73 lines
2.2 KiB
Rust
73 lines
2.2 KiB
Rust
use crate::connections::s3_connection;
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use crate::controllers::HttpResult;
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use crate::models::PhotoID;
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use crate::services::photos_service;
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use actix_web::http::header;
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use actix_web::{HttpRequest, HttpResponse, web};
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use std::ops::Add;
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use std::time::{Duration, UNIX_EPOCH};
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#[derive(serde::Deserialize)]
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pub struct PhotoIdPath {
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id: String,
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}
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pub async fn get_full_size(id: web::Path<PhotoIdPath>, req: HttpRequest) -> HttpResult {
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get_photo(&id, true, req).await
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}
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pub async fn get_thumbnail(id: web::Path<PhotoIdPath>, req: HttpRequest) -> HttpResult {
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get_photo(&id, false, req).await
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}
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async fn get_photo(id: &PhotoIdPath, full_size: bool, req: HttpRequest) -> HttpResult {
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let id = match PhotoID::from_signed_hash(&id.id) {
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None => {
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return Ok(HttpResponse::Unauthorized().body("Invalid hash"));
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}
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Some(p) => p,
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};
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let photo = photos_service::get_by_id(id).await?;
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let (hash, content_type) = match full_size {
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true => (photo.sha512.as_str(), photo.mime_type.as_str()),
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false => (photo.thumb_sha512.as_str(), "application/png"),
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};
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// Check if an upload is un-necessary
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if let Some(c) = req.headers().get(header::IF_NONE_MATCH)
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&& c.to_str().unwrap_or("") == hash {
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return Ok(HttpResponse::NotModified().finish());
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}
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if let Some(c) = req.headers().get(header::IF_MODIFIED_SINCE) {
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let date_str = c.to_str().unwrap_or("");
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if let Ok(date) = httpdate::parse_http_date(date_str)
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&& date
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.add(Duration::from_secs(1))
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.duration_since(UNIX_EPOCH)
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.unwrap()
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.as_secs()
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>= photo.time_create as u64
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{
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return Ok(HttpResponse::NotModified().finish());
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}
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}
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let bytes = s3_connection::get_file(&match full_size {
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true => photo.photo_path(),
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false => photo.thumbnail_path(),
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})
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.await?;
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Ok(HttpResponse::Ok()
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.content_type(content_type)
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.insert_header(("etag", hash))
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.insert_header((
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"last-modified",
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httpdate::fmt_http_date(UNIX_EPOCH + Duration::from_secs(photo.time_create as u64)),
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))
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.body(bytes))
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}
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