From a9c75b081d670f32d862e105f3aeaef37b023d80 Mon Sep 17 00:00:00 2001
From: chentong <chenyinren@vip.qq.com>
Date: Mon, 17 Feb 2025 10:03:15 +0800
Subject: [PATCH] feat(validator): add IsIpPort (#294)

* fix: json tag omitempty convert error

* feat(validator): add IsIpPort

- Add IsIpPort function to check if a string is in the format ip:port
- Update validator_test.go to include tests for the new IsIpPort function
- Add an example test for IsIpPort in validator_example_test.go
---
 validator/validator.go              | 12 ++++++++++++
 validator/validator_example_test.go | 18 ++++++++++++++++++
 validator/validator_test.go         | 19 ++++++++++++++++++-
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/validator/validator.go b/validator/validator.go
index 6c4811d..90f2d9f 100644
--- a/validator/validator.go
+++ b/validator/validator.go
@@ -207,6 +207,18 @@ func IsIp(ipstr string) bool {
 	return ip != nil
 }
 
+// IsIpPort check if the string is ip:port.
+// Play:
+func IsIpPort(str string) bool {
+	host, port, err := net.SplitHostPort(str)
+	if err != nil {
+		return false
+	}
+
+	ip := net.ParseIP(host)
+	return ip != nil && IsPort(port)
+}
+
 // IsIpV4 check if the string is a ipv4 address.
 // Play: https://go.dev/play/p/zBGT99EjaIu
 func IsIpV4(ipstr string) bool {
diff --git a/validator/validator_example_test.go b/validator/validator_example_test.go
index c1c1ceb..c1e736a 100644
--- a/validator/validator_example_test.go
+++ b/validator/validator_example_test.go
@@ -348,6 +348,24 @@ func ExampleIsIp() {
 	// false
 }
 
+func ExampleIsIpPort() {
+	result1 := IsIpPort("127.0.0.1:8080")
+	result2 := IsIpPort("[0:0:0:0:0:0:0:1]:8080")
+	result3 := IsIpPort(":8080")
+	result4 := IsIpPort("::0:0:0:0:")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// false
+	// false
+}
+
 func ExampleIsIpV4() {
 	result1 := IsIpV4("127.0.0.1")
 	result2 := IsIpV4("::0:0:0:0:0:0:1")
diff --git a/validator/validator_test.go b/validator/validator_test.go
index a1b8d28..99e4fb8 100644
--- a/validator/validator_test.go
+++ b/validator/validator_test.go
@@ -225,6 +225,23 @@ func TestIsIp(t *testing.T) {
 	assert.Equal(false, IsIp("127"))
 }
 
+func TestIsIpPort(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestIsIpPort")
+
+	assert.Equal(true, IsIpPort("[0:0:0:0:0:0:0:1]:8080")) // valid IPv6 and port
+	assert.Equal(true, IsIpPort("127.0.0.1:8080"))         // valid IP and port
+
+	assert.Equal(false, IsIpPort(""))                     // empty string
+	assert.Equal(false, IsIpPort(":8080"))                // only port
+	assert.Equal(false, IsIpPort("127.0.0.1"))            // valid IP without port
+	assert.Equal(false, IsIpPort("0:0:0:0:0:0:0:1"))      // valid IPv6 without port
+	assert.Equal(false, IsIpPort("256.256.256.256:8080")) // invalid IP with valid port
+	assert.Equal(false, IsIpPort("256.256.256.256:abc"))  // invalid IP and invalid port
+	assert.Equal(false, IsIpPort("127.0.0.1:70000"))      // valid IP with invalid port
+}
+
 func TestIsIpV4(t *testing.T) {
 	t.Parallel()
 
@@ -315,7 +332,7 @@ func TestIsChinesePhone(t *testing.T) {
 
 	assert.Equal(true, IsChinesePhone("010-32116675"))
 	assert.Equal(true, IsChinesePhone("0464-8756213"))
-	assert.Equal(true, IsChinesePhone("0731-82251545")) //长沙晚报电话
+	assert.Equal(true, IsChinesePhone("0731-82251545")) // 长沙晚报电话
 	assert.Equal(false, IsChinesePhone("123-87562"))
 
 }