refactor: deno_runtime crate (#8640)

This commit moves Deno JS runtime, ops, permissions and
inspector implementation to new "deno_runtime" crate located
in "runtime/" directory.

Details in "runtime/README.md".

Co-authored-by: Ryan Dahl <ry@tinyclouds.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/runtime/ops/permissions.rs b/runtime/ops/permissions.rs
new file mode 100644
index 000000000..7474c0e37
--- /dev/null
+++ b/runtime/ops/permissions.rs
@@ -0,0 +1,103 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+use crate::permissions::Permissions;
+use deno_core::error::custom_error;
+use deno_core::error::AnyError;
+use deno_core::serde_json;
+use deno_core::serde_json::json;
+use deno_core::serde_json::Value;
+use deno_core::OpState;
+use deno_core::ZeroCopyBuf;
+use serde::Deserialize;
+use std::path::Path;
+
+pub fn init(rt: &mut deno_core::JsRuntime) {
+  super::reg_json_sync(rt, "op_query_permission", op_query_permission);
+  super::reg_json_sync(rt, "op_revoke_permission", op_revoke_permission);
+  super::reg_json_sync(rt, "op_request_permission", op_request_permission);
+}
+
+#[derive(Deserialize)]
+struct PermissionArgs {
+  name: String,
+  url: Option<String>,
+  path: Option<String>,
+}
+
+pub fn op_query_permission(
+  state: &mut OpState,
+  args: Value,
+  _zero_copy: &mut [ZeroCopyBuf],
+) -> Result<Value, AnyError> {
+  let args: PermissionArgs = serde_json::from_value(args)?;
+  let permissions = state.borrow::<Permissions>();
+  let path = args.path.as_deref();
+  let perm = match args.name.as_ref() {
+    "read" => permissions.query_read(&path.as_deref().map(Path::new)),
+    "write" => permissions.query_write(&path.as_deref().map(Path::new)),
+    "net" => permissions.query_net_url(&args.url.as_deref())?,
+    "env" => permissions.query_env(),
+    "run" => permissions.query_run(),
+    "plugin" => permissions.query_plugin(),
+    "hrtime" => permissions.query_hrtime(),
+    n => {
+      return Err(custom_error(
+        "ReferenceError",
+        format!("No such permission name: {}", n),
+      ))
+    }
+  };
+  Ok(json!({ "state": perm.to_string() }))
+}
+
+pub fn op_revoke_permission(
+  state: &mut OpState,
+  args: Value,
+  _zero_copy: &mut [ZeroCopyBuf],
+) -> Result<Value, AnyError> {
+  let args: PermissionArgs = serde_json::from_value(args)?;
+  let permissions = state.borrow_mut::<Permissions>();
+  let path = args.path.as_deref();
+  let perm = match args.name.as_ref() {
+    "read" => permissions.revoke_read(&path.as_deref().map(Path::new)),
+    "write" => permissions.revoke_write(&path.as_deref().map(Path::new)),
+    "net" => permissions.revoke_net(&args.url.as_deref())?,
+    "env" => permissions.revoke_env(),
+    "run" => permissions.revoke_run(),
+    "plugin" => permissions.revoke_plugin(),
+    "hrtime" => permissions.revoke_hrtime(),
+    n => {
+      return Err(custom_error(
+        "ReferenceError",
+        format!("No such permission name: {}", n),
+      ))
+    }
+  };
+  Ok(json!({ "state": perm.to_string() }))
+}
+
+pub fn op_request_permission(
+  state: &mut OpState,
+  args: Value,
+  _zero_copy: &mut [ZeroCopyBuf],
+) -> Result<Value, AnyError> {
+  let args: PermissionArgs = serde_json::from_value(args)?;
+  let permissions = state.borrow_mut::<Permissions>();
+  let path = args.path.as_deref();
+  let perm = match args.name.as_ref() {
+    "read" => permissions.request_read(&path.as_deref().map(Path::new)),
+    "write" => permissions.request_write(&path.as_deref().map(Path::new)),
+    "net" => permissions.request_net(&args.url.as_deref())?,
+    "env" => permissions.request_env(),
+    "run" => permissions.request_run(),
+    "plugin" => permissions.request_plugin(),
+    "hrtime" => permissions.request_hrtime(),
+    n => {
+      return Err(custom_error(
+        "ReferenceError",
+        format!("No such permission name: {}", n),
+      ))
+    }
+  };
+  Ok(json!({ "state": perm.to_string() }))
+}