key(&mut self, key: &str) {
self.apikey = Some(key.to_owned())
}
pub fn set_session_key(&mut self, key: &str) {
self.sessionkey = Some(key.to_owned())
}
fn set_get_request_key(&self, url: &str) -> Result<RequestBuilder> {
let request = self.client.get(url);
if let Some(key) = &self.sessionkey {
Ok(request.header("Hydrus-Client-API-Access-Key", key))
} else if let Some(key) = &self.apikey {
Ok(request.header("Hydrus-Client-API-Access-Key", key))
} else {
Err(HydrusError::KeyNotSupplied)
}
}
fn set_post_request_key(&self, url: &str) -> Result<RequestBuilder> {
let request = self.client.post(url);
if let Some(key) = &self.sessionkey {
Ok(request.header("Hydrus-Client-API-Access-Key", key))
} else if let Some(key) = &self.apikey {
Ok(request.header("Hydrus-Client-API-Access-Key", key))
} else {
Err(HydrusError::KeyNotSupplied)
}
}
}
#[derive(Deserialize, Debug)]
struct HydrusResponse<T> {
#[serde(
alias = "service",
alias = "services",
alias = "access_key",
alias = "session_key"
)]
body: T,
}
#[async_trait]
impl AccessManagement for HydrusClient {
async fn request_new_permissions(
&self,
name: &str,
permissions: &[HydrusPermissions],
) -> Result<String> {
let mut req_url = self.url.to_owned();
req_url.push_str("request_new_permissions?name=");
req_url.push_str(name);
if permissions.is_empty() {
req_url.push_str("&permit_everything=true");
} else {
let json_string = &serde_json::to_string(&permissions)?;
req_url.push_str("&basic_permissions=");
req_url.push_str(&urlencoding::encode(json_string));
};
Ok(self
.client
.get(req_url)
.send()
.await?
.json::<HydrusResponse<String>>()
.await?
.body)
}
async fn get_session_key(&self) -> Result<String> {
let mut req_url = self.url.to_owned();
req_url.push_str("session_key");
let mut request = self.client.get(req_url);
if let Some(key) = &self.apikey {
request = request.header("Hydrus-Client-API-Access-Key", key);
}
Ok(request
.send()
.await?
.json::<HydrusResponse<String>>()
.await?
.body)
}
async fn verify_access_key(&self, key: &str) -> Result<KeyInfo> {
let mut req_url = self.url.to_owned();
req_url.push_str("verify_access_key");
Ok(self
.client
.get(req_url)
.header("Hydrus-Client-API-Access-Key", key)
.send()
.await?
.json::<KeyInfo>()
.await?)
}
async fn get_service_name(&self, name: &str) -> Result<Service> {
let mut req_url = self.url.to_owned();
req_url.push_str("get_service?service_name=");
req_url.push_str(&urlencoding::encode(name));
Ok(self
.set_get_request_key(&req_url)?
.send()
.await?
.json::<HydrusResponse<Service>>()
.await?
.body)
}
async fn get_service_key(&self, key: &str) -> Result<Service> {
let mut req_url = self.url.to_owned();
req_url.push_str("get_service?service_key=");
req_url.push_str(&urlencoding::encode(key));
Ok(self
.set_get_request_key(&req_url)?
.send()
.await?
.json::<HydrusResponse<Service>>()
.await?
.body)
}
async fn get_services(&self) -> Result<HashMap<String, Service>> {
let mut req_url = self.url.to_owned();
req_url.push_str("get_services");
let mut services = self
.set_get_request_key(&req_url)?
.send()
.await?
.json::<HydrusResponse<HashMap<String, Service>>>()
.await?
.body;
for (key, service) in services.iter_mut() {
service.service_key = key.to_string();
}
Ok(services)
}
}
#[async_trait]
impl ImportingAndDeletingFiles for HydrusClient {
async fn add_file_via_path(
&self,
path: &str,
delete: Option<bool>,
domains: Option<FileDomain>,
) -> Result<FileAddResponse> {
let mut form = AddFileRequest {
path: path.to_owned(),
delete_after_successful_import: delete,
..Default::default()
};
if let Some(file_domains) = domains {
match file_domains {
FileDomain::FileServiceKey(key) => form.file_service_key = Some(key),
FileDomain::FileServiceKeys(keys) => form.file_service_keys = Some(keys),
FileDomain::DeletedFileServiceKey(key) => form.deleted_file_service_key = Some(key),
FileDomain::DeletedFileServiceKeys(keys) => {
form.deleted_file_service_keys = Some(keys)
}
}
}
let mut req_url = self.url.to_owned();
req_url.push_str("add_files/add_file");
Ok(self
.set_post_request_key(&req_url)?
.header("Content-Type", "application/json")
.json(&form)
.send()
.await?
.json::<FileAddResponse>()
.await?)
}
async fn add_file_via_file(&self, file: PathBuf) -> Result<FileAddResponse> {
let mut req_url = self.url.to_owned();
req_url.push_str("add_files/add_file");
let file = tokio::fs::File::open(file).await?;
let stream = FramedRead::new(file, BytesCodec::new());
let body = Body::wrap_stream(stream);
Ok(self
.set_post_request_key(&req_url)?
.header("Content-Type", "application/octet-stream")
.body(body)
.send()
.await?
.json::<FileAddResponse>()
.await?)
}
}
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