js: Move default global settings to C.

core/core.js

@@ -4,86 +4,6 @@ import * as http from './http.js';
 
 let gProcesses = {};
 let gStatsTimer = false;
-
-const k_global_settings = {
-	index: {
-		type: 'string',
-		default_value: '/~core/apps/',
-		description: 'Default path.',
-	},
-	index_map: {
-		type: 'textarea',
-		default_value: undefined,
-		description:
-			'Mappings from hostname to redirect path, one per line, as in: "www.tildefriends.net=/~core/index/"',
-	},
-	room: {
-		type: 'boolean',
-		default_value: true,
-		description: 'Enable peers to tunnel through this instance as a room.',
-	},
-	room_name: {
-		type: 'string',
-		default_value: 'tilde friends tunnel',
-		description: 'Name of the room.',
-	},
-	replicator: {
-		type: 'boolean',
-		default_value: true,
-		description: 'Enable message and blob replication.',
-	},
-	code_of_conduct: {
-		type: 'textarea',
-		default_value: undefined,
-		description: 'Code of conduct presented at sign-in.',
-	},
-	http_redirect: {
-		type: 'string',
-		default_value: undefined,
-		description:
-			'If connecting by HTTP and HTTPS is configured, Location header prefix (ie, "https://example.com")',
-	},
-	fetch_hosts: {
-		type: 'string',
-		default_value: undefined,
-		description:
-			'Comma-separated list of host names to which HTTP fetch requests are allowed.  None if empty.',
-	},
-	blob_fetch_age_seconds: {
-		type: 'integer',
-		default_value:
-			platform() == 'android' || platform() == 'iphone'
-				? 0.5 * 365 * 24 * 60 * 60
-				: undefined,
-		description:
-			'Only blobs mentioned more recently than this age will be automatically fetched.',
-	},
-	blob_expire_age_seconds: {
-		type: 'integer',
-		default_value:
-			platform() == 'android' || platform() == 'iphone'
-				? 1.0 * 365 * 24 * 60 * 60
-				: undefined,
-		description: 'Blobs older than this will be automatically deleted.',
-	},
-	seeds_host: {
-		type: 'string',
-		default_value: 'seeds.tildefriends.net',
-		description: 'Hostname for seed connections.',
-	},
-	peer_exchange: {
-		type: 'boolean',
-		default_value: false,
-		description:
-			'Enable discovery of, sharing of, and connecting to internet peer strangers, including announcing this instance.',
-	},
-	account_registration: {
-		type: 'boolean',
-		default_value: true,
-		description: 'Allow registration of new accounts.',
-	},
-};
-
 let kPingInterval = 60 * 1000;
 
 /**
@@ -486,7 +406,7 @@ async function getProcessBlob(blobId, key, options) {
 			};
 			if (process.credentials?.permissions?.administration) {
 				imports.core.globalSettingsDescriptions = async function () {
-					let settings = Object.assign({}, k_global_settings);
+					let settings = Object.assign({}, defaultGlobalSettings());
 					for (let [key, value] of Object.entries(await loadSettings())) {
 						if (settings[key]) {
 							settings[key].value = value;
@@ -834,7 +754,7 @@ async function loadSettings() {
 	} catch (error) {
 		print('Settings not found in database:', error);
 	}
-	for (let [key, value] of Object.entries(k_global_settings)) {
+	for (let [key, value] of Object.entries(defaultGlobalSettings())) {
 		if (data[key] === undefined) {
 			data[key] = value.default_value;
 		}

src/util.js.c

@@ -20,6 +20,8 @@
 #include <execinfo.h>
 #endif
 
+#define tf_countof(a) ((int)(sizeof((a)) / sizeof(*(a))))
+
 static JSValue _util_utf8_encode(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
 {
 	size_t length = 0;
@@ -304,6 +306,66 @@ static JSValue _util_parseHttpResponse(JSContext* context, JSValueConst this_val
 	return result;
 }
 
