fix log parser error when uploading very large logs

1 files changed, 29 insertions, 12 deletions

diff --git a/src/SMAPI.Web/Framework/LogParser/PastebinClient.cs b/src/SMAPI.Web/Framework/LogParser/PastebinClient.cs
index 60441234..1cfaed17 100644
--- a/src/SMAPI.Web/Framework/LogParser/PastebinClient.cs
+++ b/src/SMAPI.Web/Framework/LogParser/PastebinClient.cs
@@ -3,7 +3,9 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
+using System.Text;
 using System.Threading.Tasks;
+using System.Web;
 using Pathoschild.Http.Client;
 
 namespace StardewModdingAPI.Web.Framework.LogParser
@@ -67,6 +69,8 @@ namespace StardewModdingAPI.Web.Framework.LogParser
             }
         }
 
+        /// <summary>Save a paste to Pastebin.</summary>
+        /// <param name="content">The paste content.</param>
         public async Task<SavePasteResponse> PostAsync(string content)
         {
             try
@@ -77,18 +81,18 @@ namespace StardewModdingAPI.Web.Framework.LogParser
 
                 // post to API
                 string response = await this.Client
-                        .PostAsync("api/api_post.php")
-                        .WithBodyContent(new FormUrlEncodedContent(new Dictionary<string, string>
-                        {
-                            ["api_option"] = "paste",
-                            ["api_user_key"] = this.UserKey,
-                            ["api_dev_key"] = this.DevKey,
-                            ["api_paste_private"] = "1", // unlisted
-                            ["api_paste_name"] = $"SMAPI log {DateTime.UtcNow:s}",
-                            ["api_paste_expire_date"] = "N", // never expire
-                            ["api_paste_code"] = content
-                        }))
-                        .AsString();
+                    .PostAsync("api/api_post.php")
+                    .WithBodyContent(this.GetFormUrlEncodedContent(new Dictionary<string, string>
+                    {
+                        ["api_option"] = "paste",
+                        ["api_user_key"] = this.UserKey,
+                        ["api_dev_key"] = this.DevKey,
+                        ["api_paste_private"] = "1", // unlisted
+                        ["api_paste_name"] = $"SMAPI log {DateTime.UtcNow:s}",
+                        ["api_paste_expire_date"] = "N", // never expire
+                        ["api_paste_code"] = content
+                    }))
+                    .AsString();
 
                 // handle Pastebin errors
                 if (string.IsNullOrWhiteSpace(response))
@@ -113,5 +117,18 @@ namespace StardewModdingAPI.Web.Framework.LogParser
         {
             this.Client.Dispose();
         }
+
+
+        /*********
+        ** Private methods
+        *********/
+        /// <summary>Build an HTTP content body with form-url-encoded content.</summary>
+        /// <param name="data">The content to encode.</param>
+        /// <remarks>This bypasses an issue where <see cref="FormUrlEncodedContent"/> restricts the body length to the maximum size of a URL, which isn't applicable here.</remarks>
+        private HttpContent GetFormUrlEncodedContent(IDictionary<string, string> data)
+        {
+            string body = string.Join("&", from arg in data select $"{HttpUtility.UrlEncode(arg.Key)}={HttpUtility.UrlEncode(arg.Value)}");
+            return new StringContent(body, Encoding.UTF8, "application/x-www-form-urlencoded");
+        }
     }
 }