feat: permission stack traces in ops (#26938)

This commit improves permission prompts by adding an option
to print a full trace of where the permissions is being requested.

Due to big performance hint of stack trace collection, this is only
enabled when `DENO_TRACE_PERMISSIONS` env var is present.

Closes #20756

---------

Co-authored-by: Bartek Iwańczuk <[email protected]>

Author: crowlKats

cli/args/flags.rs

@@ -1160,25 +1160,26 @@ static ENV_VARIABLES_HELP: &str = cstr!(
 <y>Docs:</> <c>https://docs.deno.com/go/env-vars</>
 
   <g>DENO_AUTH_TOKENS</>      A semi-colon separated list of bearer tokens and hostnames
-                        to use when fetching remote modules from private repositories
-                         <p(245)>(e.g. "[email protected];[email protected]")</>
-  <g>DENO_CERT</>             Load certificate authorities from PEM encoded file
-  <g>DENO_DIR</>              Set the cache directory
-  <g>DENO_INSTALL_ROOT</>     Set deno install's output directory
-                         <p(245)>(defaults to $HOME/.deno/bin)</>
-  <g>DENO_NO_PACKAGE_JSON</>  Disables auto-resolution of package.json
-  <g>DENO_NO_UPDATE_CHECK</>  Set to disable checking if a newer Deno version is available
-  <g>DENO_TLS_CA_STORE</>     Comma-separated list of order dependent certificate stores.
-                        Possible values: "system", "mozilla".
-                         <p(245)>(defaults to "mozilla")</>
-  <g>HTTP_PROXY</>            Proxy address for HTTP requests
-                         <p(245)>(module downloads, fetch)</>
-  <g>HTTPS_PROXY</>           Proxy address for HTTPS requests
-                         <p(245)>(module downloads, fetch)</>
-  <g>NO_COLOR</>              Set to disable color
-  <g>NO_PROXY</>              Comma-separated list of hosts which do not use a proxy
-                         <p(245)>(module downloads, fetch)</>
-  <g>NPM_CONFIG_REGISTRY</>   URL to use for the npm registry."#
+                         to use when fetching remote modules from private repositories
+                          <p(245)>(e.g. "[email protected];[email protected]")</>
+  <g>DENO_CERT</>              Load certificate authorities from PEM encoded file
+  <g>DENO_DIR</>               Set the cache directory
+  <g>DENO_INSTALL_ROOT</>      Set deno install's output directory
+                          <p(245)>(defaults to $HOME/.deno/bin)</>
+  <g>DENO_NO_PACKAGE_JSON</>   Disables auto-resolution of package.json
+  <g>DENO_NO_UPDATE_CHECK</>   Set to disable checking if a newer Deno version is available
+  <g>DENO_TLS_CA_STORE</>      Comma-separated list of order dependent certificate stores.
+  <g>DENO_TRACE_PERMISSIONS</> Environmental variable to enable stack traces in permission prompts.
+                         Possible values: "system", "mozilla".
+                          <p(245)>(defaults to "mozilla")</>
+  <g>HTTP_PROXY</>             Proxy address for HTTP requests
+                          <p(245)>(module downloads, fetch)</>
+  <g>HTTPS_PROXY</>            Proxy address for HTTPS requests
+                          <p(245)>(module downloads, fetch)</>
+  <g>NO_COLOR</>               Set to disable color
+  <g>NO_PROXY</>               Comma-separated list of hosts which do not use a proxy
+                          <p(245)>(module downloads, fetch)</>
+  <g>NPM_CONFIG_REGISTRY</>    URL to use for the npm registry."#
 );
 
 static DENO_HELP: &str = cstr!(
@@ -3346,6 +3347,8 @@ fn permission_args(app: Command, requires: Option<&'static str>) -> Command {
                                              <p(245)>--deny-run  |  --deny-run="whoami,ps"</>
       <g>--deny-ffi[=<<PATH>...]</>               (Unstable) Deny loading dynamic libraries. Optionally specify denied directories or files.
                                              <p(245)>--deny-ffi  |  --deny-ffi="./libfoo.so"</>
+      <g>DENO_TRACE_PERMISSIONS</>               Environmental variable to enable stack traces in permission prompts.
+                                             <p(245)>DENO_TRACE_PERMISSIONS=1 deno run main.ts</>
 "#))
     .arg(
       {

cli/args/mod.rs

@@ -1912,6 +1912,10 @@ pub fn resolve_no_prompt(flags: &PermissionFlags) -> bool {
   flags.no_prompt || has_flag_env_var("DENO_NO_PROMPT")
 }
 
