fix incorrect link URLs in some cases

src/SMAPI.Web/Controllers/JsonValidatorController.cs

@@ -151,7 +151,7 @@ namespace StardewModdingAPI.Web.Controllers
                 return this.View("Index", new JsonValidatorModel(result.ID, schemaName, this.SchemaFormats).SetUploadError($"Pastebin error: {result.Error ?? "unknown error"}"));
 
             // redirect to view
-            return this.Redirect(this.Url.Action("Index", "LogParser", new { schemaName = schemaName, id = result.ID }));
+            return this.Redirect(this.Url.PlainAction("Index", "LogParser", new { schemaName = schemaName, id = result.ID }));
         }
 
 

src/SMAPI.Web/Controllers/LogParserController.cs

@@ -98,7 +98,7 @@ namespace StardewModdingAPI.Web.Controllers
                 return this.View("Index", this.GetModel(null, uploadError: uploadResult.UploadError));
 
             // redirect to view
-            return this.Redirect(this.Url.Action("Index", "LogParser", new { id = uploadResult.ID }));
+            return this.Redirect(this.Url.PlainAction("Index", "LogParser", new { id = uploadResult.ID }));
         }
 
 

src/SMAPI.Web/Controllers/ModsApiController.cs

@@ -11,6 +11,7 @@ using StardewModdingAPI.Toolkit.Framework.Clients.WebApi;
 using StardewModdingAPI.Toolkit.Framework.Clients.Wiki;
 using StardewModdingAPI.Toolkit.Framework.ModData;
 using StardewModdingAPI.Toolkit.Framework.UpdateData;
+using StardewModdingAPI.Web.Framework;
 using StardewModdingAPI.Web.Framework.Caching.Mods;
 using StardewModdingAPI.Web.Framework.Caching.Wiki;
 using StardewModdingAPI.Web.Framework.Clients.Chucklefish;
@@ -201,7 +202,7 @@ namespace StardewModdingAPI.Web.Controllers
 
             // get unofficial version
             if (wikiEntry?.Compatibility.UnofficialVersion != null && this.IsNewer(wikiEntry.Compatibility.UnofficialVersion, main?.Version) && this.IsNewer(wikiEntry.Compatibility.UnofficialVersion, optional?.Version))
-                unofficial = new ModEntryVersionModel(wikiEntry.Compatibility.UnofficialVersion, $"{this.Url.Action("Index", "Mods")}#{wikiEntry.Anchor}");
+                unofficial = new ModEntryVersionModel(wikiEntry.Compatibility.UnofficialVersion, $"{this.Url.PlainAction("Index", "Mods")}#{wikiEntry.Anchor}");
 
             // get unofficial version for beta
             if (wikiEntry?.HasBetaInfo == true)
@@ -211,7 +212,7 @@ namespace StardewModdingAPI.Web.Controllers
                     if (wikiEntry.BetaCompatibility.UnofficialVersion != null)
                     {
                         unofficialForBeta = (wikiEntry.BetaCompatibility.UnofficialVersion != null && this.IsNewer(wikiEntry.BetaCompatibility.UnofficialVersion, main?.Version) && this.IsNewer(wikiEntry.BetaCompatibility.UnofficialVersion, optional?.Version))
-                            ? new ModEntryVersionModel(wikiEntry.BetaCompatibility.UnofficialVersion, $"{this.Url.Action("Index", "Mods")}#{wikiEntry.Anchor}")
+                            ? new ModEntryVersionModel(wikiEntry.BetaCompatibility.UnofficialVersion, $"{this.Url.PlainAction("Index", "Mods")}#{wikiEntry.Anchor}")
                             : null;
                     }
                     else

