[pbs-devel] [PATCH proxmox-backup v3 3/7] server/rest: add helper to extract compression headers

Dominik Csapak d.csapak at proxmox.com
Tue Apr 6 11:03:43 CEST 2021


for now we only extract 'deflate'

Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
 src/server/rest.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/server/rest.rs b/src/server/rest.rs
index 1cd26787..02258eab 100644
--- a/src/server/rest.rs
+++ b/src/server/rest.rs
@@ -39,6 +39,7 @@ use crate::api2::types::{Authid, Userid};
 use crate::auth_helpers::*;
 use crate::config::cached_user_info::CachedUserInfo;
 use crate::tools;
+use crate::tools::compression::CompressionMethod;
 use crate::tools::FileLogger;
 
 extern "C" {
@@ -587,6 +588,21 @@ fn extract_lang_header(headers: &http::HeaderMap) -> Option<String> {
     None
 }
 
+// FIXME: support handling multiple compression methods
+fn extract_compression_method(headers: &http::HeaderMap) -> Option<CompressionMethod> {
+    if let Some(raw_encoding) = headers.get(header::ACCEPT_ENCODING) {
+        if let Ok(encoding) = raw_encoding.to_str() {
+            for encoding in encoding.split(&[',', ' '][..]) {
+                if let Ok(method) = encoding.parse() {
+                    return Some(method);
+                }
+            }
+        }
+    }
+
+    None
+}
+
 async fn handle_request(
     api: Arc<ApiConfig>,
     req: Request<Body>,
-- 
2.20.1






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