1 files changed, 118 insertions, 4 deletions

diff --git a/actions.go b/actions.go
index 065b673..6e5c7dd 100644
--- a/actions.go
+++ b/actions.go
@@ -14,6 +14,8 @@ import (
 	"syscall"
 
 	"tildegit.org/tjp/sliderule"
+	"tildegit.org/tjp/sliderule/gemini"
+	"tildegit.org/tjp/sliderule/gopher"
 )
 
 var client sliderule.Client
@@ -103,10 +105,66 @@ func Reload(state *BrowserState, conf *Config) error {
 		return ErrMustBeOnAPage
 	}
 
-	urlStr, _ := gopherURL(state.Url)
-	response, err := client.Fetch(urlStr)
-	if err != nil {
-		return err
+	urlStr, itemType := gopherURL(state.Url)
+	if itemType == gopher.SearchType && state.Url.RawQuery == "" {
+		state.Readline.SetPrompt("query: ")
+		line, err := state.Readline.Readline()
+		if err != nil {
+			return err
+		}
+
+		state.Url.RawQuery = url.QueryEscape(strings.TrimRight(line, "\n"))
+		urlStr, _ = gopherURL(state.Url)
+	}
+
+	var response *sliderule.Response
+	var err error
+	if state.Url.Scheme == "spartan" && state.Url.Fragment == "prompt" {
+		input, err := externalMessage()
+		if err != nil {
+			return err
+		}
+		body := io.LimitReader(bytes.NewBuffer(input), int64(len(input)))
+
+		state.Url.Fragment = ""
+		response, err = client.Upload(state.Url.String(), body)
+		state.Url.Fragment = "prompt"
+		if err != nil {
+			return err
+		}
+	} else {
+		response, err = client.Fetch(urlStr)
+		if err != nil {
+			return err
+		}
+	}
+
+	if state.Url.Scheme == "gemini" {
+		switch response.Status {
+		case gemini.StatusInput:
+			state.Readline.SetPrompt("input: ")
+			line, err := state.Readline.Readline()
+			if err != nil {
+				return err
+			}
+
+			state.Url.RawQuery = url.QueryEscape(strings.TrimRight(line, "\n"))
+			response, err = client.Fetch(state.Url.String())
+			if err != nil {
+				return err
+			}
+		case gemini.StatusSensitiveInput:
+			line, err := state.Readline.ReadPassword("password: ")
+			if err != nil {
+				return err
+			}
+
+			state.Url.RawQuery = url.QueryEscape(strings.TrimRight(string(line), "\n"))
+			response, err = client.Fetch(state.Url.String())
+			if err != nil {
+				return err
+			}
+		}
 	}
 
 	state.DocType = docType(state.Url, response)
@@ -123,6 +181,59 @@ func Reload(state *BrowserState, conf *Config) error {
 	return print(state)
 }
 
+func externalMessage() ([]byte, error) {
+	tmpf, err := os.CreateTemp("", "*")
+	if err != nil {
+		return nil, err
+	}
+	defer func() { _ = os.Remove(tmpf.Name()) }()
+
+	prompt := []byte("# enter input below (this line will be ignored)\n")
+
+	err = (func() error {
+		defer func() { _ = tmpf.Close() }()
+
+		if _, err := tmpf.Write(prompt); err != nil {
+			return err
+		}
+
+		return nil
+	}())
+	if err != nil {
+		return nil, err
+	}
+
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		editor = "vi"
+	}
+	editor, err = exec.LookPath(editor)
+	if err != nil {
+		return nil, err
+	}
+
+	cmd := exec.Command(editor, tmpf.Name())
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		return nil, err
+	}
+
+	tmpf, err = os.Open(tmpf.Name())
+	if err != nil {
+		return nil, err
+	}
+	defer func() { _ = tmpf.Close() }()
+
+	buf, err := io.ReadAll(tmpf)
+	if err != nil {
+		return nil, err
+	}
+
+	return bytes.TrimPrefix(buf, prompt), nil
+}
+
 func back(state *BrowserState) error {
 	if state.Back == nil {
 		return ErrNoPreviousHistory
@@ -287,6 +398,9 @@ func parseURL(str string, state *BrowserState, defaultScheme string) (*url.URL,
 			return nil, -1, ErrInvalidNumericLink
 		}
 		u = state.Links[i].Target
+		if state.Links[i].Prompt {
+			u.Fragment = "prompt"
+		}
 	} else {
 		i = -1
 		u, err = url.Parse(str)