src/SMAPI.Web/Framework/Extensions.cs

@@ -0,0 +1,28 @@
+using JetBrains.Annotations;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Routing;
+
+namespace StardewModdingAPI.Web.Framework
+{
+    /// <summary>Provides extensions on ASP.NET Core types.</summary>
+    public static class Extensions
+    {
+        /// <summary>Get a URL with the absolute path for an action method. Unlike <see cref="IUrlHelper.Action"/>, only the specified <paramref name="values"/> are added to the URL without merging values from the current HTTP request.</summary>
+        /// <param name="helper">The URL helper to extend.</param>
+        /// <param name="action">The name of the action method.</param>
+        /// <param name="controller">The name of the controller.</param>
+        /// <param name="values">An object that contains route values.</param>
+        /// <returns>The generated URL.</returns>
+        public static string PlainAction(this IUrlHelper helper, [AspMvcAction] string action, [AspMvcController] string controller, object values = null)
+        {
+            RouteValueDictionary valuesDict = new RouteValueDictionary(values);
+            foreach (var value in helper.ActionContext.RouteData.Values)
+            {
+                if (!valuesDict.ContainsKey(value.Key))
+                    valuesDict[value.Key] = null; // explicitly remove it from the URL
+            }
+
+            return helper.Action(action, controller, valuesDict);
+        }
+    }
+}

src/SMAPI.Web/SMAPI.Web.csproj

@@ -17,6 +17,7 @@
     <PackageReference Include="Hangfire.Mongo" Version="0.6.5" />
     <PackageReference Include="HtmlAgilityPack" Version="1.11.16" />
     <PackageReference Include="Humanizer.Core" Version="2.7.9" />
+    <PackageReference Include="JetBrains.Annotations" Version="2019.1.3" />
     <PackageReference Include="Markdig" Version="0.18.0" />
     <PackageReference Include="Microsoft.AspNetCore" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />

src/SMAPI.Web/Views/Index/Index.cshtml

@@ -1,4 +1,5 @@
 @using Microsoft.Extensions.Options
+@using StardewModdingAPI.Web.Framework
 @using StardewModdingAPI.Web.Framework.ConfigModels
 @inject IOptions<SiteConfig> SiteConfig
 @model StardewModdingAPI.Web.ViewModels.IndexModel
@@ -44,14 +45,14 @@
     }
     <div><a href="https://stardewvalleywiki.com/Modding:Player_Guide" class="secondary-cta">Player guide</a></div>
     <div class="sublinks">
-        <a href="https://github.com/Pathoschild/SMAPI">source code</a> | <a href="@Url.Action("Privacy", "Index")">privacy</a>
+        <a href="https://github.com/Pathoschild/SMAPI">source code</a> | <a href="@Url.PlainAction("Privacy", "Index")">privacy</a>
     </div>
     <img id="pufferchick" src="Content/images/pufferchick.png" />
 </div>
 
 <h2 id="help">Get help</h2>
 <ul>
-    <li><a href="@Url.Action("Index", "Mods")">Mod compatibility list</a></li>
+    <li><a href="@Url.PlainAction("Index", "Mods")">Mod compatibility list</a></li>
     <li>Get help <a href="https://smapi.io/community">on Discord or in the forums</a></li>
 </ul>
 
@@ -61,7 +62,7 @@
     <div class="github-description">
         @Html.Raw(Markdig.Markdown.ToHtml(Model.StableVersion.Description))
     </div>
-    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="@Url.Action("Index", "Mods")">mod compatibility list</a> for more info.</p>
+    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="@Url.PlainAction("Index", "Mods")">mod compatibility list</a> for more info.</p>
 }
 else
 {
@@ -70,13 +71,13 @@ else
     <div class="github-description">
         @Html.Raw(Markdig.Markdown.ToHtml(Model.StableVersion.Description))
     </div>
-    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="@Url.Action("Index", "Mods")">mod compatibility list</a> for more info.</p>
+    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="@Url.PlainAction("Index", "Mods")">mod compatibility list</a> for more info.</p>
 
     <h3>SMAPI @Model.BetaVersion.Version?</h3>
     <div class="github-description">
         @Html.Raw(Markdig.Markdown.ToHtml(Model.BetaVersion.Description))
     </div>
-    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="@Url.Action("Index", "Mods")">mod compatibility list</a> for more info.</p>
+    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="@Url.PlainAction("Index", "Mods")">mod compatibility list</a> for more info.</p>
 }
 
