autopif2.sh

#!/bin/bash
# Forked from https://github.com/osm0sis/PlayIntegrityFork/blob/main/module/autopif2.sh

FORCE_DEPTH=1
until [ -z "$1" ]; do
  case "$1" in
    -h|--help|help) echo -e "./autopif2.sh [-p] [-d #] [-m device]"; exit 0;;
    -p|--preview|preview) FORCE_PREVIEW=1; shift;;
    -d|--depth|depth) echo -e "$2" | grep -q '^[1-9]$' || exit 1; FORCE_DEPTH=$2; shift 2;;
    -m|--device) DEVICE_OVERRIDE="$2"; shift 2;;
    *) break;;
  esac
done

echo -e "Pixel Beta pif.json generator script \
  \n  by osm0sis @ xda-developers"

DIR="$(pwd)"
TEMP_DIR="$(mktemp -d)"

item() { echo -e "\n- $@"; }
die() { echo -e "\nError: $@!"; exit 1; }

cd "$TEMP_DIR"

item "Crawling Android Developers for latest Pixel Beta ..."
wget -q -O PIXEL_VERSIONS_HTML --no-check-certificate https://developer.android.com/about/versions 2>&1 || exit 1
wget -q -O PIXEL_LATEST_HTML --no-check-certificate $(grep -o 'https://developer.android.com/about/versions/.*[0-9]"' PIXEL_VERSIONS_HTML | sort -ru | cut -d\" -f1 | head -n1) 2>&1 || exit 1
if grep -qE 'Developer Preview|tooltip>.*preview program' PIXEL_LATEST_HTML && [ ! "$FORCE_PREVIEW" ]; then
  wget -q -O PIXEL_BETA_HTML --no-check-certificate $(grep -o 'https://developer.android.com/about/versions/.*[0-9]"' PIXEL_VERSIONS_HTML | sort -ru | cut -d\" -f1 | head -n2 | tail -n1) 2>&1 || exit 1
else
  TITLE="Preview "
  mv -f PIXEL_LATEST_HTML PIXEL_BETA_HTML
fi
wget -q -O PIXEL_OTA_HTML --no-check-certificate https://developer.android.com$(grep -o 'href=".*download-ota.*"' PIXEL_BETA_HTML | cut -d\" -f2 | head -n$FORCE_DEPTH | tail -n1) 2>&1 || exit 1
echo -e "$(grep -m1 -oE 'tooltip>Android .*[0-9]' PIXEL_OTA_HTML | cut -d\> -f2) $TITLE$(grep -oE 'tooltip>QPR.* Beta' PIXEL_OTA_HTML | cut -d\> -f2 | head -n$FORCE_DEPTH | tail -n1)"

RAW_DATE="$(grep -m1 -A1 'Release date' PIXEL_OTA_HTML | tail -n1 | sed 's;.*<td>\(.*\)</td>.*;\1;')"
BETA_REL_DATE="$(date -d "$RAW_DATE" '+%Y-%m-%d')"
BETA_EXP_DATE="$(date -d "$BETA_REL_DATE +42 days" '+%Y-%m-%d')"
echo -e "Beta Released: $BETA_REL_DATE \
  \nEstimated Expiry: $BETA_EXP_DATE"

MODEL_LIST="$(grep -A1 'tr id=' PIXEL_OTA_HTML | grep 'td' | sed 's;.*<td>\(.*\)</td>;\1;')"
PRODUCT_LIST="$(grep -o 'ota/.*_beta' PIXEL_OTA_HTML | cut -d\/ -f2)"
OTA_LIST="$(grep 'ota/.*_beta' PIXEL_OTA_HTML | cut -d\" -f2)"

select_device_by_name() {
  local name="$1"
  local index=0
  while read -r product; do
    device="${product%_beta}"
    if [[ "$device" == "$name" ]]; then
      break
    fi
    ((index++))
  done <<< "$PRODUCT_LIST"

  MODEL=$(echo "$MODEL_LIST" | sed -n "$((index + 1))p")
  PRODUCT=$(echo "$PRODUCT_LIST" | sed -n "$((index + 1))p")
  OTA=$(echo "$OTA_LIST" | sed -n "$((index + 1))p")
  DEVICE="${PRODUCT%_beta}"
  item "Selected device: $MODEL ($PRODUCT)"
}

set_random_device() {
  item "Selecting Pixel Beta device ..."
  local count
  count=$(echo "$MODEL_LIST" | wc -l)
  local rand=$((RANDOM % count + 1))
  MODEL=$(echo "$MODEL_LIST" | sed -n "${rand}p")
  PRODUCT=$(echo "$PRODUCT_LIST" | sed -n "${rand}p")
  OTA=$(echo "$OTA_LIST" | sed -n "${rand}p")
  DEVICE="${PRODUCT%_beta}"
  echo "$MODEL ($PRODUCT)"
}

if [[ -n "$DEVICE_OVERRIDE" ]]; then
  if echo "$PRODUCT_LIST" | grep -q "${DEVICE_OVERRIDE}_beta"; then
    select_device_by_name "$DEVICE_OVERRIDE"
  else
    die "Device '$DEVICE_OVERRIDE' not found in list."
  fi
else
  set_random_device
fi

(ulimit -f 2; wget -q -O PIXEL_ZIP_METADATA --no-check-certificate $OTA) 2>/dev/null
FINGERPRINT="$(grep -am1 'post-build=' PIXEL_ZIP_METADATA 2>/dev/null | cut -d= -f2)"
SECURITY_PATCH="$(grep -am1 'security-patch-level=' PIXEL_ZIP_METADATA 2>/dev/null | cut -d= -f2)"
if [ -z "$FINGERPRINT" -o -z "$SECURITY_PATCH" ]; then
  die "Error: Failed to extract information from metadata!"
fi

cd "$DIR"

item "Dumping values to minimal pif.json ..."
cat <<EOF | tee pif.json
{
  "MANUFACTURER": "Google",
  "MODEL": "$MODEL",
  "FINGERPRINT": "$FINGERPRINT",
  "PRODUCT": "$PRODUCT",
  "DEVICE": "$DEVICE",
  "SECURITY_PATCH": "$SECURITY_PATCH",
  "DEVICE_INITIAL_SDK_INT": "32"
}
EOF