Files
vue-driven-cloud-storage/desktop-client/src-tauri/src/lib.rs

1615 lines
48 KiB
Rust

use reqwest::Method;
use reqwest::StatusCode;
use rusqlite::{params, Connection};
use serde::Serialize;
use serde_json::{Map, Value};
use std::env;
use std::fs;
use std::io::Write;
use std::io::{Read, Seek, SeekFrom};
#[cfg(target_os = "windows")]
use std::os::windows::process::CommandExt;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
use tauri::Emitter;
#[cfg(target_os = "windows")]
const CREATE_NO_WINDOW: u32 = 0x08000000;
struct ApiState {
client: reqwest::Client,
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
struct BridgeResponse {
ok: bool,
status: u16,
data: Value,
}
#[derive(Debug, Serialize, Clone)]
#[serde(rename_all = "camelCase")]
struct NativeDownloadProgressPayload {
task_id: String,
downloaded_bytes: u64,
total_bytes: Option<u64>,
progress: Option<f64>,
resumed_bytes: u64,
done: bool,
}
#[derive(Debug, Serialize, Clone)]
#[serde(rename_all = "camelCase")]
struct NativeUploadProgressPayload {
task_id: String,
uploaded_bytes: u64,
total_bytes: u64,
progress: f64,
done: bool,
}
fn emit_native_download_progress(
window: &tauri::WebviewWindow,
task_id: &str,
downloaded_bytes: u64,
total_bytes: Option<u64>,
resumed_bytes: u64,
done: bool,
) {
if task_id.trim().is_empty() {
return;
}
let progress = total_bytes
.filter(|total| *total > 0)
.map(|total| (downloaded_bytes as f64 / total as f64) * 100.0);
let payload = NativeDownloadProgressPayload {
task_id: task_id.to_string(),
downloaded_bytes,
total_bytes,
progress,
resumed_bytes,
done,
};
if let Err(err) = window.emit("native-download-progress", payload) {
eprintln!("emit native-download-progress failed: {}", err);
}
}
fn emit_native_upload_progress(
window: &tauri::WebviewWindow,
task_id: &str,
uploaded_bytes: u64,
total_bytes: u64,
done: bool,
) {
if task_id.trim().is_empty() {
return;
}
let normalized_total = total_bytes.max(1);
let progress = (uploaded_bytes as f64 / normalized_total as f64) * 100.0;
let payload = NativeUploadProgressPayload {
task_id: task_id.to_string(),
uploaded_bytes,
total_bytes,
progress,
done,
};
if let Err(err) = window.emit("native-upload-progress", payload) {
eprintln!("emit native-upload-progress failed: {}", err);
}
}
fn normalize_base_url(base_url: &str) -> String {
let trimmed = base_url.trim();
if trimmed.is_empty() {
return String::new();
}
trimmed.trim_end_matches('/').to_string()
}
fn join_api_url(base_url: &str, path: &str) -> String {
format!("{}{}", normalize_base_url(base_url), path)
}
fn sanitize_device_id_component(raw: &str) -> String {
let mut output = String::new();
let mut last_is_dash = false;
for ch in raw.chars() {
let normalized = ch.to_ascii_lowercase();
if normalized.is_ascii_alphanumeric() {
output.push(normalized);
last_is_dash = false;
} else if !last_is_dash {
output.push('-');
last_is_dash = true;
}
}
output.trim_matches('-').to_string()
}
fn build_desktop_client_meta() -> (String, String, String) {
let os = match env::consts::OS {
"windows" => "Windows",
"macos" => "macOS",
"linux" => "Linux",
other => other,
};
let platform = format!("{}-{}", os, env::consts::ARCH);
let host_name = env::var("COMPUTERNAME")
.or_else(|_| env::var("HOSTNAME"))
.unwrap_or_default();
let host_trimmed = host_name.trim();
let device_name = if host_trimmed.is_empty() {
format!("桌面客户端 · {}", platform)
} else {
format!("{} · {}", host_trimmed, platform)
};
let id_seed = if host_trimmed.is_empty() {
platform.clone()
} else {
format!("{}-{}", host_trimmed, platform)
};
let normalized = sanitize_device_id_component(&id_seed);
let device_id = if normalized.is_empty() {
"desktop-client".to_string()
} else {
format!("desktop-{}", normalized)
};
(platform, device_name, device_id)
}
fn fallback_json(status: StatusCode, text: &str) -> Value {
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(status.is_success()));
data.insert(
"message".to_string(),
Value::String(if text.trim().is_empty() {
format!("HTTP {}", status.as_u16())
} else {
text.to_string()
}),
);
Value::Object(data)
}
fn sanitize_file_name(name: &str) -> String {
let raw = name.trim();
let mut cleaned = String::with_capacity(raw.len());
for ch in raw.chars() {
if matches!(ch, '<' | '>' | ':' | '"' | '/' | '\\' | '|' | '?' | '*' | '\0') {
cleaned.push('_');
} else {
cleaned.push(ch);
}
}
let normalized = cleaned.trim().trim_matches('.').to_string();
if normalized.is_empty() {
"download.bin".to_string()
} else {
normalized
}
}
fn resolve_download_dir() -> PathBuf {
if let Some(home) = env::var_os("USERPROFILE") {
return PathBuf::from(home).join("Downloads");
}
if let Some(home) = env::var_os("HOME") {
return PathBuf::from(home).join("Downloads");
}
PathBuf::from(".")
