MacUpdater: check os version

6 files changed, 246 insertions, 183 deletions

diff --git a/Source/Core/Common/build_info.txt.in b/Source/Core/Common/build_info.txt.in
index 3ae938cfc5..5d658d95e6 100644
--- a/Source/Core/Common/build_info.txt.in
+++ b/Source/Core/Common/build_info.txt.in
@@ -2,7 +2,6 @@
 // Updater will fail the update if the user does not meet this requirement.
 OSMinimumVersionWin10=10.0.15063.0
 OSMinimumVersionWin11=10.0.22000.0
-OSMinimumVersionMacOS=10.14
 
 // This is the runtime which was compiled against - providing a way for Updater to detect if update
 // is needed before executing this binary. Note that, annoyingly, the version in environment
diff --git a/Source/Core/MacUpdater/MacUI.mm b/Source/Core/MacUpdater/MacUI.mm
index 0b2699b1dd..388f5a1da4 100644
--- a/Source/Core/MacUpdater/MacUI.mm
+++ b/Source/Core/MacUpdater/MacUI.mm
@@ -5,6 +5,7 @@
 
 #include "UpdaterCommon/Platform.h"
 #include "UpdaterCommon/UI.h"
+#include "UpdaterCommon/UpdaterCommon.h"
 
 #include <Cocoa/Cocoa.h>
 #include <unistd.h>
@@ -138,20 +139,56 @@ void UI::Init()
 {
 }
 
-Platform::BuildInfo::BuildInfo(const std::string& content)
+bool Platform::VersionCheck(const std::vector<TodoList::UpdateOp>& to_update,
+                            const std::string& install_base_path, const std::string& temp_dir,
+                            FILE* log_fp)
 {
-  map = {{"OSMinimumVersionMacOS", ""}};
-  Parse(content);
-}
+  const auto op_it = std::find_if(to_update.cbegin(), to_update.cend(), [&](const auto& op) {
+    return op.filename == "Dolphin.app/Contents/Info.plist";
+  });
+  if (op_it == to_update.cend())
+    return true;
 
-bool Platform::VersionCheck(const BuildInfo& this_build_info, const BuildInfo& next_build_info)
-{
-  // TODO implement OS Minimum Version check
-  // It should go something like this:
-  // auto target_version = next_build_info.GetVersion("OSMinimumVersionMacOS");
-  // if (!target_version.has_value() || current_version >= target_version)
-  //   return true;
-  // show error
-  // return false;
+  const auto op = *op_it;
+  std::string plist_path = temp_dir + "/" + HexEncode(op.new_hash.data(), op.new_hash.size());
+
+  NSData* data = [NSData dataWithContentsOfFile:[NSString stringWithCString:plist_path.c_str()]];
+  if (!data)
+  {
+    fprintf(log_fp, "Failed to read %s, skipping platform version check.\n", plist_path.c_str());
+    return true;
+  }
+
+  NSError* error = nil;
+  NSDictionary* info_dict =
+      [NSPropertyListSerialization propertyListWithData:data
+                                                options:NSPropertyListImmutable
+                                                 format:nil
+                                                  error:&error];
+  if (error)
+  {
+    fprintf(log_fp, "Failed to parse %s, skipping platform version check.\n", plist_path.c_str());
+    return true;
+  }
+  NSString* min_version_str = info_dict[@"LSMinimumSystemVersion"];
+  if (!min_version_str)
+  {
+    fprintf(log_fp, "LSMinimumSystemVersion key missing, skipping platform version check.\n");
+    return true;
+  }
+
+  NSArray* components = [min_version_str componentsSeparatedByString:@"."];
+  NSOperatingSystemVersion next_version{
+      [components[0] integerValue], [components[1] integerValue], [components[2] integerValue]};
+
+  fprintf(log_fp, "Platform version check: next_version=%ld.%ld.%ld\n",
+          (long)next_version.majorVersion, (long)next_version.minorVersion,
+          (long)next_version.patchVersion);
+
+  if (![[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion:next_version])
+  {
+    UI::Error("Please update macOS in order to update Dolphin.");
+    return false;
+  }
   return true;
 }
diff --git a/Source/Core/UpdaterCommon/Platform.h b/Source/Core/UpdaterCommon/Platform.h
index 9489ba9947..546ceff98b 100644
--- a/Source/Core/UpdaterCommon/Platform.h
+++ b/Source/Core/UpdaterCommon/Platform.h
@@ -10,91 +10,10 @@
 #include "Common/CommonTypes.h"
 #include "Common/StringUtil.h"
 
