1 files changed, 0 insertions, 208 deletions
diff --git a/swarm/api/http/error.go b/swarm/api/http/error.go
deleted file mode 100644
index 254a0e8d4..000000000
--- a/swarm/api/http/error.go
+++ /dev/null
@@ -1,208 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-/*
-Show nicely (but simple) formatted HTML error pages (or respond with JSON
-if the appropriate `Accept` header is set)) for the http package.
-*/
-package http
-
-import (
-	"encoding/json"
-	"fmt"
-	"html/template"
-	"net/http"
-	"strings"
-	"time"
-
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/metrics"
-	"github.com/ethereum/go-ethereum/swarm/api"
-	l "github.com/ethereum/go-ethereum/swarm/log"
-)
-
-//templateMap holds a mapping of an HTTP error code to a template
-var templateMap map[int]*template.Template
-var caseErrors []CaseError
-
-//metrics variables
-var (
-	htmlCounter = metrics.NewRegisteredCounter("api.http.errorpage.html.count", nil)
-	jsonCounter = metrics.NewRegisteredCounter("api.http.errorpage.json.count", nil)
-)
-
-//parameters needed for formatting the correct HTML page
-type ResponseParams struct {
-	Msg       string
-	Code      int
-	Timestamp string
-	template  *template.Template
-	Details   template.HTML
-}
-
-//a custom error case struct that would be used to store validators and
-//additional error info to display with client responses.
-type CaseError struct {
-	Validator func(*Request) bool
-	Msg       func(*Request) string
-}
-
-//we init the error handling right on boot time, so lookup and http response is fast
-func init() {
-	initErrHandling()
-}
-
-func initErrHandling() {
-	//pages are saved as strings - get these strings
-	genErrPage := GetGenericErrorPage()
-	notFoundPage := GetNotFoundErrorPage()
-	multipleChoicesPage := GetMultipleChoicesErrorPage()
-	//map the codes to the available pages
-	tnames := map[int]string{
-		0: genErrPage, //default
-		http.StatusBadRequest:          genErrPage,
-		http.StatusNotFound:            notFoundPage,
-		http.StatusMultipleChoices:     multipleChoicesPage,
-		http.StatusInternalServerError: genErrPage,
-	}
-	templateMap = make(map[int]*template.Template)
-	for code, tname := range tnames {
-		//assign formatted HTML to the code
-		templateMap[code] = template.Must(template.New(fmt.Sprintf("%d", code)).Parse(tname))
-	}
-
-	caseErrors = []CaseError{
-		{
-			Validator: func(r *Request) bool { return r.uri != nil && r.uri.Addr != "" && strings.HasPrefix(r.uri.Addr, "0x") },
-			Msg: func(r *Request) string {
-				uriCopy := r.uri
-				uriCopy.Addr = strings.TrimPrefix(uriCopy.Addr, "0x")
-				return fmt.Sprintf(`The requested hash seems to be prefixed with '0x'. You will be redirected to the correct URL within 5 seconds.<br/>
-			Please click <a href='%[1]s'>here</a> if your browser does not redirect you.<script>setTimeout("location.href='%[1]s';",5000);</script>`, "/"+uriCopy.String())
-			},
-		}}
-}
-
-//ValidateCaseErrors is a method that process the request object through certain validators
-//that assert if certain conditions are met for further information to log as an error
-func ValidateCaseErrors(r *Request) string {
-	for _, err := range caseErrors {
-		if err.Validator(r) {
-			return err.Msg(r)
-		}
-	}
-
-	return ""
-}
-
-//ShowMultipeChoices is used when a user requests a resource in a manifest which results
-//in ambiguous results. It returns a HTML page with clickable links of each of the entry
-//in the manifest which fits the request URI ambiguity.
-//For example, if the user requests bzz:/<hash>/read and that manifest contains entries
-//"readme.md" and "readinglist.txt", a HTML page is returned with this two links.
-//This only applies if the manifest has no default entry
-func ShowMultipleChoices(w http.ResponseWriter, req *Request, list api.ManifestList) {
-	msg := ""
-	if list.Entries == nil {
-		Respond(w, req, "Could not resolve", http.StatusInternalServerError)
-		return
-	}
-	//make links relative
-	//requestURI comes with the prefix of the ambiguous path, e.g. "read" for "readme.md" and "readinglist.txt"
-	//to get clickable links, need to remove the ambiguous path, i.e. "read"
-	idx := strings.LastIndex(req.RequestURI, "/")
-	if idx == -1 {
-		Respond(w, req, "Internal Server Error", http.StatusInternalServerError)
-		return
-	}
-	//remove ambiguous part
-	base := req.RequestURI[:idx+1]
-	for _, e := range list.Entries {
-		//create clickable link for each entry
-		msg += "<a href='" + base + e.Path + "'>" + e.Path + "</a><br/>"
-	}
-	Respond(w, req, msg, http.StatusMultipleChoices)
-}
-
-//Respond is used to show an HTML page to a client.
-//If there is an `Accept` header of `application/json`, JSON will be returned instead
-//The function just takes a string message which will be displayed in the error page.
-//The code is used to evaluate which template will be displayed
-//(and return the correct HTTP status code)
-func Respond(w http.ResponseWriter, req *Request, msg string, code int) {
-	additionalMessage := ValidateCaseErrors(req)
-	switch code {
-	case http.StatusInternalServerError:
-		log.Output(msg, log.LvlError, l.CallDepth, "ruid", req.ruid, "code", code)
-	case http.StatusMultipleChoices:
-		log.Output(msg, log.LvlDebug, l.CallDepth, "ruid", req.ruid, "code", code)
-		listURI := api.URI{
-			Scheme: "bzz-list",
-			Addr:   req.uri.Addr,
-			Path:   req.uri.Path,
-		}
-		additionalMessage = fmt.Sprintf(`<a href="/%s">multiple choices</a>`, listURI.String())
-	default:
-		log.Output(msg, log.LvlDebug, l.CallDepth, "ruid", req.ruid, "code", code)
-	}
-
-	if code >= 400 {
-		w.Header().Del("Cache-Control") //avoid sending cache headers for errors!
-		w.Header().Del("ETag")
-	}
-
-	respond(w, &req.Request, &ResponseParams{
-		Code:      code,
-		Msg:       msg,
-		Details:   template.HTML(additionalMessage),
-		Timestamp: time.Now().Format(time.RFC1123),
-		template:  getTemplate(code),
-	})
-}
-
-//evaluate if client accepts html or json response
-func respond(w http.ResponseWriter, r *http.Request, params *ResponseParams) {
-	w.WriteHeader(params.Code)
-	if r.Header.Get("Accept") == "application/json" {
-		respondJSON(w, params)
-	} else {
-		respondHTML(w, params)
-	}
-}
-
-//return a HTML page
-func respondHTML(w http.ResponseWriter, params *ResponseParams) {
-	htmlCounter.Inc(1)
-	err := params.template.Execute(w, params)
-	if err != nil {
-		log.Error(err.Error())
-	}
-}
-
-//return JSON
-func respondJSON(w http.ResponseWriter, params *ResponseParams) {
-	jsonCounter.Inc(1)
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(params)
-}
-
-//get the HTML template for a given code
-func getTemplate(code int) *template.Template {
-	if val, tmpl := templateMap[code]; tmpl {
-		return val
-	}
-	return templateMap[0]
-}