feat: add `--allow-import` flag (#25469)

This replaces `--allow-net` for import permissions and makes the
security sandbox stricter by also checking permissions for statically
analyzable imports.

By default, this has a value of
`--allow-import=deno.land:443,jsr.io:443,esm.sh:443,raw.githubusercontent.com:443,gist.githubusercontent.com:443`,
but that can be overridden by providing a different set of hosts.

Additionally, when no value is provided, import permissions are inferred
from the CLI arguments so the following works because
`fresh.deno.dev:443` will be added to the list of allowed imports:

```ts
deno run -A -r https://fresh.deno.dev
```

---------

Co-authored-by: David Sherret <dsherret@gmail.com>

4 files changed, 17 insertions, 0 deletions

diff --git a/tests/specs/permission/allow_import_jsx/__test__.jsonc b/tests/specs/permission/allow_import_jsx/__test__.jsonc
new file mode 100644
index 000000000..cb80deb72
--- /dev/null
+++ b/tests/specs/permission/allow_import_jsx/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "args": "run main.tsx",
+  "output": "main.out",
+  "exitCode": 1
+}
diff --git a/tests/specs/permission/allow_import_jsx/deno.jsonc b/tests/specs/permission/allow_import_jsx/deno.jsonc
new file mode 100644
index 000000000..311409ea3
--- /dev/null
+++ b/tests/specs/permission/allow_import_jsx/deno.jsonc
@@ -0,0 +1,6 @@
+{
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "jsxImportSource": "http://localhost:4545/jsx"
+  }
+}
diff --git a/tests/specs/permission/allow_import_jsx/main.out b/tests/specs/permission/allow_import_jsx/main.out
new file mode 100644
index 000000000..fda79f89d
--- /dev/null
+++ b/tests/specs/permission/allow_import_jsx/main.out
@@ -0,0 +1,3 @@
+[# do not allow exfiltrating data via the deno.json]
+error: Requires import access to "localhost:4545", run again with the --allow-import flag
+    at file:///[WILDLINE]/main.tsx:1:1
diff --git a/tests/specs/permission/allow_import_jsx/main.tsx b/tests/specs/permission/allow_import_jsx/main.tsx
new file mode 100644
index 000000000..f03d10c5b
--- /dev/null
+++ b/tests/specs/permission/allow_import_jsx/main.tsx
@@ -0,0 +1,3 @@
+export function Component() {
+  return <div>Hi</div>;
+}