136 lines
3.1 KiB
Nix
136 lines
3.1 KiB
Nix
{ config, lib, ... }:
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let
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inherit (lib) mkOption;
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inherit (lib.types)
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attrsOf
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ints
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listOf
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str
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submodule
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;
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mkRetired =
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hosts:
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builtins.listToAttrs (
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builtins.map (name: {
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inherit name;
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value = {
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enableACME = true;
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forceSSL = true;
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locations."/".return = "301 https://${cfg.retiredHost}/${name}";
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};
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}) hosts
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);
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mkPermanent = _: globalRedirect: {
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inherit globalRedirect;
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enableACME = true;
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forceSSL = true;
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};
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mkTemporary =
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_:
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{
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to,
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code,
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location,
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}:
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{
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enableACME = true;
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forceSSL = true;
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locations.${location}.return = "${toString code} ${to}";
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};
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cfg = config.dgn-redirections;
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in
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{
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options.dgn-redirections = {
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permanent = mkOption {
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type = attrsOf str;
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default = { };
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description = ''
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Attribute set of redirections, for:
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{ a = b; },
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a redirection from a to b will be made.
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'';
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};
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temporary = mkOption {
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type = attrsOf (submodule {
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options = {
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to = mkOption {
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type = str;
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description = "Target of the redirection";
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};
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code = mkOption {
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type = ints.between 300 399;
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default = 302;
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example = 308;
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description = ''
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HTTP status used by the redirection. Possible usecases
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include temporary (302, 307) redirects, keeping the request method and
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body (307, 308), or explicitly resetting the method to GET (303).
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See <https://developer.mozilla.org/en-US/docs/Web/HTTP/Redirections>.
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'';
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};
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location = mkOption {
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type = str;
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default = "/";
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description = "nginx-style location for the source of the redirection";
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};
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};
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});
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default = { };
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example = {
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"source.dgnum.eu" = {
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to = "https://target.dgnum.eu/path_to_page";
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code = 307;
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location = "/subpath/";
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};
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};
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description = ''
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Attribute set of temporary redirections. The attribute is the source
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domain.
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For:
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```
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{
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"source.dgnum.eu" = {
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to = "https://target.dgnum.eu/path_to_page";
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code = 307;
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};
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}
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```
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a 307 redirect from all the urls within the domain `source.dgnum.eu` to
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`https://target.dgnum.eu/path_to_page` will be made.
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'';
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};
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retired = mkOption {
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type = listOf str;
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default = [ ];
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description = ''
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List of retired domains, they will we redirected to `retired.dgnum.eu/$host`.
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'';
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};
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retiredHost = mkOption {
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type = str;
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default = "retired.dgnum.eu";
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description = ''
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Host used for the redirections of retired services.
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'';
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};
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};
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config = {
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services.nginx.virtualHosts =
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(builtins.mapAttrs mkPermanent cfg.permanent // builtins.mapAttrs mkTemporary cfg.temporary)
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// (mkRetired cfg.retired);
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};
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}
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