+pub fn has_trace_permissions_enabled() -> bool {
+  has_flag_env_var("DENO_TRACE_PERMISSIONS")
+}
+
 pub fn has_flag_env_var(name: &str) -> bool {
   let value = env::var(name);
   matches!(value.as_ref().map(|s| s.as_str()), Ok("1"))

cli/ops/bench.rs

@@ -51,7 +51,7 @@ fn op_bench_get_origin(state: &mut OpState) -> String {
 #[derive(Clone)]
 struct PermissionsHolder(Uuid, PermissionsContainer);
 
-#[op2]
+#[op2(stack_trace)]
 #[serde]
 pub fn op_pledge_test_permissions(
   state: &mut OpState,

cli/ops/testing.rs

@@ -46,7 +46,7 @@ deno_core::extension!(deno_test,
 #[derive(Clone)]
 struct PermissionsHolder(Uuid, PermissionsContainer);
 
-#[op2]
+#[op2(stack_trace)]
 #[serde]
 pub fn op_pledge_test_permissions(
   state: &mut OpState,

cli/worker.rs

@@ -617,6 +617,8 @@ impl CliMainWorkerFactory {
       origin_storage_dir,
       stdio,
       skip_op_registration: shared.options.skip_op_registration,
+      enable_stack_trace_arg_in_ops: crate::args::has_trace_permissions_enabled(
+      ),
     };
 
     let mut worker = MainWorker::bootstrap_from_options(
@@ -813,6 +815,8 @@ fn create_web_worker_callback(
       strace_ops: shared.options.strace_ops.clone(),
       close_on_idle: args.close_on_idle,
       maybe_worker_metadata: args.maybe_worker_metadata,
+      enable_stack_trace_arg_in_ops: crate::args::has_trace_permissions_enabled(
+      ),
     };
 
     WebWorker::bootstrap_from_options(services, options)

ext/fetch/lib.rs

@@ -397,7 +397,7 @@ impl FetchPermissions for deno_permissions::PermissionsContainer {
   }
 }
 
-#[op2]
+#[op2(stack_trace)]
 #[serde]
 #[allow(clippy::too_many_arguments)]
 pub fn op_fetch<FP>(
@@ -866,7 +866,7 @@ fn default_true() -> bool {
   true
 }
 
-#[op2]
+#[op2(stack_trace)]
 #[smi]
 pub fn op_fetch_custom_client<FP>(
   state: &mut OpState,

ext/ffi/call.rs

@@ -287,7 +287,7 @@ fn ffi_call(
   }
 }
 
-#[op2(async)]
+#[op2(async, stack_trace)]
 #[serde]
 pub fn op_ffi_call_ptr_nonblocking<FP>(
   scope: &mut v8::HandleScope,
@@ -385,7 +385,7 @@ pub fn op_ffi_call_nonblocking(
   })
 }
 
-#[op2(reentrant)]
+#[op2(reentrant, stack_trace)]
 #[serde]
 pub fn op_ffi_call_ptr<FP>(
   scope: &mut v8::HandleScope,

ext/ffi/callback.rs

@@ -561,7 +561,7 @@ pub struct RegisterCallbackArgs {
   result: NativeType,
 }
 
-#[op2]
+#[op2(stack_trace)]
 pub fn op_ffi_unsafe_callback_create<FP, 'scope>(
   state: &mut OpState,
   scope: &mut v8::HandleScope<'scope>,

ext/ffi/dlfcn.rs

@@ -124,7 +124,7 @@ pub struct FfiLoadArgs {
   symbols: HashMap<String, ForeignSymbol>,
 }
 
