src/client/http_client.rs: cleanup, make login fully async
This commit is contained in:
Dietmar Maurer
parent
3dceb9b304
commit
5a2df00004
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@ -24,6 +24,7 @@ use regex::Regex;
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use xdg::BaseDirectories;
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use lazy_static::lazy_static;
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use futures::*;
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lazy_static! {
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static ref BACKUPSPEC_REGEX: Regex = Regex::new(r"^([a-zA-Z0-9_-]+\.(?:pxar|raw)):(.+)$").unwrap();
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@ -135,7 +136,7 @@ fn backup_directory<P: AsRef<Path>>(
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let body = Body::wrap_stream(stream);
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client.upload("application/x-proxmox-backup-pxar", body, &path)?;
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client.upload("application/x-proxmox-backup-pxar", body, &path).wait()?;
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Ok(())
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}
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@ -235,11 +236,11 @@ fn list_backup_groups(
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo: BackupRepository = repo_url.parse()?;
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let mut client = HttpClient::new(repo.host(), repo.user());
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let client = HttpClient::new(repo.host(), repo.user());
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let path = format!("api2/json/admin/datastore/{}/groups", repo.store());
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let mut result = client.get(&path)?;
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let mut result = client.get(&path).wait()?;
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record_repository(&repo);
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@ -300,12 +301,12 @@ fn list_snapshots(
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"backup-id": group.backup_id(),
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}))?;
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let mut client = HttpClient::new(repo.host(), repo.user());
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let client = HttpClient::new(repo.host(), repo.user());
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let path = format!("api2/json/admin/datastore/{}/snapshots?{}", repo.store(), query);
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// fixme: params
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let result = client.get(&path)?;
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let result = client.get(&path).wait()?;
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record_repository(&repo);
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@ -353,7 +354,7 @@ fn forget_snapshots(
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let path = format!("api2/json/admin/datastore/{}/snapshots?{}", repo.store(), query);
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let result = client.delete(&path)?;
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let result = client.delete(&path).wait()?;
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record_repository(&repo);
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@ -373,7 +374,7 @@ fn start_garbage_collection(
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let path = format!("api2/json/admin/datastore/{}/gc", repo.store());
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let result = client.post(&path)?;
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let result = client.post(&path, None).wait()?;
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record_repository(&repo);
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@ -446,8 +447,6 @@ fn create_backup(
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let mut client = HttpClient::new(repo.host(), repo.user());
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client.login()?; // login before starting backup
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record_repository(&repo);
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println!("Starting backup");
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@ -503,8 +502,6 @@ fn restore(
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let mut client = HttpClient::new(repo.host(), repo.user());
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client.login()?; // login before starting
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record_repository(&repo);
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let path = tools::required_string_param(¶m, "snapshot")?;
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@ -520,7 +517,7 @@ fn restore(
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}))?;
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let path = format!("api2/json/admin/datastore/{}/snapshots?{}", repo.store(), subquery);
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let result = client.get(&path)?;
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let result = client.get(&path).wait()?;
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let list = result["data"].as_array().unwrap();
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if list.len() == 0 {
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@ -553,7 +550,7 @@ fn restore(
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let target = PathBuf::from(target);
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let writer = PxarDecodeWriter::new(&target, true)?;
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client.download(&path, Box::new(writer))?;
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client.download(&path, Box::new(writer)).wait()?;
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} else {
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bail!("unknown file extensions - unable to download '{}'", archive_name);
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}
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@ -576,18 +573,19 @@ fn prune(
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param.as_object_mut().unwrap().remove("repository");
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let result = client.post_json(&path, param)?;
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let result = client.post(&path, Some(param)).wait()?;
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record_repository(&repo);
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Ok(result)
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}
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// like get, but simply ignore errors and return Null instead
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fn try_get(repo: &BackupRepository, url: &str) -> Value {
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let mut client = HttpClient::new(repo.host(), repo.user());
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let client = HttpClient::new(repo.host(), repo.user());
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let mut resp = match client.try_get(url) {
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let mut resp = match client.get(url).wait() {
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Ok(v) => v,
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_ => return Value::Null,
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};
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@ -858,6 +856,9 @@ fn main() {
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.insert("restore".to_owned(), restore_cmd_def.into())
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.insert("snapshots".to_owned(), snapshots_cmd_def.into());
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run_cli_command(cmd_def.into());
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hyper::rt::run(futures::future::lazy(move || {
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run_cli_command(cmd_def.into());
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Ok(())
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}));
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}
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@ -3,25 +3,32 @@ use failure::*;
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use http::Uri;
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use hyper::Body;
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use hyper::client::Client;
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use hyper::rt::{self, Future};
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use xdg::BaseDirectories;
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use chrono::Utc;
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use http::Request;
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use http::header::HeaderValue;