-namespace Platform
-{
-struct BuildVersion
-{
-  u32 major{};
-  u32 minor{};
-  u32 build{};
-  auto operator<=>(BuildVersion const& rhs) const = default;
-  static std::optional<BuildVersion> from_string(const std::string& str)
-  {
-    auto components = SplitString(str, '.');
-    // Allow variable number of components (truncating after "build"), but not
-    // empty.
-    if (components.size() == 0)
-      return {};
-    BuildVersion version;
-    if (!TryParse(components[0], &version.major, 10))
-      return {};
-    if (components.size() > 1 && !TryParse(components[1], &version.minor, 10))
-      return {};
-    if (components.size() > 2 && !TryParse(components[2], &version.build, 10))
-      return {};
-    return version;
-  }
-};
-
-enum class VersionCheckStatus
-{
-  NothingToDo,
-  UpdateOptional,
-  UpdateRequired,
-};
-
-struct VersionCheckResult
-{
-  VersionCheckStatus status{VersionCheckStatus::NothingToDo};
-  std::optional<BuildVersion> current_version{};
-  std::optional<BuildVersion> target_version{};
-};
+#include "UpdaterCommon/UpdaterCommon.h"
 
-class BuildInfo
+namespace Platform
 {
-  using Map = std::map<std::string, std::string>;
-
-public:
-  BuildInfo() = default;
-  BuildInfo(const std::string& content);
-
-  std::optional<std::string> GetString(const std::string& name) const
-  {
-    auto it = map.find(name);
-    if (it == map.end() || it->second.size() == 0)
-      return {};
-    return it->second;
-  }
-
-  std::optional<BuildVersion> GetVersion(const std::string& name) const
-  {
-    auto str = GetString(name);
-    if (!str.has_value())
-      return {};
-    return BuildVersion::from_string(str.value());
-  }
-
-private:
-  void Parse(const std::string& content)
-  {
-    std::stringstream content_stream(content);
-    std::string line;
-    while (std::getline(content_stream, line))
-    {
-      if (line.starts_with("//"))
-        continue;
-      const size_t equals_index = line.find('=');
-      if (equals_index == line.npos)
-        continue;
-      auto key = line.substr(0, equals_index);
-      auto key_it = map.find(key);
-      if (key_it == map.end())
-        continue;
-      key_it->second = line.substr(equals_index + 1);
-    }
-  }
-  Map map;
-};
-
-bool VersionCheck(const BuildInfo& this_build_info, const BuildInfo& next_build_info);
+bool VersionCheck(const std::vector<TodoList::UpdateOp>& to_update,
+                  const std::string& install_base_path, const std::string& temp_dir, FILE* log_fp);
 }  // namespace Platform
diff --git a/Source/Core/UpdaterCommon/UpdaterCommon.cpp b/Source/Core/UpdaterCommon/UpdaterCommon.cpp
index e307b0610e..6fdb9630a0 100644
--- a/Source/Core/UpdaterCommon/UpdaterCommon.cpp
+++ b/Source/Core/UpdaterCommon/UpdaterCommon.cpp
@@ -34,51 +34,14 @@
 
 // Refer to docs/autoupdate_overview.md for a detailed overview of the autoupdate process
 
-namespace
-{
 // Where to log updater output.
-FILE* log_fp = stderr;
+static FILE* log_fp = stderr;
 
 // Public key used to verify update manifests.
 const std::array<u8, 32> UPDATE_PUB_KEY = {
     0x2a, 0xb3, 0xd1, 0xdc, 0x6e, 0xf5, 0x07, 0xf6, 0xa0, 0x6c, 0x7c, 0x54, 0xdf, 0x54, 0xf4, 0x42,
     0x80, 0xa6, 0x28, 0x8b, 0x6d, 0x70, 0x14, 0xb5, 0x4c, 0x34, 0x95, 0x20, 0x4d, 0xd4, 0xd3, 0x5d};
 
