From 28145e0ffeb1f1c97cc503fb1e82ec18e8ebd588 Mon Sep 17 00:00:00 2001
From: Corentin Thomasset <corentin.thomasset74@gmail.com>
Date: Sat, 8 Apr 2023 21:10:00 +0200
Subject: [PATCH] feat(new-tool): ipv4 address converter

---
 src/tools/index.ts                            |  3 +-
 src/tools/ipv4-address-converter/index.ts     | 12 ++++
 .../ipv4-address-converter.service.test.ts    | 36 +++++++++++
 .../ipv4-address-converter.service.ts         | 38 +++++++++++
 .../ipv4-address-converter.vue                | 64 +++++++++++++++++++
 5 files changed, 152 insertions(+), 1 deletion(-)
 create mode 100644 src/tools/ipv4-address-converter/index.ts
 create mode 100644 src/tools/ipv4-address-converter/ipv4-address-converter.service.test.ts
 create mode 100644 src/tools/ipv4-address-converter/ipv4-address-converter.service.ts
 create mode 100644 src/tools/ipv4-address-converter/ipv4-address-converter.vue

diff --git a/src/tools/index.ts b/src/tools/index.ts
index 8ea8b54a..f1d63b79 100644
--- a/src/tools/index.ts
+++ b/src/tools/index.ts
@@ -1,6 +1,7 @@
 import { tool as base64FileConverter } from './base64-file-converter';
 import { tool as base64StringConverter } from './base64-string-converter';
 import { tool as basicAuthGenerator } from './basic-auth-generator';
+import { tool as ipv4AddressConverter } from './ipv4-address-converter';
 import { tool as benchmarkBuilder } from './benchmark-builder';
 import { tool as userAgentParser } from './user-agent-parser';
 import { tool as ipv4SubnetCalculator } from './ipv4-subnet-calculator';
@@ -103,7 +104,7 @@ export const toolsByCategory: ToolCategory[] = [
   },
   {
     name: 'Network',
-    components: [ipv4SubnetCalculator, macAddressLookup],
+    components: [ipv4SubnetCalculator, ipv4AddressConverter, macAddressLookup],
   },
   {
     name: 'Math',
diff --git a/src/tools/ipv4-address-converter/index.ts b/src/tools/ipv4-address-converter/index.ts
new file mode 100644
index 00000000..62d2daf1
--- /dev/null
+++ b/src/tools/ipv4-address-converter/index.ts
@@ -0,0 +1,12 @@
+import { Binary } from '@vicons/tabler';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'Ipv4 address converter',
+  path: '/ipv4-address-converter',
+  description: 'Convert an ip address into decimal, binary, hexadecimal or event in ipv6',
+  keywords: ['ipv4', 'address', 'converter', 'decimal', 'hexadecimal', 'binary', 'ipv6'],
+  component: () => import('./ipv4-address-converter.vue'),
+  icon: Binary,
+  createdAt: new Date('2023-04-08'),
+});
diff --git a/src/tools/ipv4-address-converter/ipv4-address-converter.service.test.ts b/src/tools/ipv4-address-converter/ipv4-address-converter.service.test.ts
new file mode 100644
index 00000000..ecdcfa2c
--- /dev/null
+++ b/src/tools/ipv4-address-converter/ipv4-address-converter.service.test.ts
@@ -0,0 +1,36 @@
+import { expect, describe, it } from 'vitest';
+import { isValidIpv4, ipv4ToInt } from './ipv4-address-converter.service';
+
+describe('ipv4-address-converter', () => {
+  describe('ipv4ToInt', () => {
+    it('should convert an IPv4 address to an integer', () => {
+      expect(ipv4ToInt({ ip: '192.168.0.1' })).toBe(3232235521);
+      expect(ipv4ToInt({ ip: '10.0.0.1' })).toBe(167772161);
+      expect(ipv4ToInt({ ip: '255.255.255.255' })).toBe(4294967295);
+    });
+  });
+
+  describe('isValidIpv4', () => {
+    it('should return true for a valid IP address', () => {
+      expect(isValidIpv4({ ip: '192.168.0.1' })).to.equal(true);
+      expect(isValidIpv4({ ip: '10.0.0.1' })).to.equal(true);
+    });
+
+    it('should return false for an invalid IP address', () => {
+      expect(isValidIpv4({ ip: '256.168.0.1' })).to.equal(false);
+      expect(isValidIpv4({ ip: '192.168.0' })).to.equal(false);
+      expect(isValidIpv4({ ip: '192.168.0.1.2' })).to.equal(false);
+      expect(isValidIpv4({ ip: '192.168.0.1.' })).to.equal(false);
+      expect(isValidIpv4({ ip: '.192.168.0.1' })).to.equal(false);
+      expect(isValidIpv4({ ip: '192.168.0.a' })).to.equal(false);
+    });
+
+    it('should return false for crap as input', () => {
+      expect(isValidIpv4({ ip: '' })).to.equal(false);
+      expect(isValidIpv4({ ip: ' ' })).to.equal(false);
+      expect(isValidIpv4({ ip: 'foo' })).to.equal(false);
+      expect(isValidIpv4({ ip: '-1' })).to.equal(false);
+      expect(isValidIpv4({ ip: '0' })).to.equal(false);
+    });
+  });
+});
diff --git a/src/tools/ipv4-address-converter/ipv4-address-converter.service.ts b/src/tools/ipv4-address-converter/ipv4-address-converter.service.ts
new file mode 100644
index 00000000..ffd5d804
--- /dev/null
+++ b/src/tools/ipv4-address-converter/ipv4-address-converter.service.ts
@@ -0,0 +1,38 @@
+import _ from 'lodash';
+
+export { ipv4ToInt, ipv4ToIpv6, isValidIpv4 };
+
+function ipv4ToInt({ ip }: { ip: string }) {
+  if (!isValidIpv4({ ip })) {
+    return 0;
+  }
+
+  return ip
+    .trim()
+    .split('.')
