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Merge pull request #15313 from karalabe/puppeth-nongithub-faucet 

cmd/faucet: support twitter, google+ and facebook auth too
This commit is contained in:
Péter Szilágyi 2017-10-17 23:20:20 +03:00 committed by GitHub
parent e5c19b6f98 5d2c947060
commit 2ab7fe8982
3 changed files with 424 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

414
cmd/faucet/faucet.go
View File

@ -21,8 +21,10 @@ package main
import (
"bytes"
"compress/zlib"
"context"
"encoding/json"
"errors"
"flag"
"fmt"
"html/template"
@ -33,6 +35,7 @@ import (
"net/url"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"sync"
@ -181,10 +184,10 @@ func main() {
// request represents an accepted funding request.
type request struct {
Username string `json:"username"` // GitHub user for displaying an avatar
Account common.Address `json:"account"` // Ethereum address being funded
Time time.Time `json:"time"` // Timestamp when te request was accepted
Tx *types.Transaction `json:"tx"` // Transaction funding the account
Avatar string `json:"avatar"` // Avatar URL to make the UI nicer
Account common.Address `json:"account"` // Ethereum address being funded
Time time.Time `json:"time"` // Timestamp when the request was accepted
Tx *types.Transaction `json:"tx"` // Transaction funding the account
}
// faucet represents a crypto faucet backed by an Ethereum light client.
@ -299,6 +302,8 @@ func (f *faucet) webHandler(w http.ResponseWriter, r *http.Request) {
// apiHandler handles requests for Ether grants and transaction statuses.
func (f *faucet) apiHandler(conn *websocket.Conn) {
// Start tracking the connection and drop at the end
defer conn.Close()
f.lock.Lock()
f.conns = append(f.conns, conn)
f.lock.Unlock()
@ -313,25 +318,50 @@ func (f *faucet) apiHandler(conn *websocket.Conn) {
}
f.lock.Unlock()
}()
// Send a few initial stats to the client
balance, _ := f.client.BalanceAt(context.Background(), f.account.Address, nil)
nonce, _ := f.client.NonceAt(context.Background(), f.account.Address, nil)
// Gather the initial stats from the network to report
var (
head *types.Header
balance *big.Int
nonce uint64
err error
)
for {
// Attempt to retrieve the stats, may error on no faucet connectivity
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
head, err = f.client.HeaderByNumber(ctx, nil)
if err == nil {
balance, err = f.client.BalanceAt(ctx, f.account.Address, head.Number)
if err == nil {
nonce, err = f.client.NonceAt(ctx, f.account.Address, nil)
}
}
cancel()
websocket.JSON.Send(conn, map[string]interface{}{
// If stats retrieval failed, wait a bit and retry
if err != nil {
if err = sendError(conn, errors.New("Faucet offline: "+err.Error())); err != nil {
log.Warn("Failed to send faucet error to client", "err", err)
return
}
time.Sleep(3 * time.Second)
continue
}
// Initial stats reported successfully, proceed with user interaction
break
}
// Send over the initial stats and the latest header
if err = send(conn, map[string]interface{}{
"funds": balance.Div(balance, ether),
"funded": nonce,
"peers": f.stack.Server().PeerCount(),
"requests": f.reqs,
})
// Send the initial block to the client
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
header, err := f.client.HeaderByNumber(ctx, nil)
cancel()
if err != nil {
log.Error("Failed to retrieve latest header", "err", err)
} else {
websocket.JSON.Send(conn, header)
}, 3*time.Second); err != nil {
log.Warn("Failed to send initial stats to client", "err", err)
return
}
if err = send(conn, head, 3*time.Second); err != nil {
log.Warn("Failed to send initial header to client", "err", err)
return
}
// Keep reading requests from the websocket until the connection breaks
for {
@ -341,18 +371,25 @@ func (f *faucet) apiHandler(conn *websocket.Conn) {
Tier uint `json:"tier"`
Captcha string `json:"captcha"`
}
if err := websocket.JSON.Receive(conn, &msg); err != nil {
if err = websocket.JSON.Receive(conn, &msg); err != nil {
return
}
if !strings.HasPrefix(msg.URL, "https://gist.github.com/") {
websocket.JSON.Send(conn, map[string]string{"error": "URL doesn't link to GitHub Gists"})
if !strings.HasPrefix(msg.URL, "https://gist.github.com/") && !strings.HasPrefix(msg.URL, "https://twitter.com/") &&
!strings.HasPrefix(msg.URL, "https://plus.google.com/") && !strings.HasPrefix(msg.URL, "https://www.facebook.com/") {
if err = sendError(conn, errors.New("URL doesn't link to supported services")); err != nil {
log.Warn("Failed to send URL error to client", "err", err)
return