-#[op2]
+#[op2(stack_trace)]
 pub fn op_ffi_load<'scope, FP>(
   scope: &mut v8::HandleScope<'scope>,
   state: Rc<RefCell<OpState>>,

ext/ffi/repr.rs

@@ -49,7 +49,7 @@ pub enum ReprError {
   Permission(#[from] deno_permissions::PermissionCheckError),
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_ptr_create<FP>(
   state: &mut OpState,
   #[bigint] ptr_number: usize,
@@ -63,7 +63,7 @@ where
   Ok(ptr_number as *mut c_void)
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_ptr_equals<FP>(
   state: &mut OpState,
   a: *const c_void,
@@ -78,7 +78,7 @@ where
   Ok(a == b)
 }
 
-#[op2]
+#[op2(stack_trace)]
 pub fn op_ffi_ptr_of<FP>(
   state: &mut OpState,
   #[anybuffer] buf: *const u8,
@@ -92,7 +92,7 @@ where
   Ok(buf as *mut c_void)
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_ptr_of_exact<FP>(
   state: &mut OpState,
   buf: v8::Local<v8::ArrayBufferView>,
@@ -112,7 +112,7 @@ where
   Ok(buf.as_ptr() as _)
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_ptr_offset<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -142,7 +142,7 @@ unsafe extern "C" fn noop_deleter_callback(
 ) {
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 #[bigint]
 pub fn op_ffi_ptr_value<FP>(
   state: &mut OpState,
@@ -157,7 +157,7 @@ where
   Ok(ptr as usize)
 }
 
-#[op2]
+#[op2(stack_trace)]
 pub fn op_ffi_get_buf<FP, 'scope>(
   scope: &mut v8::HandleScope<'scope>,
   state: &mut OpState,
@@ -189,7 +189,7 @@ where
   Ok(array_buffer)
 }
 
-#[op2]
+#[op2(stack_trace)]
 pub fn op_ffi_buf_copy_into<FP>(
   state: &mut OpState,
   src: *mut c_void,
@@ -219,7 +219,7 @@ where
   }
 }
 
-#[op2]
+#[op2(stack_trace)]
 pub fn op_ffi_cstr_read<FP, 'scope>(
   scope: &mut v8::HandleScope<'scope>,
   state: &mut OpState,
@@ -244,7 +244,7 @@ where
   Ok(value)
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_bool<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -264,7 +264,7 @@ where
   Ok(unsafe { ptr::read_unaligned::<bool>(ptr.offset(offset) as *const bool) })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_u8<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -286,7 +286,7 @@ where
   })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_i8<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -308,7 +308,7 @@ where
   })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_u16<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -330,7 +330,7 @@ where
   })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_i16<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -352,7 +352,7 @@ where
   })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_u32<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -372,7 +372,7 @@ where
   Ok(unsafe { ptr::read_unaligned::<u32>(ptr.offset(offset) as *const u32) })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_i32<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -392,7 +392,7 @@ where
   Ok(unsafe { ptr::read_unaligned::<i32>(ptr.offset(offset) as *const i32) })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 #[bigint]
 pub fn op_ffi_read_u64<FP>(
   state: &mut OpState,
@@ -418,7 +418,7 @@ where
   Ok(value)
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 #[bigint]
 pub fn op_ffi_read_i64<FP>(
   state: &mut OpState,
@@ -444,7 +444,7 @@ where
   Ok(value)
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_f32<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -464,7 +464,7 @@ where
   Ok(unsafe { ptr::read_unaligned::<f32>(ptr.offset(offset) as *const f32) })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_f64<FP>(
   state: &mut OpState,
   ptr: *mut c_void,
@@ -484,7 +484,7 @@ where
   Ok(unsafe { ptr::read_unaligned::<f64>(ptr.offset(offset) as *const f64) })
 }
 
-#[op2(fast)]
+#[op2(fast, stack_trace)]
 pub fn op_ffi_read_ptr<FP>(
   state: &mut OpState,
   ptr: *mut c_void,