}
fn split_file_name(name: &str) -> (String, String) {
if let Some(index) = name.rfind('.') {
if index > 0 && index < name.len() - 1 {
let stem = name[..index].to_string();
let ext = name[index + 1..].to_string();
return (stem, ext);
}
}
(name.to_string(), String::new())
}
fn alloc_download_path(download_dir: &Path, preferred_name: &str) -> PathBuf {
let safe_name = sanitize_file_name(preferred_name);
let first = download_dir.join(&safe_name);
if !first.exists() {
return first;
}
let (stem, ext) = split_file_name(&safe_name);
for index in 1..10000 {
let candidate_name = if ext.is_empty() {
format!("{} ({})", stem, index)
} else {
format!("{} ({}).{}", stem, index, ext)
};
let candidate = download_dir.join(candidate_name);
if !candidate.exists() {
return candidate;
}
}
first
}
fn build_download_resume_temp_path(download_dir: &Path, preferred_name: &str, url: &str) -> PathBuf {
let mut hasher = std::collections::hash_map::DefaultHasher::new();
use std::hash::{Hash, Hasher};
preferred_name.hash(&mut hasher);
url.hash(&mut hasher);
let digest = format!("{:016x}", hasher.finish());
let safe_name = sanitize_file_name(preferred_name);
let temp_name = format!(".{}.{}.part", safe_name, digest);
download_dir.join(temp_name)
}
fn resolve_local_state_dir() -> PathBuf {
if let Some(appdata) = env::var_os("APPDATA") {
return PathBuf::from(appdata).join("wanwan-cloud-desktop");
}
if let Some(home) = env::var_os("HOME") {
return PathBuf::from(home).join(".wanwan-cloud-desktop");
}
PathBuf::from(".").join(".wanwan-cloud-desktop")
}
fn open_local_state_db() -> Result<Connection, String> {
let state_dir = resolve_local_state_dir();
fs::create_dir_all(&state_dir).map_err(|err| format!("创建本地状态目录失败: {}", err))?;
let db_path = state_dir.join("client_state.db");
let conn = Connection::open(db_path).map_err(|err| format!("打开本地状态数据库失败: {}", err))?;
conn.execute(
"CREATE TABLE IF NOT EXISTS login_state (
id INTEGER PRIMARY KEY CHECK (id = 1),
base_url TEXT NOT NULL,
username TEXT NOT NULL,
password TEXT NOT NULL,
updated_at INTEGER NOT NULL
)",
[],
)
.map_err(|err| format!("初始化本地状态表失败: {}", err))?;
Ok(conn)
}
fn save_login_state_record(base_url: &str, username: &str, password: &str) -> Result<(), String> {
let conn = open_local_state_db()?;
let now = SystemTime::now()
.duration_since(UNIX_EPOCH)
.map(|duration| duration.as_secs() as i64)
.unwrap_or_default();
conn.execute(
"INSERT INTO login_state (id, base_url, username, password, updated_at)
VALUES (1, ?1, ?2, ?3, ?4)
ON CONFLICT(id) DO UPDATE SET
base_url = excluded.base_url,
username = excluded.username,
password = excluded.password,
updated_at = excluded.updated_at",
params![base_url, username, password, now],
)
.map_err(|err| format!("保存登录状态失败: {}", err))?;
Ok(())
}
fn load_login_state_record() -> Result<Option<(String, String, String)>, String> {
let conn = open_local_state_db()?;
let mut stmt = conn
.prepare("SELECT base_url, username, password FROM login_state WHERE id = 1 LIMIT 1")
.map_err(|err| format!("读取登录状态失败: {}", err))?;
let row = stmt.query_row([], |record| {
Ok((
record.get::<_, String>(0)?,
record.get::<_, String>(1)?,
record.get::<_, String>(2)?,
))
});
match row {
Ok(value) => Ok(Some(value)),
Err(rusqlite::Error::QueryReturnedNoRows) => Ok(None),
Err(err) => Err(format!("读取登录状态失败: {}", err)),
}
}
fn clear_login_state_record() -> Result<(), String> {
let conn = open_local_state_db()?;
conn.execute("DELETE FROM login_state WHERE id = 1", [])
.map_err(|err| format!("清除登录状态失败: {}", err))?;
Ok(())
}
async fn parse_response_as_bridge(response: reqwest::Response) -> Result<BridgeResponse, String> {
let status = response.status();
let text = response
.text()
.await
.map_err(|err| format!("读取响应失败: {}", err))?;
let data = match serde_json::from_str::<Value>(&text) {
Ok(parsed) => parsed,
Err(_) => fallback_json(status, &text),
};
Ok(BridgeResponse {
ok: status.is_success(),
status: status.as_u16(),
data,
})
}
async fn request_json(
client: &reqwest::Client,
method: Method,
url: String,
body: Option<Value>,
csrf_token: Option<String>,
) -> Result<BridgeResponse, String> {
if url.is_empty() {
return Err("API 地址不能为空".to_string());
}
let mut request = client
.request(method, &url)
.header("Accept", "application/json")
.header("Content-Type", "application/json");
if let Some(csrf) = csrf_token {
request = request.header("X-CSRF-Token", csrf);
}
if let Some(payload) = body {
request = request.json(&payload);
}
let response = request
.send()
.await
.map_err(|err| format!("请求失败: {}", err))?;
let status = response.status();
let text = response
.text()
.await
.map_err(|err| format!("读取响应失败: {}", err))?;
let data = match serde_json::from_str::<Value>(&text) {
Ok(parsed) => parsed,
Err(_) => fallback_json(status, &text),
};
Ok(BridgeResponse {
ok: status.is_success(),
status: status.as_u16(),
data,
})
}
async fn fetch_csrf_token(client: &reqwest::Client, base_url: &str) -> Result<Option<String>, String> {
let response = request_json(
client,
Method::GET,
join_api_url(base_url, "/api/csrf-token"),
None,
None,
)
.await?;
let token = response
.data
.get("csrfToken")
.and_then(Value::as_str)
.map(|v| v.to_string());
Ok(token)
}
async fn request_with_optional_csrf(
client: &reqwest::Client,
method: Method,
base_url: &str,
path: &str,
body: Option<Value>,
need_csrf: bool,
) -> Result<BridgeResponse, String> {
let csrf_token = if need_csrf {
fetch_csrf_token(client, base_url).await?
