Created
March 13, 2018 07:03
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Browser to IPFS Example
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>JavaScript file upload</title> | |
| <meta http-equiv="content-type" content="text/html; charset=UTF-8"> | |
| <script src="https://wzrd.in/standalone/buffer"></script> | |
| <script src="https://unpkg.com/[email protected]/dist/index.js" | |
| integrity="sha384-5bXRcW9kyxxnSMbOoHzraqa7Z0PQWIao+cgeg327zit1hz5LZCEbIMx/LWKPReuB" | |
| crossorigin="anonymous"></script> | |
| </head> | |
| <script type="text/javascript"> | |
| function upload() { | |
| const reader = new FileReader(); | |
| reader.onloadend = function() { | |
| const ipfs = window.IpfsApi('localhost', 5001) // Connect to IPFS | |
| const buf = buffer.Buffer(reader.result) // Convert data into buffer | |
| ipfs.files.add(buf, (err, result) => { // Upload buffer to IPFS | |
| if(err) { | |
| console.error(err) | |
| return | |
| } | |
| let url = `https://ipfs.io/ipfs/${result[0].hash}` | |
| console.log(`Url --> ${url}`) | |
| document.getElementById("url").innerHTML= url | |
| document.getElementById("url").href= url | |
| document.getElementById("output").src = url | |
| }) | |
| } | |
| const photo = document.getElementById("photo"); | |
| reader.readAsArrayBuffer(photo.files[0]); // Read Provided File | |
| } | |
| </script> | |
| <body> | |
| <form action="/"> | |
| <fieldset> | |
| <legend>Upload photo</legend> | |
| <input type="file" name="photo" id="photo"> | |
| <button type="button" onclick="upload()">Upload</button> | |
| </fieldset> | |
| </form> | |
| </br> | |
| </br> | |
| <a id="url"></a> | |
| </br> | |
| </br> | |
| <img id="output"> | |
| </body> | |
| </html> |
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