intense stupidity ensues

go.mod

@@ -1,3 +1,13 @@
 module git.tdpain.net/codemicro/pi-phone
 
 go 1.23.2
+
+require (
+	github.com/twilio/twilio-go v1.23.5
+	go.akpain.net/cfger v0.2.1
+)
+
+require (
+	github.com/beevik/etree v1.1.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,54 @@
+github.com/beevik/etree v1.1.0 h1:T0xke/WvNtMoCqgzPhkX2r4rjY3GDZFi+FjpRZY2Jbs=
+github.com/beevik/etree v1.1.0/go.mod h1:r8Aw8JqVegEf0w2fDnATrX9VpkMcyFeM0FhwO62wh+A=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
+github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/localtunnel/go-localtunnel v0.0.0-20170326223115-8a804488f275/go.mod h1:zt6UU74K6Z6oMOYJbJzYpYucqdcQwSMPBEdSvGiaUMw=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/twilio/twilio-go v1.23.5 h1:5ksHynnYhjKf1vG7KK7+jujEj/DhQ1knwQAhNuDExW4=
+github.com/twilio/twilio-go v1.23.5/go.mod h1:zRkMjudW7v7MqQ3cWNZmSoZJ7EBjPZ4OpNh2zm7Q6ko=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.akpain.net/cfger v0.2.1 h1:EXbJqxIAJWuYvYX/HqaG85u2Ikk2Xs1foLTUsnIz7bQ=
+go.akpain.net/cfger v0.2.1/go.mod h1:uaeo30IdnyNNBIEAT0SwvGIWGBauxMI+THVbk8L0oTs=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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pi-phone/main.go

@@ -0,0 +1,117 @@
+package main
+
+import (
+	"embed"
+	"github.com/twilio/twilio-go/twiml"
+	"go.akpain.net/cfger"
+	"log/slog"
+	"net/http"
+	"os"
+	"strings"
+)
+
+func main() {
+	if err := run(); err != nil {
+		slog.Error("unhandled error", "error", err)
+		os.Exit(1)
+	}
+}
+
+var (
+	httpAddr     = cfger.GetEnv("PIPHONE_HTTP_ADDRESS").WithDefault("127.0.0.1:8080").AsString()
+	externalAddr = strings.TrimSuffix(cfger.GetEnv("PIPHONE_EXTERNAL_ADDRESS").Required().AsString(), "/")
+)
+
+//go:embed audio
+var audioAssets embed.FS
+
+func run() error {
+	mux := http.NewServeMux()
+
+	s := server{}
+
+	mux.HandleFunc("GET /calls/new", s.handleNewCall)
+	mux.HandleFunc("GET /calls/menu", s.handleCallMenu)
+	mux.Handle("/", http.FileServer(http.FS(audioAssets)))
+
+	slog.Info("server alive", "address", httpAddr)
+	return http.ListenAndServe(httpAddr, mux)
+}
+
+func getExternalUrlTo(path string) string {
+	return externalAddr + "/" + path
+}
+
+type server struct{}
+
+func (server) die(rw http.ResponseWriter, rq *http.Request, err error) {
+	slog.Error("unhandled error in HTTP handler", "url", rq.URL, "error", err)
+	rw.WriteHeader(http.StatusInternalServerError)
+	_, _ = rw.Write([]byte("Internal Server Error"))
+}
+
+func (s server) writeTwimlOrDie(rw http.ResponseWriter, rq *http.Request, elems []twiml.Element) {
+	twimlXML, err := twiml.Voice(elems)
+	if err != nil {
+		s.die(rw, rq, err)
+		return
+	}
+	rw.Header().Set("Content-Type", "application/xml")
+	_, _ = rw.Write([]byte(twimlXML))
+}
+
+func (s server) handleNewCall(rw http.ResponseWriter, rq *http.Request) {
+	elems := []twiml.Element{
+		&twiml.VoiceGather{
+			Method:              "GET",
+			Action:              getExternalUrlTo("calls/menu"),
+			Timeout:             "10",
+			NumDigits:           "1",
+			ActionOnEmptyResult: "true",
+			InnerElements: []twiml.Element{
+				&twiml.VoicePlay{
+					Url: getExternalUrlTo("audio/welcome-menu.mp3"),
+				},
+			},
+		},
+	}
+
+	s.writeTwimlOrDie(rw, rq, elems)
+	return
+}
+
+func (s server) handleCallMenu(rw http.ResponseWriter, rq *http.Request) {
+	enteredDigits := rq.URL.Query().Get("Digits")
+
+	var elems []twiml.Element
+
+	switch enteredDigits {
+	case "1":
+		elems = append(elems, &twiml.VoicePlay{
+			Url: getExternalUrlTo("audio/the-first-100-digits-are.mp3"),
+		}, &twiml.VoicePlay{
+			Url: getExternalUrlTo("audio/sequence.mp3"),
+		}, &twiml.VoicePause{
+			Length: "1",
+		})
+	case "2":
+		elems = append(elems, &twiml.VoicePlay{
+			Url: getExternalUrlTo("audio/option-two.mp3"),
+		})
+	case "":
+		elems = append(elems, &twiml.VoicePlay{
+			Url: getExternalUrlTo("audio/no-buttons-pressed.mp3"),
+		})
+	default:
+		elems = append(elems, &twiml.VoicePlay{
+			Url: getExternalUrlTo("audio/invalid.mp3"),
+		})
+	}
+
+	elems = append(elems, &twiml.VoicePlay{
+		Url: getExternalUrlTo("audio/goodbye.mp3"),
+	})
+
+	s.writeTwimlOrDie(rw, rq, elems)
+	return
+}

track-generator/generate.py

@@ -0,0 +1,23 @@
+from pydub import AudioSegment
+
+SEQUENCE = "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"
+DIGITS = {
+    "1": AudioSegment.from_file("one.mp3"),
+    "2": AudioSegment.from_file("two.mp3"),
+    "3": AudioSegment.from_file("three.mp3"),
+    "4": AudioSegment.from_file("four.mp3"),
+    "5": AudioSegment.from_file("five.mp3"),
+    "6": AudioSegment.from_file("six.mp3"),
+    "7": AudioSegment.from_file("seven.mp3"),
+    "8": AudioSegment.from_file("eight.mp3"),
+    "9": AudioSegment.from_file("nine.mp3"),
+    "0": AudioSegment.from_file("zero.mp3"),
+    ".": AudioSegment.from_file("point.mp3"),
+}
+
+audio = DIGITS[SEQUENCE[0]]
+
+for char in SEQUENCE[1:]:
+    audio += DIGITS[char]
+
+audio.export("sequence.mp3")