-struct Manifest
-{
-  using Filename = std::string;
-  using Hash = std::array<u8, 16>;
-  std::map<Filename, Hash> entries;
-};
-
-// Represent the operations to be performed by the updater.
-struct TodoList
-{
-  struct DownloadOp
-  {
-    Manifest::Filename filename;
-    Manifest::Hash hash{};
-  };
-  std::vector<DownloadOp> to_download;
-
-  struct UpdateOp
-  {
-    Manifest::Filename filename;
-    std::optional<Manifest::Hash> old_hash;
-    Manifest::Hash new_hash{};
-  };
-  std::vector<UpdateOp> to_update;
-
-  struct DeleteOp
-  {
-    Manifest::Filename filename;
-    Manifest::Hash old_hash{};
-  };
-  std::vector<DeleteOp> to_delete;
-
-  void Log() const;
-};
-
 bool ProgressCallback(double total, double now, double, double)
 {
   UI::SetCurrentProgress(static_cast<int>(now), static_cast<int>(total));
@@ -289,35 +252,7 @@ bool PlatformVersionCheck(const std::vector<TodoList::UpdateOp>& to_update,
                           const std::string& install_base_path, const std::string& temp_dir)
 {
   UI::SetDescription("Checking platform...");
-
-  const auto op_it = std::find_if(to_update.cbegin(), to_update.cend(),
-                                  [&](const auto& op) { return op.filename == "build_info.txt"; });
-  if (op_it == to_update.cend())
-    return true;
-
-  const auto op = *op_it;
-  std::string build_info_path =
-      temp_dir + DIR_SEP + HexEncode(op.new_hash.data(), op.new_hash.size());
-  std::string build_info_content;
-  if (!File::ReadFileToString(build_info_path, build_info_content) ||
-      op.new_hash != ComputeHash(build_info_content))
-  {
-    fprintf(log_fp, "Failed to read %s\n.", build_info_path.c_str());
-    return false;
-  }
-  auto next_build_info = Platform::BuildInfo(build_info_content);
-
-  build_info_path = install_base_path + DIR_SEP + "build_info.txt";
-  auto this_build_info = Platform::BuildInfo();
-  if (File::ReadFileToString(build_info_path, build_info_content))
-  {
-    if (op.old_hash != ComputeHash(build_info_content))
-      fprintf(log_fp, "Using modified existing BuildInfo %s.\n", build_info_path.c_str());
-    this_build_info = Platform::BuildInfo(build_info_content);
-  }
-
-  // The existing BuildInfo may have been modified. Be careful not to overly trust its contents!
-  return Platform::VersionCheck(this_build_info, next_build_info);
+  return Platform::VersionCheck(to_update, install_base_path, temp_dir, log_fp);
 }
 
 TodoList ComputeActionsToDo(Manifest this_manifest, Manifest next_manifest)
@@ -732,7 +667,6 @@ std::optional<Options> ParseCommandLine(std::vector<std::string>& args)
 
   return opts;
 }
-};  // namespace
 
 bool RunUpdater(std::vector<std::string> args)
 {
diff --git a/Source/Core/UpdaterCommon/UpdaterCommon.h b/Source/Core/UpdaterCommon/UpdaterCommon.h
index 178ceffe28..679a339f90 100644
--- a/Source/Core/UpdaterCommon/UpdaterCommon.h
+++ b/Source/Core/UpdaterCommon/UpdaterCommon.h
@@ -14,4 +14,41 @@
 
 // Refer to docs/autoupdate_overview.md for a detailed overview of the autoupdate process
 
+struct Manifest
+{
+  using Filename = std::string;
+  using Hash = std::array<u8, 16>;
+  std::map<Filename, Hash> entries;
+};
+
+// Represent the operations to be performed by the updater.
+struct TodoList
+{
+  struct DownloadOp
+  {
+    Manifest::Filename filename;
+    Manifest::Hash hash{};
+  };
+  std::vector<DownloadOp> to_download;
+
+  struct UpdateOp
+  {
+    Manifest::Filename filename;
+    std::optional<Manifest::Hash> old_hash;
+    Manifest::Hash new_hash{};
+  };
+  std::vector<UpdateOp> to_update;
+
+  struct DeleteOp
+  {
+    Manifest::Filename filename;
+    Manifest::Hash old_hash{};
+  };
+  std::vector<DeleteOp> to_delete;
+
+  void Log() const;
+};
+
+std::string HexEncode(const u8* buffer, size_t size);
+Manifest::Hash ComputeHash(const std::string& contents);
 bool RunUpdater(std::vector<std::string> args);
diff --git a/Source/Core/WinUpdater/Platform.cpp b/Source/Core/WinUpdater/Platform.cpp
index 8c79479560..565d53c413 100644
--- a/Source/Core/WinUpdater/Platform.cpp
+++ b/Source/Core/WinUpdater/Platform.cpp
@@ -4,6 +4,7 @@
 #include <map>
 #include <optional>
 
