Add expo plugin to support AppAuth in app delegate

Author: 0x7f

examples/onetrust/app.json

@@ -26,7 +26,8 @@
       "favicon": "./assets/favicon.png"
     },
     "plugins": [
-      "react-native-app-auth"
+      "react-native-app-auth",
+      "@contentpass/react-native-contentpass-cmp-onetrust"
     ]
   }
 }

packages/react-native-contentpass-cmp-onetrust/app.plugin.js

@@ -0,0 +1,75 @@
+const { withDangerousMod } = require("@expo/config-plugins");
+const fs = require("fs");
+const path = require("path");
+
+/**
+ * Fills gaps left by react-native-app-auth's Expo config plugin on SDK 55+.
+ *
+ * The upstream plugin hardcodes "public class AppDelegate" in its string
+ * replacements, but Expo SDK 55 generates "class AppDelegate" (without
+ * "public"), causing the replacements to silently fail.  This plugin runs
+ * via withDangerousMod (after all mods) and patches whatever is still missing.
+ *
+ * Upstream issue: https://github.com/FormidableLabs/react-native-app-auth/issues/1110
+ * Upstream fix (pending): https://github.com/FormidableLabs/react-native-app-auth/pull/1109
+ */
+function withAppAuthProtocol(config) {
+  return withDangerousMod(config, [
+    "ios",
+    (config) => {
+      const appDelegatePath = path.join(
+        config.modRequest.platformProjectRoot,
+        config.modRequest.projectName,
+        "AppDelegate.swift"
+      );
+
+      if (!fs.existsSync(appDelegatePath)) {
+        return config;
+      }
+
+      let contents = fs.readFileSync(appDelegatePath, "utf-8");
+      let modified = false;
+
+      // 1. Add protocol conformance if missing
+      if (!contents.includes("RNAppAuthAuthorizationFlowManager")) {
+        contents = contents.replace(
+          /class AppDelegate:\s*ExpoAppDelegate\s*\{/,
+          "class AppDelegate: ExpoAppDelegate, RNAppAuthAuthorizationFlowManager {"
+        );
+        modified = true;
+      }
+
+      // 2. Add delegate property if missing
+      if (!contents.includes("authorizationFlowManagerDelegate")) {
+        contents = contents.replace(
+          /(var reactNativeFactory: RCTReactNativeFactory\?)/,
+          "$1\n\n  public weak var authorizationFlowManagerDelegate: RNAppAuthAuthorizationFlowManagerDelegate?"
+        );
+        modified = true;
+      }
+
+      // 3. Add URL-handling delegate check if missing
+      if (!contents.includes("resumeExternalUserAgentFlow")) {
+        const authFlowCheck =
+          "    if let authorizationFlowManagerDelegate = self.authorizationFlowManagerDelegate {\n" +
+          "      if authorizationFlowManagerDelegate.resumeExternalUserAgentFlow(with: url) {\n" +
+          "         return true\n" +
+          "      }\n" +
+          "    }\n";
+        contents = contents.replace(
+          /(return super\.application\(app, open: url, options: options\))/,
+          authFlowCheck + "    $1"
+        );
+        modified = true;
+      }
+
+      if (modified) {
+        fs.writeFileSync(appDelegatePath, contents);
+      }
+
+      return config;
+    },
+  ]);
+}
+
+module.exports = withAppAuthProtocol;

