I'm running into a weird situation where some files, specifically ZIP format, when uploaded to AWS within my Rails app are corrupted/converted. When downloaded and decompressed they turn into a CPGZ format, which decompresses back into a ZIP, and infinitely does this.
I haven't noticed a pattern that causes this, so it's seemingly sporadic, and can confirm that the files are not corrupt before upload. The only other issue/topic I've found on this relates to PHP, and seems to be different circumstances.
I am using AWS SDK for Ruby v1 (not v2 because of my Rails version) and jQuery-File-Upload. Since some of the files are large, I am using chunked uploads.
In my controller, the presigned POST URL is created like this:
S3_BUCKET.presigned_post(key: "uploads/#{SecureRandom.uuid}-${filename}", success_action_status: '201') And jQuery File Upload is set up like so (some parts removed for brevity):
this.$el.fileupload({ fileInput: this.uploadField, // this is an <input type="file"> url: this.awsURL, // https://BUCKET.s3.amazonaws.com/ formData: JSON.parse(this.awsData), // {"AWSAccessKeyId":"...","key":"uploads/1234-${filename}","policy":"...","signature":"...","success_action_status":"201"} type: 'POST', autoUpload: true, paramName: 'file', dataType: 'XML', replaceFileInput: false, maxChunkSize: 1000000, add: function(event, data) { var file = data.files[0]; var fileType = file.type; // Check file type if (~'ai sketch psd jpg jpeg png zip ttf woff eot gif'.indexOf(fileType.toLowerCase())) { return alert('Sorry, that file type is not supported'); }; data.submit(); }, progress: function(event, data) { // Display progress }, done: function(event, data) { var file = data.files[0]; var fileName = file.name.replace(/ /g,"_"); var item = _this.uploadedItems[fileName]; var key = $(data.jqXHR.responseXML).find("Key").text(); // awsHost = BUCKET.s3.amazonaws.com var url = '//' + _this.awsHost + '/' + key; // Set form values using above info }, fail: function(event, data) { // Alert failure } }); Has anyone experienced this? It's very frustrating.
1 Answers
Answers 1
Set content-type to application/zip when you sending the request.
SEE https://github.com/aws/aws-sdk-ruby/blob/aws-sdk-v1/lib/aws/s3/presigned_post.rb
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