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Add support for legacy HTTP 301/302 redirects for external icons 

At least on Android, it seems the Bitwarden mobile client responds to
HTTP 307, but not to HTTP 308 for some reason.
This commit is contained in:
Jeremy Lin 2022-01-08 23:40:35 -08:00
parent 8ba6e61fd5
commit a16c656770
3 changed files with 13 additions and 9 deletions
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7
.env.template
View File

@ -144,10 +144,11 @@
## Icon redirect code
## The HTTP status code to use for redirects to an external icon service.
## The supported codes are 307 (temporary) and 308 (permanent).
## The supported codes are 301 (legacy permanent), 302 (legacy temporary), 307 (temporary), and 308 (permanent).
## Temporary redirects are useful while testing different icon services, but once a service
## has been decided on, consider using permanent redirects for cacheability.
# ICON_REDIRECT_CODE=307
## has been decided on, consider using permanent redirects for cacheability. The legacy codes
## are currently better supported by the Bitwarden clients.
# ICON_REDIRECT_CODE=302
## Disable icon downloading
## Set to true to disable icon downloading in the internal icon service.

4
src/api/icons.rs
View File

@ -72,8 +72,10 @@ fn icon_redirect(domain: &str, template: &str) -> Option<Redirect> {
let url = template.replace("{}", domain);
match CONFIG.icon_redirect_code() {
308 => Some(Redirect::permanent(url)),
301 => Some(Redirect::moved(url)), // legacy permanent redirect
302 => Some(Redirect::found(url)), // legacy temporary redirect
307 => Some(Redirect::temporary(url)),
308 => Some(Redirect::permanent(url)),
_ => {
error!("Unexpected redirect code {}", CONFIG.icon_redirect_code());
None

11
src/config.rs
View File

@ -458,10 +458,11 @@ make_config! {
/// corresponding icon at the external service.
icon_service: String, false, def, "internal".to_string();
/// Icon redirect code |> The HTTP status code to use for redirects to an external icon service.
/// The supported codes are 307 (temporary) and 308 (permanent).
/// The supported codes are 301 (legacy permanent), 302 (legacy temporary), 307 (temporary), and 308 (permanent).
/// Temporary redirects are useful while testing different icon services, but once a service
/// has been decided on, consider using permanent redirects for cacheability.
icon_redirect_code: u32, true, def, 307;
/// has been decided on, consider using permanent redirects for cacheability. The legacy codes
/// are currently better supported by the Bitwarden clients.
icon_redirect_code: u32, true, def, 302;
/// Positive icon cache expiry |> Number of seconds to consider that an already cached icon is fresh. After this period, the icon will be redownloaded
icon_cache_ttl: u64, true, def, 2_592_000;
/// Negative icon cache expiry |> Number of seconds before trying to download an icon that failed again.
@ -700,8 +701,8 @@ fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
// Check if the icon redirect code is valid
match cfg.icon_redirect_code {
307 | 308 => (),
_ => err!("Only HTTP 307/308 redirects are supported"),
301 | 302 | 307 | 308 => (),
_ => err!("Only HTTP 301/302 and 307/308 redirects are supported"),
}
Ok(())