}
continue
}
if msg.Tier >= uint(*tiersFlag) {
websocket.JSON.Send(conn, map[string]string{"error": "Invalid funding tier requested"})
if err = sendError(conn, errors.New("Invalid funding tier requested")); err != nil {
log.Warn("Failed to send tier error to client", "err", err)
return
}
continue
}
log.Info("Faucet funds requested", "gist", msg.URL, "tier", msg.Tier)
log.Info("Faucet funds requested", "url", msg.URL, "tier", msg.Tier)
// If captcha verifications are enabled, make sure we're not dealing with a robot
if *captchaToken != "" {
@ -362,7 +399,10 @@ func (f *faucet) apiHandler(conn *websocket.Conn) {
res, err := http.PostForm("https://www.google.com/recaptcha/api/siteverify", form)
if err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
if err = sendError(conn, err); err != nil {
log.Warn("Failed to send captcha post error to client", "err", err)
return
}
continue
}
var result struct {
@ -372,74 +412,55 @@ func (f *faucet) apiHandler(conn *websocket.Conn) {
err = json.NewDecoder(res.Body).Decode(&result)
res.Body.Close()
if err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
if err = sendError(conn, err); err != nil {
log.Warn("Failed to send captcha decode error to client", "err", err)
return
}
continue
}
if !result.Success {
log.Warn("Captcha verification failed", "err", string(result.Errors))
websocket.JSON.Send(conn, map[string]string{"error": "Beep-bop, you're a robot!"})
if err = sendError(conn, errors.New("Beep-bop, you're a robot!")); err != nil {
log.Warn("Failed to send captcha failure to client", "err", err)
return
}
continue
}
}
// Retrieve the gist from the GitHub Gist APIs
parts := strings.Split(msg.URL, "/")
req, _ := http.NewRequest("GET", "https://api.github.com/gists/"+parts[len(parts)-1], nil)
if *githubUser != "" {
req.SetBasicAuth(*githubUser, *githubToken)
// Retrieve the Ethereum address to fund, the requesting user and a profile picture
var (
username string
avatar string
address common.Address
)
switch {
case strings.HasPrefix(msg.URL, "https://gist.github.com/"):
username, avatar, address, err = authGitHub(msg.URL)
case strings.HasPrefix(msg.URL, "https://twitter.com/"):
username, avatar, address, err = authTwitter(msg.URL)
case strings.HasPrefix(msg.URL, "https://plus.google.com/"):
username, avatar, address, err = authGooglePlus(msg.URL)
case strings.HasPrefix(msg.URL, "https://www.facebook.com/"):
username, avatar, address, err = authFacebook(msg.URL)
default:
err = errors.New("Something funky happened, please open an issue at https://github.com/ethereum/go-ethereum/issues")
}
res, err := http.DefaultClient.Do(req)
if err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
continue
}
var gist struct {
Owner struct {
Login string `json:"login"`
} `json:"owner"`
Files map[string]struct {
Content string `json:"content"`
} `json:"files"`
}
err = json.NewDecoder(res.Body).Decode(&gist)
res.Body.Close()
if err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
continue
}
if gist.Owner.Login == "" {
websocket.JSON.Send(conn, map[string]string{"error": "Anonymous Gists not allowed"})
continue
}
// Iterate over all the files and look for Ethereum addresses
var address common.Address
for _, file := range gist.Files {
content := strings.TrimSpace(file.Content)
if len(content) == 2+common.AddressLength*2 {
address = common.HexToAddress(content)
if err = sendError(conn, err); err != nil {
log.Warn("Failed to send prefix error to client", "err", err)
return
}
}
if address == (common.Address{}) {
websocket.JSON.Send(conn, map[string]string{"error": "No Ethereum address found to fund"})
continue
}
// Validate the user's existence since the API is unhelpful here
if res, err = http.Head("https://github.com/" + gist.Owner.Login); err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
continue
}
res.Body.Close()
log.Info("Faucet request valid", "url", msg.URL, "tier", msg.Tier, "user", username, "address", address)
if res.StatusCode != 200 {
websocket.JSON.Send(conn, map[string]string{"error": "Invalid user... boom!"})
continue
}
// Ensure the user didn't request funds too recently
f.lock.Lock()
var (
fund bool
timeout time.Time
)
if timeout = f.timeouts[gist.Owner.Login]; time.Now().After(timeout) {
if timeout = f.timeouts[username]; time.Now().After(timeout) {
// User wasn't funded recently, create the funding transaction
amount := new(big.Int).Mul(big.NewInt(int64(*payoutFlag)), ether)
amount = new(big.Int).Mul(amount, new(big.Int).Exp(big.NewInt(5), big.NewInt(int64(msg.Tier)), nil))
