nestjs-minio-backend
Version:
NestJS module for MinIO integration
82 lines • 3.81 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 FileUrlTransformInterceptor_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FileUrlTransformInterceptor = void 0;
const common_1 = require("@nestjs/common");
const operators_1 = require("rxjs/operators");
const minio_service_1 = require("../minio.service");
const net_1 = require("net");
const http_1 = require("http");
let FileUrlTransformInterceptor = FileUrlTransformInterceptor_1 = class FileUrlTransformInterceptor {
constructor(minioService) {
this.minioService = minioService;
this.logger = new common_1.Logger(FileUrlTransformInterceptor_1.name);
}
intercept(context, next) {
return next.handle().pipe((0, operators_1.map)(async (data) => {
if (!data)
return data;
if (Array.isArray(data)) {
return Promise.all(data.map((item) => this.transformUrls(item)));
}
return this.transformUrls(data);
}));
}
async transformUrls(data, visited = new WeakSet()) {
if (!data)
return data;
if (data instanceof net_1.Socket ||
data instanceof http_1.IncomingMessage ||
data instanceof http_1.ServerResponse ||
data.constructor?.name === 'HTTPParser') {
return data;
}
if (typeof data === 'object' && data !== null) {
if (visited.has(data)) {
return data;
}
visited.add(data);
}
const obj = data.toJSON ? data.toJSON() : data;
if (typeof obj !== 'object' || obj === null) {
return obj;
}
for (const [key, value] of Object.entries(obj)) {
if (typeof value === 'string' && value.startsWith('minio://')) {
const minioPath = this.minioService.parseMinioUrl(value);
if (minioPath) {
try {
obj[key] = await this.minioService.getPresignedUrl(minioPath.bucketName, minioPath.objectName);
}
catch (error) {
this.logger.error(`Error generating presigned URL for ${key}:`, error);
}
}
}
else if (value &&
typeof value === 'object' &&
!Array.isArray(value)) {
obj[key] = await this.transformUrls(value, visited);
}
else if (Array.isArray(value)) {
obj[key] = await Promise.all(value.map((item) => typeof item === 'object' && item !== null ? this.transformUrls(item, visited) : item));
}
}
return obj;
}
};
exports.FileUrlTransformInterceptor = FileUrlTransformInterceptor;
exports.FileUrlTransformInterceptor = FileUrlTransformInterceptor = FileUrlTransformInterceptor_1 = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [minio_service_1.MinioService])
], FileUrlTransformInterceptor);
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