Add `KeyPair` and `KeyManager` to manage keys in the app (#1487)

Co-authored-by: Harsh Shandilya <me@msfjarvis.dev>

2 files changed, 71 insertions, 0 deletions

diff --git a/scripts/boot-emulator.sh b/scripts/boot-emulator.sh
new file mode 100755
index 00000000..abd73efa
--- /dev/null
+++ b/scripts/boot-emulator.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# Boots an emulator that exactly matches the one in our CI. It is recommended
+# to use this as the target device for android tests.
+
+set -euo pipefail
+
+[ -n "${ANDROID_SDK_ROOT:-}" ] || {
+  echo "ANDROID_SDK_ROOT must be set to use this script"
+  exit
+  1
+}
+[ -n "${ANDROID_API_LEVEL:-}" ] || { echo "ANDROID_API_LEVEL not defined; defaulting to 30"; }
+
+API_LEVEL="${ANDROID_API_LEVEL:-30}"
+
+echo no | "${ANDROID_SDK_ROOT}"/cmdline-tools/latest/bin/avdmanager create avd \
+  --force \
+  -n "Pixel_XL_API_${API_LEVEL}" \
+  --abi 'google_apis/x86' \
+  --package "system-images;android-${API_LEVEL};google_apis;x86" \
+  --device 'pixel_xl'
+
+"${ANDROID_SDK_ROOT}"/emulator/emulator \
+  -avd "Pixel_XL_API_${API_LEVEL}" \
+  -no-window \
+  -gpu swiftshader_indirect \
+  -noaudio \
+  -no-boot-anim
diff --git a/scripts/setup-environment.sh b/scripts/setup-environment.sh
new file mode 100755
index 00000000..30dd0c19
--- /dev/null
+++ b/scripts/setup-environment.sh
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+# Installs the latest command line tools and sets up the necessary packages for an Android emulator
+# for API level $ANDROID_API_LEVEL, or API 30 if unspecified.
+
+set -euo pipefail
+
+CMDLINE_TOOLS_URL_MAC="https://dl.google.com/android/repository/commandlinetools-mac-7583922_latest.zip"
+CMDLINE_TOOLS_URL_LINUX="https://dl.google.com/android/repository/commandlinetools-linux-7583922_latest.zip"
+
+[ -n "${ANDROID_SDK_ROOT:-}" ] || {
+  echo "ANDROID_SDK_ROOT must be set to use this script"
+  exit
+  1
+}
+
+if [ "$(uname)" == "Linux" ]; then
+  wget "${CMDLINE_TOOLS_URL_LINUX}" -O /tmp/tools.zip -o /dev/null
+elif [ "$(uname)" == "Darwin" ]; then
+  wget "${CMDLINE_TOOLS_URL_MAC}" -O /tmp/tools.zip -o /dev/null
+else
+  echo "This script only works on Linux and Mac"
+  exit 1
+fi
+
+[ -n "${ANDROID_API_LEVEL:-}" ] || { echo "ANDROID_API_LEVEL not defined; defaulting to 30"; }
+
+API_LEVEL="${ANDROID_API_LEVEL:-30}"
+
+unzip -qo /tmp/tools.zip -d "${ANDROID_SDK_ROOT}/latest"
+mkdir -p "${ANDROID_SDK_ROOT}/cmdline-tools"
+if [ -d "${ANDROID_SDK_ROOT}/cmdline-tools" ]; then
+  rm -rf "${ANDROID_SDK_ROOT}/cmdline-tools"
+fi
+mkdir -p "${ANDROID_SDK_ROOT}/cmdline-tools"
+mv -v "${ANDROID_SDK_ROOT}/latest/cmdline-tools" "${ANDROID_SDK_ROOT}/cmdline-tools/latest"
+
+export PATH="${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin:${PATH}"
+
+sdkmanager --install 'build-tools;30.0.3' platform-tools "platforms;android-${API_LEVEL}"
+sdkmanager --install emulator
+sdkmanager --install "system-images;android-${API_LEVEL};google_apis;x86"