} else {
None
};
request_json(
client,
method,
join_api_url(base_url, path),
body,
csrf_token,
)
.await
}
#[tauri::command]
async fn api_login(
state: tauri::State<'_, ApiState>,
base_url: String,
username: String,
password: String,
captcha: Option<String>,
) -> Result<BridgeResponse, String> {
let (platform, device_name, device_id) = build_desktop_client_meta();
let mut body = Map::new();
body.insert("username".to_string(), Value::String(username));
body.insert("password".to_string(), Value::String(password));
body.insert("client_type".to_string(), Value::String("desktop".to_string()));
body.insert("platform".to_string(), Value::String(platform));
body.insert("device_name".to_string(), Value::String(device_name));
body.insert("device_id".to_string(), Value::String(device_id));
if let Some(value) = captcha {
if !value.trim().is_empty() {
body.insert("captcha".to_string(), Value::String(value));
}
}
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/login",
Some(Value::Object(body)),
false,
)
.await
}
#[tauri::command]
async fn api_get_profile(
state: tauri::State<'_, ApiState>,
base_url: String,
) -> Result<BridgeResponse, String> {
request_with_optional_csrf(
&state.client,
Method::GET,
&base_url,
"/api/user/profile",
None,
false,
)
.await
}
#[tauri::command]
async fn api_list_online_devices(
state: tauri::State<'_, ApiState>,
base_url: String,
) -> Result<BridgeResponse, String> {
request_with_optional_csrf(
&state.client,
Method::GET,
&base_url,
"/api/user/online-devices",
None,
false,
)
.await
}
#[tauri::command]
async fn api_kick_online_device(
state: tauri::State<'_, ApiState>,
base_url: String,
session_id: String,
) -> Result<BridgeResponse, String> {
let session = session_id.trim().to_string();
if session.is_empty() {
return Err("会话标识不能为空".to_string());
}
if session.len() > 128 {
return Err("会话标识长度无效".to_string());
}
let api_path = format!(
"/api/user/online-devices/{}/kick",
urlencoding::encode(&session)
);
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
&api_path,
Some(Value::Object(Map::new())),
true,
)
.await
}
#[tauri::command]
fn api_save_login_state(
base_url: String,
username: String,
password: String,
) -> Result<BridgeResponse, String> {
let normalized_base = normalize_base_url(&base_url);
let normalized_user = username.trim().to_string();
if normalized_base.is_empty() {
return Err("服务地址不能为空".to_string());
}
if normalized_user.is_empty() {
return Err("用户名不能为空".to_string());
}
if password.trim().is_empty() {
return Err("密码不能为空".to_string());
}
save_login_state_record(&normalized_base, &normalized_user, &password)?;
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert("message".to_string(), Value::String("登录状态已保存".to_string()));
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
fn api_load_login_state() -> Result<BridgeResponse, String> {
let state = load_login_state_record()?;
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
if let Some((base_url, username, password)) = state {
data.insert("hasState".to_string(), Value::Bool(true));
data.insert("baseUrl".to_string(), Value::String(base_url));
data.insert("username".to_string(), Value::String(username));
data.insert("password".to_string(), Value::String(password));
} else {
data.insert("hasState".to_string(), Value::Bool(false));
}
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
fn api_clear_login_state() -> Result<BridgeResponse, String> {
clear_login_state_record()?;
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert("message".to_string(), Value::String("登录状态已清除".to_string()));
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
async fn api_list_files(
state: tauri::State<'_, ApiState>,
base_url: String,
path: String,
) -> Result<BridgeResponse, String> {
let normalized = if path.trim().is_empty() {
"/".to_string()
} else {
path
};
let encoded = urlencoding::encode(&normalized);
let api_url = format!("{}?path={}", join_api_url(&base_url, "/api/files"), encoded);
request_json(&state.client, Method::GET, api_url, None, None).await
}
#[tauri::command]
async fn api_logout(
state: tauri::State<'_, ApiState>,
base_url: String,
) -> Result<BridgeResponse, String> {
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/logout",
Some(Value::Object(Map::new())),
true,
)
.await
}
#[tauri::command]
async fn api_search_files(
state: tauri::State<'_, ApiState>,
base_url: String,
path: String,
keyword: String,
search_type: Option<String>,
limit: Option<u32>,
) -> Result<BridgeResponse, String> {
let normalized_path = if path.trim().is_empty() {
"/".to_string()
} else {
path
};
let kind = search_type
.unwrap_or_else(|| "all".to_string())
.trim()
.to_string();
let max_limit = limit.unwrap_or(100).clamp(1, 500);
let api_url = format!(
