feat: add failOnError option for Certificate Transparency on Android

android/build.gradle

@@ -75,6 +75,7 @@ android {
     // package-specific config fields
     buildConfigField("String", "RNAS_PINNING_CONFIG", "\"${safeExtGet("RNAS_PINNING_CONFIG", "{}")}\"")
     buildConfigField("boolean", "RNAS_PREVENT_RECENT_SCREENSHOTS", safeExtGet("RNAS_PREVENT_RECENT_SCREENSHOTS", "false"))
+    buildConfigField("boolean", "RNAS_CT_FAIL_ON_ERROR", safeExtGet("RNAS_CT_FAIL_ON_ERROR", "true"))
   }
   lintOptions {
     abortOnError false

android/src/main/java/tech/bam/rnas/HttpClientOverride.kt

@@ -37,7 +37,11 @@ public class SSLPinning : OkHttpClientFactory {
      * See more : https://github.com/appmattus/certificatetransparency#getting-started
      */
     if (Build.VERSION.SDK_INT >= 26) {
-      clientBuilder.addNetworkInterceptor(CTInterceptorBuilder().build())
+      clientBuilder.addNetworkInterceptor(
+        CTInterceptorBuilder()
+          .failOnError(BuildConfig.RNAS_CT_FAIL_ON_ERROR)
+          .build()
+      )
     }
 
     return clientBuilder.build()

plugin/src/index.ts

@@ -1,5 +1,6 @@
 import { ConfigPlugin } from "@expo/config-plugins";
 import { RNASConfig } from "./types";
+import withCertificateTransparency from "./withCertificateTransparency";
 import withDisableCache from "./withDisableCache";
 import withpreventRecentScreenshots from "./withPreventRecentScreenshots";
 import withSSLPinning from "./withSSLPinning";
@@ -9,6 +10,7 @@ const withRNAS: ConfigPlugin<RNASConfig> = (config, props) => {
 
   config = withpreventRecentScreenshots(config, props.preventRecentScreenshots);
   config = withDisableCache(config, props.disableCache);
+  config = withCertificateTransparency(config, props.certificateTransparency);
 
   return config;
 };

plugin/src/types.ts

@@ -9,4 +9,7 @@ export type RNASConfig = {
   disableCache?: {
     ios?: { enabled: boolean };
   };
+  certificateTransparency?: {
+    android?: { failOnError?: boolean };
+  };
 };

plugin/src/withCertificateTransparency.ts

@@ -0,0 +1,32 @@
+import { ConfigPlugin, withGradleProperties } from "@expo/config-plugins";
+import { RNASConfig } from "./types";
+
+type Props = RNASConfig["certificateTransparency"];
+
+const withCertificateTransparency: ConfigPlugin<Props> = (config, props) => {
+  config = withGradleProperties(config, (config) => {
+    const gradleProperties = config.modResults;
+
+    const failOnError = props?.android?.failOnError ?? true;
+
+    const existingIndex = gradleProperties.findIndex(
+      (prop) =>
+        prop.type === "property" && prop.key === "RNAS_CT_FAIL_ON_ERROR"
+    );
+    if (existingIndex !== -1) {
+      gradleProperties.splice(existingIndex, 1);
+    }
+
+    gradleProperties.push({
+      type: "property",
+      key: "RNAS_CT_FAIL_ON_ERROR",
+      value: String(failOnError),
+    });
+
+    return config;
+  });
+
+  return config;
+};
+
+export default withCertificateTransparency;