@ -448,33 +469,45 @@ func (f *faucet) apiHandler(conn *websocket.Conn) {
tx := types.NewTransaction(f.nonce+uint64(len(f.reqs)), address, amount, big.NewInt(21000), f.price, nil)
signed, err := f.keystore.SignTx(f.account, tx, f.config.ChainId)
if err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
f.lock.Unlock()
if err = sendError(conn, err); err != nil {
log.Warn("Failed to send transaction creation error to client", "err", err)
return
}
continue
}
// Submit the transaction and mark as funded if successful
if err := f.client.SendTransaction(context.Background(), signed); err != nil {
websocket.JSON.Send(conn, map[string]string{"error": err.Error()})
f.lock.Unlock()
if err = sendError(conn, err); err != nil {
log.Warn("Failed to send transaction transmission error to client", "err", err)
return
}
continue
}
f.reqs = append(f.reqs, &request{
Username: gist.Owner.Login,
Account: address,
Time: time.Now(),
Tx: signed,
Avatar: avatar,
Account: address,
Time: time.Now(),
Tx: signed,
})
f.timeouts[gist.Owner.Login] = time.Now().Add(time.Duration(*minutesFlag*int(math.Pow(3, float64(msg.Tier)))) * time.Minute)
f.timeouts[username] = time.Now().Add(time.Duration(*minutesFlag*int(math.Pow(3, float64(msg.Tier)))) * time.Minute)
fund = true
}
f.lock.Unlock()
// Send an error if too frequent funding, othewise a success
if !fund {
websocket.JSON.Send(conn, map[string]string{"error": fmt.Sprintf("%s left until next allowance", common.PrettyDuration(timeout.Sub(time.Now())))})
if err = sendError(conn, fmt.Errorf("%s left until next allowance", common.PrettyDuration(timeout.Sub(time.Now())))); err != nil {
log.Warn("Failed to send funding error to client", "err", err)
return
}
continue
}
websocket.JSON.Send(conn, map[string]string{"success": fmt.Sprintf("Funding request accepted for %s into %s", gist.Owner.Login, address.Hex())})
if err = sendSuccess(conn, fmt.Sprintf("Funding request accepted for %s into %s", username, address.Hex())); err != nil {
log.Warn("Failed to send funding success to client", "err", err)
return
}
select {
case f.update <- struct{}{}:
default:
@ -497,11 +530,31 @@ func (f *faucet) loop() {
select {
case head := <-heads:
// New chain head arrived, query the current stats and stream to clients
balance, _ := f.client.BalanceAt(context.Background(), f.account.Address, nil)
balance = new(big.Int).Div(balance, ether)
var (
balance *big.Int
nonce uint64
price *big.Int
err error
)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
balance, err = f.client.BalanceAt(ctx, f.account.Address, head.Number)
if err == nil {
nonce, err = f.client.NonceAt(ctx, f.account.Address, nil)
if err == nil {
price, err = f.client.SuggestGasPrice(ctx)
}
}
cancel()
price, _ := f.client.SuggestGasPrice(context.Background())
nonce, _ := f.client.NonceAt(context.Background(), f.account.Address, nil)
// If querying the data failed, try for the next block
if err != nil {
log.Warn("Failed to update faucet state", "block", head.Number, "hash", head.Hash(), "err", err)
continue
} else {
log.Info("Updated faucet state", "block", head.Number, "hash", head.Hash(), "balance", balance, "nonce", nonce, "price", price)
}
// Faucet state retrieved, update locally and send to clients
balance = new(big.Int).Div(balance, ether)
f.lock.Lock()
f.price, f.nonce = price, nonce
@ -512,17 +565,17 @@ func (f *faucet) loop() {
f.lock.RLock()
for _, conn := range f.conns {
if err := websocket.JSON.Send(conn, map[string]interface{}{
if err := send(conn, map[string]interface{}{
"funds": balance,
"funded": f.nonce,
"peers": f.stack.Server().PeerCount(),
"requests": f.reqs,
}); err != nil {
}, time.Second); err != nil {
log.Warn("Failed to send stats to client", "err", err)
conn.Close()
continue
}
if err := websocket.JSON.Send(conn, head); err != nil {
if err := send(conn, head, time.Second); err != nil {
log.Warn("Failed to send header to client", "err", err)
conn.Close()
}
@ -533,7 +586,7 @@ func (f *faucet) loop() {
// Pending requests updated, stream to clients
f.lock.RLock()
for _, conn := range f.conns {
if err := websocket.JSON.Send(conn, map[string]interface{}{"requests": f.reqs}); err != nil {
if err := send(conn, map[string]interface{}{"requests": f.reqs}, time.Second); err != nil {
log.Warn("Failed to send requests to client", "err", err)
conn.Close()
}
@ -542,3 +595,184 @@ func (f *faucet) loop() {
}
}
}
// sends transmits a data packet to the remote end of the websocket, but also
// setting a write deadline to prevent waiting forever on the node.