"{}?path={}&keyword={}&type={}&limit={}",
join_api_url(&base_url, "/api/files/search"),
urlencoding::encode(&normalized_path),
urlencoding::encode(&keyword),
urlencoding::encode(&kind),
max_limit
);
request_json(&state.client, Method::GET, api_url, None, None).await
}
#[tauri::command]
async fn api_mkdir(
state: tauri::State<'_, ApiState>,
base_url: String,
path: String,
folder_name: String,
) -> Result<BridgeResponse, String> {
let mut body = Map::new();
body.insert("path".to_string(), Value::String(path));
body.insert("folderName".to_string(), Value::String(folder_name));
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/files/mkdir",
Some(Value::Object(body)),
true,
)
.await
}
#[tauri::command]
async fn api_rename_file(
state: tauri::State<'_, ApiState>,
base_url: String,
path: String,
old_name: String,
new_name: String,
) -> Result<BridgeResponse, String> {
let mut body = Map::new();
body.insert("path".to_string(), Value::String(path));
body.insert("oldName".to_string(), Value::String(old_name));
body.insert("newName".to_string(), Value::String(new_name));
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/files/rename",
Some(Value::Object(body)),
true,
)
.await
}
#[tauri::command]
async fn api_delete_file(
state: tauri::State<'_, ApiState>,
base_url: String,
path: String,
file_name: String,
) -> Result<BridgeResponse, String> {
let mut body = Map::new();
body.insert("path".to_string(), Value::String(path));
body.insert("fileName".to_string(), Value::String(file_name));
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/files/delete",
Some(Value::Object(body)),
true,
)
.await
}
#[tauri::command]
async fn api_get_download_url(
state: tauri::State<'_, ApiState>,
base_url: String,
path: String,
mode: Option<String>,
) -> Result<BridgeResponse, String> {
let normalized_mode = mode.unwrap_or_else(|| "download".to_string());
let api_url = format!(
"{}?path={}&mode={}",
join_api_url(&base_url, "/api/files/download-url"),
urlencoding::encode(&path),
urlencoding::encode(&normalized_mode)
);
request_json(&state.client, Method::GET, api_url, None, None).await
}
#[tauri::command]
async fn api_get_my_shares(
state: tauri::State<'_, ApiState>,
base_url: String,
) -> Result<BridgeResponse, String> {
request_with_optional_csrf(
&state.client,
Method::GET,
&base_url,
"/api/share/my",
None,
false,
)
.await
}
#[tauri::command]
async fn api_create_share(
state: tauri::State<'_, ApiState>,
base_url: String,
share_type: String,
file_path: String,
file_name: Option<String>,
password: Option<String>,
expiry_days: Option<i32>,
) -> Result<BridgeResponse, String> {
let mut body = Map::new();
body.insert("share_type".to_string(), Value::String(share_type));
body.insert("file_path".to_string(), Value::String(file_path));
if let Some(name) = file_name {
if !name.trim().is_empty() {
body.insert("file_name".to_string(), Value::String(name.trim().to_string()));
}
}
if let Some(raw_password) = password {
let value = raw_password.trim();
if value.is_empty() {
body.insert("password".to_string(), Value::Null);
} else {
body.insert("password".to_string(), Value::String(value.to_string()));
}
}
if let Some(days) = expiry_days {
if days > 0 {
body.insert("expiry_days".to_string(), Value::Number(days.into()));
} else {
body.insert("expiry_days".to_string(), Value::Null);
}
} else {
body.insert("expiry_days".to_string(), Value::Null);
}
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/share/create",
Some(Value::Object(body)),
true,
)
.await
}
#[tauri::command]
async fn api_delete_share(
state: tauri::State<'_, ApiState>,
base_url: String,
share_id: u64,
) -> Result<BridgeResponse, String> {
if share_id == 0 {
return Err("无效的分享ID".to_string());
}
let csrf_token = fetch_csrf_token(&state.client, &base_url).await?;
let path = format!("/api/share/{}", share_id);
request_json(
&state.client,
Method::DELETE,
join_api_url(&base_url, &path),
None,
csrf_token,
)
.await
}
#[tauri::command]
async fn api_create_direct_link(
state: tauri::State<'_, ApiState>,
base_url: String,
file_path: String,
file_name: Option<String>,
expiry_days: Option<i32>,
) -> Result<BridgeResponse, String> {
let mut body = Map::new();
body.insert("file_path".to_string(), Value::String(file_path));
if let Some(name) = file_name {
if !name.trim().is_empty() {
body.insert("file_name".to_string(), Value::String(name.trim().to_string()));
}
}
if let Some(days) = expiry_days {
if days > 0 {
body.insert("expiry_days".to_string(), Value::Number(days.into()));
} else {
body.insert("expiry_days".to_string(), Value::Null);
}
} else {
body.insert("expiry_days".to_string(), Value::Null);
}
request_with_optional_csrf(
&state.client,
Method::POST,
&base_url,
"/api/direct-link/create",