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use futures::Future;
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use futures::stream::Stream;
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use serde_json::{json, Value};
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use url::percent_encoding::{percent_encode, DEFAULT_ENCODE_SET};
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use crate::tools::{self, tty};
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use crate::tools::{self, BroadcastFuture, tty};
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#[derive(Clone)]
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struct AuthInfo {
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username: String,
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ticket: String,
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token: String,
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}
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/// HTTP(S) API client
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pub struct HttpClient {
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username: String,
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client: Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>,
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server: String,
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ticket: Option<String>,
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token: Option<String>
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auth: BroadcastFuture<AuthInfo>,
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}
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fn store_ticket_info(server: &str, username: &str, ticket: &str, token: &str) -> Result<(), Error> {
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@ -104,15 +111,17 @@ fn load_ticket_info(server: &str, username: &str) -> Option<(String, String)> {
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impl HttpClient {
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pub fn new(server: &str, username: &str) -> Self {
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let client = Self::build_client();
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let login = Self::credentials(client.clone(), server, username);
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Self {
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client,
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server: String::from(server),
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username: String::from(username),
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ticket: None,
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token: None,
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auth: BroadcastFuture::new(login),
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}
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}
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fn get_password(&self) -> Result<String, Error> {
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fn get_password(_username: &str) -> Result<String, Error> {
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use std::env::VarError::*;
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match std::env::var("PBS_PASSWORD") {
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Ok(p) => return Ok(p),
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@ -130,34 +139,161 @@ impl HttpClient {
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bail!("no password input mechanism available");
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}
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fn build_client() -> Result<Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>, Error> {
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fn build_client() -> Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>> {
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let mut builder = native_tls::TlsConnector::builder();
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// FIXME: We need a CLI option for this!
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builder.danger_accept_invalid_certs(true);
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let tlsconnector = builder.build()?;
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let tlsconnector = builder.build().unwrap();
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let mut httpc = hyper::client::HttpConnector::new(1);
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httpc.enforce_http(false); // we want https...
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let mut https = hyper_tls::HttpsConnector::from((httpc, tlsconnector));
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https.https_only(true); // force it!
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let client = Client::builder().build::<_, Body>(https);
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Ok(client)
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Client::builder().build::<_, Body>(https)
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}
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fn run_request(
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request: Request<Body>,
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) -> Result<Value, Error> {
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let client = Self::build_client()?;
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pub fn request(&self, mut req: Request<Body>) -> impl Future<Item=Value, Error=Error> {
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let (tx, rx) = std::sync::mpsc::channel();
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let login = self.auth.listen();
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let future = client
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.request(request)
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let client = self.client.clone();
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login.and_then(move |auth| {
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let enc_ticket = format!("PBSAuthCookie={}", percent_encode(auth.ticket.as_bytes(), DEFAULT_ENCODE_SET));
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req.headers_mut().insert("Cookie", HeaderValue::from_str(&enc_ticket).unwrap());
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req.headers_mut().insert("CSRFPreventionToken", HeaderValue::from_str(&auth.token).unwrap());
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let request = Self::api_request(client, req);
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request
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})
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}
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pub fn get(&self, path: &str) -> impl Future<Item=Value, Error=Error> {
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let req = Self::request_builder(&self.server, "GET", path, None).unwrap();
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self.request(req)
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}
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pub fn delete(&mut self, path: &str) -> impl Future<Item=Value, Error=Error> {
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let req = Self::request_builder(&self.server, "DELETE", path, None).unwrap();
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self.request(req)
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}
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pub fn post(&mut self, path: &str, data: Option<Value>) -> impl Future<Item=Value, Error=Error> {
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let req = Self::request_builder(&self.server, "POST", path, data).unwrap();
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self.request(req)
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}
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pub fn download(&mut self, path: &str, mut output: Box<dyn std::io::Write + Send>) -> impl Future<Item=(), Error=Error> {
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let mut req = Self::request_builder(&self.server, "GET", path, None).unwrap();
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let login = self.auth.listen();
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let client = self.client.clone();
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login.and_then(move |auth| {
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let enc_ticket = format!("PBSAuthCookie={}", percent_encode(auth.ticket.as_bytes(), DEFAULT_ENCODE_SET));
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req.headers_mut().insert("Cookie", HeaderValue::from_str(&enc_ticket).unwrap());
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client.request(req)
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.map_err(Error::from)
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.and_then(|resp| {
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let _status = resp.status(); // fixme: ??
