diff --git a/cmd/swarm/config.go b/cmd/swarm/config.go index ce2acdcc97..ff085fd94f 100644 --- a/cmd/swarm/config.go +++ b/cmd/swarm/config.go @@ -68,6 +68,7 @@ const ( SWARM_ENV_SWAP_API = "SWARM_SWAP_API" SWARM_ENV_SYNC_DISABLE = "SWARM_SYNC_DISABLE" SWARM_ENV_SYNC_UPDATE_DELAY = "SWARM_ENV_SYNC_UPDATE_DELAY" + SWARM_ENV_LIGHT_NODE_ENABLE = "SWARM_LIGHT_NODE_ENABLE" SWARM_ENV_DELIVERY_SKIP_CHECK = "SWARM_DELIVERY_SKIP_CHECK" SWARM_ENV_ENS_API = "SWARM_ENS_API" SWARM_ENV_ENS_ADDR = "SWARM_ENS_ADDR" @@ -204,6 +205,10 @@ func cmdLineOverride(currentConfig *bzzapi.Config, ctx *cli.Context) *bzzapi.Con currentConfig.SyncUpdateDelay = d } + if ctx.GlobalIsSet(SwarmLightNodeEnabled.Name) { + currentConfig.LightNodeEnabled = true + } + if ctx.GlobalIsSet(SwarmDeliverySkipCheckFlag.Name) { currentConfig.DeliverySkipCheck = true } @@ -301,6 +306,12 @@ func envVarsOverride(currentConfig *bzzapi.Config) (config *bzzapi.Config) { } } + if lne := os.Getenv(SWARM_ENV_LIGHT_NODE_ENABLE); lne != "" { + if lightnode, err := strconv.ParseBool(lne); err != nil { + currentConfig.LightNodeEnabled = lightnode + } + } + if swapapi := os.Getenv(SWARM_ENV_SWAP_API); swapapi != "" { currentConfig.SwapAPI = swapapi } diff --git a/cmd/swarm/main.go b/cmd/swarm/main.go index 9185af980f..258f24d320 100644 --- a/cmd/swarm/main.go +++ b/cmd/swarm/main.go @@ -123,6 +123,11 @@ var ( Usage: "Duration for sync subscriptions update after no new peers are added (default 15s)", EnvVar: SWARM_ENV_SYNC_UPDATE_DELAY, } + SwarmLightNodeEnabled = cli.BoolFlag{ + Name: "lightnode", + Usage: "Enable Swarm LightNode (default false)", + EnvVar: SWARM_ENV_LIGHT_NODE_ENABLE, + } SwarmDeliverySkipCheckFlag = cli.BoolFlag{ Name: "delivery-skip-check", Usage: "Skip chunk delivery check (default false)", @@ -464,6 +469,7 @@ pv(1) tool to get a progress bar: SwarmSwapAPIFlag, SwarmSyncDisabledFlag, SwarmSyncUpdateDelay, + SwarmLightNodeEnabled, SwarmDeliverySkipCheckFlag, SwarmListenAddrFlag, SwarmPortFlag, diff --git a/p2p/discover/table.go b/p2p/discover/table.go index 8803daa56e..0a554bbeb4 100644 --- a/p2p/discover/table.go +++ b/p2p/discover/table.go @@ -160,7 +160,7 @@ func (tab *Table) ReadRandomNodes(buf []*Node) (n int) { // Find all non-empty buckets and get a fresh slice of their entries. var buckets [][]*Node - for _, b := range tab.buckets { + for _, b := range &tab.buckets { if len(b.entries) > 0 { buckets = append(buckets, b.entries[:]) } @@ -508,7 +508,7 @@ func (tab *Table) copyLiveNodes() { defer tab.mutex.Unlock() now := time.Now() - for _, b := range tab.buckets { + for _, b := range &tab.buckets { for _, n := range b.entries { if now.Sub(n.addedAt) >= seedMinTableTime { tab.db.updateNode(n) @@ -524,7 +524,7 @@ func (tab *Table) closest(target common.Hash, nresults int) *nodesByDistance { // obviously correct. I believe that tree-based buckets would make // this easier to implement efficiently. close := &nodesByDistance{target: target} - for _, b := range tab.buckets { + for _, b := range &tab.buckets { for _, n := range b.entries { close.push(n, nresults) } @@ -533,7 +533,7 @@ func (tab *Table) closest(target common.Hash, nresults int) *nodesByDistance { } func (tab *Table) len() (n int) { - for _, b := range tab.buckets { + for _, b := range &tab.buckets { n += len(b.entries) } return n diff --git a/p2p/discv5/net_test.go b/p2p/discv5/net_test.go index 001d193cc9..1a8137673d 100644 --- a/p2p/discv5/net_test.go +++ b/p2p/discv5/net_test.go @@ -355,7 +355,7 @@ func (tn *preminedTestnet) mine(target NodeID) { fmt.Printf(" target: %#v,\n", tn.target) fmt.Printf(" targetSha: %#v,\n", tn.targetSha) fmt.Printf(" dists: [%d][]NodeID{\n", len(tn.dists)) - for ld, ns := range tn.dists { + for ld, ns := range &tn.dists { if len(ns) == 0 { continue } diff --git a/p2p/discv5/table.go b/p2p/discv5/table.go index c8d234b936..c793be5082 100644 --- a/p2p/discv5/table.go +++ b/p2p/discv5/table.go @@ -81,7 +81,7 @@ func (tab *Table) chooseBucketRefreshTarget() common.Hash { if printTable { fmt.Println() } - for i, b := range tab.buckets { + for i, b := range &tab.buckets { entries += len(b.entries) if printTable { for _, e := range b.entries { @@ -93,7 +93,7 @@ func (tab *Table) chooseBucketRefreshTarget() common.Hash { prefix := binary.BigEndian.Uint64(tab.self.sha[0:8]) dist := ^uint64(0) entry := int(randUint(uint32(entries + 1))) - for _, b := range tab.buckets { + for _, b := range &tab.buckets { if entry < len(b.entries) { n := b.entries[entry] dist = binary.BigEndian.Uint64(n.sha[0:8]) ^ prefix @@ -121,7 +121,7 @@ func (tab *Table) readRandomNodes(buf []*Node) (n int) { // TODO: tree-based buckets would help here // Find all non-empty buckets and get a fresh slice of their entries. var buckets [][]*Node - for _, b := range tab.buckets { + for _, b := range &tab.buckets { if len(b.entries) > 0 { buckets = append(buckets, b.entries[:]) } @@ -175,7 +175,7 @@ func (tab *Table) closest(target common.Hash, nresults int) *nodesByDistance { // obviously correct. I believe that tree-based buckets would make // this easier to implement efficiently. close := &nodesByDistance{target: target} - for _, b := range tab.buckets { + for _, b := range &tab.buckets { for _, n := range b.entries { close.push(n, nresults) } diff --git a/swarm/README.md b/swarm/README.md index f2d1890434..e81963217f 100644 --- a/swarm/README.md +++ b/swarm/README.md @@ -7,6 +7,21 @@ Swarm is a distributed storage platform and content distribution service, a nati [![Travis](https://travis-ci.org/ethereum/go-ethereum.svg?branch=master)](https://travis-ci.org/ethereum/go-ethereum) [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/ethersphere/orange-lounge?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) +## Table of Contents + +* [Building the source](#building-the-source) +* [Running Swarm](#running-swarm) +* [Documentation](#documentation) +* [Developers Guide](#developers-guide) + * [Go Environment](#development-environment) + * [Vendored Dependencies](#vendored-dependencies) + * [Testing](#testing) + * [Profiling Swarm](#profiling-swarm) + * [Metrics and Instrumentation in Swarm](#metrics-and-instrumentation-in-swarm) +* [Public Gateways](#public-gateways) +* [Swarm Dapps](#swarm-dapps) +* [Contributing](#contributing) +* [License](#license) ## Building the source @@ -16,13 +31,187 @@ Building Swarm requires Go (version 1.10 or later). go install github.com/ethereum/go-ethereum/cmd/swarm +## Running Swarm + +Going through all the possible command line flags is out of scope here, but we've enumerated a few common parameter combos to get you up to speed quickly on how you can run your own Swarm node. + +To run Swarm you need an Ethereum account. You can create a new account by running the following command: + + geth account new + +You will be prompted for a password: + + Your new account is locked with a password. Please give a password. Do not forget this password. + Passphrase: + Repeat passphrase: + +Once you have specified the password, the output will be the Ethereum address representing that account. For example: + + Address: {2f1cd699b0bf461dcfbf0098ad8f5587b038f0f1} + +Using this account, connect to Swarm with + + swarm --bzzaccount + + # in our example + + swarm --bzzaccount 2f1cd699b0bf461dcfbf0098ad8f5587b038f0f1 + + +### Verifying that your local Swarm node is running + +When running, Swarm is accessible through an HTTP API on port 8500. + +Confirm that it is up and running by pointing your browser to http://localhost:8500 + +### Ethereum Name Service resolution + +The Ethereum Name Service is the Ethereum equivalent of DNS in the classic web. In order to use ENS to resolve names to Swarm content hashes (e.g. `bzz://theswarm.eth`), `swarm` has to connect to a `geth` instance, which is synced with the Ethereum mainnet. This is done using the `--ens-api` flag. + + swarm --bzzaccount \ + --ens-api '$HOME/.ethereum/geth.ipc' + + # in our example + + swarm --bzzaccount 2f1cd699b0bf461dcfbf0098ad8f5587b038f0f1 \ + --ens-api '$HOME/.ethereum/geth.ipc' + +For more information on usage, features or command line flags, please consult the Documentation. + ## Documentation Swarm documentation can be found at [https://swarm-guide.readthedocs.io](https://swarm-guide.readthedocs.io). -## Contribution +## Developers Guide + +### Go Environment + +We assume that you have Go v1.10 installed, and `GOPATH` is set. + +You must have your working copy under `$GOPATH/src/github.com/ethereum/go-ethereum`. + +Most likely you will be working from your fork of `go-ethereum`, let's say from `github.com/nirname/go-ethereum`. Clone or move your fork into the right place: + +``` +git clone git@github.com:nirname/go-ethereum.git $GOPATH/src/github.com/ethereum/go-ethereum +``` + + +### Vendored Dependencies + +All dependencies are tracked in the `vendor` directory. We use `govendor` to manage them. + +If you want to add a new dependency, run `govendor fetch `, then commit the result. + +If you want to update all dependencies to their latest upstream version, run `govendor fetch +v`. + + +### Testing + +This section explains how to run unit, integration, and end-to-end tests in your development sandbox. + +Testing one library: + +``` +go test -v -cpu 4 ./swarm/api +``` + +Note: Using options -cpu (number of cores allowed) and -v (logging even if no error) is recommended. + +Testing only some methods: + +``` +go test -v -cpu 4 ./eth -run TestMethod +``` + +Note: here all tests with prefix TestMethod will be run, so if you got TestMethod, TestMethod1, then both! + +Running benchmarks: + +``` +go test -v -cpu 4 -bench . -run BenchmarkJoin +``` + + +### Profiling Swarm + +This section explains how to add Go `pprof` profiler to Swarm + +If `swarm` is started with the `--pprof` option, a debugging HTTP server is made available on port 6060. + +You can bring up http://localhost:6060/debug/pprof to see the heap, running routines etc. + +By clicking full goroutine stack dump (clicking http://localhost:6060/debug/pprof/goroutine?debug=2) you can generate trace that is useful for debugging. + + +### Metrics and Instrumentation in Swarm + +This section explains how to visualize and use existing Swarm metrics and how to instrument Swarm with a new metric. + +Swarm metrics system is based on the `go-metrics` library. + +The most common types of measurements we use in Swarm are `counters` and `resetting timers`. Consult the `go-metrics` documentation for full reference of available types. + +``` +# incrementing a counter +metrics.GetOrRegisterCounter("network.stream.received_chunks", nil).Inc(1) + +# measuring latency with a resetting timer +start := time.Now() +t := metrics.GetOrRegisterResettingTimer("http.request.GET.time"), nil) +... +t := UpdateSince(start) +``` + +#### Visualizing metrics + +Swarm supports an InfluxDB exporter. Consult the help section to learn about the command line arguments used to configure it: + +``` +swarm --help | grep metrics +``` + +We use Grafana and InfluxDB to visualise metrics reported by Swarm. We keep our Grafana dashboards under version control at `./swarm/grafana_dashboards`. You could use them or design your own. + +We have built a tool to help with automatic start of Grafana and InfluxDB and provisioning of dashboards at https://github.com/nonsense/stateth , which requires that you have Docker installed. + +Once you have `stateth` installed, and you have Docker running locally, you have to: + +1. Run `stateth` and keep it running in the background +``` +stateth --rm --grafana-dashboards-folder $GOPATH/src/github.com/ethereum/go-ethereum/swarm/grafana_dashboards --influxdb-database metrics +``` + +2. Run `swarm` with at least the following params: +``` +--metrics \ +--metrics.influxdb.export \ +--metrics.influxdb.endpoint "http://localhost:8086" \ +--metrics.influxdb.username "admin" \ +--metrics.influxdb.password "admin" \ +--metrics.influxdb.database "metrics" +``` + +3. Open Grafana at http://localhost:3000 and view the dashboards to gain insight into Swarm. + + +## Public Gateways + +Swarm offers a local HTTP proxy API that Dapps can use to interact with Swarm. The Ethereum Foundation is hosting a public gateway, which allows free access so that people can try Swarm without running their own node. + +The Swarm public gateways are temporary and users should not rely on their existence for production services. + +The Swarm public gateway can be found at https://swarm-gateways.net and is always running the latest `stable` Swarm release. + +## Swarm Dapps + +You can find a few reference Swarm decentralised applications at: https://swarm-gateways.net/bzz:/swarmapps.eth + +Their source code can be found at: https://github.com/ethersphere/swarm-dapps + +## Contributing Thank you for considering to help out with the source code! We welcome contributions from anyone on the internet, and are grateful for even the smallest of fixes! diff --git a/swarm/api/api.go b/swarm/api/api.go index 05a38b5e1e..ad4bd7dcb1 100644 --- a/swarm/api/api.go +++ b/swarm/api/api.go @@ -339,8 +339,7 @@ func (a *API) Get(ctx context.Context, manifestAddr storage.Address, path string if err != nil { apiGetNotFound.Inc(1) status = http.StatusNotFound - log.Warn(fmt.Sprintf("loadManifestTrie error: %v", err)) - return + return nil, "", http.StatusNotFound, nil, err } log.Debug("trie getting entry", "key", manifestAddr, "path", path) diff --git a/swarm/api/config.go b/swarm/api/config.go index 939285e09c..bdfffdd05f 100644 --- a/swarm/api/config.go +++ b/swarm/api/config.go @@ -63,6 +63,7 @@ type Config struct { SwapEnabled bool SyncEnabled bool DeliverySkipCheck bool + LightNodeEnabled bool SyncUpdateDelay time.Duration SwapAPI string Cors string diff --git a/swarm/api/http/error.go b/swarm/api/http/error.go deleted file mode 100644 index 254a0e8d48..0000000000 --- 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 . - -/* -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.
- Please click here if your browser does not redirect you.`, "/"+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://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 += "" + e.Path + "
" - } - 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(`multiple choices`, 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] -} diff --git a/swarm/api/http/error_templates.go b/swarm/api/http/error_templates.go deleted file mode 100644 index 78f24065a9..0000000000 --- a/swarm/api/http/error_templates.go +++ /dev/null @@ -1,559 +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 . - -/* -We use html templates to handle simple but as informative as possible error pages. - -To eliminate circular dependency in case of an error, we don't store error pages on swarm. -We can't save the error pages as html files on disk, or when deploying compiled binaries -they won't be found. - -For this reason we resort to save the HTML error pages as strings, which then can be -parsed by Go's html/template package -*/ -package http - -//This returns the HTML for generic errors -func GetGenericErrorPage() string { - page := ` - - - - - - - - - - - Swarm::HTTP Error Page - - - - -
- -
-
- -
-
-

