s3-creds+sizes+postgen
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parent
70081f8bc0
commit
6791299fa4
186
src/main.rs
186
src/main.rs
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@ -3,11 +3,10 @@ use actix_web::{
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middleware::Logger,
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web, App, HttpRequest, HttpResponse, HttpServer, Result,
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};
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use aws_config::{load_defaults, BehaviorVersion};
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use aws_sdk_s3::{error::SdkError, operation::head_object::HeadObjectError, Client as S3Client};
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use aws_config::BehaviorVersion;
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use aws_sdk_s3::{config::Credentials, error::SdkError, Client as S3Client};
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use aws_sdk_s3::primitives::ByteStream;
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use image::DynamicImage;
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use image::imageops::FilterType;
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use image::{DynamicImage, imageops::FilterType};
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use mime_guess::MimeGuess;
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use redis::{aio::MultiplexedConnection, AsyncCommands};
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use redis::Client as RedisClient;
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@ -15,29 +14,63 @@ use std::env;
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use std::io::Cursor;
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use std::path::Path;
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const MAX_QUOTA_BYTES: u64 = 1024 * 1024 * 1024; // 1 GB per week
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const MAX_QUOTA_BYTES: u64 = 2 * 1024 * 1024 * 1024; // 2 GB per week
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#[derive(Clone)]
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struct AppState {
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redis: MultiplexedConnection, // Redis connection for managing quotas and file names
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s3_client: S3Client, // S3 client for uploading files
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s3_bucket: String, // S3 bucket name for storing files
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cdn_domain: String, // CDN domain for generating URLs
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redis: MultiplexedConnection,
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s3_client: S3Client,
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s3_bucket: String,
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cdn_domain: String,
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}
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// Generate a thumbnail for the image
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fn generate_thumbnail(image: &DynamicImage) -> Result<Vec<u8>, actix_web::Error> {
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let thumbnail = image.resize(320, 320, FilterType::Lanczos3); // Размер миниатюры 320x320
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impl AppState {
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async fn new() -> Self {
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let redis_url = env::var("REDIS_URL").expect("REDIS_URL must be set");
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let redis_client = RedisClient::open(redis_url).expect("Invalid Redis URL");
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let redis_connection = redis_client.get_multiplexed_async_connection().await.unwrap();
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let s3_access_key = env::var("STORJ_ACCESS_KEY").expect("STORJ_ACCESS_KEY must be set");
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let s3_secret_key = env::var("STORJ_SECRET_KEY").expect("STORJ_SECRET_KEY must be set");
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let s3_endpoint = env::var("STORJ_END_POINT").expect("STORJ_END_POINT must be set");
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let s3_bucket = env::var("STORJ_BUCKET_NAME").expect("STORJ_BUCKET_NAME must be set");
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let cdn_domain = env::var("CDN_DOMAIN").expect("CDN_DOMAIN must be set");
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let config = aws_config::defaults(BehaviorVersion::latest())
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.region("eu-west-1")
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.endpoint_url(s3_endpoint)
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.credentials_provider(Credentials::new(
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s3_access_key,
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s3_secret_key,
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None,
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None,
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"rust-s3-client",
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))
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.load()
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.await;
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let s3_client = S3Client::new(&config);
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AppState {
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redis: redis_connection,
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s3_client,
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s3_bucket,
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cdn_domain,
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}
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}
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}
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async fn generate_thumbnail(image: &DynamicImage, width: u32) -> Result<Vec<u8>, actix_web::Error> {
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let k = image.width() / width;
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let height = image.height() / k;
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let thumbnail = image.resize(width, height, FilterType::Lanczos3);
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let mut buffer = Vec::new();
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thumbnail
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.write_to(&mut Cursor::new(&mut buffer), image::ImageFormat::Jpeg)
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.map_err(|_| ErrorInternalServerError("Failed to generate thumbnail"))?;
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Ok(buffer)
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}
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// Upload the file to S3 and return the URL
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async fn upload_to_s3(
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s3_client: &S3Client,
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bucket: &str,
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@ -47,7 +80,6 @@ async fn upload_to_s3(
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cdn_domain: &str,
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) -> Result<String, actix_web::Error> {
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let body_stream = ByteStream::from(body);
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s3_client.put_object()
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.bucket(bucket)
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.key(key)
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@ -60,83 +92,65 @@ async fn upload_to_s3(
