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Trust Token API ãšã¯ïŒ
Trust Token API ã¯ãç°ãªããŠã§ããµã€ãéã§ãŠãŒã¶ãŒã®æ£åœæ§ã«å¯Ÿããä¿¡é Œã確ç«ããããã®ãã©ã€ãã·ãŒãä¿è·ããã¡ã«ããºã ãæäŸããããã«èšèšããããŠã§ãæšæºã§ãããã©ãŠã¶ã¯ããŠãŒã¶ãŒãæ€èšŒããåŸïŒäŸïŒCAPTCHA ã®è§£æ±ºãã¢ã«ãŠã³ããã°ã€ã³ïŒãæå·åããŒã¯ã³ãçºè¡ã§ããŸãããã®ããŒã¯ã³ã¯ãä»ã®ãŠã§ããµã€ãã§ããã®ãŠãŒã¶ãŒãããããäžæ£ãªè¡çºè ã§ã¯ãªããæ¬ç©ã®äººéã§ããå¯èœæ§ãé«ãããšã瀺ãããã«å©çšã§ããŸãã
ãã®äžå¿çãªã¢ã€ãã¢ã¯ããµãŒãããŒã㣠Cookie ãã¯ãã¹ãµã€ããã©ããã³ã°ãžã®äŸåãããããã©ã€ããŒãã§å®å šãªã¢ãããŒãã«çœ®ãæããããšã§ããTrust Token API ã¯ãç²åºŠã®çްãããŠãŒã¶ãŒããŒã¿ããã¡ã€ã³éã§å ±æãã代ããã«ãåçŽãªä¿¡é Œã®ãã€ããªä¿¡å·ãäŒæãããããšãã§ããŸãããã®ä¿¡å·ã¯ããŠã§ããµã€ããäžæ£è¡çºãšæŠããåºåã®é¢é£æ§ãåäžããããã©ã€ãã·ãŒã䟵害ããããšãªãå šäœçãªãŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ãåäžãããã®ã«åœ¹ç«ã¡ãŸãã
ããã³ããšã³ã Trust Token Manager ã®åœ¹å²
ããã³ããšã³ã Trust Token Manager ã¯ããŠã§ãã¢ããªã±ãŒã·ã§ã³ã§ Trust Token API ãå®è£ ããããã®éèŠãªã³ã³ããŒãã³ãã§ããããŒã¯ã³ã®çºè¡ãã¹ãã¬ãŒãžãããã³åéã®è€éããåŠçããéçºè åãã®ç°¡çŽ åãããã€ã³ã¿ãŒãã§ãŒã¹ãæäŸããŸããäž»ãªè²¬ä»»ã¯æ¬¡ã®ãšããã§ãã
- ããŒã¯ã³çºè¡ïŒ IssuerïŒãŠãŒã¶ãŒã®ä¿¡é Œæ§ã蚌æã§ãããŠã§ããµã€ãïŒãšé£æºã㊠Trust Token ãååŸããŸãã
- ããŒã¯ã³ã¹ãã¬ãŒãžïŒ çºè¡ãããããŒã¯ã³ããã©ãŠã¶ã®ã¹ãã¬ãŒãžïŒäŸïŒIndexedDBïŒã«å®å šã«ä¿åããŠãåŸã§äœ¿çšã§ããããã«ããŸãã
- ããŒã¯ã³åéïŒ Redemption EndpointïŒãŠãŒã¶ãŒã®ä¿¡é Œæ§ã®èšŒæãå¿ èŠãšãããŠã§ããµã€ãïŒããèŠæ±ããããšãã«ããŒã¯ã³ãæç€ºããŸãã
- ããŒã¯ã³ã©ã€ããµã€ã¯ã«ç®¡çïŒ ããŒã¯ã³ãæå¹ã§ããããšã確èªããå¿ èŠã«å¿ããŠæŽæ°ããããŒã¯ã³ã®æå¹æéãåŠçããŸãã
- ãšã©ãŒåŠçïŒ ããŒã¯ã³ã®çºè¡ãã¹ãã¬ãŒãžããŸãã¯åéäžã«çºçããå¯èœæ§ã®ãããšã©ãŒãé©åã«ç®¡çããŸãã
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Trust Token ã©ã€ããµã€ã¯ã«ãçè§£ãã
Trust Token ã©ã€ããµã€ã¯ã«ã«ã¯ãæåã®çºè¡ããæçµçãªæå¹æéãŸã§ã®ããŒã¯ã³ã®å šè¡çšãå«ãŸããŸãããã®ã©ã€ããµã€ã¯ã«ã广çã«ç®¡çããããšã¯ããŠãŒã¶ãŒã®ãã©ã€ãã·ãŒãšã»ãã¥ãªãã£ãç¶æããªãããTrust Token API ã®å©ç¹ãæå€§éã«é«ããããã«éåžžã«éèŠã§ãã1. ããŒã¯ã³çºè¡