There was a problem serving the requested page

-
-
-
{{.Timestamp}}
-
-
- - -
- - - - - - - - - - - - - - - - - - - - - - - -
- Hmmmmm....Swarm was not able to serve your request! -
- Error message: -
- {{.Msg}} -
- {{.Details}} -
- Error code: -
- {{.Code}} -
-
- - -
-

- Swarm: Serverless Hosting Incentivised Peer-To-Peer Storage And Content Distribution
- Swarm -

-
- - -
- - - -` - return page -} - -//This returns the HTML for a 404 Not Found error -func GetNotFoundErrorPage() string { - page := ` - - - - - - - - - - - Swarm::404 HTTP Not Found - - - - - - -
-
- -
-
-

Resource Not Found

-
-
-
{{.Timestamp}}
-
-
- - -
- - - - - - - - - - - - - - - - - - - - - -
- Unfortunately, the resource you were trying to access could not be found on swarm. -
- {{.Msg}} -
- {{.Details}} -
- Error code: -
- {{.Code}} -
-
- - - -
-

- Swarm: Serverless Hosting Incentivised peer-to-peer Storage and Content Distribution -

-
- - - - -` - return page -} - -//This returns the HTML for a page listing disambiguation options -//i.e. if user requested bzz://read and the manifest contains "readme.md" and "readinglist.txt", -//this page is returned with a clickable list the existing disambiguation links in the manifest -func GetMultipleChoicesErrorPage() string { - page := ` - - - - - - - - - - - Swarm::HTTP Disambiguation Page - - - - - - -
-
- -
-
-

Swarm: disambiguation

-
-
-
{{.Timestamp}}
-
-
- - -
- - - - - - - - - - - - - -
- Your request may refer to {{ .Details}}. -
- Error code: -
- {{.Code}} -
-
- - - -
-

- Swarm: Serverless Hosting Incentivised peer-to-peer Storage and Content Distribution -

