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More work on sending/reading proof hint flags

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This commit is contained in:
N-Pex 2025-09-05 11:16:50 +02:00
parent dd76692640
commit 66eef037e0
9 changed files with 267 additions and 219 deletions
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52
src/models/proof.ts
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@ -60,6 +60,9 @@ export type Proof = {
};
export type ProofHintFlags = {
valid: boolean;
source?: string;
creationDate?: Date;
aiGenerated?: boolean;
aiEdited?: boolean;
screenshot?: boolean;
@ -150,10 +153,11 @@ const matchFlag = (rules: FlagMatchRule[], file: any) => {
values.forEach((v) => {
re.forEach((r) => {
if (r.test(v.value)) {
resultInfo.push({ field: v.path, value: v.value, re: r.source })
result = true;
resultInfo.push({ field: v.path, value: v.value, re: r.source });
}
});
})
});
} catch (e) {
console.error("Invalid RE", e);
}
@ -162,7 +166,12 @@ const matchFlag = (rules: FlagMatchRule[], file: any) => {
};
const extractFlagValues = (flagPath: string, file: any): FlagMatchRuleValue[] => {
const getValues = (path: string[], objectPath: any[], actualPath: string, o: any): FlagMatchRuleValue[] | undefined => {
const getValues = (
path: string[],
objectPath: any[],
actualPath: string,
o: any
): FlagMatchRuleValue[] | undefined => {
if (path.length == 0 || o == undefined) return undefined;
let part = path[0];
const lastBracket = part.lastIndexOf("[");
@ -189,7 +198,7 @@ const extractFlagValues = (flagPath: string, file: any): FlagMatchRuleValue[] =>
return strings.map((s, i) => ({ path: actualPath + "/" + part + "[" + i + "]", value: s }));
} else {
return opart.reduce((res: FlagMatchRuleValue[] | undefined, o: any, i: number) => {
const newObjectPaths = [o, ...objectPath];
const newObjectPaths = [o, ...objectPath];
let matches = getValues(path.slice(1), newObjectPaths, actualPath + "/" + part + "[" + i + "]", o);
if (matches) {
const r2 = res || [];
@ -237,19 +246,34 @@ export const extractProofHintFlags = (proof?: Proof): ProofHintFlags | undefined
if (results) {
valid = results.failure.length == 0 && results.success.length > 0;
}
if (valid) {
const dateCreated = extractFlagValues("integrity/c2pa/manifest_info/manifests[]/assertions[label=c2pa.actions]/data/actions[action=c2pa.created]/../../../../signature_info/time", proof);
console.log("DATE CREATED", dateCreated);
const source = extractFlagValues(
"integrity/c2pa/manifest_info/manifests[]/assertions[label=c2pa.actions]/data/actions[action=c2pa.created]/softwareAgent",
proof
);
const flags: ProofHintFlags = {
aiGenerated: matchFlag(ruleAiGenerated(), proof).result,
aiEdited,
screenshot: matchFlag(ruleScreenshot(), proof).result,
camera: matchFlag(ruleCamera(), proof).result,
};
return flags;
const dateCreated = extractFlagValues(
"integrity/c2pa/manifest_info/manifests[]/assertions[label=c2pa.actions]/data/actions[action=c2pa.created]/../../../../signature_info/time",
proof
);
let date: Date | undefined = undefined;
if (dateCreated && dateCreated.length == 1) {
try {
date = new Date(Date.parse(dateCreated[0].value));
} catch (error) {}
}
console.log("DATE CREATED", date);
const flags: ProofHintFlags = {
valid: valid,
source: source && source.length == 1 ? source[0].value : undefined,
creationDate: date,
aiGenerated: matchFlag(ruleAiGenerated(), proof).result,
aiEdited,
screenshot: matchFlag(ruleScreenshot(), proof).result,
camera: matchFlag(ruleCamera(), proof).result,
};
return flags;
} catch (error) {}
return undefined;
};