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package main
import (
"fmt"
"net/http"
"os/exec"
)
func openBrowser(url string) error {
cmd := exec.Command("xdg-open", url)
return cmd.Start()
}
func startServer(codeChannel chan string) {
// Step 5: Start a web server that listens on localhost:3000
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
// Extract the code parameter from the query string
code := r.URL.Query().Get("code")
if code != "" {
// Send the authorization code to the channel
codeChannel <- code
// Respond to the browser
fmt.Fprintf(w, "Authorization successful! You can now close this window.")
} else {
// If there's no code, display an error
http.Error(w, "Authorization failed", http.StatusBadRequest)
}
})
// Start the server
err := http.ListenAndServe(":3000", nil)
if err != nil {
fmt.Printf("Error starting server: %v\n", err)
}
}
func GetOAuth(clientID string) (string, error) {
// Step 1: Construct the URL with the provided client_id
url := fmt.Sprintf("https://id.twitch.tv/oauth2/authorize?response_type=code&client_id=%s&redirect_uri=http://localhost:3000&scope=user%%3Aread%%3Afollows&state=xsscheckbasic101", clientID)
// Step 2: Open the URL in the default web browser using xdg-open
err := openBrowser(url)
if err != nil {
return "", fmt.Errorf("failed to open browser: %v", err)
}
// Step 3: Start the HTTP server to capture the response
codeChannel := make(chan string)
go startServer(codeChannel)
// Step 4: Wait for the authorization code to be received
code := <-codeChannel
// Return the authorization code
return code, nil
}
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