2023-05-04 01:17:03 +00:00
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# Emoji CAPTCHA
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> 🚨 This is forked from https://github.com/moderent/emoji-captcha and rewrited
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> with [Axum](https://lib.rs/crates/axum) instead
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> [Actix-Web](https://lib.rs/crates/actix-web) (2x perfomance boost in most
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> scenarious unexpected reason)
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### A CAPTCHA implementation based on identifying emojis
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This was exclusively developed to be used in Telegram, but might be used
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anywhere else.
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2023-05-04 01:22:32 +00:00
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Mirror on my
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[<img src="https://git.zeldon.ru/assets/img/logo.svg" align="center" width="20" height="20"/> Git](https://git.zeldon.ru/zeldon/emoji-captcha-api)
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2023-05-04 01:17:03 +00:00
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## Brief Description
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1. The client sends an HTTP request to the server.
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2. The server returns a generated photo that has 6 emojis inside it, along with:
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- A custom header called `x-emojis` that includes the code points of the six
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emojis in the photo plus 2 random ones in hex, shuffled, splitted by ";",
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and the parts of each of them splitted by "-".
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- A custom header called `x-correct-emojis` that only includes the code
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points of the 6 emojis in the photo.
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3. The client displays the photo returned by the server, along with the emojis
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provided in the `x-emojis` in a way the user can pick them.
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4. The client compares the first six emojis that the user picked with
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`x-correct-emojis`.
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## Credits
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This wouldn't be possible without the inspirations from the CAPTCHA system at
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[@PyrogramLounge](https://t.me/PyrogramLounge).
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