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resp.into_body()
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.map_err(Error::from)
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.for_each(move |chunk| {
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output.write_all(&chunk)?;
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Ok(())
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})
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})
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})
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}
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pub fn upload(&mut self, content_type: &str, body: Body, path: &str) -> impl Future<Item=Value, Error=Error> {
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let path = path.trim_matches('/');
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let url: Uri = format!("https://{}:8007/{}", &self.server, path).parse().unwrap();
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let req = Request::builder()
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.method("POST")
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.uri(url)
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.header("User-Agent", "proxmox-backup-client/1.0")
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.header("Content-Type", content_type)
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.body(body).unwrap();
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self.request(req)
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}
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fn credentials(
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client: Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>,
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server: &str,
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username: &str,
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) -> Box<Future<Item=AuthInfo, Error=Error> + Send> {
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let server = server.to_owned();
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let server2 = server.to_owned();
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let username = username.to_owned();
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let create_request = futures::future::lazy(move || {
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let data = if let Some((ticket, _token)) = load_ticket_info(&server, &username) {
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json!({ "username": username, "password": ticket })
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} else {
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let password = match Self::get_password(&username) {
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Ok(p) => p,
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Err(err) => {
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return futures::future::Either::A(futures::future::err(err));
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}
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};
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json!({ "username": username, "password": password })
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};
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let req = Self::request_builder(&server, "POST", "/api2/json/access/ticket", Some(data)).unwrap();
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futures::future::Either::B(Self::api_request(client, req))
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});
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let login_future = create_request
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.and_then(move |cred| {
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let auth = AuthInfo {
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username: cred["data"]["username"].as_str().unwrap().to_owned(),
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ticket: cred["data"]["ticket"].as_str().unwrap().to_owned(),
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token: cred["data"]["CSRFPreventionToken"].as_str().unwrap().to_owned(),
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};
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let _ = store_ticket_info(&server2, &auth.username, &auth.ticket, &auth.token);
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Ok(auth)
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});
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Box::new(login_future)
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}
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fn api_request(
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client: Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>,
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req: Request<Body>
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) -> impl Future<Item=Value, Error=Error> {
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client.request(req)
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.map_err(Error::from)
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.and_then(|resp| {
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let status = resp.status();
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resp.into_body().concat2().map_err(Error::from)
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resp
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.into_body()
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.concat2()
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.map_err(Error::from)
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.and_then(move |data| {
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let text = String::from_utf8(data.to_vec()).unwrap();
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@ -173,265 +309,34 @@ impl HttpClient {
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}
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})
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})
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.then(move |res| {
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tx.send(res).unwrap();
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Ok(())
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});
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// drop client, else client keeps connectioon open (keep-alive feature)
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drop(client);
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rt::run(future);
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rx.recv().unwrap()
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}
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fn run_download(
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request: Request<Body>,
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mut output: Box<dyn std::io::Write + Send>,
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) -> Result<(), Error> {
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let client = Self::build_client()?;
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let (tx, rx) = std::sync::mpsc::channel();
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let future = client
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.request(request)
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.map_err(Error::from)
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.and_then(move |resp| {
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let _status = resp.status(); // fixme: ??