func send(conn *websocket.Conn, value interface{}, timeout time.Duration) error {
if timeout == 0 {
timeout = 60 * time.Second
}
conn.SetWriteDeadline(time.Now().Add(timeout))
return websocket.JSON.Send(conn, value)
}
// sendError transmits an error to the remote end of the websocket, also setting
// the write deadline to 1 second to prevent waiting forever.
func sendError(conn *websocket.Conn, err error) error {
return send(conn, map[string]string{"error": err.Error()}, time.Second)
}
// sendSuccess transmits a success message to the remote end of the websocket, also
// setting the write deadline to 1 second to prevent waiting forever.
func sendSuccess(conn *websocket.Conn, msg string) error {
return send(conn, map[string]string{"success": msg}, time.Second)
}
// authGitHub tries to authenticate a faucet request using GitHub gists, returning
// the username, avatar URL and Ethereum address to fund on success.
func authGitHub(url string) (string, string, common.Address, error) {
// Retrieve the gist from the GitHub Gist APIs
parts := strings.Split(url, "/")
req, _ := http.NewRequest("GET", "https://api.github.com/gists/"+parts[len(parts)-1], nil)
if *githubUser != "" {
req.SetBasicAuth(*githubUser, *githubToken)
}
res, err := http.DefaultClient.Do(req)
if err != nil {
return "", "", common.Address{}, err
}
var gist struct {
Owner struct {
Login string `json:"login"`
} `json:"owner"`
Files map[string]struct {
Content string `json:"content"`
} `json:"files"`
}
err = json.NewDecoder(res.Body).Decode(&gist)
res.Body.Close()
if err != nil {
return "", "", common.Address{}, err
}
if gist.Owner.Login == "" {
return "", "", common.Address{}, errors.New("Anonymous Gists not allowed")
}
// Iterate over all the files and look for Ethereum addresses
var address common.Address
for _, file := range gist.Files {
content := strings.TrimSpace(file.Content)
if len(content) == 2+common.AddressLength*2 {
address = common.HexToAddress(content)
}
}
if address == (common.Address{}) {
return "", "", common.Address{}, errors.New("No Ethereum address found to fund")
}
// Validate the user's existence since the API is unhelpful here
if res, err = http.Head("https://github.com/" + gist.Owner.Login); err != nil {
return "", "", common.Address{}, err
}
res.Body.Close()
if res.StatusCode != 200 {
return "", "", common.Address{}, errors.New("Invalid user... boom!")
}
// Everything passed validation, return the gathered infos
return gist.Owner.Login + "@github", fmt.Sprintf("https://github.com/%s.png?size=64", gist.Owner.Login), address, nil
}
// authTwitter tries to authenticate a faucet request using Twitter posts, returning
// the username, avatar URL and Ethereum address to fund on success.
func authTwitter(url string) (string, string, common.Address, error) {
// Ensure the user specified a meaningful URL, no fancy nonsense
parts := strings.Split(url, "/")
if len(parts) < 4 || parts[len(parts)-2] != "status" {
return "", "", common.Address{}, errors.New("Invalid Twitter status URL")
}
username := parts[len(parts)-3]
// Twitter's API isn't really friendly with direct links. Still, we don't
// want to do ask read permissions from users, so just load the public posts and
// scrape it for the Ethereum address and profile URL.