packages/react-native-contentpass-cmp-onetrust/package.json

@@ -15,11 +15,14 @@
         "types": "./lib/typescript/react-native-contentpass-cmp-onetrust/src/index.d.ts",
         "default": "./lib/commonjs/index.js"
       }
-    }
+    },
+    "./app.plugin": "./app.plugin.js",
+    "./app.plugin.js": "./app.plugin.js"
   },
   "types": "./lib/typescript/react-native-contentpass-cmp-onetrust/src/index.d.ts",
   "files": [
     "lib",
+    "app.plugin.js",
     "!**/*.test.ts",
     "!**/*.test.tsx",
     "!**/__tests__",
@@ -54,10 +57,17 @@
   },
   "peerDependencies": {
     "@contentpass/react-native-contentpass": "*",
+    "@expo/config-plugins": ">=9.0.0",
     "react-native-onetrust-cmp": "*"
   },
+  "peerDependenciesMeta": {
+    "@expo/config-plugins": {
+      "optional": true
+    }
+  },
   "devDependencies": {
     "@contentpass/react-native-contentpass": "workspace:*",
+    "@expo/config-plugins": "^9.0.0",
     "@react-native-community/cli": "20.1.1",
     "@react-native/babel-preset": "0.83.1",
     "@types/jest": "^30.0.0",

yarn.lock

@@ -53,6 +53,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/code-frame@npm:~7.10.4":
+  version: 7.10.4
+  resolution: "@babel/code-frame@npm:7.10.4"
+  dependencies:
+    "@babel/highlight": ^7.10.4
+  checksum: feb4543c8a509fe30f0f6e8d7aa84f82b41148b963b826cd330e34986f649a85cb63b2f13dd4effdf434ac555d16f14940b8ea5f4433297c2f5ff85486ded019
+  languageName: node
+  linkType: hard
+
 "@babel/compat-data@npm:^7.22.6, @babel/compat-data@npm:^7.25.9, @babel/compat-data@npm:^7.26.0":
   version: 7.26.3
   resolution: "@babel/compat-data@npm:7.26.3"
@@ -548,6 +557,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/highlight@npm:^7.10.4":
+  version: 7.25.9
+  resolution: "@babel/highlight@npm:7.25.9"
+  dependencies:
+    "@babel/helper-validator-identifier": ^7.25.9
+    chalk: ^2.4.2
+    js-tokens: ^4.0.0
+    picocolors: ^1.0.0
+  checksum: a6e0ac0a1c4bef7401915ca3442ab2b7ae4adf360262ca96b91396bfb9578abb28c316abf5e34460b780696db833b550238d9256bdaca60fade4ba7a67645064
+  languageName: node
+  linkType: hard
+
 "@babel/parser@npm:^7.1.0, @babel/parser@npm:^7.14.7, @babel/parser@npm:^7.20.7, @babel/parser@npm:^7.23.9, @babel/parser@npm:^7.25.3, @babel/parser@npm:^7.25.9, @babel/parser@npm:^7.26.0, @babel/parser@npm:^7.26.3":
   version: 7.26.3
   resolution: "@babel/parser@npm:7.26.3"
@@ -3203,6 +3224,7 @@ __metadata:
   resolution: "@contentpass/react-native-contentpass-cmp-onetrust@workspace:packages/react-native-contentpass-cmp-onetrust"
   dependencies:
     "@contentpass/react-native-contentpass": "workspace:*"
+    "@expo/config-plugins": ^9.0.0
     "@react-native-community/cli": 20.1.1
     "@react-native/babel-preset": 0.83.1
     "@types/jest": ^30.0.0
@@ -3216,7 +3238,11 @@ __metadata:
     typescript: ^5.9.3
   peerDependencies:
     "@contentpass/react-native-contentpass": "*"
+    "@expo/config-plugins": ">=9.0.0"
     react-native-onetrust-cmp: "*"
+  peerDependenciesMeta:
+    "@expo/config-plugins":
+      optional: true
   languageName: unknown
   linkType: soft
 