-
- - - - -` - return page -} diff --git a/swarm/api/http/middleware.go b/swarm/api/http/middleware.go new file mode 100644 index 0000000000..d338a782ce --- /dev/null +++ b/swarm/api/http/middleware.go @@ -0,0 +1,95 @@ +package http + +import ( + "fmt" + "net/http" + "runtime/debug" + "strings" + + "github.com/ethereum/go-ethereum/metrics" + "github.com/ethereum/go-ethereum/swarm/api" + "github.com/ethereum/go-ethereum/swarm/log" + "github.com/ethereum/go-ethereum/swarm/spancontext" + "github.com/pborman/uuid" +) + +// Adapt chains h (main request handler) main handler to adapters (middleware handlers) +// Please note that the order of execution for `adapters` is FIFO (adapters[0] will be executed first) +func Adapt(h http.Handler, adapters ...Adapter) http.Handler { + for i := range adapters { + adapter := adapters[len(adapters)-1-i] + h = adapter(h) + } + return h +} + +type Adapter func(http.Handler) http.Handler + +func SetRequestID(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + r = r.WithContext(SetRUID(r.Context(), uuid.New()[:8])) + metrics.GetOrRegisterCounter(fmt.Sprintf("http.request.%s", r.Method), nil).Inc(1) + log.Info("created ruid for request", "ruid", GetRUID(r.Context()), "method", r.Method, "url", r.RequestURI) + + h.ServeHTTP(w, r) + }) +} + +func ParseURI(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + uri, err := api.Parse(strings.TrimLeft(r.URL.Path, "/")) + if err != nil { + w.WriteHeader(http.StatusBadRequest) + RespondError(w, r, fmt.Sprintf("invalid URI %q", r.URL.Path), http.StatusBadRequest) + return + } + if uri.Addr != "" && strings.HasPrefix(uri.Addr, "0x") { + uri.Addr = strings.TrimPrefix(uri.Addr, "0x") + + msg := fmt.Sprintf(`The requested hash seems to be prefixed with '0x'. You will be redirected to the correct URL within 5 seconds.
+ Please click here if your browser does not redirect you within 5 seconds.`, "/"+uri.String()) + w.WriteHeader(http.StatusNotFound) + w.Write([]byte(msg)) + return + } + + ctx := r.Context() + r = r.WithContext(SetURI(ctx, uri)) + log.Debug("parsed request path", "ruid", GetRUID(r.Context()), "method", r.Method, "uri.Addr", uri.Addr, "uri.Path", uri.Path, "uri.Scheme", uri.Scheme) + + h.ServeHTTP(w, r) + }) +} + +func InitLoggingResponseWriter(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + writer := newLoggingResponseWriter(w) + + h.ServeHTTP(writer, r) + }) +} + +func InstrumentOpenTracing(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + uri := GetURI(r.Context()) + if uri == nil || r.Method == "" || (uri != nil && uri.Scheme == "") { + h.ServeHTTP(w, r) // soft fail + return + } + spanName := fmt.Sprintf("http.%s.%s", r.Method, uri.Scheme) + ctx, sp := spancontext.StartSpan(r.Context(), spanName) + defer sp.Finish() + h.ServeHTTP(w, r.WithContext(ctx)) + }) +} + +func RecoverPanic(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + defer func() { + if err := recover(); err != nil { + log.Error("panic recovery!", "stack trace", debug.Stack(), "url", r.URL.String(), "headers", r.Header) + } + }() + h.ServeHTTP(w, r) + }) +} diff --git a/swarm/api/http/response.go b/swarm/api/http/response.go new file mode 100644 index 0000000000..9f4788d35e --- /dev/null +++ b/swarm/api/http/response.go @@ -0,0 +1,132 @@ +// 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 . + +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" +) + +var ( + htmlCounter = metrics.NewRegisteredCounter("api.http.errorpage.html.count", nil) + jsonCounter = metrics.NewRegisteredCounter("api.http.errorpage.json.count", nil) + plaintextCounter = metrics.NewRegisteredCounter("api.http.errorpage.plaintext.count", nil) +) + +type ResponseParams struct { + Msg template.HTML + Code int + Timestamp string + template *template.Template + Details template.HTML +} + +// ShowMultipleChoices 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://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, r *http.Request, list api.ManifestList) { + log.Debug("ShowMultipleChoices", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context())) + msg := "" + if list.Entries == nil { + RespondError(w, r, "Could not resolve", http.StatusInternalServerError) + return + } + requestUri := strings.TrimPrefix(r.RequestURI, "/") + + uri, err := api.Parse(requestUri) + if err != nil { + RespondError(w, r, "Bad Request", http.StatusBadRequest) + } + + uri.Scheme = "bzz-list" + msg += fmt.Sprintf("Disambiguation:
Your request may refer to multiple choices.
Click here if your browser does not redirect you within 5 seconds.
", "/"+uri.String()) + RespondTemplate(w, r, "error", msg, http.StatusMultipleChoices) +} + +func RespondTemplate(w http.ResponseWriter, r *http.Request, templateName, msg string, code int) { + log.Debug("RespondTemplate", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context())) + respond(w, r, &ResponseParams{ + Code: code, + Msg: template.HTML(msg), + Timestamp: time.Now().Format(time.RFC1123), + template: TemplatesMap[templateName], + }) +} + +func RespondError(w http.ResponseWriter, r *http.Request, msg string, code int) { + log.Debug("RespondError", "ruid", GetRUID(r.Context()), "uri", GetURI(r.Context())) + RespondTemplate(w, r, "error", msg, code) +} + +func respond(w http.ResponseWriter, r *http.Request, params *ResponseParams) { + w.WriteHeader(params.Code) + + if params.Code >= 400 { + w.Header().Del("Cache-Control") //avoid sending cache headers for errors! + w.Header().Del("ETag") + } + + acceptHeader := r.Header.Get("Accept") + // this cannot be in a switch form since an Accept header can be in the form of "Accept: */*, text/html, application/xhtml+xml, application/xml;q=0.9, */*;q=0.8" + if strings.Contains(acceptHeader, "application/json") { + if err := respondJSON(w, r, params); err != nil { + RespondError(w, r, "Internal server error", http.StatusInternalServerError) + } + } else if strings.Contains(acceptHeader, "text/html") { + respondHTML(w, r, params) + } else { + respondPlaintext(w, r, params) //returns nice errors for curl + } +} + +func respondHTML(w http.ResponseWriter, r *http.Request, params *ResponseParams) { + htmlCounter.Inc(1) + log.Debug("respondHTML", "ruid", GetRUID(r.Context())) + err := params.template.Execute(w, params) + if err != nil { + log.Error(err.Error()) + } +} + +func respondJSON(w http.ResponseWriter, r *http.Request, params *ResponseParams) error { + jsonCounter.Inc(1) + log.Debug("respondJSON", "ruid", GetRUID(r.Context())) + w.Header().Set("Content-Type", "application/json") + return json.NewEncoder(w).Encode(params) +} + +func respondPlaintext(w http.ResponseWriter, r *http.Request, params *ResponseParams) error { + plaintextCounter.Inc(1) + log.Debug("respondPlaintext", "ruid", GetRUID(r.Context())) + w.Header().Set("Content-Type", "text/plain") + strToWrite := "Code: " + fmt.Sprintf("%d", params.Code) + "\n" + strToWrite += "Message: " + string(params.Msg) + "\n" + strToWrite += "Timestamp: " + params.Timestamp + "\n" + _, err := w.Write([]byte(strToWrite)) + return err +} diff --git a/swarm/api/http/error_test.go b/swarm/api/http/response_test.go similarity index 98% rename from swarm/api/http/error_test.go rename to swarm/api/http/response_test.go index 990961f60e..2e24bda6d1 100644 --- a/swarm/api/http/error_test.go +++ b/swarm/api/http/response_test.go @@ -44,7 +44,7 @@ func TestError(t *testing.T) { defer resp.Body.Close() respbody, err = ioutil.ReadAll(resp.Body) - if resp.StatusCode != 400 && !strings.Contains(string(respbody), "Invalid URI "/this_should_fail_as_no_bzz_protocol_present": unknown scheme") { + if resp.StatusCode != 404 && !strings.Contains(string(respbody), "Invalid URI "/this_should_fail_as_no_bzz_protocol_present": unknown scheme") { t.Fatalf("Response body does not match, expected: %v, to contain: %v; received code %d, expected code: %d", string(respbody), "Invalid bzz URI: unknown scheme", 400, resp.StatusCode) } diff --git a/swarm/api/http/sctx.go b/swarm/api/http/sctx.go new file mode 100644 index 0000000000..431e117354 --- /dev/null +++ b/swarm/api/http/sctx.go @@ -0,0 +1,38 @@ +package http + +import ( + "context" + + "github.com/ethereum/go-ethereum/swarm/api" + "github.com/ethereum/go-ethereum/swarm/sctx" +) + +type contextKey int + +const ( + uriKey contextKey = iota +) + +func GetRUID(ctx context.Context) string { + v, ok := ctx.Value(sctx.HTTPRequestIDKey).(string) + if ok { + return v + } + return "xxxxxxxx" +} + +func SetRUID(ctx context.Context, ruid string) context.Context { + return context.WithValue(ctx, sctx.HTTPRequestIDKey, ruid) +} + +func GetURI(ctx context.Context) *api.URI { + v, ok := ctx.Value(uriKey).(*api.URI) + if ok { + return v + } + return nil +} + +func SetURI(ctx context.Context, uri *api.URI) context.Context { + return context.WithValue(ctx, uriKey, uri) +} diff --git a/swarm/api/http/server.go b/swarm/api/http/server.go index 3122654b6c..bd6949de6c 100644 --- a/swarm/api/http/server.go +++ b/swarm/api/http/server.go @@ -41,12 +41,9 @@ import ( "github.com/ethereum/go-ethereum/metrics" "github.com/ethereum/go-ethereum/swarm/api" "github.com/ethereum/go-ethereum/swarm/log" - "github.com/ethereum/go-ethereum/swarm/spancontext" "github.com/ethereum/go-ethereum/swarm/storage" "github.com/ethereum/go-ethereum/swarm/storage/mru" - opentracing "github.com/opentracing/opentracing-go" - "github.com/pborman/uuid" "github.com/rs/cors" ) @@ -72,6 +69,17 @@ var ( getListFail = metrics.NewRegisteredCounter("api.http.get.list.fail", nil) ) +type methodHandler map[string]http.Handler + +func (m methodHandler) ServeHTTP(rw http.ResponseWriter, r *http.Request) { + v, ok := m[r.Method] + if ok { + v.ServeHTTP(rw, r) + return + } + rw.WriteHeader(http.StatusMethodNotAllowed) +} + func NewServer(api *api.API, corsString string) *Server { var allowedOrigins []string for _, domain := range strings.Split(corsString, ",") { @@ -84,20 +92,79 @@ func NewServer(api *api.API, corsString string) *Server { AllowedHeaders: []string{"*"}, }) - mux := http.NewServeMux() server := &Server{api: api} - mux.HandleFunc("/bzz:/", server.WrapHandler(true, server.HandleBzz)) - mux.HandleFunc("/bzz-raw:/", server.WrapHandler(true, server.HandleBzzRaw)) - mux.HandleFunc("/bzz-immutable:/", server.WrapHandler(true, server.HandleBzzImmutable)) - mux.HandleFunc("/bzz-hash:/", server.WrapHandler(true, server.HandleBzzHash)) - mux.HandleFunc("/bzz-list:/", server.WrapHandler(true, server.HandleBzzList)) - mux.HandleFunc("/bzz-resource:/", server.WrapHandler(true, server.HandleBzzResource)) - mux.HandleFunc("/", server.WrapHandler(false, server.HandleRootPaths)) - mux.HandleFunc("/robots.txt", server.WrapHandler(false, server.HandleRootPaths)) - mux.HandleFunc("/favicon.ico", server.WrapHandler(false, server.HandleRootPaths)) + defaultMiddlewares := []Adapter{ + RecoverPanic, + SetRequestID, + InitLoggingResponseWriter, + ParseURI, + InstrumentOpenTracing, + } + mux := http.NewServeMux() + mux.Handle("/bzz:/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleBzzGet), + defaultMiddlewares..., + ), + "POST": Adapt( + http.HandlerFunc(server.HandlePostFiles), + defaultMiddlewares..., + ), + "DELETE": Adapt( + http.HandlerFunc(server.HandleDelete), + defaultMiddlewares..., + ), + }) + mux.Handle("/bzz-raw:/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleGet), + defaultMiddlewares..., + ), + "POST": Adapt( + http.HandlerFunc(server.HandlePostRaw), + defaultMiddlewares..., + ), + }) + mux.Handle("/bzz-immutable:/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleGet), + defaultMiddlewares..., + ), + }) + mux.Handle("/bzz-hash:/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleGet), + defaultMiddlewares..., + ), + }) + mux.Handle("/bzz-list:/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleGetList), + defaultMiddlewares..., + ), + }) + mux.Handle("/bzz-resource:/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleGetResource), + defaultMiddlewares..., + ), + "POST": Adapt( + http.HandlerFunc(server.HandlePostResource), + defaultMiddlewares..., + ), + }) + + mux.Handle("/", methodHandler{ + "GET": Adapt( + http.HandlerFunc(server.HandleRootPaths), + SetRequestID, + InitLoggingResponseWriter, + ), + }) server.Handler = c.Handler(mux) + return server } @@ -105,139 +172,6 @@ func (s *Server) ListenAndServe(addr string) error { return http.ListenAndServe(addr, s) } -func (s *Server) HandleRootPaths(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - if r.RequestURI == "/" { - if strings.Contains(r.Header.Get("Accept"), "text/html") { - err := landingPageTemplate.Execute(w, nil) - if err != nil { - log.Error(fmt.Sprintf("error rendering landing page: %s", err)) - } - return - } - if strings.Contains(r.Header.Get("Accept"), "application/json") { - w.Header().Set("Content-Type", "application/json") - w.WriteHeader(http.StatusOK) - json.NewEncoder(w).Encode("Welcome to Swarm!") - return - } - } - - if r.URL.Path == "/robots.txt" { - w.Header().Set("Last-Modified", time.Now().Format(http.TimeFormat)) - fmt.Fprintf(w, "User-agent: *\nDisallow: /") - return - } - Respond(w, r, "Bad Request", http.StatusBadRequest) - default: - Respond(w, r, "Not Found", http.StatusNotFound) - } -} - -func (s *Server) HandleBzz(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - log.Debug("handleGetBzz") - if r.Header.Get("Accept") == "application/x-tar" { - reader, err := s.api.GetDirectoryTar(r.Context(), r.uri) - if err != nil { - Respond(w, r, fmt.Sprintf("Had an error building the tarball: %v", err), http.StatusInternalServerError) - } - defer reader.Close() - - w.Header().Set("Content-Type", "application/x-tar") - w.WriteHeader(http.StatusOK) - io.Copy(w, reader) - return - } - s.HandleGetFile(w, r) - case http.MethodPost: - log.Debug("handlePostFiles") - s.HandlePostFiles(w, r) - case http.MethodDelete: - log.Debug("handleBzzDelete") - s.HandleDelete(w, r) - default: - Respond(w, r, "Method not allowed", http.StatusMethodNotAllowed) - } -} -func (s *Server) HandleBzzRaw(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - log.Debug("handleGetRaw") - s.HandleGet(w, r) - case http.MethodPost: - log.Debug("handlePostRaw") - s.HandlePostRaw(w, r) - default: - Respond(w, r, "Method not allowed", http.StatusMethodNotAllowed) - } -} -func (s *Server) HandleBzzImmutable(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - log.Debug("handleGetHash") - s.HandleGetList(w, r) - default: - Respond(w, r, "Method not allowed", http.StatusMethodNotAllowed) - } -} -func (s *Server) HandleBzzHash(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - log.Debug("handleGetHash") - s.HandleGet(w, r) - default: - Respond(w, r, "Method not allowed", http.StatusMethodNotAllowed) - } -} -func (s *Server) HandleBzzList(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - log.Debug("handleGetHash") - s.HandleGetList(w, r) - default: - Respond(w, r, "Method not allowed", http.StatusMethodNotAllowed) - } -} -func (s *Server) HandleBzzResource(w http.ResponseWriter, r *Request) { - switch r.Method { - case http.MethodGet: - log.Debug("handleGetResource") - s.HandleGetResource(w, r) - case http.MethodPost: - log.Debug("handlePostResource") - s.HandlePostResource(w, r) - default: - Respond(w, r, "Method not allowed", http.StatusMethodNotAllowed) - } -} -func (s *Server) WrapHandler(parseBzzUri bool, h func(http.ResponseWriter, *Request)) http.HandlerFunc { - return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { - defer metrics.GetOrRegisterResettingTimer(fmt.Sprintf("http.request.