res, err := http.Get(url)
if err != nil {
return "", "", common.Address{}, err
}
defer res.Body.Close()
reader, err := zlib.NewReader(res.Body)
if err != nil {
return "", "", common.Address{}, err
}
body, err := ioutil.ReadAll(reader)
if err != nil {
return "", "", common.Address{}, err
}
address := common.HexToAddress(string(regexp.MustCompile("0x[0-9a-fA-F]{40}").Find(body)))
if address == (common.Address{}) {
return "", "", common.Address{}, errors.New("No Ethereum address found to fund")
}
var avatar string
if parts = regexp.MustCompile("src=\"([^\"]+twimg.com/profile_images[^\"]+)\"").FindStringSubmatch(string(body)); len(parts) == 2 {
avatar = parts[1]
}
return username + "@twitter", avatar, address, nil
}
// authGooglePlus tries to authenticate a faucet request using GooglePlus posts,
// returning the username, avatar URL and Ethereum address to fund on success.
func authGooglePlus(url string) (string, string, common.Address, error) {
// Ensure the user specified a meaningful URL, no fancy nonsense
parts := strings.Split(url, "/")
if len(parts) < 4 || parts[len(parts)-2] != "posts" {
return "", "", common.Address{}, errors.New("Invalid Google+ post URL")
}
username := parts[len(parts)-3]
// Google's API isn't really friendly with direct links. Still, we don't
// want to do ask read permissions from users, so just load the public posts and
// scrape it for the Ethereum address and profile URL.
res, err := http.Get(url)
if err != nil {
return "", "", common.Address{}, err
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", "", common.Address{}, err
}
address := common.HexToAddress(string(regexp.MustCompile("0x[0-9a-fA-F]{40}").Find(body)))
if address == (common.Address{}) {
return "", "", common.Address{}, errors.New("No Ethereum address found to fund")
}
var avatar string
if parts = regexp.MustCompile("src=\"([^\"]+googleusercontent.com[^\"]+photo.jpg)\"").FindStringSubmatch(string(body)); len(parts) == 2 {
avatar = parts[1]
}
return username + "@google+", avatar, address, nil
}
// authFacebook tries to authenticate a faucet request using Facebook posts,
// returning the username, avatar URL and Ethereum address to fund on success.
func authFacebook(url string) (string, string, common.Address, error) {
// Ensure the user specified a meaningful URL, no fancy nonsense
parts := strings.Split(url, "/")
if len(parts) < 4 || parts[len(parts)-2] != "posts" {
return "", "", common.Address{}, errors.New("Invalid Facebook post URL")
}
username := parts[len(parts)-3]
// Facebook's Graph API isn't really friendly with direct links. Still, we don't
// want to do ask read permissions from users, so just load the public posts and
// scrape it for the Ethereum address and profile URL.
res, err := http.Get(url)
if err != nil {
return "", "", common.Address{}, err
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", "", common.Address{}, err
}
address := common.HexToAddress(string(regexp.MustCompile("0x[0-9a-fA-F]{40}").Find(body)))
if address == (common.Address{}) {
return "", "", common.Address{}, errors.New("No Ethereum address found to fund")
}
var avatar string
if parts = regexp.MustCompile("src=\"([^\"]+fbcdn.net[^\"]+)\"").FindStringSubmatch(string(body)); len(parts) == 2 {
avatar = parts[1]
}
return username + "@facebook", avatar, address, nil
}

109
cmd/faucet/faucet.html
View File

@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{.Network}}: GitHub Faucet</title>
<title>{{.Network}}: Authenticated Faucet</title>
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
@ -43,13 +43,13 @@
<div class="container">
<div class="row" style="margin-bottom: 16px;">
<div class="col-lg-12">
<h1 style="text-align: center;"><i class="fa fa-bath" aria-hidden="true"></i> {{.Network}} GitHub Authenticated Faucet <i class="fa fa-github-alt" aria-hidden="true"></i></h1>
<h1 style="text-align: center;"><i class="fa fa-bath" aria-hidden="true"></i> {{.Network}} Authenticated Faucet</h1>
</div>
</div>
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="input-group">
<input id="gist" type="text" class="form-control" placeholder="GitHub Gist URL containing your Ethereum address...">
<input id="url" name="url" type="text" class="form-control" placeholder="Social network URL containing your Ethereum address...">
