38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
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---
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title: "Access token"
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description: "mCaptcha implements leaky bucket algorithm to measure
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current traffic levels. Cooldown period specifies the leak or the time
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after which a visitor addition is decremented."
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lead: ""
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date: 2022-07-22
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lastmod: 2022-07-22 20:17
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draft: false
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images: []
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menu:
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docs:
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parent: "Terminology"
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weight: 521
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toc: true
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---
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When a visitor solves the CAPTCHA and sends their solution to an
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mCaptcha instance, the solution will be verified for correctness. If the
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solution is correct, mCaptcha will return a single use access token.
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This access token should be attached to the visitor's requited to the
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protected service and the protected service should validity of the
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access token with the mCaptcha instance and only allow access to
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protected resource if the access token is valid.
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## Validate access token:
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```bash
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curl --location --request POST 'https://mcaptcha.example.net/api/v1/pow/siteverify' \
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--header 'Content-Type: application/json' \
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--data-raw '{
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"token": "replace this with the access token presented by visitor",
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"key": "replace this with the sitekey associated with the CAPTCHA"
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"secret": "replace this with mCaptcha account secret, available in settings"
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}'
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```
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