Created
July 5, 2018 13:11
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Creates a pure HTML form for a browser-based upload to a AWS S3 compatible server ( like Minio )
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| presigned_json = {:fields=>{:AWSAccessKeyId=>nil, :key=>"1530784425_light", :policy=>"eyJleHBpcmF0aW9uIjoiMjAxOC0wNy0wNVQxMDoxODo0NVoiLCJjb25kaXRpb25zIjpbeyJidWNrZXQiOiJhM2JjdXNlcnMifSx7ImtleSI6IjE1MzA3ODQ0MjVfbGlnaHQifSx7ImFjbCI6InB1YmxpYy1yZWFkIn0sWyJzdGFydHMtd2l0aCIsIiRDb250ZW50LVR5cGUiLCJpbWFnZS8iXSxbImNvbnRlbnQtbGVuZ3RoLXJhbmdlIiwxLDEwMjQwMDAwMF0seyJ4LWFtei1jcmVkZW50aWFsIjoiYTNiY2FjY2Vzcy8yMDE4MDcwNS9ldS13ZXN0LTMvczMvYXdzNF9yZXF1ZXN0In0seyJ4LWFtei1hbGdvcml0aG0iOiJBV1M0LUhNQUMtU0hBMjU2In0seyJ4LWFtei1kYXRlIjoiMjAxODA3MDVUMDk1MzQ1WiJ9XX0=", "x-amz-signature"=>"8e8d3987682ef7793cf0aca381fe7174155ebfa131cf509b94bffd29da2fb1cb", "x-amz-credential"=>"a3bcaccess/20180705/eu-west-3/s3/aws4_request", "x-amz-date"=>"20180705T095345Z", "x-amz-algorithm"=>"AWS4-HMAC-SHA256", :acl=>"public-read"}, :upload_url=>"http://minio:9000/a3bcusers", :download_url=>"http://minio:9000/a3bcusers/1530784425_light"} | |
| json = presigned_json[:fields] | |
| out = [] | |
| out << '<html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> | |
| </head> | |
| <body> | |
| <form action="http://localhost:9000/a3bcusers" method="post" enctype="multipart/form-data"> | |
| Key to upload: ' | |
| out << " | |
| <input type=\"input\" name=\"key\" value=\"#{json[:key]}\" /><br />" | |
| out << " <input type=\"hidden\" name=\"acl\" value=\"#{json[:acl]}\" />" | |
| out << 'Content-Type: | |
| <input type="input" name="Content-Type" value="image/png" /><br />' | |
| out << " | |
| <input type=\"text\" name=\"X-Amz-Credential\" value=\"#{json['x-amz-credential']}\" />" | |
| out << " | |
| <input type=\"text\" name=\"X-Amz-Algorithm\" value=\"#{json['x-amz-algorithm']}\" />" | |
| out << " | |
| <input type=\"text\" name=\"X-Amz-Date\" value=\"#{json['x-amz-date']}\" /> | |
| " | |
| out << ' | |
| Tags for File: | |
| <input type="input" name="x-amz-meta-tag" value="" /><br /> | |
| ' | |
| out << " | |
| <input type=\"hidden\" name=\"Policy\" value=\"#{json[:policy]}\" />" | |
| out << " | |
| <input type=\"hidden\" name=\"X-Amz-Signature\" value=\"#{json['x-amz-signature']}\" />" | |
| out << ' | |
| File: | |
| <input type="file" name="file" /> <br /> | |
| <!-- The elements after this will be ignored --> | |
| <input type="submit" name="submit" value="Upload to Amazon S3" /> | |
| </form> | |
| </html> | |
| ' | |
| o = File.open('out.html','w') | |
| o.puts out | |
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To use simply open 'out.html' with your browser.(
firefox out.html).Form values are pre-filled with json hash given.You can edit some, choose the file to upload and then click upload button.