<span class="input-group-btn">
<button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Give me Ether <i class="fa fa-caret-down" aria-hidden="true"></i></button>
<ul class="dropdown-menu dropdown-menu-right">{{range $idx, $amount := .Amounts}}
@ -80,8 +80,21 @@
<div class="row" style="margin-top: 32px;">
<div class="col-lg-12">
<h3>How does this work?</h3>
<p>This Ether faucet is running on the {{.Network}} network. To prevent malicious actors from exhausting all available funds or accumulating enough Ether to mount long running spam attacks, requests are tied to GitHub accounts. Anyone having a GitHub account may request funds within the permitted limits.</p>
<p>To request funds, simply create a <a href="https://gist.github.com/" target="_about:blank">GitHub Gist</a> with your Ethereum address pasted into the contents (the file name doesn't matter), copy paste the gists URL into the above input box and fire away! You can track the current pending requests below the input field to see how much you have to wait until your turn comes.</p>
<p>This Ether faucet is running on the {{.Network}} network. To prevent malicious actors from exhausting all available funds or accumulating enough Ether to mount long running spam attacks, requests are tied to certain common 3rd party accounts. Anyone having a GitHub, Twitter, Google+ or Facebook account may request funds within the permitted limits.</p>
<dl class="dl-horizontal">
<dt style="width: auto; margin-left: 40px;"><i class="fa fa-github-alt" aria-hidden="true" style="font-size: 36px;"></i></dt>
<dd style="margin-left: 88px; margin-bottom: 10px;"></i> To request funds via GitHub, create a <a href="https://gist.github.com/" target="_about:blank">gist</a> with your Ethereum address embedded into the content (the file name doesn't matter).<br/>Copy-paste the gists URL into the above input box and fire away!</dd>
<dt style="width: auto; margin-left: 40px;"><i class="fa fa-twitter" aria-hidden="true" style="font-size: 36px;"></i></dt>
<dd style="margin-left: 88px; margin-bottom: 10px;"></i> To request funds via Twitter, make a <a href="https://twitter.com/intent/tweet?text=Requesting%20faucet%20funds%20into%200x0000000000000000000000000000000000000000%20on%20the%20%23{{.Network}}%20%23Ethereum%20test%20network." target="_about:blank">tweet</a> with your Ethereum address pasted into the contents (surrounding text doesn't matter).<br/>Copy-paste the <a href="https://support.twitter.com/articles/80586" target="_about:blank">tweets URL</a> into the above input box and fire away!</dd>
<dt style="width: auto; margin-left: 40px;"><i class="fa fa-google-plus-official" aria-hidden="true" style="font-size: 36px;"></i></dt>
<dd style="margin-left: 88px; margin-bottom: 10px;"></i> To request funds via Google Plus, publish a new <strong>public</strong> post with your Ethereum address embedded into the content (surrounding text doesn't matter).<br/>Copy-paste the posts URL into the above input box and fire away!</dd>
<dt style="width: auto; margin-left: 40px;"><i class="fa fa-facebook" aria-hidden="true" style="font-size: 36px;"></i></dt>
<dd style="margin-left: 88px; margin-bottom: 10px;"></i> To request funds via Facebook, publish a new <strong>public</strong> post with your Ethereum address embedded into the content (surrounding text doesn't matter).<br/>Copy-paste the <a href="https://www.facebook.com/help/community/question/?id=282662498552845" target="_about:blank">posts URL</a> into the above input box and fire away!</dd>
</dl>
<p>You can track the current pending requests below the input field to see how much you have to wait until your turn comes.</p>
{{if .Recaptcha}}<em>The faucet is running invisible reCaptcha protection against bots.</em>{{end}}
</div>
</div>
@ -93,10 +106,22 @@
var attempt = 0;
var server;
var tier = 0;
var requests = [];
// Define a function that creates closures to drop old requests
var dropper = function(hash) {
return function() {
for (var i=0; i<requests.length; i++) {
if (requests[i].tx.hash == hash) {
requests.splice(i, 1);
break;
}
}
}
};
// Define the function that submits a gist url to the server
var submit = function({{if .Recaptcha}}captcha{{end}}) {
