tuf-cli: use "date" directly to get current time

the shell script runs under faketime in the test suite so we
can just get current time without dealing with faketime
env vars.

The java code is a bit simpler since it can just assume the time is set.

Signed-off-by: Jussi Kukkonen <[email protected]>

Author: jku

tuf-cli/src/main/java/dev/sigstore/tuf/cli/TufConformanceServer.java

@@ -89,20 +89,8 @@ private static void handleExecute(HttpServletRequest request, HttpServletRespons
       System.setOut(outPs);
       System.setErr(errPs);
 
-      if (executeRequest.faketime != null && !executeRequest.faketime.isEmpty()) {
-        String faketime = executeRequest.faketime;
-        Instant fakeNow;
-        try {
-          long offsetSeconds = Long.parseLong(faketime);
-          fakeNow = Instant.now().plusSeconds(offsetSeconds);
-        } catch (NumberFormatException e) {
-          throw new IOException(
-              "Faketime must be a relative offset in seconds (e.g., '+3600' or '-3600'), but was: "
-                  + faketime,
-              e);
-        }
-        TestClock.set(Clock.fixed(fakeNow, ZoneOffset.UTC));
-      }
+      Instant fakeNow = Instant.ofEpochSecond(Long.parseLong(executeRequest.faketime));
+      TestClock.set(Clock.fixed(fakeNow, ZoneOffset.UTC));
 
       List<String> resolvedArgs = new java.util.ArrayList<>();
       resolvedArgs.addAll(Arrays.asList(executeRequest.args));

tuf-cli/tuf-cli-server

@@ -14,9 +14,9 @@ if [[ $ARGS_JSON == *, ]]; then
 fi
 ARGS_JSON="$ARGS_JSON]"
 
-FAKETIME_VAL="${FAKETIME:-}"
+DATE_VAL="$(date +%s)"
 
-JSON_PAYLOAD=$(jq -nc --arg cwd "$CWD" --argjson args "$ARGS_JSON" --arg faketime "$FAKETIME_VAL" '{"cwd": $cwd, "args": $args, "faketime": $faketime}')
+JSON_PAYLOAD=$(jq -nc --arg cwd "$CWD" --argjson args "$ARGS_JSON" --arg faketime "$DATE_VAL" '{"cwd": $cwd, "args": $args, "faketime": $faketime}')
 
 RESPONSE=$(curl -s -X POST --header "Content-Type: application/json" --data-binary "$JSON_PAYLOAD" http://localhost:8080/execute)