A README was rewritten and complemented with a new behavior of a GET /:id endpoint.

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Alexander Andreev 2022-08-28 23:33:59 +04:00
parent 691659c2d0
commit 7e506ee982
Signed by: Arav
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@ -13,36 +13,38 @@ A simple CAPTCHA service implementation.
## API ## API
### Get a new captcha ### Get a new CAPTCHA
GET / GET /
It will return an ID of a new captcha in plaintext. It will return an ID of a new CAPTCHA in plain text.
#### HTTP codes #### HTTP codes
- `200` if created - `200` if created (and it always being created)
### Get an image for a captcha ### Get an image for a CAPTCHA
GET /:captcha_id/image?style= GET /:captcha_id/image?style=
Responds with an image (e.g. in PNG format). Responds with an image in JPEG format.
An optional query parameter `style=` could be supplied if captcha implementation An optional URL query parameter `style=` set a name of a CAPTCHA style if
support different styles. implemented by used CAPTCHA implementation.
#### HTTP codes #### HTTP codes
- `200` if exists - `200` if exists
- `404` if doesn't exist - `404` if doesn't exist
- `500` if for some reason Image wasn't created - `500` if for some reason an image wasn't created
### Submit an answer ### Submit an answer
POST /:captcha_id POST /:captcha_id
It takes one form-data parameter `answer=123456`. Accepts `application/x-www-form-urlencoded` content type.
Responds with empty body and one of HTTP codes. It takes one parameter `answer=123456`.
Responds with an empty body and one of the HTTP codes.
#### HTTP codes #### HTTP codes
- `200` if solved - `200` if solved
@ -51,9 +53,19 @@ Responds with empty body and one of HTTP codes.
### Check if captcha is solved ### Check if captcha is solved
GET /:captcha_id GET /:captcha_id?remove
Responds with empty body and one of HTTP codes. Responds with an empty body and one of the HTTP codes.
If an optional `remove` URL query parameter without a value supplied. CAPTCHA
will be removed without check if it is solved and a HTTP code `200` will be sent.
Otherwise, a `403` HTTP code will be sent, and, e.g. browser will print an error
message to console. So, in this case it helps to keep a browser's console cleaner.
If CAPTCHA doesn't exist a `404` HTTP code still will be returned.
This can be useful to remove an unused CAPTCHA from a DB without waiting for it
to be expired. E.g. when a visitor requests for a new CAPTCHA because he struggle
to solve it.
#### HTTP codes #### HTTP codes
- `200` if solved - `200` if solved