mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

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Diffstat (limited to 'shell/grapheme-stack.mu')

0 files changed, 0 insertions, 0 deletions

package main import ( "crypto/sha256" "fmt" "io/ioutil" "log" "net/http" "os" "time" "github.com/gorilla/mux" ) // handles "/" func indexHandler(w http.ResponseWriter, r *http.Request) { // Stat the index template to get the mod time var etag string if indextmpl, err := os.Stat("assets/tmpl/index.html"); err != nil { log.Printf("Couldn't stat index template for ETag ... %v\n", err) } else { etag = fmt.Sprintf("%x", sha256.Sum256([]byte(indextmpl.ModTime().String()))) } // Take the hex-encoded sha256 sum of the index template's mod time // to send as an ETag. If an error occured when grabbing the file info, // the ETag will be empty. w.Header().Set("ETag", "\""+etag+"\"") w.Header().Set("Content-Type", htmlutf8) // Pass the confObj.Instance data to the template, // then send it to the client. err := tmpls.ExecuteTemplate(w, "index.html", confObj.Instance) if err != nil { log500(w, r, err) return } log200(r) } // handles "/api" func apiBaseHandler(w http.ResponseWriter, r *http.Request) { timerfc3339, err := time.Now().MarshalText() if err != nil { log.Printf("Couldn't format time as RFC3339: %v\n", err) } etag := fmt.Sprintf("%x", sha256.Sum256(timerfc3339)) w.Header().Set("ETag", etag) w.Header().Set("Content-Type", txtutf8) pathdata := []byte("\n\n" + r.URL.Path) timerfc3339 = append(timerfc3339, pathdata...) _, err = w.Write(timerfc3339) if err != nil { log500(w, r, err) return } log200(r) } // handles "/api/plain" // maybe add json/xml support later func apiFormatHandler(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) format := vars["format"] w.Header().Set("Content-Type", txtutf8) _, err := w.Write([]byte(format + "\n")) if err != nil { log500(w, r, err) return } log200(r) } // handles "/api/plain/(users|mentions|tweets)" func apiEndpointHandler(w http.ResponseWriter, r *http.Request) { err := r.ParseForm() if err != nil { log500(w, r, err) return } if r.FormValue("q") != "" || r.FormValue("url") != "" { err := apiEndpointQuery(w, r) if err != nil { log500(w, r, err) return } log200(r) return } w.Header().Set("Content-Type", htmlutf8) _, err = w.Write([]byte(r.URL.String())) if err != nil { log500(w, r, err) return } log200(r) } // handles POST for "/api/plain/users" func apiEndpointPOSTHandler(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) format := vars["format"] endpoint := vars["endpoint"] w.Header().Set("Content-Type", htmlutf8) _, err := w.Write([]byte(format + "/" + endpoint)) if err != nil { log500(w, r, err) return } log200(r) } // handles "/api/plain/tags" func apiTagsBaseHandler(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) format := vars["format"] w.Header().Set("Content-Type", htmlutf8) _, err := w.Write([]byte("api/" + format + "/tags")) if err != nil { log500(w, r, err) return } log200(r) } // handles "/api/plain/tags/[a-zA-Z0-9]+" func apiTagsHandler(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) tags := vars["tags"] out, err := twtxtCache.QueryInStatus(tags) if err != nil { log500(w, r, err) return } data := parseQueryOut(out) w.Header().Set("Content-Type", txtutf8) _, err = w.Write(data) if err != nil { log500(w, r, err) return } log200(r) } // Serving the stylesheet virtually because // files aren't served directly. func cssHandler(w http.ResponseWriter, r *http.Request) { // read the raw bytes of the stylesheet css, err := ioutil.ReadFile("assets/style.css") if err != nil { if os.IsNotExist(err) { log404(w, r, err) return } log500(w, r, err) return } // Get the mod time for the etag header stat, err := os.Stat("assets/style.css") if err != nil { log.Printf("Couldn't stat CSS file to send ETag header: %v\n", err) } // Sending the sha256 sum of the modtime in hexadecimal for the ETag header etag := fmt.Sprintf("%x", sha256.Sum256([]byte(stat.ModTime().String()))) w.Header().Set("ETag", "\""+etag+"\"") w.Header().Set("Content-Type", cssutf8) n, err := w.Write(css) if err != nil || n == 0 { log500(w, r, err) return } log200(r) }


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