+    .reduce((acc, part, index) => acc + Number(part) * Math.pow(256, 3 - index), 0);
+}
+
+function ipv4ToIpv6({ ip, prefix = '0000:0000:0000:0000:0000:ffff:' }: { ip: string; prefix?: string }) {
+  if (!isValidIpv4({ ip })) {
+    return '';
+  }
+
+  return (
+    prefix +
+    _.chain(ip)
+      .trim()
+      .split('.')
+      .map((part) => parseInt(part).toString(16).padStart(2, '0'))
+      .chunk(2)
+      .map((blocks) => blocks.join(''))
+      .join(':')
+      .value()
+  );
+}
+
+function isValidIpv4({ ip }: { ip: string }) {
+  const cleanIp = ip.trim();
+
+  return /^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4}$/.test(cleanIp);
+}
diff --git a/src/tools/ipv4-address-converter/ipv4-address-converter.vue b/src/tools/ipv4-address-converter/ipv4-address-converter.vue
new file mode 100644
index 00000000..2721b1a8
--- /dev/null
+++ b/src/tools/ipv4-address-converter/ipv4-address-converter.vue
@@ -0,0 +1,64 @@
+<template>
+  <div>
+    <n-form-item label="An ipv4 address:" v-bind="validationAttrs">
+      <n-input v-model:value="rawIpAddress" placeholder="An ipv4 address..." />
+    </n-form-item>
+
+    <n-divider style="margin-top: 0" mt-0 />
+
+    <n-form-item
+      v-for="{ label, value } of convertedSections"
+      :key="label"
+      :label="label"
+      label-placement="left"
+      label-width="100"
+    >
+      <input-copyable
+        :value="validationAttrs.validationStatus === 'error' ? '' : value"
+        placeholder="Set a correct ipv4 address"
+      />
+    </n-form-item>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { useValidation } from '@/composable/validation';
+import { convertBase } from '../integer-base-converter/integer-base-converter.model';
+import { ipv4ToInt, ipv4ToIpv6, isValidIpv4 } from './ipv4-address-converter.service';
+
+const rawIpAddress = ref('192.168.1.1');
+
+const convertedSections = computed(() => {
+  const ipInDecimal = ipv4ToInt({ ip: rawIpAddress.value });
+
+  return [
+    {
+      label: 'Decimal : ',
+      value: String(ipInDecimal),
+    },
+    {
+      label: 'Hexadecimal: ',
+      value: convertBase({ fromBase: 10, toBase: 16, value: String(ipInDecimal) }).toUpperCase(),
+    },
+    {
+      label: 'Binary: ',
+      value: convertBase({ fromBase: 10, toBase: 2, value: String(ipInDecimal) }),
+    },
+    {
+      label: 'Ipv6: ',
+      value: ipv4ToIpv6({ ip: rawIpAddress.value }),
+    },
+    {
+      label: 'Ipv6 (short): ',
+      value: ipv4ToIpv6({ ip: rawIpAddress.value, prefix: '::ffff:' }),
+    },
+  ];
+});
+
+const { attrs: validationAttrs } = useValidation({
+  source: rawIpAddress,
+  rules: [{ message: 'Invalid ipv4 address', validator: (ip) => isValidIpv4({ ip }) }],
+});
+</script>
+
+<style lang="less" scoped></style>