126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"github.com/flosch/pongo2"
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"github.com/zenazn/goji/web"
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)
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type RespType int
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const (
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RespPLAIN RespType = iota
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RespJSON
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RespHTML
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RespAUTO
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)
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func indexHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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err := renderTemplate(Templates["index.html"], pongo2.Context{
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"maxsize": Config.maxSize,
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"expirylist": listExpirationTimes(),
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}, r, w)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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func pasteHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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err := renderTemplate(Templates["paste.html"], pongo2.Context{
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"expirylist": listExpirationTimes(),
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}, r, w)
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if err != nil {
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oopsHandler(c, w, r, RespHTML, "")
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}
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}
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func apiDocHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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err := renderTemplate(Templates["API.html"], pongo2.Context{
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"siteurl": getSiteURL(r),
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}, r, w)
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if err != nil {
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oopsHandler(c, w, r, RespHTML, "")
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}
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}
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func notFoundHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(404)
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err := renderTemplate(Templates["404.html"], pongo2.Context{}, r, w)
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if err != nil {
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oopsHandler(c, w, r, RespHTML, "")
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}
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}
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func oopsHandler(c web.C, w http.ResponseWriter, r *http.Request, rt RespType, msg string) {
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if msg == "" {
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msg = "Oops! Something went wrong..."
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}
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if rt == RespHTML {
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w.WriteHeader(500)
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renderTemplate(Templates["oops.html"], pongo2.Context{"msg": msg}, r, w)
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return
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} else if rt == RespPLAIN {
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w.WriteHeader(500)
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fmt.Fprintf(w, "%s", msg)
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return
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} else if rt == RespJSON {
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js, _ := json.Marshal(map[string]string{
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"error": msg,
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})
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w.Header().Set("Content-Type", "application/json; charset=UTF-8")
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w.WriteHeader(500)
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w.Write(js)
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return
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} else if rt == RespAUTO {
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if strings.EqualFold("application/json", r.Header.Get("Accept")) {
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oopsHandler(c, w, r, RespJSON, msg)
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} else {
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oopsHandler(c, w, r, RespHTML, msg)
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}
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}
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}
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func badRequestHandler(c web.C, w http.ResponseWriter, r *http.Request, rt RespType, msg string) {
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if rt == RespHTML {
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w.WriteHeader(http.StatusBadRequest)
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err := renderTemplate(Templates["400.html"], pongo2.Context{"msg": msg}, r, w)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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return
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} else if rt == RespPLAIN {
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w.WriteHeader(http.StatusBadRequest)
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fmt.Fprintf(w, "%s", msg)
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return
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} else if rt == RespJSON {
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js, _ := json.Marshal(map[string]string{
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"error": msg,
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})
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w.Header().Set("Content-Type", "application/json; charset=UTF-8")
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w.WriteHeader(http.StatusBadRequest)
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w.Write(js)
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return
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} else if rt == RespAUTO {
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if strings.EqualFold("application/json", r.Header.Get("Accept")) {
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badRequestHandler(c, w, r, RespJSON, msg)
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} else {
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badRequestHandler(c, w, r, RespHTML, msg)
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}
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}
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}
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func unauthorizedHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(401)
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err := renderTemplate(Templates["401.html"], pongo2.Context{}, r, w)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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