From bed8ba7d67357e840b967a639c37262a1a416fcb Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Thu, 4 Jul 2024 16:23:59 +0800
Subject: [PATCH] Use `sha256` to calculate the cache key.

Resolve #20164
---
 .../System/AbpStringExtensions.cs             | 30 +++++++++++++++++++
 ...IdentityModelDiscoveryDocumentCacheItem.cs |  2 +-
 .../IdentityModelTokenCacheItem.cs            |  2 +-
 3 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/framework/src/Volo.Abp.Core/System/AbpStringExtensions.cs b/framework/src/Volo.Abp.Core/System/AbpStringExtensions.cs
index 52258a12ee..bdfd644b28 100644
--- a/framework/src/Volo.Abp.Core/System/AbpStringExtensions.cs
+++ b/framework/src/Volo.Abp.Core/System/AbpStringExtensions.cs
@@ -400,6 +400,36 @@ public static class AbpStringExtensions
         }
     }
 
+    public static string ToSha256(this string str)
+    {
+        using (var sha = SHA256.Create())
+        {
+            var data = sha.ComputeHash(Encoding.UTF8.GetBytes(str));
+
+            var sb = new StringBuilder();
+            foreach (var d in data)
+            {
+                sb.Append(d.ToString("x2"));
+            }
+            return sb.ToString();
+        }
+    }
+
+    public static string ToSha512(this string str)
+    {
+        using (var sha = SHA512.Create())
+        {
+            var data = sha.ComputeHash(Encoding.UTF8.GetBytes(str));
+
+            var sb = new StringBuilder();
+            foreach (var d in data)
+            {
+                sb.Append(d.ToString("x2"));
+            }
+            return sb.ToString();
+        }
+    }
+
     /// <summary>
     /// Converts camelCase string to PascalCase string.
     /// </summary>
diff --git a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelDiscoveryDocumentCacheItem.cs b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelDiscoveryDocumentCacheItem.cs
index 6cabe5d9b9..5a8e617423 100644
--- a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelDiscoveryDocumentCacheItem.cs
+++ b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelDiscoveryDocumentCacheItem.cs
@@ -24,6 +24,6 @@ public class IdentityModelDiscoveryDocumentCacheItem
 
     public static string CalculateCacheKey(IdentityClientConfiguration configuration)
     {
-        return configuration.Authority.ToLower().ToMd5();
+        return configuration.Authority.ToLower().ToSha256();
     }
 }
diff --git a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelTokenCacheItem.cs b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelTokenCacheItem.cs
index 72beed1577..1970d7aba3 100644
--- a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelTokenCacheItem.cs
+++ b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelTokenCacheItem.cs
@@ -21,6 +21,6 @@ public class IdentityModelTokenCacheItem
 
     public static string CalculateCacheKey(IdentityClientConfiguration configuration)
     {
-        return string.Join(",", configuration.Select(x => x.Key + ":" + x.Value)).ToMd5();
+        return string.Join(",", configuration.Select(x => x.Key + ":" + x.Value)).ToSha256();
     }
 }