ã©ã€ããµã€ã¯ã«ã®æåã®ã¹ãããã¯ãTrust Token ãååŸããããšã§ããããã«ã¯éåžžããŠãŒã¶ãŒã Issuerãã€ãŸããŠãŒã¶ãŒã®æ£åœæ§ãæ€èšŒããããã«ä¿¡é ŒãããŠãããŠã§ããµã€ããšå¯Ÿè©±ããããšãå«ãŸããŸããIssuer ã¯ãCAPTCHAãã¢ã«ãŠã³ããã°ã€ã³ããŸãã¯è¡ååæãªã©ãããŸããŸãªæ¹æ³ã䜿çšããŠãŠãŒã¶ãŒãæ€èšŒã§ããŸãã
Issuer ããŠãŒã¶ãŒã¯æ£åœã§ãããšå€æãããšãTrust Token API ã䜿çšããŠããŒã¯ã³ãçºè¡ããŸãããã®åŸããã©ãŠã¶ã¯ããŒã¯ã³ãå®å šã«ä¿åããIssuer ãšé¢é£ä»ããŸãã
äŸïŒ 人æ°ã®ãããã¥ãŒã¹ãŠã§ããµã€ãã§ã¯ãç¹å®ã®èšäºã«ã¢ã¯ã»ã¹ããåã«ãŠãŒã¶ãŒã« CAPTCHA ã®è§£æ±ºãèŠæ±ããå ŽåããããŸããCAPTCHA ãæ£åžžã«å®äºãããšããŠã§ããµã€ã㯠Issuer ãšããŠæ©èœãããŠãŒã¶ãŒã®ãã©ãŠã¶ã« Trust Token ãçºè¡ããŸãã
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async function issueTrustToken(issuerOrigin) {
try {
const token = await document.hasTrustToken(issuerOrigin);
if (token) {
console.log("Trust token already exists for issuer.");
return;
}
await document.requestTrustToken(issuerOrigin);
console.log("Trust token issued successfully.");
} catch (error) {
console.error("Error issuing trust token:", error);
}
}
2. ããŒã¯ã³ã¹ãã¬ãŒãž
çºè¡åŸãTrust Token ã¯ãã©ãŠã¶ã«å®å šã«ä¿åããå¿ èŠããããŸããIndexedDB ã¯ãæ§é åããŒã¿ãåŠçããæ©èœãšãã©ãŠã¶ã»ãã·ã§ã³å šäœã§ã®æ°žç¶æ§ã«ãããTrust Token ã®ä¿åã«ãã䜿çšãããŸããé©åãªã¹ãã¬ãŒãžã¯ãããŒã¯ã³ãå¿ èŠãªãšãã«å©çšå¯èœã§ãããäžæ£ã¢ã¯ã»ã¹ããä¿è·ãããããšãä¿èšŒããããã«éèŠã§ãã
ããŒã¯ã³èªäœã ãã§ãªããIssuer ãªãªãžã³ãçºè¡ã¿ã€ã ã¹ã¿ã³ããæå¹æéãªã©ã®ã¡ã¿ããŒã¿ãä¿åããããšãéèŠã§ãããã®ã¡ã¿ããŒã¿ã¯ãããŒã¯ã³ã®ã©ã€ããµã€ã¯ã«ã管çãããã®æå¹æ§ã倿ããããã«äžå¯æ¬ ã§ãã
äŸïŒ ããã³ããšã³ã Trust Token Manager ã¯ãããŒã¯ã³ã Issuer ã® URL ããã³ããŒã¯ã³ãçºè¡ãããæ¥æã瀺ãã¿ã€ã ã¹ã¿ã³ããšãšãã«ä¿åããŸãã
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async function storeTrustToken(issuerOrigin, token) {
const db = await openDatabase(); // Assume openDatabase() returns a promise resolving to an IndexedDB database instance.