Some(Value::Object(body)),
true,
)
.await
}
#[tauri::command]
async fn api_native_download(
state: tauri::State<'_, ApiState>,
window: tauri::WebviewWindow,
url: String,
file_name: Option<String>,
task_id: Option<String>,
) -> Result<BridgeResponse, String> {
let trimmed_url = url.trim().to_string();
if trimmed_url.is_empty() {
return Err("下载地址不能为空".to_string());
}
let preferred_name = file_name
.as_deref()
.map(|name| name.trim())
.filter(|name| !name.is_empty())
.unwrap_or("download.bin");
let download_dir = resolve_download_dir();
if !download_dir.exists() {
fs::create_dir_all(&download_dir)
.map_err(|err| format!("创建下载目录失败: {}", err))?;
}
let resume_temp_path = build_download_resume_temp_path(&download_dir, preferred_name, &trimmed_url);
let existing_size = if resume_temp_path.exists() {
fs::metadata(&resume_temp_path)
.ok()
.map(|meta| meta.len())
.unwrap_or(0)
} else {
0
};
let mut request = state.client.get(&trimmed_url);
if existing_size > 0 {
request = request.header("Range", format!("bytes={}-", existing_size));
}
let response = request
.send()
.await
.map_err(|err| format!("下载请求失败: {}", err))?;
let status = response.status();
if status == reqwest::StatusCode::RANGE_NOT_SATISFIABLE && existing_size > 0 {
let save_path = alloc_download_path(&download_dir, preferred_name);
fs::rename(&resume_temp_path, &save_path)
.map_err(|err| format!("完成断点下载失败: {}", err))?;
if let Some(ref id) = task_id {
emit_native_download_progress(
&window,
id,
existing_size,
Some(existing_size),
existing_size,
true,
);
}
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert(
"savePath".to_string(),
Value::String(save_path.to_string_lossy().to_string()),
);
data.insert(
"downloadedBytes".to_string(),
Value::Number(serde_json::Number::from(existing_size)),
);
data.insert(
"resumedBytes".to_string(),
Value::Number(serde_json::Number::from(existing_size)),
);
return Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
});
}
if !status.is_success() {
return Ok(BridgeResponse {
ok: false,
status: status.as_u16(),
data: fallback_json(status, "下载失败"),
});
}
let append_mode = existing_size > 0 && status == reqwest::StatusCode::PARTIAL_CONTENT;
let total_bytes = if append_mode {
response
.content_length()
.map(|remaining| remaining.saturating_add(existing_size))
} else {
response.content_length()
};
let resumed_bytes = if append_mode { existing_size } else { 0 };
if let Some(ref id) = task_id {
emit_native_download_progress(
&window,
id,
if append_mode { existing_size } else { 0 },
total_bytes,
resumed_bytes,
false,
);
}
if !append_mode && resume_temp_path.exists() {
fs::remove_file(&resume_temp_path)
.map_err(|err| format!("重置断点下载文件失败: {}", err))?;
}
let mut target_file = fs::OpenOptions::new()
.create(true)
.write(true)
.append(append_mode)
.truncate(!append_mode)
.open(&resume_temp_path)
.map_err(|err| format!("创建文件失败: {}", err))?;
let mut downloaded_bytes: u64 = if append_mode { existing_size } else { 0 };
let mut stream = response;
let mut last_emit = Instant::now();
while let Some(chunk) = stream
.chunk()
.await
.map_err(|err| format!("读取下载流失败: {}", err))?
{
target_file
.write_all(&chunk)
.map_err(|err| format!("写入文件失败: {}", err))?;
downloaded_bytes += chunk.len() as u64;
if let Some(ref id) = task_id {
if last_emit.elapsed() >= Duration::from_millis(120) {
emit_native_download_progress(
&window,
id,
downloaded_bytes,
total_bytes,
resumed_bytes,
false,
);
last_emit = Instant::now();
}
}
}
target_file
.flush()
.map_err(|err| format!("刷新文件失败: {}", err))?;
let save_path = alloc_download_path(&download_dir, preferred_name);
fs::rename(&resume_temp_path, &save_path)
.map_err(|err| format!("保存下载文件失败: {}", err))?;
if let Some(ref id) = task_id {
emit_native_download_progress(
&window,
id,
downloaded_bytes,
total_bytes.or(Some(downloaded_bytes)),
resumed_bytes,
true,
);
}
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert(
"savePath".to_string(),
Value::String(save_path.to_string_lossy().to_string()),
);
data.insert(
"downloadedBytes".to_string(),
Value::Number(serde_json::Number::from(downloaded_bytes)),
);
data.insert(
"resumedBytes".to_string(),
Value::Number(serde_json::Number::from(if append_mode { existing_size } else { 0 })),
);
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
fn api_launch_installer(installer_path: String) -> Result<BridgeResponse, String> {
let path_text = installer_path.trim().to_string();
if path_text.is_empty() {
return Err("安装包路径不能为空".to_string());
}
let installer = PathBuf::from(&path_text);
if !installer.exists() {
return Err("安装包不存在,请重新下载".to_string());
}
if !installer.is_file() {
return Err("安装包路径无效".to_string());
}
#[cfg(target_os = "windows")]
let spawn_result = Command::new(&installer).spawn();
