feat: add browser utility

browser/browser.go

@@ -0,0 +1,50 @@
+// Copyright 2024 KusionStack Authors
+//
+// 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
+//
+//     http://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.
+
+package browser
+
+import (
+	"net/url"
+	"os/exec"
+	"runtime"
+
+	"github.com/pkg/browser"
+)
+
+// nativeBrowser should implement the Browser interface.
+var _ Browser = nativeBrowser{}
+
+// NewNativeBrowser creates and returns a Browser that will attempt to interact
+// with the browser-launching mechanisms of the operating system where the
+// program is currently running.
+func NewNativeBrowser() Browser {
+	return nativeBrowser{}
+}
+
+type nativeBrowser struct{}
+
+// OpenURL opens given url in a new browser tab.
+func (b nativeBrowser) OpenURL(urlstr string) error {
+	_, err := url.Parse(urlstr)
+	if err != nil {
+		return err
+	}
+	if runtime.GOOS == "linux" {
+		_, err = exec.LookPath("xdg-open")
+		if err != nil {
+			return nil
+		}
+	}
+	return browser.OpenURL(urlstr)
+}

browser/browser_test.go

@@ -0,0 +1,25 @@
+// Copyright 2024 KusionStack Authors
+//
+// 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
+//
+//     http://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.
+
+package browser
+
+import "testing"
+
+func TestOpenInvalidURL(t *testing.T) {
+	browser := NewNativeBrowser()
+	err := browser.OpenURL("ht%2ds://localhost:8080")
+	if err == nil {
+		t.Fatal("should return invalid url error")
+	}
+}

browser/doc.go

@@ -0,0 +1,16 @@
+// Copyright 2024 KusionStack Authors
+//
+// 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
+//
+//     http://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.
+
+// Package browser provides utility to open a given url in web browser.
+package browser

browser/interface.go

@@ -0,0 +1,29 @@
+// Copyright 2024 KusionStack Authors
+//
+// 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
+//
+//     http://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.
+
+package browser
+
+// Browser is an object that knows how to open a given URL in a new tab in
+// some suitable browser on the current system.
+type Browser interface {
+	// OpenURL opens the given URL in a web browser.
+	//
+	// Depending on the circumstances and on the target platform, this may or
+	// may not cause the browser to take input focus. Because of this
+	// uncertainty, any caller of this method must be sure to include some
+	// language in its UI output to let the user know that a browser tab has
+	// opened somewhere, so that they can go and find it if the focus didn't
+	// switch automatically.
+	OpenURL(url string) error
+}

go.mod

@@ -3,13 +3,15 @@ module kusionstack.io/component-base
 go 1.22.1
 
 require (
+	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c
 	github.com/spf13/cobra v1.8.0
+	github.com/spf13/pflag v1.0.5
 	go.uber.org/zap v1.27.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
 require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
+	golang.org/x/sys v0.1.0 // indirect
 )

go.sum

@@ -3,6 +3,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -18,6 +20,8 @@ go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
 go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=