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Assets/Oculus/LipSync/Editor/OVRLipSyncBuildPostProcessor.cs

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+/************************************************************************************
+Filename    :   OVRLipSyncBuildPostProcessor.cs
+Content     :   Editor extension to generate LipSync-powered iOS apps
+Created     :   Feb 11th, 2019
+Copyright   :   Copyright Facebook Technologies, LLC and its affiliates.
+                All rights reserved.
+
+Licensed under the Oculus Audio SDK License Version 3.3 (the "License");
+you may not use the Oculus Audio SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+https://developer.oculus.com/licenses/audio-3.3/
+
+Unless required by applicable law or agreed to in writing, the Oculus Audio SDK
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+************************************************************************************/
+#if UNITY_IOS
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEditor.iOS.Xcode;
+using System.IO;
+using System.Text.RegularExpressions;
+
+class OVRLipSyncBuildPostProcessor : MonoBehaviour
+{
+    [PostProcessBuildAttribute(1)]
+    public static void OnPostprocessBuild(BuildTarget target, string pathToBuiltProject)
+    {
+        if (target == BuildTarget.iOS)
+        {
+            AddMicrophoneAccess(Path.Combine(pathToBuiltProject, "Info.plist"));
+            AddEmbeddedBinary(PBXProject.GetPBXProjectPath(pathToBuiltProject));
+        }
+    }
+
+    private static void AddMicrophoneAccess(string infoPlistPath)
+    {
+        const string micUsageProperty = "NSMicrophoneUsageDescription";
+
+        var plist = new PlistDocument();
+        plist.ReadFromFile(infoPlistPath);
+        var rootDict = plist.root.AsDict();
+        // Don't override the description other might have edited already
+        if (rootDict.values.ContainsKey(micUsageProperty))
+        {
+            return;
+        }
+        rootDict.SetString(micUsageProperty, "To lipsync you");
+        plist.WriteToFile(infoPlistPath);
+    }
+
+    private static void AddEmbeddedBinary(string projectPath)
+    {
+        const string buildPhaseName = "Embed Libraries";
+        const string dylibName = "libOVRLipSync.dylib";
+
+        var project = new PBXProject();
+        project.ReadFromFile(projectPath);
+
+        // Don't add the same library twice
+        if (project.FindFileGuidByProjectPath(dylibName) != null)
+        {
+            return;
+        }
+
+        var targetGUID = project.TargetGuidByName(PBXProject.GetUnityTargetName());
+        // Limit the target to ARM64
+        project.SetBuildProperty(targetGUID, "ARCHS", "arm64");
+
+        // Add dylib to the project
+        var dylibGUID = project.AddFile(
+            Path.Combine(Application.dataPath, "Oculus/LipSync/Plugins/iOS/" + dylibName),
+            dylibName);
+        // Copy it to the same folder as executable
+        var embedPhaseGuid = project.AddCopyFilesBuildPhase(targetGUID, buildPhaseName, "", "6");
+        project.AddFileToBuildSection(targetGUID, embedPhaseGuid, dylibGUID);
+        var content = project.WriteToString();
+
+        // Add CodeSignOnCopy attribute ot the library using an ugly regex
+        content = Regex.Replace(content,
+            "(?<="+ buildPhaseName + ")(?:.*)(\\/\\* " + Regex.Escape(dylibName) + " \\*\\/)(?=; };)",
+            m => m.Value.Replace(
+                    "/* " + dylibName + " */",
+                    "/* " + dylibName + " */; settings = {ATTRIBUTES = (CodeSignOnCopy, );}"
+                    )
+                    );
+        File.WriteAllText(projectPath, content);
+    }
+
+}
+
+#endif