Merge branch 'fix/apple-auth-breaks-dev' into 'main'

Disable Apple authentication if required environment variables are not provided

See merge request PronounsPage/PronounsPage!344

server/social.js

@@ -17,7 +17,35 @@ const getAppleClientSecret = () => {
     });
 }
 
-module.exports.config = {
+function appleIsEnabled() {
+    const conditions = [
+        "APPLE_CLIENT_ID",
+        "APPLE_TEAM_ID",
+        "APPLE_KEY_ID",
+        "APPLE_PRIVATE_KEY"
+    ];
+    let unavailable = [];
+    for (const condition of conditions) {
+        const value = process.env[condition];
+        // Checks if the value is not a string or empty
+        if (typeof value !== "string" || value.length < 1 || value.trim().length < 1) {
+            unavailable.push(condition);
+        }
+    }
+    if (unavailable.length === 0) {
+        return true;
+    }
+    if (unavailable.length === conditions.length) {
+        console.log("Apple authentication is disabled - provide the APPLE_CLIENT_ID, APPLE_TEAM_ID, and APPLE_PRIVATE_KEY to enable these");
+    } else {
+        console.warn(`Apple authentication is disabled because all required environment values were not provided (missing: ${unavailable.join(', ')})`);
+    }
+    return false;
+}
+
+const enableApple = appleIsEnabled();
+
+const config = {
     defaults: {
         origin: process.env.BASE_URL,
         transport: 'session',
@@ -49,7 +77,13 @@ module.exports.config = {
         callback: '/api/user/social/discord',
         scope: ['identify', 'email'],
     },
-    apple: {
+    // non-grant, but things break if it's not there
+    mastodon: {},
+    indieauth: {},
+}
+
+if (enableApple) {
+    config.apple = {
         key: process.env.APPLE_CLIENT_ID,
         secret: getAppleClientSecret(),
 
@@ -61,12 +95,11 @@ module.exports.config = {
             response_type: 'code id_token',
             response_mode: 'form_post',
         },
-    },
+    }
-    // non-grant, but things break if it's not there
-    mastodon: {},
-    indieauth: {},
 }
 
+module.exports.config = config;
+
 module.exports.handlers = {
     twitter(r) {
         return {