50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package main
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import (
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"bufio"
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"flag"
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"fmt"
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"github.com/knieriem/markdown"
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"log"
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"net/http"
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"regexp"
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)
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var addr = flag.String("addr", ":8002", "address to listen on")
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var data = flag.String("data", "http://localhost:8003/", "the data server")
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var css = flag.String("css", "/markdown.css", "path to CSS")
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var validPath = regexp.MustCompile("^/([_a-zA-Z0-9]+)\\.md$")
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func renderMarkdownHandler(w http.ResponseWriter, r *http.Request) {
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m := validPath.FindStringSubmatch(r.URL.Path)
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if m == nil {
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http.Error(w, r.URL.Path, http.StatusNotAcceptable)
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return
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}
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md := *data + m[1] + ".md"
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resp, err := http.Get(md)
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if err != nil {
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http.Error(w, err.Error() + md, http.StatusInternalServerError)
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return
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}
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defer resp.Body.Close()
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w.Header().Set("Content-Type", "text/html;charset=UTF-8")
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bo := bufio.NewWriter(w)
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fmt.Fprintf(bo, "<link href=\"%s\" rel=\"stylesheet\"> </link>\n", *css)
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markdown.NewParser(nil).Markdown(resp.Body, markdown.ToHTML(bo))
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bo.Flush()
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}
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func main() {
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flag.Parse()
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http.HandleFunc("/", renderMarkdownHandler)
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e := http.ListenAndServe(*addr, nil)
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if e != nil {
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log.Fatal("ListenAndServe: ", e)
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}
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}
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