 <h2 id="donate">Support SMAPI ♥</h2>

src/SMAPI.Web/Views/Index/Privacy.cshtml

@@ -1,4 +1,5 @@
 @using Microsoft.Extensions.Options
+@using StardewModdingAPI.Web.Framework
 @using StardewModdingAPI.Web.Framework.ConfigModels
 @inject IOptions<SiteConfig> SiteConfig
 @{
@@ -8,7 +9,7 @@
     <link rel="stylesheet" href="~/Content/css/privacy.css" />
 }
 
-&larr; <a href="@Url.Action("Index", "Index")">back to SMAPI page</a>
+&larr; <a href="@Url.PlainAction("Index", "Index")">back to SMAPI page</a>
 
 <p>SMAPI is an <a href="https://github.com/Pathoschild/SMAPI">open-source</a> and non-profit project. Your privacy is important, so this page explains what information SMAPI uses and transmits. <strong>This page is informational only, it's not a legal document.</strong></p>
 

src/SMAPI.Web/Views/JsonValidator/Index.cshtml

@@ -1,10 +1,11 @@
+@using StardewModdingAPI.Web.Framework
 @using StardewModdingAPI.Web.ViewModels.JsonValidator
 @model JsonValidatorModel
 
 @{
     // get view data
-    string curPageUrl = this.Url.Action("Index", "JsonValidator", new { schemaName = Model.SchemaName, id = Model.PasteID });
+    string curPageUrl = this.Url.PlainAction("Index", "JsonValidator", new { schemaName = Model.SchemaName, id = Model.PasteID });
-    string newUploadUrl = this.Url.Action("Index", "JsonValidator", new { schemaName = Model.SchemaName });
+    string newUploadUrl = this.Url.PlainAction("Index", "JsonValidator", new { schemaName = Model.SchemaName });
     string schemaDisplayName = null;
     bool isValidSchema = Model.SchemaName != null && Model.SchemaFormats.TryGetValue(Model.SchemaName, out schemaDisplayName) && schemaDisplayName != "None";
 
@@ -35,7 +36,7 @@
     <script src="~/Content/js/json-validator.js"></script>
     <script>
         $(function() {
-            smapi.jsonValidator(@Json.Serialize(this.Url.Action("Index", "JsonValidator")), @Json.Serialize(Model.PasteID));
+            smapi.jsonValidator(@Json.Serialize(this.Url.PlainAction("Index", "JsonValidator", values: null)), @Json.Serialize(Model.PasteID));
         });
     </script>
 }
@@ -70,7 +71,7 @@ else if (Model.PasteID != null)
 @if (Model.Content == null)
 {
     <h2>Upload a JSON file</h2>
-    <form action="@this.Url.Action("PostAsync", "JsonValidator")" method="post">
+    <form action="@this.Url.PlainAction("PostAsync", "JsonValidator")" method="post">
         <ol>
             <li>
                 Choose the JSON format:<br />

src/SMAPI.Web/Views/LogParser/Index.cshtml

@@ -1,6 +1,7 @@
 @using Humanizer
 @using Newtonsoft.Json
 @using StardewModdingAPI.Toolkit.Utilities
+@using StardewModdingAPI.Web.Framework
 @using StardewModdingAPI.Web.Framework.LogParsing.Models
 @model StardewModdingAPI.Web.ViewModels.LogParserModel
 
