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bootstrap/tools/glpi/session-init.sh
2026-02-22 17:52:23 +00:00

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#!/usr/bin/env bash
#
# session-init.sh — Initialize GLPI API session
#
# Usage: session-init.sh [-f] [-q]
#
# Authenticates with GLPI and caches the session token at
# ~/.cache/mosaic/glpi-session.
#
# Options:
# -f Force re-authentication (ignore cached session)
# -q Quiet mode — only output the session token
# -h Show this help
#
# Environment variables (or credentials.json):
# GLPI_URL — GLPI API base URL
# GLPI_APP_TOKEN — GLPI application token
# GLPI_USER_TOKEN — GLPI user token
set -euo pipefail
MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.config/mosaic}"
source "$MOSAIC_HOME/tools/_lib/credentials.sh"
load_credentials glpi
CACHE_DIR="$HOME/.cache/mosaic"
CACHE_FILE="$CACHE_DIR/glpi-session"
FORCE=false
QUIET=false
while getopts "fqh" opt; do
case $opt in
f) FORCE=true ;;
q) QUIET=true ;;
h) head -18 "$0" | grep "^#" | sed 's/^# \?//'; exit 0 ;;
*) echo "Usage: $0 [-f] [-q]" >&2; exit 1 ;;
esac
done
# Check cached session validity
if [[ "$FORCE" == "false" ]] && [[ -f "$CACHE_FILE" ]]; then
cached_token=$(cat "$CACHE_FILE")
if [[ -n "$cached_token" ]]; then
# Validate with a lightweight call
http_code=$(curl -sk -o /dev/null -w "%{http_code}" \
-H "App-Token: $GLPI_APP_TOKEN" \
-H "Session-Token: $cached_token" \
"${GLPI_URL}/getMyEntities")
if [[ "$http_code" == "200" ]]; then
[[ "$QUIET" == "false" ]] && echo "Using cached session (valid)" >&2
echo "$cached_token"
exit 0
fi
[[ "$QUIET" == "false" ]] && echo "Cached session expired, re-authenticating..." >&2
fi
fi
# Initialize session
response=$(curl -sk -w "\n%{http_code}" \
-H "App-Token: $GLPI_APP_TOKEN" \
-H "Authorization: user_token $GLPI_USER_TOKEN" \
"${GLPI_URL}/initSession")
http_code=$(echo "$response" | tail -n1)
body=$(echo "$response" | sed '$d')
if [[ "$http_code" != "200" ]]; then
echo "Error: Failed to initialize GLPI session (HTTP $http_code)" >&2
echo "$body" | jq -r '.' 2>/dev/null >&2 || echo "$body" >&2
exit 1
fi
session_token=$(echo "$body" | jq -r '.session_token // empty')
if [[ -z "$session_token" ]]; then
echo "Error: No session_token in response" >&2
exit 1
fi
# Cache the session
mkdir -p "$CACHE_DIR"
echo "$session_token" > "$CACHE_FILE"
chmod 600 "$CACHE_FILE"
[[ "$QUIET" == "false" ]] && echo "Session initialized and cached" >&2
echo "$session_token"