autogen: update license overview

.bin/license-engine.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+# This script detects non-compliant licenses in the output of language-specific license checkers.
+
+# These licenses are allowed.
+# These are the exact and complete license strings for 100% legal certainty, no regexes.
+ALLOWED_LICENSES=(
+	'0BSD'
+	'AFLv2.1'
+	'AFLv2.1,BSD'
+	'(AFL-2.1 OR BSD-3-Clause)'
+	'Apache 2.0'
+	'Apache-2.0'
+	'(Apache-2.0 OR MPL-1.1)'
+	'Apache-2.0 AND MIT'
+	'Apache License, Version 2.0'
+	'Apache*'
+	'Artistic-2.0'
+	'BlueOak-1.0.0'
+	'BSD'
+	'BSD*'
+	'BSD-2-Clause'
+	'(BSD-2-Clause OR MIT OR Apache-2.0)'
+	'BSD-3-Clause'
+	'(BSD-3-Clause OR GPL-2.0)'
+	'BSD-3-Clause OR MIT'
+	'CC0-1.0'
+	'CC-BY-3.0'
+	'CC-BY-4.0'
+	'(CC-BY-4.0 AND MIT)'
+	'ISC'
+	'ISC*'
+	'LGPL-2.1' # LGPL allows commercial use, requires only that modifications to LGPL-protected libraries are published under a GPL-compatible license
+	'MIT'
+	'MIT*'
+	'MIT-0'
+	'MIT AND ISC'
+	'(MIT AND BSD-3-Clause)'
+	'(MIT AND Zlib)'
+	'(MIT OR Apache-2.0)'
+	'(MIT OR CC0-1.0)'
+	'(MIT OR GPL-2.0)'
+	'MPL-2.0'
+	'(MPL-2.0 OR Apache-2.0)'
+	'Public Domain'
+	'Python-2.0' # the Python-2.0 is a permissive license, see https://en.wikipedia.org/wiki/Python_License
+	'Unlicense'
+	'WTFPL'
+	'WTFPL OR ISC'
+	'(WTFPL OR MIT)'
+	'(MIT OR WTFPL)'
+	'LGPL-3.0-or-later' # Requires only that modifications to LGPL-protected libraries are published under a GPL-compatible license which is not the case at Ory
+)
+
+# These modules don't work with the current license checkers
+# and have been manually verified to have a compatible license (regex format).
+APPROVED_MODULES=(
+	'https://github.com/ory-corp/cloud/'                                                  # Ory IP
+	'github.com/ory/hydra-client-go'                                                      # Apache-2.0
+	'github.com/ory/hydra-client-go/v2'                                                   # Apache-2.0
+	'github.com/ory/kratos-client-go'                                                     # Apache-2.0
+	'github.com/gobuffalo/github_flavored_markdown'                                       # MIT
+	'[email protected]'                                                                       # MIT: original source at http://github.com/substack/node-bufferlist is deleted but a fork at https://github.com/pkrumins/node-bufferlist/blob/master/LICENSE contains the original license by the original author (James Halliday)
+	'https://github.com/iconify/iconify/packages/react'                                   # MIT: license is in root of monorepo at https://github.com/iconify/iconify/blob/main/license.txt
+	'github.com/gobuffalo/.*'                                                             # MIT: license is in root of monorepo at https://github.com/gobuffalo/github_flavored_markdown/blob/main/LICENSE
+	'github.com/ory-corp/cloud/.*'                                                        # Ory IP
+	'github.com/golang/freetype/.*'                                                       # FreeType license: https://freetype.sourceforge.net/FTL.TXT
+	'go.opentelemetry.io/otel/exporters/jaeger/internal/third_party/thrift/lib/go/thrift' # Incorrect detection, actually Apache-2.0: https://github.com/open-telemetry/opentelemetry-go/blob/exporters/jaeger/v1.17.0/exporters/jaeger/internal/third_party/thrift/LICENSE
+)
+
+# These lines in the output should be ignored (plain text, no regex).
+IGNORE_LINES=(
+	'"module name","licenses"' # header of license output for Node.js
+)
+
+echo_green() {
+	printf "\e[1;92m%s\e[0m\n" "$@"
+}
+
+echo_red() {
+	printf "\e[0;91m%s\e[0m\n" "$@"
+}
+
+# capture STDIN
+input=$(cat -)
+
+# remove ignored lines
+for ignored in "${IGNORE_LINES[@]}"; do
+	input=$(echo "$input" | grep -vF "$ignored")
+done
+
+# remove pre-approved modules
+for approved in "${APPROVED_MODULES[@]}"; do
+	input=$(echo "$input" | grep -v "\"${approved}\"")
+	input=$(echo "$input" | grep -v "\"Custom: ${approved}\"")
+done
+
+# remove allowed licenses
+for allowed in "${ALLOWED_LICENSES[@]}"; do
+	input=$(echo "$input" | grep -vF "\"${allowed}\"")
+done
+
+# anything left in the input at this point is a module with an invalid license
+
+# print outcome
+if [ -z "$input" ]; then
+	echo_green "Licenses are okay."
+else
+	echo_red "Unknown licenses found!"
+	echo "$input"
+	exit 1
+fi

.bin/licenses

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -e
+
+{ echo "Checking licenses ..."; } 2>/dev/null
+.bin/list-licenses | .bin/license-engine.sh

.bin/list-licenses

@@ -0,0 +1,26 @@
+#!/bin/sh
+set -e
+
+# list Node licenses
+if [ -f package.json ]; then
+	if grep -q '"dependencies":\s+{[^}]*"[^"]+":' package.json; then
+		npm exec --yes license-checker -- --production --csv --excludePrivatePackages --customPath .bin/license-template-node.json | grep -v '^$'
+		{ echo; } 2>/dev/null
+	else
+		echo "No dependencies found in package.json" >&2
+	fi
+fi
+
+# list Go licenses
+if [ -f go.mod ]; then
+	module_name=$(grep "^module" go.mod | awk '{print $2}')
+	if [ -z "$module_name" ]; then
+		echo "Cannot determine the Go module name" >&2
+		exit 1
+	fi
+
+	# Workaround until https://github.com/google/go-licenses/issues/307 is fixed
+	# .bin/go-licenses report "$module_name" --template .bin/license-template-go.tpl 2>/dev/null
+	go list -f "{{if not .Indirect}}{{.Path}}{{end}}" -m ... | xargs -I {} sh -c '.bin/go-licenses report --template .bin/license-template-go.tpl {}' 2>/dev/null | grep -v '^$'
+	{ echo; } 2>/dev/null
+fi