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| 1 | +'use strict' |
| 2 | + |
| 3 | +const CHECKPOINT_VALIDATION_SCHEMA_VERSION = 'CheckpointValidationResultV1' |
| 4 | +const CHECKPOINT_MODES = new Set(['response-time', 'post-execution']) |
| 5 | + |
| 6 | +function nowIso(options = {}) { |
| 7 | + const nowMs = Number.isFinite(options.nowMs) ? options.nowMs : Date.now() |
| 8 | + return { nowMs, observedAt: new Date(nowMs).toISOString() } |
| 9 | +} |
| 10 | + |
| 11 | +function stringList(value) { |
| 12 | + return [...new Set((Array.isArray(value) ? value : []) |
| 13 | + .map(item => String(item || '').trim()) |
| 14 | + .filter(Boolean))] |
| 15 | +} |
| 16 | + |
| 17 | +function evidenceList(value) { |
| 18 | + return (Array.isArray(value) ? value : []) |
| 19 | + .filter(item => item !== null && item !== undefined) |
| 20 | + .map(item => (item && typeof item === 'object' ? { ...item } : { value: String(item) })) |
| 21 | +} |
| 22 | + |
| 23 | +function normalizeDeadline(value) { |
| 24 | + const text = String(value || '') |
| 25 | + return Number.isFinite(Date.parse(text)) ? new Date(Date.parse(text)).toISOString() : null |
| 26 | +} |
| 27 | + |
| 28 | +/** Evaluate response-time or post-execution evidence without inferring missing host results. */ |
| 29 | +function validateCheckpointEvidence(input = {}, options = {}) { |
| 30 | + const { nowMs, observedAt } = nowIso(options) |
| 31 | + const mode = String(input.mode || '') |
| 32 | + const evidence = evidenceList(input.evidence) |
| 33 | + const blockingIssues = stringList(input.blockingIssues) |
| 34 | + const suppliedActions = stringList(input.requiredActions) |
| 35 | + const deadlineAt = normalizeDeadline(input.deadlineAt) |
| 36 | + |
| 37 | + if (!CHECKPOINT_MODES.has(mode)) { |
| 38 | + return { |
| 39 | + schemaVersion: CHECKPOINT_VALIDATION_SCHEMA_VERSION, |
| 40 | + mode, |
| 41 | + status: 'blocked', |
| 42 | + blocking: true, |
| 43 | + requiredActions: suppliedActions.length ? suppliedActions : ['select-response-time-or-post-execution-mode'], |
| 44 | + evidenceState: 'unverified', |
| 45 | + evidence, |
| 46 | + blockingIssues, |
| 47 | + observedAt, |
| 48 | + errorCode: 'CHECKPOINT_MODE_INVALID', |
| 49 | + deadlineAt |
| 50 | + } |
| 51 | + } |
| 52 | + |
| 53 | + if (blockingIssues.length) { |
| 54 | + return { |
| 55 | + schemaVersion: CHECKPOINT_VALIDATION_SCHEMA_VERSION, |
| 56 | + mode, |
| 57 | + status: 'blocked', |
| 58 | + blocking: true, |
| 59 | + requiredActions: suppliedActions.length ? suppliedActions : blockingIssues, |
| 60 | + evidenceState: evidence.length ? 'source-backed' : 'unverified', |
| 61 | + evidence, |
| 62 | + blockingIssues, |
| 63 | + observedAt, |
| 64 | + errorCode: null, |
| 65 | + deadlineAt |
| 66 | + } |
| 67 | + } |
| 68 | + |
| 69 | + if (!evidence.length) { |
| 70 | + const timedOut = mode === 'post-execution' && deadlineAt && nowMs >= Date.parse(deadlineAt) |
| 71 | + return { |
| 72 | + schemaVersion: CHECKPOINT_VALIDATION_SCHEMA_VERSION, |
| 73 | + mode, |
| 74 | + status: timedOut ? 'incomplete-timeout' : 'unverified', |