+#include "Common/CommonPaths.h"
 #include "Common/FileUtil.h"
 #include "Common/HttpRequest.h"
 #include "Common/IOFile.h"
@@ -12,17 +13,106 @@
 
 #include "UpdaterCommon/Platform.h"
 #include "UpdaterCommon/UI.h"
+#include "UpdaterCommon/UpdaterCommon.h"
 
 namespace Platform
 {
-BuildInfo::BuildInfo(const std::string& content)
+struct BuildVersion
 {
-  map = {{"OSMinimumVersionWin10", ""},
-         {"OSMinimumVersionWin11", ""},
-         {"VCToolsVersion", ""},
-         {"VCToolsUpdateURL", ""}};
-  Parse(content);
-}
+  u32 major{};
+  u32 minor{};
+  u32 build{};
+  auto operator<=>(BuildVersion const& rhs) const = default;
+  static std::optional<BuildVersion> from_string(const std::string& str)
+  {
+    auto components = SplitString(str, '.');
+    // Allow variable number of components (truncating after "build"), but not
+    // empty.
+    if (components.size() == 0)
+      return {};
+    BuildVersion version;
+    if (!TryParse(components[0], &version.major, 10))
+      return {};
+    if (components.size() > 1 && !TryParse(components[1], &version.minor, 10))
+      return {};
+    if (components.size() > 2 && !TryParse(components[2], &version.build, 10))
+      return {};
+    return version;
+  }
+};
+
+enum class VersionCheckStatus
+{
+  NothingToDo,
+  UpdateOptional,
+  UpdateRequired,
+};
+
+struct VersionCheckResult
+{
+  VersionCheckStatus status{VersionCheckStatus::NothingToDo};
+  std::optional<BuildVersion> current_version{};
+  std::optional<BuildVersion> target_version{};
+};
+
+class BuildInfo
+{
+  using Map = std::map<std::string, std::string>;
+
+public:
+  BuildInfo() = default;
+  BuildInfo(const std::string& content)
+  {
+    map = {{"OSMinimumVersionWin10", ""},
+           {"OSMinimumVersionWin11", ""},
+           {"VCToolsVersion", ""},
+           {"VCToolsUpdateURL", ""}};
+    Parse(content);
+  }
+
+  std::optional<std::string> GetString(const std::string& name) const
+  {
+    auto it = map.find(name);
+    if (it == map.end() || it->second.size() == 0)
+      return {};
+    return it->second;
+  }
+
+  std::optional<BuildVersion> GetVersion(const std::string& name) const
+  {
+    auto str = GetString(name);
+    if (!str.has_value())
+      return {};
+    return BuildVersion::from_string(str.value());
+  }
+
+private:
+  void Parse(const std::string& content)
+  {
+    std::stringstream content_stream(content);
+    std::string line;
+    while (std::getline(content_stream, line))
+    {
+      if (line.starts_with("//"))
+        continue;
+      const size_t equals_index = line.find('=');
+      if (equals_index == line.npos)
+        continue;
+      auto key = line.substr(0, equals_index);
+      auto key_it = map.find(key);
+      if (key_it == map.end())
+        continue;
+      key_it->second = line.substr(equals_index + 1);
+    }
+  }
+  Map map;
+};
+
+struct BuildInfos
+{
+  BuildInfo current;
+  BuildInfo next;
+};
 
 // This default value should be kept in sync with the value of VCToolsUpdateURL in
 // build_info.txt.in
@@ -63,14 +153,13 @@ static std::optional<BuildVersion> GetInstalledVCRuntimeVersion()
   return version;
 }
 
-static VersionCheckResult VCRuntimeVersionCheck(const BuildInfo& this_build_info,
-                                                const BuildInfo& next_build_info)
+static VersionCheckResult VCRuntimeVersionCheck(const BuildInfos& build_infos)
 {
   VersionCheckResult result;
   result.current_version = GetInstalledVCRuntimeVersion();
-  result.target_version = next_build_info.GetVersion("VCToolsVersion");
+  result.target_version = build_infos.next.GetVersion("VCToolsVersion");
 