%s.time", r.Method), nil).UpdateSince(time.Now()) - req := &Request{Request: *r, ruid: uuid.New()[:8]} - metrics.GetOrRegisterCounter(fmt.Sprintf("http.request.%s", r.Method), nil).Inc(1) - log.Info("serving request", "ruid", req.ruid, "method", r.Method, "url", r.RequestURI) - - // wrapping the ResponseWriter, so that we get the response code set by http.ServeContent - w := newLoggingResponseWriter(rw) - if parseBzzUri { - uri, err := api.Parse(strings.TrimLeft(r.URL.Path, "/")) - if err != nil { - Respond(w, req, fmt.Sprintf("invalid URI %q", r.URL.Path), http.StatusBadRequest) - return - } - req.uri = uri - - log.Debug("parsed request path", "ruid", req.ruid, "method", req.Method, "uri.Addr", req.uri.Addr, "uri.Path", req.uri.Path, "uri.Scheme", req.uri.Scheme) - } - - h(w, req) // call original - log.Info("served response", "ruid", req.ruid, "code", w.statusCode) - }) -} - // browser API for registering bzz url scheme handlers: // https://developer.mozilla.org/en/docs/Web-based_protocol_handlers // electron (chromium) api for registering bzz url scheme handlers: @@ -247,59 +181,81 @@ type Server struct { api *api.API } -// Request wraps http.Request and also includes the parsed bzz URI -type Request struct { - http.Request +func (s *Server) HandleBzzGet(w http.ResponseWriter, r *http.Request) { + log.Debug("handleBzzGet", "ruid", GetRUID(r.Context())) + if r.Header.Get("Accept") == "application/x-tar" { + uri := GetURI(r.Context()) + reader, err := s.api.GetDirectoryTar(r.Context(), uri) + if err != nil { + RespondError(w, r, fmt.Sprintf("Had an error building the tarball: %v", err), http.StatusInternalServerError) + } + defer reader.Close() - uri *api.URI - ruid string // request unique id + w.Header().Set("Content-Type", "application/x-tar") + w.WriteHeader(http.StatusOK) + io.Copy(w, reader) + return + } + + s.HandleGetFile(w, r) +} + +func (s *Server) HandleRootPaths(w http.ResponseWriter, r *http.Request) { + switch r.RequestURI { + case "/": + RespondTemplate(w, r, "landing-page", "Swarm: Please request a valid ENS or swarm hash with the appropriate bzz scheme", 200) + return + case "/robots.txt": + w.Header().Set("Last-Modified", time.Now().Format(http.TimeFormat)) + fmt.Fprintf(w, "User-agent: *\nDisallow: /") + case "/favicon.ico": + w.WriteHeader(http.StatusOK) + w.Write(faviconBytes) + default: + RespondError(w, r, "Not Found", http.StatusNotFound) + } } // HandlePostRaw handles a POST request to a raw bzz-raw:/ URI, stores the request // body in swarm and returns the resulting storage address as a text/plain response -func (s *Server) HandlePostRaw(w http.ResponseWriter, r *Request) { - log.Debug("handle.post.raw", "ruid", r.ruid) +func (s *Server) HandlePostRaw(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + log.Debug("handle.post.raw", "ruid", ruid) postRawCount.Inc(1) - ctx := r.Context() - var sp opentracing.Span - ctx, sp = spancontext.StartSpan( - ctx, - "http.post.raw") - defer sp.Finish() - toEncrypt := false - if r.uri.Addr == "encrypt" { + uri := GetURI(r.Context()) + if uri.Addr == "encrypt" { toEncrypt = true } - if r.uri.Path != "" { + if uri.Path != "" { postRawFail.Inc(1) - Respond(w, r, "raw POST request cannot contain a path", http.StatusBadRequest) + RespondError(w, r, "raw POST request cannot contain a path", http.StatusBadRequest) return } - if r.uri.Addr != "" && r.uri.Addr != "encrypt" { + if uri.Addr != "" && uri.Addr != "encrypt" { postRawFail.Inc(1) - Respond(w, r, "raw POST request addr can only be empty or \"encrypt\"", http.StatusBadRequest) + RespondError(w, r, "raw POST request addr can only be empty or \"encrypt\"", http.StatusBadRequest) return } if r.Header.Get("Content-Length") == "" { postRawFail.Inc(1) - Respond(w, r, "missing Content-Length header in request", http.StatusBadRequest) + RespondError(w, r, "missing Content-Length header in request", http.StatusBadRequest) return } - addr, _, err := s.api.Store(ctx, r.Body, r.ContentLength, toEncrypt) + addr, _, err := s.api.Store(r.Context(), r.Body, r.ContentLength, toEncrypt) if err != nil { postRawFail.Inc(1) - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) return } - log.Debug("stored content", "ruid", r.ruid, "key", addr) + log.Debug("stored content", "ruid", ruid, "key", addr) w.Header().Set("Content-Type", "text/plain") w.WriteHeader(http.StatusOK) @@ -311,55 +267,49 @@ func (s *Server) HandlePostRaw(w http.ResponseWriter, r *Request) { // (either a tar archive or multipart form), adds those files either to an // existing manifest or to a new manifest under and returns the // resulting manifest hash as a text/plain response -func (s *Server) HandlePostFiles(w http.ResponseWriter, r *Request) { - log.Debug("handle.post.files", "ruid", r.ruid) +func (s *Server) HandlePostFiles(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + log.Debug("handle.post.files", "ruid", ruid) postFilesCount.Inc(1) - var sp opentracing.Span - ctx := r.Context() - ctx, sp = spancontext.StartSpan( - ctx, - "http.post.files") - defer sp.Finish() - contentType, params, err := mime.ParseMediaType(r.Header.Get("Content-Type")) if err != nil { postFilesFail.Inc(1) - Respond(w, r, err.Error(), http.StatusBadRequest) + RespondError(w, r, err.Error(), http.StatusBadRequest) return } toEncrypt := false - if r.uri.Addr == "encrypt" { + uri := GetURI(r.Context()) + if uri.Addr == "encrypt" { toEncrypt = true } var addr storage.Address - if r.uri.Addr != "" && r.uri.Addr != "encrypt" { - addr, err = s.api.Resolve(r.Context(), r.uri) + if uri.Addr != "" && uri.Addr != "encrypt" { + addr, err = s.api.Resolve(r.Context(), uri) if err != nil { postFilesFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot resolve %s: %s", r.uri.Addr, err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusInternalServerError) return } - log.Debug("resolved key", "ruid", r.ruid, "key", addr) + log.Debug("resolved key", "ruid", ruid, "key", addr) } else { addr, err = s.api.NewManifest(r.Context(), toEncrypt) if err != nil { postFilesFail.Inc(1) - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) return } - log.Debug("new manifest", "ruid", r.ruid, "key", addr) + log.Debug("new manifest", "ruid", ruid, "key", addr) } - newAddr, err := s.api.UpdateManifest(ctx, addr, func(mw *api.ManifestWriter) error { + newAddr, err := s.api.UpdateManifest(r.Context(), addr, func(mw *api.ManifestWriter) error { switch contentType { - case "application/x-tar": _, err := s.handleTarUpload(r, mw) if err != nil { - Respond(w, r, fmt.Sprintf("error uploading tarball: %v", err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("error uploading tarball: %v", err), http.StatusInternalServerError) return err } return nil @@ -372,30 +322,31 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *Request) { }) if err != nil { postFilesFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot create manifest: %s", err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("cannot create manifest: %s", err), http.StatusInternalServerError) return } - log.Debug("stored content", "ruid", r.ruid, "key", newAddr) + log.Debug("stored content", "ruid", ruid, "key", newAddr) w.Header().Set("Content-Type", "text/plain") w.WriteHeader(http.StatusOK) fmt.Fprint(w, newAddr) } -func (s *Server) handleTarUpload(r *Request, mw *api.ManifestWriter) (storage.Address, error) { - log.Debug("handle.tar.upload", "ruid", r.ruid) +func (s *Server) handleTarUpload(r *http.Request, mw *api.ManifestWriter) (storage.Address, error) { + log.Debug("handle.tar.upload", "ruid", GetRUID(r.Context())) - key, err := s.api.UploadTar(r.Context(), r.Body, r.uri.Path, mw) + key, err := s.api.UploadTar(r.Context(), r.Body, GetURI(r.Context()).Path, mw) if err != nil { return nil, err } return key, nil } -func (s *Server) handleMultipartUpload(req *Request, boundary string, mw *api.ManifestWriter) error { - log.Debug("handle.multipart.upload", "ruid", req.ruid) - mr := multipart.NewReader(req.Body, boundary) +func (s *Server) handleMultipartUpload(r *http.Request, boundary string, mw *api.ManifestWriter) error { + ruid := GetRUID(r.Context()) + log.Debug("handle.multipart.upload", "ruid", ruid) + mr := multipart.NewReader(r.Body, boundary) for { part, err := mr.NextPart() if err == io.EOF { @@ -435,48 +386,52 @@ func (s *Server) handleMultipartUpload(req *Request, boundary string, mw *api.Ma if name == "" { name = part.FormName() } - path := path.Join(req.uri.Path, name) + uri := GetURI(r.Context()) + path := path.Join(uri.Path, name) entry := &api.ManifestEntry{ Path: path, ContentType: part.Header.Get("Content-Type"), Size: size, ModTime: time.Now(), } - log.Debug("adding path to new manifest", "ruid", req.ruid, "bytes", entry.Size, "path", entry.Path) - contentKey, err := mw.AddEntry(req.Context(), reader, entry) + log.Debug("adding path to new manifest", "ruid", ruid, "bytes", entry.Size, "path", entry.Path) + contentKey, err := mw.AddEntry(r.Context(), reader, entry) if err != nil { return fmt.Errorf("error adding manifest entry from multipart form: %s", err) } - log.Debug("stored content", "ruid", req.ruid, "key", contentKey) + log.Debug("stored content", "ruid", ruid, "key", contentKey) } } -func (s *Server) handleDirectUpload(req *Request, mw *api.ManifestWriter) error { - log.Debug("handle.direct.upload", "ruid", req.ruid) - key, err := mw.AddEntry(req.Context(), req.Body, &api.ManifestEntry{ - Path: req.uri.Path, - ContentType: req.Header.Get("Content-Type"), +func (s *Server) handleDirectUpload(r *http.Request, mw *api.ManifestWriter) error { + ruid := GetRUID(r.Context()) + log.Debug("handle.direct.upload", "ruid", ruid) + key, err := mw.AddEntry(r.Context(), r.Body, &api.ManifestEntry{ + Path: GetURI(r.Context()).Path, + ContentType: r.Header.Get("Content-Type"), Mode: 0644, - Size: req.ContentLength, + Size: r.ContentLength, ModTime: time.Now(), }) if err != nil { return err } - log.Debug("stored content", "ruid", req.ruid, "key", key) + log.Debug("stored content", "ruid", ruid, "key", key) return nil } // HandleDelete handles a DELETE request to bzz://, removes // from and returns the resulting manifest hash as a // text/plain response -func (s *Server) HandleDelete(w http.ResponseWriter, r *Request) { - log.Debug("handle.delete", "ruid", r.ruid) +func (s *Server) HandleDelete(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + uri := GetURI(r.Context()) + log.Debug("handle.delete", "ruid", ruid) deleteCount.Inc(1) - newKey, err := s.api.Delete(r.Context(), r.uri.Addr, r.uri.Path) + newKey, err := s.api.Delete(r.Context(), uri.Addr, uri.Path) if err != nil { deleteFail.Inc(1) - Respond(w, r, fmt.Sprintf("could not delete from manifest: %v", err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("could not delete from manifest: %v", err), http.StatusInternalServerError) return } @@ -519,27 +474,20 @@ func resourcePostMode(path string) (isRaw bool, frequency uint64, err error) { // // The POST request admits a JSON structure as defined in the mru package: `mru.updateRequestJSON` // The requests can be to a) create a resource, b) update a resource or c) both a+b: create a resource and set the initial content -func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { - log.Debug("handle.post.resource", "ruid", r.ruid) - - var sp opentracing.Span - ctx := r.Context() - ctx, sp = spancontext.StartSpan( - ctx, - "http.post.resource") - defer sp.Finish() - +func (s *Server) HandlePostResource(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + log.Debug("handle.post.resource", "ruid", ruid) var err error // Creation and update must send mru.updateRequestJSON JSON structure body, err := ioutil.ReadAll(r.Body) if err != nil { - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) return } var updateRequest mru.Request if err := updateRequest.UnmarshalJSON(body); err != nil { // decodes request JSON - Respond(w, r, err.Error(), http.StatusBadRequest) //TODO: send different status response depending on error + RespondError(w, r, err.Error(), http.StatusBadRequest) //TODO: send different status response depending on error return } @@ -548,7 +496,7 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { // to update this resource // Check this early, to avoid creating a resource and then not being able to set its first update. if err = updateRequest.Verify(); err != nil { - Respond(w, r, err.Error(), http.StatusForbidden) + RespondError(w, r, err.Error(), http.StatusForbidden) return } } @@ -557,7 +505,7 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { err = s.api.ResourceCreate(r.Context(), &updateRequest) if err != nil { code, err2 := s.translateResourceError(w, r, "resource creation fail", err) - Respond(w, r, err2.Error(), code) + RespondError(w, r, err2.Error(), code) return } } @@ -565,7 +513,7 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { if updateRequest.IsUpdate() { _, err = s.api.ResourceUpdate(r.Context(), &updateRequest.SignedResourceUpdate) if err != nil { - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) return } } @@ -579,7 +527,7 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { // metadata chunk (rootAddr) m, err := s.api.NewResourceManifest(r.Context(), updateRequest.RootAddr().Hex()) if err != nil { - Respond(w, r, fmt.Sprintf("failed to create resource manifest: %v", err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("failed to create resource manifest: %v", err), http.StatusInternalServerError) return } @@ -589,7 +537,7 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { // \TODO update manifest key automatically in ENS outdata, err := json.Marshal(m) if err != nil { - Respond(w, r, fmt.Sprintf("failed to create json response: %s", err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("failed to create json response: %s", err), http.StatusInternalServerError) return } fmt.Fprint(w, string(outdata)) @@ -604,17 +552,19 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) { // bzz-resource:///meta - get metadata and next version information // = ens name or hash // TODO: Enable pass maxPeriod parameter -func (s *Server) HandleGetResource(w http.ResponseWriter, r *Request) { - log.Debug("handle.get.resource", "ruid", r.ruid) +func (s *Server) HandleGetResource(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + uri := GetURI(r.Context()) + log.Debug("handle.get.resource", "ruid", ruid) var err error // resolve the content key. - manifestAddr := r.uri.Address() + manifestAddr := uri.Address() if manifestAddr == nil { - manifestAddr, err = s.api.Resolve(r.Context(), r.uri) + manifestAddr, err = s.api.Resolve(r.Context(), uri) if err != nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot resolve %s: %s", r.uri.Addr, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound) return } } else { @@ -625,25 +575,25 @@ func (s *Server) HandleGetResource(w http.ResponseWriter, r *Request) { rootAddr, err := s.api.ResolveResourceManifest(r.Context(), manifestAddr) if err != nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("error resolving resource root chunk for %s: %s", r.uri.Addr, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("error resolving resource root chunk for %s: %s", uri.Addr, err), http.StatusNotFound) return } - log.Debug("handle.get.resource: resolved", "ruid", r.ruid, "manifestkey", manifestAddr, "rootchunk addr", rootAddr) + log.Debug("handle.get.resource: resolved", "ruid", ruid, "manifestkey", manifestAddr, "rootchunk addr", rootAddr) // determine if the query specifies period and version or it is a metadata query var params []string - if len(r.uri.Path) > 0 { - if r.uri.Path == "meta" { + if len(uri.Path) > 0 { + if uri.Path == "meta" { unsignedUpdateRequest, err := s.api.ResourceNewRequest(r.Context(), rootAddr) if err != nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot retrieve resource metadata for rootAddr=%s: %s", rootAddr.Hex(), err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("cannot retrieve resource metadata for rootAddr=%s: %s", rootAddr.Hex(), err), http.StatusNotFound) return } rawResponse, err := unsignedUpdateRequest.MarshalJSON() if err != nil { - Respond(w, r, fmt.Sprintf("cannot encode unsigned UpdateRequest: %v", err), http.StatusInternalServerError) + RespondError(w, r, fmt.Sprintf("cannot encode unsigned UpdateRequest: %v", err), http.StatusInternalServerError) return } w.Header().Add("Content-type", "application/json") @@ -653,7 +603,7 @@ func (s *Server) HandleGetResource(w http.ResponseWriter, r *Request) { } - params = strings.Split(r.uri.Path, "/") + params = strings.Split(uri.Path, "/") } var name string @@ -689,17 +639,17 @@ func (s *Server) HandleGetResource(w http.ResponseWriter, r *Request) { // any error from the switch statement will end up here if err != nil { code, err2 := s.translateResourceError(w, r, "mutable resource lookup fail", err) - Respond(w, r, err2.Error(), code) + RespondError(w, r, err2.Error(), code) return } // All ok, serve the retrieved update - log.Debug("Found update", "name", name, "ruid", r.ruid) + log.Debug("Found update", "name", name, "ruid", ruid) w.Header().Set("Content-Type", "application/octet-stream") - http.ServeContent(w, &r.Request, "", now, bytes.NewReader(data)) + http.ServeContent(w, r, "", now, bytes.NewReader(data)) } -func (s *Server) translateResourceError(w http.ResponseWriter, r *Request, supErr string, err error) (int, error) { +func (s *Server) translateResourceError(w http.ResponseWriter, r *http.Request, supErr string, err error) (int, error) { code := 0 defaultErr := fmt.Errorf("%s: %v", supErr, err) rsrcErr, ok := err.(*mru.Error) @@ -725,46 +675,41 @@ func (s *Server) translateResourceError(w http.ResponseWriter, r *Request, supEr // given storage key // - bzz-hash:// and responds with the hash of the content stored // at the given storage key as a text/plain response -func (s *Server) HandleGet(w http.ResponseWriter, r *Request) { - log.Debug("handle.get", "ruid", r.ruid, "uri", r.uri) +func (s *Server) HandleGet(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + uri := GetURI(r.Context()) + log.Debug("handle.get", "ruid", ruid, "uri", uri) getCount.Inc(1) - var sp opentracing.Span - ctx := r.Context() - ctx, sp = spancontext.StartSpan( - ctx, - "http.get") - defer sp.Finish() - var err error - addr := r.uri.Address() + addr := uri.Address() if addr == nil { - addr, err = s.api.Resolve(r.Context(), r.uri) + addr, err = s.api.Resolve(r.Context(), uri) if err != nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot resolve %s: %s", r.uri.Addr, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound) return } } else { w.Header().Set("Cache-Control", "max-age=2147483648, immutable") // url was of type bzz:///path, so we are sure it is immutable. } - log.Debug("handle.get: resolved", "ruid", r.ruid, "key", addr) + log.Debug("handle.get: resolved", "ruid", ruid, "key", addr) // if path is set, interpret as a manifest and return the // raw entry at the given path - if r.uri.Path != "" { + if uri.Path != "" { walker, err := s.api.NewManifestWalker(r.Context(), addr, nil) if err != nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("%s is not a manifest", addr), http.StatusBadRequest) + RespondError(w, r, fmt.Sprintf("%s is not a manifest", addr), http.StatusBadRequest) return } var entry *api.ManifestEntry walker.Walk(func(e *api.ManifestEntry) error { // if the entry matches the path, set entry and stop // the walk - if e.Path == r.uri.Path { + if e.Path == uri.Path { entry = e // return an error to cancel the walk return errors.New("found") @@ -778,7 +723,7 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *Request) { // if the manifest's path is a prefix of the // requested path, recurse into it by returning // nil and continuing the walk - if strings.HasPrefix(r.uri.Path, e.Path) { + if strings.HasPrefix(uri.Path, e.Path) { return nil } @@ -786,7 +731,7 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *Request) { }) if entry == nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("manifest entry could not be loaded"), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("manifest entry could not be loaded"), http.StatusNotFound) return } addr = storage.Address(common.Hex2Bytes(entry.Hash)) @@ -796,23 +741,23 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *Request) { w.Header().Set("ETag", fmt.Sprintf("%q", etag)) // set etag to manifest key or raw entry key. if noneMatchEtag != "" { if bytes.Equal(storage.Address(common.Hex2Bytes(noneMatchEtag)), addr) { - Respond(w, r, "Not Modified", http.StatusNotModified) + w.WriteHeader(http.StatusNotModified) return } } // check the root chunk exists by retrieving the file's size - reader, isEncrypted := s.api.Retrieve(ctx, addr) - if _, err := reader.Size(ctx, nil); err != nil { + reader, isEncrypted := s.api.Retrieve(r.Context(), addr) + if _, err := reader.Size(r.Context(), nil); err != nil { getFail.Inc(1) - Respond(w, r, fmt.Sprintf("root chunk not found %s: %s", addr, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("root chunk not found %s: %s", addr, err), http.StatusNotFound) return } w.Header().Set("X-Decrypted", fmt.Sprintf("%v", isEncrypted)) switch { - case r.uri.Raw(): + case uri.Raw(): // allow the request to overwrite the content type using a query // parameter contentType := "application/octet-stream" @@ -820,8 +765,8 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *Request) { contentType = typ } w.Header().Set("Content-Type", contentType) - http.ServeContent(w, &r.Request, "", time.Now(), reader) - case r.uri.Hash(): + http.ServeContent(w, r, "", time.Now(), reader) + case uri.Hash(): w.Header().Set("Content-Type", "text/plain") w.WriteHeader(http.StatusOK) fmt.Fprint(w, addr) @@ -831,35 +776,30 @@ func (s *Server) HandleGet(w http.ResponseWriter, r *Request) { // HandleGetList handles a GET request to bzz-list:// and returns // a list of all files contained in under grouped into // common prefixes using "/" as a delimiter -func (s *Server) HandleGetList(w http.ResponseWriter, r *Request) { - log.Debug("handle.get.list", "ruid", r.ruid, "uri", r.uri) +func (s *Server) HandleGetList(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + uri := GetURI(r.Context()) + log.Debug("handle.get.list", "ruid", ruid, "uri", uri) getListCount.Inc(1) - var sp opentracing.Span - ctx := r.Context() - ctx, sp = spancontext.StartSpan( - ctx, - "http.get.list") - defer sp.Finish() - // ensure the root path has a trailing slash so that relative URLs work - if r.uri.Path == "" && !strings.HasSuffix(r.URL.Path, "/") { - http.Redirect(w, &r.Request, r.URL.Path+"/", http.StatusMovedPermanently) + if uri.Path == "" && !strings.HasSuffix(r.URL.Path, "/") { + http.Redirect(w, r, r.URL.Path+"/", http.StatusMovedPermanently) return } - addr, err := s.api.Resolve(r.Context(), r.uri) + addr, err := s.api.Resolve(r.Context(), uri) if err != nil { getListFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot resolve %s: %s", r.uri.Addr, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound) return } - log.Debug("handle.get.list: resolved", "ruid", r.ruid, "key", addr) + log.Debug("handle.get.list: resolved", "ruid", ruid, "key", addr) - list, err := s.api.GetManifestList(ctx, addr, r.uri.Path) + list, err := s.api.GetManifestList(r.Context(), addr, uri.Path) if err != nil { getListFail.Inc(1) - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) return } @@ -867,11 +807,11 @@ func (s *Server) HandleGetList(w http.ResponseWriter, r *Request) { // HTML index with relative URLs if strings.Contains(r.Header.Get("Accept"), "text/html") { w.Header().Set("Content-Type", "text/html") - err := htmlListTemplate.Execute(w, &htmlListData{ + err := TemplatesMap["bzz-list"].Execute(w, &htmlListData{ URI: &api.URI{ Scheme: "bzz", - Addr: r.uri.Addr, - Path: r.uri.Path, + Addr: uri.Addr, + Path: uri.Path, }, List: &list, }) @@ -888,45 +828,40 @@ func (s *Server) HandleGetList(w http.ResponseWriter, r *Request) { // HandleGetFile handles a GET request to bzz:/// and responds // with the content of the file at from the given -func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) { - log.Debug("handle.get.file", "ruid", r.ruid) +func (s *Server) HandleGetFile(w http.ResponseWriter, r *http.Request) { + ruid := GetRUID(r.Context()) + uri := GetURI(r.Context()) + log.Debug("handle.get.file", "ruid", ruid) getFileCount.Inc(1) - var sp opentracing.Span - ctx := r.Context() - ctx, sp = spancontext.StartSpan( - ctx, - "http.get.file") - defer sp.Finish() - // ensure the root path has a trailing slash so that relative URLs work - if r.uri.Path == "" && !strings.HasSuffix(r.URL.Path, "/") { - http.Redirect(w, &r.Request, r.URL.Path+"/", http.StatusMovedPermanently) + if uri.Path == "" && !strings.HasSuffix(r.URL.Path, "/") { + http.Redirect(w, r, r.URL.Path+"/", http.StatusMovedPermanently) return } var err error - manifestAddr := r.uri.Address() + manifestAddr := uri.Address() if manifestAddr == nil { - manifestAddr, err = s.api.Resolve(r.Context(), r.uri) + manifestAddr, err = s.api.Resolve(r.Context(), uri) if err != nil { getFileFail.Inc(1) - Respond(w, r, fmt.Sprintf("cannot resolve %s: %s", r.uri.Addr, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("cannot resolve %s: %s", uri.Addr, err), http.StatusNotFound) return } } else { w.Header().Set("Cache-Control", "max-age=2147483648, immutable") // url was of type bzz:///path, so we are sure it is immutable. } - log.Debug("handle.get.file: resolved", "ruid", r.ruid, "key", manifestAddr) - reader, contentType, status, contentKey, err := s.api.Get(r.Context(), manifestAddr, r.uri.Path) + log.Debug("handle.get.file: resolved", "ruid", ruid, "key", manifestAddr) + reader, contentType, status, contentKey, err := s.api.Get(r.Context(), manifestAddr, uri.Path) etag := common.Bytes2Hex(contentKey) noneMatchEtag := r.Header.Get("If-None-Match") w.Header().Set("ETag", fmt.Sprintf("%q", etag)) // set etag to actual content key. if noneMatchEtag != "" { if bytes.Equal(storage.Address(common.Hex2Bytes(noneMatchEtag)), contentKey) { - Respond(w, r, "Not Modified", http.StatusNotModified) + w.WriteHeader(http.StatusNotModified) return } } @@ -935,10 +870,10 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) { switch status { case http.StatusNotFound: getFileNotFound.Inc(1) - Respond(w, r, err.Error(), http.StatusNotFound) + RespondError(w, r, err.Error(), http.StatusNotFound) default: getFileFail.Inc(1) - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) } return } @@ -946,28 +881,28 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) { //the request results in ambiguous files //e.g. /read with readme.md and readinglist.txt available in manifest if status == http.StatusMultipleChoices { - list, err := s.api.GetManifestList(ctx, manifestAddr, r.uri.Path) + list, err := s.api.GetManifestList(r.Context(), manifestAddr, uri.Path) if err != nil { getFileFail.Inc(1) - Respond(w, r, err.Error(), http.StatusInternalServerError) + RespondError(w, r, err.Error(), http.StatusInternalServerError) return } - log.Debug(fmt.Sprintf("Multiple choices! --> %v", list), "ruid", r.ruid) + log.Debug(fmt.Sprintf("Multiple choices! --> %v", list), "ruid", ruid) //show a nice page links to available entries ShowMultipleChoices(w, r, list) return } // check the root chunk exists by retrieving the file's size - if _, err := reader.Size(ctx, nil); err != nil { + if _, err := reader.Size(r.Context(), nil); err != nil { getFileNotFound.Inc(1) - Respond(w, r, fmt.Sprintf("file not found %s: %s", r.uri, err), http.StatusNotFound) + RespondError(w, r, fmt.Sprintf("file not found %s: %s", uri, err), http.StatusNotFound) return } w.Header().Set("Content-Type", contentType) - http.ServeContent(w, &r.Request, "", time.Now(), newBufferedReadSeeker(reader, getFileBufferSize)) + http.ServeContent(w, r, "", time.Now(), newBufferedReadSeeker(reader, getFileBufferSize)) } // The size of buffer used for bufio.Reader on LazyChunkReader passed to diff --git a/swarm/api/http/server_test.go b/swarm/api/http/server_test.go index e8bc1bdaea..7934e37eba 100644 --- a/swarm/api/http/server_test.go +++ b/swarm/api/http/server_test.go @@ -27,8 +27,10 @@ import ( "fmt" "io" "io/ioutil" + "mime/multipart" "net/http" "os" + "strconv" "strings" "testing" "time" @@ -443,11 +445,6 @@ func TestBzzGetPath(t *testing.T) { testBzzGetPath(true, t) } -func TestBzzTar(t *testing.T) { - testBzzTar(false, t) - testBzzTar(true, t) -} - func testBzzGetPath(encrypted bool, t *testing.T) { var err error @@ -561,24 +558,35 @@ func testBzzGetPath(encrypted bool, t *testing.T) { ref := addr[2].Hex() for _, c := range []struct { - path string - json string - html string + path string + json string + pageFragments []string }{ { path: "/", json: `{"common_prefixes":["a/"]}`, - html: fmt.Sprintf("\n\n\n \n \n\t\t\n\tSwarm index of bzz:/%s/\n\n\n\n