| 75 | + blocking: mode === 'post-execution', |
| 76 | + requiredActions: suppliedActions.length |
| 77 | + ? suppliedActions |
| 78 | + : [timedOut ? 'record-timeout-and-recover' : `collect-${mode}-evidence`], |
| 79 | + evidenceState: 'unverified', |
| 80 | + evidence, |
| 81 | + blockingIssues: [], |
| 82 | + observedAt, |
| 83 | + errorCode: timedOut ? 'TRACE_COMPLETION_TIMEOUT' : 'HOST_RESULT_INCOMPLETE', |
| 84 | + deadlineAt |
| 85 | + } |
| 86 | + } |
| 87 | + |
| 88 | + return { |
| 89 | + schemaVersion: CHECKPOINT_VALIDATION_SCHEMA_VERSION, |
| 90 | + mode, |
| 91 | + status: 'pass', |
| 92 | + blocking: false, |
| 93 | + requiredActions: suppliedActions, |
| 94 | + evidenceState: 'verified', |
| 95 | + evidence, |
| 96 | + blockingIssues: [], |
| 97 | + observedAt, |
| 98 | + errorCode: null, |
| 99 | + deadlineAt |
| 100 | + } |
| 101 | +} |
| 102 | + |
| 103 | +function normalizeCheckpointValidationResult(raw, mode, options = {}) { |
| 104 | + const source = raw && typeof raw === 'object' ? raw : {} |
| 105 | + const evidence = evidenceList(source.evidence) |
| 106 | + if (!evidence.length || source.status === 'unverified' || source.status === 'incomplete-timeout') { |
| 107 | + return validateCheckpointEvidence({ |
| 108 | + mode, |
| 109 | + evidence, |
| 110 | + blockingIssues: source.blockingIssues, |
| 111 | + requiredActions: source.requiredActions, |
| 112 | + deadlineAt: source.deadlineAt |
| 113 | + }, options) |
| 114 | + } |
| 115 | + if (source.status === 'blocked') { |
| 116 | + return validateCheckpointEvidence({ |
| 117 | + mode, |
| 118 | + evidence, |
| 119 | + blockingIssues: stringList(source.blockingIssues).length ? source.blockingIssues : ['persisted-blocking-checkpoint'], |
| 120 | + requiredActions: source.requiredActions, |
| 121 | + deadlineAt: source.deadlineAt |
| 122 | + }, options) |
| 123 | + } |
| 124 | + return validateCheckpointEvidence({ mode, evidence, deadlineAt: source.deadlineAt }, options) |
| 125 | +} |
| 126 | + |
| 127 | +function createCheckpointValidationSet(options = {}) { |
| 128 | + return { |
| 129 | + responseTime: validateCheckpointEvidence({ mode: 'response-time' }, options), |
| 130 | + postExecution: validateCheckpointEvidence({ mode: 'post-execution' }, options) |
| 131 | + } |
| 132 | +} |
| 133 | + |
| 134 | +function normalizeCheckpointValidationSet(raw, options = {}) { |
| 135 | + const source = raw && typeof raw === 'object' ? raw : {} |
| 136 | + return { |
| 137 | + responseTime: normalizeCheckpointValidationResult(source.responseTime, 'response-time', options), |
| 138 | + postExecution: normalizeCheckpointValidationResult(source.postExecution, 'post-execution', options) |
| 139 | + } |
| 140 | +} |
| 141 | + |
| 142 | +module.exports = { |
| 143 | + CHECKPOINT_MODES, |
| 144 | + CHECKPOINT_VALIDATION_SCHEMA_VERSION, |
| 145 | + createCheckpointValidationSet, |
| 146 | + normalizeCheckpointValidationResult, |
| 147 | + normalizeCheckpointValidationSet, |
| 148 | + validateCheckpointEvidence |
| 149 | +} |
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