Add examples

3 files changed, 97 insertions, 0 deletions

diff --git a/example/client/client.go b/example/client/client.go
new file mode 100644
index 0000000..5b6fde2
--- /dev/null
+++ b/example/client/client.go
@@ -0,0 +1,54 @@
+// +build example
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"git.sr.ht/~adnano/go-gemini"
+	"log"
+	"os"
+)
+
+var client gemini.Client
+
+func makeRequest(url string) {
+	resp, err := client.Request(url)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Status code:", resp.Status)
+	fmt.Println("Meta:", resp.Meta)
+
+	switch resp.Status / 10 {
+	case gemini.StatusClassInput:
+		scanner := bufio.NewScanner(os.Stdin)
+		fmt.Printf("%s: ", resp.Meta)
+		scanner.Scan()
+		query := scanner.Text()
+		makeRequest(url + "?" + query)
+		return
+	case gemini.StatusClassSuccess:
+		fmt.Print("Body:\n", string(resp.Body))
+	case gemini.StatusClassRedirect:
+		log.Print("Redirecting to ", resp.Meta)
+		makeRequest(resp.Meta)
+		return
+	case gemini.StatusClassTemporaryFailure:
+		log.Fatal("Temporary failure")
+	case gemini.StatusClassPermanentFailure:
+		log.Fatal("Permanent failure")
+	case gemini.StatusClassClientCertificateRequired:
+		log.Fatal("Client Certificate Required")
+	default:
+		log.Fatal("Protocol Error")
+	}
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		log.Fatalf("usage: %s gemini://...", os.Args[0])
+	}
+	makeRequest(os.Args[1])
+}
diff --git a/example/server/.gitignore b/example/server/.gitignore
new file mode 100644
index 0000000..10cdeb2
--- /dev/null
+++ b/example/server/.gitignore
@@ -0,0 +1,2 @@
+server.crt
+server.key
diff --git a/example/server/server.go b/example/server/server.go
new file mode 100644
index 0000000..3f0a3e3
--- /dev/null
+++ b/example/server/server.go
@@ -0,0 +1,41 @@
+// +build example
+
+package main
+
+import (
+	"crypto/tls"
+	"git.sr.ht/~adnano/go-gemini"
+	"log"
+	"net/url"
+)
+
+func main() {
+	// Load a TLS key pair.
+	// To generate a TLS key pair, run:
+	//
+	//     openssl genrsa -out server.key 2048
+	//     openssl ecparam -genkey -name secp384r1 -out server.key
+	//     openssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650
+	//
+	config := &tls.Config{}
+	cert, err := tls.LoadX509KeyPair("example/server/server.crt", "example/server/server.key")
+	if err != nil {
+		log.Fatal(err)
+	}
+	config.Certificates = append(config.Certificates, cert)
+
+	mux := &gemini.Mux{}
+	mux.HandleFunc("/", func(url *url.URL) *gemini.Response {
+		return &gemini.Response{
+			Status: gemini.StatusSuccess,
+			Meta:   "text/gemini",
+			Body:   []byte("You requested " + url.String()),
+		}
+	})
+
+	server := gemini.Server{
+		TLSConfig: config,
+		Handler:   mux,
+	}
+	server.ListenAndServe()
+}