Plugins: Add Subresource Integrity checks (#93024)

* Plugins: Pass hashes for SRI to frontend

* Add SRI hashes to frontendsettings DTOs

* Add docstring

* TestSriHashes

* Fix typo

* Changed SriHashes to ModuleHash

* update loader_test compareOpts

* update ModuleHash error message

* Add TestModuleHash/no_module.js

* Add omitEmpty to moduleHash

* Add ModuleHash to api/plugins/${pluginId}/settings

* moved ModuleHash field

* feat(plugins): add moduleHash to bootData and plugin types

* feat(plugins): if moduleHash is available apply it to systemjs importmap

* Calculate ModuleHash for CDN provisioned plugins

* Add ModuleHash tests for TestCalculate

* adjust test case name

* removed .envrc

* Fix signature verification failing for internal plugins

* fix tests

* Add pluginsFilesystemSriChecks feature togglemk

* renamed FilesystemSriChecksEnabled

* refactor(plugin_loader): prefer extending type declaration over ts-error

* added a couple more tests

* Removed unused features

* Removed unused argument from signature.DefaultCalculator call

* Removed unused argument from bootstrap.DefaultConstructFunc

* Moved ModuleHash to pluginassets service

* update docstring

* lint

* Removed cdn dependency from manifest.Signature

* add tests

* fix extra parameters in tests

* "fix" tests

* removed outdated test

* removed unused cdn dependency in signature.DefaultCalculator

* reduce diff

* Cache returned values

* Add support for deeply nested plugins (more than 1 hierarchy level)

* simplify cache usage

* refactor TestService_ModuleHash_Cache

* removed unused testdata

* re-generate feature toggles

* use version for module hash cache

* Renamed feature toggle to pluginsSriChecks and use it for both cdn and filesystem

* Removed app/types/system-integrity.d.ts

* re-generate feature toggles

* re-generate feature toggles

* feat(plugins): put systemjs integrity hash behind feature flag

---------

Co-authored-by: Jack Westbrook <jack.westbrook@gmail.com>

public/app/features/plugins/pluginPreloader.ts

@@ -57,6 +57,7 @@ async function preload(config: AppPluginConfig): Promise<PluginPreloadResult> {
       isAngular: config.angular.detected,
       pluginId,
       loadingStrategy,
+      moduleHash: config.moduleHash,
     });
     const { exposedComponentConfigs = [], addedComponentConfigs = [], addedLinkConfigs = [] } = plugin;