I'm making a dynamic image resize tool using Lambda, API gateway and Cloudfront.
The URL is like this.
https://xxx.cloudfront.net/restaurant-101o.png&w=200
But unfortunately, the API returns
{"errorMessage":"Error getting object restaurant-101o.png&w=200 from bucket (bucketname). Make sure they exist and your bucket is in the same region as this function."}
In short, lambda can't separate 2 parameters, which is 'filename' and 'w'. Also, API gateway is set like this.
What should I do? Thanks in advance.
'use strict';
console.log('Loading function');
const im = require('imagemagick');
const aws = require('aws-sdk');
const s3 = new aws.S3({ apiVersion: '2006-03-01' });
exports.handler = (event, context, callback) => {
const bucket = 'xxxx-contents';
const filename = decodeURIComponent(event.filename);
const width = decodeURIComponent(event.w);
const params = {
Bucket: bucket,
Key: 'images/' +filename.split('-')[0]+'/'+filename.split('-')[1],
};
s3.getObject(params, (err, data) => {
if (err) {
console.log(err);
var message = "Error getting object " + filename + " from bucket " + bucket +
". Make sure they exist and your bucket is in the same region as this function.";
console.log(message);
context.fail(message);
} else {
var contentType = data.ContentType;
var extension = contentType.split('/').pop();
im.resize({
srcData: data.Body,
format: extension,
width: width
}, function(err, stdout, stderr) {
if(err) {
context.fail(err);
return;
}
callback(null, new Buffer(stdout, 'binary').toString('base64'))
});
}
});
};
