Create Tools App (#169)

x/examples/fyne-tools/FyneApp.toml

@@ -0,0 +1,5 @@
+[Details]
+  Icon = "Icon.png"
+  Name = "Net Tools"
+  ID = "org.getoutline.sdk.examples.fyne_tools"
+  Build = 9

x/examples/fyne-tools/README.md

@@ -0,0 +1,21 @@
+# DNS System Resolver Lookup Utility
+
+To run:
+
+```console
+go run github.com/Jigsaw-Code/outline-sdk/x/examples/fyne-tools@latest
+```
+
+Package for Android and install on emulator or device:
+```
+go run fyne.io/fyne/v2/cmd/fyne package -os android && adb install Net_Tools.apk
+```
+
+Note: the generated APK is around 85MB.
+
+
+## Screenshots
+
+<img width="400" alt="image" src="https://github.com/Jigsaw-Code/outline-sdk/assets/113565/8cead9da-461e-41c8-8ce3-f263d77c6ee8">
+
+<img width="462" alt="image" src="https://github.com/Jigsaw-Code/outline-sdk/assets/113565/9782eab3-d142-4be7-9431-5384c866384d">

x/examples/fyne-tools/cname_desktop.go

@@ -0,0 +1,26 @@
+// Copyright 2024 Jigsaw Operations LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !(android || ios)
+
+package main
+
+import (
+	"context"
+	"net"
+)
+
+func lookupCNAME(ctx context.Context, domain string) (string, error) {
+	return net.DefaultResolver.LookupCNAME(ctx, domain)
+}

x/examples/fyne-tools/cname_mobile.go

@@ -0,0 +1,73 @@
+// Copyright 2024 Jigsaw Operations LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build android || ios
+
+package main
+
+/*
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+*/
+import "C"
+
+import (
+	"context"
+	"fmt"
+	"unsafe"
+)
+
+func lookupCNAME(ctx context.Context, domain string) (string, error) {
+	type result struct {
+		cname string
+		err   error
+	}
+
+	results := make(chan result)
+	go func() {
+		cname, err := lookupCNAMEBlocking(domain)
+		results <- result{cname, err}
+	}()
+
+	select {
+	case r := <-results:
+		return r.cname, r.err
+	case <-ctx.Done():
+		return "", ctx.Err()
+	}
+}
+
+func lookupCNAMEBlocking(host string) (string, error) {
+	var hints C.struct_addrinfo
+	var result *C.struct_addrinfo
+
+	chost := C.CString(host)
+	defer C.free(unsafe.Pointer(chost))
+
+	hints.ai_family = C.AF_UNSPEC
+	hints.ai_flags = C.AI_CANONNAME
+
+	// Call getaddrinfo
+	res := C.getaddrinfo(chost, nil, &hints, &result)
+	if res != 0 {
+		return "", fmt.Errorf("getaddrinfo error: %s", C.GoString(C.gai_strerror(res)))
+	}
+	defer C.freeaddrinfo(result)
+
+	// Extract canonical name
+	cname := C.GoString(result.ai_canonname)
+	return cname, nil
+}

x/examples/fyne-tools/go.mod

@@ -0,0 +1,59 @@
+module github.com/Jigsaw-Code/outline-sdk/x/examples/fyne-tools
+
+go 1.20
+
+require (
+	fyne.io/fyne/v2 v2.4.3
+	github.com/Jigsaw-Code/outline-sdk v0.0.12
+	github.com/Jigsaw-Code/outline-sdk/x v0.0.0-20240117212231-233d1898e1db
+)
+
+require (
+	fyne.io/systray v1.10.1-0.20231115130155-104f5ef7839e // indirect
+	github.com/BurntSushi/toml v1.3.2 // indirect
+	github.com/akavel/rsrc v0.10.2 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fogleman/gg v1.3.0 // indirect
+	github.com/fredbi/uri v1.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/fyne-io/gl-js v0.0.0-20220119005834-d2da28d9ccfe // indirect
+	github.com/fyne-io/glfw-js v0.0.0-20220120001248-ee7290d23504 // indirect
+	github.com/fyne-io/image v0.0.0-20220602074514-4956b0afb3d2 // indirect
+	github.com/go-gl/gl v0.0.0-20211210172815-726fda9656d6 // indirect
+	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-text/render v0.0.0-20230619120952-35bccb6164b8 // indirect
+	github.com/go-text/typesetting v0.0.0-20230616162802-9c17dd34aa4a // indirect
+	github.com/godbus/dbus/v5 v5.1.0 // indirect
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
+	github.com/gopherjs/gopherjs v1.17.2 // indirect
+	github.com/jackmordaunt/icns/v2 v2.2.6 // indirect
+	github.com/josephspurrier/goversioninfo v1.4.0 // indirect
+	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
+	github.com/lucor/goinfo v0.9.0 // indirect
+	github.com/mcuadros/go-version v0.0.0-20190830083331-035f6764e8d2 // indirect
+	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/shadowsocks/go-shadowsocks2 v0.1.5 // indirect
+	github.com/srwiley/oksvg v0.0.0-20221011165216-be6e8873101c // indirect
+	github.com/srwiley/rasterx v0.0.0-20220730225603-2ab79fcdd4ef // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/tevino/abool v1.2.0 // indirect
+	github.com/urfave/cli/v2 v2.11.1 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/yuin/goldmark v1.5.5 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/image v0.14.0 // indirect
+	golang.org/x/mobile v0.0.0-20231127183840-76ac6878050a // indirect
+	golang.org/x/mod v0.14.0 // indirect
+	golang.org/x/net v0.19.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/tools v0.16.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	honnef.co/go/js/dom v0.0.0-20210725211120-f030747120f2 // indirect
+)