@@ -3519,6 +3545,28 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@expo/config-plugins@npm:^9.0.0":
+  version: 9.1.7
+  resolution: "@expo/config-plugins@npm:9.1.7"
+  dependencies:
+    "@expo/config-types": ^53.0.0
+    "@expo/json-file": ~9.1.3
+    "@expo/plist": ^0.3.3
+    "@expo/sdk-runtime-versions": ^1.0.0
+    chalk: ^4.1.2
+    debug: ^4.3.5
+    getenv: ^1.0.0
+    glob: ^10.4.2
+    resolve-from: ^5.0.0
+    semver: ^7.5.4
+    slash: ^3.0.0
+    slugify: ^1.6.6
+    xcode: ^3.0.1
+    xml2js: 0.6.0
+  checksum: 8eba71d88100c1c0572307256900b10b8375d3fac2496d0486e7d9d66d8dc4a979e907a12e5dfb3a7811871bef4ba5cc906559ceb371517b7308bd909f17730a
+  languageName: node
+  linkType: hard
+
 "@expo/config-plugins@npm:~55.0.7":
   version: 55.0.7
   resolution: "@expo/config-plugins@npm:55.0.7"
@@ -3540,6 +3588,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@expo/config-types@npm:^53.0.0":
+  version: 53.0.5
+  resolution: "@expo/config-types@npm:53.0.5"
+  checksum: 3f4db2d9590c18fb178f7395739ee2200512ad7c253655be0bad7f3f0d948df89c1c69c7e949f202faa98eecbd4bbae3edfcf9264f97f49d4f7087f85c68af5d
+  languageName: node
+  linkType: hard
+
 "@expo/config-types@npm:^55.0.5":
   version: 55.0.5
   resolution: "@expo/config-types@npm:55.0.5"
@@ -3661,6 +3716,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@expo/json-file@npm:~9.1.3":
+  version: 9.1.5
+  resolution: "@expo/json-file@npm:9.1.5"
+  dependencies:
+    "@babel/code-frame": ~7.10.4
+    json5: ^2.2.3
+  checksum: beedf9077dcff476acd895219e391e18079d3c375e58bb4902a4147fffe9774e11d4d1607cfc3488f8e9daec2c30e4d7c17c46fb701035ad7aabacaaf6d465b4
+  languageName: node
+  linkType: hard
+
 "@expo/local-build-cache-provider@npm:55.0.7":
   version: 55.0.7
   resolution: "@expo/local-build-cache-provider@npm:55.0.7"
@@ -3764,6 +3829,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@expo/plist@npm:^0.3.3":
+  version: 0.3.5
+  resolution: "@expo/plist@npm:0.3.5"
+  dependencies:
+    "@xmldom/xmldom": ^0.8.8
+    base64-js: ^1.2.3
+    xmlbuilder: ^15.1.1
+  checksum: b78fda216c63ab553b24e75e87021be09155cd16e0fcf666846c1a5ea33defa2d7f631ea504788a8e2c5d67b5f59b35d6a46fa79a244d5890ee26870caffec22
+  languageName: node
+  linkType: hard
+
 "@expo/plist@npm:^0.5.2":
   version: 0.5.2
   resolution: "@expo/plist@npm:0.5.2"
@@ -6640,7 +6716,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"base64-js@npm:^1.3.1, base64-js@npm:^1.5.1":
+"base64-js@npm:^1.2.3, base64-js@npm:^1.3.1, base64-js@npm:^1.5.1":
   version: 1.5.1
   resolution: "base64-js@npm:1.5.1"
   checksum: 669632eb3745404c2f822a18fc3a0122d2f9a7a13f7fb8b5823ee19d1d2ff9ee5b52c53367176ea4ad093c332fd5ab4bd0ebae5a8e27917a4105a4cfc86b1005
@@ -8978,6 +9054,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"getenv@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "getenv@npm:1.0.0"
+  checksum: 19ae5cad603a1cf1bcb8fa3bed48e00d062eb0572a4404c02334b67f3b3499f238383082b064bb42515e9e25c2b08aef1a3e3d2b6852347721aa8b174825bd56
+  languageName: node
+  linkType: hard
+
 "getenv@npm:^2.0.0":
   version: 2.0.0
   resolution: "getenv@npm:2.0.0"
@@ -9032,7 +9115,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob@npm:^10.5.0":
+"glob@npm:^10.4.2, glob@npm:^10.5.0":
   version: 10.5.0
   resolution: "glob@npm:10.5.0"
   dependencies: