From 9ad402842d80a127f6a6692ee594e47487f9df73 Mon Sep 17 00:00:00 2001
From: Rainer Killinger <killinger@hrz.uni-frankfurt.de>
Date: Fri, 26 Aug 2022 12:02:29 +0200
Subject: [PATCH] feat: automate generation for universal link files

---
 .gitignore                             |  3 +-
 Makefile                               |  2 +
 static/scripts/universal_link_files.sh | 58 ++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 static/scripts/universal_link_files.sh

diff --git a/.gitignore b/.gitignore
index f5227102..fe63bea5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 app
 Gemfile.lock
-.vscode
\ No newline at end of file
+.vscode
+.DS_Store
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 7c5aa2c4..95dc195f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 SHELL := /bin/bash
 APP_DIR := $(PWD)/app
 BRANCH ?= develop
+START_TIME := $(date +%s)
 
 clean:
 	rm -rf app
@@ -27,6 +28,7 @@ web-build: configuration-web
 	cd app && ionic build --prod
 
 web: web-build
+	mkdir -p app/www/.well-known && source app.conf && sh static/scripts/universal_link_files.sh
 	cd app/www && zip -r ../../www.zip .
 	echo "Web application artifact for version ${VERSION} is archived in www.zip"
 
diff --git a/static/scripts/universal_link_files.sh b/static/scripts/universal_link_files.sh
new file mode 100644
index 00000000..3595ad4e
--- /dev/null
+++ b/static/scripts/universal_link_files.sh
@@ -0,0 +1,58 @@
+#!/usr/bin/env sh
+
+. $PWD/app.conf
+
+# iOS universal link file generation
+if [ -z "$TEAM_ID" ] && [ -z "$IOS_BUNDLE_IDENTIFIER" ]
+then
+  echo "Unable to find Apple Team ID and bundle identifier. Skipping apple-app-site-association generation..."
+else
+  file_content=$(cat <<EOF
+{
+  "applinks": {
+    "details": [
+      {
+        "appIDs": [ "${TEAM_ID}.${IOS_BUNDLE_IDENTIFIER}"],
+        "components": [
+          {
+            "/": "/*",
+            "comment": "Match all links"
+          }
+        ]
+      }
+    ]
+  }
+}
+EOF
+)
+echo $file_content > $PWD/app/www/.well-known/apple-app-site-association
+fi
+
+
+# Google Play/Android universal link file generation
+KEYTOOL_INFO=$(keytool -list -v -keystore ./playstore.keystore -alias $ANDROID_KEYSTORE_KEY_ALIAS -storepass $ANDROID_KEYSTORE_PASSWORD -keypass $ANDROID_KEYSTORE_KEY_PASSWORD || true)
+CERT_FINGERPRINT=$(echo $KEYTOOL_INFO | sed -n 's/.*SHA256: //p')
+
+if [ -z "$CERT_FINGERPRINT" ]
+then
+  echo "Unable to retrieve Android sigining SHA256 fingerprint. Skipping assetlinks.json generation..."
+else
+  file_content=$(cat <<EOF
+[
+  {
+    "relation": [
+      "delegate_permission/common.handle_all_urls"
+    ],
+    "target": {
+      "namespace": "android_app",
+      "package_name": "${ANDROID_PACKAGE_NAME}",
+      "sha256_cert_fingerprints": [
+        "${CERT_FINGERPRINT}"
+      ]
+    }
+  }
+]
+EOF
+)
+echo $file_content > $PWD/app/www/.well-known/assetlinks.json
+fi