@@ -32,7 +33,7 @@
                 showSections: @Json.Serialize(Enum.GetNames(typeof(LogSection)).ToDictionary(section => section, section => false), noFormatting),
                 showLevels: @Json.Serialize(defaultFilters, noFormatting),
                 enableFilters: @Json.Serialize(!Model.ShowRaw)
-            }, '@this.Url.Action("Index", "LogParser")');
+            }, '@this.Url.PlainAction("Index", "LogParser", values: null)');
         });
     </script>
 }
@@ -49,8 +50,8 @@ else if (Model.ParseError != null)
 {
     <div class="banner error" v-pre>
         <strong>Oops, couldn't parse that log. (Make sure you upload the log file, not the console text.)</strong><br />
-        Share this URL when asking for help: <code>https://@this.Context.Request.Host.ToUriComponent()@this.Url.Action("Index", "LogParser", new { id = Model.PasteID }))</code><br />
+        Share this URL when asking for help: <code>https://@this.Context.Request.Host.ToUriComponent()@this.Url.PlainAction("Index", "LogParser", new { id = Model.PasteID }))</code><br />
-        (Or <a href="@this.Url.Action("Index", "LogParser")">upload a new log</a>.)<br />
+        (Or <a href="@this.Url.PlainAction("Index", "LogParser", values: null)">upload a new log</a>.)<br />
         <br />
         <small v-pre>Error details: @Model.ParseError</small>
     </div>
@@ -58,8 +59,8 @@ else if (Model.ParseError != null)
 else if (Model.ParsedLog?.IsValid == true)
 {
     <div class="banner success" v-pre>
-        <strong>Share this link to let someone else see the log:</strong> <code>https://@this.Context.Request.Host.ToUriComponent()@this.Url.Action("Index", "LogParser", new { id = Model.PasteID })</code><br />
+        <strong>Share this link to let someone else see the log:</strong> <code>https://@this.Context.Request.Host.ToUriComponent()@this.Url.PlainAction("Index", "LogParser", new { id = Model.PasteID })</code><br />
-        (Or <a href="@this.Url.Action("Index", "LogParser")">upload a new log</a>.)
+        (Or <a href="@this.Url.PlainAction("Index", "LogParser", values: null)">upload a new log</a>.)
     </div>
 }
 
@@ -127,7 +128,7 @@ else if (Model.ParsedLog?.IsValid == true)
     </div>
 
     <h2>How do I share my log?</h2>
-    <form action="@this.Url.Action("PostAsync", "LogParser")" method="post">
+    <form action="@this.Url.PlainAction("PostAsync", "LogParser")" method="post">
         <ol>
             <li>
                 Drag the file onto this textbox (or paste the text in):<br />
@@ -322,12 +323,12 @@ else if (Model.ParsedLog?.IsValid == true)
                 }
             </table>
 
-            <small><a href="@this.Url.Action("Index", "LogParser", new { id = Model.PasteID })?raw=true">view raw log</a></small>
+            <small><a href="@this.Url.PlainAction("Index", "LogParser", new { id = Model.PasteID, raw = true })">view raw log</a></small>
         }
         else
         {
             <pre v-pre>@Model.ParsedLog.RawText</pre>
-            <small><a href="@this.Url.Action("Index", "LogParser", new { id = Model.PasteID })">view parsed log</a></small>
+            <small><a href="@this.Url.PlainAction("Index", "LogParser", new { id = Model.PasteID })">view parsed log</a></small>
         }
     </div>
 }

src/SMAPI.Web/Views/Shared/_Layout.cshtml

@@ -1,4 +1,5 @@
 @using Microsoft.Extensions.Options
+@using StardewModdingAPI.Web.Framework
 @using StardewModdingAPI.Web.Framework.ConfigModels
 @inject IOptions<SiteConfig> SiteConfig
 
@@ -15,15 +16,15 @@
     <div id="sidebar">
         <h4>SMAPI</h4>
         <ul>
-            <li><a href="@Url.Action("Index", "Index")">About SMAPI</a></li>
+            <li><a href="@Url.PlainAction("Index", "Index")">About SMAPI</a></li>
             <li><a href="https://stardewvalleywiki.com/Modding:Index">Modding docs</a></li>
         </ul>
 
         <h4>Tools</h4>
         <ul>
-            <li><a href="@Url.Action("Index", "Mods")">Mod compatibility</a></li>
+            <li><a href="@Url.PlainAction("Index", "Mods")">Mod compatibility</a></li>
-            <li><a href="@Url.Action("Index", "LogParser")">Log parser</a></li>
+            <li><a href="@Url.PlainAction("Index", "LogParser", values: null)">Log parser</a></li>
-            <li><a href="@Url.Action("Index", "JsonValidator")">JSON validator</a></li>
+            <li><a href="@Url.PlainAction("Index", "JsonValidator", values: null)">JSON validator</a></li>
         </ul>
     </div>
     <div id="content-column">