155 lines
3.3 KiB
Go
155 lines
3.3 KiB
Go
package main
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import (
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//"github.com/fogleman/gg"
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"github.com/shermp/go-fbink-v2/gofbink"
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"github.com/shermp/go-kobo-input/koboin"
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//"image"
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"git.sr.ht/~adnano/go-gemini"
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"git.sr.ht/~adnano/go-gemini/tofu"
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"crypto/x509"
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// "time"
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// "bytes"
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"errors"
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"net/url"
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"bufio"
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"io/ioutil"
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"fmt"
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"time"
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"bytes"
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)
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var (
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hosts tofu.KnownHosts
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hostsfile *tofu.HostWriter
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scanner *bufio.Scanner
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)
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var height int = 1080
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var width int = 1440 // TODO get from device instead of hardcoding
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func trustCertificate(hostname string, cert *x509.Certificate) error {
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host := tofu.NewHost(hostname, cert.Raw, cert.NotAfter)
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knownHost, ok := hosts.Lookup(hostname)
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if ok && time.Now().Before(knownHost.Expires) {
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// Check fingerprint
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if bytes.Equal(knownHost.Fingerprint, host.Fingerprint) {
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return nil
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}
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return errors.New("error: fingerprint does not match!")
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} else { // Expired cert or new host: TOFU
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hosts.Add(host)
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hostsfile.WriteHost(host)
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return nil
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}
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return errors.New("error: fingerprint does not match!")
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}
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func do(req *gemini.Request, via []*gemini.Request) (*gemini.Response, error) {
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client := gemini.Client{
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TrustCertificate: trustCertificate,
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}
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resp, err := client.Do(req)
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if err != nil {
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return resp, err
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}
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switch resp.Status.Class() {
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case gemini.StatusClassInput: // TODO implement input
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/* input, ok := getInput(resp.Meta, resp.Status == gemini.StatusSensitiveInput)
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if !ok {
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break
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}
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req.URL.ForceQuery = true
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req.URL.RawQuery = gemini.QueryEscape(input)
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return do(req, via) */
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case gemini.StatusClassRedirect:
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via = append(via, req)
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if len(via) > 5 {
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return resp, errors.New("too many redirects")
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}
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target, err := url.Parse(resp.Meta)
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if err != nil {
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return resp, err
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}
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target = req.URL.ResolveReference(target)
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redirect := *req
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redirect.URL = target
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return do(&redirect, via)
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}
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return resp, err
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}
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func main() {
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// Framebuffer setup
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fbinkOpts := gofbink.FBInkConfig{}
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rOpts := gofbink.RestrictedConfig{}
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fb := gofbink.New(&fbinkOpts, &rOpts)
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fb.Open()
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defer fb.Close()
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fb.Init(&fbinkOpts)
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fb.ClearScreen(&fbinkOpts)
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fb.Refresh(0,0,0,0, gofbink.DitherPassthrough, &fbinkOpts)
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// Touchscreen setup
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touchPath := "/dev/input/event1"
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t := koboin.New(touchPath, height, width)
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if t == nil {
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return
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}
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defer t.Close()
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// Load known hosts file
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path := "/mnt/onboard/.adds/gemini/known-hosts" // TODO don't hardcode
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err := hosts.Load(path) // TODO create known hosts file
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if err != nil {
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fb.Println(err)
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time.Sleep(1000)
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}
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hostsfile, err = tofu.NewHostsFile(path)
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if err != nil {
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fb.Println(err)
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time.Sleep(1000)
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}
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url := "gemini://gemini.circumlunar.space"
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req, err := gemini.NewRequest(url)
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if err != nil {
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fb.Println(err)
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time.Sleep(1000)
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}
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resp, err := do(req, nil)
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if err != nil {
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fb.Println(err)
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time.Sleep(1000)
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}
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defer resp.Body.Close()
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// Handle response
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if resp.Status.Class() == gemini.StatusClassSuccess {
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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fb.Println(err)
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}
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fb.Println(string(body))
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} else {
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fb.Println(fmt.Sprintf("%d %s\n", resp.Status, resp.Meta))
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}
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for {
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x, y, err := t.GetInput()
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if err != nil {
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continue
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}
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if x < 100 && y < 100 {
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break
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}
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}
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hostsfile.Close()
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}
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