-  auto existing_version = this_build_info.GetVersion("VCToolsVersion");
+  auto existing_version = build_infos.current.GetVersion("VCToolsVersion");
 
   if (!result.target_version.has_value())
     result.status = VersionCheckStatus::UpdateOptional;
@@ -155,10 +244,45 @@ static VersionCheckResult OSVersionCheck(const BuildInfo& build_info)
   return result;
 }
 
-bool VersionCheck(const BuildInfo& this_build_info, const BuildInfo& next_build_info)
+std::optional<BuildInfos> InitBuildInfos(const std::vector<TodoList::UpdateOp>& to_update,
+                                         const std::string& install_base_path,
+                                         const std::string& temp_dir, FILE* log_fp)
 {
+  const auto op_it = std::find_if(to_update.cbegin(), to_update.cend(),
+                                  [&](const auto& op) { return op.filename == "build_info.txt"; });
+  if (op_it == to_update.cend())
+    return {};
+
+  const auto op = *op_it;
+  std::string build_info_path =
+      temp_dir + DIR_SEP + HexEncode(op.new_hash.data(), op.new_hash.size());
+  std::string build_info_content;
+  if (!File::ReadFileToString(build_info_path, build_info_content) ||
+      op.new_hash != ComputeHash(build_info_content))
+  {
+    fprintf(log_fp, "Failed to read %s\n.", build_info_path.c_str());
+    return {};
+  }
+  BuildInfos build_infos;
+  build_infos.next = Platform::BuildInfo(build_info_content);
+
+  build_info_path = install_base_path + DIR_SEP + "build_info.txt";
+  build_infos.current = Platform::BuildInfo();
+  if (File::ReadFileToString(build_info_path, build_info_content))
+  {
+    if (op.old_hash != ComputeHash(build_info_content))
+      fprintf(log_fp, "Using modified existing BuildInfo %s.\n", build_info_path.c_str());
+    build_infos.current = Platform::BuildInfo(build_info_content);
+  }
+  return build_infos;
+}
+
+bool CheckBuildInfo(const BuildInfos& build_infos)
+{
+  // The existing BuildInfo may have been modified. Be careful not to overly trust its contents!
+
   // If the binary requires more recent OS, inform the user.
-  auto os_check = OSVersionCheck(next_build_info);
+  auto os_check = OSVersionCheck(build_infos.next);
   if (os_check.status == VersionCheckStatus::UpdateRequired)
   {
     UI::Error("Please update Windows in order to update Dolphin.");
@@ -167,13 +291,13 @@ bool VersionCheck(const BuildInfo& this_build_info, const BuildInfo& next_build_
 
   // Check if application being launched needs more recent version of VC Redist. If so, download
   // latest updater and execute it.
-  auto vc_check = VCRuntimeVersionCheck(this_build_info, next_build_info);
+  auto vc_check = VCRuntimeVersionCheck(build_infos);
   if (vc_check.status != VersionCheckStatus::NothingToDo)
   {
     // Don't bother checking status of the install itself, just check if we actually see the new
     // version.
-    VCRuntimeUpdate(next_build_info);
-    vc_check = VCRuntimeVersionCheck(this_build_info, next_build_info);
+    VCRuntimeUpdate(build_infos.next);
+    vc_check = VCRuntimeVersionCheck(build_infos);
     if (vc_check.status == VersionCheckStatus::UpdateRequired)
     {
       // The update is required and the install failed for some reason.
@@ -184,4 +308,17 @@ bool VersionCheck(const BuildInfo& this_build_info, const BuildInfo& next_build_
 
   return true;
 }
+
+bool VersionCheck(const std::vector<TodoList::UpdateOp>& to_update,
+                  const std::string& install_base_path, const std::string& temp_dir, FILE* log_fp)
+{
+  auto build_infos = InitBuildInfos(to_update, install_base_path, temp_dir, log_fp);
+  // If there's no build info, it means the check should be skipped.
+  if (!build_infos.has_value())
+  {
+    return true;
+  }
+  return CheckBuildInfo(build_infos.value());
+}
+
 }  // namespace Platform