+#if defined(__APPLE__)
+#include <TargetConditionals.h>
+#endif
+
+static bool _is_mobile()
+{
+#if defined(__ANDROID__) || (defined(__APPLE__) && TARGET_OS_IPHONE)
+	return true;
+#else
+	return false;
+#endif
+}
+
+static JSValue _util_defaultGlobalSettings(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
+{
+	typedef struct _setting_t
+	{
+		const char* name;
+		const char* type;
+		const char* description;
+		JSValue default_value;
+	} setting_t;
+
+	const setting_t k_settings[] = {
+		{ .name = "code_of_conduct", .type = "textarea", .description = "Code of conduct presented at sign-in." },
+		{ .name = "blob_fetch_age_seconds",
+			.type = "integer",
+			.description = "Only blobs mentioned more recently than this age will be automatically fetched.",
+			.default_value = _is_mobile() ? JS_NewInt32(context, (int)(0.5f * 365 * 24 * 60 * 60)) : JS_UNDEFINED },
+		{ .name = "blob_expire_age_seconds",
+			.type = "integer",
+			.description = "Blobs older than this will be automatically deleted.",
+			.default_value = _is_mobile() ? JS_NewInt32(context, (int)(1.0f * 365 * 24 * 60 * 60)) : JS_UNDEFINED },
+		{ .name = "fetch_hosts", .type = "string", .description = "Comma-separated list of host names to which HTTP fetch requests are allowed.  None if empty." },
+		{ .name = "http_redirect", .type = "string", .description = "If connecting by HTTP and HTTPS is configured, Location header prefix (ie, \"http://example.com\")" },
+		{ .name = "index", .type = "string", .description = "Default path.", .default_value = JS_NewString(context, "/~core/apps") },
+		{ .name = "index_map", .type = "textarea", .description = "Mappings from hostname to redirect path, one per line, as in: \"www.tildefriends.net=/~core/index/\"" },
+		{ .name = "peer_exchange",
+			.type = "boolean",
+			.description = "Enable discovery of, sharing of, and connecting to internet peer strangers, including announcing this instance.",
+			.default_value = JS_FALSE },
+		{ .name = "replicator", .type = "boolean", .description = "Enable message and blob replication.", .default_value = JS_TRUE },
+		{ .name = "room", .type = "boolean", .description = "Enable peers to tunnel through this instance as a room.", .default_value = JS_TRUE },
+		{ .name = "room_name", .type = "string", .description = "Name of the room.", .default_value = JS_NewString(context, "tilde friends tunnel") },
+		{ .name = "seeds_host", .type = "string", .description = "Hostname for seed connections.", .default_value = JS_NewString(context, "seeds.tildefriends.net") },
+		{ .name = "account_registration", .type = "boolean", .description = "Allow registration of new accounts.", .default_value = JS_TRUE },
+	};
+
+	JSValue settings = JS_NewObject(context);
+	for (int i = 0; i < tf_countof(k_settings); i++)
+	{
+		JSValue entry = JS_NewObject(context);
+		JS_SetPropertyStr(context, entry, "type", JS_NewString(context, k_settings[i].type));
+		JS_SetPropertyStr(context, entry, "description", JS_NewString(context, k_settings[i].description));
+		JS_SetPropertyStr(context, entry, "default_value", k_settings[i].default_value);
+		JS_SetPropertyStr(context, settings, k_settings[i].name, entry);
+	}
+	return settings;
+}
+
 JSValue tf_util_new_uint8_array(JSContext* context, const uint8_t* data, size_t size)
 {
 	JSValue array_buffer = JS_NewArrayBufferCopy(context, data, size);
@@ -327,6 +389,7 @@ void tf_util_register(JSContext* context)
 	JS_SetPropertyStr(context, global, "bip39Bytes", JS_NewCFunction(context, _util_bip39_bytes, "bip39Bytes", 1));
 	JS_SetPropertyStr(context, global, "print", JS_NewCFunction(context, _util_print, "print", 1));
 	JS_SetPropertyStr(context, global, "parseHttpResponse", JS_NewCFunction(context, _util_parseHttpResponse, "parseHttpResponse", 2));
+	JS_SetPropertyStr(context, global, "defaultGlobalSettings", JS_NewCFunction(context, _util_defaultGlobalSettings, "defaultGlobalSettings", 2));
 	JS_FreeValue(context, global);
 }