add new taler-exchange-helper-measure programs

1 files changed, 106 insertions, 0 deletions

diff --git a/src/kyclogic/taler-exchange-helper-measure-preserve-set-expiration b/src/kyclogic/taler-exchange-helper-measure-preserve-set-expiration
new file mode 100644
index 000000000..ba09d5489
--- /dev/null
+++ b/src/kyclogic/taler-exchange-helper-measure-preserve-set-expiration
@@ -0,0 +1,106 @@
+#!/bin/bash
+#
+#  This file is part of TALER
+#  Copyright (C) 2024 Taler Systems SA
+#
+#  TALER is free software; you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation; either version 3, or (at your option) any later version.
+#
+#  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/license>
+#
+
+# Hard error reporting on.
+set -eu
+
+
+
+# Exit, with error message (hard failure)
+function exit_fail() {
+    echo " FAIL: " "$@" >&2
+    EXIT_STATUS=1
+    exit "$EXIT_STATUS"
+}
+
+CONF="$HOME/.config/taler-exchange.conf"
+VERBOSE=0
+
+while getopts 'ac:hirvV' OPTION;
+do
+    case "$OPTION" in
+        a)
+            # No attributes are required.
+            exit 0
+            ;;
+        c)
+            # shellcheck disable=SC2034
+            CONF="$OPTARG"
+            ;;
+        h)
+            echo "This is a KYC measure program that preserves the current rules of an account, but sets expiration rules based on the context."
+            echo 'Supported options:'
+            echo '  -a           -- show required attributes'
+            # shellcheck disable=SC2016
+            echo '  -c $CONF     -- set configuration'
+            echo '  -h           -- print this help'
+            echo '  -i           -- show required inputs'
+            echo '  -r           -- show required context'
+            echo '  -v           -- show version'
+            echo '  -V           -- be verbose'
+            ;;
+        i)
+            # Need context and current_rules.
+            echo "context"
+            echo "current_rules"
+            exit 0
+            ;;
+        r)
+            # Need expiration time and successor measure.
+            echo "expiration_time"
+            echo "successor_measure"
+            exit 0
+            ;;
+        v)
+            echo "$0 v0.0.0"
+            exit 0
+            ;;
+        V)
+            VERBOSE=1
+            ;;
+        ?)
+        exit_fail "Unrecognized command line option"
+        ;;
+    esac
+done
+
+if [ 1 = "$VERBOSE" ]
+then
+    echo "Running $0" 1>&2
+fi
+
+# See https://docs.taler.net/taler-kyc-manual.html#tsref-type-AmlProgramInput
+# for the full JSON with possible inputs.
+
+# First, extract inputs we need
+INPUTS=$(jq '{"current_rules":.current_rules,"context":.context}')
+
+# Get context values.
+EXPIRATION_TIME=$(echo "$INPUTS" | jq '.context.expiration_time // null')
+SUCCESSOR_MEASURE=$(echo "$INPUTS" | jq '.context.successor_measure // null')
+
+# Finally, output the new rules.
+# See https://docs.taler.net/taler-kyc-manual.html#tsref-type-AmlOutcome
+# for the required output format.
+
+echo "$INPUTS" \
+    | jq \
+          --jsonarg et "$EXPIRATION_TIME" \
+          --jsonarg sm "$SUCCESSOR_MEASURE" \
+          '.current_rules+{"new_rules":(.new_rules+{"expiration_time":$et,"successor_measure":$sm})}|del(..|nulls)'
+
+exit 0