heic-sys

src/s3_utils.rs

@@ -2,6 +2,7 @@ use actix_web::error::ErrorInternalServerError;
 use aws_sdk_s3::{error::SdkError, primitives::ByteStream, Client as S3Client};
 use mime_guess::mime;
 use std::str::FromStr;
+use infer::get;
 
 /// Загружает файл в S3 хранилище.
 pub async fn upload_to_s3(
@@ -101,4 +102,21 @@ pub async fn get_s3_filelist(client: &S3Client, bucket: &str) -> Vec<[std::strin
         }
     }
     filenames
+}
+
+pub fn detect_mime_type(bytes: &[u8]) -> Option<String> {
+    let kind = get(bytes)?;
+    Some(kind.mime_type().to_string())
+}
+
+pub fn get_extension_from_mime(mime_type: &str) -> Option<&str> {
+    match mime_type {
+        "image/jpeg" => Some("jpg"),
+        "image/png" => Some("png"),
+        "image/gif" => Some("gif"),
+        "image/webp" => Some("webp"),
+        "image/heic" => Some("heic"),
+        "image/tiff" => Some("tiff"),
+        _ => None
+    }
 }