196 lines
6.8 KiB
Go
196 lines
6.8 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/log"
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)
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// deployFaucet queries the user for various input on deploying a faucet, after
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// which it executes it.
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func (w *wizard) deployFaucet() {
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// Select the server to interact with
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server := w.selectServer()
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if server == "" {
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return
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}
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client := w.servers[server]
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// Retrieve any active faucet configurations from the server
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infos, err := checkFaucet(client, w.network)
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if err != nil {
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infos = &faucetInfos{
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node: &nodeInfos{portFull: 30303, peersTotal: 25},
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port: 80,
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host: client.server,
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amount: 1,
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minutes: 1440,
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}
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}
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infos.node.genesis, _ = json.MarshalIndent(w.conf.genesis, "", " ")
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infos.node.network = w.conf.genesis.Config.ChainId.Int64()
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// Figure out which port to listen on
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fmt.Println()
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fmt.Printf("Which port should the faucet listen on? (default = %d)\n", infos.port)
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infos.port = w.readDefaultInt(infos.port)
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// Figure which virtual-host to deploy ethstats on
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if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
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log.Error("Failed to decide on faucet host", "err", err)
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return
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}
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// Port and proxy settings retrieved, figure out the funcing amount per perdion configurations
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fmt.Println()
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fmt.Printf("How many Ethers to release per request? (default = %d)\n", infos.amount)
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infos.amount = w.readDefaultInt(infos.amount)
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fmt.Println()
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fmt.Printf("How many minutes to enforce between requests? (default = %d)\n", infos.minutes)
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infos.minutes = w.readDefaultInt(infos.minutes)
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// Accessing GitHub gists requires API authorization, retrieve it
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if infos.githubUser != "" {
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fmt.Println()
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fmt.Printf("Reuse previous (%s) GitHub API authorization (y/n)? (default = yes)\n", infos.githubUser)
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if w.readDefaultString("y") != "y" {
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infos.githubUser, infos.githubToken = "", ""
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}
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}
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if infos.githubUser == "" {
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// No previous authorization (or new one requested)
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fmt.Println()
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fmt.Println("Which GitHub user to verify Gists through?")
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infos.githubUser = w.readString()
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fmt.Println()
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fmt.Println("What is the GitHub personal access token of the user? (won't be echoed)")
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infos.githubToken = w.readPassword()
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// Do a sanity check query against github to ensure it's valid
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req, _ := http.NewRequest("GET", "https://api.github.com/user", nil)
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req.SetBasicAuth(infos.githubUser, infos.githubToken)
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res, err := http.DefaultClient.Do(req)
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if err != nil {
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log.Error("Failed to verify GitHub authentication", "err", err)
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return
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}
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defer res.Body.Close()
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var msg struct {
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Login string `json:"login"`
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Message string `json:"message"`
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}
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if err = json.NewDecoder(res.Body).Decode(&msg); err != nil {
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log.Error("Failed to decode authorization response", "err", err)
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return
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}
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if msg.Login != infos.githubUser {
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log.Error("GitHub authorization failed", "user", infos.githubUser, "message", msg.Message)
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return
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}
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}
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// Accessing the reCaptcha service requires API authorizations, request it
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if infos.captchaToken != "" {
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fmt.Println()
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fmt.Println("Reuse previous reCaptcha API authorization (y/n)? (default = yes)")
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if w.readDefaultString("y") != "y" {
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infos.captchaToken, infos.captchaSecret = "", ""
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}
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}
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if infos.captchaToken == "" {
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// No previous authorization (or old one discarded)
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fmt.Println()
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fmt.Println("Enable reCaptcha protection against robots (y/n)? (default = no)")
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if w.readDefaultString("n") == "y" {
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// Captcha protection explicitly requested, read the site and secret keys
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fmt.Println()
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fmt.Printf("What is the reCaptcha site key to authenticate human users?\n")
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infos.captchaToken = w.readString()
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fmt.Println()
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fmt.Printf("What is the reCaptcha secret key to verify authentications? (won't be echoed)\n")
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infos.captchaSecret = w.readPassword()
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}
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}
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// Figure out where the user wants to store the persistent data
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fmt.Println()
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if infos.node.datadir == "" {
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fmt.Printf("Where should data be stored on the remote machine?\n")
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infos.node.datadir = w.readString()
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} else {
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fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.node.datadir)
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infos.node.datadir = w.readDefaultString(infos.node.datadir)
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}
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// Figure out which port to listen on
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fmt.Println()
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fmt.Printf("Which TCP/UDP port should the light client listen on? (default = %d)\n", infos.node.portFull)
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infos.node.portFull = w.readDefaultInt(infos.node.portFull)
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// Set a proper name to report on the stats page
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fmt.Println()
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if infos.node.ethstats == "" {
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fmt.Printf("What should the node be called on the stats page?\n")
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infos.node.ethstats = w.readString() + ":" + w.conf.ethstats
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} else {
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fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.node.ethstats)
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infos.node.ethstats = w.readDefaultString(infos.node.ethstats) + ":" + w.conf.ethstats
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}
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// Load up the credential needed to release funds
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if infos.node.keyJSON != "" {
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var key keystore.Key
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if err := json.Unmarshal([]byte(infos.node.keyJSON), &key); err != nil {
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infos.node.keyJSON, infos.node.keyPass = "", ""
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} else {
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fmt.Println()
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fmt.Printf("Reuse previous (%s) funding account (y/n)? (default = yes)\n", key.Address.Hex())
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if w.readDefaultString("y") != "y" {
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infos.node.keyJSON, infos.node.keyPass = "", ""
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}
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}
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}
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if infos.node.keyJSON == "" {
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fmt.Println()
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fmt.Println("Please paste the faucet's funding account key JSON:")
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infos.node.keyJSON = w.readJSON()
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fmt.Println()
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fmt.Println("What's the unlock password for the account? (won't be echoed)")
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infos.node.keyPass = w.readPassword()
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if _, err := keystore.DecryptKey([]byte(infos.node.keyJSON), infos.node.keyPass); err != nil {
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log.Error("Failed to decrypt key with given passphrase")
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return
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}
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}
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// Try to deploy the faucet server on the host
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if out, err := deployFaucet(client, w.network, w.conf.bootLight, infos); err != nil {
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log.Error("Failed to deploy faucet container", "err", err)
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if len(out) > 0 {
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fmt.Printf("%s\n", out)
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}
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return
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}
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// All ok, run a network scan to pick any changes up
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w.networkStats(false)
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}
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