commit 6f392d20d5867b2298afa215864b02c9c0edfb0b Author: decentral1se Date: Fri Apr 21 19:04:11 2023 +0200 feat: init chaos diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..53d9256 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +*.mp4 +*.wav diff --git a/README.md b/README.md new file mode 100644 index 0000000..002159d --- /dev/null +++ b/README.md @@ -0,0 +1,35 @@ +# varialine + +Varia landline experiments. + +## hacking + +``` +export TWILIO_ACCOUNT_SID=... +export TWILIO_AUTH_TOKEN=... +``` + +``` +ngrok config add-authtoken ... +ngrok http 1312 +``` + +## `about.go` + +- receives incoming calls +- plays a espeak-like message back + +``` +go run about.go +``` + +## `record.go` + +- receives incoming calls +- prompts for message, records it +- downloads them from Twilio infra +- deletes them from Twilio infra + +``` +go run record.go +``` diff --git a/about.go b/about.go new file mode 100644 index 0000000..1474657 --- /dev/null +++ b/about.go @@ -0,0 +1,29 @@ +package main + +import ( + "net/http" + + "github.com/gin-gonic/gin" + "github.com/twilio/twilio-go/twiml" +) + +func main() { + gin.SetMode(gin.ReleaseMode) + + router := gin.Default() + router.POST("/", func(context *gin.Context) { + say := &twiml.VoiceSay{ + Message: "varia (Gouwstraat 3, Rotterdam) is a space for developing collective approaches to everyday technology. As varia members, we maintain and facilitate a collective infrastructure from which we generate questions, opinions, modifications, help and action. We work with free software, organise events and collaborate in different constellations. varia figures things out as they go, tries to keep notes, is multilingual, has open hours and can be contacted at info[@]varia.zone.", + } + + twimlResult, err := twiml.Voice([]twiml.Element{say}) + if err != nil { + context.String(http.StatusInternalServerError, err.Error()) + } else { + context.Header("Content-Type", "text/xml") + context.String(http.StatusOK, twimlResult) + } + }) + + router.Run(":1312") +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..592e14e --- /dev/null +++ b/go.mod @@ -0,0 +1,37 @@ +module varia.zone/varialine + +go 1.20 + +require ( + github.com/gin-gonic/gin v1.9.0 + github.com/twilio/twilio-go v1.6.0 +) + +require ( + github.com/beevik/etree v1.1.0 // indirect + github.com/bytedance/sonic v1.8.0 // indirect + github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.11.2 // indirect + github.com/goccy/go-json v0.10.0 // indirect + github.com/golang/mock v1.6.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.0.9 // indirect + github.com/leodido/go-urn v1.2.1 // indirect + github.com/mattn/go-isatty v0.0.17 // indirect + github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.0.6 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.9 // indirect + golang.org/x/arch v0.0.0-20210923205945-b76863e36670 // indirect + golang.org/x/crypto v0.5.0 // indirect + golang.org/x/net v0.7.0 // indirect + golang.org/x/sys v0.5.0 // indirect + golang.org/x/text v0.7.0 // indirect + google.golang.org/protobuf v1.28.1 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..119ebaf --- /dev/null +++ b/go.sum @@ -0,0 +1,121 @@ +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/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= +github.com/bytedance/sonic v1.8.0 h1:ea0Xadu+sHlu7x5O3gKhRpQ1IKiMrSiHttPF0ybECuA= +github.com/bytedance/sonic v1.8.0/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U= +github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod 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h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w= +google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/record.go b/record.go new file mode 100644 index 0000000..3a54653 --- /dev/null +++ b/record.go @@ -0,0 +1,111 @@ +package main + +import ( + "fmt" + "io" + "net/http" + "net/url" + "os" + "strings" + "time" + + "github.com/gin-gonic/gin" + "github.com/twilio/twilio-go" + api "github.com/twilio/twilio-go/rest/api/v2010" + "github.com/twilio/twilio-go/twiml" +) + +// downloadFile downloads a file from the interwebz. +func downloadFile(filepath string, url string) error { + resp, err := http.Get(url) + if err != nil { + return err + } + defer resp.Body.Close() + + out, err := os.Create(filepath) + if err != nil { + return err + } + defer out.Close() + + _, err = io.Copy(out, resp.Body) + return err +} + +// pullRecordings downloads recordings from Twilio infra. +func pullRecordings() { + cwd, err := os.Getwd() + if err != nil { + fmt.Printf("failed to get cwd: %s\n", err) + os.Exit(1) + } + + client := twilio.NewRestClient() + for { + fmt.Println("sleeping for 5 minutes...") + time.Sleep(300 * time.Second) + fmt.Println("waking up & polling for recordings...") + + resp, err := client.Api.ListRecording(&api.ListRecordingParams{}) + if err != nil { + fmt.Printf("failed to list recordings: %s\n", err) + continue + } + + if len(resp) == 0 { + fmt.Println("no recordings, sleeping again!") + continue + } + + for _, rec := range resp { + medUrl := *rec.MediaUrl + fmt.Printf("attempting to download %s\n", medUrl) + parsed, err := url.Parse(medUrl) + if err != nil { + fmt.Printf("failed to parse %s: %s\n", medUrl, err) + continue + } + + split := strings.Split(parsed.Path, "/") + fname := fmt.Sprintf("%s.wav", split[len(split)-1]) + absFname := fmt.Sprintf("%s/%s", cwd, fname) + + if err := downloadFile(absFname, medUrl); err != nil { + fmt.Printf("failed to download %s: %s\n", medUrl, err) + continue + } + + fmt.Printf("attempting to delete %s\n", medUrl) + err = client.Api.DeleteRecording(*rec.Sid, &api.DeleteRecordingParams{}) + if err != nil { + fmt.Printf("failed to delete %s: %s\n", medUrl, err) + continue + } + } + } +} + +func main() { + gin.SetMode(gin.ReleaseMode) + + router := gin.Default() + router.POST("/", func(context *gin.Context) { + say := &twiml.VoiceSay{Message: "Thanks for calling Varia. Please leave a message after the beep."} + record := &twiml.VoiceRecord{PlayBeep: "true"} + + twimlResult, err := twiml.Voice([]twiml.Element{say, record}) + if err != nil { + context.String(http.StatusInternalServerError, err.Error()) + } else { + context.Header("Content-Type", "text/xml") + context.String(http.StatusOK, twimlResult) + } + }) + + fmt.Println("firing up recording downloader / deleter") + go pullRecordings() + + fmt.Println("running server...") + router.Run(":1312") +}