#[cfg(target_os = "macos")]
let spawn_result = Command::new("open").arg(&installer).spawn();
#[cfg(all(not(target_os = "windows"), not(target_os = "macos")))]
let spawn_result = Command::new("xdg-open").arg(&installer).spawn();
spawn_result.map_err(|err| format!("启动安装程序失败: {}", err))?;
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert("message".to_string(), Value::String("安装程序已启动".to_string()));
data.insert("installerPath".to_string(), Value::String(path_text));
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
fn api_silent_install_and_restart(installer_path: String) -> Result<BridgeResponse, String> {
let path_text = installer_path.trim().to_string();
if path_text.is_empty() {
return Err("安装包路径不能为空".to_string());
}
let installer = PathBuf::from(&path_text);
if !installer.exists() {
return Err("安装包不存在,请重新下载".to_string());
}
if !installer.is_file() {
return Err("安装包路径无效".to_string());
}
#[cfg(target_os = "windows")]
{
let current_exe = env::current_exe().map_err(|err| format!("获取当前程序路径失败: {}", err))?;
let temp_dir = env::temp_dir().join("wanwan-cloud-desktop");
fs::create_dir_all(&temp_dir).map_err(|err| format!("创建更新脚本目录失败: {}", err))?;
let script_stamp = SystemTime::now()
.duration_since(UNIX_EPOCH)
.map(|duration| duration.as_millis())
.unwrap_or_default();
let script_path = temp_dir.join(format!("silent-update-{}.cmd", script_stamp));
let installer_text = installer.to_string_lossy().replace('"', "\"\"");
let app_text = current_exe.to_string_lossy().replace('"', "\"\"");
let script_content = format!(
"@echo off\r\n\
setlocal enableextensions\r\n\
set \"INSTALLER={installer}\"\r\n\
set \"APP_EXE={app_exe}\"\r\n\
if not exist \"%INSTALLER%\" exit /b 1\r\n\
timeout /t 2 /nobreak >nul\r\n\
start \"\" /wait \"%INSTALLER%\" /S\r\n\
if exist \"%APP_EXE%\" start \"\" \"%APP_EXE%\"\r\n\
del \"%~f0\" >nul 2>nul\r\n",
installer = installer_text,
app_exe = app_text
);
fs::write(&script_path, script_content).map_err(|err| format!("写入更新脚本失败: {}", err))?;
let script_arg = format!("\"{}\"", script_path.to_string_lossy().replace('\"', "\"\""));
let mut updater_cmd = Command::new("cmd");
updater_cmd
.args(["/D", "/C", &script_arg])
.current_dir(&temp_dir)
.creation_flags(CREATE_NO_WINDOW)
.spawn()
.map_err(|err| format!("启动静默更新流程失败: {}", err))?;
}
#[cfg(not(target_os = "windows"))]
{
#[cfg(target_os = "macos")]
let spawn_result = Command::new("open").arg(&installer).spawn();
#[cfg(all(not(target_os = "windows"), not(target_os = "macos")))]
let spawn_result = Command::new("xdg-open").arg(&installer).spawn();
spawn_result.map_err(|err| format!("启动安装程序失败: {}", err))?;
}
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert(
"message".to_string(),
Value::String("静默安装流程已启动,安装完成后将自动重启".to_string()),
);
data.insert("installerPath".to_string(), Value::String(path_text));
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
async fn api_check_client_update(
state: tauri::State<'_, ApiState>,
base_url: String,
current_version: String,
platform: Option<String>,
channel: Option<String>,
) -> Result<BridgeResponse, String> {
let normalized_platform = platform
.unwrap_or_else(|| "windows-x64".to_string())
.trim()
.to_string();
let normalized_channel = channel
.unwrap_or_else(|| "stable".to_string())
.trim()
.to_string();
let api_url = format!(
"{}?currentVersion={}&platform={}&channel={}",
join_api_url(&base_url, "/api/client/desktop-update"),
urlencoding::encode(current_version.trim()),
urlencoding::encode(&normalized_platform),
urlencoding::encode(&normalized_channel)
);
request_json(&state.client, Method::GET, api_url, None, None).await
}
#[tauri::command]
async fn api_list_local_files(dir_path: String) -> Result<BridgeResponse, String> {
let trimmed = dir_path.trim().to_string();
if trimmed.is_empty() {
return Err("本地目录不能为空".to_string());
}
let root = PathBuf::from(&trimmed);
if !root.exists() {
return Err("本地目录不存在".to_string());
}
if !root.is_dir() {
return Err("请选择有效的目录路径".to_string());
}
let mut items: Vec<Value> = Vec::new();
for entry in walkdir::WalkDir::new(&root)
.follow_links(false)
.into_iter()
.filter_map(Result::ok)
{
if !entry.file_type().is_file() {
continue;
}
let full_path = entry.path();
let relative = full_path.strip_prefix(&root).unwrap_or(full_path);
let relative_path = relative.to_string_lossy().replace('\\', "/");
if relative_path.trim().is_empty() {
continue;
}
let metadata = match entry.metadata() {
Ok(meta) => meta,
Err(_) => continue,
};
let modified_ms_u128 = metadata
.modified()
.ok()
.and_then(|value| value.duration_since(UNIX_EPOCH).ok())
.map(|duration| duration.as_millis())
.unwrap_or(0);
let modified_ms = std::cmp::min(modified_ms_u128, u128::from(u64::MAX)) as u64;
