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January 28, 2017 06:07
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create image data url from otpauth:// url
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| const speakeasy = require('speakeasy') | |
| const totp_obj = { label: 'gist-totp-demo', algorithm: 'sha256', | |
| secret: 'some secret string', encoding: 'base64'} | |
| const otp_url = speakeasy.otpauthURL(totp_obj) | |
| const qr_image = require('qr-image') | |
| const png_buffer = qr_image.imageSync(otp_url, {type: 'png'}) | |
| const svg = qr_image.imageSync(otp_url, {type: 'svg'}) | |
| const svg_buffer = Buffer.from(svg) | |
| const png_data_url = `data:image/png;base64,${png_buffer.toString('base64')}` | |
| const svg_data_url = `data:image/svg;base64,${svg_buffer.toString('base64')}` | |
| console.log(` | |
| ### PNG URL | |
|  | |
| ### SVG URL | |
|  | |
| ### SVG Raw | |
| \`\`\`xml | |
| ${svg} | |
| \`\`\` | |
| `) |
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PNG URL
SVG URL
SVG Raw