Add Authentik SSO apps for Linear and 1Password
This commit is contained in:
Conrad Kramer
parent
5a4fe58b86
commit
4d3257995b
5 changed files with 885 additions and 0 deletions
334
Scripts/authentik-sync-linear-saml.sh
Executable file
334
Scripts/authentik-sync-linear-saml.sh
Executable file
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#!/usr/bin/env bash
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set -euo pipefail
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authentik_url="${AUTHENTIK_URL:-https://auth.burrow.net}"
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bootstrap_token="${AUTHENTIK_BOOTSTRAP_TOKEN:-}"
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application_slug="${AUTHENTIK_LINEAR_APPLICATION_SLUG:-linear}"
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application_name="${AUTHENTIK_LINEAR_APPLICATION_NAME:-Linear}"
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provider_name="${AUTHENTIK_LINEAR_PROVIDER_NAME:-Linear}"
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launch_url="${AUTHENTIK_LINEAR_LAUNCH_URL:-https://linear.app/burrownet}"
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acs_url="${AUTHENTIK_LINEAR_ACS_URL:-}"
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audience="${AUTHENTIK_LINEAR_AUDIENCE:-}"
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issuer="${AUTHENTIK_LINEAR_ISSUER:-${authentik_url}/application/saml/${application_slug}/metadata/}"
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default_relay_state="${AUTHENTIK_LINEAR_DEFAULT_RELAY_STATE:-}"
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usage() {
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cat <<'EOF'
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Usage: Scripts/authentik-sync-linear-saml.sh
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Required environment:
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AUTHENTIK_BOOTSTRAP_TOKEN
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AUTHENTIK_LINEAR_ACS_URL
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AUTHENTIK_LINEAR_AUDIENCE
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Optional environment:
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AUTHENTIK_URL
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AUTHENTIK_LINEAR_APPLICATION_SLUG
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AUTHENTIK_LINEAR_APPLICATION_NAME
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AUTHENTIK_LINEAR_PROVIDER_NAME
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AUTHENTIK_LINEAR_LAUNCH_URL
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AUTHENTIK_LINEAR_ISSUER
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AUTHENTIK_LINEAR_DEFAULT_RELAY_STATE
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EOF
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}
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if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
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usage
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exit 0
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fi
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if [[ -z "$bootstrap_token" ]]; then
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echo "error: AUTHENTIK_BOOTSTRAP_TOKEN is required" >&2
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exit 1
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fi
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if [[ -z "$acs_url" ]]; then
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echo "error: AUTHENTIK_LINEAR_ACS_URL is required" >&2
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exit 1
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fi
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if [[ -z "$audience" ]]; then
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echo "error: AUTHENTIK_LINEAR_AUDIENCE is required" >&2
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exit 1
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fi
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api() {
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local method="$1"
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local path="$2"
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local data="${3:-}"
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if [[ -n "$data" ]]; then
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curl -fsS \
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-X "$method" \
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-H "Authorization: Bearer ${bootstrap_token}" \
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-H "Content-Type: application/json" \
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-d "$data" \
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"${authentik_url}${path}"
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else
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curl -fsS \
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-X "$method" \
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-H "Authorization: Bearer ${bootstrap_token}" \
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"${authentik_url}${path}"
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fi
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}
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api_with_status() {
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local method="$1"
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local path="$2"
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local data="${3:-}"
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local response_file status
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response_file="$(mktemp)"
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trap 'rm -f "$response_file"' RETURN
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if [[ -n "$data" ]]; then
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status="$(
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curl -sS \
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-o "$response_file" \
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-w '%{http_code}' \
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-X "$method" \
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-H "Authorization: Bearer ${bootstrap_token}" \
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-H "Content-Type: application/json" \
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-d "$data" \
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"${authentik_url}${path}"
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)"
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else
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status="$(
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curl -sS \
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-o "$response_file" \
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-w '%{http_code}' \
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-X "$method" \
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-H "Authorization: Bearer ${bootstrap_token}" \
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"${authentik_url}${path}"
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)"
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fi
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printf '%s\n' "$status"
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cat "$response_file"
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}
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wait_for_authentik() {
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for _ in $(seq 1 90); do
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if curl -fsS "${authentik_url}/-/health/ready/" >/dev/null 2>&1; then
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return 0
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fi
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sleep 2
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done
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echo "error: Authentik did not become ready at ${authentik_url}" >&2