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Ok(format!("{}/{}", cdn_domain, key))
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}
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// Check if the original file exists in S3
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async fn check_file_exists(s3_client: &S3Client, bucket: &str, key: &str) -> Result<bool, SdkError<HeadObjectError>> {
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async fn check_file_exists(s3_client: &S3Client, bucket: &str, key: &str) -> Result<bool, actix_web::Error> {
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match s3_client.head_object().bucket(bucket).key(key).send().await {
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Ok(_) => Ok(true),
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Err(SdkError::ServiceError(service_error)) if service_error.err().is_not_found() => Ok(false),
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Err(e) => Err(e),
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Err(e) => Err(ErrorInternalServerError(e.to_string())),
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}
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}
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// Check and update the user's quota
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async fn check_and_update_quota(
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redis: &mut MultiplexedConnection,
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user_id: &str,
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file_size: u64,
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) -> Result<(), actix_web::Error> {
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let current_quota: u64 = redis.get(user_id).await.unwrap_or(0);
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if current_quota + file_size > MAX_QUOTA_BYTES {
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return Err(ErrorUnauthorized("Quota exceeded"));
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}
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redis.incr(user_id, file_size).await.map_err(|_| ErrorInternalServerError("Failed to update quota in Redis"))
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redis.incr(user_id, file_size).await.map_err(|_| ErrorInternalServerError("Failed to update quota in Redis"))?;
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Ok(())
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}
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async fn save_filename_in_redis(
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redis: &mut MultiplexedConnection,
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user_id: &str,
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filename: &str,
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) -> Result<(), actix_web::Error> {
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redis.sadd(user_id, filename).await.map_err(|_| ErrorInternalServerError("Failed to save filename in Redis"))?;
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Ok(())
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}
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// Proxy handler for serving static files and uploading them to S3
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async fn proxy_handler(
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req: HttpRequest,
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path: web::Path<String>,
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state: web::Data<AppState>,
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) -> Result<HttpResponse, actix_web::Error> {
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let token = req.headers().get("Authorization").and_then(|header_value| header_value.to_str().ok());
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// Validate token (implementation needed)
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if token.is_none() {
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return Err(ErrorUnauthorized("Unauthorized"));
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}
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let user_id = token.unwrap(); // Assuming the token is the user ID, adjust as necessary
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let user_id = token.unwrap(); // Assuming the token is the user ID
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// Load the file (implement your file loading logic)
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let file_path = path.into_inner();
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let mime_type = MimeGuess::from_path(&file_path).first_or_octet_stream();
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let extension = Path::new(&file_path)
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.extension()
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.and_then(|ext| ext.to_str())
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.unwrap_or("bin");
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let extension = Path::new(&file_path).extension().and_then(|ext| ext.to_str()).unwrap_or("bin");
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// Handle image files: generate thumbnail and upload both
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if mime_type.type_() == "image" {
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let image = image::open(&file_path).map_err(|_| ErrorInternalServerError("Failed to open image"))?;
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// Generate thumbnail
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let thumbnail_data = generate_thumbnail(&image)?;
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let thumbnail_key = format!("thumbnail_{}.{}", file_path, "jpg");
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// Define thumbnail sizes
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let thumbnail_sizes = vec![40, 110, 300, 600, 800];
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// Upload the thumbnail
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if let Err(_) = upload_to_s3(
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&state.s3_client,
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&state.s3_bucket,
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&thumbnail_key,
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thumbnail_data.clone(),
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"image/jpeg",
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&state.cdn_domain,
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).await {
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// If thumbnail upload fails, check if original exists
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let original_key = format!("{}.{}", file_path, extension);
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if check_file_exists(&state.s3_client, &state.s3_bucket, &original_key).await.unwrap_or_default() {
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// Generate and upload the thumbnail again
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let thumbnail_data = generate_thumbnail(&image)?;
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upload_to_s3(
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&state.s3_client,
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&state.s3_bucket,
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&thumbnail_key,
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thumbnail_data,
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"image/jpeg",
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&state.cdn_domain,
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).await?;
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for width in thumbnail_sizes {
