(define-module (entry-points server) :use-module (util) :use-module (util app) :use-module (util config) :use-module (srfi srfi-1) :use-module (ice-9 match) :use-module (ice-9 control) :use-module (ice-9 rdelim) :use-module (ice-9 curried-definitions) :use-module (ice-9 ftw) :use-module (ice-9 getopt-long) :use-module (ice-9 iconv) :use-module (ice-9 regex) #| regex here due to bad macros |# :use-module (web server) :use-module (web request) :use-module (web response) :use-module (web uri) :use-module (web http) :use-module (sxml simple) :use-module (server util) :use-module (server macro) :use-module (vcomponent) :use-module (datetime) :use-module (datetime util) :use-module (output html) :use-module (output ical) :export (main) ) (define (file-extension name) (car (last-pair (string-split name #\.)))) (define (sxml->html-string sxml) (with-output-to-string (lambda () (display "\n") (sxml->xml sxml)))) (define (// . args) (string-join args file-name-separator-string )) (define (directory-table dir) `(table (thead (tr (th "") (th "Name") (th "Perm"))) (tbody ,@(map (lambda (k) (let* ((stat (lstat (// dir k)))) `(tr (td ,(case (stat:type stat) [(directory) "📁"] [(regular) "📰"] [else "🙃"])) (td (a (@ (href "/" ,dir "/" ,k)) ,k)) (td ,(number->string (stat:perms stat) 8))))) (cdr (scandir dir)))))) (define-method (make-make-routes) (make-routes (GET "/week/:start-date.html" (start-date) (let* ((start-date (start-of-week (parse-iso-date start-date) (get-config 'week-start)))) (return '((content-type text/html)) (with-output-to-string (lambda () (html-generate calendars: (getf 'calendars) events: (getf 'event-set) start-date: start-date end-date: (date+ start-date (date day: 6)) next-start: (lambda (d) (date+ d (date day: 7))) prev-start: (lambda (d) (date- d (date day: 7))) render-calendar: render-calendar intervaltype: 'week )))))) (GET "/month/:start-date.html" (start-date) (let* ((start-date (parse-iso-date start-date))) (return '((content-type text/html)) (with-output-to-string (lambda () (html-generate calendars: (getf 'calendars) events: (getf 'event-set) start-date: start-date end-date: (date- (month+ start-date) (date day: 1)) next-start: month+ prev-start: month- ;; internally rounds start-date to start of month render-calendar: render-calendar-table pre-start: (start-of-week start-date) post-end: (end-of-week (end-of-month start-date)) intervaltype: 'month )))))) ;; Get specific page by query string instead of by path. ;; Useful for
's, since they always submit in this form, but also ;; useful when javascript is disabled, since a link to "today" needs some ;; form of evaluation when clicked. (GET "/today" (view date) (define location (parse-header 'location (format #f "/~a/~a.html" (or view "month") (date->string (cond [date => parse-iso-date] [else (current-date)]) "~1"))) ) (return (build-response code: 302 headers: `((location . ,location))) "")) ;; TODO export all events in interval (GET "/calendar" (start end) (return '((content-type text/calendar)) (with-output-to-string (lambda () (ical-main (parse-iso-date start) (parse-iso-date end)))))) ;; TODO this fails if there's a period in the uid. (GET "/calendar/:uid{.*}.ics" (uid) (aif (get-event-by-uid uid) (return '((content-type text/calendar)) (with-output-to-string (lambda () (print-components-with-fake-parent (list it))))) (return (build-response code: 404) (format #f "No component with UID=~a found." uid)))) ;; NOTE this only handles files with extensions. Limited, but since this ;; is mostly for development, and something like nginx should be used in ;; production it isn't a huge problem. (GET "/static/:*{.*}.:ext" (* ext) (return ;; TODO actually check mimetype `((content-type ,(string->symbol (string-append "text/" ext)))) (call-with-input-file (string-append "static/" * "." ext) read-string))) (GET "/static/:*{.*}" (*) (return '((content-type text/html)) (sxml->html-string (directory-table (// "static" *))))) (GET "/count" () ;; (sleep 1) (return '((content-type text/plain)) (string-append (number->string state) "\n") (1+ state))))) (define options '((port (value #t) (single-char #\p)) (addr (value #t)) ;; TODO numbers as single-char seems to not work. (six (single-char #\6)) (four (single-char #\4)))) (define-public (main args) (define opts (getopt-long args options)) (define port (option-ref opts 'port 8080)) (define addr (option-ref opts 'addr #f)) (define family (cond [(option-ref opts 'six #f) AF_INET6] [(option-ref opts 'four #f) AF_INET] [(and addr (string-contains addr ":")) AF_INET6] [(and addr (string-contains addr ".")) AF_INET] [else AF_INET6])) ;; update address if it was left blank. A bit clumsy since ;; @var{addr} & @var{family} depend on each other. ;; placed after load-calendars to keep Guile 2.2 compability. (set! addr (if addr addr (if (eqv? family AF_INET6) "::" "0.0.0.0"))) ;; NOTE The default make-default-socket is broken for IPv6. ;; A patch has been submitted to the mailing list. 2020-03-31 (module-set! (resolve-module '(web server http)) 'make-default-socket (lambda (family addr port) (let ((sock (socket family SOCK_STREAM 0))) (setsockopt sock SOL_SOCKET SO_REUSEADDR 1) (bind sock family addr port) sock))) ;; TODO possibly test inet-pton here on address? (format #t "Starting server on ~a:~a~%I'm ~a, runing from ~a~%" addr port (getpid) (getcwd)) (run-server (make-make-routes) 'http `(family: ,family port: ,port host: ,addr) 0))