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exit 1
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}
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lookup_oauth_template_field() {
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local field="$1"
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api GET "/api/v3/providers/oauth2/?page_size=200" \
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| jq -r --arg field "$field" '.results[]? | select(.assigned_application_slug == "ts") | .[$field]' \
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| head -n1
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}
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reconcile_property_mapping() {
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local name="$1"
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local saml_name="$2"
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local friendly_name="$3"
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local expression="$4"
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local payload existing_pk
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payload="$(
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jq -n \
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--arg name "$name" \
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--arg saml_name "$saml_name" \
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--arg friendly_name "$friendly_name" \
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--arg expression "$expression" \
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'{
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name: $name,
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saml_name: $saml_name,
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friendly_name: $friendly_name,
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expression: $expression
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}'
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)"
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existing_pk="$(
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api GET "/api/v3/propertymappings/provider/saml/?page_size=200" \
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| jq -r --arg name "$name" '.results[]? | select(.name == $name) | .pk' \
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| head -n1
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)"
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if [[ -n "$existing_pk" ]]; then
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api PATCH "/api/v3/propertymappings/provider/saml/${existing_pk}/" "$payload" >/dev/null
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printf '%s\n' "$existing_pk"
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else
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api POST "/api/v3/propertymappings/provider/saml/" "$payload" | jq -r '.pk // empty'
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fi
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}
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wait_for_authentik
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authorization_flow="$(lookup_oauth_template_field authorization_flow)"
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invalidation_flow="$(lookup_oauth_template_field invalidation_flow)"
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signing_kp="$(lookup_oauth_template_field signing_key)"
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if [[ -z "$authorization_flow" || -z "$invalidation_flow" || -z "$signing_kp" ]]; then
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echo "error: could not resolve Authentik provider defaults from Burrow Tailnet template" >&2
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exit 1
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fi
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email_mapping_pk="$(
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reconcile_property_mapping \
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"Burrow Linear SAML Email" \
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"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress" \
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"email" \
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'return request.user.email'
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)"
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name_mapping_pk="$(
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reconcile_property_mapping \
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"Burrow Linear SAML Name" \
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"name" \
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"name" \
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'return request.user.name or request.user.username'
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)"
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first_name_mapping_pk="$(
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reconcile_property_mapping \
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"Burrow Linear SAML First Name" \
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"firstName" \
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"firstName" \
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$'parts = (request.user.name or "").split(" ", 1)\nif len(parts) > 0 and parts[0]:\n return parts[0]\nreturn request.user.username'
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)"
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last_name_mapping_pk="$(
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reconcile_property_mapping \
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"Burrow Linear SAML Last Name" \
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"lastName" \
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"lastName" \
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$'parts = (request.user.name or "").rsplit(" ", 1)\nif len(parts) == 2 and parts[1]:\n return parts[1]\nreturn request.user.username'
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)"
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if [[ -z "$email_mapping_pk" || -z "$name_mapping_pk" || -z "$first_name_mapping_pk" || -z "$last_name_mapping_pk" ]]; then
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echo "error: failed to reconcile Linear SAML property mappings" >&2
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exit 1
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fi
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provider_payload="$(
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jq -n \
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--arg name "$provider_name" \
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--arg authorization_flow "$authorization_flow" \
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--arg invalidation_flow "$invalidation_flow" \
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--arg acs_url "$acs_url" \
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--arg audience "$audience" \
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--arg issuer "$issuer" \
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--arg signing_kp "$signing_kp" \
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--arg default_relay_state "$default_relay_state" \
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--arg name_id_mapping "$email_mapping_pk" \
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--arg email_mapping "$email_mapping_pk" \
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--arg name_mapping "$name_mapping_pk" \
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--arg first_name_mapping "$first_name_mapping_pk" \
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--arg last_name_mapping "$last_name_mapping_pk" \
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'{
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name: $name,
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authorization_flow: $authorization_flow,
