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While in the process of rolling out comment embeds, we'd like to have restrict our beta a bit - because by their nature, once embeds are out, we lose control over them, making it extremely difficult to make changes. So we're restricting the embed generation modal to a certain subset of users (for now), but a savvy user could simply modify an existing public embed to plug in another comment id, which would defeat the point of restricting it. Enter hmac. We know generate a unique token for each comment, and only by using the appropriate token will your embed work. This will be transparent to users, as its just another piece of the html that they copy and paste onto their website. Performance-wise, we're generating tokens for every comment that can be embedded. However, for now that's a limited set, and the operation is pretty fast (roughly 5ms for 1000 tokens on my dev VM); if that becomes a problem, we can easily take this code out after we no longer need the restriction.
Greetings!
This is the primary codebase that powers reddit.com.
For notices about major changes and general discussion of reddit development, subscribe to the /r/redditdev and /r/changelog subreddits.
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Quickstart
To set up your own instance of reddit to develop with, we have a handy install script for Ubuntu that will automatically install and configure most of the stack.
Alternatively, refer to our Install Guide for instructions on setting up reddit from scratch. Many frequently asked questions regarding local reddit installs are covered in our FAQ.
APIs
To learn more about reddit's API, check out our automated API documentation and the API wiki page. Please use a unique User-Agent string and take care to abide by our API rules.
Happy hacking!
Issues and Contribution Guidelines
Thanks for wanting to help make reddit better! First things first, though: github issues is only for confirmed, active bugs. Please submit ideas to /r/ideasfortheadmins.
Please read more on contributions in CONTRIBUTING.md.