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resp.into_body()
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.map_err(Error::from)
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.for_each(move |chunk| {
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output.write_all(&chunk)?;
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Ok(())
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})
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})
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.then(move |res| {
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tx.send(res).unwrap();
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Ok(())
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});
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// drop client, else client keeps connectioon open (keep-alive feature)
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drop(client);
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rt::run(future);
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rx.recv().unwrap()
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}
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pub fn download(&mut self, path: &str, output: Box<dyn std::io::Write + Send>) -> Result<(), Error> {
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pub fn request_builder(server: &str, method: &str, path: &str, data: Option<Value>) -> Result<Request<Body>, Error> {
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let path = path.trim_matches('/');
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let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
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let url: Uri = format!("https://{}:8007/{}", server, path).parse()?;
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let (ticket, _token) = self.login()?;
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let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
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let request = Request::builder()
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.method("GET")
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.uri(url)
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.header("User-Agent", "proxmox-backup-client/1.0")
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.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
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.body(Body::empty())?;
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Self::run_download(request, output)
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}
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pub fn get(&mut self, path: &str) -> Result<Value, Error> {
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let path = path.trim_matches('/');
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let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
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let (ticket, _token) = self.login()?;
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let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
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let request = Request::builder()
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.method("GET")
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.uri(url)
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.header("User-Agent", "proxmox-backup-client/1.0")
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.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
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.body(Body::empty())?;
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Self::run_request(request)
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}
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/// like get(), but use existing credentials (never asks for password).
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/// this simply fails when there is no ticket
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pub fn try_get(&mut self, path: &str) -> Result<Value, Error> {
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let path = path.trim_matches('/');
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let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
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let mut credentials = None;
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if let Some(ref ticket) = self.ticket {
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if let Some(ref token) = self.token {
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credentials = Some((ticket.clone(), token.clone()));
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if let Some(data) = data {
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if method == "POST" {
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let request = Request::builder()
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||||
.method(method)
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header(hyper::header::CONTENT_TYPE, "application/json")
|
||||
.body(Body::from(data.to_string()))?;
|
||||
return Ok(request);
|
||||
} else {
|
||||