Swarm index of bzz:/%s/

\n
\n \n \n \n\t\n\t\n\t\n \n \n\n \n \n\t\n\t \n\t \n\t \n\t\n \n\n \n
PathTypeSize
a/DIR-
\n
\n\n", ref, ref), + pageFragments: []string{ + fmt.Sprintf("Swarm index of bzz:/%s/", ref), + `a/`, + }, }, { path: "/a/", json: `{"common_prefixes":["a/b/"],"entries":[{"hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","path":"a/a","mod_time":"0001-01-01T00:00:00Z"}]}`, - html: fmt.Sprintf("\n\n\n \n \n\t\t\n\tSwarm index of bzz:/%s/a/\n\n\n\n

Swarm index of bzz:/%s/a/

\n
\n \n \n \n\t\n\t\n\t\n \n \n\n \n \n\t\n\t \n\t \n\t \n\t\n \n\n \n\t\n\t \n\t \n\t \n\t\n \n
PathTypeSize
b/DIR-
a0
\n
\n\n", ref, ref), + pageFragments: []string{ + fmt.Sprintf("Swarm index of bzz:/%s/a/", ref), + `b/`, + fmt.Sprintf(`a`, ref), + }, }, { path: "/a/b/", json: `{"entries":[{"hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","path":"a/b/b","mod_time":"0001-01-01T00:00:00Z"},{"hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","path":"a/b/c","mod_time":"0001-01-01T00:00:00Z"}]}`, - html: fmt.Sprintf("\n\n\n \n \n\t\t\n\tSwarm index of bzz:/%s/a/b/\n\n\n\n

Swarm index of bzz:/%s/a/b/

\n
\n \n \n \n\t\n\t\n\t\n \n \n\n \n \n\n \n\t\n\t \n\t \n\t \n\t\n \n\t\n\t \n\t \n\t \n\t\n \n
PathTypeSize
b0
c0
\n
\n\n", ref, ref), + pageFragments: []string{ + fmt.Sprintf("Swarm index of bzz:/%s/a/b/", ref), + fmt.Sprintf(`b`, ref), + fmt.Sprintf(`c`, ref), + }, }, { path: "/x", @@ -628,21 +636,25 @@ func testBzzGetPath(encrypted bool, t *testing.T) { t.Fatalf("HTTP request: %v", err) } defer resp.Body.Close() - respbody, err := ioutil.ReadAll(resp.Body) + b, err := ioutil.ReadAll(resp.Body) if err != nil { t.Fatalf("Read response body: %v", err) } - if string(respbody) != c.html { - isexpectedfailrequest := false + body := string(b) - for _, r := range expectedfailrequests { - if k[:] == r { - isexpectedfailrequest = true + for _, f := range c.pageFragments { + if !strings.Contains(body, f) { + isexpectedfailrequest := false + + for _, r := range expectedfailrequests { + if k[:] == r { + isexpectedfailrequest = true + } + } + if !isexpectedfailrequest { + t.Errorf("Response list body %q does not contain %q: body %q", k, f, body) } - } - if !isexpectedfailrequest { - t.Errorf("Response list body %q does not match, expected: %q, got %q", k, c.html, string(respbody)) } } }) @@ -657,11 +669,11 @@ func testBzzGetPath(encrypted bool, t *testing.T) { } nonhashresponses := []string{ - "cannot resolve name: no DNS to resolve name: "name"", - "cannot resolve nonhash: immutable address not a content hash: "nonhash"", - "cannot resolve nonhash: no DNS to resolve name: "nonhash"", - "cannot resolve nonhash: no DNS to resolve name: "nonhash"", - "cannot resolve nonhash: no DNS to resolve name: "nonhash"", + `cannot resolve name: no DNS to resolve name: "name"`, + `cannot resolve nonhash: immutable address not a content hash: "nonhash"`, + `cannot resolve nonhash: no DNS to resolve name: "nonhash"`, + `cannot resolve nonhash: no DNS to resolve name: "nonhash"`, + `cannot resolve nonhash: no DNS to resolve name: "nonhash"`, } for i, url := range nonhashtests { @@ -684,6 +696,11 @@ func testBzzGetPath(encrypted bool, t *testing.T) { } } +func TestBzzTar(t *testing.T) { + testBzzTar(false, t) + testBzzTar(true, t) +} + func testBzzTar(encrypted bool, t *testing.T) { srv := testutil.NewTestSwarmServer(t, serverFunc) defer srv.Close() @@ -738,7 +755,6 @@ func testBzzTar(encrypted bool, t *testing.T) { } swarmHash, err := ioutil.ReadAll(resp2.Body) resp2.Body.Close() - t.Logf("uploaded tarball successfully and got manifest address at %s", string(swarmHash)) if err != nil { t.Fatal(err) } @@ -887,8 +903,253 @@ func TestMethodsNotAllowed(t *testing.T) { } { res, _ := http.Post(c.url, "text/plain", bytes.NewReader([]byte(databytes))) if res.StatusCode != c.code { - t.Fatal("should have failed") + t.Fatalf("should have failed. requested url: %s, expected code %d, got %d", c.url, c.code, res.StatusCode) } } } + +func httpDo(httpMethod string, url string, reqBody io.Reader, headers map[string]string, verbose bool, t *testing.T) (*http.Response, string) { + // Build the Request + req, err := http.NewRequest(httpMethod, url, reqBody) + if err != nil { + t.Fatal(err) + } + for key, value := range headers { + req.Header.Set(key, value) + } + if verbose { + t.Log(req.Method, req.URL, req.Header, req.Body) + } + + // Send Request out + httpClient := &http.Client{} + res, err := httpClient.Do(req) + if err != nil { + t.Fatal(err) + } + + // Read the HTTP Body + buffer, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatal(err) + } + defer res.Body.Close() + body := string(buffer) + + return res, body +} + +func TestGet(t *testing.T) { + srv := testutil.NewTestSwarmServer(t, serverFunc) + defer srv.Close() + + for _, testCase := range []struct { + uri string + method string + headers map[string]string + expectedStatusCode int + assertResponseBody string + verbose bool + }{ + { + uri: fmt.Sprintf("%s/", srv.URL), + method: "GET", + headers: map[string]string{"Accept": "text/html"}, + expectedStatusCode: 200, + assertResponseBody: "Swarm: Serverless Hosting Incentivised Peer-To-Peer Storage And Content Distribution", + verbose: false, + }, + { + uri: fmt.Sprintf("%s/", srv.URL), + method: "GET", + headers: map[string]string{"Accept": "application/json"}, + expectedStatusCode: 200, + assertResponseBody: "Swarm: Please request a valid ENS or swarm hash with the appropriate bzz scheme", + verbose: false, + }, + { + uri: fmt.Sprintf("%s/robots.txt", srv.URL), + method: "GET", + headers: map[string]string{"Accept": "text/html"}, + expectedStatusCode: 200, + assertResponseBody: "User-agent: *\nDisallow: /", + verbose: false, + }, + { + uri: fmt.Sprintf("%s/nonexistent_path", srv.URL), + method: "GET", + headers: map[string]string{}, + expectedStatusCode: 404, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz:asdf/", srv.URL), + method: "GET", + headers: map[string]string{}, + expectedStatusCode: 404, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/tbz2/", srv.URL), + method: "GET", + headers: map[string]string{}, + expectedStatusCode: 404, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz-rack:/", srv.URL), + method: "GET", + headers: map[string]string{}, + expectedStatusCode: 404, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz-ls", srv.URL), + method: "GET", + headers: map[string]string{}, + expectedStatusCode: 404, + verbose: false, + }, + } { + t.Run("GET "+testCase.uri, func(t *testing.T) { + res, body := httpDo(testCase.method, testCase.uri, nil, testCase.headers, testCase.verbose, t) + if res.StatusCode != testCase.expectedStatusCode { + t.Fatalf("expected status code %d but got %d", testCase.expectedStatusCode, res.StatusCode) + } + if testCase.assertResponseBody != "" && !strings.Contains(body, testCase.assertResponseBody) { + t.Fatalf("expected response to be: %s but got: %s", testCase.assertResponseBody, body) + } + }) + } +} + +func TestModify(t *testing.T) { + srv := testutil.NewTestSwarmServer(t, serverFunc) + defer srv.Close() + + swarmClient := swarm.NewClient(srv.URL) + data := []byte("data") + file := &swarm.File{ + ReadCloser: ioutil.NopCloser(bytes.NewReader(data)), + ManifestEntry: api.ManifestEntry{ + Path: "", + ContentType: "text/plain", + Size: int64(len(data)), + }, + } + + hash, err := swarmClient.Upload(file, "", false) + if err != nil { + t.Fatal(err) + } + + for _, testCase := range []struct { + uri string + method string + headers map[string]string + requestBody []byte + expectedStatusCode int + assertResponseBody string + assertResponseHeaders map[string]string + verbose bool + }{ + { + uri: fmt.Sprintf("%s/bzz:/%s", srv.URL, hash), + method: "DELETE", + headers: map[string]string{}, + expectedStatusCode: 200, + assertResponseBody: "8b634aea26eec353ac0ecbec20c94f44d6f8d11f38d4578a4c207a84c74ef731", + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz:/%s", srv.URL, hash), + method: "PUT", + headers: map[string]string{}, + expectedStatusCode: 405, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz-raw:/%s", srv.URL, hash), + method: "PUT", + headers: map[string]string{}, + expectedStatusCode: 405, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz:/%s", srv.URL, hash), + method: "PATCH", + headers: map[string]string{}, + expectedStatusCode: 405, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz-raw:/", srv.URL), + method: "POST", + headers: map[string]string{}, + requestBody: []byte("POSTdata"), + expectedStatusCode: 200, + assertResponseHeaders: map[string]string{"Content-Length": "64"}, + verbose: false, + }, + { + uri: fmt.Sprintf("%s/bzz-raw:/encrypt", srv.URL), + method: "POST", + headers: map[string]string{}, + requestBody: []byte("POSTdata"), + expectedStatusCode: 200, + assertResponseHeaders: map[string]string{"Content-Length": "128"}, + verbose: false, + }, + } { + t.Run(testCase.method+" "+testCase.uri, func(t *testing.T) { + reqBody := bytes.NewReader(testCase.requestBody) + res, body := httpDo(testCase.method, testCase.uri, reqBody, testCase.headers, testCase.verbose, t) + + if res.StatusCode != testCase.expectedStatusCode { + t.Fatalf("expected status code %d but got %d", testCase.expectedStatusCode, res.StatusCode) + } + if testCase.assertResponseBody != "" && !strings.Contains(body, testCase.assertResponseBody) { + t.Log(body) + t.Fatalf("expected response %s but got %s", testCase.assertResponseBody, body) + } + for key, value := range testCase.assertResponseHeaders { + if res.Header.Get(key) != value { + t.Logf("expected %s=%s in HTTP response header but got %s", key, value, res.Header.Get(key)) + } + } + }) + } +} + +func TestMultiPartUpload(t *testing.T) { + // POST /bzz:/ Content-Type: multipart/form-data + verbose := false + // Setup Swarm + srv := testutil.NewTestSwarmServer(t, serverFunc) + defer srv.Close() + + url := fmt.Sprintf("%s/bzz:/", srv.URL) + + buf := new(bytes.Buffer) + form := multipart.NewWriter(buf) + form.WriteField("name", "John Doe") + file1, _ := form.CreateFormFile("cv", "cv.txt") + file1.Write([]byte("John Doe's Credentials")) + file2, _ := form.CreateFormFile("profile_picture", "profile.jpg") + file2.Write([]byte("imaginethisisjpegdata")) + form.Close() + + headers := map[string]string{ + "Content-Type": form.FormDataContentType(), + "Content-Length": strconv.Itoa(buf.Len()), + } + res, body := httpDo("POST", url, buf, headers, verbose, t) + + if res.StatusCode != 200 { + t.Fatalf("expected POST multipart/form-data to return 200, but it returned %d", res.StatusCode) + } + if len(body) != 64 { + t.Fatalf("expected POST multipart/form-data to return a 64 char manifest but the answer was %d chars long", len(body)) + } +} diff --git a/swarm/api/http/templates.go b/swarm/api/http/templates.go index 8897b96946..986f5f8873 100644 --- a/swarm/api/http/templates.go +++ b/swarm/api/http/templates.go @@ -17,6 +17,8 @@ package http import ( + "encoding/hex" + "fmt" "html/template" "path" @@ -28,178 +30,277 @@ type htmlListData struct { List *api.ManifestList } -var htmlListTemplate = template.Must(template.New("html-list").Funcs(template.FuncMap{"basename": path.Base}).Parse(` - - - - - - - Swarm index of {{ .URI }} - +var TemplatesMap = make(map[string]*template.Template) +var faviconBytes []byte - -