let mut row = Map::new();
row.insert(
"path".to_string(),
Value::String(full_path.to_string_lossy().to_string()),
);
row.insert("relativePath".to_string(), Value::String(relative_path));
row.insert(
"size".to_string(),
Value::Number(serde_json::Number::from(metadata.len())),
);
row.insert(
"modifiedMs".to_string(),
Value::Number(serde_json::Number::from(modified_ms)),
);
items.push(Value::Object(row));
}
items.sort_by(|a, b| {
let av = a
.get("relativePath")
.and_then(Value::as_str)
.unwrap_or_default();
let bv = b
.get("relativePath")
.and_then(Value::as_str)
.unwrap_or_default();
av.cmp(bv)
});
let mut data = Map::new();
data.insert("success".to_string(), Value::Bool(true));
data.insert("rootPath".to_string(), Value::String(trimmed));
data.insert(
"count".to_string(),
Value::Number(serde_json::Number::from(items.len() as u64)),
);
data.insert("items".to_string(), Value::Array(items));
Ok(BridgeResponse {
ok: true,
status: 200,
data: Value::Object(data),
})
}
#[tauri::command]
async fn api_upload_file_resumable(
state: tauri::State<'_, ApiState>,
window: tauri::WebviewWindow,
base_url: String,
file_path: String,
target_path: String,
chunk_size: Option<u64>,
task_id: Option<String>,
) -> Result<BridgeResponse, String> {
let trimmed_path = file_path.trim().to_string();
if trimmed_path.is_empty() {
return Err("上传文件路径不能为空".to_string());
}
let source_path = PathBuf::from(&trimmed_path);
if !source_path.exists() {
return Err("上传文件不存在".to_string());
}
if !source_path.is_file() {
return Err("仅支持上传文件,不支持文件夹".to_string());
}
let metadata = fs::metadata(&source_path).map_err(|err| format!("读取文件信息失败: {}", err))?;
let file_size = metadata.len();
if file_size == 0 {
return Err("空文件不支持分片上传".to_string());
}
let file_name = source_path
.file_name()
.and_then(|name| name.to_str())
.map(|name| name.to_string())
.ok_or_else(|| "无法识别文件名".to_string())?;
let normalized_target = if target_path.trim().is_empty() {
"/".to_string()
} else {
target_path
};
let effective_chunk = chunk_size.unwrap_or(4 * 1024 * 1024).clamp(256 * 1024, 32 * 1024 * 1024);
let csrf_token = fetch_csrf_token(&state.client, &base_url).await?;
let mut init_body = Map::new();
init_body.insert("filename".to_string(), Value::String(file_name.clone()));
init_body.insert("path".to_string(), Value::String(normalized_target));
init_body.insert(
"size".to_string(),
Value::Number(serde_json::Number::from(file_size)),
);
init_body.insert(
"chunk_size".to_string(),
Value::Number(serde_json::Number::from(effective_chunk)),
);
let init_resp = request_json(
&state.client,
Method::POST,
join_api_url(&base_url, "/api/upload/resumable/init"),
Some(Value::Object(init_body)),
csrf_token.clone(),
)
.await?;
if !init_resp.ok || !init_resp.data.get("success").and_then(Value::as_bool).unwrap_or(false) {
return Ok(init_resp);
}
let session_id = init_resp
.data
.get("session_id")
.and_then(Value::as_str)
.map(|v| v.trim().to_string())
.filter(|v| !v.is_empty())
.ok_or_else(|| "分片上传会话创建失败".to_string())?;
let server_chunk_size = init_resp
.data
.get("chunk_size")
.and_then(Value::as_u64)
.unwrap_or(effective_chunk)
.max(1);
let total_chunks = init_resp
.data
.get("total_chunks")
.and_then(Value::as_u64)
.unwrap_or_else(|| ((file_size + server_chunk_size - 1) / server_chunk_size).max(1));
let uploaded_chunks: std::collections::HashSet<u64> = init_resp
.data
.get("uploaded_chunks")
.and_then(Value::as_array)
.map(|arr| {
arr.iter()
.filter_map(Value::as_u64)
.collect::<std::collections::HashSet<u64>>()
})
.unwrap_or_default();
let mut uploaded_bytes = uploaded_chunks.iter().fold(0_u64, |sum, chunk_index| {
let offset = chunk_index.saturating_mul(server_chunk_size);
let remaining = file_size.saturating_sub(offset);
let bytes = std::cmp::min(remaining, server_chunk_size);
sum.saturating_add(bytes)
});
if let Some(ref id) = task_id {
emit_native_upload_progress(&window, id, uploaded_bytes, file_size, false);
}
let mut source = fs::File::open(&source_path).map_err(|err| format!("打开文件失败: {}", err))?;
let mut last_emit = Instant::now();
for chunk_index in 0..total_chunks {
if uploaded_chunks.contains(&chunk_index) {
continue;
}
let offset = chunk_index * server_chunk_size;
let remaining = file_size.saturating_sub(offset);
if remaining == 0 {
break;
}
let read_size = std::cmp::min(remaining, server_chunk_size) as usize;
source
.seek(SeekFrom::Start(offset))
.map_err(|err| format!("读取分片失败: {}", err))?;
let mut buf = vec![0_u8; read_size];
source
.read_exact(&mut buf)
.map_err(|err| format!("读取分片失败: {}", err))?;
let chunk_part_name = format!("{}.part{}", file_name, chunk_index);
let multipart = reqwest::multipart::Form::new()
.text("session_id", session_id.clone())
.text("chunk_index", chunk_index.to_string())
