add temporary redirects and bad requests

src/types/response.rs

@@ -1,4 +1,7 @@
+use std::convert::TryInto;
+
 use anyhow::*;
+use uriparse::URIReference;
 use crate::types::{ResponseHeader, Body, Mime, Document};
 use crate::util::Cowy;
 use crate::GEMINI_MIME;
@@ -35,6 +38,11 @@ impl Response {
         Self::new(header)
     }
 
+    pub fn redirect_temporary_lossy<'a>(location: impl TryInto<URIReference<'a>>) -> Self {
+        let header = ResponseHeader::redirect_temporary_lossy(location);
+        Self::new(header)
+    }
+
     /// Create a successful response with a preconfigured body
     ///
     /// This is equivilent to:
@@ -58,6 +66,11 @@ impl Response {
         Self::new(header)
     }
 
+    pub fn bad_request_lossy(reason: impl Cowy<str>) -> Self {
+        let header = ResponseHeader::bad_request_lossy(reason);
+        Self::new(header)
+    }
+
     pub fn client_certificate_required() -> Self {
         let header = ResponseHeader::client_certificate_required();
         Self::new(header)

src/types/response_header.rs

@@ -1,4 +1,7 @@
+use std::convert::TryInto;
+
 use anyhow::*;
+use uriparse::URIReference;
 use crate::Mime;
 use crate::util::Cowy;
 use crate::types::{Status, Meta};
@@ -31,6 +34,18 @@ impl ResponseHeader {
         }
     }
 
+    pub fn redirect_temporary_lossy<'a>(location: impl TryInto<URIReference<'a>>) -> Self {
+        let location = match location.try_into() {
+            Ok(location) => location,
+            Err(_) => return Self::bad_request_lossy("Invalid redirect location"),
+        };
+
+        Self {
+            status: Status::REDIRECT_TEMPORARY,
+            meta: Meta::new_lossy(location.to_string()),
+        }
+    }
+
     pub fn server_error(reason: impl Cowy<str>) -> Result<Self> {
         Ok(Self {
             status: Status::PERMANENT_FAILURE,
@@ -52,6 +67,13 @@ impl ResponseHeader {
         }
     }
 
+    pub fn bad_request_lossy(reason: impl Cowy<str>) -> Self {
+        Self {
+            status: Status::BAD_REQUEST,
+            meta: Meta::new_lossy(reason),
+        }
+    }
+
     pub fn client_certificate_required() -> Self {
         Self {
             status: Status::CLIENT_CERTIFICATE_REQUIRED,