1 files changed, 49 insertions, 0 deletions
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..bae1fc0
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,49 @@
+const { S3Client, PutObjectCommand } = require('@aws-sdk/client-s3');
+
+module.exports.handler = async (event) => {
+  const data = Buffer.from(event.body, 'base64');
+  let fileExtension;
+  const contentType = event.headers['Content-Type'] || event.headers['content-type'];
+  switch (contentType) {
+    case 'image/gif':
+      fileExtension = 'gif';
+      break;
+    case 'video/mp4':
+      fileExtension = 'mp4';
+      break;
+    default:
+    return {
+      statusCode: 400,
+      body: 'Invalid Content-Type. Expected image/gif or video/mp4.',
+    };
+  }
+
+  const filename = `${Date.now().toString()}.${fileExtension}`;
+
+  const client = new S3Client({});
+  const command = new PutObjectCommand({
+    Bucket: process.env.S3_BUCKET,
+    Key: filename, 
+    Body: data,
+    ACL: 'public-read',
+    ContentType: contentType
+  });
+
+  try {
+    await client.send(command);
+
+    return {
+        statusCode: 201,
+        body: JSON.stringify({
+          url: `https://${process.env.DOMAIN_NAME}/${filename}`
+        }),
+    };
+  } catch (error) {
+    console.error(error);
+
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ message: 'Error uploading file.' }),
+    };
+  }
+};