.part(
"chunk",
reqwest::multipart::Part::bytes(buf).file_name(chunk_part_name),
);
let mut request = state
.client
.post(join_api_url(&base_url, "/api/upload/resumable/chunk"))
.header("Accept", "application/json")
.timeout(Duration::from_secs(60 * 10))
.multipart(multipart);
if let Some(token) = csrf_token.clone() {
request = request.header("X-CSRF-Token", token);
}
let chunk_resp = request
.send()
.await
.map_err(|err| format!("上传分片失败: {}", err))?;
let chunk_bridge = parse_response_as_bridge(chunk_resp).await?;
if !chunk_bridge.ok || !chunk_bridge.data.get("success").and_then(Value::as_bool).unwrap_or(false) {
return Ok(chunk_bridge);
}
uploaded_bytes = uploaded_bytes.saturating_add(read_size as u64).min(file_size);
if let Some(ref id) = task_id {
if last_emit.elapsed() >= Duration::from_millis(120) {
emit_native_upload_progress(&window, id, uploaded_bytes, file_size, false);
last_emit = Instant::now();
}
}
}
let mut complete_body = Map::new();
complete_body.insert("session_id".to_string(), Value::String(session_id));
let complete_resp = request_json(
&state.client,
Method::POST,
join_api_url(&base_url, "/api/upload/resumable/complete"),
Some(Value::Object(complete_body)),
csrf_token,
)
.await?;
if complete_resp.ok && complete_resp.data.get("success").and_then(Value::as_bool).unwrap_or(false) {
if let Some(ref id) = task_id {
emit_native_upload_progress(&window, id, file_size, file_size, true);
}
}
Ok(complete_resp)
}
#[tauri::command]
async fn api_upload_file(
state: tauri::State<'_, ApiState>,
window: tauri::WebviewWindow,
base_url: String,
file_path: String,
target_path: String,
task_id: Option<String>,
) -> Result<BridgeResponse, String> {
let trimmed_path = file_path.trim().to_string();
if trimmed_path.is_empty() {
return Err("上传文件路径不能为空".to_string());
}
let source_path = PathBuf::from(trimmed_path);
if !source_path.exists() {
return Err("上传文件不存在".to_string());
}
if !source_path.is_file() {
return Err("仅支持上传文件,不支持文件夹".to_string());
}
let file_size = fs::metadata(&source_path)
.map(|meta| meta.len())
.unwrap_or(0);
let file_name = source_path
.file_name()
.and_then(|name| name.to_str())
.map(|name| name.to_string())
.ok_or_else(|| "无法识别文件名".to_string())?;
let normalized_target = if target_path.trim().is_empty() {
"/".to_string()
} else {
target_path
};
let csrf_token = fetch_csrf_token(&state.client, &base_url).await?;
let upload_url = join_api_url(&base_url, "/api/upload");
if upload_url.trim().is_empty() {
return Err("API 地址不能为空".to_string());
}
if let Some(ref id) = task_id {
emit_native_upload_progress(&window, id, 0, file_size.max(1), false);
}
// 使用流式 multipart 上传,避免大文件整块读入内存导致占用暴涨。
let file_part = reqwest::multipart::Part::file(&source_path)
.await
.map_err(|err| format!("读取文件失败: {}", err))?
.file_name(file_name);
let multipart = reqwest::multipart::Form::new()
.text("path", normalized_target)
.part("file", file_part);
let mut request = state
.client
.post(&upload_url)
.header("Accept", "application/json")
.timeout(Duration::from_secs(60 * 30))
.multipart(multipart);
if let Some(csrf) = csrf_token {
request = request.header("X-CSRF-Token", csrf);
}
let response = request
.send()
.await
.map_err(|err| format!("上传请求失败: {}", err))?;
let status = response.status();
let text = response
.text()
.await
.map_err(|err| format!("读取响应失败: {}", err))?;
let data = match serde_json::from_str::<Value>(&text) {
Ok(parsed) => parsed,
Err(_) => fallback_json(status, &text),
};
let success = status.is_success() && data.get("success").and_then(Value::as_bool).unwrap_or(false);
if success {
if let Some(ref id) = task_id {
emit_native_upload_progress(&window, id, file_size, file_size.max(1), true);
}
}
Ok(BridgeResponse {
ok: status.is_success(),
status: status.as_u16(),
data,
})
}
#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
let client = reqwest::Client::builder()
.cookie_store(true)
.timeout(Duration::from_secs(30))
.build()
.expect("failed to build reqwest client");
tauri::Builder::default()
.manage(ApiState { client })
.plugin(tauri_plugin_dialog::init())
.plugin(tauri_plugin_opener::init())
.invoke_handler(tauri::generate_handler![
api_login,
api_save_login_state,
api_load_login_state,
api_clear_login_state,
api_get_profile,
api_list_online_devices,
api_kick_online_device,
api_list_files,
api_logout,
api_search_files,
api_mkdir,
api_rename_file,
api_delete_file,
api_get_download_url,
api_get_my_shares,
api_create_share,
api_delete_share,
api_create_direct_link,
api_native_download,
api_launch_installer,
api_silent_install_and_restart,
api_check_client_update,
api_list_local_files,
api_upload_file_resumable,
api_upload_file
])
.run(tauri::generate_context!())
.expect("error while running tauri application");
}