/signed_url.rb
Created Jan 26, 2016
Example of creating a signed image chart URL for ChartURL.com
| # This is a working example. | |
| require 'json' | |
| require 'openssl' | |
| require 'base64' | |
| require 'cgi' | |
| ENCRYPT_KEY = "dek-d7a46236eda961a6c3c18ffcc6b077ba87d27e9ae85f7842c6d427c265dd5f69d5131308d93332353d4a55a4b1160fcf516515a4a9f0aa50fbf2d7a2e7d0f1c5" | |
| PROJECT_TOKEN = "dt-RwYN" | |
| def charturl_url(template_slug, options) | |
| json = options.to_json | |
| sig = Base64.encode64(OpenSSL::HMAC.digest('sha256', ENCRYPT_KEY, json)) | |
| "https://charturl.com/i/#{PROJECT_TOKEN}/#{template_slug}?d=#{CGI.escape json}&s=#{CGI.escape sig}" | |
| end | |
| # Call our helper | |
| url = charturl_url("weekly-activity", | |
| {options: {data: {columns: [["This Week", 10,12,41,9,14,15,15], ["Last Week", 9,14,21,21,20,3,5]]}}}) |
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