70 lines
2.4 KiB
Racket
70 lines
2.4 KiB
Racket
#lang racket/base
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(require file/sha1
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racket/os
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racket/path
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racket/random
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racket/string
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simple-ini)
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(provide (struct-out player-agent-config)
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load-player-agent-config
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save-player-agent-config!
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valid-app-id?)
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(struct player-agent-config (file ini app-id server-url name) #:transparent)
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(define (fresh-app-id)
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(bytes->hex-string (crypto-random-bytes 32)))
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(define (valid-app-id? value)
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(and (string? value)
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(regexp-match? #px"^[0-9a-fA-F]{64}$" value)))
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(define (load-player-agent-config [file (get-ini-file 'rkt-web-player-agent)])
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(define ini (file->ini file))
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(define configured-id (ini-get ini 'agent 'app-id #f))
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(define value
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(player-agent-config
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file
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ini
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(if (valid-app-id? configured-id)
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(string-downcase configured-id)
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(fresh-app-id))
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(ini-get ini 'server 'url "http://127.0.0.1:8080")
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(ini-get ini 'agent 'name
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(format "~a playback" (gethostname)))))
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(save-player-agent-config! value)
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value)
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(define (save-player-agent-config! value)
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(define ini (player-agent-config-ini value))
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(ini-set! ini 'agent 'app-id (player-agent-config-app-id value))
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(ini-set! ini 'agent 'name (player-agent-config-name value))
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(ini-set! ini 'server 'url (player-agent-config-server-url value))
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(ini->file ini (player-agent-config-file value) #:private? #t))
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(module+ test
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(require rackunit
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racket/file)
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(define test-directory (make-temporary-file "rkt-agent-config-~a" 'directory))
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(define test-file (build-path test-directory "agent.ini"))
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(dynamic-wind
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void
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(lambda ()
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(define first (load-player-agent-config test-file))
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(check-true (valid-app-id? (player-agent-config-app-id first)))
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(define changed
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(struct-copy player-agent-config first
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(server-url "https://music.example.test")
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(name "Test output")))
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(save-player-agent-config! changed)
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(define second (load-player-agent-config test-file))
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(check-equal? (player-agent-config-app-id second)
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(player-agent-config-app-id first))
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(check-equal? (player-agent-config-server-url second)
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"https://music.example.test")
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(check-equal? (player-agent-config-name second) "Test output"))
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(lambda () (delete-directory/files test-directory))))
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