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Allow protocol relative URLs in CssLink Transformer

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This commit allows the use of "protcol relative URLs" (i.e. URLs without
scheme, starting with `//`), often used to serve resources automatically
from https or http with third party domains.

This syntax is allowed by RFC 3986.

Issue: SPR-12632
This commit is contained in:
Brian Clozel
2015-01-20 15:10:54 +01:00
parent bf7a9754d5
commit 028c0e8b80
3 changed files with 8 additions and 3 deletions
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3
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/CssLinkResourceTransformer.java
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@@ -123,7 +123,8 @@ public class CssLinkResourceTransformer extends ResourceTransformerSupport {
private boolean hasScheme(String link) {
int schemeIndex = link.indexOf(":");
return schemeIndex > 0 && !link.substring(0, schemeIndex).contains("/");
return (schemeIndex > 0 && !link.substring(0, schemeIndex).contains("/"))
|| link.indexOf("//") == 0;
}