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invalidation_flow: $invalidation_flow,
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acs_url: $acs_url,
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audience: $audience,
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issuer: $issuer,
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signing_kp: $signing_kp,
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sign_assertion: true,
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sign_response: true,
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sp_binding: "post",
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name_id_mapping: $name_id_mapping,
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property_mappings: [
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$email_mapping,
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$name_mapping,
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$first_name_mapping,
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$last_name_mapping
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]
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}
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+ (if $default_relay_state == "" then {} else {default_relay_state: $default_relay_state} end)'
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)"
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existing_provider="$(
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api GET "/api/v3/providers/saml/?page_size=200" \
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| jq -c \
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--arg application_slug "$application_slug" \
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--arg provider_name "$provider_name" \
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'.results[]? | select(.assigned_application_slug == $application_slug or .name == $provider_name)' \
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| head -n1
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)"
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if [[ -n "$existing_provider" ]]; then
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provider_pk="$(printf '%s\n' "$existing_provider" | jq -r '.pk')"
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api PATCH "/api/v3/providers/saml/${provider_pk}/" "$provider_payload" >/dev/null
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else
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provider_pk="$(
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api POST "/api/v3/providers/saml/" "$provider_payload" \
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| jq -r '.pk // empty'
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)"
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fi
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if [[ -z "${provider_pk:-}" ]]; then
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echo "error: Linear SAML provider did not return a primary key" >&2
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exit 1
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fi
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application_payload="$(
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jq -n \
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--arg name "$application_name" \
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--arg slug "$application_slug" \
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--arg provider "$provider_pk" \
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--arg launch_url "$launch_url" \
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'{
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name: $name,
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slug: $slug,
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provider: ($provider | tonumber),
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meta_launch_url: $launch_url,
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open_in_new_tab: true,
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policy_engine_mode: "any"
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}'
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)"
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existing_application="$(
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api GET "/api/v3/core/applications/?page_size=200" \
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| jq -c --arg slug "$application_slug" '.results[]? | select(.slug == $slug)' \
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| head -n1
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)"
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if [[ -n "$existing_application" ]]; then
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application_pk="$(printf '%s\n' "$existing_application" | jq -r '.pk')"
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api PATCH "/api/v3/core/applications/${application_pk}/" "$application_payload" >/dev/null
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else
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create_application_result="$(
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api_with_status POST "/api/v3/core/applications/" "$application_payload"
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)"
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create_application_status="$(printf '%s\n' "$create_application_result" | sed -n '1p')"
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create_application_body="$(printf '%s\n' "$create_application_result" | sed '1d')"
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if [[ "$create_application_status" =~ ^20[01]$ ]]; then
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application_pk="$(printf '%s\n' "$create_application_body" | jq -r '.pk // empty')"
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elif [[ "$create_application_status" == "400" ]] && printf '%s\n' "$create_application_body" | jq -e '
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(.slug // [] | index("Application with this slug already exists.")) != null
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or (.provider // [] | index("Application with this provider already exists.")) != null
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' >/dev/null; then
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application_pk="existing-duplicate"
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else
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printf '%s\n' "$create_application_body" >&2
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echo "error: could not reconcile Authentik application ${application_slug}" >&2
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exit 1
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fi
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fi
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if [[ -z "${application_pk:-}" ]]; then
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echo "error: Linear SAML application did not return a primary key" >&2
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exit 1
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fi
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for _ in $(seq 1 30); do
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if curl -fsS "${authentik_url}/application/saml/${application_slug}/metadata/" >/dev/null 2>&1; then
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echo "Synced Authentik Linear SAML application ${application_slug} (${application_name})."
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exit 0
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fi
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sleep 2
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done
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echo "warning: Linear SAML metadata for ${application_slug} was not immediately readable; keeping reconciled config." >&2
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echo "Synced Authentik Linear SAML application ${application_slug} (${application_name})."
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