Decompile 3 functions in Source/Contents/UserData/AccountLinkedUserDataLoadAsyncWork.cpp

Batch #10824 by cremane: 0 byte-identical, 3 confirmed by peer review.

- fn_03440 CAccountLinkedUserDataLoadAsyncWork::CAccountLinkedUserDataLoadAsyncWork: logic confirmed by peer review
- fn_03445 CAccountLinkedUserDataLoadAsyncWork::Bind: logic confirmed by peer review
- fn_03449 CAccountLinkedUserDataLoadAsyncWork::Execute: logic confirmed by peer review

Peer-reviewed-by: ragnarok-clanker, Tanke, StrawberrysherbetIX
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).

Source/Contents/UserData/AccountLinkedUserDataLoadAsyncWork.cpp

@@ -2,6 +2,8 @@
 #include "Contents/UserData/AccountLinkedUserDataMgr.h"
 #include "Network/Http/CURLPostHander.h"
 #include "Network/TextEncoding.h"
+#include "Utility/Cipher/XorBytes.h"
+#include "Utility/Text/FormatString.h"
 
 #include <cstdio>
 #include <windows.h>
@@ -13,16 +15,53 @@ namespace {
                                 "untLinkedUserDataLoadAsyncWork.cpp";
 
   // INLINED
-  AsyncDiagnostic Diagnostic(bool success, const char* text, std::uint32_t line) {
+  __forceinline AsyncDiagnostic Diagnostic(bool success, const char* text, std::uint32_t line) {
     std::string message = text;
     return AsyncDiagnostic(&success, &message, sourceFile, &line);
   }
+
+  template <std::size_t Length, std::uint64_t Key>
+  class EncryptedName {
+  public:
+    explicit EncryptedName(const std::uint8_t (&source)[Length]) : m_encrypted(true) {
+      for (std::uint64_t index = 0; index < Length; ++index) {
+        this->m_text[index] = source[index];
+      }
+    }
+
+    ~EncryptedName() {
+      for (std::uint64_t index = 0; index < Length; ++index) {
+        this->m_text[index] = 0;
+      }
+    }
+
+    const char* Text() {
+      if (this->m_encrypted) {
+        utility::XorBytes(this->m_text, Length, Key);
+        this->m_encrypted = false;
+      }
+
+      return reinterpret_cast<const char*>(this->m_text);
+    }
+
+  private:
+    /* 0000 */ std::uint8_t m_text[Length];
+    bool m_encrypted;
+  };
+
+  // INLINED
+  template <std::uint64_t Key, std::size_t Length>
+  const char* DecryptName(const std::uint8_t (&source)[Length]) {
+    thread_local EncryptedName<Length, Key> name(source);
+    return name.Text();
+  }
 }
 
 // OFFSET: 0x005B9E50
 // FUNCTION: fn_03440
 CAccountLinkedUserDataLoadAsyncWork::CAccountLinkedUserDataLoadAsyncWork()
-    : NAsyncWork("AccountLinkedUserData_Load"), m_accountId(0), m_diagnostic(Diagnostic(false, "unknwon", 26)) {
+    : NAsyncWork("AccountLinkedUserData_Load"), m_accountId(0),
+      m_diagnostic(Diagnostic(false, DecryptName<0x59278F63D79F3DA1ULL>({0xD4, 0x53, 0xF4, 0xB9, 0x14, 0xE0, 0x49, 0x59}), 26)) {
 }
 
 // INLINED
@@ -41,9 +80,10 @@ void CAccountLinkedUserDataLoadAsyncWork::Bind(std::uint32_t accountId, std::str
   this->m_key = 0;
   this->m_accountName = accountName;
   this->m_url = url;
-  this->m_response.clear();
+  this->m_response = "";
 
-  AsyncDiagnostic diagnostic = Diagnostic(false, "unknwon", 50);
+  const std::uint8_t unknown[] = {0xC2, 0x69, 0x3C, 0xA3, 0x5C, 0x88, 0x45, 0x81};
+  AsyncDiagnostic diagnostic = Diagnostic(false, DecryptName<0x812BE72BCD5707B7ULL>(unknown), 50);
   this->m_diagnostic.MoveFrom(diagnostic);
 }
 
@@ -51,16 +91,19 @@ void CAccountLinkedUserDataLoadAsyncWork::Bind(std::uint32_t accountId, std::str
 // FUNCTION: fn_03449
 bool CAccountLinkedUserDataLoadAsyncWork::Execute() {
   char accountId[64] = {};
-  _snprintf_s(accountId, sizeof(accountId), _TRUNCATE, "%d", static_cast<std::int32_t>(this->m_accountId));
+  StringFormat(accountId, sizeof(accountId), _TRUNCATE, "%lu", this->m_accountId);
 
   std::string name = ToUtf8(this->m_accountName);
   CCURLPostHander handler(this->m_url);
-  handler.AddField("AID", accountId, 4);
-  handler.AddField("WorldName", name, 4);
+  const std::uint8_t aid[] = {0x56, 0xB0, 0x0B, 0xB9};
+  handler.AddField(DecryptName<0xC52FB5FBB94FF917ULL>(aid), accountId, 4);
+  const std::uint8_t worldName[] = {0x92, 0xA2, 0xF5, 0x99, 0xC5, 0xED, 0x86, 0xFE, 0xA0, 0xCD};
+  handler.AddField(DecryptName<0x93E7A3A1F587CDC5ULL>(worldName), name, 4);
 
   if (handler.Perform() == 0) {
     this->m_response = handler.Response();
-    AsyncDiagnostic diagnostic = Diagnostic(true, "good", 92);
+    const std::uint8_t good[] = {0x40, 0x6E, 0x68, 0x09, 0x03};
+    AsyncDiagnostic diagnostic = Diagnostic(true, DecryptName<0x2FF3C5036D070127ULL>(good), 92);
     this->m_diagnostic.MoveFrom(diagnostic);
   }