servo: Merge #17491 - Introduce service-worker mode (from KiChjang:update-fetch); r=jdm

Bringing in the spec changes from whatwg/fetch#435.

Source-Repo: https://github.com/servo/servo
Source-Revision: e2a26e7bd0d8089a441bc3072cf15351b0ef1252

UltraBlame original commit: 7ad2e4b94b03bb9e821f6962fc7df6fc0f936519

Author: marco-c

servo/components/net/http_loader.rs

@@ -405,6 +405,7 @@ request
 :
 {
 ResponseTainting
+ServiceWorkersMode
 Type
 }
 ;
@@ -3958,29 +3959,109 @@ response
 Step
 3
 if
-!
 request
 .
-skip_service_worker
-&
-&
+service_workers_mode
 !
+=
+ServiceWorkersMode
+:
+:
+None
+{
+/
+/
+Substep
+1
+if
 request
 .
-is_service_worker_global_scope
+service_workers_mode
+=
+=
+ServiceWorkersMode
+:
+:
+All
 {
 /
 /
+TODO
+(
+handle
+fetch
+unimplemented
+)
+}
+/
+/
 Substep
-1
+2
+if
+response
+.
+is_none
+(
+)
+&
+&
+request
+.
+is_subresource_request
+(
+)
+&
+&
+match
+request
+.
+origin
+{
+Origin
+:
+:
+Origin
+(
+ref
+origin
+)
+if
+*
+origin
+=
+=
+request
+.
+url
+(
+)
+.
+origin
+(
+)
+=
+>
+true
+_
+=
+>
+false
+}
+{
 /
 /
 TODO
 (
 handle
+foreign
 fetch
 unimplemented
 )
+}
+/
+/
+Substep
+3
 if
 let
 Some
@@ -3993,7 +4074,19 @@ response
 {
 /
 /
-Substep
+Subsubstep
+1
+/
+/
+TODO
+:
+transmit
+body
+for
+request
+/
+/
+Subsubstep
 2
 /
 /
@@ -4009,7 +4102,7 @@ on
 response
 /
 /
-Substep
+Subsubstep
 3
 if
 (
@@ -4115,7 +4208,7 @@ into
 }
 /
 /
-Substep
+Subsubstep
 4
 /
 /
@@ -4335,12 +4428,27 @@ clone
 /
 Substep
 2
+if
 request
 .
-skip_service_worker
+redirect_mode
 =
-true
+=
+RedirectMode
+:
+:
+Follow
+{
+request
+.
+service_workers_mode
+=
+ServiceWorkersMode
+:
+:
+Foreign
 ;
+}
 /
 /
 Substep
@@ -8697,9 +8805,6 @@ clone
 )
 request
 .
-is_service_worker_global_scope
-request
-.
 pipeline_id
 )
 ;

servo/components/net_traits/request.rs

@@ -528,6 +528,57 @@ OnlyIfCached
 /
 /
 [
+Service
+-
+workers
+mode
+]
+(
+https
+:
+/
+/
+fetch
+.
+spec
+.
+whatwg
+.
+org
+/
+#
+request
+-
+service
+-
+workers
+-
+mode
+)
+#
+[
+derive
+(
+Copy
+Clone
+PartialEq
+Serialize
+Deserialize
+HeapSizeOf
+)
+]
+pub
+enum
+ServiceWorkersMode
+{
+All
+Foreign
+None
+}
+/
+/
+/
+[
 Redirect
 mode
 ]
@@ -830,6 +881,10 @@ Vec
 u8
 >
 >
+pub
+service_workers_mode
+:
+ServiceWorkersMode
 /
 /
 TODO
@@ -1002,6 +1057,12 @@ false
 body
 :
 None
+service_workers_mode
+:
+ServiceWorkersMode
+:
+:
+All
 type_
 :
 Type
@@ -1328,10 +1389,6 @@ TODO
 client
 object
 pub
-is_service_worker_global_scope
-:
-bool
-pub
 window
 :
 Window
@@ -1367,10 +1424,32 @@ pub
 keep_alive
 :
 bool
+/
+/
+https
+:
+/
+/
+fetch
+.
+spec
+.
+whatwg
+.
+org
+/
+#
+request
+-
+service
+-
+workers
+-
+mode
 pub
-skip_service_worker
+service_workers_mode
 :
-bool
+ServiceWorkersMode
 /
 /
 /
@@ -1880,9 +1959,6 @@ Option
 <
 Origin
 >
-is_service_worker_global_scope
-:
-bool
 pipeline_id
 :
 Option
@@ -1922,9 +1998,6 @@ false
 body
 :
 None
-is_service_worker_global_scope
-:
-is_service_worker_global_scope
 window
 :
 Window
@@ -1934,9 +2007,12 @@ Client
 keep_alive
 :
 false
-skip_service_worker
+service_workers_mode
 :
-false
+ServiceWorkersMode
+:
+:
+All
 initiator
 :
 Initiator
@@ -2081,7 +2157,6 @@ origin
 )
 )
 )
-false
 init
 .
 pipeline_id
@@ -2121,6 +2196,14 @@ body
 ;
 req
 .
+service_workers_mode
+=
+init
+.
+service_workers_mode
+;
+req
+.
 type_
 =
 init