Swarm index of {{ .URI }}

-
- - - - - - - - +func init() { + for _, v := range []struct { + templateName string + partial string + funcs template.FuncMap + }{ + { + templateName: "error", + partial: errorResponse, + }, + { + templateName: "bzz-list", + partial: bzzList, + funcs: template.FuncMap{ + "basename": path.Base, + "leaflink": leafLink, + }, + }, + { + templateName: "landing-page", + partial: landing, + }, + } { + TemplatesMap[v.templateName] = template.Must(template.New(v.templateName).Funcs(v.funcs).Parse(baseTemplate + css + v.partial + logo)) + } - - {{ range .List.CommonPrefixes }} - - - - - - {{ end }} + bytes, err := hex.DecodeString(favicon) + if err != nil { + panic(err) + } + faviconBytes = bytes +} - {{ range .List.Entries }} - - - - - - {{ end }} -
PathTypeSize
{{ basename . }}/DIR-
{{ basename .Path }}{{ .ContentType }}{{ .Size }}
-
- -`[1:])) +func leafLink(URI api.URI, manifestEntry api.ManifestEntry) string { + return fmt.Sprintf("/bzz:/%s/%s", URI.Addr, manifestEntry.Path) +} -var landingPageTemplate = template.Must(template.New("landingPage").Parse(` - - - - - - - - Swarm :: Welcome to Swarm - - - -
-
- -
-
-

Welcome to Swarm

-
-
- - - - -

Enter the hash or ENS of a Swarm-hosted file below:

-
- - -
- - -
-

- Swarm: Serverless Hosting Incentivised peer-to-peer Storage and Content Distribution -

-
+
+
+ + +
+
+
+

{{.Timestamp}}

+

Swarm: Serverless Hosting Incentivised Peer-To-Peer Storage And Content Distribution

