51 lines
2.3 KiB
Factor
51 lines
2.3 KiB
Factor
! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: help.markup help.syntax http.server.filters kernel
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multiline furnace.actions furnace.alloy furnace.conversations ;
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IN: furnace.recaptcha
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HELP: <recaptcha>
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{ $values
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{ "responder" "a responder" }
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{ "recaptcha" recaptcha }
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}
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{ $description "A " { $link filter-responder } " wrapping another responder. Set the domain, public, and private keys using the key you get by registering with recaptcha." } ;
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HELP: recaptcha-error
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{ $var-description "Set to the error string returned by the recaptcha server." } ;
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HELP: validate-recaptcha
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{ $description "Validates a recaptcha using the recaptcha web service API." } ;
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ARTICLE: "recaptcha-example" "Recaptcha example"
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"There are several steps to using the recaptcha library."
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{ $list
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{ "Wrap the responder in a " { $link <recaptcha> } }
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{ "Wrap the responder in an " { $link <alloy> } " if it is not already, to enable conversations and database access" }
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{ "Call " { $link validate-recaptcha } " from the " { $slot "validate" } " slot of the " { $link action } }
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{ "Put the chloe tag " { $snippet "<recaptcha/>" } " inside a form tag in the template served by your " { $link action } }
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}
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$nl
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"There is an example web app using recaptcha support:"
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{ $code
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"USING: furnace.recaptcha.example http.server ;"
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"<recaptcha-app> main-responder set-global"
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"8080 httpd"
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} ;
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ARTICLE: "furnace.recaptcha" "Recaptcha support for Furnace"
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"The " { $vocab-link "furnace.recaptcha" } " vocabulary implements support for the recaptcha. Recaptcha is a web service that provides the user with a captcha, a test that is easy to solve by visual inspection, but hard to solve by writing a computer program. Use a captcha to protect forms from abusive users." $nl
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"The recaptcha responder is a " { $link filter-responder } " that wraps another responder. Set the " { $slot "domain" } ", " { $slot "site-key" } ", and " { $slot "secret-key" } " slots of this responder to your recaptcha account information." $nl
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"Wrapping a responder with recaptcha support:"
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{ $subsections <recaptcha> }
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"Validating recaptcha:"
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{ $subsections validate-recaptcha }
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"Symbol set after validation:"
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{ $subsections recaptcha-error }
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"An example:"
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{ $subsections "recaptcha-example" } ;
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ABOUT: "furnace.recaptcha"
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