mirror of
https://github.com/garrytan/gstack.git
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Garry Tan
3df8a77b00
Community tier auth, backup/restore, and test updates that were already on this branch before the telemetry sprint. Includes updated telemetry prompt test to match 3-option community tier flow. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
108 lines
3.6 KiB
Bash
Executable File
108 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# gstack-auth-refresh — silently refresh auth token if expired
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#
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# Usage:
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# gstack-auth-refresh — refresh and print access token
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# gstack-auth-refresh --check — exit 0 if authenticated, 1 if not
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#
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# Called by gstack-community-backup and other authenticated scripts.
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# If the refresh token is also expired, prints an error and exits 1.
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#
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# Env overrides (for testing):
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# GSTACK_STATE_DIR — override ~/.gstack state directory
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# GSTACK_DIR — override auto-detected gstack root
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set -euo pipefail
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GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." && pwd)}"
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STATE_DIR="${GSTACK_STATE_DIR:-$HOME/.gstack}"
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AUTH_FILE="$STATE_DIR/auth-token.json"
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# Source Supabase config
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if [ -f "$GSTACK_DIR/supabase/config.sh" ]; then
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. "$GSTACK_DIR/supabase/config.sh"
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fi
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SUPABASE_URL="${GSTACK_SUPABASE_URL:-}"
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ANON_KEY="${GSTACK_SUPABASE_ANON_KEY:-}"
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AUTH_URL="${SUPABASE_URL}/auth/v1"
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# ─── Helper: extract JSON field ──────────────────────────────
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json_field() {
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local json="$1"
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local field="$2"
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echo "$json" | jq -r ".${field}" 2>/dev/null | sed 's/null//'
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}
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# ─── Check auth file exists ─────────────────────────────────
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if [ ! -f "$AUTH_FILE" ]; then
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if [ "${1:-}" = "--check" ]; then
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exit 1
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fi
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echo "Not authenticated. Run: gstack auth <email>" >&2
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exit 1
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fi
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AUTH_JSON="$(cat "$AUTH_FILE")"
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ACCESS_TOKEN="$(json_field "$AUTH_JSON" "access_token")"
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REFRESH_TOKEN="$(json_field "$AUTH_JSON" "refresh_token")"
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EXPIRES_AT="$(json_field "$AUTH_JSON" "expires_at")"
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EMAIL="$(json_field "$AUTH_JSON" "email")"
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USER_ID="$(json_field "$AUTH_JSON" "user_id")"
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NOW="$(date +%s)"
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# ─── Check-only mode ────────────────────────────────────────
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if [ "${1:-}" = "--check" ]; then
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[ -n "$ACCESS_TOKEN" ] && exit 0 || exit 1
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fi
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# ─── Token still valid? Return it. ───────────────────────────
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# Add 60s buffer to avoid using a token that's about to expire
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BUFFER=60
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if [ -n "$EXPIRES_AT" ] && [ "$NOW" -lt "$(( EXPIRES_AT - BUFFER ))" ] 2>/dev/null; then
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echo "$ACCESS_TOKEN"
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exit 0
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fi
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# ─── Token expired — refresh it ─────────────────────────────
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if [ -z "$REFRESH_TOKEN" ] || [ "$REFRESH_TOKEN" = "null" ]; then
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echo "Session expired and no refresh token. Run: gstack auth <email>" >&2
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exit 1
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fi
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if [ -z "$SUPABASE_URL" ] || [ -z "$ANON_KEY" ]; then
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echo "Error: Supabase not configured" >&2
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exit 1
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fi
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REFRESH_RESPONSE="$(curl -s --max-time 10 \
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-X POST "${AUTH_URL}/token?grant_type=refresh_token" \
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-H "Content-Type: application/json" \
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-H "apikey: ${ANON_KEY}" \
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-d "{\"refresh_token\":\"${REFRESH_TOKEN}\"}" \
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2>/dev/null || echo "{}")"
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NEW_ACCESS="$(json_field "$REFRESH_RESPONSE" "access_token")"
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NEW_REFRESH="$(json_field "$REFRESH_RESPONSE" "refresh_token")"
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NEW_EXPIRES_IN="$(json_field "$REFRESH_RESPONSE" "expires_in")"
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if [ -z "$NEW_ACCESS" ] || [ "$NEW_ACCESS" = "null" ]; then
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echo "Session expired. Run: gstack auth <email>" >&2
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rm -f "$AUTH_FILE"
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exit 1
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fi
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# Update token file
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NEW_EXPIRES_AT=$(( NOW + ${NEW_EXPIRES_IN:-3600} ))
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cat > "$AUTH_FILE" <<TOKJSON
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{
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"access_token": "${NEW_ACCESS}",
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"refresh_token": "${NEW_REFRESH:-$REFRESH_TOKEN}",
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"expires_at": ${NEW_EXPIRES_AT},
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"email": "${EMAIL}",
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"user_id": "${USER_ID}"
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}
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TOKJSON
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chmod 600 "$AUTH_FILE"
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echo "$NEW_ACCESS"
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