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64 lines
2.1 KiB
64 lines
2.1 KiB
(in-package :lolisp)
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(defvar @html "text/html")
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(defparameter *serb* nil
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"The hunchentoot acceptor (server) that will serve our handlers and
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files.")
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(defmacro str (&rest strs)
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"Concatenate a list of strings `strs' to one string."
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`(concatenate 'string ,@strs))
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(defmacro config-item (thing &aux (item (gensym)))
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"Get `thing' from the alist `config', error if it doesn't exist"
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`(let ((,item (assoc ,thing config)))
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(when (atom ,item)
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(error "No such config item"))
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(cdr ,item)))
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(defun loli-link (rating)
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"Extract file_url from the JSON returned by `dex:get' and replace
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escaped backslashes (\\\\/) with /.
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Use cl-rng to pick a random page from the lolibooru API"
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(cl-ppcre:register-groups-bind (url)
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("(?:file_url\":\")(.*?)(?:\",)"
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(dex:get (str "https://lolibooru.moe/post/index.json?tags=rating:"
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(or (cl-ppcre:scan-to-strings "-?[sqe]" rating) "s")
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"+-3dcg+-rape&limit=1&page="
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(write-to-string (cl-rng:crandom :limit 25000 :transform 'floor)))))
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(cl-ppcre:regex-replace-all "\\\\/" url "/")))
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(defun based-loli (url)
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(str "data:image/jpeg;base64," (qbase64:encode-bytes (dex:get url))))
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(henh:handle :get (loli :uri "/loli/") @html
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(rating)
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(cl-who:with-html-output-to-string (x)
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(:html
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(:head
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(:meta :charset "utf-8")
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(:meta :name "viewport" :content "width=device-width, initial-scale=1")
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(:title "lolisp")
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(:style "body{position:relative;}img{object-fit:contain;width:100%;height:100%;}#about{position:absolute;top:8px;right:16px}"))
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(:body
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(:img :src (based-loli (loli-link rating)))
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(:a :id "about" :href "/loli/about" "about")))
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x))
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(henh:host-file "/loli/about" "about.html" @html)
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(defun configure ()
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(setf *serb* (make-instance 'hunchentoot:easy-acceptor
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:port (config-item :port)
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:document-root (config-item :document-root))))
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(defun start ()
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(handler-case (configure)
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(error (e) "Configuration failed: ~a" e))
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(hunchentoot:start *serb*))
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(export '(configure
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start
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*serb*))
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