const transaction = db.transaction(['trustTokens'], 'readwrite');
const store = transaction.objectStore('trustTokens');
await store.put({ issuerOrigin: issuerOrigin, token: token, timestamp: Date.now() });
await transaction.done;
console.log('Trust token stored successfully.');
}
3. ããŒã¯ã³åé
ãŠãŒã¶ãŒãä¿¡é Œæ§ã®èšŒæãå¿ èŠãšãããŠã§ããµã€ãïŒRedemption EndpointïŒã«ã¢ã¯ã»ã¹ãããšãããã³ããšã³ã Trust Token Manager ã¯ãã¹ãã¬ãŒãžããé¢é£ãã Trust Token ãååŸãããšã³ããã€ã³ãã«æç€ºããŸãããã®åŸãRedemption Endpoint ã¯ããŒã¯ã³ã®æå¹æ§ãæ€èšŒãããŠãŒã¶ãŒã«ã¢ã¯ã»ã¹ãèš±å¯ãããã匷åããããµãŒãã¹ãæäŸããããæ±ºå®ã§ããŸãã
åéããã»ã¹ã«ã¯éåžžãTrust Token ãå«ãç¹å¥ãªããããŒãå«ã HTTP ãªã¯ãšã¹ãã®éä¿¡ãå«ãŸããŸãããµãŒããŒåŽã®ã³ã³ããŒãã³ãã¯ãIssuer ã®å ¬ééµã«å¯ŸããŠããŒã¯ã³ãæ€èšŒããŠããã®ä¿¡é Œæ§ã確èªããŸãã
äŸïŒ e ã³ããŒã¹ãŠã§ããµã€ãã§ã¯ããŠãŒã¶ãŒã補åã¬ãã¥ãŒãæçš¿ããåã« Trust Token ãæç€ºããå¿ èŠãããå ŽåããããŸããããã¯ãã¹ãã ãäžæ£ãªã¬ãã¥ãŒãé²ãã®ã«åœ¹ç«ã¡ãŸãã
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async function redeemTrustToken(redemptionEndpoint) {
try {
const issuerOrigin = await determineIssuerOrigin(redemptionEndpoint); // Logic to determine the relevant issuer
const tokenData = await getStoredTrustToken(issuerOrigin);
if (!tokenData || !tokenData.token) {
console.log("No valid trust token found for issuer.");
return null; // Or trigger token request
}
const token = tokenData.token;
const response = await fetch(redemptionEndpoint, {
method: 'POST',
headers: {
'Trust-Token': token
}
});
if (response.ok) {
console.log("Trust token redeemed successfully.");
return response.json(); // Or appropriate response handling
} else {
console.error("Trust token redemption failed:", response.status);
return null;
}
} catch (error) {
console.error("Error redeeming trust token:", error);
return null;
}
}
4. ããŒã¯ã³æ€èšŒ
Trust Token ãåéããåã«ãããŒã¯ã³ããŸã æå¹ã§ãããæéåãã«ãªã£ãŠããªãããšã確èªããããã«æ€èšŒããå¿ èŠããããŸããæ€èšŒã«ã¯ãããŒã¯ã³ã®æå¹æéãçŸåšã®æéãšç §ããåãããŠç¢ºèªããå Žåã«ãã£ãŠã¯ Issuer ã®å ¬ééµã«å¯ŸããŠããŒã¯ã³ã®çœ²åãæ€èšŒããããšãå«ãŸããŸãïŒãã ããããã¯éåžžãåéäžã«ãµãŒããŒåŽã§åŠçãããŸãïŒã
