cnpmcore
Version:
119 lines • 9.75 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ShowPackageController = void 0;
const tegg_1 = require("@eggjs/tegg");
const AbstractController_1 = require("../AbstractController");
const PackageUtil_1 = require("../../../common/PackageUtil");
const SyncUtil_1 = require("../../../common/SyncUtil");
const PackageManagerService_1 = require("../../../core/service/PackageManagerService");
const CacheService_1 = require("../../../core/service/CacheService");
let ShowPackageController = class ShowPackageController extends AbstractController_1.AbstractController {
async show(ctx, fullname) {
const [scope, name] = (0, PackageUtil_1.getScopeAndName)(fullname);
const isSync = (0, SyncUtil_1.isSyncWorkerRequest)(ctx);
const abbreviatedMetaType = 'application/vnd.npm.install-v1+json';
const isFullManifests = ctx.accepts(['json', abbreviatedMetaType]) !== abbreviatedMetaType;
// handle cache
// fallback to db when cache error
try {
const cacheEtag = await this.cacheService.getPackageEtag(fullname, isFullManifests);
if (!isSync && cacheEtag) {
let requestEtag = ctx.request.get('if-none-match');
if (requestEtag.startsWith('W/')) {
requestEtag = requestEtag.substring(2);
}
if (requestEtag === cacheEtag) {
// make sure CDN cache header set here
this.setCDNHeaders(ctx);
// match etag, set status 304
ctx.status = 304;
return;
}
// get cache pkg data
const cacheBytes = await this.cacheService.getPackageManifests(fullname, isFullManifests);
if (cacheBytes && cacheBytes.length > 0) {
ctx.set('etag', `W/${cacheEtag}`);
ctx.type = 'json';
this.setCDNHeaders(ctx);
return cacheBytes;
}
}
}
catch (e) {
this.logger.error(e);
this.logger.error('[ShowPackageController.show:error] get cache error, ignore');
}
// handle cache miss
let result;
if (isFullManifests) {
result = await this.packageManagerService.listPackageFullManifests(scope, name, isSync);
}
else {
result = await this.packageManagerService.listPackageAbbreviatedManifests(scope, name, isSync);
}
const { etag, data, blockReason } = result;
// 404, no data
if (!etag) {
const allowSync = this.getAllowSync(ctx);
// don't set cdn header, no cdn cache for new package to sync as soon as possible
throw this.createPackageNotFoundErrorWithRedirect(fullname, undefined, allowSync);
}
if (blockReason) {
this.setCDNHeaders(ctx);
throw this.createPackageBlockError(blockReason, fullname);
}
const cacheBytes = Buffer.from(JSON.stringify(data));
// only set cache with normal request
// sync request response with no bug version fixed
if (!isSync) {
ctx.runInBackground(async () => {
await this.cacheService.savePackageEtagAndManifests(fullname, isFullManifests, etag, cacheBytes);
});
}
// set etag
// https://forum.nginx.org/read.php?2,240120,240120#msg-240120
// should set weak etag avoid nginx remove it
ctx.set('etag', `W/${etag}`);
ctx.type = 'json';
this.setCDNHeaders(ctx);
return cacheBytes;
}
};
exports.ShowPackageController = ShowPackageController;
__decorate([
(0, tegg_1.Inject)(),
__metadata("design:type", PackageManagerService_1.PackageManagerService)
], ShowPackageController.prototype, "packageManagerService", void 0);
__decorate([
(0, tegg_1.Inject)(),
__metadata("design:type", CacheService_1.CacheService)
], ShowPackageController.prototype, "cacheService", void 0);
__decorate([
(0, tegg_1.HTTPMethod)({
// GET /:fullname
// https://www.npmjs.com/package/path-to-regexp#custom-matching-parameters
path: `/:fullname(${PackageUtil_1.FULLNAME_REG_STRING})`,
method: tegg_1.HTTPMethodEnum.GET,
}),
__param(0, (0, tegg_1.Context)()),
__param(1, (0, tegg_1.HTTPParam)()),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object, String]),
__metadata("design:returntype", Promise)
], ShowPackageController.prototype, "show", null);
exports.ShowPackageController = ShowPackageController = __decorate([
(0, tegg_1.HTTPController)()
], ShowPackageController);
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