openam-agent-custom
Version:
Customized ForgeRock AM Policy Agent for Node.js from Zoltan Tarcsay
103 lines • 5.59 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
var __1 = require("..");
/**
* Shield implementation for enforcing Oauth2 access_tokens. This Shield implementation validates an OAuth2 access_token
* issued by OpenAM, using OpenAM's /oauth2/tokeninfo service. The access_token must be sent in an Authorization header.
*/
var Oauth2Shield = /** @class */ (function () {
function Oauth2Shield(realm) {
if (realm === void 0) { realm = '/'; }
this.realm = realm;
}
Oauth2Shield.prototype.evaluate = function (req, res, agent) {
return __awaiter(this, void 0, void 0, function () {
var accessToken, tokenInfo;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
accessToken = this.getAccessTokenFromRequest(req);
if (!accessToken.length) return [3 /*break*/, 2];
return [4 /*yield*/, this.getTokenInfo(agent, accessToken)];
case 1:
tokenInfo = _a.sent();
return [3 /*break*/, 3];
case 2:
agent.logger.info("OAuth2Shield: " + req.url + " => deny");
throw new __1.ShieldEvaluationError(401, 'Unauthorized', 'Missing OAuth2 Bearer token');
case 3:
agent.logger.info("OAuth2Shield: " + req.url + " => allow");
agent.logger.debug(JSON.stringify(tokenInfo, null, 2));
return [2 /*return*/, { key: accessToken, data: tokenInfo }];
}
});
});
};
Oauth2Shield.prototype.getAccessTokenFromRequest = function (req) {
var authorizationHeader = req.headers.authorization || '';
return authorizationHeader.replace('Bearer', '').trim();
};
Oauth2Shield.prototype.getTokenInfo = function (agent, accessToken) {
return __awaiter(this, void 0, void 0, function () {
var err_1, message;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, agent.amClient.validateAccessToken(accessToken, this.realm)];
case 1: return [2 /*return*/, _a.sent()];
case 2:
err_1 = _a.sent();
message = 'Internal server error';
try {
message = JSON.parse(err_1.body).error_description;
}
catch (_b) {
// body is not json
}
throw new __1.ShieldEvaluationError(err_1.statusCode || 500, message);
case 3: return [2 /*return*/];
}
});
});
};
return Oauth2Shield;
}());
exports.Oauth2Shield = Oauth2Shield;
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