forked from Deuxfleurs/garage
Merge pull request 'AWS signatures v4: don't actually check Content-Type is signed' (#745) from fix-signed-headers into main
Reviewed-on: Deuxfleurs/garage#745
This commit is contained in:
commit
70b9904e91
2 changed files with 9 additions and 14 deletions
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@ -81,11 +81,9 @@ if [ -z "$SKIP_AWS" ]; then
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echo "Invalid multipart upload"
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echo "Invalid multipart upload"
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exit 1
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exit 1
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fi
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fi
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aws s3api delete-object --bucket eprouvette --key upload
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fi
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fi
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echo "OK!!"
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exit 0
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# S3CMD
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# S3CMD
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if [ -z "$SKIP_S3CMD" ]; then
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if [ -z "$SKIP_S3CMD" ]; then
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echo "🛠️ Testing with s3cmd"
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echo "🛠️ Testing with s3cmd"
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@ -3,7 +3,7 @@ use std::convert::TryFrom;
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use chrono::{DateTime, Duration, NaiveDateTime, TimeZone, Utc};
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use chrono::{DateTime, Duration, NaiveDateTime, TimeZone, Utc};
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use hmac::Mac;
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use hmac::Mac;
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use hyper::header::{HeaderMap, HeaderName, HeaderValue, AUTHORIZATION, CONTENT_TYPE, HOST};
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use hyper::header::{HeaderMap, HeaderName, HeaderValue, AUTHORIZATION, HOST};
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use hyper::{body::Incoming as IncomingBody, Method, Request};
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use hyper::{body::Incoming as IncomingBody, Method, Request};
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use sha2::{Digest, Sha256};
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use sha2::{Digest, Sha256};
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@ -74,12 +74,13 @@ async fn check_standard_signature(
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let authorization = Authorization::parse_header(request.headers())?;
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let authorization = Authorization::parse_header(request.headers())?;
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// Verify that all necessary request headers are included in signed_headers
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// Verify that all necessary request headers are included in signed_headers
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// For standard AWSv4 signatures, the following must be included:
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// The following must be included for all signatures:
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// - the Host header (mandatory)
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// - the Host header (mandatory)
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// - the Content-Type header, if it is used in the request
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// - all x-amz-* headers used in the request
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// - all x-amz-* headers used in the request
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// AWS also indicates that the Content-Type header should be signed if
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// it is used, but Minio client doesn't sign it so we don't check it for compatibility.
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let signed_headers = split_signed_headers(&authorization)?;
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let signed_headers = split_signed_headers(&authorization)?;
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verify_signed_headers(request.headers(), &signed_headers, &[CONTENT_TYPE])?;
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verify_signed_headers(request.headers(), &signed_headers)?;
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let canonical_request = canonical_request(
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let canonical_request = canonical_request(
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service,
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service,
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@ -129,7 +130,7 @@ async fn check_presigned_signature(
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// - the Host header (mandatory)
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// - the Host header (mandatory)
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// - all x-amz-* headers used in the request
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// - all x-amz-* headers used in the request
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let signed_headers = split_signed_headers(&authorization)?;
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let signed_headers = split_signed_headers(&authorization)?;
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verify_signed_headers(request.headers(), &signed_headers, &[])?;
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verify_signed_headers(request.headers(), &signed_headers)?;
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// The X-Amz-Signature value is passed as a query parameter,
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// The X-Amz-Signature value is passed as a query parameter,
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// but the signature cannot be computed from a string that contains itself.
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// but the signature cannot be computed from a string that contains itself.
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@ -229,16 +230,12 @@ fn split_signed_headers(authorization: &Authorization) -> Result<Vec<HeaderName>
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Ok(signed_headers)
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Ok(signed_headers)
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}
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}
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fn verify_signed_headers(
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fn verify_signed_headers(headers: &HeaderMap, signed_headers: &[HeaderName]) -> Result<(), Error> {
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headers: &HeaderMap,
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signed_headers: &[HeaderName],
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extra_headers: &[HeaderName],
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) -> Result<(), Error> {
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if !signed_headers.contains(&HOST) {
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if !signed_headers.contains(&HOST) {
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return Err(Error::bad_request("Header `Host` should be signed"));
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return Err(Error::bad_request("Header `Host` should be signed"));
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}
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}
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for (name, _) in headers.iter() {
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for (name, _) in headers.iter() {
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if name.as_str().starts_with("x-amz-") || extra_headers.contains(name) {
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if name.as_str().starts_with("x-amz-") {
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if !signed_headers.contains(name) {
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if !signed_headers.contains(name) {
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return Err(Error::bad_request(format!(
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return Err(Error::bad_request(format!(
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"Header `{}` should be signed",
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"Header `{}` should be signed",
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