From 7af7db60b69484583d948c660072f58fe1b9ea89 Mon Sep 17 00:00:00 2001
From: Sebastian <sebastian@squidex.io>
Date: Sun, 5 Dec 2021 20:26:46 +0100
Subject: [PATCH] Generate guid in script.

---
 .../Extensions/StringJintExtension.cs         | 20 +++++++++++
 .../src/Squidex.Infrastructure/RandomHash.cs  |  5 +++
 .../Scripting/JintScriptEngineHelperTests.cs  | 33 +++++++++++++++++++
 3 files changed, 58 insertions(+)

diff --git a/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Extensions/StringJintExtension.cs b/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Extensions/StringJintExtension.cs
index 41ad1fa8d..1b69eabe1 100644
--- a/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Extensions/StringJintExtension.cs
+++ b/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Extensions/StringJintExtension.cs
@@ -28,6 +28,18 @@ namespace Squidex.Domain.Apps.Core.Scripting.Extensions
             }
         };
 
+        private readonly Func<string, JsValue> sha512 = (text) =>
+        {
+            try
+            {
+                return text.ToSha512();
+            }
+            catch
+            {
+                return JsValue.Undefined;
+            }
+        };
+
         private readonly Func<string, JsValue> md5 = (text) =>
         {
             try
@@ -100,13 +112,21 @@ namespace Squidex.Domain.Apps.Core.Scripting.Extensions
             }
         };
 
+        private readonly Func<string> guid = () =>
+        {
+            return Guid.NewGuid().ToString();
+        };
+
         public Func<string, JsValue> Html2Text => html2Text;
 
         public void Extend(Engine engine)
         {
             engine.SetValue("slugify", slugify);
 
+            engine.SetValue("guid", guid);
+
             engine.SetValue("sha256", sha256);
+            engine.SetValue("sha512", sha512);
             engine.SetValue("md5", md5);
 
             engine.SetValue("toCamelCase", toCamelCase);
diff --git a/backend/src/Squidex.Infrastructure/RandomHash.cs b/backend/src/Squidex.Infrastructure/RandomHash.cs
index 868c7d2b4..e14180ecb 100644
--- a/backend/src/Squidex.Infrastructure/RandomHash.cs
+++ b/backend/src/Squidex.Infrastructure/RandomHash.cs
@@ -49,6 +49,11 @@ namespace Squidex.Infrastructure
             return value.ToHashed(SHA256.Create());
         }
 
+        public static string ToSha512(this string value)
+        {
+            return value.ToHashed(SHA512.Create());
+        }
+
         public static string ToSha256(this byte[] bytes)
         {
             return bytes.ToHashed(SHA256.Create());
diff --git a/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineHelperTests.cs b/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineHelperTests.cs
index 76edb64d7..208fff153 100644
--- a/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineHelperTests.cs
+++ b/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineHelperTests.cs
@@ -197,6 +197,23 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
             Assert.Equal("HelloWorld".ToSha256(), result);
         }
 
+        [Fact]
+        public void Should_compute_sha512_hash()
+        {
+            const string script = @"
+                return sha512(value);
+            ";
+
+            var vars = new ScriptVars
+            {
+                ["value"] = "HelloWorld"
+            };
+
+            var result = sut.Execute(vars, script).ToString();
+
+            Assert.Equal("HelloWorld".ToSha512(), result);
+        }
+
         [Fact]
         public void Should_compute_md5_hash()
         {
@@ -214,6 +231,22 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
             Assert.Equal("HelloWorld".ToMD5(), result);
         }
 
+        [Fact]
+        public void Should_compute_guid()
+        {
+            const string script = @"
+                return guid();
+            ";
+
+            var vars = new ScriptVars
+            {
+            };
+
+            var result = sut.Execute(vars, script).ToString();
+
+            Assert.True(Guid.TryParse(result, out _));
+        }
+
         [Fact]
         public async Task Should_throw_validation_exception_if_calling_reject()
         {