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Add BASE_PATH environment variable for the base path setting.

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This commit is contained in:
Roger Far 2024-01-05 11:57:30 -07:00
parent 388411748a
commit dfd97b2c3c
2 changed files with 11 additions and 10 deletions
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15
server/RdtClient.Service/Middleware/BaseHrefMiddleware.cs
View file

@ -1,19 +1,20 @@
using System.Text.RegularExpressions; using System.Text.RegularExpressions;
using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.Http;
using RdtClient.Data.Models.Internal;
namespace RdtClient.Service.Middleware; namespace RdtClient.Service.Middleware;
public class BaseHrefMiddleware public class BaseHrefMiddleware
{ {
private readonly RequestDelegate _next; private readonly RequestDelegate _next;
private readonly String _basePath;
public BaseHrefMiddleware(RequestDelegate next) public BaseHrefMiddleware(RequestDelegate next, String basePath)
{ {
_next = next; _next = next;
_basePath = $"/{basePath.TrimStart('/').TrimEnd('/')}/";
} }
public async Task InvokeAsync(HttpContext context, AppSettings appSettings) public async Task InvokeAsync(HttpContext context)
{ {
var originalBody = context.Response.Body; var originalBody = context.Response.Body;
@ -32,12 +33,10 @@ public class BaseHrefMiddleware
// ReSharper disable once ConditionalAccessQualifierIsNonNullableAccordingToAPIContract // ReSharper disable once ConditionalAccessQualifierIsNonNullableAccordingToAPIContract
if (context.Response.ContentType?.Contains("text/html") == true) if (context.Response.ContentType?.Contains("text/html") == true)
{ {
var basePath = $"/{appSettings.BasePath!.TrimStart('/').TrimEnd('/')}/"; responseBody = Regex.Replace(responseBody, @"<base href=""/""", @$"<base href=""{_basePath}""");
responseBody = Regex.Replace(responseBody, @"<base href=""/""", @$"<base href=""{basePath}"""); responseBody = Regex.Replace(responseBody, "(<script.*?src=\")(.*?)(\".*?</script>)", $"$1{_basePath}$2$3");
responseBody = Regex.Replace(responseBody, "(<link.*?href=\")(.*?)(\".*?>)", $"$1{_basePath}$2$3");
responseBody = Regex.Replace(responseBody, "(<script.*?src=\")(.*?)(\".*?</script>)", $"$1{basePath}$2$3");
responseBody = Regex.Replace(responseBody, "(<link.*?href=\")(.*?)(\".*?>)", $"$1{basePath}$2$3");
context.Response.Headers.Remove("Content-Length"); context.Response.Headers.Remove("Content-Length");
await context.Response.WriteAsync(responseBody); await context.Response.WriteAsync(responseBody);

6
server/RdtClient.Web/Program.cs
View file

@ -164,9 +164,11 @@ try
} }
}); });
if (!String.IsNullOrWhiteSpace(appSettings.BasePath)) var basePath = !String.IsNullOrWhiteSpace(appSettings.BasePath) ? appSettings.BasePath : !String.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable("BASE_PATH")) ? Environment.GetEnvironmentVariable("BASE_PATH") : null;
if (basePath != null)
{ {
app.UseMiddleware<BaseHrefMiddleware>(); app.UseMiddleware<BaseHrefMiddleware>(basePath);
} }
app.UseMiddleware<RequestLoggingMiddleware>(); app.UseMiddleware<RequestLoggingMiddleware>();