+
+ - +{{ end }}` + +const baseTemplate = ` + + + + + + + + + {{ template "content" . }} + -`[1:])) +` + +const css = `{{ define "css" }} +html { + font-size: 18px; + font-size: 1.13rem; + -webkit-text-size-adjust: 100%; + -ms-text-size-adjust: 100%; + font-family: Helvetica, Arial, sans-serif; +} + +body { + background: #f6f6f6; + color: #333; +} + +a, a:visited, a:active { + color: darkorange; +} + +a.normal-link, a.normal-link:active { color: #0000EE; } +a.normal-link:visited { color: #551A8B; } + +table { + border-collapse: separate; +} + +td { + padding: 3px 10px; +} + + +.container { + max-width: 600px; + margin: 40px auto 40px; + text-align: center; +} + +.separate-block { + margin: 40px 0; + word-wrap: break-word; +} + +.footer { + font-size: 12px; + font-size: 0.75rem; + text-align: center; +} + +.orange { + color: #ffa500; +} + +.top-space { + margin-top: 20px; + margin-bottom: 20px; +} + +/* SVG Logos, editable */ + +.searchbar { + padding: 20px 20px 0; +} + +.logo { + margin: 100px 80px 0; +} + +.logo a img { + max-width: 140px; +} + +/* Tablet < 600p*/ + +@media only screen and (max-width: 600px) {} + +/* Mobile phone < 360p*/ + +@media only screen and (max-width: 360px) { + h1 { + font-size: 20px; + font-size: 1.5rem; + } + h2 { + font-size: 0.88rem; + margin: 0; + } + .logo { + margin: 50px 40px 0; + } + .footer { + font-size: 0.63rem; + text-align: center; + } +} + +input[type=text] { + width: 100%; + box-sizing: border-box; + border: 2px solid #777; + border-radius: 2px; + font-size: 16px; + padding: 12px 20px 12px 20px; + transition: border 250ms ease-in-out; +} + +input[type=text]:focus { + border: 2px solid #ffce73; +} + +.button { + background-color: #ffa500; + margin: 20px 0; + border: none; + border-radius: 2px; + color: #222; + padding: 15px 32px; + text-align: center; + text-decoration: none; + display: inline-block; + font-size: 16px; +} +{{ end }}` + +const logo = `{{ define "logo" }} + +{{ end }}` + +const favicon = 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diff --git a/swarm/api/manifest.go b/swarm/api/manifest.go index 198ca22ce0..fbd143f295 100644 --- a/swarm/api/manifest.go +++ b/swarm/api/manifest.go @@ -159,7 +159,7 @@ func (m *ManifestWalker) Walk(walkFn WalkFn) error { } func (m *ManifestWalker) walk(trie *manifestTrie, prefix string, walkFn WalkFn) error { - for _, entry := range trie.entries { + for _, entry := range &trie.entries { if entry == nil { continue } @@ -308,7 +308,7 @@ func (mt *manifestTrie) addEntry(entry *manifestTrieEntry, quitC chan bool) { } func (mt *manifestTrie) getCountLast() (cnt int, entry *manifestTrieEntry) { - for _, e := range mt.entries { + for _, e := range &mt.entries { if e != nil { cnt++ entry = e @@ -362,7 +362,7 @@ func (mt *manifestTrie) recalcAndStore() error { buffer.WriteString(`{"entries":[`) list := &Manifest{} - for _, entry := range mt.entries { + for _, entry := range &mt.entries { if entry != nil { if entry.Hash == "" { // TODO: paralellize err := entry.subtrie.recalcAndStore() diff --git a/swarm/bmt/bmt.go b/swarm/bmt/bmt.go index 1a141047ae..97e0e141ed 100644 --- a/swarm/bmt/bmt.go +++ b/swarm/bmt/bmt.go @@ -318,7 +318,7 @@ func (h *Hasher) Sum(b []byte) (s []byte) { // with every full segment calls writeSection in a go routine func (h *Hasher) Write(b []byte) (int, error) { l := len(b) - if l == 0 { + if l == 0 || l > 4096 { return 0, nil } t := h.getTree() diff --git a/swarm/network/protocol.go b/swarm/network/protocol.go index 49ae5a15bf..7e7fee8efe 100644 --- a/swarm/network/protocol.go +++ b/swarm/network/protocol.go @@ -94,12 +94,14 @@ type BzzConfig struct { UnderlayAddr []byte // node's underlay address HiveParams *HiveParams NetworkID uint64 + LightNode bool } // Bzz is the swarm protocol bundle type Bzz struct { *Hive NetworkID uint64 + LightNode bool localAddr *BzzAddr mtx sync.Mutex handshakes map[discover.NodeID]*HandshakeMsg @@ -116,6 +118,7 @@ func NewBzz(config *BzzConfig, kad Overlay, store state.Store, streamerSpec *pro return &Bzz{ Hive: NewHive(config.HiveParams, kad, store), NetworkID: config.NetworkID, + LightNode: config.LightNode, localAddr: &BzzAddr{config.OverlayAddr, config.UnderlayAddr}, handshakes: make(map[discover.NodeID]*HandshakeMsg), streamerRun: streamerRun, @@ -209,7 +212,11 @@ func (b *Bzz) RunProtocol(spec *protocols.Spec, run func(*BzzPeer) error) func(* localAddr: b.localAddr, BzzAddr: handshake.peerAddr, lastActive: time.Now(), + LightNode: handshake.LightNode, } + + log.Debug("peer created", "addr", handshake.peerAddr.String()) + return run(peer) } } @@ -228,6 +235,7 @@ func (b *Bzz) performHandshake(p *protocols.Peer, handshake *HandshakeMsg) error return err } handshake.peerAddr = rsh.(*HandshakeMsg).Addr + handshake.LightNode = rsh.(*HandshakeMsg).LightNode return nil } @@ -263,6 +271,7 @@ type BzzPeer struct { localAddr *BzzAddr // local Peers address *BzzAddr // remote address -> implements Addr interface = protocols.Peer lastActive time.Time // time is updated whenever mutexes are releasing + LightNode bool } func NewBzzTestPeer(p *protocols.Peer, addr *BzzAddr) *BzzPeer { @@ -294,6 +303,7 @@ type HandshakeMsg struct { Version uint64 NetworkID uint64 Addr *BzzAddr + LightNode bool // peerAddr is the address received in the peer handshake peerAddr *BzzAddr @@ -305,7 +315,7 @@ type HandshakeMsg struct { // String pretty prints the handshake func (bh *HandshakeMsg) String() string { - return fmt.Sprintf("Handshake: Version: %v, NetworkID: %v, Addr: %v", bh.Version, bh.NetworkID, bh.Addr) + return fmt.Sprintf("Handshake: Version: %v, NetworkID: %v, Addr: %v, LightNode: %v, peerAddr: %v", bh.Version, bh.NetworkID, bh.Addr, bh.LightNode, bh.peerAddr) } // Perform initiates the handshake and validates the remote handshake message @@ -338,6 +348,7 @@ func (b *Bzz) GetHandshake(peerID discover.NodeID) (*HandshakeMsg, bool) { Version: uint64(BzzSpec.Version), NetworkID: b.NetworkID, Addr: b.localAddr, + LightNode: b.LightNode, init: make(chan bool, 1), done: make(chan struct{}), } diff --git a/swarm/network/protocol_test.go b/swarm/network/protocol_test.go index 63faf31088..b74b72c68b 100644 --- a/swarm/network/protocol_test.go +++ b/swarm/network/protocol_test.go @@ -30,6 +30,11 @@ import ( p2ptest "github.com/ethereum/go-ethereum/p2p/testing" ) +const ( + TestProtocolVersion = 5 + TestProtocolNetworkID = 3 +) + var ( loglevel = flag.Int("loglevel", 2, "verbosity of logs") ) @@ -127,23 +132,30 @@ type bzzTester struct { *p2ptest.ProtocolTester addr *BzzAddr cs map[string]chan bool + bzz *Bzz } -func newBzzHandshakeTester(t *testing.T, n int, addr *BzzAddr) *bzzTester { +func newBzz(addr *BzzAddr, lightNode bool) *Bzz { config := &BzzConfig{ OverlayAddr: addr.Over(), UnderlayAddr: addr.Under(), HiveParams: NewHiveParams(), NetworkID: DefaultNetworkID, + LightNode: lightNode, } kad := NewKademlia(addr.OAddr, NewKadParams()) bzz := NewBzz(config, kad, nil, nil, nil) + return bzz +} - s := p2ptest.NewProtocolTester(t, NewNodeIDFromAddr(addr), 1, bzz.runBzz) +func newBzzHandshakeTester(t *testing.T, n int, addr *BzzAddr, lightNode bool) *bzzTester { + bzz := newBzz(addr, lightNode) + pt := p2ptest.NewProtocolTester(t, NewNodeIDFromAddr(addr), n, bzz.runBzz) return &bzzTester{ addr: addr, - ProtocolTester: s, + ProtocolTester: pt, + bzz: bzz, } } @@ -184,22 +196,24 @@ func (s *bzzTester) testHandshake(lhs, rhs *HandshakeMsg, disconnects ...*p2ptes return nil } -func correctBzzHandshake(addr *BzzAddr) *HandshakeMsg { +func correctBzzHandshake(addr *BzzAddr, lightNode bool) *HandshakeMsg { return &HandshakeMsg{ - Version: 5, - NetworkID: DefaultNetworkID, + Version: TestProtocolVersion, + NetworkID: TestProtocolNetworkID, Addr: addr, + LightNode: lightNode, } } func TestBzzHandshakeNetworkIDMismatch(t *testing.T) { + lightNode := false addr := RandomAddr() - s := newBzzHandshakeTester(t, 1, addr) + s := newBzzHandshakeTester(t, 1, addr, lightNode) id := s.IDs[0] err := s.testHandshake( - correctBzzHandshake(addr), - &HandshakeMsg{Version: 5, NetworkID: 321, Addr: NewAddrFromNodeID(id)}, + correctBzzHandshake(addr, lightNode), + &HandshakeMsg{Version: TestProtocolVersion, NetworkID: 321, Addr: NewAddrFromNodeID(id)}, &p2ptest.Disconnect{Peer: id, Error: fmt.Errorf("Handshake error: Message handler error: (msg code 0): network id mismatch 321 (!= 3)")}, ) @@ -209,14 +223,15 @@ func TestBzzHandshakeNetworkIDMismatch(t *testing.T) { } func TestBzzHandshakeVersionMismatch(t *testing.T) { + lightNode := false addr := RandomAddr() - s := newBzzHandshakeTester(t, 1, addr) + s := newBzzHandshakeTester(t, 1, addr, lightNode) id := s.IDs[0] err := s.testHandshake( - correctBzzHandshake(addr), - &HandshakeMsg{Version: 0, NetworkID: 3, Addr: NewAddrFromNodeID(id)}, - &p2ptest.Disconnect{Peer: id, Error: fmt.Errorf("Handshake error: Message handler error: (msg code 0): version mismatch 0 (!= 5)")}, + correctBzzHandshake(addr, lightNode), + &HandshakeMsg{Version: 0, NetworkID: TestProtocolNetworkID, Addr: NewAddrFromNodeID(id)}, + &p2ptest.Disconnect{Peer: id, Error: fmt.Errorf("Handshake error: Message handler error: (msg code 0): version mismatch 0 (!= %d)", TestProtocolVersion)}, ) if err != nil { @@ -225,16 +240,49 @@ func TestBzzHandshakeVersionMismatch(t *testing.T) { } func TestBzzHandshakeSuccess(t *testing.T) { + lightNode := false addr := RandomAddr() - s := newBzzHandshakeTester(t, 1, addr) + s := newBzzHandshakeTester(t, 1, addr, lightNode) id := s.IDs[0] err := s.testHandshake( - correctBzzHandshake(addr), - &HandshakeMsg{Version: 5, NetworkID: 3, Addr: NewAddrFromNodeID(id)}, + correctBzzHandshake(addr, lightNode), + &HandshakeMsg{Version: TestProtocolVersion, NetworkID: TestProtocolNetworkID, Addr: NewAddrFromNodeID(id)}, ) if err != nil { t.Fatal(err) } } + +func TestBzzHandshakeLightNode(t *testing.T) { + var lightNodeTests = []struct { + name string + lightNode bool + }{ + {"on", true}, + {"off", false}, + } + + for _, test := range lightNodeTests { + t.Run(test.name, func(t *testing.T) { + randomAddr := RandomAddr() + pt := newBzzHandshakeTester(t, 1, randomAddr, false) + id := pt.IDs[0] + addr := NewAddrFromNodeID(id) + + err := pt.testHandshake( + correctBzzHandshake(randomAddr, false), + &HandshakeMsg{Version: TestProtocolVersion, NetworkID: TestProtocolNetworkID, Addr: addr, LightNode: test.lightNode}, + ) + + if err != nil { + t.Fatal(err) + } + + if pt.bzz.handshakes[id].LightNode != test.lightNode { + t.Fatalf("peer LightNode flag is %v, should be %v", pt.bzz.handshakes[id].LightNode, test.lightNode) + } + }) + } +} diff --git a/swarm/sctx/sctx.go b/swarm/sctx/sctx.go new file mode 100644 index 0000000000..8619f6e19c --- /dev/null +++ b/swarm/sctx/sctx.go @@ -0,0 +1,7 @@ +package sctx + +type ContextKey int + +const ( + HTTPRequestIDKey ContextKey = iota +) diff --git a/swarm/storage/mru/handler.go b/swarm/storage/mru/handler.go index 188b986b85..32f43d5029 100644 --- a/swarm/storage/mru/handler.go +++ b/swarm/storage/mru/handler.go @@ -469,7 +469,7 @@ func (h *Handler) update(ctx context.Context, r *SignedResourceUpdate) (updateAd log.Trace("resource update", "updateAddr", r.updateAddr, "lastperiod", r.period, "version", r.version, "data", chunk.SData, "multihash", r.multihash) // update our resources map entry if the new update is older than the one we have, if we have it. - if rsrc != nil && r.period > rsrc.period || (rsrc.period == r.period && r.version > rsrc.version) { + if rsrc != nil && (r.period > rsrc.period || (rsrc.period == r.period && r.version > rsrc.version)) { rsrc.period = r.period rsrc.version = r.version rsrc.data = make([]byte, len(r.data)) diff --git a/swarm/swarm.go b/swarm/swarm.go index db7d2dfedc..c380a376f6 100644 --- a/swarm/swarm.go +++ b/swarm/swarm.go @@ -143,6 +143,7 @@ func NewSwarm(config *api.Config, mockStore *mock.NodeStore) (self *Swarm, err e OverlayAddr: addr.OAddr, UnderlayAddr: addr.UAddr, HiveParams: config.HiveParams, + LightNode: config.LightNodeEnabled, } stateStore, err := state.NewDBStore(filepath.Join(config.Path, "state-store.db")) diff --git a/trie/database.go b/trie/database.go index 8675b9f0a0..7df45fe2df 100644 --- a/trie/database.go +++ b/trie/database.go @@ -51,7 +51,7 @@ const secureKeyLength = 11 + 32 // DatabaseReader wraps the Get and Has method of a backing store for the trie. type DatabaseReader interface { - // Get retrieves the value associated with key form the database. + // Get retrieves the value associated with key from the database. Get(key []byte) (value []byte, err error) // Has retrieves whether a key is present in the database. diff --git a/trie/node.go b/trie/node.go index a06f1b3898..1fafb7a538 100644 --- a/trie/node.go +++ b/trie/node.go @@ -55,7 +55,7 @@ var nilValueNode = valueNode(nil) func (n *fullNode) EncodeRLP(w io.Writer) error { var nodes [17]node - for i, child := range n.Children { + for i, child := range &n.Children { if child != nil { nodes[i] = child } else { @@ -98,7 +98,7 @@ func (n valueNode) String() string { return n.fstring("") } func (n *fullNode) fstring(ind string) string { resp := fmt.Sprintf("[\n%s ", ind) - for i, node := range n.Children { + for i, node := range &n.Children { if node == nil { resp += fmt.Sprintf("%s: ", indices[i]) } else { diff --git a/trie/trie.go b/trie/trie.go index 4284e30ad4..e920ccd23f 100644 --- a/trie/trie.go +++ b/trie/trie.go @@ -356,7 +356,7 @@ func (t *Trie) delete(n node, prefix, key []byte) (bool, node, error) { // value that is left in n or -2 if n contains at least two // values. pos := -1 - for i, cld := range n.Children { + for i, cld := range &n.Children { if cld != nil { if pos == -1 { pos = i diff --git a/whisper/whisperv6/doc.go b/whisper/whisperv6/doc.go index 066a9766d4..529bf3d2de 100644 --- a/whisper/whisperv6/doc.go +++ b/whisper/whisperv6/doc.go @@ -33,7 +33,6 @@ particularly the notion of singular endpoints. package whisperv6 import ( - "fmt" "time" ) @@ -79,12 +78,6 @@ const ( DefaultSyncAllowance = 10 // seconds ) -type unknownVersionError uint64 - -func (e unknownVersionError) Error() string { - return fmt.Sprintf("invalid envelope version %d", uint64(e)) -} - // MailServer represents a mail server, capable of // archiving the old messages for subsequent delivery // to the peers. Any implementation must ensure that both