90 lines
2.2 KiB
Factor
90 lines
2.2 KiB
Factor
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! Copyright (C) 2007 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: assocs furnace html html.elements http.server
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http.server.responders io kernel math math.ranges
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namespaces random sequences store strings ;
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IN: webapps.wee-url
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SYMBOL: shortcuts
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SYMBOL: store
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! "wee-url.store" load-store store set-global
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! H{ } clone shortcuts store get store-variable
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: set-at-once ( value key assoc -- ? )
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2dup key? [ 3drop f ] [ set-at t ] if ;
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: responder-url "responder/wee-url" ;
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: wee-url ( string -- url )
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[
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"http://" %
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host %
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responder-url %
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%
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] "" make ;
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: letter-bank
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890" ; inline
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: random-url ( -- string )
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1 6 [a,b] random [ drop letter-bank random ] "" map-as
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dup shortcuts get key? [ drop random-url ] when ;
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: add-shortcut ( url-long url-short -- url-short )
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shortcuts get set-at-once [
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store get save-store
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] [
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drop
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] if ;
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: show-submit ( -- )
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serving-html
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"wee-url.com - wee URLs since 2007" [
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<form "get" =method "url-submit" =action form>
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"URL: " write
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<input "text" =type "url" =name input/>
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<input "submit" =type "Submit" =value input/>
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</form>
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] simple-html-document ;
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\ show-submit { } define-action
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: url-submitted ( url-long url-short -- )
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"URL Submitted" [
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"URL: " write write nl
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"wee-url: " write
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<a dup wee-url =href a> wee-url write </a> nl
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"Back to " write
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<a responder-url =href a> "wee-url" write </a> nl
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] simple-html-document ;
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: url-submit ( url -- )
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[ add-shortcut ] keep
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url-submitted ;
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\ url-submit {
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{ "url" }
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} define-action
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: url-error ( -- )
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serving-html
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"wee-url error" [
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"No such link." write
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] simple-html-document ;
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: wee-url-responder ( url -- )
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"url" query-param [
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url-submit drop
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] [
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dup empty? [
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drop show-submit
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] [
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shortcuts get at*
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[ permanent-redirect ] [ drop url-error ] if
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] if
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] if* ;
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! "wee-url" "wee-url-responder" "extra/webapps/wee-url" web-app
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~
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