made the presigned url middleware

2025-11-21 14:53:53 +05:30
parent 926ea67e41
commit e21ffd08f1
5 changed files with 392 additions and 0 deletions
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
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        "@aws-sdk/client-s3": "^3.928.0",
+        "@aws-sdk/s3-request-presigner": "^3.310.0",
        "@nestjs/common": "^10.3.0",
        "@nestjs/config": "^3.1.1",
        "@nestjs/core": "^10.3.0",
@@ -679,6 +680,17 @@
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@@ -696,6 +708,32 @@
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@@ -812,6 +850,29 @@
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@@ -825,6 +886,17 @@
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@@ -890,6 +962,76 @@
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@@ -905,6 +1047,73 @@
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@@ -921,6 +1130,41 @@
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@@ -950,6 +1194,27 @@
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@@ -961,6 +1226,18 @@
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@@ -976,6 +1253,41 @@
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@@ -1021,6 +1355,18 @@
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+    },
    "node_modules/@aws-sdk/xml-builder": {
      "version": "3.921.0",
      "resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.921.0.tgz",
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
  "dependencies": {
    "@aws-crypto/sha256-js": "^5.2.0",
    "@aws-sdk/client-s3": "^3.928.0",
+    "@aws-sdk/s3-request-presigner": "^3.310.0",
    "@nestjs/common": "^10.3.0",
    "@nestjs/config": "^3.1.1",
    "@nestjs/core": "^10.3.0",
--- a/serverless.yml
+++ b/serverless.yml
@@ -5,6 +5,14 @@ provider:
  runtime: nodejs20.x
  region: ap-south-1
  versionFunctions: false
+  iamRoleStatements:
+    - Effect: Allow
+      Action:
+        - s3:GetObject
+        - s3:ListBucket
+      Resource:
+        - arn:aws:s3:::minglar-dev-bucket
+        - arn:aws:s3:::minglar-dev-bucket/*

  apiGateway:
    binaryMediaTypes:
--- a/src/common/middlewares/aws/getPreSignedUrl.ts
+++ b/src/common/middlewares/aws/getPreSignedUrl.ts
@@ -0,0 +1,18 @@
+// common/utils/awsPresign.ts
+import config from "@/config/config";
+import { S3Client, GetObjectCommand } from "@aws-sdk/client-s3";
+import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
+
+const s3 = new S3Client({
+  region: config.aws.region, // e.g. ap-south-1
+});
+
+export const getPresignedUrl = async (bucket: string, key: string) => {
+  const command = new GetObjectCommand({
+    Bucket: bucket,
+    Key: key,
+  });
+
+  // URL valid for 1 hour
+  return await getSignedUrl(s3, command, { expiresIn: 3600 });
+};
--- a/src/modules/host/services/host.service.ts
+++ b/src/modules/host/services/host.service.ts
@@ -10,6 +10,8 @@ import { hostCompanyDetailsSchema } from '@/common/utils/validation/host/hostCom
 import { HOST_STATUS_DISPLAY, HOST_STATUS_INTERNAL, STEPPER } from '@/common/utils/constants/host.constant';
 import { MINGLAR_STATUS_DISPLAY, MINGLAR_STATUS_INTERNAL } from '@/common/utils/constants/minglar.constant';
 import { ROLE } from '@/common/utils/constants/common.constant';
+import { getPresignedUrl } from '@/common/middlewares/aws/getPreSignedUrl';
+import config from '@/config/config';

 type HostCompanyDetailsInput = z.infer<typeof hostCompanyDetailsSchema>;

@@ -58,6 +60,23 @@ export class HostService {
      return { stepper: STEPPER.NOT_SUBMITTED } as any;
    }

+    if (host.HostDocuments?.length) {
+      const bucket = config.aws.bucketName;
+
+      for (const doc of host.HostDocuments) {
+        if (doc.filePath) {
+          const filePath = doc.filePath;
+
+          // If full URL is saved, extract only key
+          const key = filePath.startsWith("http")
+            ? filePath.split(".com/")[1]
+            : filePath;
+
+          (doc as any).presignedUrl = await getPresignedUrl(bucket, key);
+        }
+      }
+    }
+
    return host;
  }