unimplemented!();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if credentials == None {
|
||||
if let Some((ticket, token)) = load_ticket_info(&self.server, &self.username) {
|
||||
credentials = Some((ticket.clone(), token.clone()));
|
||||
}
|
||||
}
|
||||
|
||||
if credentials == None {
|
||||
bail!("unable to get credentials");
|
||||
}
|
||||
|
||||
let (ticket, _token) = credentials.unwrap();
|
||||
|
||||
let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
|
||||
|
||||
let request = Request::builder()
|
||||
.method("GET")
|
||||
.method(method)
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
|
||||
.body(Body::empty())?;
|
||||
|
||||
Self::run_request(request)
|
||||
}
|
||||
|
||||
pub fn delete(&mut self, path: &str) -> Result<Value, Error> {
|
||||
|
||||
let path = path.trim_matches('/');
|
||||
let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
|
||||
|
||||
let (ticket, token) = self.login()?;
|
||||
|
||||
let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
|
||||
|
||||
let request = Request::builder()
|
||||
.method("DELETE")
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
|
||||
.header("CSRFPreventionToken", token)
|
||||
.body(Body::empty())?;
|
||||
|
||||
Self::run_request(request)
|
||||
}
|
||||
|
||||
pub fn post(&mut self, path: &str) -> Result<Value, Error> {
|
||||
|
||||
let path = path.trim_matches('/');
|
||||
let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
|
||||
|
||||
let (ticket, token) = self.login()?;
|
||||
|
||||
let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
|
||||
|
||||
let request = Request::builder()
|
||||
.method("POST")
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
|
||||
.header("CSRFPreventionToken", token)
|
||||
.header(hyper::header::CONTENT_TYPE, "application/x-www-form-urlencoded")
|
||||
.body(Body::empty())?;
|
||||
|
||||
Self::run_request(request)
|
||||
}
|
||||
|
||||
pub fn post_json(&mut self, path: &str, data: Value) -> Result<Value, Error> {
|
||||
|
||||
let path = path.trim_matches('/');
|
||||
let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
|
||||
|
||||
let (ticket, token) = self.login()?;
|
||||
|
||||
let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
|
||||
|
||||
let request = Request::builder()
|
||||
.method("POST")
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
|
||||
.header("CSRFPreventionToken", token)
|
||||
.header(hyper::header::CONTENT_TYPE, "application/json")
|
||||
.body(Body::from(data.to_string()))?;
|
||||
|
||||
Self::run_request(request)
|
||||
}
|
||||
|
||||
fn try_login(&mut self, password: &str) -> Result<(String, String), Error> {
|
||||
|
||||
let url: Uri = format!("https://{}:8007/{}", self.server, "/api2/json/access/ticket").parse()?;
|
||||
|
||||
let query = url::form_urlencoded::Serializer::new(String::new())
|
||||
.append_pair("username", &self.username)
|
||||
.append_pair("password", &password)
|
||||
.finish();
|
||||
|
||||
let request = Request::builder()
|
||||
.method("POST")
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header("Content-Type", "application/x-www-form-urlencoded")
|
||||
.body(Body::from(query))?;
|
||||
|
||||
let auth_res = Self::run_request(request)?;
|
||||
|
||||
let ticket = match auth_res["data"]["ticket"].as_str() {
|
||||
Some(t) => t,
|
||||
None => bail!("got unexpected respose for login request."),
|
||||
};
|
||||
let token = match auth_res["data"]["CSRFPreventionToken"].as_str() {
|
||||
Some(t) => t,
|
||||
None => bail!("got unexpected respose for login request."),
|
||||
};
|
||||
|
||||
Ok((ticket.to_owned(), token.to_owned()))
|
||||
}
|
||||
|
||||
pub fn login(&mut self) -> Result<(String, String), Error> {
|
||||
|
||||
if let Some(ref ticket) = self.ticket {
|
||||
if let Some(ref token) = self.token {
|
||||
return Ok((ticket.clone(), token.clone()));
|
||||
}
|
||||
}
|
||||
|
||||
if let Some((ticket, _token)) = load_ticket_info(&self.server, &self.username) {
|
||||
if let Ok((ticket, token)) = self.try_login(&ticket) {
|
||||
let _ = store_ticket_info(&self.server, &self.username, &ticket, &token);
|
||||
return Ok((ticket.to_owned(), token.to_owned()))
|
||||
}
|
||||
}
|
||||
|
||||
let password = self.get_password()?;
|
||||
let (ticket, token) = self.try_login(&password)?;
|
||||
|
||||
let _ = store_ticket_info(&self.server, &self.username, &ticket, &token);
|
||||
|
||||
Ok((ticket.to_owned(), token.to_owned()))
|
||||
}
|
||||
|
||||
pub fn upload(&mut self, content_type: &str, body: Body, path: &str) -> Result<Value, Error> {
|
||||
|
||||
let path = path.trim_matches('/');
|
||||
let url: Uri = format!("https://{}:8007/{}", self.server, path).parse()?;
|
||||
|
||||
let (ticket, token) = self.login()?;
|
||||
|
||||
let enc_ticket = percent_encode(ticket.as_bytes(), DEFAULT_ENCODE_SET).to_string();
|
||||
|
||||
let request = Request::builder()
|
||||
.method("POST")
|
||||
.uri(url)
|
||||
.header("User-Agent", "proxmox-backup-client/1.0")
|
||||
.header("Cookie", format!("PBSAuthCookie={}", enc_ticket))
|
||||
.header("CSRFPreventionToken", token)
|
||||
.header("Content-Type", content_type)
|
||||
.body(body)?;
|
||||
|
||||
Self::run_request(request)
|
||||
Ok(request)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue