From 8a3ddad58e9829bfe61d5c6990c1d1c0ec34c0d8 Mon Sep 17 00:00:00 2001
From: sloumdrone <brian.michael.evans@gmail.com>
Date: Tue, 17 Sep 2019 21:57:21 -0700
Subject: [PATCH] Added ability to view a link's url with the check command

---
 .gitignore       |  1 +
 client.go        | 30 +++++++++++++----
 gemini/gemini.go | 83 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 107 insertions(+), 7 deletions(-)
 create mode 100644 gemini/gemini.go

diff --git a/.gitignore b/.gitignore
index 9fe1ace..cb9380e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 bombadillo
+*.asciinema
diff --git a/client.go b/client.go
index 372a00d..766bd96 100644
--- a/client.go
+++ b/client.go
@@ -386,16 +386,19 @@ func (c *client) doLinkCommandAs(action, target string, values []string) {
 		return
 	}
 
+	num -= 1
+
+	links := c.PageState.History[c.PageState.Position].Links
+	if num >= len(links) || num < 0 {
+		c.SetMessage(fmt.Sprintf("Invalid link id: %s", target), true)
+		c.DrawMessage()
+		return
+	}
+
 	switch action {
 	case "ADD", "A":
-		links := c.PageState.History[c.PageState.Position].Links
-		if num >= len(links) {
-			c.SetMessage(fmt.Sprintf("Invalid link id: %s", target), true)
-			c.DrawMessage()
-			return
-		}
 		bm := make([]string, 0, 5)
-		bm = append(bm, links[num-1])
+		bm = append(bm, links[num])
 		bm = append(bm, values...)
 		msg, err := c.BookMarks.Add(bm)
 		if err != nil {
@@ -455,6 +458,7 @@ func (c *client) doLinkCommand(action, target string) {
 		c.DrawMessage()
 	}
 
+
 	switch action {
 	case "DELETE", "D":
 		msg, err := c.BookMarks.Delete(num)
@@ -482,6 +486,18 @@ func (c *client) doLinkCommand(action, target string) {
 			return
 		}
 		c.Visit(c.BookMarks.Links[num])
+	case "CHECK", "C":
+		num -= 1
+
+		links := c.PageState.History[c.PageState.Position].Links
+		if num >= len(links) || num < 0 {
+			c.SetMessage(fmt.Sprintf("Invalid link id: %s", target), true)
+			c.DrawMessage()
+			return
+		}
+		link := links[num]
+		c.SetMessage(fmt.Sprintf("[%d] %s", num + 1, link), false)
+		c.DrawMessage()
 	default:
 	  c.SetMessage(fmt.Sprintf("Action %q does not exist for target %q", action, target), true)
 		c.DrawMessage()
diff --git a/gemini/gemini.go b/gemini/gemini.go
new file mode 100644
index 0000000..d0f3ce9
--- /dev/null
+++ b/gemini/gemini.go
@@ -0,0 +1,83 @@
+package gemini
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net"
+	"io/ioutil"
+	// "strings"
+	"time"
+
+	// "tildegit.org/sloum/mailcap"
+)
+
+
+//------------------------------------------------\\
+// + + +          F U N C T I O N S          + + + \\
+//--------------------------------------------------\\
+
+func Retrieve(host, port, resource string) ([]byte, error) {
+	nullRes := make([]byte, 0)
+	timeOut := time.Duration(5) * time.Second
+
+	if host == "" || port == "" {
+		return nullRes, fmt.Errorf("Incomplete request url")
+	}
+
+	addr := host + ":" + port
+
+	conf := &tls.Config{
+		InsecureSkipVerify: true,
+	}
+
+	conn, err := net.DialTimeout("tcp", addr, timeOut)
+	if err != nil {
+		return nullRes, err
+	}
+
+	secureConn := tls.Client(conn, conf)
+
+	send := resource + "\n"
+
+	_, err = secureConn.Write([]byte(send))
+	if err != nil {
+		return nullRes, err
+	}
+
+	result, err := ioutil.ReadAll(conn)
+	if err != nil {
+		return nullRes, err
+	}
+
+	return result, nil
+}
+
+func Visit(host, port, resource string) (string, []string, error) {
+	resp, err := Retrieve(host, port, resource)
+	if err != nil {
+		return "", []string{}, err
+	} 
+	
+	// TODO break out the header
+	// header := ""
+	mime := ""
+	mimeMaj := mime
+	mimeMin := mime
+	// status := ""
+	content := string(resp)
+
+	if mimeMaj == "text" &&  mimeMin == "gemini" {
+		// text := string(resp)
+		// links := []string{}
+
+		// TODO parse geminimap from 'content'
+	} else if mimeMaj == "text" {
+		// TODO just return the text
+	} else {
+		// TODO use mailcap to try and open the file
+	}
+
+
+	return content, []string{}, nil
+}
+