ããã³ããšã³ã Trust Token Manager ã¯ãä¿åãããããŒã¯ã³ã®æå¹æ§ã宿çã«ç¢ºèªããå¿ èŠã«å¿ããŠæŽæ°ããå¿ èŠããããŸããããã«ããããŠãŒã¶ãŒã¯å¿ èŠãªãšãã«ãã€ã§ãæå¹ãªããŒã¯ã³ã«ã¢ã¯ã»ã¹ã§ããããã«ãªããŸãã
äŸïŒ ããã³ããšã³ã Trust Token Manager ã¯ãä¿åãããããŒã¯ã³ã®æå¹æéã®ã¿ã€ã ã¹ã¿ã³ãããåéã詊ã¿ãåã«ç¢ºèªããŸããããŒã¯ã³ãæéåãã«ãªã£ãŠããå Žåã¯ãæ°ããããŒã¯ã³çºè¡ãªã¯ãšã¹ããéå§ããŸãã
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async function isTokenValid(tokenData) {
if (!tokenData || !tokenData.timestamp) {
return false;
}
const now = Date.now();
const expiryTime = tokenData.timestamp + TOKEN_EXPIRY_TIME; // TOKEN_EXPIRY_TIME is a constant in milliseconds
return now < expiryTime;
}
5. ããŒã¯ã³æŽæ°
Trust Token ã«ã¯æå¹æéãéãããŠããŸããããŒã¯ã³ãæéåãã«ãªããšãç¡å¹ã«ãªããåéã§ããªããªããŸãããŠãŒã¶ãŒãåžžã«æå¹ãªããŒã¯ã³ã«ã¢ã¯ã»ã¹ã§ããããã«ããããã«ãããã³ããšã³ã Trust Token Manager ã¯ããŒã¯ã³æŽæ°ã¡ã«ããºã ãå®è£ ããå¿ èŠããããŸãã
ããŒã¯ã³æŽæ°ã«ã¯ãä¿åãããããŒã¯ã³ã®æå¹æ§ã宿çã«ç¢ºèªããæ¢åã®ããŒã¯ã³ãæéåãã«ãªãåã« Issuer ããæ°ããããŒã¯ã³ãèŠæ±ããããšãå«ãŸããŸããããã¯ãäºåã«ïŒäŸïŒã¿ã€ããŒã§ïŒãŸãã¯ãªã¢ã¯ãã£ãã«ïŒäŸïŒæå¹æéåãã®ããã«ããŒã¯ã³åéã®è©Šè¡ã倱æããå ŽåïŒå®è¡ã§ããŸãã
äŸïŒ ããã³ããšã³ã Trust Token Manager ã¯ã24 æéããšã«ããŒã¯ã³ãæŽæ°ããã¿ã¹ã¯ãã¹ã±ãžã¥ãŒã«ããŸããããŒã¯ã³ãæŽæ°ããåã«ãããŒã¯ã³ãæå¹æéã«è¿ã¥ããŠãããã©ããã確èªããŸãããã®å Žåã¯ãIssuer ããæ°ããããŒã¯ã³ãèŠæ±ããŸãã
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async function refreshToken(issuerOrigin) {
try {
const tokenData = await getStoredTrustToken(issuerOrigin);
if (!tokenData) {
console.log("No token to refresh for", issuerOrigin);
return;
}
if (await isTokenValid(tokenData)) {
console.log("Token still valid, no need to refresh for", issuerOrigin);
return;
}
await document.requestTrustToken(issuerOrigin); // Get a new token
console.log("Trust token refreshed successfully for", issuerOrigin);
// Store the new token (implementation similar to storeTrustToken)
} catch (error) {
console.error("Error refreshing trust token:", error);
}
}
6. ããŒã¯ã³æå¹æé
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