Merge branch 'master' of git://factorcode.org/git/factor
Joe Groff
commit
18608cb4bb
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Doug Coleman
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! 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 ;
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IN: furnace.chloe-tags.recaptcha
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HELP: <recaptcha>
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{ $values
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{ "responder" "a responder" }
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{ "obj" object }
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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: recaptcha-valid?
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{ $var-description "Set to " { $link t } " if the user solved the last Recaptcha correctly." } ;
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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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{ "Add a handler calling " { $link validate-recaptcha } " in the " { $slot "submit" } " of the " { $link page-action } }
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{ "Put the chloe tag " { $snippet "<recaptcha/>" } " in the template for your " { $link action } }
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}
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"An example follows:"
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{ $code
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HEREDOC: RECAPTCHA-TUTORIAL
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TUPLE: recaptcha-app < dispatcher recaptcha ;
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: <recaptcha-challenge> ( -- obj )
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<action>
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[
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validate-recaptcha
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recaptcha-valid? get "?good" "?bad" ? <redirect>
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] >>submit
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[
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<response>
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{" <?xml version='1.0' ?>
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<t:chloe xmlns:t="http://factorcode.org/chloe/1.0">
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<html><body><t:recaptcha/></body></html>
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</t:chloe>"} >>body
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] >>display ;
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: <recaptcha-app> ( -- obj )
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\ recaptcha-app new-dispatcher
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<recaptcha-challenge> "" add-responder
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<recaptcha>
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"concatenative.org" >>domain
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" >>public-key
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"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" >>private-key ;
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<recaptcha-app> main-responder set-global
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RECAPTCHA-TUTORIAL
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}
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;
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ARTICLE: "furnace.chloe-tags.recaptcha" "Recaptcha chloe tag"
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"The " { $vocab-link "furnace.chloe-tags.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 "public-key" } ", and " { $slot "private-key" } " slots of this responder to your Recaptcha account information." $nl
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"Wrapping a responder with Recaptcha:"
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{ $subsection <recaptcha> }
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"Validating recaptcha:"
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{ $subsection validate-recaptcha }
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"Symbols set after validation:"
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{ $subsection recaptcha-valid? }
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{ $subsection recaptcha-error }
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{ $subsection "recaptcha-example" } ;
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ABOUT: "furnace.chloe-tags.recaptcha"
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! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors furnace.actions furnace.redirection html.forms
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html.templates.chloe.compiler html.templates.chloe.syntax
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http.client http.server http.server.filters io.sockets kernel
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locals namespaces sequences splitting urls validators
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xml.syntax ;
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IN: furnace.chloe-tags.recaptcha
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TUPLE: recaptcha < filter-responder domain public-key private-key ;
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SYMBOLS: recaptcha-valid? recaptcha-error ;
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: <recaptcha> ( responder -- obj )
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recaptcha new
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swap >>responder ;
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M: recaptcha call-responder*
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dup \ recaptcha set
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responder>> call-responder ;
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<PRIVATE
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: (render-recaptcha) ( private-key -- xml )
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dup
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[XML <script type="text/javascript"
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src=<->>
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</script>
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<noscript>
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<iframe src=<->
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height="300" width="500" frameborder="0"></iframe><br/>
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<textarea name="recaptcha_challenge_field" rows="3" cols="40">
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</textarea>
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<input type="hidden" name="recaptcha_response_field"
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value="manual_challenge"/>
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</noscript>
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XML] ;
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: recaptcha-url ( secure? -- ? )
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[ "https://api.recaptcha.net/challenge" >url ]
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[ "http://api.recaptcha.net/challenge" >url ] if ;
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: render-recaptcha ( -- xml )
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secure-connection? recaptcha-url
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recaptcha get public-key>> "k" set-query-param (render-recaptcha) ;
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: parse-recaptcha-response ( string -- valid? error )
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"\n" split first2 [ "true" = ] dip ;
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:: (validate-recaptcha) ( challenge response recaptcha -- valid? error )
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recaptcha private-key>> :> private-key
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remote-address get host>> :> remote-ip
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H{
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{ "challenge" challenge }
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{ "response" response }
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{ "privatekey" private-key }
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{ "remoteip" remote-ip }
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} URL" http://api-verify.recaptcha.net/verify"
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<post-request> http-request nip parse-recaptcha-response ;
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CHLOE: recaptcha
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drop [ render-recaptcha ] [xml-code] ;
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PRIVATE>
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: validate-recaptcha ( -- )
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{
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{ "recaptcha_challenge_field" [ v-required ] }
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{ "recaptcha_response_field" [ v-required ] }
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} validate-params
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"recaptcha_challenge_field" value
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"recaptcha_response_field" value
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\ recaptcha get (validate-recaptcha)
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[ recaptcha-valid? set ] [ recaptcha-error set ] bi* ;
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<?xml version='1.0' ?>
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<t:chloe xmlns:t="http://factorcode.org/chloe/1.0">
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<html>
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<body><t:recaptcha/>
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</body>
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</html>
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</t:chloe>
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Recaptcha library
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@ -0,0 +1 @@
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web
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Loading…
Reference in New Issue