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let thumbnail_key = format!("{}_{}.jpg", file_path, width);
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let thumbnail_data = generate_thumbnail(&image, width).await?;
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// Check if thumbnail already exists
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if !check_file_exists(&state.s3_client, &state.s3_bucket, &thumbnail_key).await? {
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upload_to_s3(&state.s3_client, &state.s3_bucket, &thumbnail_key, thumbnail_data, "image/jpeg", &state.cdn_domain).await?;
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}
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}
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@ -144,24 +158,16 @@ async fn proxy_handler(
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let mut original_buffer = Vec::new();
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image.write_to(&mut Cursor::new(&mut original_buffer), image::ImageFormat::Jpeg)
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.map_err(|_| ErrorInternalServerError("Failed to read image data"))?;
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// Upload the original image
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let image_key = format!("{}.{}", file_path, extension);
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let image_url = upload_to_s3(
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&state.s3_client,
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&state.s3_bucket,
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&image_key,
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original_buffer.clone(),
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mime_type.essence_str(),
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&state.cdn_domain,
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)
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.await?;
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let image_url = upload_to_s3(&state.s3_client, &state.s3_bucket, &image_key, original_buffer.clone(), mime_type.essence_str(), &state.cdn_domain).await?;
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// Update quota and save filename
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check_and_update_quota(&mut state.redis.clone(), user_id, original_buffer.len() as u64).await?;
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save_filename_in_redis(&mut state.redis.clone(), user_id, &image_key).await?;
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return Ok(HttpResponse::Ok().body(format!("Image and thumbnail uploaded to: {}", image_url)));
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return Ok(HttpResponse::Ok().body(format!("Image and thumbnails uploaded to: {}", image_url)));
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}
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// Handle non-image files
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@ -173,60 +179,24 @@ async fn proxy_handler(
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// Upload the file
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let file_key = format!("{}.{}", file_path, extension);
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let file_url = upload_to_s3(
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&state.s3_client,
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&state.s3_bucket,
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&file_key,
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file_data,
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mime_type.essence_str(),
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&state.cdn_domain,
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)
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.await?;
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let file_url = upload_to_s3(&state.s3_client, &state.s3_bucket, &file_key, file_data, mime_type.essence_str(), &state.cdn_domain).await?;
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// Save the filename in Redis for this user
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save_filename_in_redis(&mut state.redis.clone(), user_id, &file_key).await?;
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Ok(HttpResponse::Ok().body(format!("File uploaded to: {}", file_url)))
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}
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// Save filename in Redis for a specific user
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async fn save_filename_in_redis(
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redis: &mut MultiplexedConnection,
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user_id: &str,
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filename: &str,
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) -> Result<(), actix_web::Error> {
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redis.sadd(user_id, filename).await.map_err(|_| ErrorInternalServerError("Failed to save filename in Redis"))
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}
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// Main function to start the server
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#[actix_web::main]
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async fn main() -> std::io::Result<()> {
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let redis_url = env::var("REDIS_URL").expect("REDIS_URL must be set");
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let redis_client = RedisClient::open(redis_url).expect("Invalid Redis URL");
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let redis_connection = redis_client.get_multiplexed_async_connection().await.ok().unwrap();
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let app_state = AppState::new().await;
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// Initialize AWS S3 client
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let s3_bucket = env::var("S3_BUCKET").expect("S3_BUCKET must be set");
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let cdn_domain = env::var("CDN_DOMAIN").expect("CDN_DOMAIN must be set");
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let config = load_defaults(BehaviorVersion::latest()).await;
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let s3_client = S3Client::new(&config);
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// Create application state
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let app_state = web::Data::new(AppState {
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redis: redis_connection,
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s3_client,
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s3_bucket,
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cdn_domain,
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});
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// Start HTTP server
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HttpServer::new(move || {
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App::new()
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.app_data(app_state.clone())
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.app_data(web::Data::new(app_state.clone()))
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.wrap(Logger::default())
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.route("/{path:.*}", web::get().to(proxy_handler))
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})
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.bind("127.0.0.1:8080")?
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.run()
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.await
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}
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}
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