Is there any way to redirect users from .raw.ic0.app to ic0.app

AdamS · May 23, 2022, 2:31pm

As with any other website, the Host header tells you what domain was requested. We already do this in the certified assets crate/canister:

github.com

dfinity/cdk-rs/blob/main/src/ic-certified-assets/src/state_machine.rs#L481-L490

      
        
            if name.eq_ignore_ascii_case("Host") {
                if let Some(replacement_url) = redirect_to_url(value, &req.url) {
                    return HttpResponse {
                        status_code: 308,
                        headers: vec![("Location".to_string(), replacement_url)],
                        body: RcBytes::from(ByteBuf::default()),
                        streaming_strategy: None,
                    };
                }
            }

github.com

dfinity/cdk-rs/blob/main/src/ic-certified-assets/src/state_machine.rs#L822-L832

      
        
            fn redirect_to_url(host: &str, url: &str) -> Option<String> {
                if let Some(host) = host.split(':').next() {
                    let host = host.trim();
                    if host == "raw.ic0.app" {
                        return Some(format!("https://ic0.app{}", url));
                    } else if let Some(base) = host.strip_suffix(".raw.ic0.app") {
                        return Some(format!("https://{}.ic0.app{}", base, url));
                    }
                }
                None
            }

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Is there any way to redirect users from .raw.ic0.app to ic0.app

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