server.send(JSON.stringify({url: $("#gist")[0].value, tier: tier{{if .Recaptcha}}, captcha: captcha{{end}}}));{{if .Recaptcha}}
server.send(JSON.stringify({url: $("#url")[0].value, tier: tier{{if .Recaptcha}}, captcha: captcha{{end}}}));{{if .Recaptcha}}
grecaptcha.reset();{{end}}
};
// Define a method to reconnect upon server loss
@ -127,21 +152,85 @@
$("#block").text(parseInt(msg.number, 16));
}
if (msg.error !== undefined) {
noty({layout: 'topCenter', text: msg.error, type: 'error'});
noty({layout: 'topCenter', text: msg.error, type: 'error', timeout: 5000, progressBar: true});
}
if (msg.success !== undefined) {
noty({layout: 'topCenter', text: msg.success, type: 'success'});
noty({layout: 'topCenter', text: msg.success, type: 'success', timeout: 5000, progressBar: true});
}
if (msg.requests !== undefined && msg.requests !== null) {
// Mark all previous requests missing as done
for (var i=0; i<requests.length; i++) {
if (msg.requests.length > 0 && msg.requests[0].tx.hash == requests[i].tx.hash) {
break;
}
if (requests[i].time != "") {
requests[i].time = "";
setTimeout(dropper(requests[i].tx.hash), 3000);
}
}
// Append any new requests into our local collection
var common = -1;
if (requests.length > 0) {
for (var i=0; i<msg.requests.length; i++) {
if (requests[requests.length-1].tx.hash == msg.requests[i].tx.hash) {
common = i;
break;
}
}
}
for (var i=common+1; i<msg.requests.length; i++) {
requests.push(msg.requests[i]);
}
// Iterate over our entire local collection and re-render the funding table
var content = "";
for (var i=0; i<msg.requests.length; i++) {
content += "<tr><td><div style=\"background: url('https://github.com/" + msg.requests[i].username + ".png?size=64'); background-size: cover; width:32px; height: 32px; border-radius: 4px;\"></div></td><td><pre>" + msg.requests[i].account + "</pre></td><td style=\"width: 100%; text-align: center; vertical-align: middle;\">" + moment.duration(moment(msg.requests[i].time).unix()-moment().unix(), 'seconds').humanize(true) + "</td></tr>";
for (var i=0; i<requests.length; i++) {
var done = requests[i].time == "";
var elapsed = moment().unix()-moment(requests[i].time).unix();
content += "<tr id='" + requests[i].tx.hash + "'>";
content += " <td><div style=\"background: url('" + requests[i].avatar + "'); background-size: cover; width:32px; height: 32px; border-radius: 4px;\"></div></td>";
content += " <td><pre>" + requests[i].account + "</pre></td>";
content += " <td style=\"width: 100%; text-align: center; vertical-align: middle;\">";
if (done) {
content += " funded";
} else {
content += " <span id='time-" + i + "' class='timer'>" + moment.duration(-elapsed, 'seconds').humanize(true) + "</span>";
}
content += " <div class='progress' style='height: 4px; margin: 0;'>";
if (done) {
content += " <div class='progress-bar progress-bar-success' role='progressbar' aria-valuenow='30' style='width:100%;'></div>";
} else if (elapsed > 30) {
content += " <div class='progress-bar progress-bar-danger progress-bar-striped active' role='progressbar' aria-valuenow='30' style='width:100%;'></div>";
} else {
content += " <div class='progress-bar progress-bar-striped active' role='progressbar' aria-valuenow='" + elapsed + "' style='width:" + (elapsed * 100 / 30) + "%;'></div>";
}
content += " </div>";
content += " </td>";
content += "</tr>";
}
$("#requests").html("<tbody>" + content + "</tbody>");
}
}
server.onclose = function() { setTimeout(reconnect, 3000); };
}
// Start a UI updater to push the progress bars forward until they are done
setInterval(function() {
$('.progress-bar').each(function() {
var progress = Number($(this).attr('aria-valuenow')) + 1;
if (progress < 30) {
$(this).attr('aria-valuenow', progress);
$(this).css('width', (progress * 100 / 30) + '%');
} else if (progress == 30) {
$(this).css('width', '100%');
$(this).addClass("progress-bar-danger");
}
})
$('.timer').each(function() {
var index = Number($(this).attr('id').substring(5));
$(this).html(moment.duration(moment(requests[index].time).unix()-moment().unix(), 'seconds').humanize(true));
})
}, 1000);
// Establish a websocket connection to the API server
reconnect();
</script>{{if .Recaptcha}}

2
cmd/faucet/website.go
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